Merge branch 'master' of https://github.com/pauldb89/cdec

19 files changed, 18127 insertions, 3515 deletions

diff --git a/python/pkg/cdec/sa/__init__.py b/python/pkg/cdec/sa/__init__.py
index e0a344b7..14ba5ecb 100644
--- a/python/pkg/cdec/sa/__init__.py
+++ b/python/pkg/cdec/sa/__init__.py
@@ -1,4 +1,5 @@
 from cdec.sa._sa import make_lattice, decode_lattice, decode_sentence,\
+        encode_words, decode_words, isvar,\
         SuffixArray, DataArray, LCP, Precomputation, Alignment, BiLex,\
         HieroCachingRuleFactory, Sampler, Scorer
 from cdec.sa.extractor import GrammarExtractor
diff --git a/python/pkg/cdec/sa/extract.py b/python/pkg/cdec/sa/extract.py
index 87b7d5d4..dc72c18c 100644
--- a/python/pkg/cdec/sa/extract.py
+++ b/python/pkg/cdec/sa/extract.py
@@ -10,11 +10,13 @@ import cdec.sa
 from cdec.sa._sa import monitor_cpu
 
 extractor, prefix = None, None
+online = False
+
 def make_extractor(config, grammars, features):
-    global extractor, prefix
+    global extractor, prefix, online
     signal.signal(signal.SIGINT, signal.SIG_IGN) # Let parent process catch Ctrl+C
     load_features(features)
-    extractor = cdec.sa.GrammarExtractor(config)
+    extractor = cdec.sa.GrammarExtractor(config, online)
     prefix = grammars
 
 def load_features(features):
@@ -26,22 +28,37 @@ def load_features(features):
         sys.path.remove(prefix)
 
 def extract(inp):
-    global extractor, prefix
+    global extractor, prefix, online
     i, sentence = inp
     sentence = sentence[:-1]
     fields = re.split('\s*\|\|\|\s*', sentence)
     suffix = ''
-    if len(fields) > 1:
-        sentence = fields[0]
-        suffix = ' ||| ' + ' ||| '.join(fields[1:])
+    # 3 fields for online mode, 1 for normal
+    if online:
+        if len(fields) < 3:
+            sys.stderr.write('Error: online mode requires references and alignments.'
+                    '  Not adding sentence to training data: {0}\n'.format(sentence))
+            sentence = fields[0]
+        else:
+            sentence, reference, alignment = fields[0:3]
+        if len(fields) > 3:
+            suffix = ' ||| ' + ' ||| '.join(fields[3:])
+    else:
+        if len(fields) > 1:
+            sentence = fields[0]
+            suffix = ' ||| ' + ' ||| '.join(fields[1:])
     grammar_file = os.path.join(prefix, 'grammar.{0}'.format(i))
     with open(grammar_file, 'w') as output:
         for rule in extractor.grammar(sentence):
             output.write(str(rule)+'\n')
+    # Add training instance _after_ extracting grammars
+    if online:
+        extractor.add_instance(sentence, reference, alignment)
     grammar_file = os.path.abspath(grammar_file)
     return '<seg grammar="{0}" id="{1}"> {2} </seg>{3}'.format(grammar_file, i, sentence, suffix)
 
 def main():
+    global online
     logging.basicConfig(level=logging.INFO)
     parser = argparse.ArgumentParser(description='Extract grammars from a compiled corpus.')
     parser.add_argument('-c', '--config', required=True,
@@ -54,6 +71,8 @@ def main():
                         help='number of sentences / chunk')
     parser.add_argument('-f', '--features', nargs='*', default=[],
                         help='additional feature definitions')
+    parser.add_argument('-o', '--online', action='store_true', default=False,
+                        help='online grammar extraction')
     args = parser.parse_args()
 
     if not os.path.exists(args.grammars):
@@ -64,6 +83,8 @@ def main():
                     ' should be a python module\n'.format(featdef))
             sys.exit(1)
 
+    online = args.online
+
     start_time = monitor_cpu()
     if args.jobs > 1:
         logging.info('Starting %d workers; chunk size: %d', args.jobs, args.chunksize)
diff --git a/python/pkg/cdec/sa/extractor.py b/python/pkg/cdec/sa/extractor.py
index e09f79ea..acc13cbc 100644
--- a/python/pkg/cdec/sa/extractor.py
+++ b/python/pkg/cdec/sa/extractor.py
@@ -1,15 +1,16 @@
 from itertools import chain
-import os
+import os, sys
 import cdec.configobj
 from cdec.sa.features import EgivenFCoherent, SampleCountF, CountEF,\
-        MaxLexEgivenF, MaxLexFgivenE, IsSingletonF, IsSingletonFE
+        MaxLexEgivenF, MaxLexFgivenE, IsSingletonF, IsSingletonFE,\
+        IsSupportedOnline
 import cdec.sa
 
 # maximum span of a grammar rule in TEST DATA
 MAX_INITIAL_SIZE = 15
 
 class GrammarExtractor:
-    def __init__(self, config, features=None):
+    def __init__(self, config, online=False, features=None):
         if isinstance(config, basestring):
             if not os.path.exists(config):
                 raise IOError('cannot read configuration from {0}'.format(config))
@@ -57,11 +58,19 @@ class GrammarExtractor:
         # lexical weighting tables
         tt = cdec.sa.BiLex(from_binary=config['lex_file'])
 
+        # TODO: clean this up
+        extended_features = []
+        if online:
+            extended_features.append(IsSupportedOnline)
+            
         # TODO: use @cdec.sa.features decorator for standard features too
         # + add a mask to disable features
+        for f in cdec.sa._SA_FEATURES:
+            extended_features.append(f)
+            
         scorer = cdec.sa.Scorer(EgivenFCoherent, SampleCountF, CountEF, 
             MaxLexFgivenE(tt), MaxLexEgivenF(tt), IsSingletonF, IsSingletonFE,
-            *cdec.sa._SA_FEATURES)
+            *extended_features)
 
         fsarray = cdec.sa.SuffixArray(from_binary=config['f_sa_file'])
         edarray = cdec.sa.DataArray(from_binary=config['e_file'])
@@ -82,3 +91,16 @@ class GrammarExtractor:
         meta = cdec.sa.annotate(words)
         cnet = cdec.sa.make_lattice(words)
         return self.factory.input(cnet, meta)
+
+    # Add training instance to data
+    def add_instance(self, sentence, reference, alignment):
+        f_words = cdec.sa.encode_words(sentence.split())
+        e_words = cdec.sa.encode_words(reference.split())
+        al = sorted(tuple(int(i) for i in pair.split('-')) for pair in alignment.split())
+        self.factory.add_instance(f_words, e_words, al)
+    
+    # Debugging
+    def dump_online_stats(self):
+        self.factory.dump_online_stats()
+    def dump_online_rules(self):
+        self.factory.dump_online_rules()
\ No newline at end of file
diff --git a/python/pkg/cdec/sa/features.py b/python/pkg/cdec/sa/features.py
index a4ae23e8..46412cd5 100644
--- a/python/pkg/cdec/sa/features.py
+++ b/python/pkg/cdec/sa/features.py
@@ -1,57 +1,142 @@
 from __future__ import division
 import math
 
+from cdec.sa import isvar
+
 MAXSCORE = 99
 
 def EgivenF(ctx): # p(e|f) = c(e, f)/c(f)
-    return -math.log10(ctx.paircount/ctx.fcount)
+    if not ctx.online:
+        prob = ctx.paircount/ctx.fcount
+    else:
+        prob = (ctx.paircount + ctx.online.paircount) / (ctx.fcount + ctx.online.fcount)
+    return -math.log10(prob)
 
 def CountEF(ctx): # c(e, f)
-    return math.log10(1 + ctx.paircount)
+    if not ctx.online:
+        count = 1 + ctx.paircount
+    else:
+        count = 1 + ctx.paircount + ctx.online.paircount
+    return math.log10(count)
 
 def SampleCountF(ctx): # sample c(f)
-    return math.log10(1 + ctx.fsample_count)
+    if not ctx.online:
+        count = 1 + ctx.fsample_count
+    else:
+        count = 1 + ctx.fsample_count + ctx.online.fsample_count
+    return math.log10(count)
 
 def EgivenFCoherent(ctx): # c(e, f) / sample c(f)
-    prob = ctx.paircount/ctx.fsample_count
+    if not ctx.online:
+        prob = ctx.paircount/ctx.fsample_count
+    else:
+        prob = (ctx.paircount + ctx.online.paircount) / (ctx.fsample_count + ctx.online.fsample_count)
     return -math.log10(prob) if prob > 0 else MAXSCORE
 
 def CoherenceProb(ctx): # c(f) / sample c(f)
-    return -math.log10(ctx.fcount/ctx.fsample_count)
+    if not ctx.online:
+        prob = ctx.fcount/ctx.fsample_count
+    else:
+        prob = (ctx.fcount + ctx.online.fcount) / (ctx.fsample_count + ctx.online.fsample_count)
+    return -math.log10(prob)
 
 def MaxLexEgivenF(ttable):
     def MaxLexEgivenF(ctx):
         fwords = ctx.fphrase.words
         fwords.append('NULL')
-        def score():
+        # Always use this for now
+        if not ctx.online or ctx.online:
+            maxOffScore = 0.0
+            for e in ctx.ephrase.words:
+                maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
+                maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            return maxOffScore
+        else:
+            # For now, straight average
+            maxOffScore = 0.0
+            maxOnScore = 0.0
             for e in ctx.ephrase.words:
-              maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
-              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
-        return sum(score())
+                maxScore = max(ttable.get_score(f, e, 0) for f in fwords)
+                maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            for e in ctx.ephrase:
+                if not isvar(e):
+                    maxScore = 0.0
+                    for f in ctx.fphrase:
+                        if not isvar(f):
+                            b_f = ctx.online.bilex_f.get(f, 0)
+                            if b_f:
+                                maxScore = max(maxScore, ctx.online.bilex_fe.get(f, {}).get(e))
+                    maxOnScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            return (maxOffScore + maxOnScore) / 2
     return MaxLexEgivenF
 
 def MaxLexFgivenE(ttable):
     def MaxLexFgivenE(ctx):
         ewords = ctx.ephrase.words
         ewords.append('NULL')
-        def score():
+        # Always use this for now
+        if not ctx.online or ctx.online:
+            maxOffScore = 0.0
             for f in ctx.fphrase.words:
-              maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
-              yield -math.log10(maxScore) if maxScore > 0 else MAXSCORE
-        return sum(score())
+                maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
+                maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            return maxOffScore
+        else:
+            # For now, straight average
+            maxOffScore = 0.0
+            maxOnScore = 0.0
+            for f in ctx.fphrase.words:
+                maxScore = max(ttable.get_score(f, e, 1) for e in ewords)
+                maxOffScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            for f in ctx.fphrase:
+                if not isvar(f):
+                    maxScore = 0.0
+                    for e in ctx.ephrase:
+                        if not isvar(e):
+                            b_e = ctx.online.bilex_e.get(e, 0)
+                            if b_e:
+                                maxScore = max(maxScore, ctx.online.bilex_fe.get(f, {}).get(e, 0) / b_e )
+                    maxOnScore += -math.log10(maxScore) if maxScore > 0 else MAXSCORE
+            return (maxOffScore + maxOnScore) / 2
     return MaxLexFgivenE
 
 def IsSingletonF(ctx):
-    return (ctx.fcount == 1)
+    if not ctx.online:
+        count = ctx.fcount
+    else:
+        count = ctx.fcount + ctx.online.fcount  
+    return (count == 1)
 
 def IsSingletonFE(ctx):
-    return (ctx.paircount == 1)
+    if not ctx.online:
+        count = ctx.paircount
+    else:
+        count = ctx.paircount + ctx.online.paircount
+    return (count == 1)
 
 def IsNotSingletonF(ctx):
-    return (ctx.fcount > 1)
+    if not ctx.online:
+        count = ctx.fcount
+    else:
+        count = ctx.fcount + ctx.online.fcount
+    return (count > 1)
 
 def IsNotSingletonFE(ctx):
+    if not ctx.online:
+        count = ctx.paircount
+    else:
+        count = ctx.paircount + ctx.online.paircount
     return (ctx.paircount > 1)
 
 def IsFEGreaterThanZero(ctx):
+    if not ctx.online:
+        count = ctx.paircount
+    else:
+        count = ctx.paircount + ctx.online.paircount
     return (ctx.paircount > 0.01)
+
+def IsSupportedOnline(ctx): # Occurs in online data?
+    if ctx.online:
+        return (ctx.online.paircount > 0.01)
+    else:
+        return False
\ No newline at end of file
diff --git a/python/pkg/cdec/sa/online_extractor.py b/python/pkg/cdec/sa/online_extractor.py
new file mode 100755
index 00000000..03a46b3b
--- /dev/null
+++ b/python/pkg/cdec/sa/online_extractor.py
@@ -0,0 +1,337 @@
+#!/usr/bin/env python
+
+import collections, sys
+
+import cdec.configobj
+
+CAT = '[X]'  # Default non-terminal
+MAX_SIZE = 15  # Max span of a grammar rule (source)
+MAX_LEN = 5  # Max number of terminals and non-terminals in a rule (source)
+MAX_NT = 2  # Max number of non-terminals in a rule
+MIN_GAP = 1  # Min number of terminals between non-terminals (source)
+
+# Spans are _inclusive_ on both ends [i, j]
+# TODO: Replace all of this with bit vectors?
+def span_check(vec, i, j):
+    k = i
+    while k <= j:
+        if vec[k]:
+            return False
+        k += 1
+    return True
+
+def span_flip(vec, i, j):
+    k = i
+    while k <= j:
+        vec[k] = ~vec[k]
+        k += 1
+
+# Next non-terminal
+def next_nt(nt):
+     if not nt:
+         return 1
+     return nt[-1][0] + 1
+
+class NonTerminal:
+    def __init__(self, index):
+        self.index = index
+    def __str__(self):
+        return '[X,{0}]'.format(self.index)
+
+def fmt_rule(f_sym, e_sym, links):
+    a_str = ' '.join('{0}-{1}'.format(i, j) for (i, j) in links)
+    return '[X] ||| {0} ||| {1} ||| {2}'.format(' '.join(str(sym) for sym in f_sym),
+                                                ' '.join(str(sym) for sym in e_sym),
+                                                a_str)
+
+class OnlineGrammarExtractor:
+
+    def __init__(self, config=None):
+        if isinstance(config, str) or isinstance(config, unicode):
+            if not os.path.exists(config):
+                raise IOError('cannot read configuration from {0}'.format(config))
+            config = cdec.configobj.ConfigObj(config, unrepr=True)
+        elif not config:
+            config = collections.defaultdict(lambda: None)
+        self.category = CAT
+        self.max_size = MAX_SIZE
+        self.max_length = config['max_len'] or MAX_LEN
+        self.max_nonterminals = config['max_nt'] or MAX_NT
+        self.min_gap_size = MIN_GAP
+        # Hard coded: require at least one aligned word
+        # Hard coded: require tight phrases
+
+        # Phrase counts
+        self.phrases_f = collections.defaultdict(lambda: 0)
+        self.phrases_e = collections.defaultdict(lambda: 0)
+        self.phrases_fe = collections.defaultdict(lambda: collections.defaultdict(lambda: 0))
+
+        # Bilexical counts
+        self.bilex_f = collections.defaultdict(lambda: 0)
+        self.bilex_e = collections.defaultdict(lambda: 0)
+        self.bilex_fe = collections.defaultdict(lambda: collections.defaultdict(lambda: 0))
+
+    # Aggregate bilexical counts
+    def aggr_bilex(self, f_words, e_words):
+
+        for e_w in e_words:
+            self.bilex_e[e_w] += 1
+
+        for f_w in f_words:
+            self.bilex_f[f_w] += 1
+            for e_w in e_words:
+                self.bilex_fe[f_w][e_w] += 1
+
+    # Aggregate stats from a training instance:
+    # Extract hierarchical phrase pairs
+    # Update bilexical counts
+    def add_instance(self, f_words, e_words, alignment):
+
+        # Bilexical counts
+        self.aggr_bilex(f_words, e_words)
+
+        # Phrase pairs extracted from this instance
+        phrases = set()
+
+        f_len = len(f_words)
+        e_len = len(e_words)
+
+        # Pre-compute alignment info
+        al = [[] for i in range(f_len)]
+        al_span = [[f_len + 1, -1] for i in range(f_len)]
+        for (f, e) in alignment:
+            al[f].append(e)
+            al_span[f][0] = min(al_span[f][0], e)
+            al_span[f][1] = max(al_span[f][1], e)
+
+        # Target side word coverage
+        # TODO: Does Cython do bit vectors?
+        cover = [0] * e_len
+
+        # Extract all possible hierarchical phrases starting at a source index
+        # f_ i and j are current, e_ i and j are previous
+        def extract(f_i, f_j, e_i, e_j, wc, links, nt, nt_open):
+            # Phrase extraction limits
+            if wc + len(nt) > self.max_length or (f_j + 1) > f_len or \
+                    (f_j - f_i) + 1 > self.max_size:
+                return
+            # Unaligned word
+            if not al[f_j]:
+                # Open non-terminal: extend
+                if nt_open:
+                    nt[-1][2] += 1
+                    extract(f_i, f_j + 1, e_i, e_j, wc, links, nt, True)
+                    nt[-1][2] -= 1
+                # No open non-terminal: extend with word
+                else:
+                    extract(f_i, f_j + 1, e_i, e_j, wc + 1, links, nt, False)
+                return
+            # Aligned word
+            link_i = al_span[f_j][0]
+            link_j = al_span[f_j][1]
+            new_e_i = min(link_i, e_i)
+            new_e_j = max(link_j, e_j)
+            # Open non-terminal: close, extract, extend
+            if nt_open:
+                # Close non-terminal, checking for collisions
+                old_last_nt = nt[-1][:]
+                nt[-1][2] = f_j
+                if link_i < nt[-1][3]:
+                    if not span_check(cover, link_i, nt[-1][3] - 1):
+                        nt[-1] = old_last_nt
+                        return
+                    span_flip(cover, link_i, nt[-1][3] - 1)
+                    nt[-1][3] = link_i
+                if link_j > nt[-1][4]:
+                    if not span_check(cover, nt[-1][4] + 1, link_j):
+                        nt[-1] = old_last_nt
+                        return
+                    span_flip(cover, nt[-1][4] + 1, link_j)
+                    nt[-1][4] = link_j
+                for rule in self.form_rules(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links):
+                    phrases.add(rule)
+                extract(f_i, f_j + 1, new_e_i, new_e_j, wc, links, nt, False)
+                nt[-1] = old_last_nt
+                if link_i < nt[-1][3]:
+                    span_flip(cover, link_i, nt[-1][3] - 1)
+                if link_j > nt[-1][4]:
+                    span_flip(cover, nt[-1][4] + 1, link_j)
+                return
+            # No open non-terminal
+            # Extract, extend with word
+            collision = False
+            for link in al[f_j]:
+                if cover[link]:
+                    collision = True
+            # Collisions block extraction and extension, but may be okay for
+            # continuing non-terminals
+            if not collision:
+                plus_links = []
+                for link in al[f_j]:
+                    plus_links.append((f_j, link))
+                    cover[link] = ~cover[link]
+                links.append(plus_links)
+                for rule in self.form_rules(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links):
+                    phrases.add(rule)
+                extract(f_i, f_j + 1, new_e_i, new_e_j, wc + 1, links, nt, False)
+                links.pop()
+                for link in al[f_j]:
+                    cover[link] = ~cover[link]
+            # Try to add a word to a (closed) non-terminal, extract, extend
+            if nt and nt[-1][2] == f_j - 1:
+                # Add to non-terminal, checking for collisions
+                old_last_nt = nt[-1][:]
+                nt[-1][2] = f_j
+                if link_i < nt[-1][3]:
+                    if not span_check(cover, link_i, nt[-1][3] - 1):
+                        nt[-1] = old_last_nt
+                        return
+                    span_flip(cover, link_i, nt[-1][3] - 1)
+                    nt[-1][3] = link_i
+                if link_j > nt[-1][4]:
+                    if not span_check(cover, nt[-1][4] + 1, link_j):
+                        nt[-1] = old_last_nt
+                        return
+                    span_flip(cover, nt[-1][4] + 1, link_j)
+                    nt[-1][4] = link_j
+                # Require at least one word in phrase
+                if links:
+                    for rule in self.form_rules(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links):
+                        phrases.add(rule)
+                extract(f_i, f_j + 1, new_e_i, new_e_j, wc, links, nt, False)
+                nt[-1] = old_last_nt
+                if new_e_i < nt[-1][3]:
+                    span_flip(cover, link_i, nt[-1][3] - 1)
+                if link_j > nt[-1][4]:
+                    span_flip(cover, nt[-1][4] + 1, link_j)
+            # Try to start a new non-terminal, extract, extend
+            if (not nt or f_j - nt[-1][2] > 1) and len(nt) < self.max_nonterminals:
+                # Check for collisions
+                if not span_check(cover, link_i, link_j):
+                    return
+                span_flip(cover, link_i, link_j)
+                nt.append([next_nt(nt), f_j, f_j, link_i, link_j])
+                # Require at least one word in phrase
+                if links:
+                    for rule in self.form_rules(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links):
+                        phrases.add(rule)
+                extract(f_i, f_j + 1, new_e_i, new_e_j, wc, links, nt, False)
+                nt.pop()
+                span_flip(cover, link_i, link_j)
+            # TODO: try adding NT to start, end, both
+            # check: one aligned word on boundary that is not part of a NT
+
+        # Try to extract phrases from every f index
+        f_i = 0
+        while f_i < f_len:
+            # Skip if phrases won't be tight on left side
+            if not al[f_i]:
+                f_i += 1
+                continue
+            extract(f_i, f_i, f_len + 1, -1, 1, [], [], False)
+            f_i += 1
+
+        for rule in sorted(phrases):
+            print rule
+
+    # Create a rule from source, target, non-terminals, and alignments
+    def form_rules(self, f_i, e_i, f_span, e_span, nt, al):
+    
+        # This could be more efficient but is unlikely to be the bottleneck
+    
+        rules = []
+    
+        nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))
+    
+        f_sym = f_span[:]
+        off = f_i
+        for next_nt in nt:
+            nt_len = (next_nt[2] - next_nt[1]) + 1
+            i = 0
+            while i < nt_len:
+                f_sym.pop(next_nt[1] - off)
+                i += 1
+            f_sym.insert(next_nt[1] - off, NonTerminal(next_nt[0]))
+            off += (nt_len - 1)
+    
+        e_sym = e_span[:]
+        off = e_i
+        for next_nt in nt_inv:
+            nt_len = (next_nt[4] - next_nt[3]) + 1
+            i = 0
+            while i < nt_len:
+                e_sym.pop(next_nt[3] - off)
+                i += 1
+            e_sym.insert(next_nt[3] - off, NonTerminal(next_nt[0]))
+            off += (nt_len - 1)
+    
+        # Adjusting alignment links takes some doing
+        links = [list(link) for sub in al for link in sub]
+        links_len = len(links)
+        nt_len = len(nt)
+        nt_i = 0
+        off = f_i
+        i = 0
+        while i < links_len:
+            while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+                off += (nt[nt_i][2] - nt[nt_i][1])
+                nt_i += 1
+            links[i][0] -= off
+            i += 1
+        nt_i = 0
+        off = e_i
+        i = 0
+        while i < links_len:
+            while nt_i < nt_len and links[i][1] > nt_inv[nt_i][3]:
+                off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+                nt_i += 1
+            links[i][1] -= off
+            i += 1
+    
+        # Rule
+        rules.append(fmt_rule(f_sym, e_sym, links))
+        if len(f_sym) >= self.max_length or len(nt) >= self.max_nonterminals:
+            return rules
+        last_index = nt[-1][0] if nt else 0
+        # Rule [X]
+        if not nt or not isinstance(f_sym[-1], NonTerminal):
+            f_sym.append(NonTerminal(last_index + 1))
+            e_sym.append(NonTerminal(last_index + 1))
+            rules.append(fmt_rule(f_sym, e_sym, links))
+            f_sym.pop()
+            e_sym.pop()
+        # [X] Rule
+        if not nt or not isinstance(f_sym[0], NonTerminal):
+            for sym in f_sym:
+                if isinstance(sym, NonTerminal):
+                    sym.index += 1
+            for sym in e_sym:
+                if isinstance(sym, NonTerminal):
+                    sym.index += 1
+            for link in links:
+                link[0] += 1
+                link[1] += 1
+            f_sym.insert(0, NonTerminal(1))
+            e_sym.insert(0, NonTerminal(1))
+            rules.append(fmt_rule(f_sym, e_sym, links))
+        if len(f_sym) >= self.max_length or len(nt) + 1 >= self.max_nonterminals:
+            return rules
+        # [X] Rule [X]
+        if not nt or not isinstance(f_sym[-1], NonTerminal):
+            f_sym.append(NonTerminal(last_index + 2))
+            e_sym.append(NonTerminal(last_index + 2))
+            rules.append(fmt_rule(f_sym, e_sym, links))
+        return rules
+
+def main(argv):
+
+    extractor = OnlineGrammarExtractor()
+
+    for line in sys.stdin:
+        print >> sys.stderr, line.strip()
+        f_words, e_words, a_str = (x.split() for x in line.split('|||'))
+        alignment = sorted(tuple(int(y) for y in x.split('-')) for x in a_str)
+        extractor.add_instance(f_words, e_words, alignment)
+
+if __name__ == '__main__':
+    main(sys.argv)
diff --git a/python/setup.py.in b/python/setup.py.in
index fa8a9f5e..925cb196 100644
--- a/python/setup.py.in
+++ b/python/setup.py.in
@@ -3,7 +3,7 @@ from distutils.extension import Extension
 import re
 
 INC = ['..', 'src/', '../decoder', '../utils', '../mteval']
-LIB = ['../decoder', '../utils', '../mteval', '../training/utils', '../klm/lm', '../klm/util', '../klm/search']
+LIB = ['../decoder', '../utils', '../mteval', '../training/utils', '../klm/lm', '../klm/util', '../klm/util/double-conversion', '../klm/search']
 
 # Set automatically by configure
 LIBS = re.findall('-l([^\s]+)', '@LIBS@')
@@ -17,7 +17,7 @@ ext_modules = [
         sources=['src/_cdec.cpp'],
         include_dirs=INC,
         library_dirs=LIB,
-        libraries=['cdec', 'utils', 'mteval', 'training_utils', 'klm', 'klm_util', 'ksearch'] + LIBS,
+        libraries=['cdec', 'utils', 'mteval', 'training_utils', 'klm', 'klm_util', 'klm_util_double', 'ksearch'] + LIBS,
         extra_compile_args=CPPFLAGS,
         extra_link_args=LDFLAGS),
     Extension(name='cdec.sa._sa',
diff --git a/python/src/sa/_sa.c b/python/src/sa/_sa.c
index fb4ab4a8..17957593 100644
--- a/python/src/sa/_sa.c
+++ b/python/src/sa/_sa.c
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.17.1 on Tue Feb 19 18:48:19 2013 */
+/* Generated by Cython 0.17.1 on Thu Feb 21 14:13:02 2013 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -359,45 +359,56 @@ static const char *__pyx_f[] = {
 /*--- Type declarations ---*/
 struct __pyx_obj_3_sa_HieroCachingRuleFactory;
 struct __pyx_obj_3_sa___pyx_scope_struct_9_decode_sentence;
+struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr;
 struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats;
-struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr;
 struct __pyx_obj_3_sa_IntList;
 struct __pyx_obj_3_sa_VEBIterator;
 struct __pyx_obj_3_sa_BiLex;
 struct __pyx_obj_3_sa_VEB;
+struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words;
 struct __pyx_obj_3_sa_LCP;
 struct __pyx_obj_3_sa_DataArray;
 struct __pyx_obj_3_sa_BitSetIterator;
-struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments;
+struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr;
 struct __pyx_obj_3_sa_Precomputation;
+struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments;
+struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr;
 struct __pyx_obj_3_sa_SuffixArray;
+struct __pyx_obj_3_sa___pyx_scope_struct_16___str__;
 struct __pyx_obj_3_sa_Alphabet;
 struct __pyx_obj_3_sa_Rule;
 struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance;
 struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr;
 struct __pyx_obj_3_sa_PhraseLocation;
-struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__;
+struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__;
+struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule;
+struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule;
+struct __pyx_obj_3_sa___pyx_scope_struct_28___str__;
 struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext;
+struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words;
 struct __pyx_obj_3_sa_FeatureVector;
 struct __pyx_obj_3_sa___pyx_scope_struct_7_decode_lattice;
+struct __pyx_obj_3_sa___pyx_scope_struct_19_input;
 struct __pyx_obj_3_sa_Scorer;
 struct __pyx_obj_3_sa_Alignment;
 struct __pyx_obj_3_sa_BitSet;
 struct __pyx_obj_3_sa_Sampler;
 struct __pyx_obj_3_sa_StringMap;
-struct __pyx_obj_3_sa___pyx_scope_struct_17___str__;
+struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases;
 struct __pyx_obj_3_sa_TrieNode;
 struct __pyx_obj_3_sa_ExtendedTrieNode;
 struct __pyx_obj_3_sa_TrieMap;
 struct __pyx_obj_3_sa___pyx_scope_struct_8_genexpr;
 struct __pyx_obj_3_sa___pyx_scope_struct_4_make_lattice;
-struct __pyx_obj_3_sa___pyx_scope_struct_12___str__;
-struct __pyx_obj_3_sa___pyx_scope_struct_15_input;
-struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr;
 struct __pyx_obj_3_sa_Phrase;
+struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__;
 struct __pyx_obj_3_sa___pyx_scope_struct____iter__;
 struct __pyx_obj_3_sa_TrieTable;
-struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__;
 struct __pyx_obj_3_sa___pyx_scope_struct_5_genexpr;
 struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr;
 struct __pyx_obj_3_sa_FloatList;
@@ -481,7 +492,7 @@ struct __pyx_t_3_sa__Trie_Node {
   int arr_len;
 };
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":66
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":76
  * 
  * # linked list structure for storing matches in BaselineRuleFactory
  * cdef struct match_node:             # <<<<<<<<<<<<<<
@@ -493,7 +504,7 @@ struct __pyx_t_3_sa_match_node {
   struct __pyx_t_3_sa_match_node *next;
 };
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":162
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":172
  * 
  * # struct used to encapsulate a single matching
  * cdef struct Matching:             # <<<<<<<<<<<<<<
@@ -508,7 +519,7 @@ struct __pyx_t_3_sa_Matching {
   int size;
 };
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":218
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":228
  * 
  * 
  * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
@@ -555,14 +566,24 @@ struct __pyx_obj_3_sa_HieroCachingRuleFactory {
   int require_aligned_chunks;
   struct __pyx_obj_3_sa_IntList *findexes;
   struct __pyx_obj_3_sa_IntList *findexes1;
+  int online;
+  PyObject *samples_f;
+  PyObject *phrases_f;
+  PyObject *phrases_e;
+  PyObject *phrases_fe;
+  PyObject *phrases_al;
+  PyObject *bilex_f;
+  PyObject *bilex_e;
+  PyObject *bilex_fe;
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":118
  *             for arc in node for node in lattice)
  * 
  * def decode_sentence(lattice):             # <<<<<<<<<<<<<<
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
  */
 struct __pyx_obj_3_sa___pyx_scope_struct_9_decode_sentence {
   PyObject_HEAD
@@ -570,6 +591,40 @@ struct __pyx_obj_3_sa___pyx_scope_struct_9_decode_sentence {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":187
+ *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
+ *         if self.word_alignments is not None:
+ *             fields.append(' '.join('%d-%d' % a for a in self.alignments()))             # <<<<<<<<<<<<<<
+ *         return ' ||| '.join(fields)
+ * 
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *__pyx_outer_scope;
+  PyObject *__pyx_v_a;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1187
+ *         # Online rule extraction and scoring
+ *         if self.online:
+ *             f_syms = tuple(word[0][0] for word in fwords)             # <<<<<<<<<<<<<<
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ *                 spanlen = (lex_j - lex_i) + 1
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *__pyx_outer_scope;
+  PyObject *__pyx_v_word;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/lcp.pxi":36
  *         logger.info("LCP array completed")
  * 
@@ -601,6 +656,23 @@ struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":122
+ * 
+ * def encode_words(words):
+ *     return tuple(sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
+ * 
+ * def decode_words(syms):
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *__pyx_outer_scope;
+  PyObject *__pyx_v_word;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":21
  * 
  *     def __str__(self):
@@ -608,9 +680,9 @@ struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats {
  * 
  * cdef class Scorer:
  */
-struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr {
+struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr {
   PyObject_HEAD
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *__pyx_outer_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *__pyx_outer_scope;
   PyObject *__pyx_v_feat;
   PyObject *__pyx_t_0;
   Py_ssize_t __pyx_t_1;
@@ -684,6 +756,19 @@ struct __pyx_obj_3_sa_VEB {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":121
+ *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
+ * def encode_words(words):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words {
+  PyObject_HEAD
+  PyObject *__pyx_v_words;
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/lcp.pxi":5
  * as k most frequent n-grams"""
  * 
@@ -731,17 +816,18 @@ struct __pyx_obj_3_sa_BitSetIterator {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":190
- *         return ' ||| '.join(fields)
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2115
+ *         f = Phrase(f_sym)
+ *         e = Phrase(e_sym)
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)             # <<<<<<<<<<<<<<
+ *         return (f, e, a, lex_f_i, lex_f_j)
  * 
- *     def alignments(self):             # <<<<<<<<<<<<<<
- *         for point in self.word_alignments:
- *             yield point/65536, point%65536
  */
-struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments {
+struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr {
   PyObject_HEAD
-  PyObject *__pyx_v_point;
-  struct __pyx_obj_3_sa_Rule *__pyx_v_self;
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *__pyx_outer_scope;
+  PyObject *__pyx_v_i;
+  PyObject *__pyx_v_j;
   PyObject *__pyx_t_0;
   Py_ssize_t __pyx_t_1;
   PyObject *(*__pyx_t_2)(PyObject *);
@@ -769,6 +855,38 @@ struct __pyx_obj_3_sa_Precomputation {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":190
+ *         return ' ||| '.join(fields)
+ * 
+ *     def alignments(self):             # <<<<<<<<<<<<<<
+ *         for point in self.word_alignments:
+ *             yield point/65536, point%65536
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments {
+  PyObject_HEAD
+  PyObject *__pyx_v_point;
+  struct __pyx_obj_3_sa_Rule *__pyx_v_self;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":125
+ * 
+ * def decode_words(syms):
+ *     return tuple(sym_tostring(sym) for sym in syms)             # <<<<<<<<<<<<<<
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *__pyx_outer_scope;
+  PyObject *__pyx_v_sym;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/suffix_array.pxi":6
  * from libc.stdio cimport FILE, fclose, fopen
  * 
@@ -785,6 +903,19 @@ struct __pyx_obj_3_sa_SuffixArray {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":183
+ *         return self.f.arity()
+ * 
+ *     def __str__(self):             # <<<<<<<<<<<<<<
+ *         cdef unsigned i
+ *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa_Rule *__pyx_v_self;
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":7
  * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
@@ -821,7 +952,7 @@ struct __pyx_obj_3_sa_Rule {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":109
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)             # <<<<<<<<<<<<<<
@@ -838,6 +969,29 @@ struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1884
+ *     # Aggregate stats from a training instance
+ *     # (Extract rules, update counts)
+ *     def add_instance(self, f_words, e_words, alignment):             # <<<<<<<<<<<<<<
+ * 
+ *         self.online = True
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance {
+  PyObject_HEAD
+  PyObject *__pyx_v_al;
+  PyObject *__pyx_v_cover;
+  PyObject *__pyx_v_e_nt_cover;
+  PyObject *__pyx_v_e_words;
+  PyObject *__pyx_v_ef_span;
+  PyObject *__pyx_v_extract;
+  PyObject *__pyx_v_f_len;
+  PyObject *__pyx_v_f_words;
+  PyObject *__pyx_v_fe_span;
+  PyObject *__pyx_v_rules;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/data_array.pxi":74
  *     def read_bitext(self, char* filename, int side):
  *         with gzip_or_text(filename) as fp:
@@ -854,6 +1008,14 @@ struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr {
   PyObject *(*__pyx_t_2)(PyObject *);
 };
 
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":84
+ * # in the suffix array; if discontiguous, it is the set of
+ * # actual locations (packed into an array)
+ * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
+ *     cdef int sa_low
+ *     cdef int sa_high
+ */
 struct __pyx_obj_3_sa_PhraseLocation {
   PyObject_HEAD
   struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtab;
@@ -866,19 +1028,76 @@ struct __pyx_obj_3_sa_PhraseLocation {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":15
- *         self.values.append(value)
+/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":141
+ *         return self.syms[i]
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
- *         cdef unsigned i
- *         for i in range(self.names.len):
+ *         cdef int i
+ *         for i from 0 <= i < self.n:
  */
-struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ {
+struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ {
   PyObject_HEAD
-  unsigned int __pyx_v_i;
-  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
+  int __pyx_v_i;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_self;
   int __pyx_t_0;
-  unsigned int __pyx_t_1;
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2054
+ * 
+ *     # Create a rule from source, target, non-terminals, and alignments
+ *     def form_rule(self, f_i, e_i, f_span, e_span, nt, al):             # <<<<<<<<<<<<<<
+ * 
+ *         # Substitute in non-terminals
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule {
+  PyObject_HEAD
+  PyObject *__pyx_v_links;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2120
+ *     # Rule string from rule
+ *     def fmt_rule(self, f, e, a):
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)             # <<<<<<<<<<<<<<
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+ * 
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *__pyx_outer_scope;
+  PyObject *__pyx_v_packed;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2119
+ * 
+ *     # Rule string from rule
+ *     def fmt_rule(self, f, e, a):             # <<<<<<<<<<<<<<
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule {
+  PyObject_HEAD
+  PyObject *__pyx_v_a;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
+};
+
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":20
+ *             yield (FD.word(self.names[i]), self.values[i])
+ * 
+ *     def __str__(self):             # <<<<<<<<<<<<<<
+ *         return ' '.join('%s=%s' % feat for feat in self)
+ * 
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
 };
 
 
@@ -896,6 +1115,18 @@ struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":124
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ * def decode_words(syms):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_tostring(sym) for sym in syms)
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words {
+  PyObject_HEAD
+  PyObject *__pyx_v_syms;
+};
+
+
 /* "_sa.pxd":25
  *     cdef void read_handle(self, FILE* f)
  * 
@@ -910,7 +1141,7 @@ struct __pyx_obj_3_sa_FeatureVector {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":114
  *     return tuple(((word, None, 1), ) for word in word_ids)
  * 
  * def decode_lattice(lattice):             # <<<<<<<<<<<<<<
@@ -923,6 +1154,101 @@ struct __pyx_obj_3_sa___pyx_scope_struct_7_decode_lattice {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":973
+ *         return sorted(result);
+ * 
+ *     def input(self, fwords, meta):             # <<<<<<<<<<<<<<
+ *         '''When this function is called on the RuleFactory,
+ *         it looks up all of the rules that can be used to translate
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_19_input {
+  PyObject_HEAD
+  PyObject *__pyx_v_alignment;
+  PyObject *__pyx_v_als;
+  PyObject *__pyx_v_alslist;
+  int __pyx_v_alt;
+  int __pyx_v_alt_id;
+  int __pyx_v_arity;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_chunklen;
+  PyObject *__pyx_v_count;
+  PyObject *__pyx_v_e;
+  PyObject *__pyx_v_elist;
+  PyObject *__pyx_v_extract;
+  PyObject *__pyx_v_extract_start;
+  PyObject *__pyx_v_extract_stop;
+  PyObject *__pyx_v_extracts;
+  PyObject *__pyx_v_f;
+  PyObject *__pyx_v_f_syms;
+  PyObject *__pyx_v_fcount;
+  int __pyx_v_flen;
+  PyObject *__pyx_v_fphrases;
+  PyObject *__pyx_v_frontier;
+  PyObject *__pyx_v_frontier_nodes;
+  PyObject *__pyx_v_fwords;
+  PyObject *__pyx_v_genexpr;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_hiero_phrase;
+  long __pyx_v_hit;
+  int __pyx_v_i;
+  PyObject *__pyx_v_input_match;
+  PyObject *__pyx_v_intersect_start_time;
+  PyObject *__pyx_v_intersect_stop_time;
+  PyObject *__pyx_v_is_shadow_path;
+  int __pyx_v_j;
+  int __pyx_v_k;
+  PyObject *__pyx_v_key;
+  PyObject *__pyx_v_lex_i;
+  PyObject *__pyx_v_lex_j;
+  PyObject *__pyx_v_loc;
+  PyObject *__pyx_v_locs;
+  int __pyx_v_lookup_required;
+  struct __pyx_t_3_sa_Matching __pyx_v_matching;
+  PyObject *__pyx_v_max_locs;
+  PyObject *__pyx_v_meta;
+  PyObject *__pyx_v_new_frontier;
+  PyObject *__pyx_v_new_node;
+  PyObject *__pyx_v_next_states;
+  PyObject *__pyx_v_node;
+  PyObject *__pyx_v_nodes_isteps_away_buffer;
+  int __pyx_v_nualt;
+  int __pyx_v_num_samples;
+  int __pyx_v_num_subpatterns;
+  PyObject *__pyx_v_pathlen;
+  PyObject *__pyx_v_phrase;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location;
+  PyObject *__pyx_v_prefix;
+  PyObject *__pyx_v_reachable_buffer;
+  PyObject *__pyx_v_sa_range;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_sample;
+  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_scores;
+  PyObject *__pyx_v_seen_phrases;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
+  PyObject *__pyx_v_spanlen;
+  float __pyx_v_start_time;
+  PyObject *__pyx_v_stop_time;
+  PyObject *__pyx_v_suffix_link;
+  int __pyx_v_suffix_link_xcat;
+  PyObject *__pyx_v_suffix_link_xcat_index;
+  PyObject *__pyx_v_word_id;
+  int __pyx_v_x1;
+  int __pyx_v_xcat;
+  PyObject *__pyx_v_xcat_index;
+  PyObject *__pyx_v_xnode;
+  PyObject *__pyx_v_xroot;
+  Py_ssize_t __pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3;
+  PyObject *__pyx_t_4;
+  PyObject *__pyx_t_5;
+  int __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  Py_ssize_t __pyx_t_9;
+  PyObject *(*__pyx_t_10)(PyObject *);
+  PyObject *(*__pyx_t_11)(PyObject *);
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":23
  *         return ' '.join('%s=%s' % feat for feat in self)
  * 
@@ -965,7 +1291,7 @@ struct __pyx_obj_3_sa_BitSet {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":96
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":106
  * 
  * 
  * cdef class Sampler:             # <<<<<<<<<<<<<<
@@ -993,20 +1319,24 @@ struct __pyx_obj_3_sa_StringMap {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":20
- *             yield (FD.word(self.names[i]), self.values[i])
- * 
- *     def __str__(self):             # <<<<<<<<<<<<<<
- *         return ' '.join('%s=%s' % feat for feat in self)
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2166
+ *     # (Used for EGivenFCoherent)
+ *     # Return set of (fphrase, lex_i, lex_j)
+ *     def get_f_phrases(self, f_words):             # <<<<<<<<<<<<<<
  * 
+ *         f_len = len(f_words)
  */
-struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ {
+struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases {
   PyObject_HEAD
-  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
+  PyObject *__pyx_v_extract;
+  PyObject *__pyx_v_f_len;
+  PyObject *__pyx_v_f_words;
+  PyObject *__pyx_v_phrases;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":36
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":46
  * cdef int EPSILON = sym_fromstring('*EPS*', True)
  * 
  * cdef class TrieNode:             # <<<<<<<<<<<<<<
@@ -1019,7 +1349,7 @@ struct __pyx_obj_3_sa_TrieNode {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":42
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":52
  *         self.children = {}
  * 
  * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
@@ -1049,7 +1379,7 @@ struct __pyx_obj_3_sa_TrieMap {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
  * 
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc             # <<<<<<<<<<<<<<
@@ -1076,8 +1406,8 @@ struct __pyx_obj_3_sa___pyx_scope_struct_8_genexpr {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":107
- *     return ALPHABET.fromstring(string, terminal)
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":110
+ *     return sym_isvar(sym)
  * 
  * def make_lattice(words):             # <<<<<<<<<<<<<<
  *     word_ids = (sym_fromstring(word, True) for word in words)
@@ -1090,124 +1420,6 @@ struct __pyx_obj_3_sa___pyx_scope_struct_4_make_lattice {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":183
- *         return self.f.arity()
- * 
- *     def __str__(self):             # <<<<<<<<<<<<<<
- *         cdef unsigned i
- *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
- */
-struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ {
-  PyObject_HEAD
-  struct __pyx_obj_3_sa_Rule *__pyx_v_self;
-};
-
-
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":934
- *         return sorted(result);
- * 
- *     def input(self, fwords, meta):             # <<<<<<<<<<<<<<
- *         '''When this function is called on the RuleFactory,
- *         it looks up all of the rules that can be used to translate
- */
-struct __pyx_obj_3_sa___pyx_scope_struct_15_input {
-  PyObject_HEAD
-  PyObject *__pyx_v_alignment;
-  PyObject *__pyx_v_als;
-  PyObject *__pyx_v_alslist;
-  int __pyx_v_alt;
-  int __pyx_v_alt_id;
-  int __pyx_v_arity;
-  struct __pyx_obj_3_sa_IntList *__pyx_v_chunklen;
-  PyObject *__pyx_v_count;
-  PyObject *__pyx_v_e;
-  PyObject *__pyx_v_elist;
-  PyObject *__pyx_v_extract;
-  PyObject *__pyx_v_extract_start;
-  PyObject *__pyx_v_extract_stop;
-  PyObject *__pyx_v_extracts;
-  PyObject *__pyx_v_f;
-  PyObject *__pyx_v_fcount;
-  int __pyx_v_flen;
-  PyObject *__pyx_v_fphrases;
-  PyObject *__pyx_v_frontier;
-  PyObject *__pyx_v_frontier_nodes;
-  PyObject *__pyx_v_fwords;
-  struct __pyx_obj_3_sa_Phrase *__pyx_v_hiero_phrase;
-  long __pyx_v_hit;
-  int __pyx_v_i;
-  PyObject *__pyx_v_input_match;
-  PyObject *__pyx_v_intersect_start_time;
-  PyObject *__pyx_v_intersect_stop_time;
-  PyObject *__pyx_v_is_shadow_path;
-  int __pyx_v_j;
-  int __pyx_v_k;
-  PyObject *__pyx_v_key;
-  PyObject *__pyx_v_loc;
-  PyObject *__pyx_v_locs;
-  int __pyx_v_lookup_required;
-  struct __pyx_t_3_sa_Matching __pyx_v_matching;
-  PyObject *__pyx_v_max_locs;
-  PyObject *__pyx_v_meta;
-  PyObject *__pyx_v_new_frontier;
-  PyObject *__pyx_v_new_node;
-  PyObject *__pyx_v_next_states;
-  PyObject *__pyx_v_node;
-  PyObject *__pyx_v_nodes_isteps_away_buffer;
-  int __pyx_v_nualt;
-  int __pyx_v_num_samples;
-  int __pyx_v_num_subpatterns;
-  PyObject *__pyx_v_pathlen;
-  PyObject *__pyx_v_phrase;
-  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location;
-  PyObject *__pyx_v_prefix;
-  PyObject *__pyx_v_reachable_buffer;
-  PyObject *__pyx_v_sa_range;
-  struct __pyx_obj_3_sa_IntList *__pyx_v_sample;
-  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_scores;
-  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
-  PyObject *__pyx_v_spanlen;
-  float __pyx_v_start_time;
-  PyObject *__pyx_v_stop_time;
-  PyObject *__pyx_v_suffix_link;
-  int __pyx_v_suffix_link_xcat;
-  PyObject *__pyx_v_suffix_link_xcat_index;
-  PyObject *__pyx_v_word_id;
-  int __pyx_v_x1;
-  int __pyx_v_xcat;
-  PyObject *__pyx_v_xcat_index;
-  PyObject *__pyx_v_xnode;
-  PyObject *__pyx_v_xroot;
-  Py_ssize_t __pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  int __pyx_t_2;
-  PyObject *__pyx_t_3;
-  PyObject *__pyx_t_4;
-  PyObject *__pyx_t_5;
-  int __pyx_t_6;
-  Py_ssize_t __pyx_t_7;
-  Py_ssize_t __pyx_t_8;
-  Py_ssize_t __pyx_t_9;
-};
-
-
-/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":187
- *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
- *         if self.word_alignments is not None:
- *             fields.append(' '.join('%d-%d' % a for a in self.alignments()))             # <<<<<<<<<<<<<<
- *         return ' ||| '.join(fields)
- * 
- */
-struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr {
-  PyObject_HEAD
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *__pyx_outer_scope;
-  PyObject *__pyx_v_a;
-  PyObject *__pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  PyObject *(*__pyx_t_2)(PyObject *);
-};
-
-
 /* "_sa.pxd":29
  *     cdef FloatList values
  * 
@@ -1225,6 +1437,22 @@ struct __pyx_obj_3_sa_Phrase {
 };
 
 
+/* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":15
+ *         self.values.append(value)
+ * 
+ *     def __iter__(self):             # <<<<<<<<<<<<<<
+ *         cdef unsigned i
+ *         for i in range(self.names.len):
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ {
+  PyObject_HEAD
+  unsigned int __pyx_v_i;
+  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
+  int __pyx_t_0;
+  unsigned int __pyx_t_1;
+};
+
+
 /* "/home/pauldb/workspace/cdec/python/src/sa/int_list.pxi":81
  *         free(self.arr)
  * 
@@ -1241,7 +1469,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct____iter__ {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":53
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":63
  * 
  * 
  * cdef class TrieTable:             # <<<<<<<<<<<<<<
@@ -1256,22 +1484,7 @@ struct __pyx_obj_3_sa_TrieTable {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":141
- *         return self.syms[i]
- * 
- *     def __iter__(self):             # <<<<<<<<<<<<<<
- *         cdef int i
- *         for i from 0 <= i < self.n:
- */
-struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ {
-  PyObject_HEAD
-  int __pyx_v_i;
-  struct __pyx_obj_3_sa_Phrase *__pyx_v_self;
-  int __pyx_t_0;
-};
-
-
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":108
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
  * 
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
@@ -1288,10 +1501,12 @@ struct __pyx_obj_3_sa___pyx_scope_struct_5_genexpr {
 };
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":116
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":119
  * 
  * def decode_sentence(lattice):
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)             # <<<<<<<<<<<<<<
+ * 
+ * def encode_words(words):
  */
 struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr {
   PyObject_HEAD
@@ -1437,7 +1652,7 @@ struct __pyx_vtabstruct_3_sa_Phrase {
 static struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtabptr_3_sa_Phrase;
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":74
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":84
  * # in the suffix array; if discontiguous, it is the set of
  * # actual locations (packed into an array)
  * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
@@ -1535,7 +1750,7 @@ struct __pyx_vtabstruct_3_sa_Alphabet {
 static struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtabptr_3_sa_Alphabet;
 
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":218
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":228
  * 
  * 
  * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
@@ -2202,14 +2417,25 @@ static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_7_decode_lattice = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_8_genexpr = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_9_decode_sentence = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_10_genexpr = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_11___iter__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_12___str__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_13_genexpr = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_14_alignments = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_15_input = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_16___iter__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_17___str__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_18_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_11_encode_words = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_12_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_13_decode_words = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_14_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_15___iter__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_16___str__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_17_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_18_alignments = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_19_input = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_20_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_21_add_instance = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_22_form_rule = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_23_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_24_fmt_rule = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_25_genexpr = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_26_get_f_phrases = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_27___iter__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_28___str__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_29_genexpr = 0;
 static int __pyx_v_3_sa_MIN_BOTTOM_SIZE;
 static int __pyx_v_3_sa_MIN_BOTTOM_BITS;
 static int __pyx_v_3_sa_LOWER_MASK[32];
@@ -2373,13 +2599,18 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
 static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_8Alphabet_9terminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4isvar(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_sym); /* proto */
 static PyObject *__pyx_pf_3_sa_12make_lattice_genexpr(PyObject *__pyx_self); /* proto */
 static PyObject *__pyx_pf_3_sa_12make_lattice_3genexpr(PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_3_sa_4make_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words); /* proto */
+static PyObject *__pyx_pf_3_sa_6make_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words); /* proto */
 static PyObject *__pyx_pf_3_sa_14decode_lattice_genexpr(PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_3_sa_6decode_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice); /* proto */
+static PyObject *__pyx_pf_3_sa_8decode_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice); /* proto */
 static PyObject *__pyx_pf_3_sa_15decode_sentence_genexpr(PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_3_sa_8decode_sentence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice); /* proto */
+static PyObject *__pyx_pf_3_sa_10decode_sentence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice); /* proto */
+static PyObject *__pyx_pf_3_sa_12encode_words_genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_3_sa_12encode_words(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words); /* proto */
+static PyObject *__pyx_pf_3_sa_12decode_words_genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_3_sa_14decode_words(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_syms); /* proto */
 static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
 static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
@@ -2454,6 +2685,9 @@ static int __pyx_pf_3_sa_9TrieTable_4root_4__del__(struct __pyx_obj_3_sa_TrieTab
 static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_self, int __pyx_v_sa_low, int __pyx_v_sa_high, int __pyx_v_arr_low, int __pyx_v_arr_high, PyObject *__pyx_v_arr, int __pyx_v_num_subpatterns); /* proto */
 static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray); /* proto */
 static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
 static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index); /* proto */
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray, struct __pyx_obj_3_sa_DataArray *__pyx_v_edarray, struct __pyx_obj_3_sa_Sampler *__pyx_v_sampler, struct __pyx_obj_3_sa_Scorer *__pyx_v_scorer); /* proto */
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
@@ -2465,10 +2699,27 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_dist); /* proto */
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_ito); /* proto */
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v__columns, PyObject *__pyx_v_curr_idx, PyObject *__pyx_v_min_dist); /* proto */
-static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda5(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda4(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda6(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_5input_2genexpr(PyObject *__pyx_self); /* proto */
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_meta); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12add_instance_extract(PyObject *__pyx_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_f_j, PyObject *__pyx_v_e_i, PyObject *__pyx_v_e_j, PyObject *__pyx_v_min_bound, PyObject *__pyx_v_wc, PyObject *__pyx_v_links, PyObject *__pyx_v_nt, PyObject *__pyx_v_nt_open); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_25add_instance(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_words, PyObject *__pyx_v_e_words, PyObject *__pyx_v_alignment); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda7(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
+static PyObject *__pyx_lambda_funcdef_lambda8(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_9form_rule_2genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_27form_rule(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_e_i, PyObject *__pyx_v_f_span, PyObject *__pyx_v_e_span, PyObject *__pyx_v_nt, PyObject *__pyx_v_al); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8fmt_rule_genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_29fmt_rule(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f, PyObject *__pyx_v_e, PyObject *__pyx_v_a); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_31dump_online_stats(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_33dump_online_rules(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_35online_ctx_lookup(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f, PyObject *__pyx_v_e); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_13get_f_phrases_extract(PyObject *__pyx_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_f_j, PyObject *__pyx_v_lex_i, PyObject *__pyx_v_lex_j, PyObject *__pyx_v_wc, PyObject *__pyx_v_ntc, PyObject *__pyx_v_syms); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_37get_f_phrases(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_words); /* proto */
+static PyObject *__pyx_pf_3_sa_16span_check(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j); /* proto */
+static PyObject *__pyx_pf_3_sa_18span_inc(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j); /* proto */
+static PyObject *__pyx_pf_3_sa_20span_dec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j); /* proto */
 static int __pyx_pf_3_sa_13FeatureVector___cinit__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_13FeatureVector_2set(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self, unsigned int __pyx_v_name, float __pyx_v_value); /* proto */
 static PyObject *__pyx_pf_3_sa_13FeatureVector_4__iter__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self); /* proto */
@@ -2529,13 +2780,19 @@ static char __pyx_k_94[] = "Suffix array construction took %f seconds";
 static char __pyx_k_95[] = "Unexpected condition found in q3sort: sort from %d to %d";
 static char __pyx_k__0[] = "0";
 static char __pyx_k__1[] = "1";
+static char __pyx_k__E[] = "E";
+static char __pyx_k__F[] = "F";
+static char __pyx_k__a[] = "a";
 static char __pyx_k__e[] = "e";
 static char __pyx_k__f[] = "f";
 static char __pyx_k__h[] = "h";
 static char __pyx_k__i[] = "i";
 static char __pyx_k__j[] = "j";
+static char __pyx_k__k[] = "k";
 static char __pyx_k__r[] = "r";
 static char __pyx_k__w[] = "w";
+static char __pyx_k__x[] = "x";
+static char __pyx_k__y[] = "y";
 static char __pyx_k_100[] = "Sampling strategy: uniform, max sample size = %d";
 static char __pyx_k_101[] = "Sampling strategy: no sampling";
 static char __pyx_k_103[] = "require_aligned_terminal";
@@ -2568,18 +2825,36 @@ static char __pyx_k_131[] = "Inside edges of following subphrase are not tight";
 static char __pyx_k_132[] = "Subphrase [%d, %d] failed integrity check";
 static char __pyx_k_133[] = "Didn't extract anything from [%d, %d] -> [%d, %d]";
 static char __pyx_k_134[] = "Unable to extract basic phrase";
-static char __pyx_k_135[] = "%s=%s";
-static char __pyx_k_137[] = "/home/pauldb/workspace/cdec/python/src/sa/_sa.pyx";
-static char __pyx_k_140[] = "cdec.sa";
-static char __pyx_k_144[] = "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi";
-static char __pyx_k_149[] = "*EPS*";
+static char __pyx_k_137[] = "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi";
+static char __pyx_k_138[] = "{0}-{1}";
+static char __pyx_k_139[] = "[X] ||| {0} ||| {1} ||| {2}";
+static char __pyx_k_140[] = "------------------------------";
+static char __pyx_k_142[] = "         Online Stats         ";
+static char __pyx_k_146[] = " : ";
+static char __pyx_k_152[] = "OnlineFeatureContext";
+static char __pyx_k_155[] = "%s=%s";
+static char __pyx_k_157[] = "/home/pauldb/workspace/cdec/python/src/sa/_sa.pyx";
+static char __pyx_k_160[] = "cdec.sa";
+static char __pyx_k_164[] = "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi";
+static char __pyx_k_175[] = "*EPS*";
+static char __pyx_k__FE[] = "FE";
+static char __pyx_k__al[] = "al";
+static char __pyx_k__fe[] = "fe";
 static char __pyx_k__gc[] = "gc";
+static char __pyx_k__nt[] = "nt";
 static char __pyx_k__sa[] = "sa";
+static char __pyx_k__wc[] = "wc";
 static char __pyx_k___sa[] = "_sa";
+static char __pyx_k__add[] = "add";
 static char __pyx_k__arr[] = "arr";
 static char __pyx_k__cmp[] = "cmp";
 static char __pyx_k__col[] = "col";
+static char __pyx_k__e_i[] = "e_i";
+static char __pyx_k__e_j[] = "e_j";
 static char __pyx_k__end[] = "end";
+static char __pyx_k__f_i[] = "f_i";
+static char __pyx_k__f_j[] = "f_j";
+static char __pyx_k__get[] = "get";
 static char __pyx_k__isa[] = "isa";
 static char __pyx_k__ito[] = "ito";
 static char __pyx_k__key[] = "key";
@@ -2587,9 +2862,13 @@ static char __pyx_k__lhs[] = "lhs";
 static char __pyx_k__low[] = "low";
 static char __pyx_k__map[] = "map";
 static char __pyx_k__max[] = "max";
+static char __pyx_k__ntc[] = "ntc";
 static char __pyx_k__pad[] = "pad";
+static char __pyx_k__pop[] = "pop";
 static char __pyx_k__res[] = "res";
 static char __pyx_k__set[] = "set";
+static char __pyx_k__sym[] = "sym";
+static char __pyx_k__vec[] = "vec";
 static char __pyx_k__zip[] = "zip";
 static char __pyx_k__NULL[] = "NULL";
 static char __pyx_k__dist[] = "dist";
@@ -2597,6 +2876,7 @@ static char __pyx_k__gzip[] = "gzip";
 static char __pyx_k__high[] = "high";
 static char __pyx_k__info[] = "info";
 static char __pyx_k__join[] = "join";
+static char __pyx_k__link[] = "link";
 static char __pyx_k__meta[] = "meta";
 static char __pyx_k__name[] = "name";
 static char __pyx_k__open[] = "open";
@@ -2605,6 +2885,7 @@ static char __pyx_k__side[] = "side";
 static char __pyx_k__size[] = "size";
 static char __pyx_k__skip[] = "skip";
 static char __pyx_k__stop[] = "stop";
+static char __pyx_k__syms[] = "syms";
 static char __pyx_k__warn[] = "warn";
 static char __pyx_k__word[] = "word";
 static char __pyx_k___SEP_[] = "_SEP_";
@@ -2615,6 +2896,10 @@ static char __pyx_k__eword[] = "eword";
 static char __pyx_k__fword[] = "fword";
 static char __pyx_k__ifrom[] = "ifrom";
 static char __pyx_k__index[] = "index";
+static char __pyx_k__isvar[] = "isvar";
+static char __pyx_k__lex_i[] = "lex_i";
+static char __pyx_k__lex_j[] = "lex_j";
+static char __pyx_k__links[] = "links";
 static char __pyx_k__merge[] = "merge";
 static char __pyx_k__range[] = "range";
 static char __pyx_k__reset[] = "reset";
@@ -2625,17 +2910,23 @@ static char __pyx_k__toMap[] = "toMap";
 static char __pyx_k__value[] = "value";
 static char __pyx_k__words[] = "words";
 static char __pyx_k__write[] = "write";
+static char __pyx_k__e_span[] = "e_span";
 static char __pyx_k__e_text[] = "e_text";
 static char __pyx_k__earray[] = "earray";
 static char __pyx_k__extend[] = "extend";
+static char __pyx_k__f_span[] = "f_span";
 static char __pyx_k__f_text[] = "f_text";
 static char __pyx_k__fcount[] = "fcount";
+static char __pyx_k__format[] = "format";
 static char __pyx_k__fwords[] = "fwords";
 static char __pyx_k__get_id[] = "get_id";
 static char __pyx_k__insert[] = "insert";
+static char __pyx_k__link_i[] = "link_i";
+static char __pyx_k__link_j[] = "link_j";
 static char __pyx_k__logger[] = "logger";
 static char __pyx_k__lookup[] = "lookup";
 static char __pyx_k__offset[] = "offset";
+static char __pyx_k__online[] = "online";
 static char __pyx_k__phrase[] = "phrase";
 static char __pyx_k__q3sort[] = "q3sort";
 static char __pyx_k__sa_low[] = "sa_low";
@@ -2649,15 +2940,23 @@ static char __pyx_k__unlink[] = "unlink";
 static char __pyx_k__Counter[] = "Counter";
 static char __pyx_k__advance[] = "advance";
 static char __pyx_k__arr_low[] = "arr_low";
+static char __pyx_k__bilex_e[] = "bilex_e";
+static char __pyx_k__bilex_f[] = "bilex_f";
 static char __pyx_k__collect[] = "collect";
+static char __pyx_k__e_words[] = "e_words";
 static char __pyx_k__edarray[] = "edarray";
 static char __pyx_k__ephrase[] = "ephrase";
+static char __pyx_k__extract[] = "extract";
+static char __pyx_k__f_words[] = "f_words";
 static char __pyx_k__fphrase[] = "fphrase";
 static char __pyx_k__fsarray[] = "fsarray";
 static char __pyx_k__genexpr[] = "genexpr";
 static char __pyx_k__lattice[] = "lattice";
 static char __pyx_k__logging[] = "logging";
 static char __pyx_k__matches[] = "matches";
+static char __pyx_k__new_e_i[] = "new_e_i";
+static char __pyx_k__new_e_j[] = "new_e_j";
+static char __pyx_k__nt_open[] = "nt_open";
 static char __pyx_k__pathlen[] = "pathlen";
 static char __pyx_k__sa_high[] = "sa_high";
 static char __pyx_k__sampler[] = "sampler";
@@ -2669,11 +2968,13 @@ static char __pyx_k____name__[] = "__name__";
 static char __pyx_k____test__[] = "__test__";
 static char __pyx_k___columns[] = "_columns";
 static char __pyx_k__arr_high[] = "arr_high";
+static char __pyx_k__bilex_fe[] = "bilex_fe";
 static char __pyx_k__category[] = "category";
 static char __pyx_k__children[] = "children";
 static char __pyx_k__curr_idx[] = "curr_idx";
 static char __pyx_k__extended[] = "extended";
 static char __pyx_k__filename[] = "filename";
+static char __pyx_k__fmt_rule[] = "fmt_rule";
 static char __pyx_k__frontier[] = "frontier";
 static char __pyx_k__get_e_id[] = "get_e_id";
 static char __pyx_k__get_f_id[] = "get_f_id";
@@ -2684,6 +2985,8 @@ static char __pyx_k__resource[] = "resource";
 static char __pyx_k__ru_stime[] = "ru_stime";
 static char __pyx_k__ru_utime[] = "ru_utime";
 static char __pyx_k__shortest[] = "shortest";
+static char __pyx_k__span_dec[] = "span_dec";
+static char __pyx_k__span_inc[] = "span_inc";
 static char __pyx_k__word_ids[] = "word_ids";
 static char __pyx_k__Exception[] = "Exception";
 static char __pyx_k__INCREMENT[] = "INCREMENT";
@@ -2691,6 +2994,7 @@ static char __pyx_k__TypeError[] = "TypeError";
 static char __pyx_k____enter__[] = "__enter__";
 static char __pyx_k__alignment[] = "alignment";
 static char __pyx_k__enumerate[] = "enumerate";
+static char __pyx_k__form_rule[] = "form_rule";
 static char __pyx_k__from_data[] = "from_data";
 static char __pyx_k__from_text[] = "from_text";
 static char __pyx_k__getLogger[] = "getLogger";
@@ -2698,6 +3002,9 @@ static char __pyx_k__getrusage[] = "getrusage";
 static char __pyx_k__increment[] = "increment";
 static char __pyx_k__iteritems[] = "iteritems";
 static char __pyx_k__itertools[] = "itertools";
+static char __pyx_k__min_bound[] = "min_bound";
+static char __pyx_k__new_lex_i[] = "new_lex_i";
+static char __pyx_k__new_lex_j[] = "new_lex_j";
 static char __pyx_k__paircount[] = "paircount";
 static char __pyx_k__partition[] = "partition";
 static char __pyx_k__reachable[] = "reachable";
@@ -2711,7 +3018,9 @@ static char __pyx_k__itervalues[] = "itervalues";
 static char __pyx_k__max_chunks[] = "max_chunks";
 static char __pyx_k__max_length[] = "max_length";
 static char __pyx_k__namedtuple[] = "namedtuple";
+static char __pyx_k__plus_links[] = "plus_links";
 static char __pyx_k__precompute[] = "precompute";
+static char __pyx_k__span_check[] = "span_check";
 static char __pyx_k__write_text[] = "write_text";
 static char __pyx_k__END_OF_FILE[] = "END_OF_FILE";
 static char __pyx_k__END_OF_LINE[] = "END_OF_LINE";
@@ -2723,6 +3032,7 @@ static char __pyx_k__initial_len[] = "initial_len";
 static char __pyx_k__input_match[] = "input_match";
 static char __pyx_k__monitor_cpu[] = "monitor_cpu";
 static char __pyx_k__next_states[] = "next_states";
+static char __pyx_k__old_last_nt[] = "old_last_nt";
 static char __pyx_k__precomputed[] = "precomputed";
 static char __pyx_k__read_binary[] = "read_binary";
 static char __pyx_k__read_bitext[] = "read_bitext";
@@ -2730,13 +3040,18 @@ static char __pyx_k__sample_size[] = "sample_size";
 static char __pyx_k__suffix_link[] = "suffix_link";
 static char __pyx_k__use_sent_id[] = "use_sent_id";
 static char __pyx_k___doquicksort[] = "_doquicksort";
+static char __pyx_k__decode_words[] = "decode_words";
+static char __pyx_k__encode_words[] = "encode_words";
 static char __pyx_k__gzip_or_text[] = "gzip_or_text";
 static char __pyx_k__make_lattice[] = "make_lattice";
 static char __pyx_k__min_gap_size[] = "min_gap_size";
+static char __pyx_k__nt_collision[] = "nt_collision";
 static char __pyx_k__StopIteration[] = "StopIteration";
 static char __pyx_k__alphabet_size[] = "alphabet_size";
 static char __pyx_k__from_iterable[] = "from_iterable";
 static char __pyx_k__fsample_count[] = "fsample_count";
+static char __pyx_k__get_f_phrases[] = "get_f_phrases";
+static char __pyx_k__new_min_bound[] = "new_min_bound";
 static char __pyx_k__test_sentence[] = "test_sentence";
 static char __pyx_k__tight_phrases[] = "tight_phrases";
 static char __pyx_k__FeatureContext[] = "FeatureContext";
@@ -2757,8 +3072,10 @@ static char __pyx_k__max_initial_size[] = "max_initial_size";
 static char __pyx_k__max_nonterminals[] = "max_nonterminals";
 static char __pyx_k__reachable_buffer[] = "reachable_buffer";
 static char __pyx_k__use_collocations[] = "use_collocations";
+static char __pyx_k__dump_online_rules[] = "dump_online_rules";
 static char __pyx_k__max_target_chunks[] = "max_target_chunks";
 static char __pyx_k__max_target_length[] = "max_target_length";
+static char __pyx_k__online_ctx_lookup[] = "online_ctx_lookup";
 static char __pyx_k__train_min_gap_size[] = "train_min_gap_size";
 static char __pyx_k__pattern2phrase_plus[] = "pattern2phrase_plus";
 static PyObject *__pyx_kp_s_1;
@@ -2794,11 +3111,18 @@ static PyObject *__pyx_kp_s_131;
 static PyObject *__pyx_kp_s_132;
 static PyObject *__pyx_kp_s_133;
 static PyObject *__pyx_kp_s_134;
-static PyObject *__pyx_kp_s_135;
 static PyObject *__pyx_kp_s_137;
+static PyObject *__pyx_kp_s_138;
+static PyObject *__pyx_kp_s_139;
 static PyObject *__pyx_kp_s_14;
 static PyObject *__pyx_kp_s_140;
-static PyObject *__pyx_kp_s_144;
+static PyObject *__pyx_kp_s_142;
+static PyObject *__pyx_kp_s_146;
+static PyObject *__pyx_n_s_152;
+static PyObject *__pyx_kp_s_155;
+static PyObject *__pyx_kp_s_157;
+static PyObject *__pyx_kp_s_160;
+static PyObject *__pyx_kp_s_164;
 static PyObject *__pyx_kp_s_18;
 static PyObject *__pyx_kp_s_2;
 static PyObject *__pyx_kp_s_21;
@@ -2851,9 +3175,12 @@ static PyObject *__pyx_kp_s_95;
 static PyObject *__pyx_kp_s__0;
 static PyObject *__pyx_kp_s__1;
 static PyObject *__pyx_n_s__Counter;
+static PyObject *__pyx_n_s__E;
 static PyObject *__pyx_n_s__END_OF_FILE;
 static PyObject *__pyx_n_s__END_OF_LINE;
 static PyObject *__pyx_n_s__Exception;
+static PyObject *__pyx_n_s__F;
+static PyObject *__pyx_n_s__FE;
 static PyObject *__pyx_n_s__FeatureContext;
 static PyObject *__pyx_n_s__GzipFile;
 static PyObject *__pyx_n_s__INCREMENT;
@@ -2871,7 +3198,10 @@ static PyObject *__pyx_n_s____test__;
 static PyObject *__pyx_n_s___columns;
 static PyObject *__pyx_n_s___doquicksort;
 static PyObject *__pyx_n_s___sa;
+static PyObject *__pyx_n_s__a;
+static PyObject *__pyx_n_s__add;
 static PyObject *__pyx_n_s__advance;
+static PyObject *__pyx_n_s__al;
 static PyObject *__pyx_n_s__alignment;
 static PyObject *__pyx_n_s__alignments;
 static PyObject *__pyx_n_s__alphabet_size;
@@ -2879,6 +3209,9 @@ static PyObject *__pyx_n_s__arity;
 static PyObject *__pyx_n_s__arr;
 static PyObject *__pyx_n_s__arr_high;
 static PyObject *__pyx_n_s__arr_low;
+static PyObject *__pyx_n_s__bilex_e;
+static PyObject *__pyx_n_s__bilex_f;
+static PyObject *__pyx_n_s__bilex_fe;
 static PyObject *__pyx_n_s__by_slack_factor;
 static PyObject *__pyx_n_s__category;
 static PyObject *__pyx_n_s__chain;
@@ -2891,22 +3224,38 @@ static PyObject *__pyx_n_s__curr_idx;
 static PyObject *__pyx_n_s__debug;
 static PyObject *__pyx_n_s__decode_lattice;
 static PyObject *__pyx_n_s__decode_sentence;
+static PyObject *__pyx_n_s__decode_words;
 static PyObject *__pyx_n_s__defaultdict;
 static PyObject *__pyx_n_s__dist;
+static PyObject *__pyx_n_s__dump_online_rules;
 static PyObject *__pyx_n_s__e;
+static PyObject *__pyx_n_s__e_i;
+static PyObject *__pyx_n_s__e_j;
+static PyObject *__pyx_n_s__e_span;
 static PyObject *__pyx_n_s__e_text;
+static PyObject *__pyx_n_s__e_words;
 static PyObject *__pyx_n_s__earray;
 static PyObject *__pyx_n_s__edarray;
+static PyObject *__pyx_n_s__encode_words;
 static PyObject *__pyx_n_s__end;
 static PyObject *__pyx_n_s__enumerate;
 static PyObject *__pyx_n_s__ephrase;
 static PyObject *__pyx_n_s__eword;
 static PyObject *__pyx_n_s__extend;
 static PyObject *__pyx_n_s__extended;
+static PyObject *__pyx_n_s__extract;
 static PyObject *__pyx_n_s__f;
+static PyObject *__pyx_n_s__f_i;
+static PyObject *__pyx_n_s__f_j;
+static PyObject *__pyx_n_s__f_span;
 static PyObject *__pyx_n_s__f_text;
+static PyObject *__pyx_n_s__f_words;
 static PyObject *__pyx_n_s__fcount;
+static PyObject *__pyx_n_s__fe;
 static PyObject *__pyx_n_s__filename;
+static PyObject *__pyx_n_s__fmt_rule;
+static PyObject *__pyx_n_s__form_rule;
+static PyObject *__pyx_n_s__format;
 static PyObject *__pyx_n_s__fphrase;
 static PyObject *__pyx_n_s__from_binary;
 static PyObject *__pyx_n_s__from_data;
@@ -2920,9 +3269,11 @@ static PyObject *__pyx_n_s__fword;
 static PyObject *__pyx_n_s__fwords;
 static PyObject *__pyx_n_s__gc;
 static PyObject *__pyx_n_s__genexpr;
+static PyObject *__pyx_n_s__get;
 static PyObject *__pyx_n_s__getLogger;
 static PyObject *__pyx_n_s__get_e_id;
 static PyObject *__pyx_n_s__get_f_id;
+static PyObject *__pyx_n_s__get_f_phrases;
 static PyObject *__pyx_n_s__get_id;
 static PyObject *__pyx_n_s__get_next_states;
 static PyObject *__pyx_n_s__get_word;
@@ -2942,15 +3293,23 @@ static PyObject *__pyx_n_s__input_match;
 static PyObject *__pyx_n_s__input_span;
 static PyObject *__pyx_n_s__insert;
 static PyObject *__pyx_n_s__isa;
+static PyObject *__pyx_n_s__isvar;
 static PyObject *__pyx_n_s__iteritems;
 static PyObject *__pyx_n_s__itertools;
 static PyObject *__pyx_n_s__itervalues;
 static PyObject *__pyx_n_s__ito;
 static PyObject *__pyx_n_s__j;
 static PyObject *__pyx_n_s__join;
+static PyObject *__pyx_n_s__k;
 static PyObject *__pyx_n_s__key;
 static PyObject *__pyx_n_s__lattice;
+static PyObject *__pyx_n_s__lex_i;
+static PyObject *__pyx_n_s__lex_j;
 static PyObject *__pyx_n_s__lhs;
+static PyObject *__pyx_n_s__link;
+static PyObject *__pyx_n_s__link_i;
+static PyObject *__pyx_n_s__link_j;
+static PyObject *__pyx_n_s__links;
 static PyObject *__pyx_n_s__logger;
 static PyObject *__pyx_n_s__logging;
 static PyObject *__pyx_n_s__lookup;
@@ -2967,14 +3326,27 @@ static PyObject *__pyx_n_s__max_target_chunks;
 static PyObject *__pyx_n_s__max_target_length;
 static PyObject *__pyx_n_s__merge;
 static PyObject *__pyx_n_s__meta;
+static PyObject *__pyx_n_s__min_bound;
 static PyObject *__pyx_n_s__min_dist;
 static PyObject *__pyx_n_s__min_gap_size;
 static PyObject *__pyx_n_s__monitor_cpu;
 static PyObject *__pyx_n_s__name;
 static PyObject *__pyx_n_s__namedtuple;
+static PyObject *__pyx_n_s__new_e_i;
+static PyObject *__pyx_n_s__new_e_j;
+static PyObject *__pyx_n_s__new_lex_i;
+static PyObject *__pyx_n_s__new_lex_j;
+static PyObject *__pyx_n_s__new_min_bound;
 static PyObject *__pyx_n_s__next_states;
+static PyObject *__pyx_n_s__nt;
+static PyObject *__pyx_n_s__nt_collision;
+static PyObject *__pyx_n_s__nt_open;
+static PyObject *__pyx_n_s__ntc;
 static PyObject *__pyx_n_s__num_subpatterns;
 static PyObject *__pyx_n_s__offset;
+static PyObject *__pyx_n_s__old_last_nt;
+static PyObject *__pyx_n_s__online;
+static PyObject *__pyx_n_s__online_ctx_lookup;
 static PyObject *__pyx_n_s__open;
 static PyObject *__pyx_n_s__pad;
 static PyObject *__pyx_n_s__paircount;
@@ -2984,6 +3356,8 @@ static PyObject *__pyx_n_s__pattern2phrase;
 static PyObject *__pyx_n_s__pattern2phrase_plus;
 static PyObject *__pyx_n_s__phrase;
 static PyObject *__pyx_n_s__phrase_location;
+static PyObject *__pyx_n_s__plus_links;
+static PyObject *__pyx_n_s__pop;
 static PyObject *__pyx_n_s__precompute;
 static PyObject *__pyx_n_s__precompute_file;
 static PyObject *__pyx_n_s__precompute_rank;
@@ -3018,12 +3392,17 @@ static PyObject *__pyx_n_s__size;
 static PyObject *__pyx_n_s__skip;
 static PyObject *__pyx_n_s__sorted;
 static PyObject *__pyx_n_s__source;
+static PyObject *__pyx_n_s__span_check;
+static PyObject *__pyx_n_s__span_dec;
+static PyObject *__pyx_n_s__span_inc;
 static PyObject *__pyx_n_s__spanlen;
 static PyObject *__pyx_n_s__split;
 static PyObject *__pyx_n_s__start;
 static PyObject *__pyx_n_s__stats;
 static PyObject *__pyx_n_s__stop;
 static PyObject *__pyx_n_s__suffix_link;
+static PyObject *__pyx_n_s__sym;
+static PyObject *__pyx_n_s__syms;
 static PyObject *__pyx_n_s__test_sentence;
 static PyObject *__pyx_n_s__tight_phrases;
 static PyObject *__pyx_n_s__toMap;
@@ -3034,14 +3413,18 @@ static PyObject *__pyx_n_s__use_collocations;
 static PyObject *__pyx_n_s__use_index;
 static PyObject *__pyx_n_s__use_sent_id;
 static PyObject *__pyx_n_s__value;
+static PyObject *__pyx_n_s__vec;
 static PyObject *__pyx_n_s__w;
 static PyObject *__pyx_n_s__warn;
+static PyObject *__pyx_n_s__wc;
 static PyObject *__pyx_n_s__word;
 static PyObject *__pyx_n_s__word_alignments;
 static PyObject *__pyx_n_s__word_ids;
 static PyObject *__pyx_n_s__words;
 static PyObject *__pyx_n_s__write;
 static PyObject *__pyx_n_s__write_text;
+static PyObject *__pyx_n_s__x;
+static PyObject *__pyx_n_s__y;
 static PyObject *__pyx_n_s__zip;
 static PyObject *__pyx_int_0;
 static PyObject *__pyx_int_1;
@@ -3103,16 +3486,41 @@ static PyObject *__pyx_k_tuple_98;
 static PyObject *__pyx_k_tuple_102;
 static PyObject *__pyx_k_tuple_107;
 static PyObject *__pyx_k_tuple_122;
-static PyObject *__pyx_k_tuple_138;
+static PyObject *__pyx_k_tuple_135;
 static PyObject *__pyx_k_tuple_141;
-static PyObject *__pyx_k_tuple_142;
+static PyObject *__pyx_k_tuple_143;
+static PyObject *__pyx_k_tuple_144;
 static PyObject *__pyx_k_tuple_145;
 static PyObject *__pyx_k_tuple_147;
+static PyObject *__pyx_k_tuple_148;
+static PyObject *__pyx_k_tuple_149;
+static PyObject *__pyx_k_tuple_150;
+static PyObject *__pyx_k_tuple_151;
+static PyObject *__pyx_k_tuple_153;
+static PyObject *__pyx_k_tuple_158;
+static PyObject *__pyx_k_tuple_161;
+static PyObject *__pyx_k_tuple_162;
+static PyObject *__pyx_k_tuple_165;
+static PyObject *__pyx_k_tuple_167;
+static PyObject *__pyx_k_tuple_169;
+static PyObject *__pyx_k_tuple_171;
+static PyObject *__pyx_k_tuple_173;
+static PyObject *__pyx_k_tuple_176;
+static PyObject *__pyx_k_tuple_178;
+static PyObject *__pyx_k_tuple_180;
 static PyObject *__pyx_k_codeobj_136;
-static PyObject *__pyx_k_codeobj_139;
-static PyObject *__pyx_k_codeobj_143;
-static PyObject *__pyx_k_codeobj_146;
-static PyObject *__pyx_k_codeobj_148;
+static PyObject *__pyx_k_codeobj_154;
+static PyObject *__pyx_k_codeobj_156;
+static PyObject *__pyx_k_codeobj_159;
+static PyObject *__pyx_k_codeobj_163;
+static PyObject *__pyx_k_codeobj_166;
+static PyObject *__pyx_k_codeobj_168;
+static PyObject *__pyx_k_codeobj_170;
+static PyObject *__pyx_k_codeobj_172;
+static PyObject *__pyx_k_codeobj_174;
+static PyObject *__pyx_k_codeobj_177;
+static PyObject *__pyx_k_codeobj_179;
+static PyObject *__pyx_k_codeobj_181;
 
 /* Python wrapper */
 static PyObject *__pyx_pw_3_sa_1monitor_cpu(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
@@ -4524,7 +4932,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *
  *             ret += str(self.arr[idx])
  *         ret += "]"             # <<<<<<<<<<<<<<
  *         ret += "len="
- *         ret += self.len
+ *         ret += str(self.len)
  */
   __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_ret, ((PyObject *)__pyx_kp_s_5)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 27; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
@@ -4536,7 +4944,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *
  *             ret += str(self.arr[idx])
  *         ret += "]"
  *         ret += "len="             # <<<<<<<<<<<<<<
- *         ret += self.len
+ *         ret += str(self.len)
  *         return ret
  */
   __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_ret, ((PyObject *)__pyx_kp_s_6)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -4548,12 +4956,20 @@ static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *
   /* "/home/pauldb/workspace/cdec/python/src/sa/int_list.pxi":29
  *         ret += "]"
  *         ret += "len="
- *         ret += self.len             # <<<<<<<<<<<<<<
+ *         ret += str(self.len)             # <<<<<<<<<<<<<<
  *         return ret
  * 
  */
   __pyx_t_5 = PyInt_FromLong(__pyx_v_self->len); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_5);
+  __Pyx_GIVEREF(__pyx_t_5);
+  __pyx_t_5 = 0;
+  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
   __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_v_ret, __pyx_t_5); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
@@ -4563,7 +4979,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *
 
   /* "/home/pauldb/workspace/cdec/python/src/sa/int_list.pxi":30
  *         ret += "len="
- *         ret += self.len
+ *         ret += str(self.len)
  *         return ret             # <<<<<<<<<<<<<<
  * 
  *     def index(self, val):
@@ -23325,7 +23741,7 @@ static int __pyx_f_3_sa_sym_fromstring(char *__pyx_v_string, int __pyx_v_termina
  * cdef int sym_fromstring(char* string, bint terminal):
  *     return ALPHABET.fromstring(string, terminal)             # <<<<<<<<<<<<<<
  * 
- * def make_lattice(words):
+ * def isvar(sym):
  */
   __pyx_r = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_3_sa_ALPHABET->__pyx_vtab)->fromstring(__pyx_v_3_sa_ALPHABET, __pyx_v_string, __pyx_v_terminal);
   goto __pyx_L0;
@@ -23337,19 +23753,76 @@ static int __pyx_f_3_sa_sym_fromstring(char *__pyx_v_string, int __pyx_v_termina
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_5make_lattice(PyObject *__pyx_self, PyObject *__pyx_v_words); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_5make_lattice = {__Pyx_NAMESTR("make_lattice"), (PyCFunction)__pyx_pw_3_sa_5make_lattice, METH_O, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_5make_lattice(PyObject *__pyx_self, PyObject *__pyx_v_words) {
+static PyObject *__pyx_pw_3_sa_5isvar(PyObject *__pyx_self, PyObject *__pyx_v_sym); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_5isvar = {__Pyx_NAMESTR("isvar"), (PyCFunction)__pyx_pw_3_sa_5isvar, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_5isvar(PyObject *__pyx_self, PyObject *__pyx_v_sym) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("isvar (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_4isvar(__pyx_self, ((PyObject *)__pyx_v_sym));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":107
+ *     return ALPHABET.fromstring(string, terminal)
+ * 
+ * def isvar(sym):             # <<<<<<<<<<<<<<
+ *     return sym_isvar(sym)
+ * 
+ */
+
+static PyObject *__pyx_pf_3_sa_4isvar(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_sym) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_t_1;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("isvar", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":108
+ * 
+ * def isvar(sym):
+ *     return sym_isvar(sym)             # <<<<<<<<<<<<<<
+ * 
+ * def make_lattice(words):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_sym); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyInt_FromLong(__pyx_f_3_sa_sym_isvar(__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_r = __pyx_t_2;
+  __pyx_t_2 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_AddTraceback("_sa.isvar", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_7make_lattice(PyObject *__pyx_self, PyObject *__pyx_v_words); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_7make_lattice = {__Pyx_NAMESTR("make_lattice"), (PyCFunction)__pyx_pw_3_sa_7make_lattice, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_7make_lattice(PyObject *__pyx_self, PyObject *__pyx_v_words) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("make_lattice (wrapper)", 0);
-  __pyx_r = __pyx_pf_3_sa_4make_lattice(__pyx_self, ((PyObject *)__pyx_v_words));
+  __pyx_r = __pyx_pf_3_sa_6make_lattice(__pyx_self, ((PyObject *)__pyx_v_words));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":108
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
  * 
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
@@ -23375,7 +23848,7 @@ static PyObject *__pyx_pf_3_sa_12make_lattice_genexpr(PyObject *__pyx_self) {
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12make_lattice_2generator7, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12make_lattice_2generator7, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -23412,13 +23885,13 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject
     return NULL;
   }
   __pyx_L3_first_run:;
-  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words)) { __Pyx_RaiseClosureNameError("words"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words)) { __Pyx_RaiseClosureNameError("words"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
   if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words)) {
     __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_words; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -23426,23 +23899,23 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -23453,8 +23926,8 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_cur_scope->__pyx_v_word = __pyx_t_4;
     __pyx_t_4 = 0;
-    __pyx_t_5 = PyBytes_AsString(__pyx_cur_scope->__pyx_v_word); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_fromstring(__pyx_t_5, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyBytes_AsString(__pyx_cur_scope->__pyx_v_word); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_fromstring(__pyx_t_5, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __pyx_r = __pyx_t_4;
     __pyx_t_4 = 0;
@@ -23473,7 +23946,7 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject
     __Pyx_XGOTREF(__pyx_t_1);
     __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
     __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
-    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   PyErr_SetNone(PyExc_StopIteration);
@@ -23491,7 +23964,7 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_2generator7(__pyx_GeneratorObject
 }
 static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":109
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)             # <<<<<<<<<<<<<<
@@ -23517,7 +23990,7 @@ static PyObject *__pyx_pf_3_sa_12make_lattice_3genexpr(PyObject *__pyx_self) {
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12make_lattice_5generator8, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12make_lattice_5generator8, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -23554,13 +24027,13 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
     return NULL;
   }
   __pyx_L3_first_run:;
-  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids)) { __Pyx_RaiseClosureNameError("word_ids"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids)) { __Pyx_RaiseClosureNameError("word_ids"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
   if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids)) {
     __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_word_ids); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -23568,23 +24041,23 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -23595,7 +24068,7 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_cur_scope->__pyx_v_word = __pyx_t_4;
     __pyx_t_4 = 0;
-    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_INCREF(__pyx_cur_scope->__pyx_v_word);
     PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_cur_scope->__pyx_v_word);
@@ -23606,7 +24079,7 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
     __Pyx_INCREF(__pyx_int_1);
     PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_int_1);
     __Pyx_GIVEREF(__pyx_int_1);
-    __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)__pyx_t_4));
     __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
@@ -23628,7 +24101,7 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
     __Pyx_XGOTREF(__pyx_t_1);
     __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
     __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
-    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   PyErr_SetNone(PyExc_StopIteration);
@@ -23646,15 +24119,15 @@ static PyObject *__pyx_gb_3_sa_12make_lattice_5generator8(__pyx_GeneratorObject
   return NULL;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":107
- *     return ALPHABET.fromstring(string, terminal)
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":110
+ *     return sym_isvar(sym)
  * 
  * def make_lattice(words):             # <<<<<<<<<<<<<<
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)
  */
 
-static PyObject *__pyx_pf_3_sa_4make_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words) {
+static PyObject *__pyx_pf_3_sa_6make_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words) {
   struct __pyx_obj_3_sa___pyx_scope_struct_4_make_lattice *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -23674,20 +24147,20 @@ static PyObject *__pyx_pf_3_sa_4make_lattice(CYTHON_UNUSED PyObject *__pyx_self,
   __Pyx_INCREF(__pyx_cur_scope->__pyx_v_words);
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_words);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":108
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
  * 
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
  *     return tuple(((word, None, 1), ) for word in word_ids)
  * 
  */
-  __pyx_t_1 = __pyx_pf_3_sa_12make_lattice_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __pyx_pf_3_sa_12make_lattice_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_cur_scope->__pyx_v_word_ids = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":109
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
  * def make_lattice(words):
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)             # <<<<<<<<<<<<<<
@@ -23695,14 +24168,14 @@ static PyObject *__pyx_pf_3_sa_4make_lattice(CYTHON_UNUSED PyObject *__pyx_self,
  * def decode_lattice(lattice):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_pf_3_sa_12make_lattice_3genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __pyx_pf_3_sa_12make_lattice_3genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
   __pyx_r = __pyx_t_1;
@@ -23724,19 +24197,19 @@ static PyObject *__pyx_pf_3_sa_4make_lattice(CYTHON_UNUSED PyObject *__pyx_self,
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_7decode_lattice(PyObject *__pyx_self, PyObject *__pyx_v_lattice); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_7decode_lattice = {__Pyx_NAMESTR("decode_lattice"), (PyCFunction)__pyx_pw_3_sa_7decode_lattice, METH_O, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_7decode_lattice(PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
+static PyObject *__pyx_pw_3_sa_9decode_lattice(PyObject *__pyx_self, PyObject *__pyx_v_lattice); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_9decode_lattice = {__Pyx_NAMESTR("decode_lattice"), (PyCFunction)__pyx_pw_3_sa_9decode_lattice, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_9decode_lattice(PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("decode_lattice (wrapper)", 0);
-  __pyx_r = __pyx_pf_3_sa_6decode_lattice(__pyx_self, ((PyObject *)__pyx_v_lattice));
+  __pyx_r = __pyx_pf_3_sa_8decode_lattice(__pyx_self, ((PyObject *)__pyx_v_lattice));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
  * 
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc             # <<<<<<<<<<<<<<
@@ -23762,7 +24235,7 @@ static PyObject *__pyx_pf_3_sa_14decode_lattice_genexpr(PyObject *__pyx_self) {
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_14decode_lattice_2generator9, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_14decode_lattice_2generator9, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -23808,27 +24281,27 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
     return NULL;
   }
   __pyx_L3_first_run:;
-  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":113
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":116
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc
  *             for arc in node for node in lattice)             # <<<<<<<<<<<<<<
  * 
  * def decode_sentence(lattice):
  */
-  if (unlikely(!__pyx_cur_scope->__pyx_v_arc)) { __Pyx_RaiseUnboundLocalError("arc"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (unlikely(!__pyx_cur_scope->__pyx_v_arc)) { __Pyx_RaiseUnboundLocalError("arc"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
   if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_arc) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_arc)) {
     __pyx_t_1 = __pyx_cur_scope->__pyx_v_arc; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_arc); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_arc); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
   for (;;) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
+    /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
  * 
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc             # <<<<<<<<<<<<<<
@@ -23838,23 +24311,23 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -23870,7 +24343,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       if (unlikely(size != 3)) {
         if (size > 3) __Pyx_RaiseTooManyValuesError(3);
         else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
@@ -23886,15 +24359,15 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       __Pyx_INCREF(__pyx_t_6);
       __Pyx_INCREF(__pyx_t_7);
       #else
-      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_7 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     } else
     {
       Py_ssize_t index = -1;
-      __pyx_t_8 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_t_9 = Py_TYPE(__pyx_t_8)->tp_iternext;
@@ -23904,7 +24377,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       __Pyx_GOTREF(__pyx_t_6);
       index = 2; __pyx_t_7 = __pyx_t_9(__pyx_t_8); if (unlikely(!__pyx_t_7)) goto __pyx_L6_unpacking_failed;
       __Pyx_GOTREF(__pyx_t_7);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_9(__pyx_t_8), 3) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_9(__pyx_t_8), 3) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_9 = NULL;
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       goto __pyx_L7_unpacking_done;
@@ -23912,7 +24385,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       __pyx_t_9 = NULL;
       if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L7_unpacking_done:;
     }
     __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_sym);
@@ -23931,19 +24404,19 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
     __pyx_cur_scope->__pyx_v_dist = __pyx_t_7;
     __pyx_t_7 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":113
+    /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":116
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc
  *             for arc in node for node in lattice)             # <<<<<<<<<<<<<<
  * 
  * def decode_sentence(lattice):
  */
-    if (unlikely(!__pyx_cur_scope->__pyx_v_node)) { __Pyx_RaiseUnboundLocalError("node"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    if (unlikely(!__pyx_cur_scope->__pyx_v_node)) { __Pyx_RaiseUnboundLocalError("node"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
     if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_node) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_node)) {
       __pyx_t_4 = __pyx_cur_scope->__pyx_v_node; __Pyx_INCREF(__pyx_t_4); __pyx_t_10 = 0;
       __pyx_t_11 = NULL;
     } else {
-      __pyx_t_10 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_node); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_node); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __pyx_t_11 = Py_TYPE(__pyx_t_4)->tp_iternext;
     }
@@ -23951,23 +24424,23 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       if (!__pyx_t_11 && PyList_CheckExact(__pyx_t_4)) {
         if (__pyx_t_10 >= PyList_GET_SIZE(__pyx_t_4)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_7 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_10); __Pyx_INCREF(__pyx_t_7); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_10); __Pyx_INCREF(__pyx_t_7); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_7 = PySequence_ITEM(__pyx_t_4, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PySequence_ITEM(__pyx_t_4, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else if (!__pyx_t_11 && PyTuple_CheckExact(__pyx_t_4)) {
         if (__pyx_t_10 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_10); __Pyx_INCREF(__pyx_t_7); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_10); __Pyx_INCREF(__pyx_t_7); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_7 = PySequence_ITEM(__pyx_t_4, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PySequence_ITEM(__pyx_t_4, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else {
         __pyx_t_7 = __pyx_t_11(__pyx_t_4);
         if (unlikely(!__pyx_t_7)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           break;
         }
@@ -23978,12 +24451,12 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
       __Pyx_GIVEREF(__pyx_t_7);
       __pyx_cur_scope->__pyx_v_arc = __pyx_t_7;
       __pyx_t_7 = 0;
-      if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) { __Pyx_RaiseClosureNameError("lattice"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) { __Pyx_RaiseClosureNameError("lattice"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
       if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) {
         __pyx_t_7 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice; __Pyx_INCREF(__pyx_t_7); __pyx_t_12 = 0;
         __pyx_t_13 = NULL;
       } else {
-        __pyx_t_12 = -1; __pyx_t_7 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = -1; __pyx_t_7 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __pyx_t_13 = Py_TYPE(__pyx_t_7)->tp_iternext;
       }
@@ -23991,23 +24464,23 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
         if (!__pyx_t_13 && PyList_CheckExact(__pyx_t_7)) {
           if (__pyx_t_12 >= PyList_GET_SIZE(__pyx_t_7)) break;
           #if CYTHON_COMPILING_IN_CPYTHON
-          __pyx_t_6 = PyList_GET_ITEM(__pyx_t_7, __pyx_t_12); __Pyx_INCREF(__pyx_t_6); __pyx_t_12++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_6 = PyList_GET_ITEM(__pyx_t_7, __pyx_t_12); __Pyx_INCREF(__pyx_t_6); __pyx_t_12++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           #else
-          __pyx_t_6 = PySequence_ITEM(__pyx_t_7, __pyx_t_12); __pyx_t_12++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_6 = PySequence_ITEM(__pyx_t_7, __pyx_t_12); __pyx_t_12++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           #endif
         } else if (!__pyx_t_13 && PyTuple_CheckExact(__pyx_t_7)) {
           if (__pyx_t_12 >= PyTuple_GET_SIZE(__pyx_t_7)) break;
           #if CYTHON_COMPILING_IN_CPYTHON
-          __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_7, __pyx_t_12); __Pyx_INCREF(__pyx_t_6); __pyx_t_12++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_7, __pyx_t_12); __Pyx_INCREF(__pyx_t_6); __pyx_t_12++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           #else
-          __pyx_t_6 = PySequence_ITEM(__pyx_t_7, __pyx_t_12); __pyx_t_12++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_6 = PySequence_ITEM(__pyx_t_7, __pyx_t_12); __pyx_t_12++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           #endif
         } else {
           __pyx_t_6 = __pyx_t_13(__pyx_t_7);
           if (unlikely(!__pyx_t_6)) {
             if (PyErr_Occurred()) {
               if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-              else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             }
             break;
           }
@@ -24019,17 +24492,17 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
         __pyx_cur_scope->__pyx_v_node = __pyx_t_6;
         __pyx_t_6 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
+        /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
  * 
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc             # <<<<<<<<<<<<<<
  *             for arc in node for node in lattice)
  * 
  */
-        __pyx_t_14 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_sym); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __pyx_t_6 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_14)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_14 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_sym); if (unlikely((__pyx_t_14 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_14)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(((PyObject *)__pyx_t_6));
-        __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
         PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)__pyx_t_6));
         __Pyx_GIVEREF(((PyObject *)__pyx_t_6));
@@ -24075,7 +24548,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
         __pyx_t_11 = __pyx_cur_scope->__pyx_t_6;
         __pyx_t_12 = __pyx_cur_scope->__pyx_t_7;
         __pyx_t_13 = __pyx_cur_scope->__pyx_t_8;
-        if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
     }
@@ -24100,7 +24573,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
   return NULL;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":114
  *     return tuple(((word, None, 1), ) for word in word_ids)
  * 
  * def decode_lattice(lattice):             # <<<<<<<<<<<<<<
@@ -24108,7 +24581,7 @@ static PyObject *__pyx_gb_3_sa_14decode_lattice_2generator9(__pyx_GeneratorObjec
  *             for arc in node for node in lattice)
  */
 
-static PyObject *__pyx_pf_3_sa_6decode_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
+static PyObject *__pyx_pf_3_sa_8decode_lattice(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
   struct __pyx_obj_3_sa___pyx_scope_struct_7_decode_lattice *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -24128,7 +24601,7 @@ static PyObject *__pyx_pf_3_sa_6decode_lattice(CYTHON_UNUSED PyObject *__pyx_sel
   __Pyx_INCREF(__pyx_cur_scope->__pyx_v_lattice);
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_lattice);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":112
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
  * 
  * def decode_lattice(lattice):
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc             # <<<<<<<<<<<<<<
@@ -24136,14 +24609,14 @@ static PyObject *__pyx_pf_3_sa_6decode_lattice(CYTHON_UNUSED PyObject *__pyx_sel
  * 
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_pf_3_sa_14decode_lattice_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __pyx_pf_3_sa_14decode_lattice_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
   __pyx_r = __pyx_t_1;
@@ -24165,22 +24638,24 @@ static PyObject *__pyx_pf_3_sa_6decode_lattice(CYTHON_UNUSED PyObject *__pyx_sel
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_9decode_sentence(PyObject *__pyx_self, PyObject *__pyx_v_lattice); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_9decode_sentence = {__Pyx_NAMESTR("decode_sentence"), (PyCFunction)__pyx_pw_3_sa_9decode_sentence, METH_O, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_9decode_sentence(PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
+static PyObject *__pyx_pw_3_sa_11decode_sentence(PyObject *__pyx_self, PyObject *__pyx_v_lattice); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_11decode_sentence = {__Pyx_NAMESTR("decode_sentence"), (PyCFunction)__pyx_pw_3_sa_11decode_sentence, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_11decode_sentence(PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("decode_sentence (wrapper)", 0);
-  __pyx_r = __pyx_pf_3_sa_8decode_sentence(__pyx_self, ((PyObject *)__pyx_v_lattice));
+  __pyx_r = __pyx_pf_3_sa_10decode_sentence(__pyx_self, ((PyObject *)__pyx_v_lattice));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":116
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":119
  * 
  * def decode_sentence(lattice):
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)             # <<<<<<<<<<<<<<
+ * 
+ * def encode_words(words):
  */
 
 static PyObject *__pyx_pf_3_sa_15decode_sentence_genexpr(PyObject *__pyx_self) {
@@ -24201,7 +24676,7 @@ static PyObject *__pyx_pf_3_sa_15decode_sentence_genexpr(PyObject *__pyx_self) {
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_15decode_sentence_2generator10, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_15decode_sentence_2generator10, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -24244,13 +24719,13 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
     return NULL;
   }
   __pyx_L3_first_run:;
-  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) { __Pyx_RaiseClosureNameError("lattice"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) { __Pyx_RaiseClosureNameError("lattice"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
   if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice)) {
     __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_lattice); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -24258,23 +24733,23 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -24290,7 +24765,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       if (unlikely(size != 1)) {
         if (size > 1) __Pyx_RaiseTooManyValuesError(1);
         else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
@@ -24300,19 +24775,19 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       }
       __Pyx_INCREF(__pyx_t_5);
       #else
-      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     } else
     {
       Py_ssize_t index = -1;
-      __pyx_t_6 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_t_7 = Py_TYPE(__pyx_t_6)->tp_iternext;
       index = 0; __pyx_t_5 = __pyx_t_7(__pyx_t_6); if (unlikely(!__pyx_t_5)) goto __pyx_L6_unpacking_failed;
       __Pyx_GOTREF(__pyx_t_5);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_7(__pyx_t_6), 1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_7(__pyx_t_6), 1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_7 = NULL;
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       goto __pyx_L7_unpacking_done;
@@ -24320,7 +24795,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       __pyx_t_7 = NULL;
       if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L7_unpacking_done:;
     }
     if ((likely(PyTuple_CheckExact(__pyx_t_5))) || (PyList_CheckExact(__pyx_t_5))) {
@@ -24333,7 +24808,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       if (unlikely(size != 3)) {
         if (size > 3) __Pyx_RaiseTooManyValuesError(3);
         else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
@@ -24349,15 +24824,15 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       __Pyx_INCREF(__pyx_t_8);
       __Pyx_INCREF(__pyx_t_9);
       #else
-      __pyx_t_6 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_8 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_9 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     } else
     {
       Py_ssize_t index = -1;
-      __pyx_t_10 = PyObject_GetIter(__pyx_t_5); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PyObject_GetIter(__pyx_t_5); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_10);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __pyx_t_7 = Py_TYPE(__pyx_t_10)->tp_iternext;
@@ -24367,7 +24842,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       __Pyx_GOTREF(__pyx_t_8);
       index = 2; __pyx_t_9 = __pyx_t_7(__pyx_t_10); if (unlikely(!__pyx_t_9)) goto __pyx_L8_unpacking_failed;
       __Pyx_GOTREF(__pyx_t_9);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_7(__pyx_t_10), 3) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_7(__pyx_t_10), 3) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_7 = NULL;
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       goto __pyx_L9_unpacking_done;
@@ -24375,7 +24850,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       __pyx_t_7 = NULL;
       if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L9_unpacking_done:;
     }
     __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_sym);
@@ -24393,8 +24868,8 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
     __Pyx_GIVEREF(__pyx_t_9);
     __pyx_cur_scope->__pyx_v__ = __pyx_t_9;
     __pyx_t_9 = 0;
-    __pyx_t_11 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_sym); if (unlikely((__pyx_t_11 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_11)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_sym); if (unlikely((__pyx_t_11 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_11)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_4));
     __pyx_r = ((PyObject *)__pyx_t_4);
     __pyx_t_4 = 0;
@@ -24413,7 +24888,7 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
     __Pyx_XGOTREF(__pyx_t_1);
     __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
     __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
-    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   PyErr_SetNone(PyExc_StopIteration);
@@ -24435,14 +24910,15 @@ static PyObject *__pyx_gb_3_sa_15decode_sentence_2generator10(__pyx_GeneratorObj
   return NULL;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":118
  *             for arc in node for node in lattice)
  * 
  * def decode_sentence(lattice):             # <<<<<<<<<<<<<<
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
  */
 
-static PyObject *__pyx_pf_3_sa_8decode_sentence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
+static PyObject *__pyx_pf_3_sa_10decode_sentence(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_lattice) {
   struct __pyx_obj_3_sa___pyx_scope_struct_9_decode_sentence *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -24462,20 +24938,22 @@ static PyObject *__pyx_pf_3_sa_8decode_sentence(CYTHON_UNUSED PyObject *__pyx_se
   __Pyx_INCREF(__pyx_cur_scope->__pyx_v_lattice);
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_lattice);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":116
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":119
  * 
  * def decode_sentence(lattice):
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)             # <<<<<<<<<<<<<<
+ * 
+ * def encode_words(words):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __pyx_pf_3_sa_15decode_sentence_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __pyx_pf_3_sa_15decode_sentence_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
   __pyx_r = __pyx_t_1;
@@ -24497,6 +24975,437 @@ static PyObject *__pyx_pf_3_sa_8decode_sentence(CYTHON_UNUSED PyObject *__pyx_se
 }
 
 /* Python wrapper */
+static PyObject *__pyx_pw_3_sa_13encode_words(PyObject *__pyx_self, PyObject *__pyx_v_words); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_13encode_words = {__Pyx_NAMESTR("encode_words"), (PyCFunction)__pyx_pw_3_sa_13encode_words, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_13encode_words(PyObject *__pyx_self, PyObject *__pyx_v_words) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("encode_words (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_12encode_words(__pyx_self, ((PyObject *)__pyx_v_words));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static PyObject *__pyx_gb_3_sa_12encode_words_2generator11(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":122
+ * 
+ * def encode_words(words):
+ *     return tuple(sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
+ * 
+ * def decode_words(syms):
+ */
+
+static PyObject *__pyx_pf_3_sa_12encode_words_genexpr(PyObject *__pyx_self) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("genexpr", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_12_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_12_genexpr, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *) __pyx_self;
+  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
+  {
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12encode_words_2generator11, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_cur_scope);
+    __Pyx_RefNannyFinishContext();
+    return (PyObject *) gen;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("_sa.encode_words.genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_gb_3_sa_12encode_words_2generator11(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+{
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)__pyx_generator->closure);
+  PyObject *__pyx_r = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  char *__pyx_t_5;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("None", 0);
+  switch (__pyx_generator->resume_label) {
+    case 0: goto __pyx_L3_first_run;
+    case 1: goto __pyx_L6_resume_from_yield;
+    default: /* CPython raises the right error here */
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __pyx_L3_first_run:;
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words)) { __Pyx_RaiseClosureNameError("words"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words)) {
+    __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_words; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_words); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_word);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_word);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_cur_scope->__pyx_v_word = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_5 = PyBytes_AsString(__pyx_cur_scope->__pyx_v_word); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_fromstring(__pyx_t_5, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_r = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __Pyx_XGIVEREF(__pyx_t_1);
+    __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+    __pyx_cur_scope->__pyx_t_1 = __pyx_t_2;
+    __pyx_cur_scope->__pyx_t_2 = __pyx_t_3;
+    __Pyx_XGIVEREF(__pyx_r);
+    __Pyx_RefNannyFinishContext();
+    /* return from generator, yielding value */
+    __pyx_generator->resume_label = 1;
+    return __pyx_r;
+    __pyx_L6_resume_from_yield:;
+    __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+    __pyx_cur_scope->__pyx_t_0 = 0;
+    __Pyx_XGOTREF(__pyx_t_1);
+    __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
+    __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  PyErr_SetNone(PyExc_StopIteration);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":121
+ *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
+ * def encode_words(words):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ */
+
+static PyObject *__pyx_pf_3_sa_12encode_words(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_words) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("encode_words", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)__pyx_ptype_3_sa___pyx_scope_struct_11_encode_words->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_11_encode_words, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_words = __pyx_v_words;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_words);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_words);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":122
+ * 
+ * def encode_words(words):
+ *     return tuple(sym_fromstring(word, True) for word in words)             # <<<<<<<<<<<<<<
+ * 
+ * def decode_words(syms):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __pyx_pf_3_sa_12encode_words_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_AddTraceback("_sa.encode_words", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_15decode_words(PyObject *__pyx_self, PyObject *__pyx_v_syms); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_15decode_words = {__Pyx_NAMESTR("decode_words"), (PyCFunction)__pyx_pw_3_sa_15decode_words, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_15decode_words(PyObject *__pyx_self, PyObject *__pyx_v_syms) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("decode_words (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_14decode_words(__pyx_self, ((PyObject *)__pyx_v_syms));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static PyObject *__pyx_gb_3_sa_12decode_words_2generator12(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":125
+ * 
+ * def decode_words(syms):
+ *     return tuple(sym_tostring(sym) for sym in syms)             # <<<<<<<<<<<<<<
+ */
+
+static PyObject *__pyx_pf_3_sa_12decode_words_genexpr(PyObject *__pyx_self) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("genexpr", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_14_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_14_genexpr, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *) __pyx_self;
+  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
+  {
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_12decode_words_2generator12, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_cur_scope);
+    __Pyx_RefNannyFinishContext();
+    return (PyObject *) gen;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("_sa.decode_words.genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_gb_3_sa_12decode_words_2generator12(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+{
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)__pyx_generator->closure);
+  PyObject *__pyx_r = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("None", 0);
+  switch (__pyx_generator->resume_label) {
+    case 0: goto __pyx_L3_first_run;
+    case 1: goto __pyx_L6_resume_from_yield;
+    default: /* CPython raises the right error here */
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __pyx_L3_first_run:;
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_syms)) { __Pyx_RaiseClosureNameError("syms"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_syms) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_syms)) {
+    __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_syms; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_syms); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_sym);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_sym);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_cur_scope->__pyx_v_sym = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_5 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_sym); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(((PyObject *)__pyx_t_4));
+    __pyx_r = ((PyObject *)__pyx_t_4);
+    __pyx_t_4 = 0;
+    __Pyx_XGIVEREF(__pyx_t_1);
+    __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+    __pyx_cur_scope->__pyx_t_1 = __pyx_t_2;
+    __pyx_cur_scope->__pyx_t_2 = __pyx_t_3;
+    __Pyx_XGIVEREF(__pyx_r);
+    __Pyx_RefNannyFinishContext();
+    /* return from generator, yielding value */
+    __pyx_generator->resume_label = 1;
+    return __pyx_r;
+    __pyx_L6_resume_from_yield:;
+    __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+    __pyx_cur_scope->__pyx_t_0 = 0;
+    __Pyx_XGOTREF(__pyx_t_1);
+    __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
+    __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  PyErr_SetNone(PyExc_StopIteration);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":124
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ * def decode_words(syms):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_tostring(sym) for sym in syms)
+ */
+
+static PyObject *__pyx_pf_3_sa_14decode_words(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_syms) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("decode_words", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)__pyx_ptype_3_sa___pyx_scope_struct_13_decode_words->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_13_decode_words, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_syms = __pyx_v_syms;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_syms);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_syms);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":125
+ * 
+ * def decode_words(syms):
+ *     return tuple(sym_tostring(sym) for sym in syms)             # <<<<<<<<<<<<<<
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __pyx_pf_3_sa_12decode_words_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_AddTraceback("_sa.decode_words", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
 static int __pyx_pw_3_sa_6Phrase_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_3_sa_6Phrase_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_words = 0;
@@ -26185,14 +27094,14 @@ static PyObject *__pyx_pw_3_sa_6Phrase_29__iter__(PyObject *__pyx_v_self) {
  */
 
 static PyObject *__pyx_pf_3_sa_6Phrase_28__iter__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__iter__", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)__pyx_ptype_3_sa___pyx_scope_struct_11___iter__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_11___iter__, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)__pyx_ptype_3_sa___pyx_scope_struct_15___iter__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_15___iter__, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -26222,7 +27131,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_28__iter__(struct __pyx_obj_3_sa_Phrase *
 
 static PyObject *__pyx_gb_3_sa_6Phrase_30generator2(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
   int __pyx_t_1;
   PyObject *__pyx_t_2 = NULL;
@@ -27108,7 +28017,7 @@ static PyObject *__pyx_pw_3_sa_4Rule_11__str__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
-static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator11(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator13(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
 /* "/home/pauldb/workspace/cdec/python/src/sa/rule.pxi":187
  *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
@@ -27119,24 +28028,24 @@ static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator11(__pyx_GeneratorObject
  */
 
 static PyObject *__pyx_pf_3_sa_4Rule_7__str___genexpr(PyObject *__pyx_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("genexpr", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_13_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_13_genexpr, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_17_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_17_genexpr, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
   }
   __Pyx_GOTREF(__pyx_cur_scope);
-  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *) __pyx_self;
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *) __pyx_self;
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_4Rule_7__str___2generator11, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_4Rule_7__str___2generator13, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -27154,9 +28063,9 @@ static PyObject *__pyx_pf_3_sa_4Rule_7__str___genexpr(PyObject *__pyx_self) {
   return __pyx_r;
 }
 
-static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator11(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator13(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
   PyObject *__pyx_t_1 = NULL;
   PyObject *__pyx_t_2 = NULL;
@@ -27264,7 +28173,7 @@ static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator11(__pyx_GeneratorObject
  */
 
 static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *__pyx_cur_scope;
   PyObject *__pyx_v_fields = NULL;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -27279,7 +28188,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)__pyx_ptype_3_sa___pyx_scope_struct_12___str__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_12___str__, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)__pyx_ptype_3_sa___pyx_scope_struct_16___str__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_16___str__, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -27437,14 +28346,14 @@ static PyObject *__pyx_pw_3_sa_4Rule_13alignments(PyObject *__pyx_v_self, CYTHON
  */
 
 static PyObject *__pyx_pf_3_sa_4Rule_12alignments(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("alignments", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)__pyx_ptype_3_sa___pyx_scope_struct_14_alignments->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_14_alignments, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)__pyx_ptype_3_sa___pyx_scope_struct_18_alignments->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_18_alignments, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -27474,7 +28383,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_12alignments(struct __pyx_obj_3_sa_Rule *__
 
 static PyObject *__pyx_gb_3_sa_4Rule_14generator3(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
   PyObject *__pyx_t_1 = NULL;
   Py_ssize_t __pyx_t_2;
@@ -35888,7 +36797,7 @@ static int __pyx_pw_3_sa_8TrieNode_1__cinit__(PyObject *__pyx_v_self, PyObject *
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":39
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":49
  *     cdef public children
  * 
  *     def __cinit__(self):             # <<<<<<<<<<<<<<
@@ -35905,14 +36814,14 @@ static int __pyx_pf_3_sa_8TrieNode___cinit__(struct __pyx_obj_3_sa_TrieNode *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":40
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":50
  * 
  *     def __cinit__(self):
  *         self.children = {}             # <<<<<<<<<<<<<<
  * 
  * cdef class ExtendedTrieNode(TrieNode):
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
   __Pyx_GOTREF(__pyx_v_self->children);
@@ -35942,7 +36851,7 @@ static PyObject *__pyx_pw_3_sa_8TrieNode_8children_1__get__(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":37
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":47
  * 
  * cdef class TrieNode:
  *     cdef public children             # <<<<<<<<<<<<<<
@@ -36031,7 +36940,7 @@ static int __pyx_pw_3_sa_16ExtendedTrieNode_1__cinit__(PyObject *__pyx_v_self, P
     static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__phrase,&__pyx_n_s__phrase_location,&__pyx_n_s__suffix_link,0};
     PyObject* values[3] = {0,0,0};
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":47
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":57
  *     cdef public suffix_link
  * 
  *     def __cinit__(self, phrase=None, phrase_location=None, suffix_link=None):             # <<<<<<<<<<<<<<
@@ -36070,7 +36979,7 @@ static int __pyx_pw_3_sa_16ExtendedTrieNode_1__cinit__(PyObject *__pyx_v_self, P
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -36087,7 +36996,7 @@ static int __pyx_pw_3_sa_16ExtendedTrieNode_1__cinit__(PyObject *__pyx_v_self, P
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.ExtendedTrieNode.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -36103,7 +37012,7 @@ static int __pyx_pf_3_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_3_sa_Exte
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":48
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":58
  * 
  *     def __cinit__(self, phrase=None, phrase_location=None, suffix_link=None):
  *         self.phrase = phrase             # <<<<<<<<<<<<<<
@@ -36116,7 +37025,7 @@ static int __pyx_pf_3_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_3_sa_Exte
   __Pyx_DECREF(__pyx_v_self->phrase);
   __pyx_v_self->phrase = __pyx_v_phrase;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":49
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":59
  *     def __cinit__(self, phrase=None, phrase_location=None, suffix_link=None):
  *         self.phrase = phrase
  *         self.phrase_location = phrase_location             # <<<<<<<<<<<<<<
@@ -36129,7 +37038,7 @@ static int __pyx_pf_3_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_3_sa_Exte
   __Pyx_DECREF(__pyx_v_self->phrase_location);
   __pyx_v_self->phrase_location = __pyx_v_phrase_location;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":50
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":60
  *         self.phrase = phrase
  *         self.phrase_location = phrase_location
  *         self.suffix_link = suffix_link             # <<<<<<<<<<<<<<
@@ -36158,7 +37067,7 @@ static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_6phrase_1__get__(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":43
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":53
  * 
  * cdef class ExtendedTrieNode(TrieNode):
  *     cdef public phrase             # <<<<<<<<<<<<<<
@@ -36245,7 +37154,7 @@ static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(PyO
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":44
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":54
  * cdef class ExtendedTrieNode(TrieNode):
  *     cdef public phrase
  *     cdef public phrase_location             # <<<<<<<<<<<<<<
@@ -36332,7 +37241,7 @@ static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(PyObjec
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":45
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":55
  *     cdef public phrase
  *     cdef public phrase_location
  *     cdef public suffix_link             # <<<<<<<<<<<<<<
@@ -36436,7 +37345,7 @@ static int __pyx_pw_3_sa_9TrieTable_1__cinit__(PyObject *__pyx_v_self, PyObject
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -36449,7 +37358,7 @@ static int __pyx_pw_3_sa_9TrieTable_1__cinit__(PyObject *__pyx_v_self, PyObject
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.TrieTable.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -36460,7 +37369,7 @@ static int __pyx_pw_3_sa_9TrieTable_1__cinit__(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":57
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":67
  *     cdef public int count
  *     cdef public root
  *     def __cinit__(self, extended=False):             # <<<<<<<<<<<<<<
@@ -36479,7 +37388,7 @@ static int __pyx_pf_3_sa_9TrieTable___cinit__(struct __pyx_obj_3_sa_TrieTable *_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":58
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":68
  *     cdef public root
  *     def __cinit__(self, extended=False):
  *         self.count = 0             # <<<<<<<<<<<<<<
@@ -36488,34 +37397,34 @@ static int __pyx_pf_3_sa_9TrieTable___cinit__(struct __pyx_obj_3_sa_TrieTable *_
  */
   __pyx_v_self->count = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":59
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":69
  *     def __cinit__(self, extended=False):
  *         self.count = 0
  *         self.extended = extended             # <<<<<<<<<<<<<<
  *         if extended:
  *             self.root = ExtendedTrieNode()
  */
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_extended); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_extended); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 69; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->extended = __pyx_t_1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":60
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":70
  *         self.count = 0
  *         self.extended = extended
  *         if extended:             # <<<<<<<<<<<<<<
  *             self.root = ExtendedTrieNode()
  *         else:
  */
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_extended); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_extended); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 70; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":61
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":71
  *         self.extended = extended
  *         if extended:
  *             self.root = ExtendedTrieNode()             # <<<<<<<<<<<<<<
  *         else:
  *             self.root = TrieNode()
  */
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_GIVEREF(__pyx_t_3);
     __Pyx_GOTREF(__pyx_v_self->root);
@@ -36526,14 +37435,14 @@ static int __pyx_pf_3_sa_9TrieTable___cinit__(struct __pyx_obj_3_sa_TrieTable *_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":63
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":73
  *             self.root = ExtendedTrieNode()
  *         else:
  *             self.root = TrieNode()             # <<<<<<<<<<<<<<
  * 
  * # linked list structure for storing matches in BaselineRuleFactory
  */
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieNode)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieNode)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_GIVEREF(__pyx_t_3);
     __Pyx_GOTREF(__pyx_v_self->root);
@@ -36565,7 +37474,7 @@ static PyObject *__pyx_pw_3_sa_9TrieTable_8extended_1__get__(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":54
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":64
  * 
  * cdef class TrieTable:
  *     cdef public int extended             # <<<<<<<<<<<<<<
@@ -36582,7 +37491,7 @@ static PyObject *__pyx_pf_3_sa_9TrieTable_8extended___get__(struct __pyx_obj_3_s
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->extended); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->extended); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -36619,7 +37528,7 @@ static int __pyx_pf_3_sa_9TrieTable_8extended_2__set__(struct __pyx_obj_3_sa_Tri
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->extended = __pyx_t_1;
 
   __pyx_r = 0;
@@ -36643,7 +37552,7 @@ static PyObject *__pyx_pw_3_sa_9TrieTable_5count_1__get__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":55
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":65
  * cdef class TrieTable:
  *     cdef public int extended
  *     cdef public int count             # <<<<<<<<<<<<<<
@@ -36660,7 +37569,7 @@ static PyObject *__pyx_pf_3_sa_9TrieTable_5count___get__(struct __pyx_obj_3_sa_T
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->count); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->count); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -36697,7 +37606,7 @@ static int __pyx_pf_3_sa_9TrieTable_5count_2__set__(struct __pyx_obj_3_sa_TrieTa
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__set__", 0);
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->count = __pyx_t_1;
 
   __pyx_r = 0;
@@ -36721,7 +37630,7 @@ static PyObject *__pyx_pw_3_sa_9TrieTable_4root_1__get__(PyObject *__pyx_v_self)
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":56
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":66
  *     cdef public int extended
  *     cdef public int count
  *     cdef public root             # <<<<<<<<<<<<<<
@@ -36797,7 +37706,7 @@ static int __pyx_pf_3_sa_9TrieTable_4root_4__del__(struct __pyx_obj_3_sa_TrieTab
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":83
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":93
  * 
  *     # returns true if sent_id is contained
  *     cdef int contains(self, int sent_id):             # <<<<<<<<<<<<<<
@@ -36810,7 +37719,7 @@ static int __pyx_f_3_sa_14PhraseLocation_contains(CYTHON_UNUSED struct __pyx_obj
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("contains", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":84
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":94
  *     # returns true if sent_id is contained
  *     cdef int contains(self, int sent_id):
  *         return 1             # <<<<<<<<<<<<<<
@@ -36842,7 +37751,7 @@ static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyO
     static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sa_low,&__pyx_n_s__sa_high,&__pyx_n_s__arr_low,&__pyx_n_s__arr_high,&__pyx_n_s__arr,&__pyx_n_s__num_subpatterns,0};
     PyObject* values[6] = {0,0,0,0,0,0};
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":87
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":97
  * 
  *     def __cinit__(self, int sa_low=-1, int sa_high=-1, int arr_low=-1, int arr_high=-1,
  *             arr=None, int num_subpatterns=1):             # <<<<<<<<<<<<<<
@@ -36897,7 +37806,7 @@ static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyO
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -36912,35 +37821,35 @@ static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyO
       }
     }
     if (values[0]) {
-      __pyx_v_sa_low = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_sa_low == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_sa_low = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_sa_low == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_sa_low = ((int)-1);
     }
     if (values[1]) {
-      __pyx_v_sa_high = __Pyx_PyInt_AsInt(values[1]); if (unlikely((__pyx_v_sa_high == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_sa_high = __Pyx_PyInt_AsInt(values[1]); if (unlikely((__pyx_v_sa_high == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_sa_high = ((int)-1);
     }
     if (values[2]) {
-      __pyx_v_arr_low = __Pyx_PyInt_AsInt(values[2]); if (unlikely((__pyx_v_arr_low == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_arr_low = __Pyx_PyInt_AsInt(values[2]); if (unlikely((__pyx_v_arr_low == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_arr_low = ((int)-1);
     }
     if (values[3]) {
-      __pyx_v_arr_high = __Pyx_PyInt_AsInt(values[3]); if (unlikely((__pyx_v_arr_high == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_arr_high = __Pyx_PyInt_AsInt(values[3]); if (unlikely((__pyx_v_arr_high == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_arr_high = ((int)-1);
     }
     __pyx_v_arr = values[4];
     if (values[5]) {
-      __pyx_v_num_subpatterns = __Pyx_PyInt_AsInt(values[5]); if (unlikely((__pyx_v_num_subpatterns == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_num_subpatterns = __Pyx_PyInt_AsInt(values[5]); if (unlikely((__pyx_v_num_subpatterns == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_num_subpatterns = ((int)1);
     }
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.PhraseLocation.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -36951,7 +37860,7 @@ static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyO
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":86
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":96
  *         return 1
  * 
  *     def __cinit__(self, int sa_low=-1, int sa_high=-1, int arr_low=-1, int arr_high=-1,             # <<<<<<<<<<<<<<
@@ -36967,7 +37876,7 @@ static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_Phrase
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":88
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":98
  *     def __cinit__(self, int sa_low=-1, int sa_high=-1, int arr_low=-1, int arr_high=-1,
  *             arr=None, int num_subpatterns=1):
  *         self.sa_low = sa_low             # <<<<<<<<<<<<<<
@@ -36976,7 +37885,7 @@ static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_Phrase
  */
   __pyx_v_self->sa_low = __pyx_v_sa_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":89
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":99
  *             arr=None, int num_subpatterns=1):
  *         self.sa_low = sa_low
  *         self.sa_high = sa_high             # <<<<<<<<<<<<<<
@@ -36985,7 +37894,7 @@ static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_Phrase
  */
   __pyx_v_self->sa_high = __pyx_v_sa_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":90
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":100
  *         self.sa_low = sa_low
  *         self.sa_high = sa_high
  *         self.arr_low = arr_low             # <<<<<<<<<<<<<<
@@ -36994,7 +37903,7 @@ static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_Phrase
  */
   __pyx_v_self->arr_low = __pyx_v_arr_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":91
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":101
  *         self.sa_high = sa_high
  *         self.arr_low = arr_low
  *         self.arr_high = arr_high             # <<<<<<<<<<<<<<
@@ -37003,21 +37912,21 @@ static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_Phrase
  */
   __pyx_v_self->arr_high = __pyx_v_arr_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":92
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":102
  *         self.arr_low = arr_low
  *         self.arr_high = arr_high
  *         self.arr = arr             # <<<<<<<<<<<<<<
  *         self.num_subpatterns = num_subpatterns
  * 
  */
-  if (!(likely(((__pyx_v_arr) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_arr, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 92; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_v_arr) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_arr, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_INCREF(__pyx_v_arr);
   __Pyx_GIVEREF(__pyx_v_arr);
   __Pyx_GOTREF(__pyx_v_self->arr);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->arr));
   __pyx_v_self->arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_v_arr);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":93
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":103
  *         self.arr_high = arr_high
  *         self.arr = arr
  *         self.num_subpatterns = num_subpatterns             # <<<<<<<<<<<<<<
@@ -37064,11 +37973,11 @@ static int __pyx_pw_3_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *_
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fsarray)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
       goto __pyx_L5_argtuple_error;
@@ -37076,18 +37985,18 @@ static int __pyx_pw_3_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *_
       values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
       values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
     }
-    __pyx_v_sample_size = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_sample_size == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_sample_size = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_sample_size == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     __pyx_v_fsarray = ((struct __pyx_obj_3_sa_SuffixArray *)values[1]);
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.Sampler.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_3_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_3_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_3_sa_7Sampler___cinit__(((struct __pyx_obj_3_sa_Sampler *)__pyx_v_self), __pyx_v_sample_size, __pyx_v_fsarray);
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -37097,7 +38006,7 @@ static int __pyx_pw_3_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":103
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":113
  *     cdef IntList sa
  * 
  *     def __cinit__(self, int sample_size, SuffixArray fsarray):             # <<<<<<<<<<<<<<
@@ -37117,7 +38026,7 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":104
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":114
  * 
  *     def __cinit__(self, int sample_size, SuffixArray fsarray):
  *         self.sample_size = sample_size             # <<<<<<<<<<<<<<
@@ -37126,7 +38035,7 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
  */
   __pyx_v_self->sample_size = __pyx_v_sample_size;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":105
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":115
  *     def __cinit__(self, int sample_size, SuffixArray fsarray):
  *         self.sample_size = sample_size
  *         self.sa = fsarray.sa             # <<<<<<<<<<<<<<
@@ -37139,7 +38048,7 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
   __Pyx_DECREF(((PyObject *)__pyx_v_self->sa));
   __pyx_v_self->sa = __pyx_v_fsarray->sa;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":106
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":116
  *         self.sample_size = sample_size
  *         self.sa = fsarray.sa
  *         if sample_size > 0:             # <<<<<<<<<<<<<<
@@ -37149,21 +38058,21 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
   __pyx_t_1 = (__pyx_v_sample_size > 0);
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":107
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":117
  *         self.sa = fsarray.sa
  *         if sample_size > 0:
  *             logger.info("Sampling strategy: uniform, max sample size = %d", sample_size)             # <<<<<<<<<<<<<<
  *         else:
  *             logger.info("Sampling strategy: no sampling")
  */
-    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_2 = PyInt_FromLong(__pyx_v_sample_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong(__pyx_v_sample_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_INCREF(((PyObject *)__pyx_kp_s_100));
     PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_kp_s_100));
@@ -37171,7 +38080,7 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
     PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_2);
     __pyx_t_2 = 0;
-    __pyx_t_2 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
@@ -37180,19 +38089,19 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":109
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":119
  *             logger.info("Sampling strategy: uniform, max sample size = %d", sample_size)
  *         else:
  *             logger.info("Sampling strategy: no sampling")             # <<<<<<<<<<<<<<
  * 
  *     def sample(self, PhraseLocation phrase_location):
  */
-    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_4 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_k_tuple_102), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_k_tuple_102), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
@@ -37219,7 +38128,7 @@ static PyObject *__pyx_pw_3_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sample (wrapper)", 0);
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_phrase_location), __pyx_ptype_3_sa_PhraseLocation, 1, "phrase_location", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_phrase_location), __pyx_ptype_3_sa_PhraseLocation, 1, "phrase_location", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_3_sa_7Sampler_2sample(((struct __pyx_obj_3_sa_Sampler *)__pyx_v_self), ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_v_phrase_location));
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -37229,7 +38138,7 @@ static PyObject *__pyx_pw_3_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":111
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":121
  *             logger.info("Sampling strategy: no sampling")
  * 
  *     def sample(self, PhraseLocation phrase_location):             # <<<<<<<<<<<<<<
@@ -37256,19 +38165,19 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("sample", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":124
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":134
  *         cdef int num_locations, val, j
  * 
  *         sample = IntList()             # <<<<<<<<<<<<<<
  *         if phrase_location.arr is None:
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":125
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":135
  * 
  *         sample = IntList()
  *         if phrase_location.arr is None:             # <<<<<<<<<<<<<<
@@ -37278,7 +38187,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   __pyx_t_2 = (((PyObject *)__pyx_v_phrase_location->arr) == Py_None);
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":126
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":136
  *         sample = IntList()
  *         if phrase_location.arr is None:
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low             # <<<<<<<<<<<<<<
@@ -37287,7 +38196,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
     __pyx_v_num_locations = (__pyx_v_phrase_location->sa_high - __pyx_v_phrase_location->sa_low);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":127
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":137
  *         if phrase_location.arr is None:
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low
  *             if self.sample_size == -1 or num_locations <= self.sample_size:             # <<<<<<<<<<<<<<
@@ -37303,7 +38212,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":128
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":138
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low
  *             if self.sample_size == -1 or num_locations <= self.sample_size:
  *                 sample._extend_arr(self.sa.arr + phrase_location.sa_low, num_locations)             # <<<<<<<<<<<<<<
@@ -37315,7 +38224,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":130
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":140
  *                 sample._extend_arr(self.sa.arr + phrase_location.sa_low, num_locations)
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)             # <<<<<<<<<<<<<<
@@ -37324,11 +38233,11 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       if (unlikely(((double)__pyx_v_self->sample_size) == 0)) {
         PyErr_Format(PyExc_ZeroDivisionError, "float division");
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __pyx_v_stepsize = (((double)__pyx_v_num_locations) / ((double)__pyx_v_self->sample_size));
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":131
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":141
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.sa_low             # <<<<<<<<<<<<<<
@@ -37337,7 +38246,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       __pyx_v_i = __pyx_v_phrase_location->sa_low;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":132
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":142
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.sa_low
  *                 while i < phrase_location.sa_high and sample.len < self.sample_size:             # <<<<<<<<<<<<<<
@@ -37354,7 +38263,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         if (!__pyx_t_3) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":135
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":145
  *                     '''Note: int(i) not guaranteed to have the desired
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
@@ -37364,7 +38273,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         __pyx_t_3 = (fmod(__pyx_v_i, 1.0) > 0.5);
         if (__pyx_t_3) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":136
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":146
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:
  *                         val = int(ceil(i))             # <<<<<<<<<<<<<<
@@ -37376,7 +38285,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":138
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":148
  *                         val = int(ceil(i))
  *                     else:
  *                         val = int(floor(i))             # <<<<<<<<<<<<<<
@@ -37387,7 +38296,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         __pyx_L7:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":139
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":149
  *                     else:
  *                         val = int(floor(i))
  *                     sample._append(self.sa.arr[val])             # <<<<<<<<<<<<<<
@@ -37396,7 +38305,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
         ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_append(__pyx_v_sample, (__pyx_v_self->sa->arr[__pyx_v_val]));
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":140
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":150
  *                         val = int(floor(i))
  *                     sample._append(self.sa.arr[val])
  *                     i = i + stepsize             # <<<<<<<<<<<<<<
@@ -37411,7 +38320,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":142
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":152
  *                     i = i + stepsize
  *         else:
  *             num_locations = (phrase_location.arr_high - phrase_location.arr_low) / phrase_location.num_subpatterns             # <<<<<<<<<<<<<<
@@ -37421,15 +38330,15 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     __pyx_t_5 = (__pyx_v_phrase_location->arr_high - __pyx_v_phrase_location->arr_low);
     if (unlikely(__pyx_v_phrase_location->num_subpatterns == 0)) {
       PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_phrase_location->num_subpatterns == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_5))) {
       PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_v_num_locations = __Pyx_div_int(__pyx_t_5, __pyx_v_phrase_location->num_subpatterns);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":143
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":153
  *         else:
  *             num_locations = (phrase_location.arr_high - phrase_location.arr_low) / phrase_location.num_subpatterns
  *             if self.sample_size == -1 or num_locations <= self.sample_size:             # <<<<<<<<<<<<<<
@@ -37445,7 +38354,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     if (__pyx_t_2) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":144
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":154
  *             num_locations = (phrase_location.arr_high - phrase_location.arr_low) / phrase_location.num_subpatterns
  *             if self.sample_size == -1 or num_locations <= self.sample_size:
  *                 sample = phrase_location.arr             # <<<<<<<<<<<<<<
@@ -37459,7 +38368,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":146
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":156
  *                 sample = phrase_location.arr
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)             # <<<<<<<<<<<<<<
@@ -37468,11 +38377,11 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       if (unlikely(((double)__pyx_v_self->sample_size) == 0)) {
         PyErr_Format(PyExc_ZeroDivisionError, "float division");
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __pyx_v_stepsize = (((double)__pyx_v_num_locations) / ((double)__pyx_v_self->sample_size));
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":147
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":157
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.arr_low             # <<<<<<<<<<<<<<
@@ -37481,7 +38390,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       __pyx_v_i = __pyx_v_phrase_location->arr_low;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":148
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":158
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.arr_low
  *                 while i < num_locations and sample.len < self.sample_size * phrase_location.num_subpatterns:             # <<<<<<<<<<<<<<
@@ -37498,7 +38407,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         if (!__pyx_t_4) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":151
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":161
  *                     '''Note: int(i) not guaranteed to have the desired
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
@@ -37508,7 +38417,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         __pyx_t_4 = (fmod(__pyx_v_i, 1.0) > 0.5);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":152
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":162
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:
  *                         val = int(ceil(i))             # <<<<<<<<<<<<<<
@@ -37520,7 +38429,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":154
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":164
  *                         val = int(ceil(i))
  *                     else:
  *                         val = int(floor(i))             # <<<<<<<<<<<<<<
@@ -37531,7 +38440,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         __pyx_L11:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":155
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":165
  *                     else:
  *                         val = int(floor(i))
  *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)             # <<<<<<<<<<<<<<
@@ -37540,7 +38449,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
         __pyx_v_j = (__pyx_v_phrase_location->arr_low + (__pyx_v_val * __pyx_v_phrase_location->num_subpatterns));
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":156
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":166
  *                         val = int(floor(i))
  *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)
  *                     sample._extend_arr(phrase_location.arr.arr + j, phrase_location.num_subpatterns)             # <<<<<<<<<<<<<<
@@ -37549,7 +38458,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
         ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_extend_arr(__pyx_v_sample, (__pyx_v_phrase_location->arr->arr + __pyx_v_j), __pyx_v_phrase_location->num_subpatterns);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":157
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":167
  *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)
  *                     sample._extend_arr(phrase_location.arr.arr + j, phrase_location.num_subpatterns)
  *                     i = i + stepsize             # <<<<<<<<<<<<<<
@@ -37563,7 +38472,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":158
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":168
  *                     sample._extend_arr(phrase_location.arr.arr + j, phrase_location.num_subpatterns)
  *                     i = i + stepsize
  *         return sample             # <<<<<<<<<<<<<<
@@ -37588,7 +38497,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":170
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":180
  * 
  * 
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):             # <<<<<<<<<<<<<<
@@ -37600,7 +38509,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("assign_matching", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":171
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":181
  * 
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):
  *     m.arr = arr             # <<<<<<<<<<<<<<
@@ -37609,7 +38518,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
  */
   __pyx_v_m->arr = __pyx_v_arr;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":172
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":182
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):
  *     m.arr = arr
  *     m.start = start             # <<<<<<<<<<<<<<
@@ -37618,7 +38527,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
  */
   __pyx_v_m->start = __pyx_v_start;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":173
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":183
  *     m.arr = arr
  *     m.start = start
  *     m.end = start + step             # <<<<<<<<<<<<<<
@@ -37627,7 +38536,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
  */
   __pyx_v_m->end = (__pyx_v_start + __pyx_v_step);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":174
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":184
  *     m.start = start
  *     m.end = start + step
  *     m.sent_id = sent_id_arr[arr[start]]             # <<<<<<<<<<<<<<
@@ -37636,7 +38545,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
  */
   __pyx_v_m->sent_id = (__pyx_v_sent_id_arr[(__pyx_v_arr[__pyx_v_start])]);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":175
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":185
  *     m.end = start + step
  *     m.sent_id = sent_id_arr[arr[start]]
  *     m.size = step             # <<<<<<<<<<<<<<
@@ -37648,7 +38557,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":178
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":188
  * 
  * 
  * cdef int* append_combined_matching(int* arr, Matching* loc1, Matching* loc2,             # <<<<<<<<<<<<<<
@@ -37665,7 +38574,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   int __pyx_t_2;
   __Pyx_RefNannySetupContext("append_combined_matching", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":182
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":192
  *     cdef int i, new_len
  * 
  *     new_len = result_len[0] + num_subpatterns             # <<<<<<<<<<<<<<
@@ -37674,7 +38583,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
  */
   __pyx_v_new_len = ((__pyx_v_result_len[0]) + __pyx_v_num_subpatterns);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":183
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":193
  * 
  *     new_len = result_len[0] + num_subpatterns
  *     arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -37683,7 +38592,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
  */
   __pyx_v_arr = ((int *)realloc(__pyx_v_arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":185
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":195
  *     arr = <int*> realloc(arr, new_len*sizeof(int))
  * 
  *     for i from 0 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -37693,7 +38602,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   __pyx_t_1 = __pyx_v_loc1->size;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":186
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":196
  * 
  *     for i from 0 <= i < loc1.size:
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]             # <<<<<<<<<<<<<<
@@ -37703,7 +38612,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
     (__pyx_v_arr[((__pyx_v_result_len[0]) + __pyx_v_i)]) = (__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]);
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":187
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":197
  *     for i from 0 <= i < loc1.size:
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]
  *     if num_subpatterns > loc1.size:             # <<<<<<<<<<<<<<
@@ -37713,7 +38622,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   __pyx_t_2 = (__pyx_v_num_subpatterns > __pyx_v_loc1->size);
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":188
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":198
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]
  *     if num_subpatterns > loc1.size:
  *         arr[new_len-1] = loc2.arr[loc2.end-1]             # <<<<<<<<<<<<<<
@@ -37725,7 +38634,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   }
   __pyx_L5:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":189
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":199
  *     if num_subpatterns > loc1.size:
  *         arr[new_len-1] = loc2.arr[loc2.end-1]
  *     result_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -37734,7 +38643,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
  */
   (__pyx_v_result_len[0]) = __pyx_v_new_len;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":190
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":200
  *         arr[new_len-1] = loc2.arr[loc2.end-1]
  *     result_len[0] = new_len
  *     return arr             # <<<<<<<<<<<<<<
@@ -37750,7 +38659,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":193
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":203
  * 
  * 
  * cdef int* extend_arr(int* arr, int* arr_len, int* appendix, int appendix_len):             # <<<<<<<<<<<<<<
@@ -37764,7 +38673,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("extend_arr", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":196
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":206
  *     cdef int new_len
  * 
  *     new_len = arr_len[0] + appendix_len             # <<<<<<<<<<<<<<
@@ -37773,7 +38682,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
  */
   __pyx_v_new_len = ((__pyx_v_arr_len[0]) + __pyx_v_appendix_len);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":197
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":207
  * 
  *     new_len = arr_len[0] + appendix_len
  *     arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -37782,7 +38691,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
  */
   __pyx_v_arr = ((int *)realloc(__pyx_v_arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":198
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":208
  *     new_len = arr_len[0] + appendix_len
  *     arr = <int*> realloc(arr, new_len*sizeof(int))
  *     memcpy(arr+arr_len[0], appendix, appendix_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -37791,7 +38700,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
  */
   memcpy((__pyx_v_arr + (__pyx_v_arr_len[0])), __pyx_v_appendix, (__pyx_v_appendix_len * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":199
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":209
  *     arr = <int*> realloc(arr, new_len*sizeof(int))
  *     memcpy(arr+arr_len[0], appendix, appendix_len*sizeof(int))
  *     arr_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -37800,7 +38709,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
  */
   (__pyx_v_arr_len[0]) = __pyx_v_new_len;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":200
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":210
  *     memcpy(arr+arr_len[0], appendix, appendix_len*sizeof(int))
  *     arr_len[0] = new_len
  *     return arr             # <<<<<<<<<<<<<<
@@ -37816,7 +38725,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":202
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":212
  *     return arr
  * 
  * cdef int median(int low, int high, int step):             # <<<<<<<<<<<<<<
@@ -37833,7 +38742,7 @@ static int __pyx_f_3_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_st
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("median", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":203
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":213
  * 
  * cdef int median(int low, int high, int step):
  *     return low + (((high - low)/step)/2)*step             # <<<<<<<<<<<<<<
@@ -37843,11 +38752,11 @@ static int __pyx_f_3_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_st
   __pyx_t_1 = (__pyx_v_high - __pyx_v_low);
   if (unlikely(__pyx_v_step == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_1))) {
     PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_r = (__pyx_v_low + (__Pyx_div_long(__Pyx_div_int(__pyx_t_1, __pyx_v_step), 2) * __pyx_v_step));
   goto __pyx_L0;
@@ -37862,7 +38771,7 @@ static int __pyx_f_3_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_st
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":206
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":216
  * 
  * 
  * cdef void find_comparable_matchings(int low, int high, int* arr, int step, int loc, int* loc_minus, int* loc_plus):             # <<<<<<<<<<<<<<
@@ -37877,7 +38786,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("find_comparable_matchings", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":210
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":220
  *     # in which all matchings have the same first index as the one
  *     # starting at loc
  *     loc_plus[0] = loc + step             # <<<<<<<<<<<<<<
@@ -37886,7 +38795,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
  */
   (__pyx_v_loc_plus[0]) = (__pyx_v_loc + __pyx_v_step);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":211
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":221
  *     # starting at loc
  *     loc_plus[0] = loc + step
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:             # <<<<<<<<<<<<<<
@@ -37903,7 +38812,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":212
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":222
  *     loc_plus[0] = loc + step
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:
  *         loc_plus[0] = loc_plus[0] + step             # <<<<<<<<<<<<<<
@@ -37913,7 +38822,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
     (__pyx_v_loc_plus[0]) = ((__pyx_v_loc_plus[0]) + __pyx_v_step);
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":213
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":223
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:
  *         loc_plus[0] = loc_plus[0] + step
  *     loc_minus[0] = loc             # <<<<<<<<<<<<<<
@@ -37922,7 +38831,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
  */
   (__pyx_v_loc_minus[0]) = __pyx_v_loc;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":214
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":224
  *         loc_plus[0] = loc_plus[0] + step
  *     loc_minus[0] = loc
  *     while loc_minus[0]-step >= low and arr[loc_minus[0]-step] == arr[loc]:             # <<<<<<<<<<<<<<
@@ -37939,7 +38848,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
     }
     if (!__pyx_t_2) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":215
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":225
  *     loc_minus[0] = loc
  *     while loc_minus[0]-step >= low and arr[loc_minus[0]-step] == arr[loc]:
  *         loc_minus[0] = loc_minus[0] - step             # <<<<<<<<<<<<<<
@@ -37983,7 +38892,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
     static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alignment,&__pyx_n_s__by_slack_factor,&__pyx_n_s__category,&__pyx_n_s__max_chunks,&__pyx_n_s__max_initial_size,&__pyx_n_s__max_length,&__pyx_n_s__max_nonterminals,&__pyx_n_s__max_target_chunks,&__pyx_n_s__max_target_length,&__pyx_n_s__min_gap_size,&__pyx_n_s__precompute_file,&__pyx_n_s_70,&__pyx_n_s__precompute_rank,&__pyx_n_s_103,&__pyx_n_s_104,&__pyx_n_s_71,&__pyx_n_s__train_min_gap_size,&__pyx_n_s__tight_phrases,&__pyx_n_s__use_baeza_yates,&__pyx_n_s__use_collocations,&__pyx_n_s__use_index,0};
     PyObject* values[21] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":276
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":296
  *             char* category="[X]",
  *             # maximum number of contiguous chunks of terminal symbols in RHS of a rule. If None, defaults to max_nonterminals+1
  *             max_chunks=None,             # <<<<<<<<<<<<<<
@@ -37992,7 +38901,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[3] = ((PyObject *)Py_None);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":284
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":304
  *             unsigned max_nonterminals=2,
  *             # maximum number of contiguous chunks of terminal symbols in target-side RHS of a rule. If None, defaults to max_nonterminals+1
  *             max_target_chunks=None,             # <<<<<<<<<<<<<<
@@ -38001,7 +38910,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[7] = ((PyObject *)Py_None);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":286
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":306
  *             max_target_chunks=None,
  *             # maximum number of target side symbols (both T and NT) allowed in a rule. If None, defaults to max_initial_size
  *             max_target_length=None,             # <<<<<<<<<<<<<<
@@ -38010,7 +38919,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[8] = ((PyObject *)Py_None);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":290
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":310
  *             unsigned min_gap_size=2,
  *             # filename of file containing precomputed collocations
  *             precompute_file=None,             # <<<<<<<<<<<<<<
@@ -38153,7 +39062,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 268; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -38184,10 +39093,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
     }
     __pyx_v_alignment = ((struct __pyx_obj_3_sa_Alignment *)values[0]);
     if (values[1]) {
-      __pyx_v_by_slack_factor = __pyx_PyFloat_AsFloat(values[1]); if (unlikely((__pyx_v_by_slack_factor == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 272; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_by_slack_factor = __pyx_PyFloat_AsFloat(values[1]); if (unlikely((__pyx_v_by_slack_factor == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 292; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":272
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":292
  *             Alignment alignment,
  *             # parameter for double-binary search; doesn't seem to matter much
  *             float by_slack_factor=1.0,             # <<<<<<<<<<<<<<
@@ -38197,49 +39106,49 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_by_slack_factor = ((float)1.0);
     }
     if (values[2]) {
-      __pyx_v_category = PyBytes_AsString(values[2]); if (unlikely((!__pyx_v_category) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 274; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_category = PyBytes_AsString(values[2]); if (unlikely((!__pyx_v_category) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 294; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_category = ((char *)__pyx_k_105);
     }
     __pyx_v_max_chunks = values[3];
     if (values[4]) {
-      __pyx_v_max_initial_size = __Pyx_PyInt_AsUnsignedInt(values[4]); if (unlikely((__pyx_v_max_initial_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_max_initial_size = __Pyx_PyInt_AsUnsignedInt(values[4]); if (unlikely((__pyx_v_max_initial_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_max_initial_size = ((unsigned int)10);
     }
     if (values[5]) {
-      __pyx_v_max_length = __Pyx_PyInt_AsUnsignedInt(values[5]); if (unlikely((__pyx_v_max_length == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 280; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_max_length = __Pyx_PyInt_AsUnsignedInt(values[5]); if (unlikely((__pyx_v_max_length == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 300; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_max_length = ((unsigned int)5);
     }
     if (values[6]) {
-      __pyx_v_max_nonterminals = __Pyx_PyInt_AsUnsignedInt(values[6]); if (unlikely((__pyx_v_max_nonterminals == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 282; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_max_nonterminals = __Pyx_PyInt_AsUnsignedInt(values[6]); if (unlikely((__pyx_v_max_nonterminals == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_max_nonterminals = ((unsigned int)2);
     }
     __pyx_v_max_target_chunks = values[7];
     __pyx_v_max_target_length = values[8];
     if (values[9]) {
-      __pyx_v_min_gap_size = __Pyx_PyInt_AsUnsignedInt(values[9]); if (unlikely((__pyx_v_min_gap_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_min_gap_size = __Pyx_PyInt_AsUnsignedInt(values[9]); if (unlikely((__pyx_v_min_gap_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_min_gap_size = ((unsigned int)2);
     }
     __pyx_v_precompute_file = values[10];
     if (values[11]) {
-      __pyx_v_precompute_secondary_rank = __Pyx_PyInt_AsUnsignedInt(values[11]); if (unlikely((__pyx_v_precompute_secondary_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 292; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_precompute_secondary_rank = __Pyx_PyInt_AsUnsignedInt(values[11]); if (unlikely((__pyx_v_precompute_secondary_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_precompute_secondary_rank = ((unsigned int)20);
     }
     if (values[12]) {
-      __pyx_v_precompute_rank = __Pyx_PyInt_AsUnsignedInt(values[12]); if (unlikely((__pyx_v_precompute_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 294; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_precompute_rank = __Pyx_PyInt_AsUnsignedInt(values[12]); if (unlikely((__pyx_v_precompute_rank == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_precompute_rank = ((unsigned int)100);
     }
     if (values[13]) {
-      __pyx_v_require_aligned_terminal = __Pyx_PyObject_IsTrue(values[13]); if (unlikely((__pyx_v_require_aligned_terminal == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 296; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_require_aligned_terminal = __Pyx_PyObject_IsTrue(values[13]); if (unlikely((__pyx_v_require_aligned_terminal == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 316; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":296
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":316
  *             unsigned precompute_rank=100,
  *             # require extracted rules to have at least one aligned word
  *             bint require_aligned_terminal=True,             # <<<<<<<<<<<<<<
@@ -38249,10 +39158,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_require_aligned_terminal = ((int)1);
     }
     if (values[14]) {
-      __pyx_v_require_aligned_chunks = __Pyx_PyObject_IsTrue(values[14]); if (unlikely((__pyx_v_require_aligned_chunks == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_require_aligned_chunks = __Pyx_PyObject_IsTrue(values[14]); if (unlikely((__pyx_v_require_aligned_chunks == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 318; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":298
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":318
  *             bint require_aligned_terminal=True,
  *             # require each contiguous chunk of extracted rules to have at least one aligned word
  *             bint require_aligned_chunks=False,             # <<<<<<<<<<<<<<
@@ -38262,20 +39171,20 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_require_aligned_chunks = ((int)0);
     }
     if (values[15]) {
-      __pyx_v_train_max_initial_size = __Pyx_PyInt_AsUnsignedInt(values[15]); if (unlikely((__pyx_v_train_max_initial_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 300; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_train_max_initial_size = __Pyx_PyInt_AsUnsignedInt(values[15]); if (unlikely((__pyx_v_train_max_initial_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 320; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_train_max_initial_size = ((unsigned int)10);
     }
     if (values[16]) {
-      __pyx_v_train_min_gap_size = __Pyx_PyInt_AsUnsignedInt(values[16]); if (unlikely((__pyx_v_train_min_gap_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_train_min_gap_size = __Pyx_PyInt_AsUnsignedInt(values[16]); if (unlikely((__pyx_v_train_min_gap_size == (unsigned int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 322; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_train_min_gap_size = ((unsigned int)2);
     }
     if (values[17]) {
-      __pyx_v_tight_phrases = __Pyx_PyObject_IsTrue(values[17]); if (unlikely((__pyx_v_tight_phrases == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_tight_phrases = __Pyx_PyObject_IsTrue(values[17]); if (unlikely((__pyx_v_tight_phrases == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 324; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":304
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":324
  *             unsigned train_min_gap_size=2,
  *             # False if phrases should be loose (better but slower), True otherwise
  *             bint tight_phrases=True,             # <<<<<<<<<<<<<<
@@ -38285,10 +39194,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_tight_phrases = ((int)1);
     }
     if (values[18]) {
-      __pyx_v_use_baeza_yates = __Pyx_PyObject_IsTrue(values[18]); if (unlikely((__pyx_v_use_baeza_yates == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 306; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_use_baeza_yates = __Pyx_PyObject_IsTrue(values[18]); if (unlikely((__pyx_v_use_baeza_yates == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 326; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":306
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":326
  *             bint tight_phrases=True,
  *             # True to require use of double-binary alg, false otherwise
  *             bint use_baeza_yates=True,             # <<<<<<<<<<<<<<
@@ -38298,10 +39207,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_use_baeza_yates = ((int)1);
     }
     if (values[19]) {
-      __pyx_v_use_collocations = __Pyx_PyObject_IsTrue(values[19]); if (unlikely((__pyx_v_use_collocations == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_use_collocations = __Pyx_PyObject_IsTrue(values[19]); if (unlikely((__pyx_v_use_collocations == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 328; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":308
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":328
  *             bint use_baeza_yates=True,
  *             # True to enable used of precomputed collocations
  *             bint use_collocations=True,             # <<<<<<<<<<<<<<
@@ -38311,10 +39220,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_use_collocations = ((int)1);
     }
     if (values[20]) {
-      __pyx_v_use_index = __Pyx_PyObject_IsTrue(values[20]); if (unlikely((__pyx_v_use_index == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 310; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_use_index = __Pyx_PyObject_IsTrue(values[20]); if (unlikely((__pyx_v_use_index == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":310
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":330
  *             bint use_collocations=True,
  *             # True to enable use of precomputed inverted indices
  *             bint use_index=True):             # <<<<<<<<<<<<<<
@@ -38326,13 +39235,13 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 1, 21, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 268; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 1, 21, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_alignment), __pyx_ptype_3_sa_Alignment, 1, "alignment", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 270; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_alignment), __pyx_ptype_3_sa_Alignment, 1, "alignment", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 290; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_alignment, __pyx_v_by_slack_factor, __pyx_v_category, __pyx_v_max_chunks, __pyx_v_max_initial_size, __pyx_v_max_length, __pyx_v_max_nonterminals, __pyx_v_max_target_chunks, __pyx_v_max_target_length, __pyx_v_min_gap_size, __pyx_v_precompute_file, __pyx_v_precompute_secondary_rank, __pyx_v_precompute_rank, __pyx_v_require_aligned_terminal, __pyx_v_require_aligned_chunks, __pyx_v_train_max_initial_size, __pyx_v_train_min_gap_size, __pyx_v_tight_phrases, __pyx_v_use_baeza_yates, __pyx_v_use_collocations, __pyx_v_use_index);
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -38342,8 +39251,188 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":268
- *     cdef IntList findexes1
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___lambda1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___lambda1 = {__Pyx_NAMESTR("lambda1"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___lambda1, METH_NOARGS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___lambda1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("lambda1 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda1(__pyx_self);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":406
+ *         self.phrases_f = defaultdict(int)
+ *         self.phrases_e = defaultdict(int)
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))             # <<<<<<<<<<<<<<
+ *         self.phrases_al = defaultdict(lambda: defaultdict(tuple))
+ * 
+ */
+
+static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("lambda1", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_r = __pyx_t_3;
+  __pyx_t_3 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__.lambda1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___1lambda2(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___1lambda2 = {__Pyx_NAMESTR("lambda2"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___1lambda2, METH_NOARGS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___1lambda2(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("lambda2 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda2(__pyx_self);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":407
+ *         self.phrases_e = defaultdict(int)
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))
+ *         self.phrases_al = defaultdict(lambda: defaultdict(tuple))             # <<<<<<<<<<<<<<
+ * 
+ *         # Bilexical counts
+ */
+
+static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("lambda2", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyTuple_Type))));
+  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)((PyObject*)(&PyTuple_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyTuple_Type))));
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_r = __pyx_t_3;
+  __pyx_t_3 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__.lambda2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___2lambda3(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___2lambda3 = {__Pyx_NAMESTR("lambda3"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___2lambda3, METH_NOARGS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9__cinit___2lambda3(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("lambda3 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda3(__pyx_self);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":412
+ *         self.bilex_f = defaultdict(int)
+ *         self.bilex_e = defaultdict(int)
+ *         self.bilex_fe = defaultdict(lambda: defaultdict(int))             # <<<<<<<<<<<<<<
+ * 
+ *     def configure(self, SuffixArray fsarray, DataArray edarray,
+ */
+
+static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("lambda3", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_r = __pyx_t_3;
+  __pyx_t_3 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__.lambda3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":288
+ *     cdef bilex_fe
  * 
  *     def __cinit__(self,             # <<<<<<<<<<<<<<
  *             # compiled alignment object (REQUIRED)
@@ -38357,26 +39446,27 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   PyObject *__pyx_t_2 = NULL;
   int __pyx_t_3;
   int __pyx_t_4;
+  PyObject *__pyx_t_5 = NULL;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":316
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":336
  *         respectively.    This is because Chiang's model does not require
  *         them to be the same, therefore we don't either.'''
  *         self.rules = TrieTable(True) # cache             # <<<<<<<<<<<<<<
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:
  */
-  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 336; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 336; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieTable)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieTable)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 336; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
   __Pyx_GIVEREF(__pyx_t_1);
@@ -38385,20 +39475,20 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->rules = ((struct __pyx_obj_3_sa_TrieTable *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":317
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":337
  *         them to be the same, therefore we don't either.'''
  *         self.rules = TrieTable(True) # cache
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())             # <<<<<<<<<<<<<<
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 337; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 337; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
-  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 337; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 337; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   __Pyx_GIVEREF(__pyx_t_2);
@@ -38407,7 +39497,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->rules->root = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":318
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":338
  *         self.rules = TrieTable(True) # cache
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:             # <<<<<<<<<<<<<<
@@ -38417,23 +39507,23 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_t_3 = (((PyObject *)__pyx_v_alignment) == Py_None);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":319
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":339
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")             # <<<<<<<<<<<<<<
  *         self.alignment = alignment
  * 
  */
-    __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_107), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_107), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_Raise(__pyx_t_2, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":320
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":340
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")
  *         self.alignment = alignment             # <<<<<<<<<<<<<<
@@ -38446,7 +39536,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __Pyx_DECREF(((PyObject *)__pyx_v_self->alignment));
   __pyx_v_self->alignment = __pyx_v_alignment;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":324
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":344
  *         # grammar parameters and settings
  *         # NOTE: setting max_nonterminals > 2 is not currently supported in Hiero
  *         self.max_length = max_length             # <<<<<<<<<<<<<<
@@ -38455,7 +39545,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->max_length = __pyx_v_max_length;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":325
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":345
  *         # NOTE: setting max_nonterminals > 2 is not currently supported in Hiero
  *         self.max_length = max_length
  *         self.max_nonterminals = max_nonterminals             # <<<<<<<<<<<<<<
@@ -38464,7 +39554,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->max_nonterminals = __pyx_v_max_nonterminals;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":326
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":346
  *         self.max_length = max_length
  *         self.max_nonterminals = max_nonterminals
  *         self.max_initial_size = max_initial_size             # <<<<<<<<<<<<<<
@@ -38473,7 +39563,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->max_initial_size = __pyx_v_max_initial_size;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":327
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":347
  *         self.max_nonterminals = max_nonterminals
  *         self.max_initial_size = max_initial_size
  *         self.train_max_initial_size = train_max_initial_size             # <<<<<<<<<<<<<<
@@ -38482,7 +39572,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->train_max_initial_size = __pyx_v_train_max_initial_size;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":328
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":348
  *         self.max_initial_size = max_initial_size
  *         self.train_max_initial_size = train_max_initial_size
  *         self.min_gap_size = min_gap_size             # <<<<<<<<<<<<<<
@@ -38491,7 +39581,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->min_gap_size = __pyx_v_min_gap_size;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":329
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":349
  *         self.train_max_initial_size = train_max_initial_size
  *         self.min_gap_size = min_gap_size
  *         self.train_min_gap_size = train_min_gap_size             # <<<<<<<<<<<<<<
@@ -38500,7 +39590,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->train_min_gap_size = __pyx_v_train_min_gap_size;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":330
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":350
  *         self.min_gap_size = min_gap_size
  *         self.train_min_gap_size = train_min_gap_size
  *         self.category = sym_fromstring(category, False)             # <<<<<<<<<<<<<<
@@ -38509,7 +39599,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->category = __pyx_f_3_sa_sym_fromstring(__pyx_v_category, 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":332
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":352
  *         self.category = sym_fromstring(category, False)
  * 
  *         if max_chunks is None:             # <<<<<<<<<<<<<<
@@ -38519,7 +39609,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_t_3 = (__pyx_v_max_chunks == Py_None);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":333
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":353
  * 
  *         if max_chunks is None:
  *             self.max_chunks = self.max_nonterminals + 1             # <<<<<<<<<<<<<<
@@ -38531,19 +39621,19 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":335
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":355
  *             self.max_chunks = self.max_nonterminals + 1
  *         else:
  *             self.max_chunks = max_chunks             # <<<<<<<<<<<<<<
  * 
  *         if max_target_chunks is None:
  */
-    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_chunks); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 335; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_chunks); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->max_chunks = __pyx_t_4;
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":337
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":357
  *             self.max_chunks = max_chunks
  * 
  *         if max_target_chunks is None:             # <<<<<<<<<<<<<<
@@ -38553,7 +39643,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_t_3 = (__pyx_v_max_target_chunks == Py_None);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":338
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":358
  * 
  *         if max_target_chunks is None:
  *             self.max_target_chunks = self.max_nonterminals + 1             # <<<<<<<<<<<<<<
@@ -38565,19 +39655,19 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":340
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":360
  *             self.max_target_chunks = self.max_nonterminals + 1
  *         else:
  *             self.max_target_chunks = max_target_chunks             # <<<<<<<<<<<<<<
  * 
  *         if max_target_length is None:
  */
-    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_target_chunks); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_target_chunks); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->max_target_chunks = __pyx_t_4;
   }
   __pyx_L5:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":342
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":362
  *             self.max_target_chunks = max_target_chunks
  * 
  *         if max_target_length is None:             # <<<<<<<<<<<<<<
@@ -38587,7 +39677,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_t_3 = (__pyx_v_max_target_length == Py_None);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":343
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":363
  * 
  *         if max_target_length is None:
  *             self.max_target_length = max_initial_size             # <<<<<<<<<<<<<<
@@ -38599,26 +39689,26 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":345
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":365
  *             self.max_target_length = max_initial_size
  *         else:
  *             self.max_target_length = max_target_length             # <<<<<<<<<<<<<<
  * 
  *         # algorithmic parameters and settings
  */
-    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_target_length); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 345; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_v_max_target_length); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->max_target_length = __pyx_t_4;
   }
   __pyx_L6:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":348
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":368
  * 
  *         # algorithmic parameters and settings
  *         self.precomputed_collocations = {}             # <<<<<<<<<<<<<<
  *         self.precomputed_index = {}
  *         self.use_index = use_index
  */
-  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 348; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_2));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
   __Pyx_GOTREF(__pyx_v_self->precomputed_collocations);
@@ -38626,14 +39716,14 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->precomputed_collocations = ((PyObject *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":349
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":369
  *         # algorithmic parameters and settings
  *         self.precomputed_collocations = {}
  *         self.precomputed_index = {}             # <<<<<<<<<<<<<<
  *         self.use_index = use_index
  *         self.use_collocations = use_collocations
  */
-  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 349; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_2));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
   __Pyx_GOTREF(__pyx_v_self->precomputed_index);
@@ -38641,7 +39731,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->precomputed_index = ((PyObject *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":350
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":370
  *         self.precomputed_collocations = {}
  *         self.precomputed_index = {}
  *         self.use_index = use_index             # <<<<<<<<<<<<<<
@@ -38650,7 +39740,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_index = __pyx_v_use_index;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":351
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":371
  *         self.precomputed_index = {}
  *         self.use_index = use_index
  *         self.use_collocations = use_collocations             # <<<<<<<<<<<<<<
@@ -38659,14 +39749,14 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_collocations = __pyx_v_use_collocations;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":352
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":372
  *         self.use_index = use_index
  *         self.use_collocations = use_collocations
  *         self.max_rank = {}             # <<<<<<<<<<<<<<
  *         self.precompute_file = precompute_file
  *         self.precompute_rank = precompute_rank
  */
-  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 352; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 372; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_2));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
   __Pyx_GOTREF(__pyx_v_self->max_rank);
@@ -38674,7 +39764,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->max_rank = ((PyObject *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":353
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":373
  *         self.use_collocations = use_collocations
  *         self.max_rank = {}
  *         self.precompute_file = precompute_file             # <<<<<<<<<<<<<<
@@ -38687,7 +39777,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __Pyx_DECREF(__pyx_v_self->precompute_file);
   __pyx_v_self->precompute_file = __pyx_v_precompute_file;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":354
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":374
  *         self.max_rank = {}
  *         self.precompute_file = precompute_file
  *         self.precompute_rank = precompute_rank             # <<<<<<<<<<<<<<
@@ -38696,7 +39786,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->precompute_rank = __pyx_v_precompute_rank;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":355
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":375
  *         self.precompute_file = precompute_file
  *         self.precompute_rank = precompute_rank
  *         self.precompute_secondary_rank = precompute_secondary_rank             # <<<<<<<<<<<<<<
@@ -38705,7 +39795,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->precompute_secondary_rank = __pyx_v_precompute_secondary_rank;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":356
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":376
  *         self.precompute_rank = precompute_rank
  *         self.precompute_secondary_rank = precompute_secondary_rank
  *         self.use_baeza_yates = use_baeza_yates             # <<<<<<<<<<<<<<
@@ -38714,7 +39804,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_baeza_yates = __pyx_v_use_baeza_yates;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":357
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":377
  *         self.precompute_secondary_rank = precompute_secondary_rank
  *         self.use_baeza_yates = use_baeza_yates
  *         self.by_slack_factor = by_slack_factor             # <<<<<<<<<<<<<<
@@ -38723,7 +39813,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->by_slack_factor = __pyx_v_by_slack_factor;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":358
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":378
  *         self.use_baeza_yates = use_baeza_yates
  *         self.by_slack_factor = by_slack_factor
  *         self.tight_phrases = tight_phrases             # <<<<<<<<<<<<<<
@@ -38732,7 +39822,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->tight_phrases = __pyx_v_tight_phrases;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":360
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":380
  *         self.tight_phrases = tight_phrases
  * 
  *         if require_aligned_chunks:             # <<<<<<<<<<<<<<
@@ -38741,7 +39831,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   if (__pyx_v_require_aligned_chunks) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":362
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":382
  *         if require_aligned_chunks:
  *             # one condition is a stronger version of the other.
  *             self.require_aligned_chunks = self.require_aligned_terminal = True             # <<<<<<<<<<<<<<
@@ -38753,7 +39843,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
     goto __pyx_L7;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":363
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":383
  *             # one condition is a stronger version of the other.
  *             self.require_aligned_chunks = self.require_aligned_terminal = True
  *         elif require_aligned_terminal:             # <<<<<<<<<<<<<<
@@ -38762,7 +39852,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   if (__pyx_v_require_aligned_terminal) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":364
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":384
  *             self.require_aligned_chunks = self.require_aligned_terminal = True
  *         elif require_aligned_terminal:
  *             self.require_aligned_chunks = False             # <<<<<<<<<<<<<<
@@ -38771,7 +39861,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
     __pyx_v_self->require_aligned_chunks = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":365
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":385
  *         elif require_aligned_terminal:
  *             self.require_aligned_chunks = False
  *             self.require_aligned_terminal = True             # <<<<<<<<<<<<<<
@@ -38783,7 +39873,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":367
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":387
  *             self.require_aligned_terminal = True
  *         else:
  *             self.require_aligned_chunks = self.require_aligned_terminal = False             # <<<<<<<<<<<<<<
@@ -38795,7 +39885,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   __pyx_L7:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":370
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":390
  * 
  *         # diagnostics
  *         self.prev_norm_prefix = ()             # <<<<<<<<<<<<<<
@@ -38808,17 +39898,17 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __Pyx_DECREF(__pyx_v_self->prev_norm_prefix);
   __pyx_v_self->prev_norm_prefix = ((PyObject *)__pyx_empty_tuple);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":372
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":392
  *         self.prev_norm_prefix = ()
  * 
  *         self.findexes = IntList(initial_len=10)             # <<<<<<<<<<<<<<
  *         self.findexes1 = IntList(initial_len=10)
  * 
  */
-  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 372; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-  if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 372; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 372; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
   __Pyx_GIVEREF(__pyx_t_1);
@@ -38827,17 +39917,17 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->findexes = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":373
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":393
  * 
  *         self.findexes = IntList(initial_len=10)
  *         self.findexes1 = IntList(initial_len=10)             # <<<<<<<<<<<<<<
  * 
- *     def configure(self, SuffixArray fsarray, DataArray edarray,
+ *         # Online stats
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   __Pyx_GIVEREF(__pyx_t_2);
@@ -38846,11 +39936,219 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->findexes1 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
   __pyx_t_2 = 0;
 
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":398
+ * 
+ *         # True after data is added
+ *         self.online = False             # <<<<<<<<<<<<<<
+ * 
+ *         # Keep track of everything that can be sampled:
+ */
+  __pyx_v_self->online = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":401
+ * 
+ *         # Keep track of everything that can be sampled:
+ *         self.samples_f = defaultdict(int)             # <<<<<<<<<<<<<<
+ * 
+ *         # Phrase counts
+ */
+  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_GIVEREF(__pyx_t_5);
+  __Pyx_GOTREF(__pyx_v_self->samples_f);
+  __Pyx_DECREF(__pyx_v_self->samples_f);
+  __pyx_v_self->samples_f = __pyx_t_5;
+  __pyx_t_5 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":404
+ * 
+ *         # Phrase counts
+ *         self.phrases_f = defaultdict(int)             # <<<<<<<<<<<<<<
+ *         self.phrases_e = defaultdict(int)
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))
+ */
+  __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_2 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_GIVEREF(__pyx_t_2);
+  __Pyx_GOTREF(__pyx_v_self->phrases_f);
+  __Pyx_DECREF(__pyx_v_self->phrases_f);
+  __pyx_v_self->phrases_f = __pyx_t_2;
+  __pyx_t_2 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":405
+ *         # Phrase counts
+ *         self.phrases_f = defaultdict(int)
+ *         self.phrases_e = defaultdict(int)             # <<<<<<<<<<<<<<
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))
+ *         self.phrases_al = defaultdict(lambda: defaultdict(tuple))
+ */
+  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_GIVEREF(__pyx_t_5);
+  __Pyx_GOTREF(__pyx_v_self->phrases_e);
+  __Pyx_DECREF(__pyx_v_self->phrases_e);
+  __pyx_v_self->phrases_e = __pyx_t_5;
+  __pyx_t_5 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":406
+ *         self.phrases_f = defaultdict(int)
+ *         self.phrases_e = defaultdict(int)
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))             # <<<<<<<<<<<<<<
+ *         self.phrases_al = defaultdict(lambda: defaultdict(tuple))
+ * 
+ */
+  __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_1 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___lambda1, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __Pyx_GIVEREF(__pyx_t_1);
+  __Pyx_GOTREF(__pyx_v_self->phrases_fe);
+  __Pyx_DECREF(__pyx_v_self->phrases_fe);
+  __pyx_v_self->phrases_fe = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":407
+ *         self.phrases_e = defaultdict(int)
+ *         self.phrases_fe = defaultdict(lambda: defaultdict(int))
+ *         self.phrases_al = defaultdict(lambda: defaultdict(tuple))             # <<<<<<<<<<<<<<
+ * 
+ *         # Bilexical counts
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___1lambda2, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __pyx_t_2 = 0;
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  __Pyx_GIVEREF(__pyx_t_2);
+  __Pyx_GOTREF(__pyx_v_self->phrases_al);
+  __Pyx_DECREF(__pyx_v_self->phrases_al);
+  __pyx_v_self->phrases_al = __pyx_t_2;
+  __pyx_t_2 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":410
+ * 
+ *         # Bilexical counts
+ *         self.bilex_f = defaultdict(int)             # <<<<<<<<<<<<<<
+ *         self.bilex_e = defaultdict(int)
+ *         self.bilex_fe = defaultdict(lambda: defaultdict(int))
+ */
+  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  __Pyx_GIVEREF(__pyx_t_1);
+  __Pyx_GOTREF(__pyx_v_self->bilex_f);
+  __Pyx_DECREF(__pyx_v_self->bilex_f);
+  __pyx_v_self->bilex_f = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":411
+ *         # Bilexical counts
+ *         self.bilex_f = defaultdict(int)
+ *         self.bilex_e = defaultdict(int)             # <<<<<<<<<<<<<<
+ *         self.bilex_fe = defaultdict(lambda: defaultdict(int))
+ * 
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_INCREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)((PyObject*)(&PyInt_Type))));
+  __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyInt_Type))));
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+  __Pyx_GIVEREF(__pyx_t_2);
+  __Pyx_GOTREF(__pyx_v_self->bilex_e);
+  __Pyx_DECREF(__pyx_v_self->bilex_e);
+  __pyx_v_self->bilex_e = __pyx_t_2;
+  __pyx_t_2 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":412
+ *         self.bilex_f = defaultdict(int)
+ *         self.bilex_e = defaultdict(int)
+ *         self.bilex_fe = defaultdict(lambda: defaultdict(int))             # <<<<<<<<<<<<<<
+ * 
+ *     def configure(self, SuffixArray fsarray, DataArray edarray,
+ */
+  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_5 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_9__cinit___2lambda3, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_5);
+  __Pyx_GIVEREF(__pyx_t_5);
+  __pyx_t_5 = 0;
+  __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_GIVEREF(__pyx_t_5);
+  __Pyx_GOTREF(__pyx_v_self->bilex_fe);
+  __Pyx_DECREF(__pyx_v_self->bilex_fe);
+  __pyx_v_self->bilex_fe = __pyx_t_5;
+  __pyx_t_5 = 0;
+
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_5);
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
   __pyx_L0:;
@@ -38891,21 +40189,21 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure(PyObject *__
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__edarray)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sampler)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  3:
         if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__scorer)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "configure") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "configure") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 4) {
       goto __pyx_L5_argtuple_error;
@@ -38922,16 +40220,16 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure(PyObject *__
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.configure", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return NULL;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_3_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_edarray), __pyx_ptype_3_sa_DataArray, 1, "edarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_sampler), __pyx_ptype_3_sa_Sampler, 1, "sampler", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_scorer), __pyx_ptype_3_sa_Scorer, 1, "scorer", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_3_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_edarray), __pyx_ptype_3_sa_DataArray, 1, "edarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_sampler), __pyx_ptype_3_sa_Sampler, 1, "sampler", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 415; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_scorer), __pyx_ptype_3_sa_Scorer, 1, "scorer", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 415; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_fsarray, __pyx_v_edarray, __pyx_v_sampler, __pyx_v_scorer);
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -38941,8 +40239,8 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":375
- *         self.findexes1 = IntList(initial_len=10)
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":414
+ *         self.bilex_fe = defaultdict(lambda: defaultdict(int))
  * 
  *     def configure(self, SuffixArray fsarray, DataArray edarray,             # <<<<<<<<<<<<<<
  *             Sampler sampler, Scorer scorer):
@@ -38959,7 +40257,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("configure", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":380
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":419
  *         Here we also use it to precompute the most expensive intersections
  *         in the corpus quickly.'''
  *         self.fsa = fsarray             # <<<<<<<<<<<<<<
@@ -38972,7 +40270,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   __Pyx_DECREF(((PyObject *)__pyx_v_self->fsa));
   __pyx_v_self->fsa = __pyx_v_fsarray;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":381
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":420
  *         in the corpus quickly.'''
  *         self.fsa = fsarray
  *         self.fda = fsarray.darray             # <<<<<<<<<<<<<<
@@ -38985,7 +40283,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   __Pyx_DECREF(((PyObject *)__pyx_v_self->fda));
   __pyx_v_self->fda = __pyx_v_fsarray->darray;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":382
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":421
  *         self.fsa = fsarray
  *         self.fda = fsarray.darray
  *         self.eda = edarray             # <<<<<<<<<<<<<<
@@ -38998,7 +40296,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   __Pyx_DECREF(((PyObject *)__pyx_v_self->eda));
   __pyx_v_self->eda = __pyx_v_edarray;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":383
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":422
  *         self.fda = fsarray.darray
  *         self.eda = edarray
  *         self.fid2symid = self.set_idmap(self.fda)             # <<<<<<<<<<<<<<
@@ -39007,17 +40305,17 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
  */
   __pyx_t_1 = ((PyObject *)__pyx_v_self->fda);
   __Pyx_INCREF(__pyx_t_1);
-  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->set_idmap(__pyx_v_self, ((struct __pyx_obj_3_sa_DataArray *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->set_idmap(__pyx_v_self, ((struct __pyx_obj_3_sa_DataArray *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 422; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 422; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GIVEREF(__pyx_t_2);
   __Pyx_GOTREF(__pyx_v_self->fid2symid);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->fid2symid));
   __pyx_v_self->fid2symid = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":384
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":423
  *         self.eda = edarray
  *         self.fid2symid = self.set_idmap(self.fda)
  *         self.eid2symid = self.set_idmap(self.eda)             # <<<<<<<<<<<<<<
@@ -39026,31 +40324,31 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
  */
   __pyx_t_2 = ((PyObject *)__pyx_v_self->eda);
   __Pyx_INCREF(__pyx_t_2);
-  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->set_idmap(__pyx_v_self, ((struct __pyx_obj_3_sa_DataArray *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 384; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->set_idmap(__pyx_v_self, ((struct __pyx_obj_3_sa_DataArray *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 384; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GIVEREF(__pyx_t_1);
   __Pyx_GOTREF(__pyx_v_self->eid2symid);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->eid2symid));
   __pyx_v_self->eid2symid = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":385
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":424
  *         self.fid2symid = self.set_idmap(self.fda)
  *         self.eid2symid = self.set_idmap(self.eda)
  *         self.precompute()             # <<<<<<<<<<<<<<
  *         self.sampler = sampler
  *         self.scorer = scorer
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__precompute); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 385; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__precompute); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 385; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":386
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":425
  *         self.eid2symid = self.set_idmap(self.eda)
  *         self.precompute()
  *         self.sampler = sampler             # <<<<<<<<<<<<<<
@@ -39063,7 +40361,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   __Pyx_DECREF(((PyObject *)__pyx_v_self->sampler));
   __pyx_v_self->sampler = __pyx_v_sampler;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":387
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":426
  *         self.precompute()
  *         self.sampler = sampler
  *         self.scorer = scorer             # <<<<<<<<<<<<<<
@@ -39089,7 +40387,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":389
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":428
  *         self.scorer = scorer
  * 
  *     cdef set_idmap(self, DataArray darray):             # <<<<<<<<<<<<<<
@@ -39114,7 +40412,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap(CYTHON_UNUSED
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("set_idmap", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":393
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":432
  *         cdef IntList idmap
  * 
  *         N = len(darray.id2word)             # <<<<<<<<<<<<<<
@@ -39123,30 +40421,30 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap(CYTHON_UNUSED
  */
   __pyx_t_1 = __pyx_v_darray->id2word;
   __Pyx_INCREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 432; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_v_N = __pyx_t_2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":394
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":433
  * 
  *         N = len(darray.id2word)
  *         idmap = IntList(initial_len=N)             # <<<<<<<<<<<<<<
  *         for word_id from 0 <= word_id < N:
  *             new_word_id = sym_fromstring(darray.id2word[word_id], True)
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  __pyx_t_3 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   __pyx_v_idmap = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":395
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":434
  *         N = len(darray.id2word)
  *         idmap = IntList(initial_len=N)
  *         for word_id from 0 <= word_id < N:             # <<<<<<<<<<<<<<
@@ -39156,20 +40454,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap(CYTHON_UNUSED
   __pyx_t_4 = __pyx_v_N;
   for (__pyx_v_word_id = 0; __pyx_v_word_id < __pyx_t_4; __pyx_v_word_id++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":396
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":435
  *         idmap = IntList(initial_len=N)
  *         for word_id from 0 <= word_id < N:
  *             new_word_id = sym_fromstring(darray.id2word[word_id], True)             # <<<<<<<<<<<<<<
  *             idmap.arr[word_id] = new_word_id
  *         return idmap
  */
-    __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_darray->id2word, __pyx_v_word_id, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_darray->id2word, __pyx_v_word_id, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_5 = PyBytes_AsString(__pyx_t_3); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyBytes_AsString(__pyx_t_3); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __pyx_v_new_word_id = __pyx_f_3_sa_sym_fromstring(__pyx_t_5, 1);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":397
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":436
  *         for word_id from 0 <= word_id < N:
  *             new_word_id = sym_fromstring(darray.id2word[word_id], True)
  *             idmap.arr[word_id] = new_word_id             # <<<<<<<<<<<<<<
@@ -39179,7 +40477,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap(CYTHON_UNUSED
     (__pyx_v_idmap->arr[__pyx_v_word_id]) = __pyx_v_new_word_id;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":398
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":437
  *             new_word_id = sym_fromstring(darray.id2word[word_id], True)
  *             idmap.arr[word_id] = new_word_id
  *         return idmap             # <<<<<<<<<<<<<<
@@ -39216,7 +40514,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5pattern2phrase(PyObjec
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":401
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":440
  * 
  * 
  *     def pattern2phrase(self, pattern):             # <<<<<<<<<<<<<<
@@ -39244,7 +40542,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("pattern2phrase", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":403
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":442
  *     def pattern2phrase(self, pattern):
  *         # pattern is a tuple, which we must convert to a hiero Phrase
  *         result = ()             # <<<<<<<<<<<<<<
@@ -39254,7 +40552,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
   __Pyx_INCREF(((PyObject *)__pyx_empty_tuple));
   __pyx_v_result = __pyx_empty_tuple;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":404
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":443
  *         # pattern is a tuple, which we must convert to a hiero Phrase
  *         result = ()
  *         arity = 0             # <<<<<<<<<<<<<<
@@ -39264,7 +40562,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
   __Pyx_INCREF(__pyx_int_0);
   __pyx_v_arity = __pyx_int_0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":405
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":444
  *         result = ()
  *         arity = 0
  *         for word_id in pattern:             # <<<<<<<<<<<<<<
@@ -39275,7 +40573,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
     __pyx_t_1 = __pyx_v_pattern; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_pattern); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_pattern); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -39283,23 +40581,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -39309,74 +40607,74 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
     __pyx_v_word_id = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":406
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":445
  *         arity = 0
  *         for word_id in pattern:
  *             if word_id == -1:             # <<<<<<<<<<<<<<
  *                 arity = arity + 1
  *                 new_id = sym_setindex(self.category, arity)
  */
-    __pyx_t_4 = PyObject_RichCompare(__pyx_v_word_id, __pyx_int_neg_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_word_id, __pyx_int_neg_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     if (__pyx_t_5) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":407
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":446
  *         for word_id in pattern:
  *             if word_id == -1:
  *                 arity = arity + 1             # <<<<<<<<<<<<<<
  *                 new_id = sym_setindex(self.category, arity)
  *             else:
  */
-      __pyx_t_4 = PyNumber_Add(__pyx_v_arity, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyNumber_Add(__pyx_v_arity, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_v_arity);
       __pyx_v_arity = __pyx_t_4;
       __pyx_t_4 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":408
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":447
  *             if word_id == -1:
  *                 arity = arity + 1
  *                 new_id = sym_setindex(self.category, arity)             # <<<<<<<<<<<<<<
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  */
-      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_arity); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 408; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_arity); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_v_new_id = __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_t_6);
       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":410
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":449
  *                 new_id = sym_setindex(self.category, arity)
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)             # <<<<<<<<<<<<<<
  *             result = result + (new_id,)
  *         return Phrase(result)
  */
-      __pyx_t_4 = PyObject_GetItem(__pyx_v_self->fda->id2word, __pyx_v_word_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_GetItem(__pyx_v_self->fda->id2word, __pyx_v_word_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_7 = PyBytes_AsString(__pyx_t_4); if (unlikely((!__pyx_t_7) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyBytes_AsString(__pyx_t_4); if (unlikely((!__pyx_t_7) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_v_new_id = __pyx_f_3_sa_sym_fromstring(__pyx_t_7, 1);
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":411
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":450
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  *             result = result + (new_id,)             # <<<<<<<<<<<<<<
  *         return Phrase(result)
  * 
  */
-    __pyx_t_4 = PyInt_FromLong(__pyx_v_new_id); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_new_id); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_4);
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_t_4 = 0;
-    __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_4));
     __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_v_result));
@@ -39385,7 +40683,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":412
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":451
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  *             result = result + (new_id,)
  *         return Phrase(result)             # <<<<<<<<<<<<<<
@@ -39393,12 +40691,12 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct
  *     def pattern2phrase_plus(self, pattern):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_INCREF(((PyObject *)__pyx_v_result));
   PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_result));
   __Pyx_GIVEREF(((PyObject *)__pyx_v_result));
-  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   __pyx_r = __pyx_t_4;
@@ -39433,7 +40731,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_7pattern2phrase_plus(Py
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":414
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":453
  *         return Phrase(result)
  * 
  *     def pattern2phrase_plus(self, pattern):             # <<<<<<<<<<<<<<
@@ -39463,19 +40761,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("pattern2phrase_plus", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":417
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":456
  *         # returns a list containing both the pattern, and pattern
  *         # suffixed/prefixed with the NT category.
  *         patterns = []             # <<<<<<<<<<<<<<
  *         result = ()
  *         arity = 0
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 417; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_patterns = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":418
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":457
  *         # suffixed/prefixed with the NT category.
  *         patterns = []
  *         result = ()             # <<<<<<<<<<<<<<
@@ -39485,7 +40783,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
   __Pyx_INCREF(((PyObject *)__pyx_empty_tuple));
   __pyx_v_result = __pyx_empty_tuple;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":419
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":458
  *         patterns = []
  *         result = ()
  *         arity = 0             # <<<<<<<<<<<<<<
@@ -39495,7 +40793,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
   __Pyx_INCREF(__pyx_int_0);
   __pyx_v_arity = __pyx_int_0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":420
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":459
  *         result = ()
  *         arity = 0
  *         for word_id in pattern:             # <<<<<<<<<<<<<<
@@ -39506,7 +40804,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
     __pyx_t_1 = __pyx_v_pattern; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_pattern); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_pattern); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -39514,23 +40812,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -39540,74 +40838,74 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
     __pyx_v_word_id = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":421
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":460
  *         arity = 0
  *         for word_id in pattern:
  *             if word_id == -1:             # <<<<<<<<<<<<<<
  *                 arity = arity + 1
  *                 new_id = sym_setindex(self.category, arity)
  */
-    __pyx_t_4 = PyObject_RichCompare(__pyx_v_word_id, __pyx_int_neg_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 421; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 421; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_word_id, __pyx_int_neg_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     if (__pyx_t_5) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":422
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":461
  *         for word_id in pattern:
  *             if word_id == -1:
  *                 arity = arity + 1             # <<<<<<<<<<<<<<
  *                 new_id = sym_setindex(self.category, arity)
  *             else:
  */
-      __pyx_t_4 = PyNumber_Add(__pyx_v_arity, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 422; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyNumber_Add(__pyx_v_arity, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 461; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_v_arity);
       __pyx_v_arity = __pyx_t_4;
       __pyx_t_4 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":423
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":462
  *             if word_id == -1:
  *                 arity = arity + 1
  *                 new_id = sym_setindex(self.category, arity)             # <<<<<<<<<<<<<<
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  */
-      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_arity); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_arity); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 462; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_v_new_id = __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_t_6);
       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":425
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":464
  *                 new_id = sym_setindex(self.category, arity)
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)             # <<<<<<<<<<<<<<
  *             result = result + (new_id,)
  *         patterns.append(Phrase(result))
  */
-      __pyx_t_4 = PyObject_GetItem(__pyx_v_self->fda->id2word, __pyx_v_word_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_GetItem(__pyx_v_self->fda->id2word, __pyx_v_word_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 464; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_7 = PyBytes_AsString(__pyx_t_4); if (unlikely((!__pyx_t_7) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyBytes_AsString(__pyx_t_4); if (unlikely((!__pyx_t_7) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 464; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_v_new_id = __pyx_f_3_sa_sym_fromstring(__pyx_t_7, 1);
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":426
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":465
  *             else:
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  *             result = result + (new_id,)             # <<<<<<<<<<<<<<
  *         patterns.append(Phrase(result))
  *         patterns.append(Phrase(result + (sym_setindex(self.category, 1),)))
  */
-    __pyx_t_4 = PyInt_FromLong(__pyx_v_new_id); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_new_id); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_4);
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_t_4 = 0;
-    __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_4));
     __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_v_result));
@@ -39616,81 +40914,81 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(st
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":427
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":466
  *                 new_id = sym_fromstring(self.fda.id2word[word_id], True)
  *             result = result + (new_id,)
  *         patterns.append(Phrase(result))             # <<<<<<<<<<<<<<
  *         patterns.append(Phrase(result + (sym_setindex(self.category, 1),)))
  *         patterns.append(Phrase((sym_setindex(self.category, 1),) + result))
  */
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_INCREF(((PyObject *)__pyx_v_result));
   PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_result));
   __Pyx_GIVEREF(((PyObject *)__pyx_v_result));
-  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":428
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":467
  *             result = result + (new_id,)
  *         patterns.append(Phrase(result))
  *         patterns.append(Phrase(result + (sym_setindex(self.category, 1),)))             # <<<<<<<<<<<<<<
  *         patterns.append(Phrase((sym_setindex(self.category, 1),) + result))
  *         return patterns
  */
-  __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_4);
   __Pyx_GIVEREF(__pyx_t_4);
   __pyx_t_4 = 0;
-  __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_v_result), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_t_4));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
   __pyx_t_4 = 0;
-  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":429
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":468
  *         patterns.append(Phrase(result))
  *         patterns.append(Phrase(result + (sym_setindex(self.category, 1),)))
  *         patterns.append(Phrase((sym_setindex(self.category, 1),) + result))             # <<<<<<<<<<<<<<
  *         return patterns
  * 
  */
-  __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, 1)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_4);
   __Pyx_GIVEREF(__pyx_t_4);
   __pyx_t_4 = 0;
-  __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_t_1), ((PyObject *)__pyx_v_result)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyNumber_Add(((PyObject *)__pyx_t_1), ((PyObject *)__pyx_v_result)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_t_4));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
   __pyx_t_4 = 0;
-  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = PyList_Append(__pyx_v_patterns, __pyx_t_4); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":430
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":469
  *         patterns.append(Phrase(result + (sym_setindex(self.category, 1),)))
  *         patterns.append(Phrase((sym_setindex(self.category, 1),) + result))
  *         return patterns             # <<<<<<<<<<<<<<
@@ -39731,7 +41029,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9precompute(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":432
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":471
  *         return patterns
  * 
  *     def precompute(self):             # <<<<<<<<<<<<<<
@@ -39765,7 +41063,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("precompute", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":435
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":474
  *         cdef Precomputation pre
  * 
  *         if self.precompute_file is not None:             # <<<<<<<<<<<<<<
@@ -39775,34 +41073,34 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
   __pyx_t_1 = (__pyx_v_self->precompute_file != Py_None);
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":436
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":475
  * 
  *         if self.precompute_file is not None:
  *             start_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *             logger.info("Reading precomputed data from file %s... ", self.precompute_file)
  *             pre = Precomputation(from_binary=self.precompute_file)
  */
-    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 436; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 436; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __pyx_v_start_time = __pyx_t_3;
     __pyx_t_3 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":437
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":476
  *         if self.precompute_file is not None:
  *             start_time = monitor_cpu()
  *             logger.info("Reading precomputed data from file %s... ", self.precompute_file)             # <<<<<<<<<<<<<<
  *             pre = Precomputation(from_binary=self.precompute_file)
  *             # check parameters of precomputation -- some are critical and some are not
  */
-    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_2 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_INCREF(((PyObject *)__pyx_kp_s_108));
     PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_108));
@@ -39810,29 +41108,29 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     __Pyx_INCREF(__pyx_v_self->precompute_file);
     PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_v_self->precompute_file);
     __Pyx_GIVEREF(__pyx_v_self->precompute_file);
-    __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":438
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":477
  *             start_time = monitor_cpu()
  *             logger.info("Reading precomputed data from file %s... ", self.precompute_file)
  *             pre = Precomputation(from_binary=self.precompute_file)             # <<<<<<<<<<<<<<
  *             # check parameters of precomputation -- some are critical and some are not
  *             if pre.max_nonterminals != self.max_nonterminals:
  */
-    __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 438; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 477; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_4));
-    if (PyDict_SetItem(__pyx_t_4, ((PyObject *)__pyx_n_s__from_binary), __pyx_v_self->precompute_file) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 438; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Precomputation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 438; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_4, ((PyObject *)__pyx_n_s__from_binary), __pyx_v_self->precompute_file) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 477; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Precomputation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 477; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
     __pyx_v_pre = ((struct __pyx_obj_3_sa_Precomputation *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":440
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":479
  *             pre = Precomputation(from_binary=self.precompute_file)
  *             # check parameters of precomputation -- some are critical and some are not
  *             if pre.max_nonterminals != self.max_nonterminals:             # <<<<<<<<<<<<<<
@@ -39842,23 +41140,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     __pyx_t_1 = (__pyx_v_pre->max_nonterminals != __pyx_v_self->max_nonterminals);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":441
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":480
  *             # check parameters of precomputation -- some are critical and some are not
  *             if pre.max_nonterminals != self.max_nonterminals:
  *                 logger.warn("Precomputation done with max nonterminals %d, decoder uses %d", pre.max_nonterminals, self.max_nonterminals)             # <<<<<<<<<<<<<<
  *             if pre.max_length != self.max_length:
  *                 logger.warn("Precomputation done with max terminals %d, decoder uses %d", pre.max_length, self.max_length)
  */
-      __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__warn); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__warn); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_pre->max_nonterminals); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_pre->max_nonterminals); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_2 = PyInt_FromLong(__pyx_v_self->max_nonterminals); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong(__pyx_v_self->max_nonterminals); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_INCREF(((PyObject *)__pyx_kp_s_109));
       PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)__pyx_kp_s_109));
@@ -39869,7 +41167,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __Pyx_GIVEREF(__pyx_t_2);
       __pyx_t_3 = 0;
       __pyx_t_2 = 0;
-      __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 480; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
@@ -39878,7 +41176,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     }
     __pyx_L4:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":442
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":481
  *             if pre.max_nonterminals != self.max_nonterminals:
  *                 logger.warn("Precomputation done with max nonterminals %d, decoder uses %d", pre.max_nonterminals, self.max_nonterminals)
  *             if pre.max_length != self.max_length:             # <<<<<<<<<<<<<<
@@ -39888,23 +41186,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     __pyx_t_1 = (__pyx_v_pre->max_length != __pyx_v_self->max_length);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":443
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":482
  *                 logger.warn("Precomputation done with max nonterminals %d, decoder uses %d", pre.max_nonterminals, self.max_nonterminals)
  *             if pre.max_length != self.max_length:
  *                 logger.warn("Precomputation done with max terminals %d, decoder uses %d", pre.max_length, self.max_length)             # <<<<<<<<<<<<<<
  *             if pre.train_max_initial_size != self.train_max_initial_size:
  *                 raise Exception("Precomputation done with max initial size %d, decoder uses %d" % (pre.train_max_initial_size, self.train_max_initial_size))
  */
-      __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_5 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__warn); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__warn); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_2 = PyInt_FromLong(__pyx_v_pre->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong(__pyx_v_pre->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_4 = PyInt_FromLong(__pyx_v_self->max_length); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_self->max_length); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_INCREF(((PyObject *)__pyx_kp_s_110));
       PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_110));
@@ -39915,7 +41213,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __Pyx_GIVEREF(__pyx_t_4);
       __pyx_t_2 = 0;
       __pyx_t_4 = 0;
-      __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -39924,7 +41222,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":444
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":483
  *             if pre.max_length != self.max_length:
  *                 logger.warn("Precomputation done with max terminals %d, decoder uses %d", pre.max_length, self.max_length)
  *             if pre.train_max_initial_size != self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -39934,18 +41232,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     __pyx_t_1 = (__pyx_v_pre->train_max_initial_size != __pyx_v_self->train_max_initial_size);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":445
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":484
  *                 logger.warn("Precomputation done with max terminals %d, decoder uses %d", pre.max_length, self.max_length)
  *             if pre.train_max_initial_size != self.train_max_initial_size:
  *                 raise Exception("Precomputation done with max initial size %d, decoder uses %d" % (pre.train_max_initial_size, self.train_max_initial_size))             # <<<<<<<<<<<<<<
  *             if pre.train_min_gap_size != self.train_min_gap_size:
  *                 raise Exception("Precomputation done with min gap size %d, decoder uses %d" % (pre.train_min_gap_size, self.train_min_gap_size))
  */
-      __pyx_t_4 = PyInt_FromLong(__pyx_v_pre->train_max_initial_size); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(__pyx_v_pre->train_max_initial_size); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_self->train_max_initial_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_self->train_max_initial_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4);
       __Pyx_GIVEREF(__pyx_t_4);
@@ -39953,25 +41251,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __Pyx_GIVEREF(__pyx_t_3);
       __pyx_t_4 = 0;
       __pyx_t_3 = 0;
-      __pyx_t_3 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_111), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_111), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_3));
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
-      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)__pyx_t_3));
       __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
       __pyx_t_3 = 0;
-      __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
       __Pyx_Raise(__pyx_t_3, 0, 0, 0);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 445; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       goto __pyx_L6;
     }
     __pyx_L6:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":446
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":485
  *             if pre.train_max_initial_size != self.train_max_initial_size:
  *                 raise Exception("Precomputation done with max initial size %d, decoder uses %d" % (pre.train_max_initial_size, self.train_max_initial_size))
  *             if pre.train_min_gap_size != self.train_min_gap_size:             # <<<<<<<<<<<<<<
@@ -39981,18 +41279,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     __pyx_t_1 = (__pyx_v_pre->train_min_gap_size != __pyx_v_self->train_min_gap_size);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":447
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":486
  *                 raise Exception("Precomputation done with max initial size %d, decoder uses %d" % (pre.train_max_initial_size, self.train_max_initial_size))
  *             if pre.train_min_gap_size != self.train_min_gap_size:
  *                 raise Exception("Precomputation done with min gap size %d, decoder uses %d" % (pre.train_min_gap_size, self.train_min_gap_size))             # <<<<<<<<<<<<<<
  *             if self.use_index:
  *                 logger.info("Converting %d hash keys on precomputed inverted index... ", len(pre.precomputed_index))
  */
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_pre->train_min_gap_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_pre->train_min_gap_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyInt_FromLong(__pyx_v_self->train_min_gap_size); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyInt_FromLong(__pyx_v_self->train_min_gap_size); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
       __Pyx_GIVEREF(__pyx_t_3);
@@ -40000,25 +41298,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __Pyx_GIVEREF(__pyx_t_5);
       __pyx_t_3 = 0;
       __pyx_t_5 = 0;
-      __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_112), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_112), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_5));
       __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
-      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_5));
       __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
       __pyx_t_5 = 0;
-      __pyx_t_5 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
       __Pyx_Raise(__pyx_t_5, 0, 0, 0);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 447; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       goto __pyx_L7;
     }
     __pyx_L7:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":448
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":487
  *             if pre.train_min_gap_size != self.train_min_gap_size:
  *                 raise Exception("Precomputation done with min gap size %d, decoder uses %d" % (pre.train_min_gap_size, self.train_min_gap_size))
  *             if self.use_index:             # <<<<<<<<<<<<<<
@@ -40027,25 +41325,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
  */
     if (__pyx_v_self->use_index) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":449
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":488
  *                 raise Exception("Precomputation done with min gap size %d, decoder uses %d" % (pre.train_min_gap_size, self.train_min_gap_size))
  *             if self.use_index:
  *                 logger.info("Converting %d hash keys on precomputed inverted index... ", len(pre.precomputed_index))             # <<<<<<<<<<<<<<
  *                 for pattern, arr in pre.precomputed_index.iteritems():
  *                     phrases = self.pattern2phrase_plus(pattern)
  */
-      __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_4 = PyObject_GetAttr(__pyx_t_5, __pyx_n_s__info); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_GetAttr(__pyx_t_5, __pyx_n_s__info); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __pyx_t_5 = __pyx_v_pre->precomputed_index;
       __Pyx_INCREF(__pyx_t_5);
-      __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_5 = PyInt_FromSsize_t(__pyx_t_6); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyInt_FromSsize_t(__pyx_t_6); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_INCREF(((PyObject *)__pyx_kp_s_113));
       PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_113));
@@ -40053,13 +41351,13 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_5);
       __Pyx_GIVEREF(__pyx_t_5);
       __pyx_t_5 = 0;
-      __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 449; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 488; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":450
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":489
  *             if self.use_index:
  *                 logger.info("Converting %d hash keys on precomputed inverted index... ", len(pre.precomputed_index))
  *                 for pattern, arr in pre.precomputed_index.iteritems():             # <<<<<<<<<<<<<<
@@ -40069,9 +41367,9 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __pyx_t_6 = 0;
       if (unlikely(__pyx_v_pre->precomputed_index == Py_None)) {
         PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "iteritems");
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 489; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
-      __pyx_t_3 = __Pyx_dict_iterator(__pyx_v_pre->precomputed_index, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_7), (&__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_dict_iterator(__pyx_v_pre->precomputed_index, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_7), (&__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 489; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_XDECREF(__pyx_t_5);
       __pyx_t_5 = __pyx_t_3;
@@ -40079,7 +41377,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       while (1) {
         __pyx_t_9 = __Pyx_dict_iter_next(__pyx_t_5, __pyx_t_7, &__pyx_t_6, &__pyx_t_3, &__pyx_t_4, NULL, __pyx_t_8);
         if (unlikely(__pyx_t_9 == 0)) break;
-        if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 450; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 489; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_XDECREF(__pyx_v_pattern);
@@ -40089,21 +41387,21 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
         __pyx_v_arr = __pyx_t_4;
         __pyx_t_4 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":451
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":490
  *                 logger.info("Converting %d hash keys on precomputed inverted index... ", len(pre.precomputed_index))
  *                 for pattern, arr in pre.precomputed_index.iteritems():
  *                     phrases = self.pattern2phrase_plus(pattern)             # <<<<<<<<<<<<<<
  *                     for phrase in phrases:
  *                         self.precomputed_index[phrase] = arr
  */
-        __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__pattern2phrase_plus); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__pattern2phrase_plus); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 490; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 490; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_INCREF(__pyx_v_pattern);
         PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_pattern);
         __Pyx_GIVEREF(__pyx_v_pattern);
-        __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 490; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -40111,7 +41409,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
         __pyx_v_phrases = __pyx_t_2;
         __pyx_t_2 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":452
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":491
  *                 for pattern, arr in pre.precomputed_index.iteritems():
  *                     phrases = self.pattern2phrase_plus(pattern)
  *                     for phrase in phrases:             # <<<<<<<<<<<<<<
@@ -40122,7 +41420,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
           __pyx_t_2 = __pyx_v_phrases; __Pyx_INCREF(__pyx_t_2); __pyx_t_10 = 0;
           __pyx_t_11 = NULL;
         } else {
-          __pyx_t_10 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_phrases); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_phrases); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_2);
           __pyx_t_11 = Py_TYPE(__pyx_t_2)->tp_iternext;
         }
@@ -40130,23 +41428,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
           if (!__pyx_t_11 && PyList_CheckExact(__pyx_t_2)) {
             if (__pyx_t_10 >= PyList_GET_SIZE(__pyx_t_2)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_3 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else if (!__pyx_t_11 && PyTuple_CheckExact(__pyx_t_2)) {
             if (__pyx_t_10 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PySequence_ITEM(__pyx_t_2, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else {
             __pyx_t_3 = __pyx_t_11(__pyx_t_2);
             if (unlikely(!__pyx_t_3)) {
               if (PyErr_Occurred()) {
                 if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 491; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               break;
             }
@@ -40156,14 +41454,14 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
           __pyx_v_phrase = __pyx_t_3;
           __pyx_t_3 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":453
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":492
  *                     phrases = self.pattern2phrase_plus(pattern)
  *                     for phrase in phrases:
  *                         self.precomputed_index[phrase] = arr             # <<<<<<<<<<<<<<
  *             if self.use_collocations:
  *                 logger.info("Converting %d hash keys on precomputed collocations... ", len(pre.precomputed_collocations))
  */
-          if (PyObject_SetItem(__pyx_v_self->precomputed_index, __pyx_v_phrase, __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 453; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyObject_SetItem(__pyx_v_self->precomputed_index, __pyx_v_phrase, __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       }
@@ -40172,7 +41470,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     }
     __pyx_L8:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":454
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":493
  *                     for phrase in phrases:
  *                         self.precomputed_index[phrase] = arr
  *             if self.use_collocations:             # <<<<<<<<<<<<<<
@@ -40181,25 +41479,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
  */
     if (__pyx_v_self->use_collocations) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":455
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":494
  *                         self.precomputed_index[phrase] = arr
  *             if self.use_collocations:
  *                 logger.info("Converting %d hash keys on precomputed collocations... ", len(pre.precomputed_collocations))             # <<<<<<<<<<<<<<
  *                 for pattern, arr in pre.precomputed_collocations.iteritems():
  *                     phrase = self.pattern2phrase(pattern)
  */
-      __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_2 = PyObject_GetAttr(__pyx_t_5, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_GetAttr(__pyx_t_5, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __pyx_t_5 = __pyx_v_pre->precomputed_collocations;
       __Pyx_INCREF(__pyx_t_5);
-      __pyx_t_7 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_5 = PyInt_FromSsize_t(__pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyInt_FromSsize_t(__pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_INCREF(((PyObject *)__pyx_kp_s_114));
       PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_114));
@@ -40207,13 +41505,13 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_5);
       __Pyx_GIVEREF(__pyx_t_5);
       __pyx_t_5 = 0;
-      __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":456
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":495
  *             if self.use_collocations:
  *                 logger.info("Converting %d hash keys on precomputed collocations... ", len(pre.precomputed_collocations))
  *                 for pattern, arr in pre.precomputed_collocations.iteritems():             # <<<<<<<<<<<<<<
@@ -40223,9 +41521,9 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       __pyx_t_7 = 0;
       if (unlikely(__pyx_v_pre->precomputed_collocations == Py_None)) {
         PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "iteritems");
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 495; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
-      __pyx_t_3 = __Pyx_dict_iterator(__pyx_v_pre->precomputed_collocations, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_6), (&__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_dict_iterator(__pyx_v_pre->precomputed_collocations, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_6), (&__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 495; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_XDECREF(__pyx_t_5);
       __pyx_t_5 = __pyx_t_3;
@@ -40233,7 +41531,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
       while (1) {
         __pyx_t_9 = __Pyx_dict_iter_next(__pyx_t_5, __pyx_t_6, &__pyx_t_7, &__pyx_t_3, &__pyx_t_2, NULL, __pyx_t_8);
         if (unlikely(__pyx_t_9 == 0)) break;
-        if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 456; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 495; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_XDECREF(__pyx_v_pattern);
@@ -40243,21 +41541,21 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
         __pyx_v_arr = __pyx_t_2;
         __pyx_t_2 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":457
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":496
  *                 logger.info("Converting %d hash keys on precomputed collocations... ", len(pre.precomputed_collocations))
  *                 for pattern, arr in pre.precomputed_collocations.iteritems():
  *                     phrase = self.pattern2phrase(pattern)             # <<<<<<<<<<<<<<
  *                     self.precomputed_collocations[phrase] = arr
  *             stop_time = monitor_cpu()
  */
-        __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__pattern2phrase); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__pattern2phrase); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
-        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_INCREF(__pyx_v_pattern);
         PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_pattern);
         __Pyx_GIVEREF(__pyx_v_pattern);
-        __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 457; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -40265,50 +41563,50 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
         __pyx_v_phrase = __pyx_t_4;
         __pyx_t_4 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":458
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":497
  *                 for pattern, arr in pre.precomputed_collocations.iteritems():
  *                     phrase = self.pattern2phrase(pattern)
  *                     self.precomputed_collocations[phrase] = arr             # <<<<<<<<<<<<<<
  *             stop_time = monitor_cpu()
  *             logger.info("Processing precomputations took %f seconds", stop_time - start_time)
  */
-        if (PyObject_SetItem(__pyx_v_self->precomputed_collocations, __pyx_v_phrase, __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 458; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (PyObject_SetItem(__pyx_v_self->precomputed_collocations, __pyx_v_phrase, __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       goto __pyx_L13;
     }
     __pyx_L13:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":459
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":498
  *                     phrase = self.pattern2phrase(pattern)
  *                     self.precomputed_collocations[phrase] = arr
  *             stop_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *             logger.info("Processing precomputations took %f seconds", stop_time - start_time)
  * 
  */
-    __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 498; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 459; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 498; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     __pyx_v_stop_time = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":460
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":499
  *                     self.precomputed_collocations[phrase] = arr
  *             stop_time = monitor_cpu()
  *             logger.info("Processing precomputations took %f seconds", stop_time - start_time)             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_5 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__info); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__info); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyNumber_Subtract(__pyx_v_stop_time, __pyx_v_start_time); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyNumber_Subtract(__pyx_v_stop_time, __pyx_v_start_time); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_INCREF(((PyObject *)__pyx_kp_s_115));
     PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_115));
@@ -40316,7 +41614,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
     PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_4);
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 460; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 499; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -40358,7 +41656,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_11get_precomputed_collo
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":463
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":502
  * 
  * 
  *     def get_precomputed_collocation(self, phrase):             # <<<<<<<<<<<<<<
@@ -40380,29 +41678,29 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("get_precomputed_collocation", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":464
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":503
  * 
  *     def get_precomputed_collocation(self, phrase):
  *         if phrase in self.precomputed_collocations:             # <<<<<<<<<<<<<<
  *             arr = self.precomputed_collocations[phrase]
  *             return PhraseLocation(arr=arr, arr_low=0, arr_high=len(arr), num_subpatterns=phrase.arity()+1)
  */
-  __pyx_t_1 = (__Pyx_PySequence_Contains(__pyx_v_phrase, __pyx_v_self->precomputed_collocations, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 464; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = (__Pyx_PySequence_Contains(__pyx_v_phrase, __pyx_v_self->precomputed_collocations, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 503; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":465
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":504
  *     def get_precomputed_collocation(self, phrase):
  *         if phrase in self.precomputed_collocations:
  *             arr = self.precomputed_collocations[phrase]             # <<<<<<<<<<<<<<
  *             return PhraseLocation(arr=arr, arr_low=0, arr_high=len(arr), num_subpatterns=phrase.arity()+1)
  *         return None
  */
-    __pyx_t_2 = PyObject_GetItem(__pyx_v_self->precomputed_collocations, __pyx_v_phrase); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 465; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_GetItem(__pyx_v_self->precomputed_collocations, __pyx_v_phrase); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 504; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __pyx_v_arr = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":466
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":505
  *         if phrase in self.precomputed_collocations:
  *             arr = self.precomputed_collocations[phrase]
  *             return PhraseLocation(arr=arr, arr_low=0, arr_high=len(arr), num_subpatterns=phrase.arity()+1)             # <<<<<<<<<<<<<<
@@ -40410,26 +41708,26 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
  * 
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr), __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr_low), __pyx_int_0) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_3 = PyObject_Length(__pyx_v_arr); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr), __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr_low), __pyx_int_0) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Length(__pyx_v_arr); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr_high), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr_high), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_GetAttr(__pyx_v_phrase, __pyx_n_s__arity); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_GetAttr(__pyx_v_phrase, __pyx_n_s__arity); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyNumber_Add(__pyx_t_5, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyNumber_Add(__pyx_t_5, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 505; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
     __pyx_r = __pyx_t_4;
@@ -40439,7 +41737,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":467
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":506
  *             arr = self.precomputed_collocations[phrase]
  *             return PhraseLocation(arr=arr, arr_low=0, arr_high=len(arr), num_subpatterns=phrase.arity()+1)
  *         return None             # <<<<<<<<<<<<<<
@@ -40466,7 +41764,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":470
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":509
  * 
  * 
  *     cdef int* baeza_yates_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -40512,7 +41810,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("baeza_yates_helper", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":483
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":522
  *         cdef Matching loc1, loc2
  * 
  *         result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
@@ -40521,7 +41819,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_result = ((int *)malloc((0 * (sizeof(int *)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":485
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":524
  *         result = <int*> malloc(0*sizeof(int*))
  * 
  *         d_first = 0             # <<<<<<<<<<<<<<
@@ -40530,7 +41828,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_d_first = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":486
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":525
  * 
  *         d_first = 0
  *         if high1 - low1 > high2 - low2:             # <<<<<<<<<<<<<<
@@ -40540,7 +41838,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_1 = ((__pyx_v_high1 - __pyx_v_low1) > (__pyx_v_high2 - __pyx_v_low2));
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":487
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":526
  *         d_first = 0
  *         if high1 - low1 > high2 - low2:
  *             d_first = 1             # <<<<<<<<<<<<<<
@@ -40552,7 +41850,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":491
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":530
  *         # First, check to see if we are at any of the recursive base cases
  *         # Case 1: one of the sets is empty
  *         if low1 >= high1 or low2 >= high2:             # <<<<<<<<<<<<<<
@@ -40568,7 +41866,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":492
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":531
  *         # Case 1: one of the sets is empty
  *         if low1 >= high1 or low2 >= high2:
  *             return result             # <<<<<<<<<<<<<<
@@ -40581,7 +41879,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":495
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":534
  * 
  *         # Case 2: sets are non-overlapping
  *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40590,7 +41888,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, (__pyx_v_high1 - __pyx_v_step1), __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":496
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":535
  *         # Case 2: sets are non-overlapping
  *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)
  *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40599,7 +41897,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_low2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":497
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":536
  *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)
  *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:             # <<<<<<<<<<<<<<
@@ -40609,7 +41907,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == -1);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":498
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":537
  *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
  *             return result             # <<<<<<<<<<<<<<
@@ -40622,7 +41920,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L5:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":500
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":539
  *             return result
  * 
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40631,7 +41929,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_low1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":501
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":540
  * 
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
  *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40640,7 +41938,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_high2 - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":502
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":541
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
  *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:             # <<<<<<<<<<<<<<
@@ -40650,7 +41948,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":503
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":542
  *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
  *             return result             # <<<<<<<<<<<<<<
@@ -40663,7 +41961,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L6:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":507
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":546
  *         # Case 3: query set and data set do not meet size mismatch constraints;
  *         # We use mergesort instead in this case
  *         qsetsize = (high1-low1) / step1             # <<<<<<<<<<<<<<
@@ -40673,15 +41971,15 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_4 = (__pyx_v_high1 - __pyx_v_low1);
   if (unlikely(__pyx_v_step1 == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 507; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 546; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step1 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
     PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 507; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 546; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_v_qsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":508
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":547
  *         # We use mergesort instead in this case
  *         qsetsize = (high1-low1) / step1
  *         dsetsize = (high2-low2) / step2             # <<<<<<<<<<<<<<
@@ -40691,15 +41989,15 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_4 = (__pyx_v_high2 - __pyx_v_low2);
   if (unlikely(__pyx_v_step2 == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 547; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   else if (sizeof(int) == sizeof(long) && unlikely(__pyx_v_step2 == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_t_4))) {
     PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 547; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_v_dsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step2);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":509
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":548
  *         qsetsize = (high1-low1) / step1
  *         dsetsize = (high2-low2) / step2
  *         if d_first:             # <<<<<<<<<<<<<<
@@ -40708,7 +42006,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   if (__pyx_v_d_first) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":510
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":549
  *         dsetsize = (high2-low2) / step2
  *         if d_first:
  *             tmp = qsetsize             # <<<<<<<<<<<<<<
@@ -40717,7 +42015,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_tmp = __pyx_v_qsetsize;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":511
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":550
  *         if d_first:
  *             tmp = qsetsize
  *             qsetsize = dsetsize             # <<<<<<<<<<<<<<
@@ -40726,7 +42024,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_qsetsize = __pyx_v_dsetsize;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":512
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":551
  *             tmp = qsetsize
  *             qsetsize = dsetsize
  *             dsetsize = tmp             # <<<<<<<<<<<<<<
@@ -40738,7 +42036,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L7:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":514
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":553
  *             dsetsize = tmp
  * 
  *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:             # <<<<<<<<<<<<<<
@@ -40749,12 +42047,12 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_6 = log(2.0);
   if (unlikely(__pyx_t_6 == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "float division");
-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 514; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 553; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_t_3 = ((__pyx_t_5 / __pyx_t_6) > __pyx_v_dsetsize);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":515
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":554
  * 
  *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
  *             free(result)             # <<<<<<<<<<<<<<
@@ -40763,7 +42061,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     free(__pyx_v_result);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":516
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":555
  *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
  *             free(result)
  *             return self.merge_helper(low1, high1, arr1, step1, low2, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, result_len)             # <<<<<<<<<<<<<<
@@ -40776,7 +42074,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L8:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":520
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":559
  *         # binary search.    There are two flavors, depending on
  *         # whether the queryset or dataset is first
  *         if d_first:             # <<<<<<<<<<<<<<
@@ -40785,7 +42083,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   if (__pyx_v_d_first) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":521
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":560
  *         # whether the queryset or dataset is first
  *         if d_first:
  *             med2 = median(low2, high2, step2)             # <<<<<<<<<<<<<<
@@ -40794,7 +42092,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_low2, __pyx_v_high2, __pyx_v_step2);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":522
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":561
  *         if d_first:
  *             med2 = median(low2, high2, step2)
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40803,7 +42101,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":524
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":563
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  * 
  *             search_low = low1             # <<<<<<<<<<<<<<
@@ -40812,7 +42110,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_low = __pyx_v_low1;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":525
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":564
  * 
  *             search_low = low1
  *             search_high = high1             # <<<<<<<<<<<<<<
@@ -40821,7 +42119,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_high = __pyx_v_high1;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":526
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":565
  *             search_low = low1
  *             search_high = high1
  *             while search_low < search_high:             # <<<<<<<<<<<<<<
@@ -40832,7 +42130,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
       if (!__pyx_t_3) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":527
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":566
  *             search_high = high1
  *             while search_low < search_high:
  *                 med1 = median(search_low, search_high, step1)             # <<<<<<<<<<<<<<
@@ -40841,7 +42139,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step1);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":528
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":567
  *             while search_low < search_high:
  *                 med1 = median(search_low, search_high, step1)
  *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
@@ -40850,7 +42148,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":529
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":568
  *                 med1 = median(search_low, search_high, step1)
  *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
@@ -40859,7 +42157,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":532
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":571
  *                 if comparison == -1:
  *                     search_low = med1_plus
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40868,7 +42166,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       switch (__pyx_v_comparison) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":530
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":569
  *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:             # <<<<<<<<<<<<<<
@@ -40877,7 +42175,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case -1:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":531
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":570
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  *                     search_low = med1_plus             # <<<<<<<<<<<<<<
@@ -40887,7 +42185,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_v_search_low = __pyx_v_med1_plus;
         break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":532
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":571
  *                 if comparison == -1:
  *                     search_low = med1_plus
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40896,7 +42194,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case 1:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":533
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":572
  *                     search_low = med1_plus
  *                 elif comparison == 1:
  *                     search_high = med1_minus             # <<<<<<<<<<<<<<
@@ -40907,7 +42205,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         break;
         default:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":535
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":574
  *                     search_high = med1_minus
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -40923,7 +42221,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":537
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":576
  *                     break
  *         else:
  *             med1 = median(low1, high1, step1)             # <<<<<<<<<<<<<<
@@ -40932,7 +42230,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_low1, __pyx_v_high1, __pyx_v_step1);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":538
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":577
  *         else:
  *             med1 = median(low1, high1, step1)
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
@@ -40941,7 +42239,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":540
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":579
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  * 
  *             search_low = low2             # <<<<<<<<<<<<<<
@@ -40950,7 +42248,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_low = __pyx_v_low2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":541
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":580
  * 
  *             search_low = low2
  *             search_high = high2             # <<<<<<<<<<<<<<
@@ -40959,7 +42257,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_high = __pyx_v_high2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":542
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":581
  *             search_low = low2
  *             search_high = high2
  *             while search_low < search_high:             # <<<<<<<<<<<<<<
@@ -40970,7 +42268,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_search_low < __pyx_v_search_high);
       if (!__pyx_t_3) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":543
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":582
  *             search_high = high2
  *             while search_low < search_high:
  *                 med2 = median(search_low, search_high, step2)             # <<<<<<<<<<<<<<
@@ -40979,7 +42277,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step2);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":544
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":583
  *             while search_low < search_high:
  *                 med2 = median(search_low, search_high, step2)
  *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40988,7 +42286,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":545
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":584
  *                 med2 = median(search_low, search_high, step2)
  *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
@@ -40997,7 +42295,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":548
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":587
  *                 if comparison == -1:
  *                     search_high = med2
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -41006,7 +42304,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       switch (__pyx_v_comparison) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":546
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":585
  *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:             # <<<<<<<<<<<<<<
@@ -41015,7 +42313,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case -1:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":547
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":586
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  *                     search_high = med2             # <<<<<<<<<<<<<<
@@ -41025,7 +42323,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_v_search_high = __pyx_v_med2;
         break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":548
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":587
  *                 if comparison == -1:
  *                     search_high = med2
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -41034,7 +42332,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case 1:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":549
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":588
  *                     search_high = med2
  *                 elif comparison == 1:
  *                     search_low = med2 + step2             # <<<<<<<<<<<<<<
@@ -41045,7 +42343,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         break;
         default:
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":551
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":590
  *                     search_low = med2 + step2
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -41060,7 +42358,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L9:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":553
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":592
  *                     break
  * 
  *         med_result_len = 0             # <<<<<<<<<<<<<<
@@ -41069,7 +42367,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_med_result_len = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":554
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":593
  * 
  *         med_result_len = 0
  *         med_result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
@@ -41078,7 +42376,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_med_result = ((int *)malloc((0 * (sizeof(int *)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":555
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":594
  *         med_result_len = 0
  *         med_result = <int*> malloc(0*sizeof(int*))
  *         if search_high > search_low:             # <<<<<<<<<<<<<<
@@ -41088,7 +42386,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   __pyx_t_3 = (__pyx_v_search_high > __pyx_v_search_low);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":561
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":600
  *             # want to store the bindings for all of those elements.    We can
  *             # subsequently throw all of them away.
  *             med2_minus = med2             # <<<<<<<<<<<<<<
@@ -41097,7 +42395,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_minus = __pyx_v_med2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":562
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":601
  *             # subsequently throw all of them away.
  *             med2_minus = med2
  *             med2_plus = med2 + step2             # <<<<<<<<<<<<<<
@@ -41106,7 +42404,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_plus = (__pyx_v_med2 + __pyx_v_step2);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":563
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":602
  *             med2_minus = med2
  *             med2_plus = med2 + step2
  *             i1 = med1_minus             # <<<<<<<<<<<<<<
@@ -41115,7 +42413,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_i1 = __pyx_v_med1_minus;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":564
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":603
  *             med2_plus = med2 + step2
  *             i1 = med1_minus
  *             while i1 < med1_plus:             # <<<<<<<<<<<<<<
@@ -41126,7 +42424,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_i1 < __pyx_v_med1_plus);
       if (!__pyx_t_3) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":565
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":604
  *             i1 = med1_minus
  *             while i1 < med1_plus:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41135,7 +42433,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":566
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":605
  *             while i1 < med1_plus:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 while med2_minus-step2 >= low2:             # <<<<<<<<<<<<<<
@@ -41146,7 +42444,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = ((__pyx_v_med2_minus - __pyx_v_step2) >= __pyx_v_low2);
         if (!__pyx_t_3) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":567
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":606
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 while med2_minus-step2 >= low2:
  *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41155,7 +42453,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_med2_minus - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":568
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":607
  *                 while med2_minus-step2 >= low2:
  *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
  *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:             # <<<<<<<<<<<<<<
@@ -41165,7 +42463,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) < 1);
         if (__pyx_t_3) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":569
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":608
  *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
  *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
  *                         med2_minus = med2_minus - step2             # <<<<<<<<<<<<<<
@@ -41177,7 +42475,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":571
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":610
  *                         med2_minus = med2_minus - step2
  *                     else:
  *                         break             # <<<<<<<<<<<<<<
@@ -41190,7 +42488,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L18_break:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":572
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":611
  *                     else:
  *                         break
  *                 i2 = med2_minus             # <<<<<<<<<<<<<<
@@ -41199,7 +42497,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_i2 = __pyx_v_med2_minus;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":573
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":612
  *                         break
  *                 i2 = med2_minus
  *                 while i2 < high2:             # <<<<<<<<<<<<<<
@@ -41210,7 +42508,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (__pyx_v_i2 < __pyx_v_high2);
         if (!__pyx_t_3) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":574
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":613
  *                 i2 = med2_minus
  *                 while i2 < high2:
  *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41219,7 +42517,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":575
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":614
  *                 while i2 < high2:
  *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
@@ -41228,7 +42526,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":576
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":615
  *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
  *                     if comparison == 0:             # <<<<<<<<<<<<<<
@@ -41238,7 +42536,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (__pyx_v_comparison == 0);
         if (__pyx_t_3) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":578
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":617
  *                     if comparison == 0:
  *                         pass
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)             # <<<<<<<<<<<<<<
@@ -41250,7 +42548,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         __pyx_L22:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":579
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":618
  *                         pass
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
  *                     if comparison == -1:             # <<<<<<<<<<<<<<
@@ -41260,7 +42558,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (__pyx_v_comparison == -1);
         if (__pyx_t_3) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":580
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":619
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
  *                     if comparison == -1:
  *                         break             # <<<<<<<<<<<<<<
@@ -41272,7 +42570,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         __pyx_L23:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":581
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":620
  *                     if comparison == -1:
  *                         break
  *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
@@ -41283,7 +42581,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L21_break:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":582
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":621
  *                         break
  *                     i2 = i2 + step2
  *                 if i2 > med2_plus:             # <<<<<<<<<<<<<<
@@ -41293,7 +42591,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_i2 > __pyx_v_med2_plus);
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":583
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":622
  *                     i2 = i2 + step2
  *                 if i2 > med2_plus:
  *                     med2_plus = i2             # <<<<<<<<<<<<<<
@@ -41305,7 +42603,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L24:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":584
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":623
  *                 if i2 > med2_plus:
  *                     med2_plus = i2
  *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -41315,7 +42613,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":586
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":625
  *                 i1 = i1 + step1
  * 
  *             tmp = med1_minus             # <<<<<<<<<<<<<<
@@ -41324,7 +42622,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_tmp = __pyx_v_med1_minus;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":587
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":626
  * 
  *             tmp = med1_minus
  *             med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -41333,7 +42631,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med1_minus = __pyx_v_med1_plus;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":588
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":627
  *             tmp = med1_minus
  *             med1_minus = med1_plus
  *             med1_plus = tmp             # <<<<<<<<<<<<<<
@@ -41345,7 +42643,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":591
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":630
  *         else:
  *             # No match; need to figure out the point of division in D and Q
  *             med2_minus = med2             # <<<<<<<<<<<<<<
@@ -41354,7 +42652,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_minus = __pyx_v_med2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":592
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":631
  *             # No match; need to figure out the point of division in D and Q
  *             med2_minus = med2
  *             med2_plus = med2             # <<<<<<<<<<<<<<
@@ -41363,7 +42661,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_plus = __pyx_v_med2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":593
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":632
  *             med2_minus = med2
  *             med2_plus = med2
  *             if d_first:             # <<<<<<<<<<<<<<
@@ -41372,7 +42670,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     if (__pyx_v_d_first) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":594
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":633
  *             med2_plus = med2
  *             if d_first:
  *                 med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
@@ -41381,7 +42679,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":595
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":634
  *             if d_first:
  *                 med2_minus = med2_minus + step2
  *                 if comparison == -1:             # <<<<<<<<<<<<<<
@@ -41391,7 +42689,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == -1);
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":596
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":635
  *                 med2_minus = med2_minus + step2
  *                 if comparison == -1:
  *                     med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -41403,7 +42701,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L26:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":597
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":636
  *                 if comparison == -1:
  *                     med1_minus = med1_plus
  *                 if comparison == 1:             # <<<<<<<<<<<<<<
@@ -41413,7 +42711,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == 1);
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":598
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":637
  *                     med1_minus = med1_plus
  *                 if comparison == 1:
  *                     med1_plus = med1_minus             # <<<<<<<<<<<<<<
@@ -41428,7 +42726,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":600
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":639
  *                     med1_plus = med1_minus
  *             else:
  *                 tmp = med1_minus             # <<<<<<<<<<<<<<
@@ -41437,7 +42735,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_tmp = __pyx_v_med1_minus;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":601
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":640
  *             else:
  *                 tmp = med1_minus
  *                 med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -41446,7 +42744,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med1_minus = __pyx_v_med1_plus;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":602
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":641
  *                 tmp = med1_minus
  *                 med1_minus = med1_plus
  *                 med1_plus = tmp             # <<<<<<<<<<<<<<
@@ -41455,7 +42753,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med1_plus = __pyx_v_tmp;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":603
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":642
  *                 med1_minus = med1_plus
  *                 med1_plus = tmp
  *                 if comparison == 1:             # <<<<<<<<<<<<<<
@@ -41465,7 +42763,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == 1);
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":604
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":643
  *                 med1_plus = tmp
  *                 if comparison == 1:
  *                     med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
@@ -41474,7 +42772,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":605
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":644
  *                 if comparison == 1:
  *                     med2_minus = med2_minus + step2
  *                     med2_plus = med2_plus + step2             # <<<<<<<<<<<<<<
@@ -41490,7 +42788,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L14:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":607
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":646
  *                     med2_plus = med2_plus + step2
  * 
  *         low_result_len = 0             # <<<<<<<<<<<<<<
@@ -41499,7 +42797,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_low_result_len = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":608
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":647
  * 
  *         low_result_len = 0
  *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)             # <<<<<<<<<<<<<<
@@ -41508,7 +42806,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_low_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_med2_plus, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_low_result_len));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":609
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":648
  *         low_result_len = 0
  *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
  *         high_result_len = 0             # <<<<<<<<<<<<<<
@@ -41517,7 +42815,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_high_result_len = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":610
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":649
  *         low_result = self.baeza_yates_helper(low1, med1_plus, arr1, step1, low2, med2_plus, arr2, step2, offset_by_one, len_last, num_subpatterns, &low_result_len)
  *         high_result_len = 0
  *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)             # <<<<<<<<<<<<<<
@@ -41526,7 +42824,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_high_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med2_minus, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_high_result_len));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":612
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":651
  *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
  * 
  *         result = extend_arr(result, result_len, low_result, low_result_len)             # <<<<<<<<<<<<<<
@@ -41535,7 +42833,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_low_result, __pyx_v_low_result_len);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":613
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":652
  * 
  *         result = extend_arr(result, result_len, low_result, low_result_len)
  *         result = extend_arr(result, result_len, med_result, med_result_len)             # <<<<<<<<<<<<<<
@@ -41544,7 +42842,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_med_result, __pyx_v_med_result_len);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":614
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":653
  *         result = extend_arr(result, result_len, low_result, low_result_len)
  *         result = extend_arr(result, result_len, med_result, med_result_len)
  *         result = extend_arr(result, result_len, high_result, high_result_len)             # <<<<<<<<<<<<<<
@@ -41553,7 +42851,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_high_result, __pyx_v_high_result_len);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":615
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":654
  *         result = extend_arr(result, result_len, med_result, med_result_len)
  *         result = extend_arr(result, result_len, high_result, high_result_len)
  *         free(low_result)             # <<<<<<<<<<<<<<
@@ -41562,7 +42860,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_low_result);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":616
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":655
  *         result = extend_arr(result, result_len, high_result, high_result_len)
  *         free(low_result)
  *         free(med_result)             # <<<<<<<<<<<<<<
@@ -41571,7 +42869,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_med_result);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":617
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":656
  *         free(low_result)
  *         free(med_result)
  *         free(high_result)             # <<<<<<<<<<<<<<
@@ -41580,7 +42878,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_high_result);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":619
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":658
  *         free(high_result)
  * 
  *         return result             # <<<<<<<<<<<<<<
@@ -41600,7 +42898,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":623
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":662
  * 
  * 
  *     cdef long compare_matchings_set(self, int i1_minus, int i1_plus, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -41619,7 +42917,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("compare_matchings_set", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":634
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":673
  *         cdef Matching* loc1
  * 
  *         loc1 = &l1_stack             # <<<<<<<<<<<<<<
@@ -41628,7 +42926,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
   __pyx_v_loc1 = (&__pyx_v_l1_stack);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":636
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":675
  *         loc1 = &l1_stack
  * 
  *         i1 = i1_minus             # <<<<<<<<<<<<<<
@@ -41637,7 +42935,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
   __pyx_v_i1 = __pyx_v_i1_minus;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":637
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":676
  * 
  *         i1 = i1_minus
  *         while i1 < i1_plus:             # <<<<<<<<<<<<<<
@@ -41648,7 +42946,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     __pyx_t_1 = (__pyx_v_i1 < __pyx_v_i1_plus);
     if (!__pyx_t_1) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":638
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":677
  *         i1 = i1_minus
  *         while i1 < i1_plus:
  *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41657,7 +42955,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
     __pyx_f_3_sa_assign_matching(__pyx_v_loc1, __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":639
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":678
  *         while i1 < i1_plus:
  *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
@@ -41666,7 +42964,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
     __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, __pyx_v_loc1, __pyx_v_loc2, __pyx_v_offset_by_one, __pyx_v_len_last);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":640
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":679
  *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
  *             if comparison == 0:             # <<<<<<<<<<<<<<
@@ -41676,7 +42974,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     __pyx_t_1 = (__pyx_v_comparison == 0);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":641
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":680
  *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
  *             if comparison == 0:
  *                 prev_comparison = 0             # <<<<<<<<<<<<<<
@@ -41685,7 +42983,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
       __pyx_v_prev_comparison = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":642
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":681
  *             if comparison == 0:
  *                 prev_comparison = 0
  *                 break             # <<<<<<<<<<<<<<
@@ -41696,7 +42994,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
       goto __pyx_L5;
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":643
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":682
  *                 prev_comparison = 0
  *                 break
  *             elif i1 == i1_minus:             # <<<<<<<<<<<<<<
@@ -41706,7 +43004,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     __pyx_t_1 = (__pyx_v_i1 == __pyx_v_i1_minus);
     if (__pyx_t_1) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":644
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":683
  *                 break
  *             elif i1 == i1_minus:
  *                 prev_comparison = comparison             # <<<<<<<<<<<<<<
@@ -41718,7 +43016,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":646
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":685
  *                 prev_comparison = comparison
  *             else:
  *                 if comparison != prev_comparison:             # <<<<<<<<<<<<<<
@@ -41728,7 +43026,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
       __pyx_t_1 = (__pyx_v_comparison != __pyx_v_prev_comparison);
       if (__pyx_t_1) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":647
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":686
  *             else:
  *                 if comparison != prev_comparison:
  *                     prev_comparison = 0             # <<<<<<<<<<<<<<
@@ -41737,7 +43035,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
         __pyx_v_prev_comparison = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":648
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":687
  *                 if comparison != prev_comparison:
  *                     prev_comparison = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -41751,7 +43049,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":649
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":688
  *                     prev_comparison = 0
  *                     break
  *             i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -41762,7 +43060,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   }
   __pyx_L4_break:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":650
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":689
  *                     break
  *             i1 = i1 + step1
  *         return prev_comparison             # <<<<<<<<<<<<<<
@@ -41778,7 +43076,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":653
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":692
  * 
  * 
  *     cdef long compare_matchings(self, Matching* loc1, Matching* loc2, int offset_by_one, int len_last):             # <<<<<<<<<<<<<<
@@ -41796,7 +43094,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("compare_matchings", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":656
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":695
  *         cdef int i
  * 
  *         if loc1.sent_id > loc2.sent_id:             # <<<<<<<<<<<<<<
@@ -41806,7 +43104,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   __pyx_t_1 = (__pyx_v_loc1->sent_id > __pyx_v_loc2->sent_id);
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":657
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":696
  * 
  *         if loc1.sent_id > loc2.sent_id:
  *             return 1             # <<<<<<<<<<<<<<
@@ -41819,7 +43117,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":658
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":697
  *         if loc1.sent_id > loc2.sent_id:
  *             return 1
  *         if loc2.sent_id > loc1.sent_id:             # <<<<<<<<<<<<<<
@@ -41829,7 +43127,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   __pyx_t_1 = (__pyx_v_loc2->sent_id > __pyx_v_loc1->sent_id);
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":659
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":698
  *             return 1
  *         if loc2.sent_id > loc1.sent_id:
  *             return -1             # <<<<<<<<<<<<<<
@@ -41842,7 +43140,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":661
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":700
  *             return -1
  * 
  *         if loc1.size == 1 and loc2.size == 1:             # <<<<<<<<<<<<<<
@@ -41858,7 +43156,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":662
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":701
  * 
  *         if loc1.size == 1 and loc2.size == 1:
  *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:             # <<<<<<<<<<<<<<
@@ -41868,7 +43166,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     __pyx_t_3 = (((__pyx_v_loc2->arr[__pyx_v_loc2->start]) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) <= __pyx_v_self->train_min_gap_size);
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":663
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":702
  *         if loc1.size == 1 and loc2.size == 1:
  *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -41883,7 +43181,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     goto __pyx_L5;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":665
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":704
  *                 return 1
  * 
  *         elif offset_by_one:             # <<<<<<<<<<<<<<
@@ -41892,7 +43190,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
  */
   if (__pyx_v_offset_by_one) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":666
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":705
  * 
  *         elif offset_by_one:
  *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -41902,7 +43200,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     __pyx_t_4 = __pyx_v_loc1->size;
     for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":667
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":706
  *         elif offset_by_one:
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
@@ -41912,7 +43210,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":668
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":707
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
  *                     return 1             # <<<<<<<<<<<<<<
@@ -41925,7 +43223,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       }
       __pyx_L9:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":669
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":708
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
@@ -41935,7 +43233,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[((__pyx_v_loc2->start + __pyx_v_i) - 1)]));
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":670
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":709
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
  *                     return -1             # <<<<<<<<<<<<<<
@@ -41952,7 +43250,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":673
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":712
  * 
  *         else:
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
@@ -41962,7 +43260,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) > (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":674
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":713
  *         else:
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -41975,7 +43273,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     }
     __pyx_L11:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":675
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":714
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
  *                 return 1
  *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
@@ -41985,7 +43283,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     __pyx_t_3 = (((__pyx_v_loc1->arr[__pyx_v_loc1->start]) + 1) < (__pyx_v_loc2->arr[__pyx_v_loc2->start]));
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":676
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":715
  *                 return 1
  *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
  *                 return -1             # <<<<<<<<<<<<<<
@@ -41998,7 +43296,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     }
     __pyx_L12:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":678
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":717
  *                 return -1
  * 
  *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -42008,7 +43306,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     __pyx_t_4 = __pyx_v_loc1->size;
     for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":679
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":718
  * 
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
@@ -42018,7 +43316,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) > (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":680
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":719
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
  *                     return 1             # <<<<<<<<<<<<<<
@@ -42031,7 +43329,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       }
       __pyx_L15:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":681
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":720
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
@@ -42041,7 +43339,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       __pyx_t_3 = ((__pyx_v_loc1->arr[(__pyx_v_loc1->start + __pyx_v_i)]) < (__pyx_v_loc2->arr[(__pyx_v_loc2->start + __pyx_v_i)]));
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":682
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":721
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
  *                     return -1             # <<<<<<<<<<<<<<
@@ -42057,7 +43355,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L5:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":684
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":723
  *                     return -1
  * 
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -42067,7 +43365,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   __pyx_t_3 = ((((__pyx_v_loc2->arr[(__pyx_v_loc2->end - 1)]) + __pyx_v_len_last) - (__pyx_v_loc1->arr[__pyx_v_loc1->start])) > __pyx_v_self->train_max_initial_size);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":685
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":724
  * 
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
  *             return -1             # <<<<<<<<<<<<<<
@@ -42080,7 +43378,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L17:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":686
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":725
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
  *             return -1
  *         return 0             # <<<<<<<<<<<<<<
@@ -42096,7 +43394,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":689
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":728
  * 
  * 
  *     cdef int* merge_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -42120,7 +43418,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("merge_helper", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":697
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":736
  *         cdef Matching loc1, loc2
  * 
  *         result_len[0] = 0             # <<<<<<<<<<<<<<
@@ -42129,7 +43427,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   (__pyx_v_result_len[0]) = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":698
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":737
  * 
  *         result_len[0] = 0
  *         result = <int*> malloc(0*sizeof(int))             # <<<<<<<<<<<<<<
@@ -42138,7 +43436,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_result = ((int *)malloc((0 * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":700
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":739
  *         result = <int*> malloc(0*sizeof(int))
  * 
  *         i1 = low1             # <<<<<<<<<<<<<<
@@ -42147,7 +43445,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_i1 = __pyx_v_low1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":701
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":740
  * 
  *         i1 = low1
  *         i2 = low2             # <<<<<<<<<<<<<<
@@ -42156,7 +43454,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_i2 = __pyx_v_low2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":702
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":741
  *         i1 = low1
  *         i2 = low2
  *         while i1 < high1 and i2 < high2:             # <<<<<<<<<<<<<<
@@ -42173,7 +43471,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":705
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":744
  * 
  *             # First, pop all unneeded loc2's off the stack
  *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -42182,7 +43480,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
     __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":706
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":745
  *             # First, pop all unneeded loc2's off the stack
  *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *             while i2 < high2:             # <<<<<<<<<<<<<<
@@ -42193,7 +43491,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       __pyx_t_3 = (__pyx_v_i2 < __pyx_v_high2);
       if (!__pyx_t_3) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":707
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":746
  *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *             while i2 < high2:
  *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -42202,7 +43500,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
       __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":708
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":747
  *             while i2 < high2:
  *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
  *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:             # <<<<<<<<<<<<<<
@@ -42212,7 +43510,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":709
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":748
  *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
  *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
  *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
@@ -42224,7 +43522,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":711
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":750
  *                     i2 = i2 + step2
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -42237,7 +43535,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
     __pyx_L6_break:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":714
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":753
  * 
  *             # Next: process all loc1's with the same starting val
  *             j1 = i1             # <<<<<<<<<<<<<<
@@ -42246,7 +43544,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
     __pyx_v_j1 = __pyx_v_i1;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":715
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":754
  *             # Next: process all loc1's with the same starting val
  *             j1 = i1
  *             while i1 < high1 and arr1[j1] == arr1[i1]:             # <<<<<<<<<<<<<<
@@ -42263,7 +43561,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       if (!__pyx_t_2) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":716
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":755
  *             j1 = i1
  *             while i1 < high1 and arr1[j1] == arr1[i1]:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -42272,7 +43570,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
       __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":717
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":756
  *             while i1 < high1 and arr1[j1] == arr1[i1]:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 j2 = i2             # <<<<<<<<<<<<<<
@@ -42281,7 +43579,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
       __pyx_v_j2 = __pyx_v_i2;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":718
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":757
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 j2 = i2
  *                 while j2 < high2:             # <<<<<<<<<<<<<<
@@ -42292,7 +43590,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         __pyx_t_2 = (__pyx_v_j2 < __pyx_v_high2);
         if (!__pyx_t_2) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":719
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":758
  *                 j2 = i2
  *                 while j2 < high2:
  *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -42301,7 +43599,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
         __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_j2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":720
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":759
  *                 while j2 < high2:
  *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)             # <<<<<<<<<<<<<<
@@ -42310,7 +43608,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
         __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":721
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":760
  *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
  *                     if comparison == 0:             # <<<<<<<<<<<<<<
@@ -42320,7 +43618,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         __pyx_t_2 = (__pyx_v_comparison == 0);
         if (__pyx_t_2) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":722
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":761
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
  *                     if comparison == 0:
  *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)             # <<<<<<<<<<<<<<
@@ -42332,7 +43630,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         __pyx_L12:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":723
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":762
  *                     if comparison == 0:
  *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
  *                     if comparison == 1:             # <<<<<<<<<<<<<<
@@ -42345,7 +43643,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         __pyx_L13:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":725
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":764
  *                     if comparison == 1:
  *                         pass
  *                     if comparison == -1:             # <<<<<<<<<<<<<<
@@ -42355,7 +43653,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         __pyx_t_2 = (__pyx_v_comparison == -1);
         if (__pyx_t_2) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":726
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":765
  *                         pass
  *                     if comparison == -1:
  *                         break             # <<<<<<<<<<<<<<
@@ -42367,7 +43665,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":728
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":767
  *                         break
  *                     else:
  *                         j2 = j2 + step2             # <<<<<<<<<<<<<<
@@ -42380,7 +43678,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       __pyx_L11_break:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":729
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":768
  *                     else:
  *                         j2 = j2 + step2
  *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -42391,7 +43689,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":730
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":769
  *                         j2 = j2 + step2
  *                 i1 = i1 + step1
  *         return result             # <<<<<<<<<<<<<<
@@ -42407,7 +43705,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":733
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":772
  * 
  * 
  *     cdef void sort_phrase_loc(self, IntList arr, PhraseLocation loc, Phrase phrase):             # <<<<<<<<<<<<<<
@@ -42429,26 +43727,26 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("sort_phrase_loc", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":738
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":777
  *         cdef IntList result
  * 
  *         if phrase in self.precomputed_index:             # <<<<<<<<<<<<<<
  *             loc.arr = self.precomputed_index[phrase]
  *         else:
  */
-  __pyx_t_1 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_phrase), __pyx_v_self->precomputed_index, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 738; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_phrase), __pyx_v_self->precomputed_index, Py_EQ)); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_1) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":739
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":778
  * 
  *         if phrase in self.precomputed_index:
  *             loc.arr = self.precomputed_index[phrase]             # <<<<<<<<<<<<<<
  *         else:
  *             loc.arr = IntList(initial_len=loc.sa_high-loc.sa_low)
  */
-    __pyx_t_2 = PyObject_GetItem(__pyx_v_self->precomputed_index, ((PyObject *)__pyx_v_phrase)); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 739; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_GetItem(__pyx_v_self->precomputed_index, ((PyObject *)__pyx_v_phrase)); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 778; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 739; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 778; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GIVEREF(__pyx_t_2);
     __Pyx_GOTREF(__pyx_v_loc->arr);
     __Pyx_DECREF(((PyObject *)__pyx_v_loc->arr));
@@ -42458,20 +43756,20 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":741
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":780
  *             loc.arr = self.precomputed_index[phrase]
  *         else:
  *             loc.arr = IntList(initial_len=loc.sa_high-loc.sa_low)             # <<<<<<<<<<<<<<
  *             veb = VEB(arr.len)
  *             for i from loc.sa_low <= i < loc.sa_high:
  */
-    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-    __pyx_t_3 = PyInt_FromLong((__pyx_v_loc->sa_high - __pyx_v_loc->sa_low)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyInt_FromLong((__pyx_v_loc->sa_high - __pyx_v_loc->sa_low)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
     __Pyx_GIVEREF(__pyx_t_3);
@@ -42480,27 +43778,27 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
     __pyx_v_loc->arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":742
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":781
  *         else:
  *             loc.arr = IntList(initial_len=loc.sa_high-loc.sa_low)
  *             veb = VEB(arr.len)             # <<<<<<<<<<<<<<
  *             for i from loc.sa_low <= i < loc.sa_high:
  *                 veb._insert(arr.arr[i])
  */
-    __pyx_t_3 = PyInt_FromLong(__pyx_v_arr->len); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyInt_FromLong(__pyx_v_arr->len); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3);
     __Pyx_GIVEREF(__pyx_t_3);
     __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_VEB)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_VEB)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
     __pyx_v_veb = ((struct __pyx_obj_3_sa_VEB *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":743
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":782
  *             loc.arr = IntList(initial_len=loc.sa_high-loc.sa_low)
  *             veb = VEB(arr.len)
  *             for i from loc.sa_low <= i < loc.sa_high:             # <<<<<<<<<<<<<<
@@ -42510,7 +43808,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
     __pyx_t_4 = __pyx_v_loc->sa_high;
     for (__pyx_v_i = __pyx_v_loc->sa_low; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":744
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":783
  *             veb = VEB(arr.len)
  *             for i from loc.sa_low <= i < loc.sa_high:
  *                 veb._insert(arr.arr[i])             # <<<<<<<<<<<<<<
@@ -42520,7 +43818,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
       ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_v_veb->__pyx_vtab)->_insert(__pyx_v_veb, (__pyx_v_arr->arr[__pyx_v_i]));
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":745
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":784
  *             for i from loc.sa_low <= i < loc.sa_high:
  *                 veb._insert(arr.arr[i])
  *             i = veb.veb.min_val             # <<<<<<<<<<<<<<
@@ -42529,7 +43827,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
  */
     __pyx_v_i = __pyx_v_veb->veb->min_val;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":746
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":785
  *                 veb._insert(arr.arr[i])
  *             i = veb.veb.min_val
  *             for j from 0 <= j < loc.sa_high-loc.sa_low:             # <<<<<<<<<<<<<<
@@ -42539,7 +43837,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
     __pyx_t_4 = (__pyx_v_loc->sa_high - __pyx_v_loc->sa_low);
     for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":747
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":786
  *             i = veb.veb.min_val
  *             for j from 0 <= j < loc.sa_high-loc.sa_low:
  *                 loc.arr.arr[j] = i             # <<<<<<<<<<<<<<
@@ -42548,7 +43846,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
  */
       (__pyx_v_loc->arr->arr[__pyx_v_j]) = __pyx_v_i;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":748
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":787
  *             for j from 0 <= j < loc.sa_high-loc.sa_low:
  *                 loc.arr.arr[j] = i
  *                 i = veb._findsucc(i)             # <<<<<<<<<<<<<<
@@ -42560,7 +43858,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":749
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":788
  *                 loc.arr.arr[j] = i
  *                 i = veb._findsucc(i)
  *         loc.arr_low = 0             # <<<<<<<<<<<<<<
@@ -42569,7 +43867,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
  */
   __pyx_v_loc->arr_low = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":750
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":789
  *                 i = veb._findsucc(i)
  *         loc.arr_low = 0
  *         loc.arr_high = loc.arr.len             # <<<<<<<<<<<<<<
@@ -42588,7 +43886,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":753
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":792
  * 
  * 
  *     cdef intersect_helper(self, Phrase prefix, Phrase suffix,             # <<<<<<<<<<<<<<
@@ -42625,7 +43923,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("intersect_helper", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":760
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":799
  *         cdef int* result_ptr
  * 
  *         result_len = 0             # <<<<<<<<<<<<<<
@@ -42634,21 +43932,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_result_len = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":762
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":801
  *         result_len = 0
  * 
  *         if sym_isvar(suffix[0]):             # <<<<<<<<<<<<<<
  *             offset_by_one = 1
  *         else:
  */
-  __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_suffix), 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 762; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_suffix), 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 801; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_2 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 762; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_2 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 801; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_t_3 = __pyx_f_3_sa_sym_isvar(__pyx_t_2);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":763
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":802
  * 
  *         if sym_isvar(suffix[0]):
  *             offset_by_one = 1             # <<<<<<<<<<<<<<
@@ -42660,7 +43958,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":765
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":804
  *             offset_by_one = 1
  *         else:
  *             offset_by_one = 0             # <<<<<<<<<<<<<<
@@ -42671,34 +43969,34 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":767
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":806
  *             offset_by_one = 0
  * 
  *         len_last = len(suffix.getchunk(suffix.arity()))             # <<<<<<<<<<<<<<
  * 
  *         if prefix_loc.arr is None:
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_suffix), __pyx_n_s__getchunk); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_suffix), __pyx_n_s__getchunk); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_suffix), __pyx_n_s__arity); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_suffix), __pyx_n_s__arity); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_5);
   __Pyx_GIVEREF(__pyx_t_5);
   __pyx_t_5 = 0;
-  __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
-  __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 806; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
   __pyx_v_len_last = __pyx_t_6;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":769
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":808
  *         len_last = len(suffix.getchunk(suffix.arity()))
  * 
  *         if prefix_loc.arr is None:             # <<<<<<<<<<<<<<
@@ -42708,7 +44006,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __pyx_t_7 = (((PyObject *)__pyx_v_prefix_loc->arr) == Py_None);
   if (__pyx_t_7) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":770
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":809
  * 
  *         if prefix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, prefix_loc, prefix)             # <<<<<<<<<<<<<<
@@ -42723,7 +44021,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":771
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":810
  *         if prefix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, prefix_loc, prefix)
  *         arr1 = prefix_loc.arr             # <<<<<<<<<<<<<<
@@ -42733,7 +44031,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __Pyx_INCREF(((PyObject *)__pyx_v_prefix_loc->arr));
   __pyx_v_arr1 = __pyx_v_prefix_loc->arr;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":772
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":811
  *             self.sort_phrase_loc(self.fsa.sa, prefix_loc, prefix)
  *         arr1 = prefix_loc.arr
  *         low1 = prefix_loc.arr_low             # <<<<<<<<<<<<<<
@@ -42742,7 +44040,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_low1 = __pyx_v_prefix_loc->arr_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":773
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":812
  *         arr1 = prefix_loc.arr
  *         low1 = prefix_loc.arr_low
  *         high1 = prefix_loc.arr_high             # <<<<<<<<<<<<<<
@@ -42751,7 +44049,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_high1 = __pyx_v_prefix_loc->arr_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":774
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":813
  *         low1 = prefix_loc.arr_low
  *         high1 = prefix_loc.arr_high
  *         step1 = prefix_loc.num_subpatterns             # <<<<<<<<<<<<<<
@@ -42760,7 +44058,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_step1 = __pyx_v_prefix_loc->num_subpatterns;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":776
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":815
  *         step1 = prefix_loc.num_subpatterns
  * 
  *         if suffix_loc.arr is None:             # <<<<<<<<<<<<<<
@@ -42770,7 +44068,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __pyx_t_7 = (((PyObject *)__pyx_v_suffix_loc->arr) == Py_None);
   if (__pyx_t_7) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":777
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":816
  * 
  *         if suffix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)             # <<<<<<<<<<<<<<
@@ -42785,7 +44083,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   __pyx_L5:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":778
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":817
  *         if suffix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)
  *         arr2 = suffix_loc.arr             # <<<<<<<<<<<<<<
@@ -42795,7 +44093,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __Pyx_INCREF(((PyObject *)__pyx_v_suffix_loc->arr));
   __pyx_v_arr2 = __pyx_v_suffix_loc->arr;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":779
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":818
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)
  *         arr2 = suffix_loc.arr
  *         low2 = suffix_loc.arr_low             # <<<<<<<<<<<<<<
@@ -42804,7 +44102,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_low2 = __pyx_v_suffix_loc->arr_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":780
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":819
  *         arr2 = suffix_loc.arr
  *         low2 = suffix_loc.arr_low
  *         high2 = suffix_loc.arr_high             # <<<<<<<<<<<<<<
@@ -42813,7 +44111,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_high2 = __pyx_v_suffix_loc->arr_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":781
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":820
  *         low2 = suffix_loc.arr_low
  *         high2 = suffix_loc.arr_high
  *         step2 = suffix_loc.num_subpatterns             # <<<<<<<<<<<<<<
@@ -42822,26 +44120,26 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_step2 = __pyx_v_suffix_loc->num_subpatterns;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":783
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":822
  *         step2 = suffix_loc.num_subpatterns
  * 
  *         num_subpatterns = prefix.arity()+1             # <<<<<<<<<<<<<<
  * 
  *         if algorithm == MERGE:
  */
-  __pyx_t_5 = PyObject_GetAttr(((PyObject *)__pyx_v_prefix), __pyx_n_s__arity); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyObject_GetAttr(((PyObject *)__pyx_v_prefix), __pyx_n_s__arity); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
-  __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-  __pyx_t_5 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_3 = __Pyx_PyInt_AsInt(__pyx_t_5); if (unlikely((__pyx_t_3 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_PyInt_AsInt(__pyx_t_5); if (unlikely((__pyx_t_3 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
   __pyx_v_num_subpatterns = __pyx_t_3;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":785
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":824
  *         num_subpatterns = prefix.arity()+1
  * 
  *         if algorithm == MERGE:             # <<<<<<<<<<<<<<
@@ -42851,7 +44149,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __pyx_t_7 = (__pyx_v_algorithm == __pyx_v_3_sa_MERGE);
   if (__pyx_t_7) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":788
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":827
  *             result_ptr = self.merge_helper(low1, high1, arr1.arr, step1,
  *                                     low2, high2, arr2.arr, step2,
  *                                     offset_by_one, len_last, num_subpatterns, &result_len)             # <<<<<<<<<<<<<<
@@ -42863,7 +44161,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":792
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":831
  *             result_ptr = self.baeza_yates_helper(low1, high1, arr1.arr, step1,
  *                                     low2, high2, arr2.arr, step2,
  *                                     offset_by_one, len_last, num_subpatterns, &result_len)             # <<<<<<<<<<<<<<
@@ -42874,7 +44172,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   __pyx_L6:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":794
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":833
  *                                     offset_by_one, len_last, num_subpatterns, &result_len)
  * 
  *         if result_len == 0:             # <<<<<<<<<<<<<<
@@ -42884,7 +44182,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __pyx_t_7 = (__pyx_v_result_len == 0);
   if (__pyx_t_7) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":795
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":834
  * 
  *         if result_len == 0:
  *             free(result_ptr)             # <<<<<<<<<<<<<<
@@ -42893,7 +44191,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     free(__pyx_v_result_ptr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":796
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":835
  *         if result_len == 0:
  *             free(result_ptr)
  *             return None             # <<<<<<<<<<<<<<
@@ -42908,19 +44206,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":798
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":837
  *             return None
  *         else:
  *             result = IntList()             # <<<<<<<<<<<<<<
  *             free(result.arr)
  *             result.arr = result_ptr
  */
-    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __pyx_v_result = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_5);
     __pyx_t_5 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":799
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":838
  *         else:
  *             result = IntList()
  *             free(result.arr)             # <<<<<<<<<<<<<<
@@ -42929,7 +44227,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     free(__pyx_v_result->arr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":800
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":839
  *             result = IntList()
  *             free(result.arr)
  *             result.arr = result_ptr             # <<<<<<<<<<<<<<
@@ -42938,7 +44236,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     __pyx_v_result->arr = __pyx_v_result_ptr;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":801
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":840
  *             free(result.arr)
  *             result.arr = result_ptr
  *             result.len = result_len             # <<<<<<<<<<<<<<
@@ -42947,7 +44245,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     __pyx_v_result->len = __pyx_v_result_len;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":802
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":841
  *             result.arr = result_ptr
  *             result.len = result_len
  *             result.size = result_len             # <<<<<<<<<<<<<<
@@ -42956,7 +44254,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     __pyx_v_result->size = __pyx_v_result_len;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":803
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":842
  *             result.len = result_len
  *             result.size = result_len
  *             return PhraseLocation(arr_low=0, arr_high=result_len, arr=result, num_subpatterns=num_subpatterns)             # <<<<<<<<<<<<<<
@@ -42964,19 +44262,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  *     cdef loc2str(self, PhraseLocation loc):
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_5 = PyDict_New(); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyDict_New(); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_5));
-    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr_low), __pyx_int_0) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = PyInt_FromLong(__pyx_v_result_len); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr_low), __pyx_int_0) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_result_len); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr_high), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr_high), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr), ((PyObject *)__pyx_v_result)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = PyInt_FromLong(__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__arr), ((PyObject *)__pyx_v_result)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
     __pyx_r = __pyx_t_4;
@@ -43002,7 +44300,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":805
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":844
  *             return PhraseLocation(arr_low=0, arr_high=result_len, arr=result, num_subpatterns=num_subpatterns)
  * 
  *     cdef loc2str(self, PhraseLocation loc):             # <<<<<<<<<<<<<<
@@ -43025,7 +44323,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("loc2str", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":807
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":846
  *     cdef loc2str(self, PhraseLocation loc):
  *         cdef int i, j
  *         result = "{"             # <<<<<<<<<<<<<<
@@ -43035,7 +44333,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_116));
   __pyx_v_result = ((PyObject *)__pyx_kp_s_116);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":808
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":847
  *         cdef int i, j
  *         result = "{"
  *         i = 0             # <<<<<<<<<<<<<<
@@ -43044,7 +44342,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
  */
   __pyx_v_i = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":809
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":848
  *         result = "{"
  *         i = 0
  *         while i < loc.arr_high:             # <<<<<<<<<<<<<<
@@ -43055,20 +44353,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
     __pyx_t_1 = (__pyx_v_i < __pyx_v_loc->arr_high);
     if (!__pyx_t_1) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":810
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":849
  *         i = 0
  *         while i < loc.arr_high:
  *             result = result + "("             # <<<<<<<<<<<<<<
  *             for j from i <= j < i + loc.num_subpatterns:
  *                 result = result + ("%d " %loc.arr[j])
  */
-    __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_117)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 810; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_117)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_v_result);
     __pyx_v_result = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":811
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":850
  *         while i < loc.arr_high:
  *             result = result + "("
  *             for j from i <= j < i + loc.num_subpatterns:             # <<<<<<<<<<<<<<
@@ -43078,19 +44376,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
     __pyx_t_3 = (__pyx_v_i + __pyx_v_loc->num_subpatterns);
     for (__pyx_v_j = __pyx_v_i; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":812
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":851
  *             result = result + "("
  *             for j from i <= j < i + loc.num_subpatterns:
  *                 result = result + ("%d " %loc.arr[j])             # <<<<<<<<<<<<<<
  *             result = result + ")"
  *             i = i + loc.num_subpatterns
  */
-      __pyx_t_2 = __Pyx_GetItemInt(((PyObject *)__pyx_v_loc->arr), __pyx_v_j, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_GetItemInt(((PyObject *)__pyx_v_loc->arr), __pyx_v_j, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_4 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_21), __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_21), __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_4));
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
       __Pyx_DECREF(__pyx_v_result);
@@ -43098,20 +44396,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
       __pyx_t_2 = 0;
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":813
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":852
  *             for j from i <= j < i + loc.num_subpatterns:
  *                 result = result + ("%d " %loc.arr[j])
  *             result = result + ")"             # <<<<<<<<<<<<<<
  *             i = i + loc.num_subpatterns
  *         result = result + "}"
  */
-    __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_59)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_59)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_v_result);
     __pyx_v_result = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":814
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":853
  *                 result = result + ("%d " %loc.arr[j])
  *             result = result + ")"
  *             i = i + loc.num_subpatterns             # <<<<<<<<<<<<<<
@@ -43121,20 +44419,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
     __pyx_v_i = (__pyx_v_i + __pyx_v_loc->num_subpatterns);
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":815
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":854
  *             result = result + ")"
  *             i = i + loc.num_subpatterns
  *         result = result + "}"             # <<<<<<<<<<<<<<
  *         return result
  * 
  */
-  __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_118)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 815; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_118)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 854; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_v_result);
   __pyx_v_result = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":816
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":855
  *             i = i + loc.num_subpatterns
  *         result = result + "}"
  *         return result             # <<<<<<<<<<<<<<
@@ -43160,7 +44458,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":818
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":857
  *         return result
  * 
  *     cdef PhraseLocation intersect(self, prefix_node, suffix_node, Phrase phrase):             # <<<<<<<<<<<<<<
@@ -43186,81 +44484,81 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("intersect", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":822
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":861
  *         cdef PhraseLocation prefix_loc, suffix_loc, result
  * 
  *         prefix = prefix_node.phrase             # <<<<<<<<<<<<<<
  *         suffix = suffix_node.phrase
  *         prefix_loc = prefix_node.phrase_location
  */
-  __pyx_t_1 = PyObject_GetAttr(__pyx_v_prefix_node, __pyx_n_s__phrase); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(__pyx_v_prefix_node, __pyx_n_s__phrase); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 822; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_prefix = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":823
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":862
  * 
  *         prefix = prefix_node.phrase
  *         suffix = suffix_node.phrase             # <<<<<<<<<<<<<<
  *         prefix_loc = prefix_node.phrase_location
  *         suffix_loc = suffix_node.phrase_location
  */
-  __pyx_t_1 = PyObject_GetAttr(__pyx_v_suffix_node, __pyx_n_s__phrase); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(__pyx_v_suffix_node, __pyx_n_s__phrase); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_suffix = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":824
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":863
  *         prefix = prefix_node.phrase
  *         suffix = suffix_node.phrase
  *         prefix_loc = prefix_node.phrase_location             # <<<<<<<<<<<<<<
  *         suffix_loc = suffix_node.phrase_location
  * 
  */
-  __pyx_t_1 = PyObject_GetAttr(__pyx_v_prefix_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(__pyx_v_prefix_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 863; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 863; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_prefix_loc = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":825
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":864
  *         suffix = suffix_node.phrase
  *         prefix_loc = prefix_node.phrase_location
  *         suffix_loc = suffix_node.phrase_location             # <<<<<<<<<<<<<<
  * 
  *         result = self.get_precomputed_collocation(phrase)
  */
-  __pyx_t_1 = PyObject_GetAttr(__pyx_v_suffix_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(__pyx_v_suffix_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 864; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 864; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_suffix_loc = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":827
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":866
  *         suffix_loc = suffix_node.phrase_location
  * 
  *         result = self.get_precomputed_collocation(phrase)             # <<<<<<<<<<<<<<
  *         if result is not None:
  *             intersect_method = "precomputed"
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s_119); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s_119); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_INCREF(((PyObject *)__pyx_v_phrase));
   PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_phrase));
   __Pyx_GIVEREF(((PyObject *)__pyx_v_phrase));
-  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-  if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_result = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":828
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":867
  * 
  *         result = self.get_precomputed_collocation(phrase)
  *         if result is not None:             # <<<<<<<<<<<<<<
@@ -43270,7 +44568,7 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
   __pyx_t_4 = (((PyObject *)__pyx_v_result) != Py_None);
   if (__pyx_t_4) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":829
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":868
  *         result = self.get_precomputed_collocation(phrase)
  *         if result is not None:
  *             intersect_method = "precomputed"             # <<<<<<<<<<<<<<
@@ -43283,7 +44581,7 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":831
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":870
  *             intersect_method = "precomputed"
  * 
  *         if result is None:             # <<<<<<<<<<<<<<
@@ -43293,7 +44591,7 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
   __pyx_t_4 = (((PyObject *)__pyx_v_result) == Py_None);
   if (__pyx_t_4) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":832
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":871
  * 
  *         if result is None:
  *             if self.use_baeza_yates:             # <<<<<<<<<<<<<<
@@ -43302,21 +44600,21 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
  */
     if (__pyx_v_self->use_baeza_yates) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":833
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":872
  *         if result is None:
  *             if self.use_baeza_yates:
  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, BAEZA_YATES)             # <<<<<<<<<<<<<<
  *                 intersect_method="double binary"
  *             else:
  */
-      __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->intersect_helper(__pyx_v_self, __pyx_v_prefix, __pyx_v_suffix, __pyx_v_prefix_loc, __pyx_v_suffix_loc, __pyx_v_3_sa_BAEZA_YATES); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->intersect_helper(__pyx_v_self, __pyx_v_prefix, __pyx_v_suffix, __pyx_v_prefix_loc, __pyx_v_suffix_loc, __pyx_v_3_sa_BAEZA_YATES); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 872; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 872; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_v_result));
       __pyx_v_result = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
       __pyx_t_3 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":834
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":873
  *             if self.use_baeza_yates:
  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, BAEZA_YATES)
  *                 intersect_method="double binary"             # <<<<<<<<<<<<<<
@@ -43330,21 +44628,21 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":836
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":875
  *                 intersect_method="double binary"
  *             else:
  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, MERGE)             # <<<<<<<<<<<<<<
  *                 intersect_method="merge"
  *         return result
  */
-      __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->intersect_helper(__pyx_v_self, __pyx_v_prefix, __pyx_v_suffix, __pyx_v_prefix_loc, __pyx_v_suffix_loc, __pyx_v_3_sa_MERGE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->intersect_helper(__pyx_v_self, __pyx_v_prefix, __pyx_v_suffix, __pyx_v_prefix_loc, __pyx_v_suffix_loc, __pyx_v_3_sa_MERGE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_v_result));
       __pyx_v_result = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
       __pyx_t_3 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":837
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":876
  *             else:
  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, MERGE)
  *                 intersect_method="merge"             # <<<<<<<<<<<<<<
@@ -43360,7 +44658,7 @@ static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFact
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":838
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":877
  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, MERGE)
  *                 intersect_method="merge"
  *         return result             # <<<<<<<<<<<<<<
@@ -43422,16 +44720,16 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance(PyObject *__p
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__res)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 879; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fwords)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 879; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "advance") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "advance") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 879; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
       goto __pyx_L5_argtuple_error;
@@ -43446,7 +44744,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance(PyObject *__p
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("advance", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 879; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.advance", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -43457,7 +44755,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance(PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":840
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":879
  *         return result
  * 
  *     def advance(self, frontier, res, fwords):             # <<<<<<<<<<<<<<
@@ -43498,19 +44796,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("advance", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":842
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":881
  *     def advance(self, frontier, res, fwords):
  *         cdef unsigned na
  *         nf = []             # <<<<<<<<<<<<<<
  *         for (toskip, (i, alt, pathlen)) in frontier:
  *             spanlen = fwords[i][alt][2]
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 881; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_nf = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":843
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":882
  *         cdef unsigned na
  *         nf = []
  *         for (toskip, (i, alt, pathlen)) in frontier:             # <<<<<<<<<<<<<<
@@ -43521,7 +44819,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     __pyx_t_1 = __pyx_v_frontier; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_frontier); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_frontier); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -43529,23 +44827,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -43561,7 +44859,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       if (unlikely(size != 2)) {
         if (size > 2) __Pyx_RaiseTooManyValuesError(2);
         else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
@@ -43574,14 +44872,14 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_INCREF(__pyx_t_5);
       __Pyx_INCREF(__pyx_t_6);
       #else
-      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     } else
     {
       Py_ssize_t index = -1;
-      __pyx_t_7 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_7);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_t_8 = Py_TYPE(__pyx_t_7)->tp_iternext;
@@ -43589,7 +44887,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_GOTREF(__pyx_t_5);
       index = 1; __pyx_t_6 = __pyx_t_8(__pyx_t_7); if (unlikely(!__pyx_t_6)) goto __pyx_L5_unpacking_failed;
       __Pyx_GOTREF(__pyx_t_6);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_7), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_7), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_8 = NULL;
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
       goto __pyx_L6_unpacking_done;
@@ -43597,7 +44895,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
       __pyx_t_8 = NULL;
       if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L6_unpacking_done:;
     }
     __Pyx_XDECREF(__pyx_v_toskip);
@@ -43613,7 +44911,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       if (unlikely(size != 3)) {
         if (size > 3) __Pyx_RaiseTooManyValuesError(3);
         else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
@@ -43629,15 +44927,15 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_INCREF(__pyx_t_9);
       __Pyx_INCREF(__pyx_t_10);
       #else
-      __pyx_t_7 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_9 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_10 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     } else
     {
       Py_ssize_t index = -1;
-      __pyx_t_11 = PyObject_GetIter(__pyx_t_6); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_11 = PyObject_GetIter(__pyx_t_6); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_11);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       __pyx_t_8 = Py_TYPE(__pyx_t_11)->tp_iternext;
@@ -43647,7 +44945,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_GOTREF(__pyx_t_9);
       index = 2; __pyx_t_10 = __pyx_t_8(__pyx_t_11); if (unlikely(!__pyx_t_10)) goto __pyx_L7_unpacking_failed;
       __Pyx_GOTREF(__pyx_t_10);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_11), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_11), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_8 = NULL;
       __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
       goto __pyx_L8_unpacking_done;
@@ -43655,7 +44953,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
       __pyx_t_8 = NULL;
       if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L8_unpacking_done:;
     }
     __Pyx_XDECREF(__pyx_v_i);
@@ -43668,45 +44966,45 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     __pyx_v_pathlen = __pyx_t_10;
     __pyx_t_10 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":844
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":883
  *         nf = []
  *         for (toskip, (i, alt, pathlen)) in frontier:
  *             spanlen = fwords[i][alt][2]             # <<<<<<<<<<<<<<
  *             if (toskip == 0):
  *                 res.append((i, alt, pathlen))
  */
-    __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_i); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_i); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_6 = PyObject_GetItem(__pyx_t_4, __pyx_v_alt); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_GetItem(__pyx_t_4, __pyx_v_alt); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_6, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_6, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     __Pyx_XDECREF(__pyx_v_spanlen);
     __pyx_v_spanlen = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":845
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":884
  *         for (toskip, (i, alt, pathlen)) in frontier:
  *             spanlen = fwords[i][alt][2]
  *             if (toskip == 0):             # <<<<<<<<<<<<<<
  *                 res.append((i, alt, pathlen))
  *             ni = i + spanlen
  */
-    __pyx_t_4 = PyObject_RichCompare(__pyx_v_toskip, __pyx_int_0, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 845; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_12 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 845; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_toskip, __pyx_int_0, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 884; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_12 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 884; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     if (__pyx_t_12) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":846
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":885
  *             spanlen = fwords[i][alt][2]
  *             if (toskip == 0):
  *                 res.append((i, alt, pathlen))             # <<<<<<<<<<<<<<
  *             ni = i + spanlen
  *             if (ni < len(fwords) and (pathlen + 1) < self.max_initial_size):
  */
-      __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 846; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_INCREF(__pyx_v_i);
       PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_i);
@@ -43717,7 +45015,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
       __Pyx_INCREF(__pyx_v_pathlen);
       PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_pathlen);
       __Pyx_GIVEREF(__pyx_v_pathlen);
-      __pyx_t_6 = __Pyx_PyObject_Append(__pyx_v_res, ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 846; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_Append(__pyx_v_res, ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
       __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
@@ -43725,42 +45023,42 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     }
     __pyx_L9:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":847
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":886
  *             if (toskip == 0):
  *                 res.append((i, alt, pathlen))
  *             ni = i + spanlen             # <<<<<<<<<<<<<<
  *             if (ni < len(fwords) and (pathlen + 1) < self.max_initial_size):
  *                 for na in range(len(fwords[ni])):
  */
-    __pyx_t_6 = PyNumber_Add(__pyx_v_i, __pyx_v_spanlen); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 847; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyNumber_Add(__pyx_v_i, __pyx_v_spanlen); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_XDECREF(__pyx_v_ni);
     __pyx_v_ni = __pyx_t_6;
     __pyx_t_6 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":848
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":887
  *                 res.append((i, alt, pathlen))
  *             ni = i + spanlen
  *             if (ni < len(fwords) and (pathlen + 1) < self.max_initial_size):             # <<<<<<<<<<<<<<
  *                 for na in range(len(fwords[ni])):
  *                     nf.append((toskip - 1, (ni, na, pathlen + 1)))
  */
-    __pyx_t_13 = PyObject_Length(__pyx_v_fwords); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_6 = PyInt_FromSsize_t(__pyx_t_13); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_13 = PyObject_Length(__pyx_v_fwords); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyInt_FromSsize_t(__pyx_t_13); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_4 = PyObject_RichCompare(__pyx_v_ni, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_ni, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_12 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_12 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     if (__pyx_t_12) {
-      __pyx_t_4 = PyNumber_Add(__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyNumber_Add(__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_6 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_t_4, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_RichCompare(__pyx_t_4, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_14 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_14 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 848; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_14 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       __pyx_t_15 = __pyx_t_14;
     } else {
@@ -43768,34 +45066,34 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     }
     if (__pyx_t_15) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":849
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":888
  *             ni = i + spanlen
  *             if (ni < len(fwords) and (pathlen + 1) < self.max_initial_size):
  *                 for na in range(len(fwords[ni])):             # <<<<<<<<<<<<<<
  *                     nf.append((toskip - 1, (ni, na, pathlen + 1)))
  *         if (len(nf) > 0):
  */
-      __pyx_t_5 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ni); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ni); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 888; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_13 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_13 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 888; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       for (__pyx_t_16 = 0; __pyx_t_16 < __pyx_t_13; __pyx_t_16+=1) {
         __pyx_v_na = __pyx_t_16;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":850
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":889
  *             if (ni < len(fwords) and (pathlen + 1) < self.max_initial_size):
  *                 for na in range(len(fwords[ni])):
  *                     nf.append((toskip - 1, (ni, na, pathlen + 1)))             # <<<<<<<<<<<<<<
  *         if (len(nf) > 0):
  *             return self.advance(nf, res, fwords)
  */
-        __pyx_t_5 = PyNumber_Subtract(__pyx_v_toskip, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyNumber_Subtract(__pyx_v_toskip, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
-        __pyx_t_6 = PyLong_FromUnsignedLong(__pyx_v_na); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyLong_FromUnsignedLong(__pyx_v_na); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_6);
-        __pyx_t_4 = PyNumber_Add(__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyNumber_Add(__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_10 = PyTuple_New(3); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyTuple_New(3); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_INCREF(__pyx_v_ni);
         PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_v_ni);
@@ -43806,7 +45104,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
         __Pyx_GIVEREF(__pyx_t_4);
         __pyx_t_6 = 0;
         __pyx_t_4 = 0;
-        __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
         PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_5);
         __Pyx_GIVEREF(__pyx_t_5);
@@ -43814,7 +45112,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
         __Pyx_GIVEREF(((PyObject *)__pyx_t_10));
         __pyx_t_5 = 0;
         __pyx_t_10 = 0;
-        __pyx_t_17 = PyList_Append(__pyx_v_nf, ((PyObject *)__pyx_t_4)); if (unlikely(__pyx_t_17 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 850; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PyList_Append(__pyx_v_nf, ((PyObject *)__pyx_t_4)); if (unlikely(__pyx_t_17 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
       }
       goto __pyx_L10;
@@ -43823,18 +45121,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":851
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":890
  *                 for na in range(len(fwords[ni])):
  *                     nf.append((toskip - 1, (ni, na, pathlen + 1)))
  *         if (len(nf) > 0):             # <<<<<<<<<<<<<<
  *             return self.advance(nf, res, fwords)
  *         else:
  */
-  __pyx_t_2 = PyList_GET_SIZE(((PyObject *)__pyx_v_nf)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyList_GET_SIZE(((PyObject *)__pyx_v_nf)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 890; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_t_15 = (__pyx_t_2 > 0);
   if (__pyx_t_15) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":852
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":891
  *                     nf.append((toskip - 1, (ni, na, pathlen + 1)))
  *         if (len(nf) > 0):
  *             return self.advance(nf, res, fwords)             # <<<<<<<<<<<<<<
@@ -43842,9 +45140,9 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
  *             return res
  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__advance); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__advance); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 891; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 891; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_INCREF(((PyObject *)__pyx_v_nf));
     PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_v_nf));
@@ -43855,7 +45153,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
     __Pyx_INCREF(__pyx_v_fwords);
     PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_fwords);
     __Pyx_GIVEREF(__pyx_v_fwords);
-    __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 891; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
@@ -43866,7 +45164,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":854
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":893
  *             return self.advance(nf, res, fwords)
  *         else:
  *             return res             # <<<<<<<<<<<<<<
@@ -43944,36 +45242,36 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__spanlen)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  3:
         if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__pathlen)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  4:
         if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fwords)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 4); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 4); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  5:
         if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__next_states)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 5); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 5); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  6:
         if (likely((values[6] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__reachable_buffer)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 6); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 6); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_all_nodes_isteps_away") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_all_nodes_isteps_away") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 7) {
       goto __pyx_L5_argtuple_error;
@@ -43996,7 +45294,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 856; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_all_nodes_isteps_away", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -44007,7 +45305,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":856
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":895
  *             return res
  * 
  *     def get_all_nodes_isteps_away(self, skip, i, spanlen, pathlen, fwords, next_states, reachable_buffer):             # <<<<<<<<<<<<<<
@@ -44045,41 +45343,41 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("get_all_nodes_isteps_away", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":858
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":897
  *     def get_all_nodes_isteps_away(self, skip, i, spanlen, pathlen, fwords, next_states, reachable_buffer):
  *         cdef unsigned alt_it
  *         frontier = []             # <<<<<<<<<<<<<<
  *         if (i+spanlen+skip >= len(next_states)):
  *             return frontier
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 858; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 897; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_frontier = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":859
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":898
  *         cdef unsigned alt_it
  *         frontier = []
  *         if (i+spanlen+skip >= len(next_states)):             # <<<<<<<<<<<<<<
  *             return frontier
  *         key = tuple([i,spanlen])
  */
-  __pyx_t_1 = PyNumber_Add(__pyx_v_i, __pyx_v_spanlen); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyNumber_Add(__pyx_v_i, __pyx_v_spanlen); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_skip); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_skip); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_3 = PyObject_Length(__pyx_v_next_states); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Length(__pyx_v_next_states); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_4 = PyObject_RichCompare(__pyx_t_2, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_RichCompare(__pyx_t_2, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 859; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 898; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
   if (__pyx_t_5) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":860
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":899
  *         frontier = []
  *         if (i+spanlen+skip >= len(next_states)):
  *             return frontier             # <<<<<<<<<<<<<<
@@ -44094,14 +45392,14 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":861
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":900
  *         if (i+spanlen+skip >= len(next_states)):
  *             return frontier
  *         key = tuple([i,spanlen])             # <<<<<<<<<<<<<<
  *         reachable = []
  *         if (key in reachable_buffer):
  */
-  __pyx_t_4 = PyList_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyList_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_INCREF(__pyx_v_i);
   PyList_SET_ITEM(__pyx_t_4, 0, __pyx_v_i);
@@ -44109,42 +45407,42 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
   __Pyx_INCREF(__pyx_v_spanlen);
   PyList_SET_ITEM(__pyx_t_4, 1, __pyx_v_spanlen);
   __Pyx_GIVEREF(__pyx_v_spanlen);
-  __pyx_t_1 = ((PyObject *)PyList_AsTuple(__pyx_t_4)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = ((PyObject *)PyList_AsTuple(__pyx_t_4)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
   __pyx_v_key = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":862
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":901
  *             return frontier
  *         key = tuple([i,spanlen])
  *         reachable = []             # <<<<<<<<<<<<<<
  *         if (key in reachable_buffer):
  *             reachable = reachable_buffer[key]
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_reachable = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":863
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":902
  *         key = tuple([i,spanlen])
  *         reachable = []
  *         if (key in reachable_buffer):             # <<<<<<<<<<<<<<
  *             reachable = reachable_buffer[key]
  *         else:
  */
-  __pyx_t_5 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_key), __pyx_v_reachable_buffer, Py_EQ)); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 863; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_key), __pyx_v_reachable_buffer, Py_EQ)); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_5) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":864
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":903
  *         reachable = []
  *         if (key in reachable_buffer):
  *             reachable = reachable_buffer[key]             # <<<<<<<<<<<<<<
  *         else:
  *             reachable = self.reachable(fwords, i, spanlen)
  */
-    __pyx_t_1 = PyObject_GetItem(__pyx_v_reachable_buffer, ((PyObject *)__pyx_v_key)); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 864; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_GetItem(__pyx_v_reachable_buffer, ((PyObject *)__pyx_v_key)); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 903; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_DECREF(__pyx_v_reachable);
     __pyx_v_reachable = __pyx_t_1;
@@ -44153,16 +45451,16 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":866
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":905
  *             reachable = reachable_buffer[key]
  *         else:
  *             reachable = self.reachable(fwords, i, spanlen)             # <<<<<<<<<<<<<<
  *             reachable_buffer[key] = reachable
  *         for nextreachable in reachable:
  */
-    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_INCREF(__pyx_v_fwords);
     PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_fwords);
@@ -44173,7 +45471,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
     __Pyx_INCREF(__pyx_v_spanlen);
     PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_spanlen);
     __Pyx_GIVEREF(__pyx_v_spanlen);
-    __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 866; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
@@ -44181,18 +45479,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
     __pyx_v_reachable = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":867
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":906
  *         else:
  *             reachable = self.reachable(fwords, i, spanlen)
  *             reachable_buffer[key] = reachable             # <<<<<<<<<<<<<<
  *         for nextreachable in reachable:
  *             for next_id in next_states[nextreachable]:
  */
-    if (PyObject_SetItem(__pyx_v_reachable_buffer, ((PyObject *)__pyx_v_key), __pyx_v_reachable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 867; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyObject_SetItem(__pyx_v_reachable_buffer, ((PyObject *)__pyx_v_key), __pyx_v_reachable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":868
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":907
  *             reachable = self.reachable(fwords, i, spanlen)
  *             reachable_buffer[key] = reachable
  *         for nextreachable in reachable:             # <<<<<<<<<<<<<<
@@ -44203,7 +45501,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
     __pyx_t_2 = __pyx_v_reachable; __Pyx_INCREF(__pyx_t_2); __pyx_t_3 = 0;
     __pyx_t_6 = NULL;
   } else {
-    __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_reachable); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_reachable); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __pyx_t_6 = Py_TYPE(__pyx_t_2)->tp_iternext;
   }
@@ -44211,23 +45509,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
     if (!__pyx_t_6 && PyList_CheckExact(__pyx_t_2)) {
       if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_2)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_6 && PyTuple_CheckExact(__pyx_t_2)) {
       if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_4 = __pyx_t_6(__pyx_t_2);
       if (unlikely(!__pyx_t_4)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -44237,20 +45535,20 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
     __pyx_v_nextreachable = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":869
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":908
  *             reachable_buffer[key] = reachable
  *         for nextreachable in reachable:
  *             for next_id in next_states[nextreachable]:             # <<<<<<<<<<<<<<
  *                 jump = self.shortest(fwords,i,next_id)
  *                 if jump < skip:
  */
-    __pyx_t_4 = PyObject_GetItem(__pyx_v_next_states, __pyx_v_nextreachable); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_GetItem(__pyx_v_next_states, __pyx_v_nextreachable); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
       __pyx_t_1 = __pyx_t_4; __Pyx_INCREF(__pyx_t_1); __pyx_t_7 = 0;
       __pyx_t_8 = NULL;
     } else {
-      __pyx_t_7 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __pyx_t_8 = Py_TYPE(__pyx_t_1)->tp_iternext;
     }
@@ -44259,23 +45557,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
       if (!__pyx_t_8 && PyList_CheckExact(__pyx_t_1)) {
         if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_1)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else if (!__pyx_t_8 && PyTuple_CheckExact(__pyx_t_1)) {
         if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else {
         __pyx_t_4 = __pyx_t_8(__pyx_t_1);
         if (unlikely(!__pyx_t_4)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           break;
         }
@@ -44285,16 +45583,16 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
       __pyx_v_next_id = __pyx_t_4;
       __pyx_t_4 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":870
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":909
  *         for nextreachable in reachable:
  *             for next_id in next_states[nextreachable]:
  *                 jump = self.shortest(fwords,i,next_id)             # <<<<<<<<<<<<<<
  *                 if jump < skip:
  *                     continue
  */
-      __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__shortest); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 870; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__shortest); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 909; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_9 = PyTuple_New(3); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 870; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PyTuple_New(3); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 909; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
       __Pyx_INCREF(__pyx_v_fwords);
       PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_v_fwords);
@@ -44305,7 +45603,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
       __Pyx_INCREF(__pyx_v_next_id);
       PyTuple_SET_ITEM(__pyx_t_9, 2, __pyx_v_next_id);
       __Pyx_GIVEREF(__pyx_v_next_id);
-      __pyx_t_10 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 870; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 909; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_10);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
@@ -44313,19 +45611,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
       __pyx_v_jump = __pyx_t_10;
       __pyx_t_10 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":871
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":910
  *             for next_id in next_states[nextreachable]:
  *                 jump = self.shortest(fwords,i,next_id)
  *                 if jump < skip:             # <<<<<<<<<<<<<<
  *                     continue
  *                 if pathlen+jump <= self.max_initial_size:
  */
-      __pyx_t_10 = PyObject_RichCompare(__pyx_v_jump, __pyx_v_skip, Py_LT); __Pyx_XGOTREF(__pyx_t_10); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 871; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_10); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 871; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PyObject_RichCompare(__pyx_v_jump, __pyx_v_skip, Py_LT); __Pyx_XGOTREF(__pyx_t_10); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_10); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       if (__pyx_t_5) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":872
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":911
  *                 jump = self.shortest(fwords,i,next_id)
  *                 if jump < skip:
  *                     continue             # <<<<<<<<<<<<<<
@@ -44337,50 +45635,50 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
       }
       __pyx_L9:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":873
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":912
  *                 if jump < skip:
  *                     continue
  *                 if pathlen+jump <= self.max_initial_size:             # <<<<<<<<<<<<<<
  *                     for alt_id in range(len(fwords[next_id])):
  *                         if (fwords[next_id][alt_id][0] != EPSILON):
  */
-      __pyx_t_10 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 873; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_10);
-      __pyx_t_9 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 873; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_4 = PyObject_RichCompare(__pyx_t_10, __pyx_t_9, Py_LE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 873; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_RichCompare(__pyx_t_10, __pyx_t_9, Py_LE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 873; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       if (__pyx_t_5) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":874
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":913
  *                     continue
  *                 if pathlen+jump <= self.max_initial_size:
  *                     for alt_id in range(len(fwords[next_id])):             # <<<<<<<<<<<<<<
  *                         if (fwords[next_id][alt_id][0] != EPSILON):
  *                             newel = (next_id,alt_id,pathlen+jump)
  */
-        __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_next_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_next_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_11 = PyObject_Length(__pyx_t_4); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_11 = PyObject_Length(__pyx_t_4); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-        __pyx_t_4 = PyInt_FromSsize_t(__pyx_t_11); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyInt_FromSsize_t(__pyx_t_11); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_9);
         PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_4);
         __Pyx_GIVEREF(__pyx_t_4);
         __pyx_t_4 = 0;
-        __pyx_t_4 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
         if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
           __pyx_t_9 = __pyx_t_4; __Pyx_INCREF(__pyx_t_9); __pyx_t_11 = 0;
           __pyx_t_12 = NULL;
         } else {
-          __pyx_t_11 = -1; __pyx_t_9 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_11 = -1; __pyx_t_9 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
           __pyx_t_12 = Py_TYPE(__pyx_t_9)->tp_iternext;
         }
@@ -44389,23 +45687,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
           if (!__pyx_t_12 && PyList_CheckExact(__pyx_t_9)) {
             if (__pyx_t_11 >= PyList_GET_SIZE(__pyx_t_9)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_4 = PyList_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_4 = PyList_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_4 = PySequence_ITEM(__pyx_t_9, __pyx_t_11); __pyx_t_11++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_4 = PySequence_ITEM(__pyx_t_9, __pyx_t_11); __pyx_t_11++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else if (!__pyx_t_12 && PyTuple_CheckExact(__pyx_t_9)) {
             if (__pyx_t_11 >= PyTuple_GET_SIZE(__pyx_t_9)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_4 = PySequence_ITEM(__pyx_t_9, __pyx_t_11); __pyx_t_11++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_4 = PySequence_ITEM(__pyx_t_9, __pyx_t_11); __pyx_t_11++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else {
             __pyx_t_4 = __pyx_t_12(__pyx_t_9);
             if (unlikely(!__pyx_t_4)) {
               if (PyErr_Occurred()) {
                 if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 874; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               break;
             }
@@ -44415,40 +45713,40 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
           __pyx_v_alt_id = __pyx_t_4;
           __pyx_t_4 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":875
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":914
  *                 if pathlen+jump <= self.max_initial_size:
  *                     for alt_id in range(len(fwords[next_id])):
  *                         if (fwords[next_id][alt_id][0] != EPSILON):             # <<<<<<<<<<<<<<
  *                             newel = (next_id,alt_id,pathlen+jump)
  *                             if newel not in frontier:
  */
-          __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_next_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_4 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_next_id); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_4);
-          __pyx_t_10 = PyObject_GetItem(__pyx_t_4, __pyx_v_alt_id); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_GetItem(__pyx_t_4, __pyx_v_alt_id); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-          __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_10, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_10, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_4);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_10 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_13 = PyObject_RichCompare(__pyx_t_4, __pyx_t_10, Py_NE); __Pyx_XGOTREF(__pyx_t_13); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_13 = PyObject_RichCompare(__pyx_t_4, __pyx_t_10, Py_NE); __Pyx_XGOTREF(__pyx_t_13); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_13); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 875; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_13); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
           if (__pyx_t_5) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":876
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":915
  *                     for alt_id in range(len(fwords[next_id])):
  *                         if (fwords[next_id][alt_id][0] != EPSILON):
  *                             newel = (next_id,alt_id,pathlen+jump)             # <<<<<<<<<<<<<<
  *                             if newel not in frontier:
  *                                 frontier.append((next_id,alt_id,pathlen+jump))
  */
-            __pyx_t_13 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 876; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_13 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 915; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_13);
-            __pyx_t_10 = PyTuple_New(3); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 876; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyTuple_New(3); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 915; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_INCREF(__pyx_v_next_id);
             PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_v_next_id);
@@ -44463,26 +45761,26 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
             __pyx_v_newel = __pyx_t_10;
             __pyx_t_10 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":877
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":916
  *                         if (fwords[next_id][alt_id][0] != EPSILON):
  *                             newel = (next_id,alt_id,pathlen+jump)
  *                             if newel not in frontier:             # <<<<<<<<<<<<<<
  *                                 frontier.append((next_id,alt_id,pathlen+jump))
  *         return frontier
  */
-            __pyx_t_5 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_newel), ((PyObject *)__pyx_v_frontier), Py_NE)); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 877; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_5 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_v_newel), ((PyObject *)__pyx_v_frontier), Py_NE)); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 916; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             if (__pyx_t_5) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":878
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":917
  *                             newel = (next_id,alt_id,pathlen+jump)
  *                             if newel not in frontier:
  *                                 frontier.append((next_id,alt_id,pathlen+jump))             # <<<<<<<<<<<<<<
  *         return frontier
  * 
  */
-              __pyx_t_10 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 878; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PyNumber_Add(__pyx_v_pathlen, __pyx_v_jump); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 917; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
-              __pyx_t_13 = PyTuple_New(3); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 878; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyTuple_New(3); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 917; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_13);
               __Pyx_INCREF(__pyx_v_next_id);
               PyTuple_SET_ITEM(__pyx_t_13, 0, __pyx_v_next_id);
@@ -44493,7 +45791,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
               PyTuple_SET_ITEM(__pyx_t_13, 2, __pyx_t_10);
               __Pyx_GIVEREF(__pyx_t_10);
               __pyx_t_10 = 0;
-              __pyx_t_14 = PyList_Append(__pyx_v_frontier, ((PyObject *)__pyx_t_13)); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 878; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyList_Append(__pyx_v_frontier, ((PyObject *)__pyx_t_13)); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 917; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
               goto __pyx_L14;
             }
@@ -44512,7 +45810,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_
   }
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":879
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":918
  *                             if newel not in frontier:
  *                                 frontier.append((next_id,alt_id,pathlen+jump))
  *         return frontier             # <<<<<<<<<<<<<<
@@ -44579,16 +45877,16 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_17reachable(PyObject *_
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__ifrom)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 881; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__dist)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 881; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "reachable") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 881; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "reachable") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
       goto __pyx_L5_argtuple_error;
@@ -44603,7 +45901,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_17reachable(PyObject *_
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 881; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.reachable", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -44614,7 +45912,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_17reachable(PyObject *_
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":881
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":920
  *         return frontier
  * 
  *     def reachable(self, fwords, ifrom, dist):             # <<<<<<<<<<<<<<
@@ -44644,35 +45942,35 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("reachable", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":882
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":921
  * 
  *     def reachable(self, fwords, ifrom, dist):
  *         ret = []             # <<<<<<<<<<<<<<
  *         if (ifrom >= len(fwords)):
  *             return ret
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 921; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_ret = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":883
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":922
  *     def reachable(self, fwords, ifrom, dist):
  *         ret = []
  *         if (ifrom >= len(fwords)):             # <<<<<<<<<<<<<<
  *             return ret
  *         for alt_id in range(len(fwords[ifrom])):
  */
-  __pyx_t_2 = PyObject_Length(__pyx_v_fwords); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_v_fwords); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   if (__pyx_t_4) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":884
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":923
  *         ret = []
  *         if (ifrom >= len(fwords)):
  *             return ret             # <<<<<<<<<<<<<<
@@ -44687,32 +45985,32 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":885
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":924
  *         if (ifrom >= len(fwords)):
  *             return ret
  *         for alt_id in range(len(fwords[ifrom])):             # <<<<<<<<<<<<<<
  *             if (fwords[ifrom][alt_id][0] == EPSILON):
  *                 ret.extend(self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist))
  */
-  __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_2 = PyObject_Length(__pyx_t_3); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_t_3); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_3);
   __Pyx_GIVEREF(__pyx_t_3);
   __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   if (PyList_CheckExact(__pyx_t_3) || PyTuple_CheckExact(__pyx_t_3)) {
     __pyx_t_1 = __pyx_t_3; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
     __pyx_t_5 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __pyx_t_5 = Py_TYPE(__pyx_t_1)->tp_iternext;
   }
@@ -44721,23 +46019,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
     if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
     } else {
       __pyx_t_3 = __pyx_t_5(__pyx_t_1);
       if (unlikely(!__pyx_t_3)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 885; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -44747,53 +46045,53 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
     __pyx_v_alt_id = __pyx_t_3;
     __pyx_t_3 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":886
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":925
  *             return ret
  *         for alt_id in range(len(fwords[ifrom])):
  *             if (fwords[ifrom][alt_id][0] == EPSILON):             # <<<<<<<<<<<<<<
  *                 ret.extend(self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist))
  *             else:
  */
-    __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_6 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_6, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_6, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_7 = PyObject_RichCompare(__pyx_t_3, __pyx_t_6, Py_EQ); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_3, __pyx_t_6, Py_EQ); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 886; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":887
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":926
  *         for alt_id in range(len(fwords[ifrom])):
  *             if (fwords[ifrom][alt_id][0] == EPSILON):
  *                 ret.extend(self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist))             # <<<<<<<<<<<<<<
  *             else:
  *                 if (dist==0):
  */
-      __pyx_t_7 = PyObject_GetAttr(((PyObject *)__pyx_v_ret), __pyx_n_s__extend); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyObject_GetAttr(((PyObject *)__pyx_v_ret), __pyx_n_s__extend); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_7);
-      __pyx_t_6 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_8 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_8, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_8, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-      __pyx_t_8 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_INCREF(__pyx_v_fwords);
       PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_fwords);
@@ -44804,16 +46102,16 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
       PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_v_dist);
       __Pyx_GIVEREF(__pyx_v_dist);
       __pyx_t_8 = 0;
-      __pyx_t_8 = PyObject_Call(__pyx_t_6, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyObject_Call(__pyx_t_6, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-      __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_8);
       __Pyx_GIVEREF(__pyx_t_8);
       __pyx_t_8 = 0;
-      __pyx_t_8 = PyObject_Call(__pyx_t_7, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 887; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyObject_Call(__pyx_t_7, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
       __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -44822,36 +46120,36 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":889
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":928
  *                 ret.extend(self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist))
  *             else:
  *                 if (dist==0):             # <<<<<<<<<<<<<<
  *                     if (ifrom not in ret):
  *                         ret.append(ifrom)
  */
-      __pyx_t_8 = PyObject_RichCompare(__pyx_v_dist, __pyx_int_0, Py_EQ); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 889; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyObject_RichCompare(__pyx_v_dist, __pyx_int_0, Py_EQ); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":890
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":929
  *             else:
  *                 if (dist==0):
  *                     if (ifrom not in ret):             # <<<<<<<<<<<<<<
  *                         ret.append(ifrom)
  *                 else:
  */
-        __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_v_ifrom, ((PyObject *)__pyx_v_ret), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 890; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_v_ifrom, ((PyObject *)__pyx_v_ret), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 929; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":891
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":930
  *                 if (dist==0):
  *                     if (ifrom not in ret):
  *                         ret.append(ifrom)             # <<<<<<<<<<<<<<
  *                 else:
  *                     for ifromchild in self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist-1):
  */
-          __pyx_t_9 = PyList_Append(__pyx_v_ret, __pyx_v_ifrom); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 891; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyList_Append(__pyx_v_ret, __pyx_v_ifrom); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           goto __pyx_L8;
         }
         __pyx_L8:;
@@ -44859,29 +46157,29 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":893
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":932
  *                         ret.append(ifrom)
  *                 else:
  *                     for ifromchild in self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist-1):             # <<<<<<<<<<<<<<
  *                         if (ifromchild not in ret):
  *                             ret.append(ifromchild)
  */
-        __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__reachable); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
-        __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_7 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyObject_GetItem(__pyx_t_3, __pyx_v_alt_id); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-        __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_7, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_7, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
-        __pyx_t_7 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-        __pyx_t_3 = PyNumber_Subtract(__pyx_v_dist, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyNumber_Subtract(__pyx_v_dist, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_6 = PyTuple_New(3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyTuple_New(3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_6);
         __Pyx_INCREF(__pyx_v_fwords);
         PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_v_fwords);
@@ -44892,7 +46190,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
         __Pyx_GIVEREF(__pyx_t_3);
         __pyx_t_7 = 0;
         __pyx_t_3 = 0;
-        __pyx_t_3 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
@@ -44900,7 +46198,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
           __pyx_t_6 = __pyx_t_3; __Pyx_INCREF(__pyx_t_6); __pyx_t_10 = 0;
           __pyx_t_11 = NULL;
         } else {
-          __pyx_t_10 = -1; __pyx_t_6 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = -1; __pyx_t_6 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_6);
           __pyx_t_11 = Py_TYPE(__pyx_t_6)->tp_iternext;
         }
@@ -44909,23 +46207,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
           if (!__pyx_t_11 && PyList_CheckExact(__pyx_t_6)) {
             if (__pyx_t_10 >= PyList_GET_SIZE(__pyx_t_6)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else if (!__pyx_t_11 && PyTuple_CheckExact(__pyx_t_6)) {
             if (__pyx_t_10 >= PyTuple_GET_SIZE(__pyx_t_6)) break;
             #if CYTHON_COMPILING_IN_CPYTHON
-            __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #else
-            __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PySequence_ITEM(__pyx_t_6, __pyx_t_10); __pyx_t_10++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             #endif
           } else {
             __pyx_t_3 = __pyx_t_11(__pyx_t_6);
             if (unlikely(!__pyx_t_3)) {
               if (PyErr_Occurred()) {
                 if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               break;
             }
@@ -44935,24 +46233,24 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
           __pyx_v_ifromchild = __pyx_t_3;
           __pyx_t_3 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":894
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":933
  *                 else:
  *                     for ifromchild in self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist-1):
  *                         if (ifromchild not in ret):             # <<<<<<<<<<<<<<
  *                             ret.append(ifromchild)
  * 
  */
-          __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_v_ifromchild, ((PyObject *)__pyx_v_ret), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 894; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_v_ifromchild, ((PyObject *)__pyx_v_ret), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 933; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           if (__pyx_t_4) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":895
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":934
  *                     for ifromchild in self.reachable(fwords,ifrom+fwords[ifrom][alt_id][2],dist-1):
  *                         if (ifromchild not in ret):
  *                             ret.append(ifromchild)             # <<<<<<<<<<<<<<
  * 
  *         return ret
  */
-            __pyx_t_9 = PyList_Append(__pyx_v_ret, __pyx_v_ifromchild); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 895; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyList_Append(__pyx_v_ret, __pyx_v_ifromchild); if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             goto __pyx_L11;
           }
           __pyx_L11:;
@@ -44965,7 +46263,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __py
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":897
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":936
  *                             ret.append(ifromchild)
  * 
  *         return ret             # <<<<<<<<<<<<<<
@@ -45026,16 +46324,16 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest(PyObject *__
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__ifrom)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 899; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 938; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__ito)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 899; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 938; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "shortest") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 899; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "shortest") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 938; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
       goto __pyx_L5_argtuple_error;
@@ -45050,7 +46348,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest(PyObject *__
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 899; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("shortest", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 938; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.shortest", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -45061,7 +46359,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest(PyObject *__
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":899
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":938
  *         return ret
  * 
  *     def shortest(self, fwords, ifrom, ito):             # <<<<<<<<<<<<<<
@@ -45086,7 +46384,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("shortest", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":901
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":940
  *     def shortest(self, fwords, ifrom, ito):
  *         cdef unsigned alt_id
  *         min = 1000             # <<<<<<<<<<<<<<
@@ -45096,19 +46394,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
   __Pyx_INCREF(__pyx_int_1000);
   __pyx_v_min = __pyx_int_1000;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":902
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":941
  *         cdef unsigned alt_id
  *         min = 1000
  *         if (ifrom > ito):             # <<<<<<<<<<<<<<
  *             return min
  *         if (ifrom == ito):
  */
-  __pyx_t_1 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_v_ito, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_v_ito, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 941; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 941; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":903
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":942
  *         min = 1000
  *         if (ifrom > ito):
  *             return min             # <<<<<<<<<<<<<<
@@ -45123,19 +46421,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":904
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":943
  *         if (ifrom > ito):
  *             return min
  *         if (ifrom == ito):             # <<<<<<<<<<<<<<
  *             return 0
  *         for alt_id in range(len(fwords[ifrom])):
  */
-  __pyx_t_1 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_v_ito, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_RichCompare(__pyx_v_ifrom, __pyx_v_ito, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 943; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 943; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":905
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":944
  *             return min
  *         if (ifrom == ito):
  *             return 0             # <<<<<<<<<<<<<<
@@ -45150,41 +46448,41 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
   }
   __pyx_L4:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":906
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":945
  *         if (ifrom == ito):
  *             return 0
  *         for alt_id in range(len(fwords[ifrom])):             # <<<<<<<<<<<<<<
  *             currmin = self.shortest(fwords,ifrom+fwords[ifrom][alt_id][2],ito)
  *             if (fwords[ifrom][alt_id][0] != EPSILON):
  */
-  __pyx_t_1 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_alt_id = __pyx_t_4;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":907
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":946
  *             return 0
  *         for alt_id in range(len(fwords[ifrom])):
  *             currmin = self.shortest(fwords,ifrom+fwords[ifrom][alt_id][2],ito)             # <<<<<<<<<<<<<<
  *             if (fwords[ifrom][alt_id][0] != EPSILON):
  *                 currmin += 1
  */
-    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__shortest); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__shortest); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_5 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_6 = __Pyx_GetItemInt(__pyx_t_5, __pyx_v_alt_id, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_GetItemInt(__pyx_t_5, __pyx_v_alt_id, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_6, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_6, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyNumber_Add(__pyx_v_ifrom, __pyx_t_5); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyTuple_New(3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_INCREF(__pyx_v_fwords);
     PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_v_fwords);
@@ -45195,7 +46493,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
     PyTuple_SET_ITEM(__pyx_t_5, 2, __pyx_v_ito);
     __Pyx_GIVEREF(__pyx_v_ito);
     __pyx_t_6 = 0;
-    __pyx_t_6 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
@@ -45203,38 +46501,38 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
     __pyx_v_currmin = __pyx_t_6;
     __pyx_t_6 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":908
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":947
  *         for alt_id in range(len(fwords[ifrom])):
  *             currmin = self.shortest(fwords,ifrom+fwords[ifrom][alt_id][2],ito)
  *             if (fwords[ifrom][alt_id][0] != EPSILON):             # <<<<<<<<<<<<<<
  *                 currmin += 1
  *             if (currmin<min):
  */
-    __pyx_t_6 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_GetItem(__pyx_v_fwords, __pyx_v_ifrom); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_6, __pyx_v_alt_id, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_6, __pyx_v_alt_id, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = __Pyx_GetItemInt(__pyx_t_5, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_GetItemInt(__pyx_t_5, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_5 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_1 = PyObject_RichCompare(__pyx_t_6, __pyx_t_5, Py_NE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_RichCompare(__pyx_t_6, __pyx_t_5, Py_NE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 908; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     if (__pyx_t_2) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":909
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":948
  *             currmin = self.shortest(fwords,ifrom+fwords[ifrom][alt_id][2],ito)
  *             if (fwords[ifrom][alt_id][0] != EPSILON):
  *                 currmin += 1             # <<<<<<<<<<<<<<
  *             if (currmin<min):
  *                 min = currmin
  */
-      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_currmin, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 909; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_currmin, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 948; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_v_currmin);
       __pyx_v_currmin = __pyx_t_1;
@@ -45243,19 +46541,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
     }
     __pyx_L7:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":910
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":949
  *             if (fwords[ifrom][alt_id][0] != EPSILON):
  *                 currmin += 1
  *             if (currmin<min):             # <<<<<<<<<<<<<<
  *                 min = currmin
  *         return min
  */
-    __pyx_t_1 = PyObject_RichCompare(__pyx_v_currmin, __pyx_v_min, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_currmin, __pyx_v_min, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 949; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 949; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     if (__pyx_t_2) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":911
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":950
  *                 currmin += 1
  *             if (currmin<min):
  *                 min = currmin             # <<<<<<<<<<<<<<
@@ -45270,7 +46568,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
     __pyx_L8:;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":912
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":951
  *             if (currmin<min):
  *                 min = currmin
  *         return min             # <<<<<<<<<<<<<<
@@ -45329,7 +46627,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states(PyObj
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__curr_idx)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("get_next_states", 0, 2, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("get_next_states", 0, 2, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 953; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
         if (kw_args > 0) {
@@ -45338,7 +46636,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states(PyObj
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_next_states") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "get_next_states") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 953; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -45355,7 +46653,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states(PyObj
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("get_next_states", 0, 2, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 914; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("get_next_states", 0, 2, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 953; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_next_states", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -45366,7 +46664,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states(PyObj
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":914
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":953
  *         return min
  * 
  *     def get_next_states(self, _columns, curr_idx, min_dist=2):             # <<<<<<<<<<<<<<
@@ -45399,26 +46697,26 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("get_next_states", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":915
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":954
  * 
  *     def get_next_states(self, _columns, curr_idx, min_dist=2):
  *         result = []             # <<<<<<<<<<<<<<
  *         candidate = [[curr_idx,0]]
  * 
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 915; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_result = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":916
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":955
  *     def get_next_states(self, _columns, curr_idx, min_dist=2):
  *         result = []
  *         candidate = [[curr_idx,0]]             # <<<<<<<<<<<<<<
  * 
  *         while len(candidate) > 0:
  */
-  __pyx_t_1 = PyList_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 916; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_INCREF(__pyx_v_curr_idx);
   PyList_SET_ITEM(__pyx_t_1, 0, __pyx_v_curr_idx);
@@ -45426,7 +46724,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
   __Pyx_INCREF(__pyx_int_0);
   PyList_SET_ITEM(__pyx_t_1, 1, __pyx_int_0);
   __Pyx_GIVEREF(__pyx_int_0);
-  __pyx_t_2 = PyList_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 916; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyList_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   PyList_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_t_1));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
@@ -45434,7 +46732,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
   __pyx_v_candidate = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":918
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":957
  *         candidate = [[curr_idx,0]]
  * 
  *         while len(candidate) > 0:             # <<<<<<<<<<<<<<
@@ -45442,43 +46740,43 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
  *             if curr[0] >= len(_columns):
  */
   while (1) {
-    __pyx_t_3 = PyList_GET_SIZE(((PyObject *)__pyx_v_candidate)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 918; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyList_GET_SIZE(((PyObject *)__pyx_v_candidate)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_4 = (__pyx_t_3 > 0);
     if (!__pyx_t_4) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":919
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":958
  * 
  *         while len(candidate) > 0:
  *             curr = candidate.pop()             # <<<<<<<<<<<<<<
  *             if curr[0] >= len(_columns):
  *                 continue
  */
-    __pyx_t_2 = __Pyx_PyObject_Pop(((PyObject *)__pyx_v_candidate)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 919; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_Pop(((PyObject *)__pyx_v_candidate)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 958; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_XDECREF(__pyx_v_curr);
     __pyx_v_curr = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":920
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":959
  *         while len(candidate) > 0:
  *             curr = candidate.pop()
  *             if curr[0] >= len(_columns):             # <<<<<<<<<<<<<<
  *                 continue
  *             if curr[0] not in result and min_dist <= curr[1] <= self.max_initial_size:
  */
-    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = PyObject_Length(__pyx_v__columns); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Length(__pyx_v__columns); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_5 = PyObject_RichCompare(__pyx_t_2, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_2, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":921
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":960
  *             curr = candidate.pop()
  *             if curr[0] >= len(_columns):
  *                 continue             # <<<<<<<<<<<<<<
@@ -45490,30 +46788,30 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":922
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":961
  *             if curr[0] >= len(_columns):
  *                 continue
  *             if curr[0] not in result and min_dist <= curr[1] <= self.max_initial_size:             # <<<<<<<<<<<<<<
  *                 result.append(curr[0]);
  *             curr_col = _columns[curr[0]]
  */
-    __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_t_5, ((PyObject *)__pyx_v_result), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = (__Pyx_PySequence_Contains(__pyx_t_5, ((PyObject *)__pyx_v_result), Py_NE)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     if (__pyx_t_4) {
-      __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_1 = PyObject_RichCompare(__pyx_v_min_dist, __pyx_t_5, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_min_dist, __pyx_t_5, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       if (__Pyx_PyObject_IsTrue(__pyx_t_1)) {
         __Pyx_DECREF(__pyx_t_1);
-        __pyx_t_2 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyInt_FromLong(__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
-        __pyx_t_1 = PyObject_RichCompare(__pyx_t_5, __pyx_t_2, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_RichCompare(__pyx_t_5, __pyx_t_2, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       }
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 922; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __pyx_t_7 = __pyx_t_6;
     } else {
@@ -45521,38 +46819,38 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
     }
     if (__pyx_t_7) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":923
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":962
  *                 continue
  *             if curr[0] not in result and min_dist <= curr[1] <= self.max_initial_size:
  *                 result.append(curr[0]);             # <<<<<<<<<<<<<<
  *             curr_col = _columns[curr[0]]
  *             for alt in curr_col:
  */
-      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 923; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 962; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_8 = PyList_Append(__pyx_v_result, __pyx_t_1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 923; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyList_Append(__pyx_v_result, __pyx_t_1); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 962; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       goto __pyx_L6;
     }
     __pyx_L6:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":924
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":963
  *             if curr[0] not in result and min_dist <= curr[1] <= self.max_initial_size:
  *                 result.append(curr[0]);
  *             curr_col = _columns[curr[0]]             # <<<<<<<<<<<<<<
  *             for alt in curr_col:
  *                 next_id = curr[0]+alt[2]
  */
-    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 963; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_5 = PyObject_GetItem(__pyx_v__columns, __pyx_t_1); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 924; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyObject_GetItem(__pyx_v__columns, __pyx_t_1); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 963; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     __Pyx_XDECREF(__pyx_v_curr_col);
     __pyx_v_curr_col = __pyx_t_5;
     __pyx_t_5 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":925
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":964
  *                 result.append(curr[0]);
  *             curr_col = _columns[curr[0]]
  *             for alt in curr_col:             # <<<<<<<<<<<<<<
@@ -45563,7 +46861,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       __pyx_t_5 = __pyx_v_curr_col; __Pyx_INCREF(__pyx_t_5); __pyx_t_3 = 0;
       __pyx_t_9 = NULL;
     } else {
-      __pyx_t_3 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_v_curr_col); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_v_curr_col); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __pyx_t_9 = Py_TYPE(__pyx_t_5)->tp_iternext;
     }
@@ -45571,23 +46869,23 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_5)) {
         if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_5)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_1 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_3); __Pyx_INCREF(__pyx_t_1); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_3); __Pyx_INCREF(__pyx_t_1); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_1 = PySequence_ITEM(__pyx_t_5, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PySequence_ITEM(__pyx_t_5, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_5)) {
         if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_5)) break;
         #if CYTHON_COMPILING_IN_CPYTHON
-        __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_3); __Pyx_INCREF(__pyx_t_1); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_3); __Pyx_INCREF(__pyx_t_1); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #else
-        __pyx_t_1 = PySequence_ITEM(__pyx_t_5, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PySequence_ITEM(__pyx_t_5, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         #endif
       } else {
         __pyx_t_1 = __pyx_t_9(__pyx_t_5);
         if (unlikely(!__pyx_t_1)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           break;
         }
@@ -45597,18 +46895,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       __pyx_v_alt = __pyx_t_1;
       __pyx_t_1 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":926
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":965
  *             curr_col = _columns[curr[0]]
  *             for alt in curr_col:
  *                 next_id = curr[0]+alt[2]             # <<<<<<<<<<<<<<
  *                 jump = 1
  *                 if (alt[0] == EPSILON):
  */
-      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_alt, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_alt, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_10 = PyNumber_Add(__pyx_t_1, __pyx_t_2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = PyNumber_Add(__pyx_t_1, __pyx_t_2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_10);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
@@ -45616,7 +46914,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       __pyx_v_next_id = __pyx_t_10;
       __pyx_t_10 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":927
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":966
  *             for alt in curr_col:
  *                 next_id = curr[0]+alt[2]
  *                 jump = 1             # <<<<<<<<<<<<<<
@@ -45627,25 +46925,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       __Pyx_XDECREF(__pyx_v_jump);
       __pyx_v_jump = __pyx_int_1;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":928
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":967
  *                 next_id = curr[0]+alt[2]
  *                 jump = 1
  *                 if (alt[0] == EPSILON):             # <<<<<<<<<<<<<<
  *                     jump = 0
  *                 if next_id not in result and min_dist <= curr[1]+jump <= self.max_initial_size+1:
  */
-      __pyx_t_10 = __Pyx_GetItemInt(__pyx_v_alt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = __Pyx_GetItemInt(__pyx_v_alt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_10);
-      __pyx_t_2 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_1 = PyObject_RichCompare(__pyx_t_10, __pyx_t_2, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_10, __pyx_t_2, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       if (__pyx_t_7) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":929
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":968
  *                 jump = 1
  *                 if (alt[0] == EPSILON):
  *                     jump = 0             # <<<<<<<<<<<<<<
@@ -45659,30 +46957,30 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       }
       __pyx_L9:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":930
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":969
  *                 if (alt[0] == EPSILON):
  *                     jump = 0
  *                 if next_id not in result and min_dist <= curr[1]+jump <= self.max_initial_size+1:             # <<<<<<<<<<<<<<
  *                     candidate.append([next_id,curr[1]+jump])
  *         return sorted(result);
  */
-      __pyx_t_7 = (__Pyx_PySequence_Contains(__pyx_v_next_id, ((PyObject *)__pyx_v_result), Py_NE)); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = (__Pyx_PySequence_Contains(__pyx_v_next_id, ((PyObject *)__pyx_v_result), Py_NE)); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       if (__pyx_t_7) {
-        __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_jump); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_jump); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-        __pyx_t_1 = PyObject_RichCompare(__pyx_v_min_dist, __pyx_t_2, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_RichCompare(__pyx_v_min_dist, __pyx_t_2, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         if (__Pyx_PyObject_IsTrue(__pyx_t_1)) {
           __Pyx_DECREF(__pyx_t_1);
-          __pyx_t_10 = PyInt_FromLong((__pyx_v_self->max_initial_size + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong((__pyx_v_self->max_initial_size + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_10, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_10, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
         }
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-        __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 930; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __pyx_t_6 = __pyx_t_4;
       } else {
@@ -45690,19 +46988,19 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
       }
       if (__pyx_t_6) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":931
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":970
  *                     jump = 0
  *                 if next_id not in result and min_dist <= curr[1]+jump <= self.max_initial_size+1:
  *                     candidate.append([next_id,curr[1]+jump])             # <<<<<<<<<<<<<<
  *         return sorted(result);
  * 
  */
-        __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_curr, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_jump); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_v_jump); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-        __pyx_t_1 = PyList_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyList_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
         __Pyx_INCREF(__pyx_v_next_id);
         PyList_SET_ITEM(__pyx_t_1, 0, __pyx_v_next_id);
@@ -45710,7 +47008,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
         PyList_SET_ITEM(__pyx_t_1, 1, __pyx_t_2);
         __Pyx_GIVEREF(__pyx_t_2);
         __pyx_t_2 = 0;
-        __pyx_t_8 = PyList_Append(__pyx_v_candidate, ((PyObject *)__pyx_t_1)); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyList_Append(__pyx_v_candidate, ((PyObject *)__pyx_t_1)); if (unlikely(__pyx_t_8 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
         goto __pyx_L10;
       }
@@ -45720,7 +47018,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
     __pyx_L3_continue:;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":932
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":971
  *                 if next_id not in result and min_dist <= curr[1]+jump <= self.max_initial_size+1:
  *                     candidate.append([next_id,curr[1]+jump])
  *         return sorted(result);             # <<<<<<<<<<<<<<
@@ -45728,12 +47026,12 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struc
  *     def input(self, fwords, meta):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_INCREF(((PyObject *)__pyx_v_result));
   PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)__pyx_v_result));
   __Pyx_GIVEREF(((PyObject *)__pyx_v_result));
-  __pyx_t_1 = PyObject_Call(__pyx_builtin_sorted, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_sorted, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
   __pyx_r = __pyx_t_1;
@@ -45792,11 +47090,11 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_23input(PyObject *__pyx
         case  1:
         if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__meta)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("input", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("input", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "input") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "input") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
       goto __pyx_L5_argtuple_error;
@@ -45809,7 +47107,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_23input(PyObject *__pyx
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("input", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("input", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -45821,30 +47119,30 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_23input(PyObject *__pyx
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_lambda1 = {__Pyx_NAMESTR("lambda1"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda1, METH_NOARGS, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda1(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda4(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_lambda4 = {__Pyx_NAMESTR("lambda4"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda4, METH_NOARGS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_lambda4(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("lambda1 (wrapper)", 0);
-  __pyx_r = __pyx_lambda_funcdef_lambda1(__pyx_self);
+  __Pyx_RefNannySetupContext("lambda4 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda4(__pyx_self);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2 = {__Pyx_NAMESTR("lambda2"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2, METH_NOARGS, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda4_lambda5(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_7lambda4_lambda5 = {__Pyx_NAMESTR("lambda5"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda4_lambda5, METH_NOARGS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda4_lambda5(PyObject *__pyx_self, CYTHON_UNUSED PyObject *unused) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("lambda2 (wrapper)", 0);
-  __pyx_r = __pyx_lambda_funcdef_lambda2(__pyx_self);
+  __Pyx_RefNannySetupContext("lambda5 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda5(__pyx_self);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1098
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1142
  *                         if len(extracts) > 0:
  *                             fcount = Counter()
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))             # <<<<<<<<<<<<<<
@@ -45852,7 +47150,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2
  *                                 fcount[f] += count
  */
 
-static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self) {
+static PyObject *__pyx_lambda_funcdef_lambda5(CYTHON_UNUSED PyObject *__pyx_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
@@ -45861,16 +47159,16 @@ static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("lambda2", 0);
+  __Pyx_RefNannySetupContext("lambda5", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_INCREF(((PyObject *)((PyObject*)(&PyList_Type))));
   PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)((PyObject*)(&PyList_Type))));
   __Pyx_GIVEREF(((PyObject *)((PyObject*)(&PyList_Type))));
-  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
@@ -45884,7 +47182,7 @@ static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda1.lambda2", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda4.lambda5", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
@@ -45892,7 +47190,7 @@ static PyObject *__pyx_lambda_funcdef_lambda2(CYTHON_UNUSED PyObject *__pyx_self
   return __pyx_r;
 }
 
-static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self) {
+static PyObject *__pyx_lambda_funcdef_lambda4(CYTHON_UNUSED PyObject *__pyx_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
@@ -45901,18 +47199,18 @@ static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("lambda1", 0);
+  __Pyx_RefNannySetupContext("lambda4", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_7lambda1_lambda2, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_7lambda4_lambda5, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
   __Pyx_GIVEREF(__pyx_t_2);
   __pyx_t_2 = 0;
-  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -45926,7 +47224,7 @@ static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda1", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda4", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
@@ -45935,18 +47233,18 @@ static PyObject *__pyx_lambda_funcdef_lambda1(CYTHON_UNUSED PyObject *__pyx_self
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda3(PyObject *__pyx_self, PyObject *__pyx_v_x); /*proto*/
-static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_1lambda3 = {__Pyx_NAMESTR("lambda3"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda3, METH_O, __Pyx_DOCSTR(0)};
-static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda3(PyObject *__pyx_self, PyObject *__pyx_v_x) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda6(PyObject *__pyx_self, PyObject *__pyx_v_x); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_1lambda6 = {__Pyx_NAMESTR("lambda6"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda6, METH_O, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda6(PyObject *__pyx_self, PyObject *__pyx_v_x) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
-  __Pyx_RefNannySetupContext("lambda3 (wrapper)", 0);
-  __pyx_r = __pyx_lambda_funcdef_lambda3(__pyx_self, ((PyObject *)__pyx_v_x));
+  __Pyx_RefNannySetupContext("lambda6 (wrapper)", 0);
+  __pyx_r = __pyx_lambda_funcdef_lambda6(__pyx_self, ((PyObject *)__pyx_v_x));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1104
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1148
  *                             for f, elist in fphrases.iteritems():
  *                                 for e, alslist in elist.iteritems():
  *                                     alignment, max_locs = max(alslist.iteritems(), key=lambda x: len(x[1]))             # <<<<<<<<<<<<<<
@@ -45954,7 +47252,7 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5input_1lambda3(PyObjec
  *                                     count = len(locs)
  */
 
-static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x) {
+static PyObject *__pyx_lambda_funcdef_lambda6(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
@@ -45962,13 +47260,13 @@ static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
-  __Pyx_RefNannySetupContext("lambda3", 0);
+  __Pyx_RefNannySetupContext("lambda6", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_x, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_x, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -45978,15 +47276,160 @@ static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda3", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.lambda6", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_5input_4generator14(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1187
+ *         # Online rule extraction and scoring
+ *         if self.online:
+ *             f_syms = tuple(word[0][0] for word in fwords)             # <<<<<<<<<<<<<<
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ *                 spanlen = (lex_j - lex_i) + 1
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_5input_2genexpr(PyObject *__pyx_self) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("genexpr", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_20_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_20_genexpr, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_19_input *) __pyx_self;
+  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
+  {
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_5input_4generator14, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_cur_scope);
+    __Pyx_RefNannyFinishContext();
+    return (PyObject *) gen;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.input.genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
   __Pyx_XGIVEREF(__pyx_r);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":934
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_5input_4generator14(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+{
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)__pyx_generator->closure);
+  PyObject *__pyx_r = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("None", 0);
+  switch (__pyx_generator->resume_label) {
+    case 0: goto __pyx_L3_first_run;
+    case 1: goto __pyx_L6_resume_from_yield;
+    default: /* CPython raises the right error here */
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __pyx_L3_first_run:;
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_fwords)) { __Pyx_RaiseClosureNameError("fwords"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_fwords) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_fwords)) {
+    __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_fwords; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_fwords); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_word);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_word);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_cur_scope->__pyx_v_word = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_word, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_5 = __Pyx_GetItemInt(__pyx_t_4, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_r = __pyx_t_5;
+    __pyx_t_5 = 0;
+    __Pyx_XGIVEREF(__pyx_t_1);
+    __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+    __pyx_cur_scope->__pyx_t_1 = __pyx_t_2;
+    __pyx_cur_scope->__pyx_t_2 = __pyx_t_3;
+    __Pyx_XGIVEREF(__pyx_r);
+    __Pyx_RefNannyFinishContext();
+    /* return from generator, yielding value */
+    __pyx_generator->resume_label = 1;
+    return __pyx_r;
+    __pyx_L6_resume_from_yield:;
+    __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+    __pyx_cur_scope->__pyx_t_0 = 0;
+    __Pyx_XGOTREF(__pyx_t_1);
+    __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
+    __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  PyErr_SetNone(PyExc_StopIteration);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":973
  *         return sorted(result);
  * 
  *     def input(self, fwords, meta):             # <<<<<<<<<<<<<<
@@ -45995,14 +47438,14 @@ static PyObject *__pyx_lambda_funcdef_lambda3(CYTHON_UNUSED PyObject *__pyx_self
  */
 
 static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_meta) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("input", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)__pyx_ptype_3_sa___pyx_scope_struct_15_input->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_15_input, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)__pyx_ptype_3_sa___pyx_scope_struct_19_input->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_19_input, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -46018,7 +47461,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_ob
   __Pyx_INCREF(__pyx_cur_scope->__pyx_v_meta);
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_meta);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -46038,10 +47481,10 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_ob
 
 static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
-  Py_ssize_t __pyx_t_1;
-  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
   PyObject *__pyx_t_3 = NULL;
   float __pyx_t_4;
   int __pyx_t_5;
@@ -46068,45 +47511,50 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
   Py_ssize_t __pyx_t_26;
   int __pyx_t_27;
   int __pyx_t_28;
+  PyObject *(*__pyx_t_29)(PyObject *);
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("None", 0);
   switch (__pyx_generator->resume_label) {
     case 0: goto __pyx_L3_first_run;
-    case 1: goto __pyx_L60_resume_from_yield;
+    case 1: goto __pyx_L61_resume_from_yield;
+    case 2: goto __pyx_L82_resume_from_yield;
     default: /* CPython raises the right error here */
     __Pyx_RefNannyFinishContext();
     return NULL;
   }
   __pyx_L3_first_run:;
-  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":945
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":984
  *         cdef Phrase hiero_phrase
  * 
  *         flen = len(fwords)             # <<<<<<<<<<<<<<
  *         start_time = monitor_cpu()
  *         self.extract_time = 0.0
  */
-  __pyx_t_1 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_cur_scope->__pyx_v_flen = __pyx_t_1;
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_fwords;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_cur_scope->__pyx_v_flen = __pyx_t_2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":946
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":985
  * 
  *         flen = len(fwords)
  *         start_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *         self.extract_time = 0.0
  *         self.intersect_time = 0.0
  */
-  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_3 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_3); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 946; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_3); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __pyx_cur_scope->__pyx_v_start_time = __pyx_t_4;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":947
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":986
  *         flen = len(fwords)
  *         start_time = monitor_cpu()
  *         self.extract_time = 0.0             # <<<<<<<<<<<<<<
@@ -46115,7 +47563,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
   __pyx_cur_scope->__pyx_v_self->extract_time = 0.0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":948
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":987
  *         start_time = monitor_cpu()
  *         self.extract_time = 0.0
  *         self.intersect_time = 0.0             # <<<<<<<<<<<<<<
@@ -46124,20 +47572,20 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
   __pyx_cur_scope->__pyx_v_self->intersect_time = 0.0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":949
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":988
  *         self.extract_time = 0.0
  *         self.intersect_time = 0.0
  *         nodes_isteps_away_buffer = {}             # <<<<<<<<<<<<<<
  *         hit = 0
  *         reachable_buffer = {}
  */
-  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 949; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_3));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
   __pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer = __pyx_t_3;
   __pyx_t_3 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":950
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":989
  *         self.intersect_time = 0.0
  *         nodes_isteps_away_buffer = {}
  *         hit = 0             # <<<<<<<<<<<<<<
@@ -46146,126 +47594,142 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
   __pyx_cur_scope->__pyx_v_hit = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":951
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":990
  *         nodes_isteps_away_buffer = {}
  *         hit = 0
  *         reachable_buffer = {}             # <<<<<<<<<<<<<<
  * 
- *         # Do not cache between sentences
+ *         # Phrase pairs processed by suffix array extractor.  Do not re-extract
  */
-  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 951; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_3));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
   __pyx_cur_scope->__pyx_v_reachable_buffer = __pyx_t_3;
   __pyx_t_3 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":954
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":995
+ *         # during online extraction.  This is probably the hackiest part of
+ *         # online grammar extraction.
+ *         seen_phrases = set()             # <<<<<<<<<<<<<<
+ * 
+ *         # Do not cache between sentences
+ */
+  __pyx_t_3 = PySet_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
+  __pyx_cur_scope->__pyx_v_seen_phrases = __pyx_t_3;
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":998
  * 
  *         # Do not cache between sentences
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())             # <<<<<<<<<<<<<<
  * 
  *         frontier = []
  */
-  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_3));
-  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
-  if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __Pyx_GIVEREF(__pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_1);
   __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_self->rules->root);
   __Pyx_DECREF(__pyx_cur_scope->__pyx_v_self->rules->root);
-  __pyx_cur_scope->__pyx_v_self->rules->root = __pyx_t_2;
-  __pyx_t_2 = 0;
+  __pyx_cur_scope->__pyx_v_self->rules->root = __pyx_t_1;
+  __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":956
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1000
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  * 
  *         frontier = []             # <<<<<<<<<<<<<<
  *         for i in range(len(fwords)):
  *             for alt in range(0, len(fwords[i])):
  */
-  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 956; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_2);
-  __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
-  __pyx_cur_scope->__pyx_v_frontier = __pyx_t_2;
-  __pyx_t_2 = 0;
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1000; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_frontier = __pyx_t_1;
+  __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":957
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1001
  * 
  *         frontier = []
  *         for i in range(len(fwords)):             # <<<<<<<<<<<<<<
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:
  */
-  __pyx_t_1 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_1; __pyx_t_5+=1) {
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_fwords;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_2; __pyx_t_5+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_5;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":958
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1002
  *         frontier = []
  *         for i in range(len(fwords)):
  *             for alt in range(0, len(fwords[i])):             # <<<<<<<<<<<<<<
  *                 if fwords[i][alt][0] != EPSILON:
  *                     frontier.append((i, i, (i,), alt, 0, self.rules.root, (), False))
  */
-    __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 958; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_Length(__pyx_t_2); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 958; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_6 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_6; __pyx_t_7+=1) {
       __pyx_cur_scope->__pyx_v_alt = __pyx_t_7;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":959
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1003
  *         for i in range(len(fwords)):
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:             # <<<<<<<<<<<<<<
  *                     frontier.append((i, i, (i,), alt, 0, self.rules.root, (), False))
  * 
  */
-      __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_2, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_3, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_3, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_8 = PyObject_RichCompare(__pyx_t_2, __pyx_t_3, Py_NE); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_8 = PyObject_RichCompare(__pyx_t_1, __pyx_t_3, Py_NE); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":960
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1004
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:
  *                     frontier.append((i, i, (i,), alt, 0, self.rules.root, (), False))             # <<<<<<<<<<<<<<
  * 
  *         xroot = None
  */
-        __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
-        __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_2);
-        __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
-        PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_2);
-        __Pyx_GIVEREF(__pyx_t_2);
-        __pyx_t_2 = 0;
-        __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_2);
-        __pyx_t_11 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_1);
+        __Pyx_GIVEREF(__pyx_t_1);
+        __pyx_t_1 = 0;
+        __pyx_t_1 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_11 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_12 = PyTuple_New(8); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyTuple_New(8); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
         PyTuple_SET_ITEM(__pyx_t_12, 0, __pyx_t_8);
         __Pyx_GIVEREF(__pyx_t_8);
@@ -46273,8 +47737,8 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_GIVEREF(__pyx_t_3);
         PyTuple_SET_ITEM(__pyx_t_12, 2, ((PyObject *)__pyx_t_10));
         __Pyx_GIVEREF(((PyObject *)__pyx_t_10));
-        PyTuple_SET_ITEM(__pyx_t_12, 3, __pyx_t_2);
-        __Pyx_GIVEREF(__pyx_t_2);
+        PyTuple_SET_ITEM(__pyx_t_12, 3, __pyx_t_1);
+        __Pyx_GIVEREF(__pyx_t_1);
         __Pyx_INCREF(__pyx_int_0);
         PyTuple_SET_ITEM(__pyx_t_12, 4, __pyx_int_0);
         __Pyx_GIVEREF(__pyx_int_0);
@@ -46289,9 +47753,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __pyx_t_8 = 0;
         __pyx_t_3 = 0;
         __pyx_t_10 = 0;
-        __pyx_t_2 = 0;
+        __pyx_t_1 = 0;
         __pyx_t_11 = 0;
-        __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_12)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 960; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_12)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
         goto __pyx_L8;
       }
@@ -46299,7 +47763,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     }
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":962
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1006
  *                     frontier.append((i, i, (i,), alt, 0, self.rules.root, (), False))
  * 
  *         xroot = None             # <<<<<<<<<<<<<<
@@ -46310,7 +47774,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
   __Pyx_GIVEREF(Py_None);
   __pyx_cur_scope->__pyx_v_xroot = Py_None;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":963
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1007
  * 
  *         xroot = None
  *         x1 = sym_setindex(self.category, 1)             # <<<<<<<<<<<<<<
@@ -46319,32 +47783,32 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
   __pyx_cur_scope->__pyx_v_x1 = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, 1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":964
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1008
  *         xroot = None
  *         x1 = sym_setindex(self.category, 1)
  *         if x1 in self.rules.root.children:             # <<<<<<<<<<<<<<
  *             xroot = self.rules.root.children[x1]
  *         else:
  */
-  __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_x1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_x1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
-  __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_11);
-  __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_t_12, __pyx_t_11, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 964; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_t_12, __pyx_t_11, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
   __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
   if (__pyx_t_9) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":965
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1009
  *         x1 = sym_setindex(self.category, 1)
  *         if x1 in self.rules.root.children:
  *             xroot = self.rules.root.children[x1]             # <<<<<<<<<<<<<<
  *         else:
  *             xroot = ExtendedTrieNode(suffix_link=self.rules.root, phrase_location=PhraseLocation())
  */
-    __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1009; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_11);
-    __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_x1, sizeof(int), PyInt_FromLong); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_x1, sizeof(int), PyInt_FromLong); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1009; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_12);
     __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
     __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_xroot);
@@ -46356,21 +47820,21 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
   }
   /*else*/ {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":967
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1011
  *             xroot = self.rules.root.children[x1]
  *         else:
  *             xroot = ExtendedTrieNode(suffix_link=self.rules.root, phrase_location=PhraseLocation())             # <<<<<<<<<<<<<<
  *             self.rules.root.children[x1] = xroot
  * 
  */
-    __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-    if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_self->rules->root) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_self->rules->root) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_11);
-    if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_11) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_11) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
-    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_11);
     __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
     __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_xroot);
@@ -46379,104 +47843,107 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     __pyx_cur_scope->__pyx_v_xroot = __pyx_t_11;
     __pyx_t_11 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":968
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1012
  *         else:
  *             xroot = ExtendedTrieNode(suffix_link=self.rules.root, phrase_location=PhraseLocation())
  *             self.rules.root.children[x1] = xroot             # <<<<<<<<<<<<<<
  * 
  *         for i in range(self.min_gap_size, len(fwords)):
  */
-    __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->rules->root, __pyx_n_s__children); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_11);
-    if (__Pyx_SetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_x1, __pyx_cur_scope->__pyx_v_xroot, sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__Pyx_SetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_x1, __pyx_cur_scope->__pyx_v_xroot, sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
   }
   __pyx_L9:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":970
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1014
  *             self.rules.root.children[x1] = xroot
  * 
  *         for i in range(self.min_gap_size, len(fwords)):             # <<<<<<<<<<<<<<
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:
  */
-  __pyx_t_1 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  for (__pyx_t_5 = __pyx_cur_scope->__pyx_v_self->min_gap_size; __pyx_t_5 < __pyx_t_1; __pyx_t_5+=1) {
+  __pyx_t_11 = __pyx_cur_scope->__pyx_v_fwords;
+  __Pyx_INCREF(__pyx_t_11);
+  __pyx_t_2 = PyObject_Length(__pyx_t_11); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+  for (__pyx_t_5 = __pyx_cur_scope->__pyx_v_self->min_gap_size; __pyx_t_5 < __pyx_t_2; __pyx_t_5+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_5;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":971
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1015
  * 
  *         for i in range(self.min_gap_size, len(fwords)):
  *             for alt in range(0, len(fwords[i])):             # <<<<<<<<<<<<<<
  *                 if fwords[i][alt][0] != EPSILON:
  *                     frontier.append((i-self.min_gap_size, i, (i,), alt, self.min_gap_size, xroot, (x1,), True))
  */
-    __pyx_t_11 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1015; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_11);
-    __pyx_t_6 = PyObject_Length(__pyx_t_11); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_Length(__pyx_t_11); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1015; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
     for (__pyx_t_7 = 0; __pyx_t_7 < __pyx_t_6; __pyx_t_7+=1) {
       __pyx_cur_scope->__pyx_v_alt = __pyx_t_7;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":972
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1016
  *         for i in range(self.min_gap_size, len(fwords)):
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:             # <<<<<<<<<<<<<<
  *                     frontier.append((i-self.min_gap_size, i, (i,), alt, self.min_gap_size, xroot, (x1,), True))
  * 
  */
-      __pyx_t_11 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_11 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_11);
-      __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = __Pyx_GetItemInt(__pyx_t_11, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
       __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
-      __pyx_t_11 = __Pyx_GetItemInt(__pyx_t_12, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_11 = __Pyx_GetItemInt(__pyx_t_12, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_11);
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-      __pyx_t_12 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
-      __pyx_t_2 = PyObject_RichCompare(__pyx_t_11, __pyx_t_12, Py_NE); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_11, __pyx_t_12, Py_NE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":973
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1017
  *             for alt in range(0, len(fwords[i])):
  *                 if fwords[i][alt][0] != EPSILON:
  *                     frontier.append((i-self.min_gap_size, i, (i,), alt, self.min_gap_size, xroot, (x1,), True))             # <<<<<<<<<<<<<<
  * 
  *         next_states = []
  */
-        __pyx_t_2 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_i - __pyx_cur_scope->__pyx_v_self->min_gap_size)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_2);
-        __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_i - __pyx_cur_scope->__pyx_v_self->min_gap_size)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
-        __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_11);
         __Pyx_GIVEREF(__pyx_t_11);
         __pyx_t_11 = 0;
-        __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_x1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_x1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
-        __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_14);
         PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_8);
         __Pyx_GIVEREF(__pyx_t_8);
         __pyx_t_8 = 0;
-        __pyx_t_8 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
-        __pyx_t_15 = PyTuple_New(8); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PyTuple_New(8); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_15);
-        PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_2);
-        __Pyx_GIVEREF(__pyx_t_2);
+        PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_1);
+        __Pyx_GIVEREF(__pyx_t_1);
         PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_12);
         __Pyx_GIVEREF(__pyx_t_12);
         PyTuple_SET_ITEM(__pyx_t_15, 2, ((PyObject *)__pyx_t_10));
@@ -46492,14 +47959,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_GIVEREF(((PyObject *)__pyx_t_14));
         PyTuple_SET_ITEM(__pyx_t_15, 7, __pyx_t_8);
         __Pyx_GIVEREF(__pyx_t_8);
-        __pyx_t_2 = 0;
+        __pyx_t_1 = 0;
         __pyx_t_12 = 0;
         __pyx_t_10 = 0;
         __pyx_t_11 = 0;
         __pyx_t_3 = 0;
         __pyx_t_14 = 0;
         __pyx_t_8 = 0;
-        __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_15)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_15)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
         goto __pyx_L14;
       }
@@ -46507,44 +47974,47 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     }
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":975
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1019
  *                     frontier.append((i-self.min_gap_size, i, (i,), alt, self.min_gap_size, xroot, (x1,), True))
  * 
  *         next_states = []             # <<<<<<<<<<<<<<
  *         for i in range(len(fwords)):
  *             next_states.append(self.get_next_states(fwords,i,self.min_gap_size))
  */
-  __pyx_t_15 = PyList_New(0); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 975; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_15 = PyList_New(0); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1019; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_15);
   __Pyx_GIVEREF(((PyObject *)__pyx_t_15));
   __pyx_cur_scope->__pyx_v_next_states = __pyx_t_15;
   __pyx_t_15 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":976
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1020
  * 
  *         next_states = []
  *         for i in range(len(fwords)):             # <<<<<<<<<<<<<<
  *             next_states.append(self.get_next_states(fwords,i,self.min_gap_size))
  * 
  */
-  __pyx_t_1 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_1; __pyx_t_5+=1) {
+  __pyx_t_15 = __pyx_cur_scope->__pyx_v_fwords;
+  __Pyx_INCREF(__pyx_t_15);
+  __pyx_t_2 = PyObject_Length(__pyx_t_15); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+  for (__pyx_t_5 = 0; __pyx_t_5 < __pyx_t_2; __pyx_t_5+=1) {
     __pyx_cur_scope->__pyx_v_i = __pyx_t_5;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":977
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1021
  *         next_states = []
  *         for i in range(len(fwords)):
  *             next_states.append(self.get_next_states(fwords,i,self.min_gap_size))             # <<<<<<<<<<<<<<
  * 
  *         while len(frontier) > 0:
  */
-    __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__get_next_states); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__get_next_states); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_15);
-    __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
-    __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_14);
-    __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fwords);
     PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_fwords);
@@ -46555,15 +48025,15 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     __Pyx_GIVEREF(__pyx_t_14);
     __pyx_t_8 = 0;
     __pyx_t_14 = 0;
-    __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_14);
     __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
     __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-    __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_next_states, __pyx_t_14); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_next_states, __pyx_t_14); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":979
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1023
  *             next_states.append(self.get_next_states(fwords,i,self.min_gap_size))
  * 
  *         while len(frontier) > 0:             # <<<<<<<<<<<<<<
@@ -46571,18 +48041,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  *             for k, i, input_match, alt, pathlen, node, prefix, is_shadow_path in frontier:
  */
   while (1) {
-    __pyx_t_1 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_frontier)); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_9 = (__pyx_t_1 > 0);
+    __pyx_t_2 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_frontier)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = (__pyx_t_2 > 0);
     if (!__pyx_t_9) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":980
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1024
  * 
  *         while len(frontier) > 0:
  *             new_frontier = []             # <<<<<<<<<<<<<<
  *             for k, i, input_match, alt, pathlen, node, prefix, is_shadow_path in frontier:
  *                 word_id = fwords[i][alt][0]
  */
-    __pyx_t_14 = PyList_New(0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 980; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_14 = PyList_New(0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_14);
     __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_new_frontier));
     __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_new_frontier));
@@ -46590,20 +48060,20 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     __pyx_cur_scope->__pyx_v_new_frontier = __pyx_t_14;
     __pyx_t_14 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":981
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1025
  *         while len(frontier) > 0:
  *             new_frontier = []
  *             for k, i, input_match, alt, pathlen, node, prefix, is_shadow_path in frontier:             # <<<<<<<<<<<<<<
  *                 word_id = fwords[i][alt][0]
  *                 spanlen = fwords[i][alt][2]
  */
-    __pyx_t_14 = ((PyObject *)__pyx_cur_scope->__pyx_v_frontier); __Pyx_INCREF(__pyx_t_14); __pyx_t_1 = 0;
+    __pyx_t_14 = ((PyObject *)__pyx_cur_scope->__pyx_v_frontier); __Pyx_INCREF(__pyx_t_14); __pyx_t_2 = 0;
     for (;;) {
-      if (__pyx_t_1 >= PyList_GET_SIZE(__pyx_t_14)) break;
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_14)) break;
       #if CYTHON_COMPILING_IN_CPYTHON
-      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_1); __Pyx_INCREF(__pyx_t_3); __pyx_t_1++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #else
-      __pyx_t_3 = PySequence_ITEM(__pyx_t_14, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       #endif
       if ((likely(PyTuple_CheckExact(__pyx_t_3))) || (PyList_CheckExact(__pyx_t_3))) {
         PyObject* sequence = __pyx_t_3;
@@ -46615,7 +48085,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         if (unlikely(size != 8)) {
           if (size > 8) __Pyx_RaiseTooManyValuesError(8);
           else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-          {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         #if CYTHON_COMPILING_IN_CPYTHON
         if (likely(PyTuple_CheckExact(sequence))) {
@@ -46624,7 +48094,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_t_11 = PyTuple_GET_ITEM(sequence, 2); 
           __pyx_t_10 = PyTuple_GET_ITEM(sequence, 3); 
           __pyx_t_12 = PyTuple_GET_ITEM(sequence, 4); 
-          __pyx_t_2 = PyTuple_GET_ITEM(sequence, 5); 
+          __pyx_t_1 = PyTuple_GET_ITEM(sequence, 5); 
           __pyx_t_16 = PyTuple_GET_ITEM(sequence, 6); 
           __pyx_t_17 = PyTuple_GET_ITEM(sequence, 7); 
         } else {
@@ -46633,7 +48103,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_t_11 = PyList_GET_ITEM(sequence, 2); 
           __pyx_t_10 = PyList_GET_ITEM(sequence, 3); 
           __pyx_t_12 = PyList_GET_ITEM(sequence, 4); 
-          __pyx_t_2 = PyList_GET_ITEM(sequence, 5); 
+          __pyx_t_1 = PyList_GET_ITEM(sequence, 5); 
           __pyx_t_16 = PyList_GET_ITEM(sequence, 6); 
           __pyx_t_17 = PyList_GET_ITEM(sequence, 7); 
         }
@@ -46642,14 +48112,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_INCREF(__pyx_t_11);
         __Pyx_INCREF(__pyx_t_10);
         __Pyx_INCREF(__pyx_t_12);
-        __Pyx_INCREF(__pyx_t_2);
+        __Pyx_INCREF(__pyx_t_1);
         __Pyx_INCREF(__pyx_t_16);
         __Pyx_INCREF(__pyx_t_17);
         #else
         Py_ssize_t i;
-        PyObject** temps[8] = {&__pyx_t_15,&__pyx_t_8,&__pyx_t_11,&__pyx_t_10,&__pyx_t_12,&__pyx_t_2,&__pyx_t_16,&__pyx_t_17};
+        PyObject** temps[8] = {&__pyx_t_15,&__pyx_t_8,&__pyx_t_11,&__pyx_t_10,&__pyx_t_12,&__pyx_t_1,&__pyx_t_16,&__pyx_t_17};
         for (i=0; i < 8; i++) {
-          PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           *(temps[i]) = item;
         }
         #endif
@@ -46657,8 +48127,8 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       } else
       {
         Py_ssize_t index = -1;
-        PyObject** temps[8] = {&__pyx_t_15,&__pyx_t_8,&__pyx_t_11,&__pyx_t_10,&__pyx_t_12,&__pyx_t_2,&__pyx_t_16,&__pyx_t_17};
-        __pyx_t_18 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_18)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        PyObject** temps[8] = {&__pyx_t_15,&__pyx_t_8,&__pyx_t_11,&__pyx_t_10,&__pyx_t_12,&__pyx_t_1,&__pyx_t_16,&__pyx_t_17};
+        __pyx_t_18 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_18)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_18);
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
         __pyx_t_19 = Py_TYPE(__pyx_t_18)->tp_iternext;
@@ -46667,7 +48137,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __Pyx_GOTREF(item);
           *(temps[index]) = item;
         }
-        if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_18), 8) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_18), 8) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_t_19 = NULL;
         __Pyx_DECREF(__pyx_t_18); __pyx_t_18 = 0;
         goto __pyx_L22_unpacking_done;
@@ -46675,14 +48145,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_DECREF(__pyx_t_18); __pyx_t_18 = 0;
         __pyx_t_19 = NULL;
         if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_L22_unpacking_done:;
       }
-      __pyx_t_5 = __Pyx_PyInt_AsInt(__pyx_t_15); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = __Pyx_PyInt_AsInt(__pyx_t_15); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-      __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_8); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_8); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-      __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_10); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_10); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
       __pyx_cur_scope->__pyx_v_k = __pyx_t_5;
       __pyx_cur_scope->__pyx_v_i = __pyx_t_7;
@@ -46699,9 +48169,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       __pyx_t_12 = 0;
       __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_node);
       __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_node);
-      __Pyx_GIVEREF(__pyx_t_2);
-      __pyx_cur_scope->__pyx_v_node = __pyx_t_2;
-      __pyx_t_2 = 0;
+      __Pyx_GIVEREF(__pyx_t_1);
+      __pyx_cur_scope->__pyx_v_node = __pyx_t_1;
+      __pyx_t_1 = 0;
       __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_prefix);
       __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_prefix);
       __Pyx_GIVEREF(__pyx_t_16);
@@ -46713,19 +48183,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       __pyx_cur_scope->__pyx_v_is_shadow_path = __pyx_t_17;
       __pyx_t_17 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":982
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1026
  *             new_frontier = []
  *             for k, i, input_match, alt, pathlen, node, prefix, is_shadow_path in frontier:
  *                 word_id = fwords[i][alt][0]             # <<<<<<<<<<<<<<
  *                 spanlen = fwords[i][alt][2]
  *                 # TODO get rid of k -- pathlen is replacing it
  */
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1026; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_17 = __Pyx_GetItemInt(__pyx_t_3, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = __Pyx_GetItemInt(__pyx_t_3, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1026; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_17, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_17, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1026; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
       __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_word_id);
@@ -46734,19 +48204,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       __pyx_cur_scope->__pyx_v_word_id = __pyx_t_3;
       __pyx_t_3 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":983
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1027
  *             for k, i, input_match, alt, pathlen, node, prefix, is_shadow_path in frontier:
  *                 word_id = fwords[i][alt][0]
  *                 spanlen = fwords[i][alt][2]             # <<<<<<<<<<<<<<
  *                 # TODO get rid of k -- pathlen is replacing it
  *                 if word_id == EPSILON:
  */
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_fwords, __pyx_cur_scope->__pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_17 = __Pyx_GetItemInt(__pyx_t_3, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = __Pyx_GetItemInt(__pyx_t_3, __pyx_cur_scope->__pyx_v_alt, sizeof(int), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_17, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_17, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
       __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_spanlen);
@@ -46755,44 +48225,47 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       __pyx_cur_scope->__pyx_v_spanlen = __pyx_t_3;
       __pyx_t_3 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":985
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1029
  *                 spanlen = fwords[i][alt][2]
  *                 # TODO get rid of k -- pathlen is replacing it
  *                 if word_id == EPSILON:             # <<<<<<<<<<<<<<
  *                     # skipping because word_id is epsilon
  *                     if i+spanlen >= len(fwords):
  */
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1029; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_17 = PyObject_RichCompare(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_17); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = PyObject_RichCompare(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_17); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1029; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_17); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_17); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1029; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":987
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1031
  *                 if word_id == EPSILON:
  *                     # skipping because word_id is epsilon
  *                     if i+spanlen >= len(fwords):             # <<<<<<<<<<<<<<
  *                         continue
  *                     for nualt in range(0,len(fwords[i+spanlen])):
  */
-        __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_17);
-        __pyx_t_3 = PyNumber_Add(__pyx_t_17, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyNumber_Add(__pyx_t_17, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-        __pyx_t_6 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __pyx_t_17 = PyInt_FromSsize_t(__pyx_t_6); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = __pyx_cur_scope->__pyx_v_fwords;
+        __Pyx_INCREF(__pyx_t_17);
+        __pyx_t_6 = PyObject_Length(__pyx_t_17); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
+        __pyx_t_17 = PyInt_FromSsize_t(__pyx_t_6); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_17);
-        __pyx_t_16 = PyObject_RichCompare(__pyx_t_3, __pyx_t_17, Py_GE); __Pyx_XGOTREF(__pyx_t_16); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_16 = PyObject_RichCompare(__pyx_t_3, __pyx_t_17, Py_GE); __Pyx_XGOTREF(__pyx_t_16); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
         __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_16); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_16); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1031; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":988
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1032
  *                     # skipping because word_id is epsilon
  *                     if i+spanlen >= len(fwords):
  *                         continue             # <<<<<<<<<<<<<<
@@ -46804,73 +48277,73 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         __pyx_L24:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":989
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1033
  *                     if i+spanlen >= len(fwords):
  *                         continue
  *                     for nualt in range(0,len(fwords[i+spanlen])):             # <<<<<<<<<<<<<<
  *                         frontier.append((k, i+spanlen, input_match, nualt, pathlen, node, prefix, is_shadow_path))
  *                     continue
  */
-        __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_16);
-        __pyx_t_17 = PyNumber_Add(__pyx_t_16, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PyNumber_Add(__pyx_t_16, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_17);
         __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-        __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fwords, __pyx_t_17); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fwords, __pyx_t_17); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_16);
         __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-        __pyx_t_6 = PyObject_Length(__pyx_t_16); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyObject_Length(__pyx_t_16); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
         for (__pyx_t_20 = 0; __pyx_t_20 < __pyx_t_6; __pyx_t_20+=1) {
           __pyx_cur_scope->__pyx_v_nualt = __pyx_t_20;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":990
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1034
  *                         continue
  *                     for nualt in range(0,len(fwords[i+spanlen])):
  *                         frontier.append((k, i+spanlen, input_match, nualt, pathlen, node, prefix, is_shadow_path))             # <<<<<<<<<<<<<<
  *                     continue
  * 
  */
-          __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_16);
-          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_3 = PyNumber_Add(__pyx_t_17, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyNumber_Add(__pyx_t_17, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_nualt); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_nualt); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_2 = PyTuple_New(8); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_16);
+          __pyx_t_1 = PyTuple_New(8); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_1);
+          PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_16);
           __Pyx_GIVEREF(__pyx_t_16);
-          PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_3);
+          PyTuple_SET_ITEM(__pyx_t_1, 1, __pyx_t_3);
           __Pyx_GIVEREF(__pyx_t_3);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_input_match);
-          PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_cur_scope->__pyx_v_input_match);
+          PyTuple_SET_ITEM(__pyx_t_1, 2, __pyx_cur_scope->__pyx_v_input_match);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_input_match);
-          PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_t_17);
+          PyTuple_SET_ITEM(__pyx_t_1, 3, __pyx_t_17);
           __Pyx_GIVEREF(__pyx_t_17);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_pathlen);
-          PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_cur_scope->__pyx_v_pathlen);
+          PyTuple_SET_ITEM(__pyx_t_1, 4, __pyx_cur_scope->__pyx_v_pathlen);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_pathlen);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_node);
-          PyTuple_SET_ITEM(__pyx_t_2, 5, __pyx_cur_scope->__pyx_v_node);
+          PyTuple_SET_ITEM(__pyx_t_1, 5, __pyx_cur_scope->__pyx_v_node);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_node);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_prefix);
-          PyTuple_SET_ITEM(__pyx_t_2, 6, __pyx_cur_scope->__pyx_v_prefix);
+          PyTuple_SET_ITEM(__pyx_t_1, 6, __pyx_cur_scope->__pyx_v_prefix);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_prefix);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_is_shadow_path);
-          PyTuple_SET_ITEM(__pyx_t_2, 7, __pyx_cur_scope->__pyx_v_is_shadow_path);
+          PyTuple_SET_ITEM(__pyx_t_1, 7, __pyx_cur_scope->__pyx_v_is_shadow_path);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_is_shadow_path);
           __pyx_t_16 = 0;
           __pyx_t_3 = 0;
           __pyx_t_17 = 0;
-          __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_2)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+          __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_frontier, ((PyObject *)__pyx_t_1)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
         }
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":991
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1035
  *                     for nualt in range(0,len(fwords[i+spanlen])):
  *                         frontier.append((k, i+spanlen, input_match, nualt, pathlen, node, prefix, is_shadow_path))
  *                     continue             # <<<<<<<<<<<<<<
@@ -46882,65 +48355,65 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       }
       __pyx_L23:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":993
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1037
  *                     continue
  * 
  *                 phrase = prefix + (word_id,)             # <<<<<<<<<<<<<<
  *                 hiero_phrase = Phrase(phrase)
  *                 arity = hiero_phrase.arity()
  */
-      __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 993; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
       __Pyx_INCREF(__pyx_cur_scope->__pyx_v_word_id);
-      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_word_id);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_cur_scope->__pyx_v_word_id);
       __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_word_id);
-      __pyx_t_17 = PyNumber_Add(__pyx_cur_scope->__pyx_v_prefix, ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 993; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = PyNumber_Add(__pyx_cur_scope->__pyx_v_prefix, ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
-      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
       __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_phrase);
       __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_phrase);
       __Pyx_GIVEREF(__pyx_t_17);
       __pyx_cur_scope->__pyx_v_phrase = __pyx_t_17;
       __pyx_t_17 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":994
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1038
  * 
  *                 phrase = prefix + (word_id,)
  *                 hiero_phrase = Phrase(phrase)             # <<<<<<<<<<<<<<
  *                 arity = hiero_phrase.arity()
  * 
  */
-      __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
       __Pyx_INCREF(__pyx_cur_scope->__pyx_v_phrase);
       PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_cur_scope->__pyx_v_phrase);
       __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_phrase);
-      __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
       __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase));
       __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase));
-      __Pyx_GIVEREF(__pyx_t_2);
-      __pyx_cur_scope->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_2);
-      __pyx_t_2 = 0;
+      __Pyx_GIVEREF(__pyx_t_1);
+      __pyx_cur_scope->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
+      __pyx_t_1 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":995
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1039
  *                 phrase = prefix + (word_id,)
  *                 hiero_phrase = Phrase(phrase)
  *                 arity = hiero_phrase.arity()             # <<<<<<<<<<<<<<
  * 
  *                 lookup_required = False
  */
-      __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase), __pyx_n_s__arity); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_17 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase), __pyx_n_s__arity); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_17 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
-      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
       __pyx_cur_scope->__pyx_v_arity = __pyx_t_20;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":997
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1041
  *                 arity = hiero_phrase.arity()
  * 
  *                 lookup_required = False             # <<<<<<<<<<<<<<
@@ -46949,36 +48422,36 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
       __pyx_cur_scope->__pyx_v_lookup_required = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":998
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1042
  * 
  *                 lookup_required = False
  *                 if word_id in node.children:             # <<<<<<<<<<<<<<
  *                     if node.children[word_id] is None:
  *                         # Path dead-ends at this node
  */
-      __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_17);
-      __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_17, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_17, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":999
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1043
  *                 lookup_required = False
  *                 if word_id in node.children:
  *                     if node.children[word_id] is None:             # <<<<<<<<<<<<<<
  *                         # Path dead-ends at this node
  *                         continue
  */
-        __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1043; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_17);
-        __pyx_t_2 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_1 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1043; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
         __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-        __pyx_t_9 = (__pyx_t_2 == Py_None);
-        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_9 = (__pyx_t_1 == Py_None);
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1001
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1045
  *                     if node.children[word_id] is None:
  *                         # Path dead-ends at this node
  *                         continue             # <<<<<<<<<<<<<<
@@ -46990,18 +48463,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1004
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1048
  *                     else:
  *                         # Path continues at this node
  *                         node = node.children[word_id]             # <<<<<<<<<<<<<<
  *                 else:
  *                     if node.suffix_link is None:
  */
-          __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_17 = PyObject_GetItem(__pyx_t_2, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_1 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_1);
+          __pyx_t_17 = PyObject_GetItem(__pyx_t_1, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
           __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_node);
           __Pyx_DECREF(__pyx_cur_scope->__pyx_v_node);
           __Pyx_GIVEREF(__pyx_t_17);
@@ -47013,20 +48486,20 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1006
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1050
  *                         node = node.children[word_id]
  *                 else:
  *                     if node.suffix_link is None:             # <<<<<<<<<<<<<<
  *                         # Current node is root; lookup required
  *                         lookup_required = True
  */
-        __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_17);
         __pyx_t_9 = (__pyx_t_17 == Py_None);
         __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1008
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1052
  *                     if node.suffix_link is None:
  *                         # Current node is root; lookup required
  *                         lookup_required = True             # <<<<<<<<<<<<<<
@@ -47038,54 +48511,54 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1010
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1054
  *                         lookup_required = True
  *                     else:
  *                         if word_id in node.suffix_link.children:             # <<<<<<<<<<<<<<
  *                             if node.suffix_link.children[word_id] is None:
  *                                 # Suffix link reports path is dead end
  */
-          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_2 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__children); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
+          __pyx_t_1 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__children); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_1);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_2, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+          __pyx_t_9 = (__Pyx_PySequence_Contains(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_1, Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1011
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1055
  *                     else:
  *                         if word_id in node.suffix_link.children:
  *                             if node.suffix_link.children[word_id] is None:             # <<<<<<<<<<<<<<
  *                                 # Suffix link reports path is dead end
  *                                 node.children[word_id] = None
  */
-            __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_17 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
+            __pyx_t_17 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-            __pyx_t_2 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+            __pyx_t_1 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-            __pyx_t_9 = (__pyx_t_2 == Py_None);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+            __pyx_t_9 = (__pyx_t_1 == Py_None);
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1013
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1057
  *                             if node.suffix_link.children[word_id] is None:
  *                                 # Suffix link reports path is dead end
  *                                 node.children[word_id] = None             # <<<<<<<<<<<<<<
  *                                 continue
  *                             else:
  */
-              __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_2);
-              if (PyObject_SetItem(__pyx_t_2, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+              __pyx_t_1 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              if (PyObject_SetItem(__pyx_t_1, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1014
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1058
  *                                 # Suffix link reports path is dead end
  *                                 node.children[word_id] = None
  *                                 continue             # <<<<<<<<<<<<<<
@@ -47097,7 +48570,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             }
             /*else*/ {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1017
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1061
  *                             else:
  *                                 # Suffix link indicates lookup is reqired
  *                                 lookup_required = True             # <<<<<<<<<<<<<<
@@ -47111,18 +48584,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           }
           /*else*/ {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1020
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1064
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
  *                 # checking whether lookup_required
  *                 if lookup_required:
  */
-            __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_122), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __Pyx_Raise(__pyx_t_2, 0, 0, 0);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_122), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
+            __Pyx_Raise(__pyx_t_1, 0, 0, 0);
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           __pyx_L30:;
         }
@@ -47130,7 +48603,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       }
       __pyx_L27:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1022
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1066
  *                             raise Exception("Keyword trie error")
  *                 # checking whether lookup_required
  *                 if lookup_required:             # <<<<<<<<<<<<<<
@@ -47139,7 +48612,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
       if (__pyx_cur_scope->__pyx_v_lookup_required) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1023
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1067
  *                 # checking whether lookup_required
  *                 if lookup_required:
  *                     new_node = None             # <<<<<<<<<<<<<<
@@ -47152,68 +48625,68 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_GIVEREF(Py_None);
         __pyx_cur_scope->__pyx_v_new_node = Py_None;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1024
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1068
  *                 if lookup_required:
  *                     new_node = None
  *                     if is_shadow_path:             # <<<<<<<<<<<<<<
  *                         # Extending shadow path
  *                         # on the shadow path we don't do any search, we just use info from suffix link
  */
-        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1027
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1071
  *                         # Extending shadow path
  *                         # on the shadow path we don't do any search, we just use info from suffix link
  *                         new_node = ExtendedTrieNode(phrase_location=node.suffix_link.children[word_id].phrase_location,             # <<<<<<<<<<<<<<
  *                                 suffix_link=node.suffix_link.children[word_id],
  *                                 phrase=hiero_phrase)
  */
-          __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_3 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          __pyx_t_17 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-          __pyx_t_3 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyObject_GetAttr(__pyx_t_17, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1028
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1072
  *                         # on the shadow path we don't do any search, we just use info from suffix link
  *                         new_node = ExtendedTrieNode(phrase_location=node.suffix_link.children[word_id].phrase_location,
  *                                 suffix_link=node.suffix_link.children[word_id],             # <<<<<<<<<<<<<<
  *                                 phrase=hiero_phrase)
  *                     else:
  */
-          __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
-          __pyx_t_17 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-          __pyx_t_3 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1029
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1073
  *                         new_node = ExtendedTrieNode(phrase_location=node.suffix_link.children[word_id].phrase_location,
  *                                 suffix_link=node.suffix_link.children[word_id],
  *                                 phrase=hiero_phrase)             # <<<<<<<<<<<<<<
  *                     else:
  *                         if arity > 0:
  */
-          if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
-          __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+          __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
           __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_new_node);
           __Pyx_DECREF(__pyx_cur_scope->__pyx_v_new_node);
           __Pyx_GIVEREF(__pyx_t_3);
@@ -47223,7 +48696,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1031
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1075
  *                                 phrase=hiero_phrase)
  *                     else:
  *                         if arity > 0:             # <<<<<<<<<<<<<<
@@ -47233,141 +48706,141 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_t_9 = (__pyx_cur_scope->__pyx_v_arity > 0);
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1033
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1077
  *                         if arity > 0:
  *                             # Intersecting because of arity > 0
  *                             intersect_start_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *                             phrase_location = self.intersect(node, node.suffix_link.children[word_id], hiero_phrase)
  *                             intersect_stop_time = monitor_cpu()
  */
-            __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_2 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
+            __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_intersect_start_time);
             __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_intersect_start_time);
-            __Pyx_GIVEREF(__pyx_t_2);
-            __pyx_cur_scope->__pyx_v_intersect_start_time = __pyx_t_2;
-            __pyx_t_2 = 0;
+            __Pyx_GIVEREF(__pyx_t_1);
+            __pyx_cur_scope->__pyx_v_intersect_start_time = __pyx_t_1;
+            __pyx_t_1 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1034
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1078
  *                             # Intersecting because of arity > 0
  *                             intersect_start_time = monitor_cpu()
  *                             phrase_location = self.intersect(node, node.suffix_link.children[word_id], hiero_phrase)             # <<<<<<<<<<<<<<
  *                             intersect_stop_time = monitor_cpu()
  *                             self.intersect_time += intersect_stop_time - intersect_start_time
  */
-            __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_3 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
+            __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-            __pyx_t_2 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+            __pyx_t_1 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-            __pyx_t_3 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->intersect(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_node, __pyx_t_2, __pyx_cur_scope->__pyx_v_hiero_phrase)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->intersect(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_node, __pyx_t_1, __pyx_cur_scope->__pyx_v_hiero_phrase)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
             __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
             __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
             __Pyx_GIVEREF(__pyx_t_3);
             __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
             __pyx_t_3 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1035
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1079
  *                             intersect_start_time = monitor_cpu()
  *                             phrase_location = self.intersect(node, node.suffix_link.children[word_id], hiero_phrase)
  *                             intersect_stop_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *                             self.intersect_time += intersect_stop_time - intersect_start_time
  *                         else:
  */
-            __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1079; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_2 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
+            __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1079; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_intersect_stop_time);
             __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_intersect_stop_time);
-            __Pyx_GIVEREF(__pyx_t_2);
-            __pyx_cur_scope->__pyx_v_intersect_stop_time = __pyx_t_2;
-            __pyx_t_2 = 0;
+            __Pyx_GIVEREF(__pyx_t_1);
+            __pyx_cur_scope->__pyx_v_intersect_stop_time = __pyx_t_1;
+            __pyx_t_1 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1036
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1080
  *                             phrase_location = self.intersect(node, node.suffix_link.children[word_id], hiero_phrase)
  *                             intersect_stop_time = monitor_cpu()
  *                             self.intersect_time += intersect_stop_time - intersect_start_time             # <<<<<<<<<<<<<<
  *                         else:
  *                             # Suffix array search
  */
-            __pyx_t_2 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->intersect_time); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_3 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_intersect_stop_time, __pyx_cur_scope->__pyx_v_intersect_start_time); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->intersect_time); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
+            __pyx_t_3 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_intersect_stop_time, __pyx_cur_scope->__pyx_v_intersect_start_time); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_t_1, __pyx_t_3); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+            __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-            __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_17); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_17); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
             __pyx_cur_scope->__pyx_v_self->intersect_time = __pyx_t_4;
             goto __pyx_L34;
           }
           /*else*/ {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1039
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1083
  *                         else:
  *                             # Suffix array search
  *                             phrase_location = node.phrase_location             # <<<<<<<<<<<<<<
  *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:
  */
-            __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            if (!(likely(((__pyx_t_17) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_17, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (!(likely(((__pyx_t_17) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_17, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
             __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
             __Pyx_GIVEREF(__pyx_t_17);
             __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_17);
             __pyx_t_17 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1040
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1084
  *                             # Suffix array search
  *                             phrase_location = node.phrase_location
  *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)             # <<<<<<<<<<<<<<
  *                             if sa_range is not None:
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  */
-            __pyx_t_17 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_3); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_3); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-            __pyx_t_3 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_20)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_20)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(((PyObject *)__pyx_t_3));
-            __pyx_t_6 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __pyx_t_2 = PyInt_FromSsize_t((__pyx_t_6 - 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_6 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyInt_FromSsize_t((__pyx_t_6 - 1)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_1);
+            __pyx_t_16 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_16);
-            __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
-            __pyx_t_10 = PyTuple_New(4); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyTuple_New(4); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             PyTuple_SET_ITEM(__pyx_t_10, 0, ((PyObject *)__pyx_t_3));
             __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
-            PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_t_2);
-            __Pyx_GIVEREF(__pyx_t_2);
+            PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_t_1);
+            __Pyx_GIVEREF(__pyx_t_1);
             PyTuple_SET_ITEM(__pyx_t_10, 2, __pyx_t_16);
             __Pyx_GIVEREF(__pyx_t_16);
             PyTuple_SET_ITEM(__pyx_t_10, 3, __pyx_t_12);
             __Pyx_GIVEREF(__pyx_t_12);
             __pyx_t_3 = 0;
-            __pyx_t_2 = 0;
+            __pyx_t_1 = 0;
             __pyx_t_16 = 0;
             __pyx_t_12 = 0;
-            __pyx_t_12 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1084; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
@@ -47377,7 +48850,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_sa_range = __pyx_t_12;
             __pyx_t_12 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1041
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1085
  *                             phrase_location = node.phrase_location
  *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:             # <<<<<<<<<<<<<<
@@ -47387,24 +48860,24 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_t_9 = (__pyx_cur_scope->__pyx_v_sa_range != Py_None);
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1042
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1086
  *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])             # <<<<<<<<<<<<<<
  *                             else:
  *                                 phrase_location = None
  */
-              __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-              __pyx_t_10 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
-              if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-              __pyx_t_10 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
-              if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-              __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
               __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
               __Pyx_GOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
@@ -47416,7 +48889,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             }
             /*else*/ {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1044
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1088
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  *                             else:
  *                                 phrase_location = None             # <<<<<<<<<<<<<<
@@ -47433,7 +48906,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           }
           __pyx_L34:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1046
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1090
  *                                 phrase_location = None
  * 
  *                         if phrase_location is None:             # <<<<<<<<<<<<<<
@@ -47443,19 +48916,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_t_9 = (((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location) == Py_None);
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1047
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1091
  * 
  *                         if phrase_location is None:
  *                             node.children[word_id] = None             # <<<<<<<<<<<<<<
  *                             # Search failed
  *                             continue
  */
-            __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            if (PyObject_SetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (PyObject_SetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1049
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1093
  *                             node.children[word_id] = None
  *                             # Search failed
  *                             continue             # <<<<<<<<<<<<<<
@@ -47467,7 +48940,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           }
           __pyx_L36:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1051
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1095
  *                             continue
  *                         # Search succeeded
  *                         suffix_link = self.rules.root             # <<<<<<<<<<<<<<
@@ -47480,32 +48953,32 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_self->rules->root);
           __pyx_cur_scope->__pyx_v_suffix_link = __pyx_cur_scope->__pyx_v_self->rules->root;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1052
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1096
  *                         # Search succeeded
  *                         suffix_link = self.rules.root
  *                         if node.suffix_link is not None:             # <<<<<<<<<<<<<<
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  */
-          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1052; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __pyx_t_9 = (__pyx_t_10 != Py_None);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1053
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1097
  *                         suffix_link = self.rules.root
  *                         if node.suffix_link is not None:
  *                             suffix_link = node.suffix_link.children[word_id]             # <<<<<<<<<<<<<<
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,
  */
-            __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_12 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-            __pyx_t_10 = PyObject_GetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_GetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link);
@@ -47517,35 +48990,35 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           }
           __pyx_L37:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1054
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1098
  *                         if node.suffix_link is not None:
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,             # <<<<<<<<<<<<<<
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)
  */
-          __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_10));
-          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1055
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1099
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,             # <<<<<<<<<<<<<<
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node
  */
-          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1056
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1100
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)             # <<<<<<<<<<<<<<
  *                     node.children[word_id] = new_node
  *                     node = new_node
  */
-          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
           __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_new_node);
@@ -47556,19 +49029,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         __pyx_L33:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1057
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1101
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node             # <<<<<<<<<<<<<<
  *                     node = new_node
  * 
  */
-        __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
-        if (PyObject_SetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_word_id, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (PyObject_SetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_word_id, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1058
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1102
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node
  *                     node = new_node             # <<<<<<<<<<<<<<
@@ -47581,7 +49054,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_new_node);
         __pyx_cur_scope->__pyx_v_node = __pyx_cur_scope->__pyx_v_new_node;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1063
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1107
  *                     This should happen before we get to extraction (so that
  *                     the node will exist if needed)'''
  *                     if arity < self.max_nonterminals:             # <<<<<<<<<<<<<<
@@ -47591,14 +49064,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         __pyx_t_9 = (__pyx_cur_scope->__pyx_v_arity < __pyx_cur_scope->__pyx_v_self->max_nonterminals);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1064
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1108
  *                     the node will exist if needed)'''
  *                     if arity < self.max_nonterminals:
  *                         xcat_index = arity+1             # <<<<<<<<<<<<<<
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index
  */
-          __pyx_t_12 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_xcat_index);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_xcat_index);
@@ -47606,17 +49079,17 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_xcat_index = __pyx_t_12;
           __pyx_t_12 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1065
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1109
  *                     if arity < self.max_nonterminals:
  *                         xcat_index = arity+1
  *                         xcat = sym_setindex(self.category, xcat_index)             # <<<<<<<<<<<<<<
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:
  */
-          __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1065; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_cur_scope->__pyx_v_xcat = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_20);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1066
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1110
  *                         xcat_index = arity+1
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index             # <<<<<<<<<<<<<<
@@ -47629,24 +49102,24 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_xcat_index);
           __pyx_cur_scope->__pyx_v_suffix_link_xcat_index = __pyx_cur_scope->__pyx_v_xcat_index;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1067
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1111
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:             # <<<<<<<<<<<<<<
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  */
-          __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1068
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1112
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:
  *                             suffix_link_xcat_index = xcat_index-1             # <<<<<<<<<<<<<<
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  */
-            __pyx_t_12 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
@@ -47657,159 +49130,159 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           }
           __pyx_L39:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1069
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1113
  *                         if is_shadow_path:
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)             # <<<<<<<<<<<<<<
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],
  */
-          __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1069; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_cur_scope->__pyx_v_suffix_link_xcat = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_20);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1070
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1114
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,             # <<<<<<<<<<<<<<
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],
  *                                 phrase= Phrase(phrase + (xcat,)))
  */
-          __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1071
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1115
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],             # <<<<<<<<<<<<<<
  *                                 phrase= Phrase(phrase + (xcat,)))
  * 
  */
-          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_17 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_10 = __Pyx_GetItemInt(__pyx_t_17, __pyx_cur_scope->__pyx_v_suffix_link_xcat, sizeof(int), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = __Pyx_GetItemInt(__pyx_t_17, __pyx_cur_scope->__pyx_v_suffix_link_xcat, sizeof(int), PyInt_FromLong); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1072
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1116
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],
  *                                 phrase= Phrase(phrase + (xcat,)))             # <<<<<<<<<<<<<<
  * 
  *                     # sample from range
  */
-          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_xcat); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_xcat); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_10);
           __Pyx_GIVEREF(__pyx_t_10);
           __pyx_t_10 = 0;
-          __pyx_t_10 = PyNumber_Add(__pyx_cur_scope->__pyx_v_phrase, ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyNumber_Add(__pyx_cur_scope->__pyx_v_phrase, ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
-          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_10);
           __Pyx_GIVEREF(__pyx_t_10);
           __pyx_t_10 = 0;
-          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1072; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
-          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__phrase), __pyx_t_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1070
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1114
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,             # <<<<<<<<<<<<<<
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],
  *                                 phrase= Phrase(phrase + (xcat,)))
  */
-          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
-          if (__Pyx_SetItemInt(__pyx_t_12, __pyx_cur_scope->__pyx_v_xcat, __pyx_t_10, sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (__Pyx_SetItemInt(__pyx_t_12, __pyx_cur_scope->__pyx_v_xcat, __pyx_t_10, sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           goto __pyx_L38;
         }
         __pyx_L38:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1075
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1119
  * 
  *                     # sample from range
  *                     if not is_shadow_path:             # <<<<<<<<<<<<<<
  *                         sample = self.sampler.sample(node.phrase_location)
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns
  */
-        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_t_21 = (!__pyx_t_9);
         if (__pyx_t_21) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1076
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1120
  *                     # sample from range
  *                     if not is_shadow_path:
  *                         sample = self.sampler.sample(node.phrase_location)             # <<<<<<<<<<<<<<
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns
  *                         chunklen = IntList(initial_len=num_subpatterns)
  */
-          __pyx_t_10 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->sampler), __pyx_n_s__sample); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->sampler), __pyx_n_s__sample); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
-          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_12);
           __Pyx_GIVEREF(__pyx_t_12);
           __pyx_t_12 = 0;
-          __pyx_t_12 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
-          if (!(likely(((__pyx_t_12) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_12, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (!(likely(((__pyx_t_12) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_12, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_sample));
           __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_sample));
           __Pyx_GIVEREF(__pyx_t_12);
           __pyx_cur_scope->__pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_12);
           __pyx_t_12 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1077
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1121
  *                     if not is_shadow_path:
  *                         sample = self.sampler.sample(node.phrase_location)
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns             # <<<<<<<<<<<<<<
  *                         chunklen = IntList(initial_len=num_subpatterns)
  *                         for j from 0 <= j < num_subpatterns:
  */
-          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __pyx_cur_scope->__pyx_v_num_subpatterns = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_12)->num_subpatterns;
           __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1078
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1122
  *                         sample = self.sampler.sample(node.phrase_location)
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns
  *                         chunklen = IntList(initial_len=num_subpatterns)             # <<<<<<<<<<<<<<
  *                         for j from 0 <= j < num_subpatterns:
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  */
-          __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_17) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_17) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          __pyx_t_17 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
           __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_chunklen));
@@ -47818,7 +49291,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_17);
           __pyx_t_17 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1079
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1123
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns
  *                         chunklen = IntList(initial_len=num_subpatterns)
  *                         for j from 0 <= j < num_subpatterns:             # <<<<<<<<<<<<<<
@@ -47828,7 +49301,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_t_20 = __pyx_cur_scope->__pyx_v_num_subpatterns;
           for (__pyx_cur_scope->__pyx_v_j = 0; __pyx_cur_scope->__pyx_v_j < __pyx_t_20; __pyx_cur_scope->__pyx_v_j++) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1080
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1124
  *                         chunklen = IntList(initial_len=num_subpatterns)
  *                         for j from 0 <= j < num_subpatterns:
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)             # <<<<<<<<<<<<<<
@@ -47838,14 +49311,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             (__pyx_cur_scope->__pyx_v_chunklen->arr[__pyx_cur_scope->__pyx_v_j]) = ((struct __pyx_vtabstruct_3_sa_Phrase *)__pyx_cur_scope->__pyx_v_hiero_phrase->__pyx_vtab)->chunklen(__pyx_cur_scope->__pyx_v_hiero_phrase, __pyx_cur_scope->__pyx_v_j);
           }
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1081
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1125
  *                         for j from 0 <= j < num_subpatterns:
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  *                         extracts = []             # <<<<<<<<<<<<<<
  *                         j = 0
  *                         extract_start = monitor_cpu()
  */
-          __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_extracts));
           __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_extracts));
@@ -47853,7 +49326,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_extracts = __pyx_t_17;
           __pyx_t_17 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1082
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1126
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  *                         extracts = []
  *                         j = 0             # <<<<<<<<<<<<<<
@@ -47862,16 +49335,16 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
           __pyx_cur_scope->__pyx_v_j = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1083
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1127
  *                         extracts = []
  *                         j = 0
  *                         extract_start = monitor_cpu()             # <<<<<<<<<<<<<<
  *                         while j < sample.len:
  *                             extract = []
  */
-          __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_12 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract_start);
@@ -47880,7 +49353,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_extract_start = __pyx_t_12;
           __pyx_t_12 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1084
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1128
  *                         j = 0
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:             # <<<<<<<<<<<<<<
@@ -47891,14 +49364,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_t_21 = (__pyx_cur_scope->__pyx_v_j < __pyx_cur_scope->__pyx_v_sample->len);
             if (!__pyx_t_21) break;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1085
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1129
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:
  *                             extract = []             # <<<<<<<<<<<<<<
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  */
-            __pyx_t_12 = PyList_New(0); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1085; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyList_New(0); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract);
             __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_extract);
@@ -47906,7 +49379,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_extract = ((PyObject *)__pyx_t_12);
             __pyx_t_12 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1087
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1131
  *                             extract = []
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -47915,21 +49388,21 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
             __pyx_f_3_sa_assign_matching((&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_sample->arr, __pyx_cur_scope->__pyx_v_j, __pyx_cur_scope->__pyx_v_num_subpatterns, __pyx_cur_scope->__pyx_v_self->fda->sent_id->arr);
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1088
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1132
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  *                             loc = tuple(sample[j:j+num_subpatterns])             # <<<<<<<<<<<<<<
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend([(e, loc) for e in extract])
  */
-            __pyx_t_12 = __Pyx_PySequence_GetSlice(((PyObject *)__pyx_cur_scope->__pyx_v_sample), __pyx_cur_scope->__pyx_v_j, (__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_num_subpatterns)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = __Pyx_PySequence_GetSlice(((PyObject *)__pyx_cur_scope->__pyx_v_sample), __pyx_cur_scope->__pyx_v_j, (__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_num_subpatterns)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
-            __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_12);
             __Pyx_GIVEREF(__pyx_t_12);
             __pyx_t_12 = 0;
-            __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_17), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_loc);
@@ -47938,14 +49411,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_loc = __pyx_t_12;
             __pyx_t_12 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1089
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1133
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  *                             loc = tuple(sample[j:j+num_subpatterns])
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)             # <<<<<<<<<<<<<<
  *                             extracts.extend([(e, loc) for e in extract])
  *                             j = j + num_subpatterns
  */
-            __pyx_t_12 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->extract(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_hiero_phrase, (&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_chunklen->arr, __pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->extract(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_hiero_phrase, (&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_chunklen->arr, __pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_extract);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_extract);
@@ -47953,22 +49426,22 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_extract = __pyx_t_12;
             __pyx_t_12 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1090
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1134
  *                             loc = tuple(sample[j:j+num_subpatterns])
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend([(e, loc) for e in extract])             # <<<<<<<<<<<<<<
  *                             j = j + num_subpatterns
  * 
  */
-            __pyx_t_12 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_extracts), __pyx_n_s__extend); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_extracts), __pyx_n_s__extend); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
-            __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_extract) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_extract)) {
               __pyx_t_10 = __pyx_cur_scope->__pyx_v_extract; __Pyx_INCREF(__pyx_t_10); __pyx_t_6 = 0;
               __pyx_t_22 = NULL;
             } else {
-              __pyx_t_6 = -1; __pyx_t_10 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_extract); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_6 = -1; __pyx_t_10 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_extract); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
               __pyx_t_22 = Py_TYPE(__pyx_t_10)->tp_iternext;
             }
@@ -47976,23 +49449,23 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               if (!__pyx_t_22 && PyList_CheckExact(__pyx_t_10)) {
                 if (__pyx_t_6 >= PyList_GET_SIZE(__pyx_t_10)) break;
                 #if CYTHON_COMPILING_IN_CPYTHON
-                __pyx_t_16 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_16); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_16); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 #else
-                __pyx_t_16 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 #endif
               } else if (!__pyx_t_22 && PyTuple_CheckExact(__pyx_t_10)) {
                 if (__pyx_t_6 >= PyTuple_GET_SIZE(__pyx_t_10)) break;
                 #if CYTHON_COMPILING_IN_CPYTHON
-                __pyx_t_16 = PyTuple_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_16); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyTuple_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_16); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 #else
-                __pyx_t_16 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 #endif
               } else {
                 __pyx_t_16 = __pyx_t_22(__pyx_t_10);
                 if (unlikely(!__pyx_t_16)) {
                   if (PyErr_Occurred()) {
                     if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                    else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   }
                   break;
                 }
@@ -48003,7 +49476,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __Pyx_GIVEREF(__pyx_t_16);
               __pyx_cur_scope->__pyx_v_e = __pyx_t_16;
               __pyx_t_16 = 0;
-              __pyx_t_16 = PyTuple_New(2); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_16 = PyTuple_New(2); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_16);
               __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
               PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_cur_scope->__pyx_v_e);
@@ -48011,23 +49484,23 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __Pyx_INCREF(__pyx_cur_scope->__pyx_v_loc);
               PyTuple_SET_ITEM(__pyx_t_16, 1, __pyx_cur_scope->__pyx_v_loc);
               __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_loc);
-              if (unlikely(__Pyx_PyList_Append(__pyx_t_17, (PyObject*)__pyx_t_16))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (unlikely(__Pyx_PyList_Append(__pyx_t_17, (PyObject*)__pyx_t_16))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
             }
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_INCREF(((PyObject *)__pyx_t_17));
             PyTuple_SET_ITEM(__pyx_t_10, 0, ((PyObject *)__pyx_t_17));
             __Pyx_GIVEREF(((PyObject *)__pyx_t_17));
             __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
-            __pyx_t_17 = PyObject_Call(__pyx_t_12, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyObject_Call(__pyx_t_12, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1091
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1135
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend([(e, loc) for e in extract])
  *                             j = j + num_subpatterns             # <<<<<<<<<<<<<<
@@ -48037,7 +49510,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_j = (__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_num_subpatterns);
           }
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1093
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1137
  *                             j = j + num_subpatterns
  * 
  *                         num_samples = sample.len/num_subpatterns             # <<<<<<<<<<<<<<
@@ -48046,24 +49519,24 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
           if (unlikely(__pyx_cur_scope->__pyx_v_num_subpatterns == 0)) {
             PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1093; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           else if (sizeof(int) == sizeof(long) && unlikely(__pyx_cur_scope->__pyx_v_num_subpatterns == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_cur_scope->__pyx_v_sample->len))) {
             PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1093; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           __pyx_cur_scope->__pyx_v_num_samples = __Pyx_div_int(__pyx_cur_scope->__pyx_v_sample->len, __pyx_cur_scope->__pyx_v_num_subpatterns);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1094
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1138
  * 
  *                         num_samples = sample.len/num_subpatterns
  *                         extract_stop = monitor_cpu()             # <<<<<<<<<<<<<<
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:
  */
-          __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1094; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_10 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1094; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract_stop);
@@ -48072,46 +49545,46 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_extract_stop = __pyx_t_10;
           __pyx_t_10 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1095
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1139
  *                         num_samples = sample.len/num_subpatterns
  *                         extract_stop = monitor_cpu()
  *                         self.extract_time = self.extract_time + extract_stop - extract_start             # <<<<<<<<<<<<<<
  *                         if len(extracts) > 0:
  *                             fcount = Counter()
  */
-          __pyx_t_10 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1095; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_17 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_extract_stop); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1095; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_extract_stop); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_10 = PyNumber_Subtract(__pyx_t_17, __pyx_cur_scope->__pyx_v_extract_start); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1095; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyNumber_Subtract(__pyx_t_17, __pyx_cur_scope->__pyx_v_extract_start); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-          __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_10); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1095; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_4 = __pyx_PyFloat_AsFloat(__pyx_t_10); if (unlikely((__pyx_t_4 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           __pyx_cur_scope->__pyx_v_self->extract_time = __pyx_t_4;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1096
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1140
  *                         extract_stop = monitor_cpu()
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:             # <<<<<<<<<<<<<<
  *                             fcount = Counter()
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
  */
-          __pyx_t_6 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_extracts)); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_6 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_extracts)); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_t_21 = (__pyx_t_6 > 0);
           if (__pyx_t_21) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1097
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1141
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:
  *                             fcount = Counter()             # <<<<<<<<<<<<<<
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
  *                             for (f, e, count, als), loc in extracts:
  */
-            __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__Counter); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__Counter); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_17 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_fcount);
@@ -48120,23 +49593,23 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_fcount = __pyx_t_17;
             __pyx_t_17 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1098
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1142
  *                         if len(extracts) > 0:
  *                             fcount = Counter()
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))             # <<<<<<<<<<<<<<
  *                             for (f, e, count, als), loc in extracts:
  *                                 fcount[f] += count
  */
-            __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__defaultdict); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __pyx_t_10 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_lambda1, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_lambda4, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_12 = PyTuple_New(1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_12 = PyTuple_New(1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
             PyTuple_SET_ITEM(__pyx_t_12, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
             __pyx_t_10 = 0;
-            __pyx_t_10 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_12), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_12), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
@@ -48146,7 +49619,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_fphrases = __pyx_t_10;
             __pyx_t_10 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1099
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1143
  *                             fcount = Counter()
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
  *                             for (f, e, count, als), loc in extracts:             # <<<<<<<<<<<<<<
@@ -48157,9 +49630,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             for (;;) {
               if (__pyx_t_6 >= PyList_GET_SIZE(__pyx_t_10)) break;
               #if CYTHON_COMPILING_IN_CPYTHON
-              __pyx_t_12 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_12); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_6); __Pyx_INCREF(__pyx_t_12); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #else
-              __pyx_t_12 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PySequence_ITEM(__pyx_t_10, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
               if ((likely(PyTuple_CheckExact(__pyx_t_12))) || (PyList_CheckExact(__pyx_t_12))) {
                 PyObject* sequence = __pyx_t_12;
@@ -48171,7 +49644,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 if (unlikely(size != 2)) {
                   if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                   else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 #if CYTHON_COMPILING_IN_CPYTHON
                 if (likely(PyTuple_CheckExact(sequence))) {
@@ -48184,30 +49657,30 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __Pyx_INCREF(__pyx_t_17);
                 __Pyx_INCREF(__pyx_t_16);
                 #else
-                __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __pyx_t_16 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 #endif
                 __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
               } else
               {
                 Py_ssize_t index = -1;
-                __pyx_t_2 = PyObject_GetIter(__pyx_t_12); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
+                __pyx_t_1 = PyObject_GetIter(__pyx_t_12); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-                __pyx_t_19 = Py_TYPE(__pyx_t_2)->tp_iternext;
-                index = 0; __pyx_t_17 = __pyx_t_19(__pyx_t_2); if (unlikely(!__pyx_t_17)) goto __pyx_L50_unpacking_failed;
+                __pyx_t_19 = Py_TYPE(__pyx_t_1)->tp_iternext;
+                index = 0; __pyx_t_17 = __pyx_t_19(__pyx_t_1); if (unlikely(!__pyx_t_17)) goto __pyx_L50_unpacking_failed;
                 __Pyx_GOTREF(__pyx_t_17);
-                index = 1; __pyx_t_16 = __pyx_t_19(__pyx_t_2); if (unlikely(!__pyx_t_16)) goto __pyx_L50_unpacking_failed;
+                index = 1; __pyx_t_16 = __pyx_t_19(__pyx_t_1); if (unlikely(!__pyx_t_16)) goto __pyx_L50_unpacking_failed;
                 __Pyx_GOTREF(__pyx_t_16);
-                if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_2), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_1), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __pyx_t_19 = NULL;
-                __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 goto __pyx_L51_unpacking_done;
                 __pyx_L50_unpacking_failed:;
-                __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 __pyx_t_19 = NULL;
                 if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __pyx_L51_unpacking_done:;
               }
               if ((likely(PyTuple_CheckExact(__pyx_t_17))) || (PyList_CheckExact(__pyx_t_17))) {
@@ -48220,29 +49693,29 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 if (unlikely(size != 4)) {
                   if (size > 4) __Pyx_RaiseTooManyValuesError(4);
                   else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 #if CYTHON_COMPILING_IN_CPYTHON
                 if (likely(PyTuple_CheckExact(sequence))) {
-                  __pyx_t_2 = PyTuple_GET_ITEM(sequence, 0); 
+                  __pyx_t_1 = PyTuple_GET_ITEM(sequence, 0); 
                   __pyx_t_3 = PyTuple_GET_ITEM(sequence, 1); 
                   __pyx_t_11 = PyTuple_GET_ITEM(sequence, 2); 
                   __pyx_t_8 = PyTuple_GET_ITEM(sequence, 3); 
                 } else {
-                  __pyx_t_2 = PyList_GET_ITEM(sequence, 0); 
+                  __pyx_t_1 = PyList_GET_ITEM(sequence, 0); 
                   __pyx_t_3 = PyList_GET_ITEM(sequence, 1); 
                   __pyx_t_11 = PyList_GET_ITEM(sequence, 2); 
                   __pyx_t_8 = PyList_GET_ITEM(sequence, 3); 
                 }
-                __Pyx_INCREF(__pyx_t_2);
+                __Pyx_INCREF(__pyx_t_1);
                 __Pyx_INCREF(__pyx_t_3);
                 __Pyx_INCREF(__pyx_t_11);
                 __Pyx_INCREF(__pyx_t_8);
                 #else
                 Py_ssize_t i;
-                PyObject** temps[4] = {&__pyx_t_2,&__pyx_t_3,&__pyx_t_11,&__pyx_t_8};
+                PyObject** temps[4] = {&__pyx_t_1,&__pyx_t_3,&__pyx_t_11,&__pyx_t_8};
                 for (i=0; i < 4; i++) {
-                  PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   *(temps[i]) = item;
                 }
                 #endif
@@ -48250,8 +49723,8 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               } else
               {
                 Py_ssize_t index = -1;
-                PyObject** temps[4] = {&__pyx_t_2,&__pyx_t_3,&__pyx_t_11,&__pyx_t_8};
-                __pyx_t_15 = PyObject_GetIter(__pyx_t_17); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                PyObject** temps[4] = {&__pyx_t_1,&__pyx_t_3,&__pyx_t_11,&__pyx_t_8};
+                __pyx_t_15 = PyObject_GetIter(__pyx_t_17); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
                 __pyx_t_19 = Py_TYPE(__pyx_t_15)->tp_iternext;
@@ -48260,7 +49733,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                   __Pyx_GOTREF(item);
                   *(temps[index]) = item;
                 }
-                if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_15), 4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_15), 4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __pyx_t_19 = NULL;
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 goto __pyx_L53_unpacking_done;
@@ -48268,14 +49741,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 __pyx_t_19 = NULL;
                 if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __pyx_L53_unpacking_done:;
               }
               __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_f);
               __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_f);
-              __Pyx_GIVEREF(__pyx_t_2);
-              __pyx_cur_scope->__pyx_v_f = __pyx_t_2;
-              __pyx_t_2 = 0;
+              __Pyx_GIVEREF(__pyx_t_1);
+              __pyx_cur_scope->__pyx_v_f = __pyx_t_1;
+              __pyx_t_1 = 0;
               __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_e);
               __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_e);
               __Pyx_GIVEREF(__pyx_t_3);
@@ -48297,7 +49770,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __pyx_cur_scope->__pyx_v_loc = __pyx_t_16;
               __pyx_t_16 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1100
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1144
  *                             fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
  *                             for (f, e, count, als), loc in extracts:
  *                                 fcount[f] += count             # <<<<<<<<<<<<<<
@@ -48306,38 +49779,38 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
               __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
               __pyx_t_12 = __pyx_cur_scope->__pyx_v_f;
-              __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_t_12); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_t_12); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_16);
-              __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_t_16, __pyx_cur_scope->__pyx_v_count); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_t_16, __pyx_cur_scope->__pyx_v_count); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_17);
               __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-              if (PyObject_SetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_t_12, __pyx_t_17) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyObject_SetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_t_12, __pyx_t_17) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
               __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1101
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1145
  *                             for (f, e, count, als), loc in extracts:
  *                                 fcount[f] += count
  *                                 fphrases[f][e][als].append(loc)             # <<<<<<<<<<<<<<
  *                             for f, elist in fphrases.iteritems():
  *                                 for e, alslist in elist.iteritems():
  */
-              __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fphrases, __pyx_cur_scope->__pyx_v_f); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fphrases, __pyx_cur_scope->__pyx_v_f); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_12);
-              __pyx_t_17 = PyObject_GetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_e); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = PyObject_GetItem(__pyx_t_12, __pyx_cur_scope->__pyx_v_e); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_17);
               __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-              __pyx_t_12 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_als); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PyObject_GetItem(__pyx_t_17, __pyx_cur_scope->__pyx_v_als); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_12);
               __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-              __pyx_t_17 = __Pyx_PyObject_Append(__pyx_t_12, __pyx_cur_scope->__pyx_v_loc); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = __Pyx_PyObject_Append(__pyx_t_12, __pyx_cur_scope->__pyx_v_loc); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_17);
               __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
               __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
             }
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1102
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1146
  *                                 fcount[f] += count
  *                                 fphrases[f][e][als].append(loc)
  *                             for f, elist in fphrases.iteritems():             # <<<<<<<<<<<<<<
@@ -48347,9 +49820,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_t_6 = 0;
             if (unlikely(__pyx_cur_scope->__pyx_v_fphrases == Py_None)) {
               PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "iteritems");
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             }
-            __pyx_t_17 = __Pyx_dict_iterator(__pyx_cur_scope->__pyx_v_fphrases, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_23), (&__pyx_t_20)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = __Pyx_dict_iterator(__pyx_cur_scope->__pyx_v_fphrases, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_23), (&__pyx_t_20)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             __Pyx_XDECREF(__pyx_t_10);
             __pyx_t_10 = __pyx_t_17;
@@ -48357,7 +49830,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             while (1) {
               __pyx_t_7 = __Pyx_dict_iter_next(__pyx_t_10, __pyx_t_23, &__pyx_t_6, &__pyx_t_17, &__pyx_t_12, NULL, __pyx_t_20);
               if (unlikely(__pyx_t_7 == 0)) break;
-              if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1146; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_17);
               __Pyx_GOTREF(__pyx_t_12);
               __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_f);
@@ -48371,7 +49844,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __pyx_cur_scope->__pyx_v_elist = __pyx_t_12;
               __pyx_t_12 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1103
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1147
  *                                 fphrases[f][e][als].append(loc)
  *                             for f, elist in fphrases.iteritems():
  *                                 for e, alslist in elist.iteritems():             # <<<<<<<<<<<<<<
@@ -48381,9 +49854,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __pyx_t_24 = 0;
               if (unlikely(__pyx_cur_scope->__pyx_v_elist == Py_None)) {
                 PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "iteritems");
-                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1147; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
-              __pyx_t_17 = __Pyx_dict_iterator(__pyx_cur_scope->__pyx_v_elist, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_25), (&__pyx_t_7)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = __Pyx_dict_iterator(__pyx_cur_scope->__pyx_v_elist, 0, ((PyObject *)__pyx_n_s__iteritems), (&__pyx_t_25), (&__pyx_t_7)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1147; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_17);
               __Pyx_XDECREF(__pyx_t_12);
               __pyx_t_12 = __pyx_t_17;
@@ -48391,7 +49864,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               while (1) {
                 __pyx_t_5 = __Pyx_dict_iter_next(__pyx_t_12, __pyx_t_25, &__pyx_t_24, &__pyx_t_17, &__pyx_t_16, NULL, __pyx_t_7);
                 if (unlikely(__pyx_t_5 == 0)) break;
-                if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1147; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_GOTREF(__pyx_t_16);
                 __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_e);
@@ -48405,30 +49878,30 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __pyx_cur_scope->__pyx_v_alslist = __pyx_t_16;
                 __pyx_t_16 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1104
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1148
  *                             for f, elist in fphrases.iteritems():
  *                                 for e, alslist in elist.iteritems():
  *                                     alignment, max_locs = max(alslist.iteritems(), key=lambda x: len(x[1]))             # <<<<<<<<<<<<<<
  *                                     locs = tuple(itertools.chain.from_iterable(alslist.itervalues()))
  *                                     count = len(locs)
  */
-                __pyx_t_16 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_alslist, __pyx_n_s__iteritems); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_alslist, __pyx_n_s__iteritems); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
-                __pyx_t_17 = PyObject_Call(__pyx_t_16, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyObject_Call(__pyx_t_16, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
                 PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_17);
                 __Pyx_GIVEREF(__pyx_t_17);
                 __pyx_t_17 = 0;
-                __pyx_t_17 = PyDict_New(); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyDict_New(); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(((PyObject *)__pyx_t_17));
-                __pyx_t_8 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_1lambda3, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_8 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_5input_1lambda6, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_8);
-                if (PyDict_SetItem(__pyx_t_17, ((PyObject *)__pyx_n_s__key), __pyx_t_8) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (PyDict_SetItem(__pyx_t_17, ((PyObject *)__pyx_n_s__key), __pyx_t_8) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-                __pyx_t_8 = PyObject_Call(__pyx_builtin_max, ((PyObject *)__pyx_t_16), ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_8 = PyObject_Call(__pyx_builtin_max, ((PyObject *)__pyx_t_16), ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_8);
                 __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
                 __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
@@ -48442,7 +49915,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                   if (unlikely(size != 2)) {
                     if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                     else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   }
                   #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
@@ -48455,14 +49928,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                   __Pyx_INCREF(__pyx_t_17);
                   __Pyx_INCREF(__pyx_t_16);
                   #else
-                  __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __pyx_t_16 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_16 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                   __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
                 } else
                 {
                   Py_ssize_t index = -1;
-                  __pyx_t_11 = PyObject_GetIter(__pyx_t_8); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_11 = PyObject_GetIter(__pyx_t_8); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_11);
                   __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
                   __pyx_t_19 = Py_TYPE(__pyx_t_11)->tp_iternext;
@@ -48470,7 +49943,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                   __Pyx_GOTREF(__pyx_t_17);
                   index = 1; __pyx_t_16 = __pyx_t_19(__pyx_t_11); if (unlikely(!__pyx_t_16)) goto __pyx_L58_unpacking_failed;
                   __Pyx_GOTREF(__pyx_t_16);
-                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_11), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_11), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_t_19 = NULL;
                   __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
                   goto __pyx_L59_unpacking_done;
@@ -48478,7 +49951,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                   __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
                   __pyx_t_19 = NULL;
                   if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L59_unpacking_done:;
                 }
                 __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_alignment);
@@ -48492,41 +49965,41 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __pyx_cur_scope->__pyx_v_max_locs = __pyx_t_16;
                 __pyx_t_16 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1105
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1149
  *                                 for e, alslist in elist.iteritems():
  *                                     alignment, max_locs = max(alslist.iteritems(), key=lambda x: len(x[1]))
  *                                     locs = tuple(itertools.chain.from_iterable(alslist.itervalues()))             # <<<<<<<<<<<<<<
  *                                     count = len(locs)
  *                                     scores = self.scorer.score(FeatureContext(
  */
-                __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__itertools); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__itertools); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_8);
-                __pyx_t_16 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__chain); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__chain); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
                 __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-                __pyx_t_8 = PyObject_GetAttr(__pyx_t_16, __pyx_n_s__from_iterable); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_8 = PyObject_GetAttr(__pyx_t_16, __pyx_n_s__from_iterable); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_8);
                 __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-                __pyx_t_16 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_alslist, __pyx_n_s__itervalues); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_alslist, __pyx_n_s__itervalues); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
-                __pyx_t_17 = PyObject_Call(__pyx_t_16, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyObject_Call(__pyx_t_16, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
                 PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_17);
                 __Pyx_GIVEREF(__pyx_t_17);
                 __pyx_t_17 = 0;
-                __pyx_t_17 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_16), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_16), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
                 __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
-                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
                 PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_17);
                 __Pyx_GIVEREF(__pyx_t_17);
                 __pyx_t_17 = 0;
-                __pyx_t_17 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_16), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_16), NULL); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
                 __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_locs));
@@ -48535,15 +50008,15 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __pyx_cur_scope->__pyx_v_locs = ((PyObject*)__pyx_t_17);
                 __pyx_t_17 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1106
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1150
  *                                     alignment, max_locs = max(alslist.iteritems(), key=lambda x: len(x[1]))
  *                                     locs = tuple(itertools.chain.from_iterable(alslist.itervalues()))
  *                                     count = len(locs)             # <<<<<<<<<<<<<<
  *                                     scores = self.scorer.score(FeatureContext(
  *                                                f, e, count, fcount[f], num_samples,
  */
-                __pyx_t_26 = PyTuple_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_locs)); if (unlikely(__pyx_t_26 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __pyx_t_17 = PyInt_FromSsize_t(__pyx_t_26); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_26 = PyTuple_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_locs)); if (unlikely(__pyx_t_26 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = PyInt_FromSsize_t(__pyx_t_26); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
                 __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_count);
                 __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_count);
@@ -48551,141 +50024,188 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __pyx_cur_scope->__pyx_v_count = __pyx_t_17;
                 __pyx_t_17 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1107
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1151
  *                                     locs = tuple(itertools.chain.from_iterable(alslist.itervalues()))
  *                                     count = len(locs)
  *                                     scores = self.scorer.score(FeatureContext(             # <<<<<<<<<<<<<<
  *                                                f, e, count, fcount[f], num_samples,
  *                                                (k,i+spanlen), locs, input_match,
  */
-                __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__FeatureContext); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_17 = __Pyx_GetName(__pyx_m, __pyx_n_s__FeatureContext); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_17);
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1108
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1152
  *                                     count = len(locs)
  *                                     scores = self.scorer.score(FeatureContext(
  *                                                f, e, count, fcount[f], num_samples,             # <<<<<<<<<<<<<<
  *                                                (k,i+spanlen), locs, input_match,
  *                                                fwords, self.fda, self.eda,
  */
-                __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_cur_scope->__pyx_v_f); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_16 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fcount, __pyx_cur_scope->__pyx_v_f); if (!__pyx_t_16) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_16);
-                __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_num_samples); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_num_samples); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_8);
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1109
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1153
  *                                     scores = self.scorer.score(FeatureContext(
  *                                                f, e, count, fcount[f], num_samples,
  *                                                (k,i+spanlen), locs, input_match,             # <<<<<<<<<<<<<<
  *                                                fwords, self.fda, self.eda,
- *                                                meta))
+ *                                                meta,
  */
-                __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_11);
-                __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_3);
-                __pyx_t_2 = PyNumber_Add(__pyx_t_3, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
+                __pyx_t_1 = PyNumber_Add(__pyx_t_3, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-                __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_3);
                 PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_11);
                 __Pyx_GIVEREF(__pyx_t_11);
-                PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_2);
-                __Pyx_GIVEREF(__pyx_t_2);
+                PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_1);
+                __Pyx_GIVEREF(__pyx_t_1);
                 __pyx_t_11 = 0;
-                __pyx_t_2 = 0;
+                __pyx_t_1 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1111
- *                                                (k,i+spanlen), locs, input_match,
- *                                                fwords, self.fda, self.eda,
- *                                                meta))             # <<<<<<<<<<<<<<
- *                                     yield Rule(self.category, f, e, scores, alignment)
- * 
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1157
+ *                                                meta,
+ *                                                # Include online stats.  None if none.
+ *                                                self.online_ctx_lookup(f, e)))             # <<<<<<<<<<<<<<
+ *                                     # Phrase pair processed
+ *                                     if self.online:
  */
-                __pyx_t_2 = PyTuple_New(12); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
+                __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__online_ctx_lookup); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __pyx_t_11 = PyTuple_New(2); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_11);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
-                PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_f);
+                PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_cur_scope->__pyx_v_f);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
-                PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_cur_scope->__pyx_v_e);
+                PyTuple_SET_ITEM(__pyx_t_11, 1, __pyx_cur_scope->__pyx_v_e);
+                __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+                __pyx_t_15 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+                __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+                __pyx_t_11 = PyTuple_New(13); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_11);
+                __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+                PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_cur_scope->__pyx_v_f);
+                __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+                __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+                PyTuple_SET_ITEM(__pyx_t_11, 1, __pyx_cur_scope->__pyx_v_e);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_count);
-                PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_cur_scope->__pyx_v_count);
+                PyTuple_SET_ITEM(__pyx_t_11, 2, __pyx_cur_scope->__pyx_v_count);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_count);
-                PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_t_16);
+                PyTuple_SET_ITEM(__pyx_t_11, 3, __pyx_t_16);
                 __Pyx_GIVEREF(__pyx_t_16);
-                PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_t_8);
+                PyTuple_SET_ITEM(__pyx_t_11, 4, __pyx_t_8);
                 __Pyx_GIVEREF(__pyx_t_8);
-                PyTuple_SET_ITEM(__pyx_t_2, 5, ((PyObject *)__pyx_t_3));
+                PyTuple_SET_ITEM(__pyx_t_11, 5, ((PyObject *)__pyx_t_3));
                 __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
                 __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_locs));
-                PyTuple_SET_ITEM(__pyx_t_2, 6, ((PyObject *)__pyx_cur_scope->__pyx_v_locs));
+                PyTuple_SET_ITEM(__pyx_t_11, 6, ((PyObject *)__pyx_cur_scope->__pyx_v_locs));
                 __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_locs));
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_input_match);
-                PyTuple_SET_ITEM(__pyx_t_2, 7, __pyx_cur_scope->__pyx_v_input_match);
+                PyTuple_SET_ITEM(__pyx_t_11, 7, __pyx_cur_scope->__pyx_v_input_match);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_input_match);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fwords);
-                PyTuple_SET_ITEM(__pyx_t_2, 8, __pyx_cur_scope->__pyx_v_fwords);
+                PyTuple_SET_ITEM(__pyx_t_11, 8, __pyx_cur_scope->__pyx_v_fwords);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_fwords);
                 __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
-                PyTuple_SET_ITEM(__pyx_t_2, 9, ((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
+                PyTuple_SET_ITEM(__pyx_t_11, 9, ((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
                 __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
                 __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
-                PyTuple_SET_ITEM(__pyx_t_2, 10, ((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
+                PyTuple_SET_ITEM(__pyx_t_11, 10, ((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
                 __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_meta);
-                PyTuple_SET_ITEM(__pyx_t_2, 11, __pyx_cur_scope->__pyx_v_meta);
+                PyTuple_SET_ITEM(__pyx_t_11, 11, __pyx_cur_scope->__pyx_v_meta);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_meta);
+                PyTuple_SET_ITEM(__pyx_t_11, 12, __pyx_t_15);
+                __Pyx_GIVEREF(__pyx_t_15);
                 __pyx_t_16 = 0;
                 __pyx_t_8 = 0;
                 __pyx_t_3 = 0;
-                __pyx_t_3 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_3);
+                __pyx_t_15 = 0;
+                __pyx_t_15 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-                __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_Scorer *)__pyx_cur_scope->__pyx_v_self->scorer->__pyx_vtab)->score(__pyx_cur_scope->__pyx_v_self->scorer, __pyx_t_3)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
-                __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+                __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+                __pyx_t_11 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_Scorer *)__pyx_cur_scope->__pyx_v_self->scorer->__pyx_vtab)->score(__pyx_cur_scope->__pyx_v_self->scorer, __pyx_t_15)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_11);
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
                 __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
-                __Pyx_GIVEREF(__pyx_t_2);
-                __pyx_cur_scope->__pyx_v_scores = ((struct __pyx_obj_3_sa_FeatureVector *)__pyx_t_2);
-                __pyx_t_2 = 0;
+                __Pyx_GIVEREF(__pyx_t_11);
+                __pyx_cur_scope->__pyx_v_scores = ((struct __pyx_obj_3_sa_FeatureVector *)__pyx_t_11);
+                __pyx_t_11 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1112
- *                                                fwords, self.fda, self.eda,
- *                                                meta))
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1159
+ *                                                self.online_ctx_lookup(f, e)))
+ *                                     # Phrase pair processed
+ *                                     if self.online:             # <<<<<<<<<<<<<<
+ *                                         seen_phrases.add((f, e))
+ *                                     yield Rule(self.category, f, e, scores, alignment)
+ */
+                if (__pyx_cur_scope->__pyx_v_self->online) {
+
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1160
+ *                                     # Phrase pair processed
+ *                                     if self.online:
+ *                                         seen_phrases.add((f, e))             # <<<<<<<<<<<<<<
+ *                                     yield Rule(self.category, f, e, scores, alignment)
+ * 
+ */
+                  __pyx_t_11 = PyTuple_New(2); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_GOTREF(__pyx_t_11);
+                  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+                  PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_cur_scope->__pyx_v_f);
+                  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+                  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+                  PyTuple_SET_ITEM(__pyx_t_11, 1, __pyx_cur_scope->__pyx_v_e);
+                  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+                  __pyx_t_13 = PySet_Add(__pyx_cur_scope->__pyx_v_seen_phrases, ((PyObject *)__pyx_t_11)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+                  goto __pyx_L60;
+                }
+                __pyx_L60:;
+
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1161
+ *                                     if self.online:
+ *                                         seen_phrases.add((f, e))
  *                                     yield Rule(self.category, f, e, scores, alignment)             # <<<<<<<<<<<<<<
  * 
  *                 if len(phrase) < self.max_length and i+spanlen < len(fwords) and pathlen+1 <= self.max_initial_size:
  */
-                __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->category); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
-                __pyx_t_3 = PyTuple_New(5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_3);
-                PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
-                __Pyx_GIVEREF(__pyx_t_2);
+                __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->category); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_11);
+                __pyx_t_15 = PyTuple_New(5); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_11);
+                __Pyx_GIVEREF(__pyx_t_11);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
-                PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_cur_scope->__pyx_v_f);
+                PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_cur_scope->__pyx_v_f);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
-                PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_cur_scope->__pyx_v_e);
+                PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_cur_scope->__pyx_v_e);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
                 __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
-                PyTuple_SET_ITEM(__pyx_t_3, 3, ((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+                PyTuple_SET_ITEM(__pyx_t_15, 3, ((PyObject *)__pyx_cur_scope->__pyx_v_scores));
                 __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
                 __Pyx_INCREF(__pyx_cur_scope->__pyx_v_alignment);
-                PyTuple_SET_ITEM(__pyx_t_3, 4, __pyx_cur_scope->__pyx_v_alignment);
+                PyTuple_SET_ITEM(__pyx_t_15, 4, __pyx_cur_scope->__pyx_v_alignment);
                 __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_alignment);
-                __pyx_t_2 = 0;
-                __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Rule)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_2);
-                __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-                __pyx_r = __pyx_t_2;
-                __pyx_t_2 = 0;
-                __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+                __pyx_t_11 = 0;
+                __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Rule)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_11);
+                __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+                __pyx_r = __pyx_t_11;
+                __pyx_t_11 = 0;
+                __pyx_cur_scope->__pyx_t_0 = __pyx_t_2;
                 __pyx_cur_scope->__pyx_t_1 = __pyx_t_6;
                 __pyx_cur_scope->__pyx_t_2 = __pyx_t_7;
                 __Pyx_XGIVEREF(__pyx_t_10);
@@ -48703,8 +50223,8 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 /* return from generator, yielding value */
                 __pyx_generator->resume_label = 1;
                 return __pyx_r;
-                __pyx_L60_resume_from_yield:;
-                __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+                __pyx_L61_resume_from_yield:;
+                __pyx_t_2 = __pyx_cur_scope->__pyx_t_0;
                 __pyx_t_6 = __pyx_cur_scope->__pyx_t_1;
                 __pyx_t_7 = __pyx_cur_scope->__pyx_t_2;
                 __pyx_t_10 = __pyx_cur_scope->__pyx_t_3;
@@ -48720,7 +50240,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
                 __pyx_t_23 = __pyx_cur_scope->__pyx_t_7;
                 __pyx_t_24 = __pyx_cur_scope->__pyx_t_8;
                 __pyx_t_25 = __pyx_cur_scope->__pyx_t_9;
-                if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
             }
@@ -48735,38 +50255,41 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       }
       __pyx_L32:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1114
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1163
  *                                     yield Rule(self.category, f, e, scores, alignment)
  * 
  *                 if len(phrase) < self.max_length and i+spanlen < len(fwords) and pathlen+1 <= self.max_initial_size:             # <<<<<<<<<<<<<<
  *                     for alt_id in range(len(fwords[i+spanlen])):
  *                         new_frontier.append((k, i+spanlen, input_match, alt_id, pathlen + 1, node, phrase, is_shadow_path))
  */
-      __pyx_t_23 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_23 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_21 = (__pyx_t_23 < __pyx_cur_scope->__pyx_v_self->max_length);
       if (__pyx_t_21) {
-        __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
-        __pyx_t_12 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-        __pyx_t_23 = PyObject_Length(__pyx_cur_scope->__pyx_v_fwords); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __pyx_t_10 = PyInt_FromSsize_t(__pyx_t_23); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = __pyx_cur_scope->__pyx_v_fwords;
+        __Pyx_INCREF(__pyx_t_10);
+        __pyx_t_23 = PyObject_Length(__pyx_t_10); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+        __pyx_t_10 = PyInt_FromSsize_t(__pyx_t_23); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
-        __pyx_t_2 = PyObject_RichCompare(__pyx_t_12, __pyx_t_10, Py_LT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_11 = PyObject_RichCompare(__pyx_t_12, __pyx_t_10, Py_LT); __Pyx_XGOTREF(__pyx_t_11); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_11); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
         if (__pyx_t_9) {
-          __pyx_t_2 = PyNumber_Add(__pyx_cur_scope->__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_11 = PyNumber_Add(__pyx_cur_scope->__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_11);
+          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_12 = PyObject_RichCompare(__pyx_t_2, __pyx_t_10, Py_LE); __Pyx_XGOTREF(__pyx_t_12); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+          __pyx_t_12 = PyObject_RichCompare(__pyx_t_11, __pyx_t_10, Py_LE); __Pyx_XGOTREF(__pyx_t_12); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_27 = __Pyx_PyObject_IsTrue(__pyx_t_12); if (unlikely(__pyx_t_27 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_27 = __Pyx_PyObject_IsTrue(__pyx_t_12); if (unlikely(__pyx_t_27 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1163; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
           __pyx_t_28 = __pyx_t_27;
         } else {
@@ -48778,57 +50301,57 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
       }
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1115
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1164
  * 
  *                 if len(phrase) < self.max_length and i+spanlen < len(fwords) and pathlen+1 <= self.max_initial_size:
  *                     for alt_id in range(len(fwords[i+spanlen])):             # <<<<<<<<<<<<<<
  *                         new_frontier.append((k, i+spanlen, input_match, alt_id, pathlen + 1, node, phrase, is_shadow_path))
  *                     num_subpatterns = arity
  */
-        __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
-        __pyx_t_10 = PyNumber_Add(__pyx_t_12, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyNumber_Add(__pyx_t_12, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-        __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fwords, __pyx_t_10); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fwords, __pyx_t_10); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-        __pyx_t_23 = PyObject_Length(__pyx_t_12); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_23 = PyObject_Length(__pyx_t_12); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1164; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
         for (__pyx_t_20 = 0; __pyx_t_20 < __pyx_t_23; __pyx_t_20+=1) {
           __pyx_cur_scope->__pyx_v_alt_id = __pyx_t_20;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1116
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1165
  *                 if len(phrase) < self.max_length and i+spanlen < len(fwords) and pathlen+1 <= self.max_initial_size:
  *                     for alt_id in range(len(fwords[i+spanlen])):
  *                         new_frontier.append((k, i+spanlen, input_match, alt_id, pathlen + 1, node, phrase, is_shadow_path))             # <<<<<<<<<<<<<<
  *                     num_subpatterns = arity
  *                     if not is_shadow_path:
  */
-          __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_12);
-          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_2 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
+          __pyx_t_11 = PyNumber_Add(__pyx_t_10, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_11);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt_id); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt_id); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_3 = PyNumber_Add(__pyx_cur_scope->__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_3);
-          __pyx_t_17 = PyTuple_New(8); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_15 = PyNumber_Add(__pyx_cur_scope->__pyx_v_pathlen, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_15);
+          __pyx_t_17 = PyTuple_New(8); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_12);
           __Pyx_GIVEREF(__pyx_t_12);
-          PyTuple_SET_ITEM(__pyx_t_17, 1, __pyx_t_2);
-          __Pyx_GIVEREF(__pyx_t_2);
+          PyTuple_SET_ITEM(__pyx_t_17, 1, __pyx_t_11);
+          __Pyx_GIVEREF(__pyx_t_11);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_input_match);
           PyTuple_SET_ITEM(__pyx_t_17, 2, __pyx_cur_scope->__pyx_v_input_match);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_input_match);
           PyTuple_SET_ITEM(__pyx_t_17, 3, __pyx_t_10);
           __Pyx_GIVEREF(__pyx_t_10);
-          PyTuple_SET_ITEM(__pyx_t_17, 4, __pyx_t_3);
-          __Pyx_GIVEREF(__pyx_t_3);
+          PyTuple_SET_ITEM(__pyx_t_17, 4, __pyx_t_15);
+          __Pyx_GIVEREF(__pyx_t_15);
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_node);
           PyTuple_SET_ITEM(__pyx_t_17, 5, __pyx_cur_scope->__pyx_v_node);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_node);
@@ -48839,14 +50362,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           PyTuple_SET_ITEM(__pyx_t_17, 7, __pyx_cur_scope->__pyx_v_is_shadow_path);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_is_shadow_path);
           __pyx_t_12 = 0;
-          __pyx_t_2 = 0;
+          __pyx_t_11 = 0;
           __pyx_t_10 = 0;
-          __pyx_t_3 = 0;
-          __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_new_frontier, ((PyObject *)__pyx_t_17)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_15 = 0;
+          __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_new_frontier, ((PyObject *)__pyx_t_17)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
         }
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1117
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1166
  *                     for alt_id in range(len(fwords[i+spanlen])):
  *                         new_frontier.append((k, i+spanlen, input_match, alt_id, pathlen + 1, node, phrase, is_shadow_path))
  *                     num_subpatterns = arity             # <<<<<<<<<<<<<<
@@ -48855,18 +50378,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
         __pyx_cur_scope->__pyx_v_num_subpatterns = __pyx_cur_scope->__pyx_v_arity;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1118
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1167
  *                         new_frontier.append((k, i+spanlen, input_match, alt_id, pathlen + 1, node, phrase, is_shadow_path))
  *                     num_subpatterns = arity
  *                     if not is_shadow_path:             # <<<<<<<<<<<<<<
  *                         num_subpatterns = num_subpatterns + 1
  *                     if len(phrase)+1 < self.max_length and arity < self.max_nonterminals and num_subpatterns < self.max_chunks:
  */
-        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_t_21 = (!__pyx_t_9);
         if (__pyx_t_21) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1119
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1168
  *                     num_subpatterns = arity
  *                     if not is_shadow_path:
  *                         num_subpatterns = num_subpatterns + 1             # <<<<<<<<<<<<<<
@@ -48874,18 +50397,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  *                         xcat = sym_setindex(self.category, arity+1)
  */
           __pyx_cur_scope->__pyx_v_num_subpatterns = (__pyx_cur_scope->__pyx_v_num_subpatterns + 1);
-          goto __pyx_L64;
+          goto __pyx_L65;
         }
-        __pyx_L64:;
+        __pyx_L65:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1120
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1169
  *                     if not is_shadow_path:
  *                         num_subpatterns = num_subpatterns + 1
  *                     if len(phrase)+1 < self.max_length and arity < self.max_nonterminals and num_subpatterns < self.max_chunks:             # <<<<<<<<<<<<<<
  *                         xcat = sym_setindex(self.category, arity+1)
  *                         xnode = node.children[xcat]
  */
-        __pyx_t_23 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_23 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_23 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __pyx_t_21 = ((__pyx_t_23 + 1) < __pyx_cur_scope->__pyx_v_self->max_length);
         if (__pyx_t_21) {
           __pyx_t_9 = (__pyx_cur_scope->__pyx_v_arity < __pyx_cur_scope->__pyx_v_self->max_nonterminals);
@@ -48901,7 +50424,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
         }
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1121
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1170
  *                         num_subpatterns = num_subpatterns + 1
  *                     if len(phrase)+1 < self.max_length and arity < self.max_nonterminals and num_subpatterns < self.max_chunks:
  *                         xcat = sym_setindex(self.category, arity+1)             # <<<<<<<<<<<<<<
@@ -48910,39 +50433,39 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  */
           __pyx_cur_scope->__pyx_v_xcat = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, (__pyx_cur_scope->__pyx_v_arity + 1));
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1122
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1171
  *                     if len(phrase)+1 < self.max_length and arity < self.max_nonterminals and num_subpatterns < self.max_chunks:
  *                         xcat = sym_setindex(self.category, arity+1)
  *                         xnode = node.children[xcat]             # <<<<<<<<<<<<<<
  *                         # I put spanlen=1 below
  *                         key = tuple([self.min_gap_size, i, 1, pathlen])
  */
-          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_17, __pyx_cur_scope->__pyx_v_xcat, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_3);
+          __pyx_t_15 = __Pyx_GetItemInt(__pyx_t_17, __pyx_cur_scope->__pyx_v_xcat, sizeof(int), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_15);
           __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_xnode);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_xnode);
-          __Pyx_GIVEREF(__pyx_t_3);
-          __pyx_cur_scope->__pyx_v_xnode = __pyx_t_3;
-          __pyx_t_3 = 0;
+          __Pyx_GIVEREF(__pyx_t_15);
+          __pyx_cur_scope->__pyx_v_xnode = __pyx_t_15;
+          __pyx_t_15 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1124
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1173
  *                         xnode = node.children[xcat]
  *                         # I put spanlen=1 below
  *                         key = tuple([self.min_gap_size, i, 1, pathlen])             # <<<<<<<<<<<<<<
  *                         frontier_nodes = []
  *                         if (key in nodes_isteps_away_buffer):
  */
-          __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_3);
-          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_15 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_15);
+          __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
-          __pyx_t_10 = PyList_New(4); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyList_New(4); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          PyList_SET_ITEM(__pyx_t_10, 0, __pyx_t_3);
-          __Pyx_GIVEREF(__pyx_t_3);
+          PyList_SET_ITEM(__pyx_t_10, 0, __pyx_t_15);
+          __Pyx_GIVEREF(__pyx_t_15);
           PyList_SET_ITEM(__pyx_t_10, 1, __pyx_t_17);
           __Pyx_GIVEREF(__pyx_t_17);
           __Pyx_INCREF(__pyx_int_1);
@@ -48951,9 +50474,9 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __Pyx_INCREF(__pyx_cur_scope->__pyx_v_pathlen);
           PyList_SET_ITEM(__pyx_t_10, 3, __pyx_cur_scope->__pyx_v_pathlen);
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_pathlen);
-          __pyx_t_3 = 0;
+          __pyx_t_15 = 0;
           __pyx_t_17 = 0;
-          __pyx_t_17 = ((PyObject *)PyList_AsTuple(__pyx_t_10)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = ((PyObject *)PyList_AsTuple(__pyx_t_10)); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_17));
           __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
           __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_key));
@@ -48962,14 +50485,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_key = __pyx_t_17;
           __pyx_t_17 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1125
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1174
  *                         # I put spanlen=1 below
  *                         key = tuple([self.min_gap_size, i, 1, pathlen])
  *                         frontier_nodes = []             # <<<<<<<<<<<<<<
  *                         if (key in nodes_isteps_away_buffer):
  *                             frontier_nodes = nodes_isteps_away_buffer[key]
  */
-          __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_17 = PyList_New(0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_17);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
@@ -48977,92 +50500,92 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
           __pyx_cur_scope->__pyx_v_frontier_nodes = ((PyObject *)__pyx_t_17);
           __pyx_t_17 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1126
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1175
  *                         key = tuple([self.min_gap_size, i, 1, pathlen])
  *                         frontier_nodes = []
  *                         if (key in nodes_isteps_away_buffer):             # <<<<<<<<<<<<<<
  *                             frontier_nodes = nodes_isteps_away_buffer[key]
  *                         else:
  */
-          __pyx_t_9 = (__Pyx_PyDict_Contains(((PyObject *)__pyx_cur_scope->__pyx_v_key), ((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = (__Pyx_PyDict_Contains(((PyObject *)__pyx_cur_scope->__pyx_v_key), ((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), Py_EQ)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1127
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1176
  *                         frontier_nodes = []
  *                         if (key in nodes_isteps_away_buffer):
  *                             frontier_nodes = nodes_isteps_away_buffer[key]             # <<<<<<<<<<<<<<
  *                         else:
  *                             frontier_nodes = self.get_all_nodes_isteps_away(self.min_gap_size, i, 1, pathlen, fwords, next_states, reachable_buffer)
  */
-            __pyx_t_17 = __Pyx_PyDict_GetItem(((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), ((PyObject *)__pyx_cur_scope->__pyx_v_key)); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = __Pyx_PyDict_GetItem(((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), ((PyObject *)__pyx_cur_scope->__pyx_v_key)); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
             __Pyx_GIVEREF(__pyx_t_17);
             __pyx_cur_scope->__pyx_v_frontier_nodes = __pyx_t_17;
             __pyx_t_17 = 0;
-            goto __pyx_L66;
+            goto __pyx_L67;
           }
           /*else*/ {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1129
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1178
  *                             frontier_nodes = nodes_isteps_away_buffer[key]
  *                         else:
  *                             frontier_nodes = self.get_all_nodes_isteps_away(self.min_gap_size, i, 1, pathlen, fwords, next_states, reachable_buffer)             # <<<<<<<<<<<<<<
  *                             nodes_isteps_away_buffer[key] = frontier_nodes
  * 
  */
-            __pyx_t_17 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s_123); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s_123); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->min_gap_size); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_2 = PyTuple_New(7); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_10);
+            __pyx_t_15 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_15);
+            __pyx_t_11 = PyTuple_New(7); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_11);
+            PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
-            PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_3);
-            __Pyx_GIVEREF(__pyx_t_3);
+            PyTuple_SET_ITEM(__pyx_t_11, 1, __pyx_t_15);
+            __Pyx_GIVEREF(__pyx_t_15);
             __Pyx_INCREF(__pyx_int_1);
-            PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_int_1);
+            PyTuple_SET_ITEM(__pyx_t_11, 2, __pyx_int_1);
             __Pyx_GIVEREF(__pyx_int_1);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_pathlen);
-            PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_cur_scope->__pyx_v_pathlen);
+            PyTuple_SET_ITEM(__pyx_t_11, 3, __pyx_cur_scope->__pyx_v_pathlen);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_pathlen);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fwords);
-            PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_cur_scope->__pyx_v_fwords);
+            PyTuple_SET_ITEM(__pyx_t_11, 4, __pyx_cur_scope->__pyx_v_fwords);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_fwords);
             __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_next_states));
-            PyTuple_SET_ITEM(__pyx_t_2, 5, ((PyObject *)__pyx_cur_scope->__pyx_v_next_states));
+            PyTuple_SET_ITEM(__pyx_t_11, 5, ((PyObject *)__pyx_cur_scope->__pyx_v_next_states));
             __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_next_states));
             __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_reachable_buffer));
-            PyTuple_SET_ITEM(__pyx_t_2, 6, ((PyObject *)__pyx_cur_scope->__pyx_v_reachable_buffer));
+            PyTuple_SET_ITEM(__pyx_t_11, 6, ((PyObject *)__pyx_cur_scope->__pyx_v_reachable_buffer));
             __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_reachable_buffer));
             __pyx_t_10 = 0;
-            __pyx_t_3 = 0;
-            __pyx_t_3 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_3);
+            __pyx_t_15 = 0;
+            __pyx_t_15 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_15);
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-            __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+            __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_frontier_nodes);
-            __Pyx_GIVEREF(__pyx_t_3);
-            __pyx_cur_scope->__pyx_v_frontier_nodes = __pyx_t_3;
-            __pyx_t_3 = 0;
+            __Pyx_GIVEREF(__pyx_t_15);
+            __pyx_cur_scope->__pyx_v_frontier_nodes = __pyx_t_15;
+            __pyx_t_15 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1130
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1179
  *                         else:
  *                             frontier_nodes = self.get_all_nodes_isteps_away(self.min_gap_size, i, 1, pathlen, fwords, next_states, reachable_buffer)
  *                             nodes_isteps_away_buffer[key] = frontier_nodes             # <<<<<<<<<<<<<<
  * 
  *                         for (i, alt, pathlen) in frontier_nodes:
  */
-            if (PyDict_SetItem(((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), ((PyObject *)__pyx_cur_scope->__pyx_v_key), __pyx_cur_scope->__pyx_v_frontier_nodes) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (PyDict_SetItem(((PyObject *)__pyx_cur_scope->__pyx_v_nodes_isteps_away_buffer), ((PyObject *)__pyx_cur_scope->__pyx_v_key), __pyx_cur_scope->__pyx_v_frontier_nodes) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1179; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
-          __pyx_L66:;
+          __pyx_L67:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1132
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1181
  *                             nodes_isteps_away_buffer[key] = frontier_nodes
  * 
  *                         for (i, alt, pathlen) in frontier_nodes:             # <<<<<<<<<<<<<<
@@ -49070,41 +50593,41 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
  *             frontier = new_frontier
  */
           if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_frontier_nodes) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_frontier_nodes)) {
-            __pyx_t_3 = __pyx_cur_scope->__pyx_v_frontier_nodes; __Pyx_INCREF(__pyx_t_3); __pyx_t_23 = 0;
+            __pyx_t_15 = __pyx_cur_scope->__pyx_v_frontier_nodes; __Pyx_INCREF(__pyx_t_15); __pyx_t_23 = 0;
             __pyx_t_22 = NULL;
           } else {
-            __pyx_t_23 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_frontier_nodes); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_22 = Py_TYPE(__pyx_t_3)->tp_iternext;
+            __pyx_t_23 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_frontier_nodes); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_15);
+            __pyx_t_22 = Py_TYPE(__pyx_t_15)->tp_iternext;
           }
           for (;;) {
-            if (!__pyx_t_22 && PyList_CheckExact(__pyx_t_3)) {
-              if (__pyx_t_23 >= PyList_GET_SIZE(__pyx_t_3)) break;
+            if (!__pyx_t_22 && PyList_CheckExact(__pyx_t_15)) {
+              if (__pyx_t_23 >= PyList_GET_SIZE(__pyx_t_15)) break;
               #if CYTHON_COMPILING_IN_CPYTHON
-              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_23); __Pyx_INCREF(__pyx_t_2); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_11 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_23); __Pyx_INCREF(__pyx_t_11); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #else
-              __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_11 = PySequence_ITEM(__pyx_t_15, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
-            } else if (!__pyx_t_22 && PyTuple_CheckExact(__pyx_t_3)) {
-              if (__pyx_t_23 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+            } else if (!__pyx_t_22 && PyTuple_CheckExact(__pyx_t_15)) {
+              if (__pyx_t_23 >= PyTuple_GET_SIZE(__pyx_t_15)) break;
               #if CYTHON_COMPILING_IN_CPYTHON
-              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_23); __Pyx_INCREF(__pyx_t_2); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_11 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_23); __Pyx_INCREF(__pyx_t_11); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #else
-              __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_11 = PySequence_ITEM(__pyx_t_15, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
             } else {
-              __pyx_t_2 = __pyx_t_22(__pyx_t_3);
-              if (unlikely(!__pyx_t_2)) {
+              __pyx_t_11 = __pyx_t_22(__pyx_t_15);
+              if (unlikely(!__pyx_t_11)) {
                 if (PyErr_Occurred()) {
                   if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 break;
               }
-              __Pyx_GOTREF(__pyx_t_2);
+              __Pyx_GOTREF(__pyx_t_11);
             }
-            if ((likely(PyTuple_CheckExact(__pyx_t_2))) || (PyList_CheckExact(__pyx_t_2))) {
-              PyObject* sequence = __pyx_t_2;
+            if ((likely(PyTuple_CheckExact(__pyx_t_11))) || (PyList_CheckExact(__pyx_t_11))) {
+              PyObject* sequence = __pyx_t_11;
               #if CYTHON_COMPILING_IN_CPYTHON
               Py_ssize_t size = Py_SIZE(sequence);
               #else
@@ -49113,7 +50636,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               if (unlikely(size != 3)) {
                 if (size > 3) __Pyx_RaiseTooManyValuesError(3);
                 else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               #if CYTHON_COMPILING_IN_CPYTHON
               if (likely(PyTuple_CheckExact(sequence))) {
@@ -49129,38 +50652,38 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
               __Pyx_INCREF(__pyx_t_10);
               __Pyx_INCREF(__pyx_t_12);
               #else
-              __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __pyx_t_10 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __pyx_t_12 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_12 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
-              __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+              __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
             } else
             {
               Py_ssize_t index = -1;
-              __pyx_t_8 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_8);
-              __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-              __pyx_t_19 = Py_TYPE(__pyx_t_8)->tp_iternext;
-              index = 0; __pyx_t_17 = __pyx_t_19(__pyx_t_8); if (unlikely(!__pyx_t_17)) goto __pyx_L69_unpacking_failed;
+              __pyx_t_3 = PyObject_GetIter(__pyx_t_11); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_3);
+              __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+              __pyx_t_19 = Py_TYPE(__pyx_t_3)->tp_iternext;
+              index = 0; __pyx_t_17 = __pyx_t_19(__pyx_t_3); if (unlikely(!__pyx_t_17)) goto __pyx_L70_unpacking_failed;
               __Pyx_GOTREF(__pyx_t_17);
-              index = 1; __pyx_t_10 = __pyx_t_19(__pyx_t_8); if (unlikely(!__pyx_t_10)) goto __pyx_L69_unpacking_failed;
+              index = 1; __pyx_t_10 = __pyx_t_19(__pyx_t_3); if (unlikely(!__pyx_t_10)) goto __pyx_L70_unpacking_failed;
               __Pyx_GOTREF(__pyx_t_10);
-              index = 2; __pyx_t_12 = __pyx_t_19(__pyx_t_8); if (unlikely(!__pyx_t_12)) goto __pyx_L69_unpacking_failed;
+              index = 2; __pyx_t_12 = __pyx_t_19(__pyx_t_3); if (unlikely(!__pyx_t_12)) goto __pyx_L70_unpacking_failed;
               __Pyx_GOTREF(__pyx_t_12);
-              if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_8), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_3), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_19 = NULL;
-              __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-              goto __pyx_L70_unpacking_done;
-              __pyx_L69_unpacking_failed:;
-              __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+              __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+              goto __pyx_L71_unpacking_done;
+              __pyx_L70_unpacking_failed:;
+              __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
               __pyx_t_19 = NULL;
               if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __pyx_L70_unpacking_done:;
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_L71_unpacking_done:;
             }
-            __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_20 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_20 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
-            __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_10); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_10); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
             __pyx_cur_scope->__pyx_v_i = __pyx_t_20;
             __pyx_cur_scope->__pyx_v_alt = __pyx_t_7;
@@ -49170,85 +50693,85 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
             __pyx_cur_scope->__pyx_v_pathlen = __pyx_t_12;
             __pyx_t_12 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1133
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1182
  * 
  *                         for (i, alt, pathlen) in frontier_nodes:
  *                             new_frontier.append((k, i, input_match + (i,), alt, pathlen, xnode, phrase +(xcat,), is_shadow_path))             # <<<<<<<<<<<<<<
  *             frontier = new_frontier
  * 
  */
-            __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_11 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_k); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_11);
+            __pyx_t_12 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_12);
-            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_i); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyTuple_New(1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
             PyTuple_SET_ITEM(__pyx_t_17, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
             __pyx_t_10 = 0;
-            __pyx_t_10 = PyNumber_Add(__pyx_cur_scope->__pyx_v_input_match, ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyNumber_Add(__pyx_cur_scope->__pyx_v_input_match, ((PyObject *)__pyx_t_17)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_DECREF(((PyObject *)__pyx_t_17)); __pyx_t_17 = 0;
-            __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_17 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_alt); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_17);
-            __pyx_t_8 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_xcat); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_xcat); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_3);
+            __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_8);
-            __pyx_t_16 = PyTuple_New(1); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_16);
-            PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_8);
-            __Pyx_GIVEREF(__pyx_t_8);
-            __pyx_t_8 = 0;
-            __pyx_t_8 = PyNumber_Add(__pyx_cur_scope->__pyx_v_phrase, ((PyObject *)__pyx_t_16)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_3);
+            __Pyx_GIVEREF(__pyx_t_3);
+            __pyx_t_3 = 0;
+            __pyx_t_3 = PyNumber_Add(__pyx_cur_scope->__pyx_v_phrase, ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_3);
+            __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+            __pyx_t_8 = PyTuple_New(8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_8);
-            __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
-            __pyx_t_16 = PyTuple_New(8); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_GOTREF(__pyx_t_16);
-            PyTuple_SET_ITEM(__pyx_t_16, 0, __pyx_t_2);
-            __Pyx_GIVEREF(__pyx_t_2);
-            PyTuple_SET_ITEM(__pyx_t_16, 1, __pyx_t_12);
+            PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_11);
+            __Pyx_GIVEREF(__pyx_t_11);
+            PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_12);
             __Pyx_GIVEREF(__pyx_t_12);
-            PyTuple_SET_ITEM(__pyx_t_16, 2, __pyx_t_10);
+            PyTuple_SET_ITEM(__pyx_t_8, 2, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
-            PyTuple_SET_ITEM(__pyx_t_16, 3, __pyx_t_17);
+            PyTuple_SET_ITEM(__pyx_t_8, 3, __pyx_t_17);
             __Pyx_GIVEREF(__pyx_t_17);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_pathlen);
-            PyTuple_SET_ITEM(__pyx_t_16, 4, __pyx_cur_scope->__pyx_v_pathlen);
+            PyTuple_SET_ITEM(__pyx_t_8, 4, __pyx_cur_scope->__pyx_v_pathlen);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_pathlen);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_xnode);
-            PyTuple_SET_ITEM(__pyx_t_16, 5, __pyx_cur_scope->__pyx_v_xnode);
+            PyTuple_SET_ITEM(__pyx_t_8, 5, __pyx_cur_scope->__pyx_v_xnode);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_xnode);
-            PyTuple_SET_ITEM(__pyx_t_16, 6, __pyx_t_8);
-            __Pyx_GIVEREF(__pyx_t_8);
+            PyTuple_SET_ITEM(__pyx_t_8, 6, __pyx_t_3);
+            __Pyx_GIVEREF(__pyx_t_3);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_is_shadow_path);
-            PyTuple_SET_ITEM(__pyx_t_16, 7, __pyx_cur_scope->__pyx_v_is_shadow_path);
+            PyTuple_SET_ITEM(__pyx_t_8, 7, __pyx_cur_scope->__pyx_v_is_shadow_path);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_is_shadow_path);
-            __pyx_t_2 = 0;
+            __pyx_t_11 = 0;
             __pyx_t_12 = 0;
             __pyx_t_10 = 0;
             __pyx_t_17 = 0;
-            __pyx_t_8 = 0;
-            __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_new_frontier, ((PyObject *)__pyx_t_16)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __Pyx_DECREF(((PyObject *)__pyx_t_16)); __pyx_t_16 = 0;
+            __pyx_t_3 = 0;
+            __pyx_t_13 = PyList_Append(__pyx_cur_scope->__pyx_v_new_frontier, ((PyObject *)__pyx_t_8)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
           }
-          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-          goto __pyx_L65;
+          __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+          goto __pyx_L66;
         }
-        __pyx_L65:;
-        goto __pyx_L61;
+        __pyx_L66:;
+        goto __pyx_L62;
       }
-      __pyx_L61:;
+      __pyx_L62:;
       __pyx_L19_continue:;
     }
     __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1134
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1183
  *                         for (i, alt, pathlen) in frontier_nodes:
  *                             new_frontier.append((k, i, input_match + (i,), alt, pathlen, xnode, phrase +(xcat,), is_shadow_path))
  *             frontier = new_frontier             # <<<<<<<<<<<<<<
  * 
- *         stop_time = monitor_cpu()
+ *         # Online rule extraction and scoring
  */
     __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_new_frontier));
     __Pyx_GOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_frontier));
@@ -49257,129 +50780,634 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
     __pyx_cur_scope->__pyx_v_frontier = __pyx_cur_scope->__pyx_v_new_frontier;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1136
- *             frontier = new_frontier
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1186
+ * 
+ *         # Online rule extraction and scoring
+ *         if self.online:             # <<<<<<<<<<<<<<
+ *             f_syms = tuple(word[0][0] for word in fwords)
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ */
+  if (__pyx_cur_scope->__pyx_v_self->online) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1187
+ *         # Online rule extraction and scoring
+ *         if self.online:
+ *             f_syms = tuple(word[0][0] for word in fwords)             # <<<<<<<<<<<<<<
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ *                 spanlen = (lex_j - lex_i) + 1
+ */
+    __pyx_t_14 = __pyx_pf_3_sa_23HieroCachingRuleFactory_5input_2genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_14);
+    __Pyx_GIVEREF(__pyx_t_14);
+    __pyx_t_14 = 0;
+    __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_GIVEREF(__pyx_t_14);
+    __pyx_cur_scope->__pyx_v_f_syms = ((PyObject*)__pyx_t_14);
+    __pyx_t_14 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1188
+ *         if self.online:
+ *             f_syms = tuple(word[0][0] for word in fwords)
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):             # <<<<<<<<<<<<<<
+ *                 spanlen = (lex_j - lex_i) + 1
+ *                 if not sym_isvar(f[0]):
+ */
+    __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__get_f_phrases); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_f_syms));
+    PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_cur_scope->__pyx_v_f_syms));
+    __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_f_syms));
+    __pyx_t_8 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    if (PyList_CheckExact(__pyx_t_8) || PyTuple_CheckExact(__pyx_t_8)) {
+      __pyx_t_15 = __pyx_t_8; __Pyx_INCREF(__pyx_t_15); __pyx_t_2 = 0;
+      __pyx_t_22 = NULL;
+    } else {
+      __pyx_t_2 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_t_8); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_22 = Py_TYPE(__pyx_t_15)->tp_iternext;
+    }
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    for (;;) {
+      if (!__pyx_t_22 && PyList_CheckExact(__pyx_t_15)) {
+        if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_15)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_8 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_2); __Pyx_INCREF(__pyx_t_8); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_8 = PySequence_ITEM(__pyx_t_15, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_22 && PyTuple_CheckExact(__pyx_t_15)) {
+        if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_15)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_8 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_2); __Pyx_INCREF(__pyx_t_8); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_8 = PySequence_ITEM(__pyx_t_15, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_8 = __pyx_t_22(__pyx_t_15);
+        if (unlikely(!__pyx_t_8)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_8);
+      }
+      if ((likely(PyTuple_CheckExact(__pyx_t_8))) || (PyList_CheckExact(__pyx_t_8))) {
+        PyObject* sequence = __pyx_t_8;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        Py_ssize_t size = Py_SIZE(sequence);
+        #else
+        Py_ssize_t size = PySequence_Size(sequence);
+        #endif
+        if (unlikely(size != 3)) {
+          if (size > 3) __Pyx_RaiseTooManyValuesError(3);
+          else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+          {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        #if CYTHON_COMPILING_IN_CPYTHON
+        if (likely(PyTuple_CheckExact(sequence))) {
+          __pyx_t_14 = PyTuple_GET_ITEM(sequence, 0); 
+          __pyx_t_3 = PyTuple_GET_ITEM(sequence, 1); 
+          __pyx_t_17 = PyTuple_GET_ITEM(sequence, 2); 
+        } else {
+          __pyx_t_14 = PyList_GET_ITEM(sequence, 0); 
+          __pyx_t_3 = PyList_GET_ITEM(sequence, 1); 
+          __pyx_t_17 = PyList_GET_ITEM(sequence, 2); 
+        }
+        __Pyx_INCREF(__pyx_t_14);
+        __Pyx_INCREF(__pyx_t_3);
+        __Pyx_INCREF(__pyx_t_17);
+        #else
+        __pyx_t_14 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      } else
+      {
+        Py_ssize_t index = -1;
+        __pyx_t_10 = PyObject_GetIter(__pyx_t_8); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_10);
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+        __pyx_t_19 = Py_TYPE(__pyx_t_10)->tp_iternext;
+        index = 0; __pyx_t_14 = __pyx_t_19(__pyx_t_10); if (unlikely(!__pyx_t_14)) goto __pyx_L75_unpacking_failed;
+        __Pyx_GOTREF(__pyx_t_14);
+        index = 1; __pyx_t_3 = __pyx_t_19(__pyx_t_10); if (unlikely(!__pyx_t_3)) goto __pyx_L75_unpacking_failed;
+        __Pyx_GOTREF(__pyx_t_3);
+        index = 2; __pyx_t_17 = __pyx_t_19(__pyx_t_10); if (unlikely(!__pyx_t_17)) goto __pyx_L75_unpacking_failed;
+        __Pyx_GOTREF(__pyx_t_17);
+        if (__Pyx_IternextUnpackEndCheck(__pyx_t_19(__pyx_t_10), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_19 = NULL;
+        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+        goto __pyx_L76_unpacking_done;
+        __pyx_L75_unpacking_failed:;
+        __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+        __pyx_t_19 = NULL;
+        if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_L76_unpacking_done:;
+      }
+      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_f);
+      __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_f);
+      __Pyx_GIVEREF(__pyx_t_14);
+      __pyx_cur_scope->__pyx_v_f = __pyx_t_14;
+      __pyx_t_14 = 0;
+      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_lex_i);
+      __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_lex_i);
+      __Pyx_GIVEREF(__pyx_t_3);
+      __pyx_cur_scope->__pyx_v_lex_i = __pyx_t_3;
+      __pyx_t_3 = 0;
+      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_lex_j);
+      __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_lex_j);
+      __Pyx_GIVEREF(__pyx_t_17);
+      __pyx_cur_scope->__pyx_v_lex_j = __pyx_t_17;
+      __pyx_t_17 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1189
+ *             f_syms = tuple(word[0][0] for word in fwords)
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ *                 spanlen = (lex_j - lex_i) + 1             # <<<<<<<<<<<<<<
+ *                 if not sym_isvar(f[0]):
+ *                     spanlen += 1
+ */
+      __pyx_t_8 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_lex_j, __pyx_cur_scope->__pyx_v_lex_i); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_17 = PyNumber_Add(__pyx_t_8, __pyx_int_1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_17);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_spanlen);
+      __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_spanlen);
+      __Pyx_GIVEREF(__pyx_t_17);
+      __pyx_cur_scope->__pyx_v_spanlen = __pyx_t_17;
+      __pyx_t_17 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1190
+ *             for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+ *                 spanlen = (lex_j - lex_i) + 1
+ *                 if not sym_isvar(f[0]):             # <<<<<<<<<<<<<<
+ *                     spanlen += 1
+ *                 if not sym_isvar(f[1]):
+ */
+      __pyx_t_17 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_f, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_17);
+      __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
+      __pyx_t_9 = (!__pyx_f_3_sa_sym_isvar(__pyx_t_7));
+      if (__pyx_t_9) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1191
+ *                 spanlen = (lex_j - lex_i) + 1
+ *                 if not sym_isvar(f[0]):
+ *                     spanlen += 1             # <<<<<<<<<<<<<<
+ *                 if not sym_isvar(f[1]):
+ *                     spanlen += 1
+ */
+        __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_cur_scope->__pyx_v_spanlen, __pyx_int_1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_17);
+        __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_spanlen);
+        __Pyx_DECREF(__pyx_cur_scope->__pyx_v_spanlen);
+        __Pyx_GIVEREF(__pyx_t_17);
+        __pyx_cur_scope->__pyx_v_spanlen = __pyx_t_17;
+        __pyx_t_17 = 0;
+        goto __pyx_L77;
+      }
+      __pyx_L77:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1192
+ *                 if not sym_isvar(f[0]):
+ *                     spanlen += 1
+ *                 if not sym_isvar(f[1]):             # <<<<<<<<<<<<<<
+ *                     spanlen += 1
+ *                 for e in self.phrases_fe.get(f, ()):
+ */
+      __pyx_t_17 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_f, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_17) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_17);
+      __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_17); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
+      __pyx_t_9 = (!__pyx_f_3_sa_sym_isvar(__pyx_t_7));
+      if (__pyx_t_9) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1193
+ *                     spanlen += 1
+ *                 if not sym_isvar(f[1]):
+ *                     spanlen += 1             # <<<<<<<<<<<<<<
+ *                 for e in self.phrases_fe.get(f, ()):
+ *                     if (f, e) not in seen_phrases:
+ */
+        __pyx_t_17 = PyNumber_InPlaceAdd(__pyx_cur_scope->__pyx_v_spanlen, __pyx_int_1); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_17);
+        __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_spanlen);
+        __Pyx_DECREF(__pyx_cur_scope->__pyx_v_spanlen);
+        __Pyx_GIVEREF(__pyx_t_17);
+        __pyx_cur_scope->__pyx_v_spanlen = __pyx_t_17;
+        __pyx_t_17 = 0;
+        goto __pyx_L78;
+      }
+      __pyx_L78:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1194
+ *                 if not sym_isvar(f[1]):
+ *                     spanlen += 1
+ *                 for e in self.phrases_fe.get(f, ()):             # <<<<<<<<<<<<<<
+ *                     if (f, e) not in seen_phrases:
+ *                         # Don't add multiple instances of the same phrase here
+ */
+      __pyx_t_17 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_self->phrases_fe, __pyx_n_s__get); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_17);
+      __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+      PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_cur_scope->__pyx_v_f);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+      __Pyx_INCREF(((PyObject *)__pyx_empty_tuple));
+      PyTuple_SET_ITEM(__pyx_t_8, 1, ((PyObject *)__pyx_empty_tuple));
+      __Pyx_GIVEREF(((PyObject *)__pyx_empty_tuple));
+      __pyx_t_3 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+      if (PyList_CheckExact(__pyx_t_3) || PyTuple_CheckExact(__pyx_t_3)) {
+        __pyx_t_8 = __pyx_t_3; __Pyx_INCREF(__pyx_t_8); __pyx_t_23 = 0;
+        __pyx_t_29 = NULL;
+      } else {
+        __pyx_t_23 = -1; __pyx_t_8 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __pyx_t_29 = Py_TYPE(__pyx_t_8)->tp_iternext;
+      }
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      for (;;) {
+        if (!__pyx_t_29 && PyList_CheckExact(__pyx_t_8)) {
+          if (__pyx_t_23 >= PyList_GET_SIZE(__pyx_t_8)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_3 = PyList_GET_ITEM(__pyx_t_8, __pyx_t_23); __Pyx_INCREF(__pyx_t_3); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_3 = PySequence_ITEM(__pyx_t_8, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else if (!__pyx_t_29 && PyTuple_CheckExact(__pyx_t_8)) {
+          if (__pyx_t_23 >= PyTuple_GET_SIZE(__pyx_t_8)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_8, __pyx_t_23); __Pyx_INCREF(__pyx_t_3); __pyx_t_23++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_3 = PySequence_ITEM(__pyx_t_8, __pyx_t_23); __pyx_t_23++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else {
+          __pyx_t_3 = __pyx_t_29(__pyx_t_8);
+          if (unlikely(!__pyx_t_3)) {
+            if (PyErr_Occurred()) {
+              if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+              else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            }
+            break;
+          }
+          __Pyx_GOTREF(__pyx_t_3);
+        }
+        __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_e);
+        __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_e);
+        __Pyx_GIVEREF(__pyx_t_3);
+        __pyx_cur_scope->__pyx_v_e = __pyx_t_3;
+        __pyx_t_3 = 0;
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1195
+ *                     spanlen += 1
+ *                 for e in self.phrases_fe.get(f, ()):
+ *                     if (f, e) not in seen_phrases:             # <<<<<<<<<<<<<<
+ *                         # Don't add multiple instances of the same phrase here
+ *                         seen_phrases.add((f, e))
+ */
+        __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+        PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_f);
+        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+        __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+        PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_cur_scope->__pyx_v_e);
+        __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+        __pyx_t_9 = (__Pyx_PySequence_Contains(((PyObject *)__pyx_t_3), ((PyObject *)__pyx_cur_scope->__pyx_v_seen_phrases), Py_NE)); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+        if (__pyx_t_9) {
+
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1197
+ *                     if (f, e) not in seen_phrases:
+ *                         # Don't add multiple instances of the same phrase here
+ *                         seen_phrases.add((f, e))             # <<<<<<<<<<<<<<
+ *                         scores = self.scorer.score(FeatureContext(
+ *                                 f, e, 0, 0, 0,
+ */
+          __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_3);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+          PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_f);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+          PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_cur_scope->__pyx_v_e);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+          __pyx_t_13 = PySet_Add(__pyx_cur_scope->__pyx_v_seen_phrases, ((PyObject *)__pyx_t_3)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1198
+ *                         # Don't add multiple instances of the same phrase here
+ *                         seen_phrases.add((f, e))
+ *                         scores = self.scorer.score(FeatureContext(             # <<<<<<<<<<<<<<
+ *                                 f, e, 0, 0, 0,
+ *                                 spanlen, None, None,
+ */
+          __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__FeatureContext); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_3);
+
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1203
+ *                                 fwords, self.fda, self.eda,
+ *                                 meta,
+ *                                 self.online_ctx_lookup(f, e)))             # <<<<<<<<<<<<<<
+ *                         alignment = self.phrases_al[f][e]
+ *                         yield Rule(self.category, f, e, scores, alignment)
+ */
+          __pyx_t_17 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__online_ctx_lookup); if (unlikely(!__pyx_t_17)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_17);
+          __pyx_t_14 = PyTuple_New(2); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_14);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+          PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_cur_scope->__pyx_v_f);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+          PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_cur_scope->__pyx_v_e);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+          __pyx_t_10 = PyObject_Call(__pyx_t_17, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __Pyx_DECREF(__pyx_t_17); __pyx_t_17 = 0;
+          __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+          __pyx_t_14 = PyTuple_New(13); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_14);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+          PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_cur_scope->__pyx_v_f);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+          PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_cur_scope->__pyx_v_e);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+          __Pyx_INCREF(__pyx_int_0);
+          PyTuple_SET_ITEM(__pyx_t_14, 2, __pyx_int_0);
+          __Pyx_GIVEREF(__pyx_int_0);
+          __Pyx_INCREF(__pyx_int_0);
+          PyTuple_SET_ITEM(__pyx_t_14, 3, __pyx_int_0);
+          __Pyx_GIVEREF(__pyx_int_0);
+          __Pyx_INCREF(__pyx_int_0);
+          PyTuple_SET_ITEM(__pyx_t_14, 4, __pyx_int_0);
+          __Pyx_GIVEREF(__pyx_int_0);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_spanlen);
+          PyTuple_SET_ITEM(__pyx_t_14, 5, __pyx_cur_scope->__pyx_v_spanlen);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_spanlen);
+          __Pyx_INCREF(Py_None);
+          PyTuple_SET_ITEM(__pyx_t_14, 6, Py_None);
+          __Pyx_GIVEREF(Py_None);
+          __Pyx_INCREF(Py_None);
+          PyTuple_SET_ITEM(__pyx_t_14, 7, Py_None);
+          __Pyx_GIVEREF(Py_None);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_fwords);
+          PyTuple_SET_ITEM(__pyx_t_14, 8, __pyx_cur_scope->__pyx_v_fwords);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_fwords);
+          __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
+          PyTuple_SET_ITEM(__pyx_t_14, 9, ((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
+          __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->fda));
+          __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
+          PyTuple_SET_ITEM(__pyx_t_14, 10, ((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
+          __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_self->eda));
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_meta);
+          PyTuple_SET_ITEM(__pyx_t_14, 11, __pyx_cur_scope->__pyx_v_meta);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_meta);
+          PyTuple_SET_ITEM(__pyx_t_14, 12, __pyx_t_10);
+          __Pyx_GIVEREF(__pyx_t_10);
+          __pyx_t_10 = 0;
+          __pyx_t_10 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+          __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+          __pyx_t_14 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_Scorer *)__pyx_cur_scope->__pyx_v_self->scorer->__pyx_vtab)->score(__pyx_cur_scope->__pyx_v_self->scorer, __pyx_t_10)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_14);
+          __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+          __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+          __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+          __Pyx_GIVEREF(__pyx_t_14);
+          __pyx_cur_scope->__pyx_v_scores = ((struct __pyx_obj_3_sa_FeatureVector *)__pyx_t_14);
+          __pyx_t_14 = 0;
+
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1204
+ *                                 meta,
+ *                                 self.online_ctx_lookup(f, e)))
+ *                         alignment = self.phrases_al[f][e]             # <<<<<<<<<<<<<<
+ *                         yield Rule(self.category, f, e, scores, alignment)
+ * 
+ */
+          __pyx_t_14 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_self->phrases_al, __pyx_cur_scope->__pyx_v_f); if (!__pyx_t_14) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1204; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_14);
+          __pyx_t_10 = PyObject_GetItem(__pyx_t_14, __pyx_cur_scope->__pyx_v_e); if (!__pyx_t_10) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1204; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+          __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_alignment);
+          __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_alignment);
+          __Pyx_GIVEREF(__pyx_t_10);
+          __pyx_cur_scope->__pyx_v_alignment = __pyx_t_10;
+          __pyx_t_10 = 0;
+
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1205
+ *                                 self.online_ctx_lookup(f, e)))
+ *                         alignment = self.phrases_al[f][e]
+ *                         yield Rule(self.category, f, e, scores, alignment)             # <<<<<<<<<<<<<<
+ * 
+ *         stop_time = monitor_cpu()
+ */
+          __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->category); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __pyx_t_14 = PyTuple_New(5); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_14);
+          PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_10);
+          __Pyx_GIVEREF(__pyx_t_10);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f);
+          PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_cur_scope->__pyx_v_f);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f);
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e);
+          PyTuple_SET_ITEM(__pyx_t_14, 2, __pyx_cur_scope->__pyx_v_e);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
+          __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+          PyTuple_SET_ITEM(__pyx_t_14, 3, ((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+          __Pyx_GIVEREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
+          __Pyx_INCREF(__pyx_cur_scope->__pyx_v_alignment);
+          PyTuple_SET_ITEM(__pyx_t_14, 4, __pyx_cur_scope->__pyx_v_alignment);
+          __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_alignment);
+          __pyx_t_10 = 0;
+          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Rule)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+          __pyx_r = __pyx_t_10;
+          __pyx_t_10 = 0;
+          __pyx_cur_scope->__pyx_t_0 = __pyx_t_2;
+          __Pyx_XGIVEREF(__pyx_t_8);
+          __pyx_cur_scope->__pyx_t_3 = __pyx_t_8;
+          __Pyx_XGIVEREF(__pyx_t_15);
+          __pyx_cur_scope->__pyx_t_4 = __pyx_t_15;
+          __pyx_cur_scope->__pyx_t_10 = __pyx_t_22;
+          __pyx_cur_scope->__pyx_t_1 = __pyx_t_23;
+          __pyx_cur_scope->__pyx_t_11 = __pyx_t_29;
+          __Pyx_XGIVEREF(__pyx_r);
+          __Pyx_RefNannyFinishContext();
+          /* return from generator, yielding value */
+          __pyx_generator->resume_label = 2;
+          return __pyx_r;
+          __pyx_L82_resume_from_yield:;
+          __pyx_t_2 = __pyx_cur_scope->__pyx_t_0;
+          __pyx_t_8 = __pyx_cur_scope->__pyx_t_3;
+          __pyx_cur_scope->__pyx_t_3 = 0;
+          __Pyx_XGOTREF(__pyx_t_8);
+          __pyx_t_15 = __pyx_cur_scope->__pyx_t_4;
+          __pyx_cur_scope->__pyx_t_4 = 0;
+          __Pyx_XGOTREF(__pyx_t_15);
+          __pyx_t_22 = __pyx_cur_scope->__pyx_t_10;
+          __pyx_t_23 = __pyx_cur_scope->__pyx_t_1;
+          __pyx_t_29 = __pyx_cur_scope->__pyx_t_11;
+          if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          goto __pyx_L81;
+        }
+        __pyx_L81:;
+      }
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    }
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    goto __pyx_L72;
+  }
+  __pyx_L72:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1207
+ *                         yield Rule(self.category, f, e, scores, alignment)
  * 
  *         stop_time = monitor_cpu()             # <<<<<<<<<<<<<<
  *         logger.info("Total time for rule lookup, extraction, and scoring = %f seconds", (stop_time - start_time))
  *         gc.collect()
  */
-  __pyx_t_14 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_14);
-  __pyx_t_3 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-  __Pyx_GIVEREF(__pyx_t_3);
-  __pyx_cur_scope->__pyx_v_stop_time = __pyx_t_3;
-  __pyx_t_3 = 0;
+  __pyx_t_15 = __Pyx_GetName(__pyx_m, __pyx_n_s__monitor_cpu); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_15);
+  __pyx_t_8 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+  __Pyx_GIVEREF(__pyx_t_8);
+  __pyx_cur_scope->__pyx_v_stop_time = __pyx_t_8;
+  __pyx_t_8 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1137
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1208
  * 
  *         stop_time = monitor_cpu()
  *         logger.info("Total time for rule lookup, extraction, and scoring = %f seconds", (stop_time - start_time))             # <<<<<<<<<<<<<<
  *         gc.collect()
  *         logger.info("    Extract time = %f seconds", self.extract_time)
  */
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_14 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_14);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_start_time); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_16 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_stop_time, __pyx_t_3); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __pyx_t_15 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__info); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_15);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __pyx_t_8 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_start_time); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __pyx_t_10 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_stop_time, __pyx_t_8); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_124));
-  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_124));
+  PyTuple_SET_ITEM(__pyx_t_8, 0, ((PyObject *)__pyx_kp_s_124));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_124));
-  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_16);
-  __Pyx_GIVEREF(__pyx_t_16);
-  __pyx_t_16 = 0;
-  __pyx_t_16 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
+  PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_10);
+  __Pyx_GIVEREF(__pyx_t_10);
+  __pyx_t_10 = 0;
+  __pyx_t_10 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1138
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1209
  *         stop_time = monitor_cpu()
  *         logger.info("Total time for rule lookup, extraction, and scoring = %f seconds", (stop_time - start_time))
  *         gc.collect()             # <<<<<<<<<<<<<<
  *         logger.info("    Extract time = %f seconds", self.extract_time)
  *         logger.info("    Intersect time = %f seconds", self.intersect_time)
  */
-  __pyx_t_16 = __Pyx_GetName(__pyx_m, __pyx_n_s__gc); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __pyx_t_3 = PyObject_GetAttr(__pyx_t_16, __pyx_n_s__collect); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-  __pyx_t_16 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
+  __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__gc); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __pyx_t_8 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__collect); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+  __pyx_t_10 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1139
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1210
  *         logger.info("Total time for rule lookup, extraction, and scoring = %f seconds", (stop_time - start_time))
  *         gc.collect()
  *         logger.info("    Extract time = %f seconds", self.extract_time)             # <<<<<<<<<<<<<<
  *         logger.info("    Intersect time = %f seconds", self.intersect_time)
  * 
  */
-  __pyx_t_16 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __pyx_t_3 = PyObject_GetAttr(__pyx_t_16, __pyx_n_s__info); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-  __pyx_t_16 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __pyx_t_14 = PyTuple_New(2); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_14);
+  __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __pyx_t_8 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__info); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+  __pyx_t_10 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __pyx_t_15 = PyTuple_New(2); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_15);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_125));
-  PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_kp_s_125));
+  PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_kp_s_125));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_125));
-  PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_t_16);
-  __Pyx_GIVEREF(__pyx_t_16);
-  __pyx_t_16 = 0;
-  __pyx_t_16 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
+  PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_10);
+  __Pyx_GIVEREF(__pyx_t_10);
+  __pyx_t_10 = 0;
+  __pyx_t_10 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1140
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1211
  *         gc.collect()
  *         logger.info("    Extract time = %f seconds", self.extract_time)
  *         logger.info("    Intersect time = %f seconds", self.intersect_time)             # <<<<<<<<<<<<<<
  * 
  * 
  */
-  __pyx_t_16 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __pyx_t_14 = PyObject_GetAttr(__pyx_t_16, __pyx_n_s__info); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_14);
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-  __pyx_t_16 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->intersect_time); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __pyx_t_15 = PyObject_GetAttr(__pyx_t_10, __pyx_n_s__info); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_15);
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+  __pyx_t_10 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->intersect_time); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
-  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_126));
+  PyTuple_SET_ITEM(__pyx_t_8, 0, ((PyObject *)__pyx_kp_s_126));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_126));
-  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_16);
-  __Pyx_GIVEREF(__pyx_t_16);
-  __pyx_t_16 = 0;
-  __pyx_t_16 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_16)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_16);
-  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
+  PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_10);
+  __Pyx_GIVEREF(__pyx_t_10);
+  __pyx_t_10 = 0;
+  __pyx_t_10 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_10);
+  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
   PyErr_SetNone(PyExc_StopIteration);
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_8);
   __Pyx_XDECREF(__pyx_t_10);
@@ -49399,7 +51427,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator4(__pyx_Gene
   return NULL;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1143
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1214
  * 
  * 
  *     cdef int find_fixpoint(self,             # <<<<<<<<<<<<<<
@@ -49429,7 +51457,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("find_fixpoint", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1158
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1229
  *         cdef int e_low_prev, e_high_prev, f_low_prev, f_high_prev, new_x, new_low_x, new_high_x
  * 
  *         e_low[0] = e_in_low             # <<<<<<<<<<<<<<
@@ -49438,7 +51466,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_e_low[0]) = __pyx_v_e_in_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1159
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1230
  * 
  *         e_low[0] = e_in_low
  *         e_high[0] = e_in_high             # <<<<<<<<<<<<<<
@@ -49447,19 +51475,19 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_e_high[0]) = __pyx_v_e_in_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1160
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1231
  *         e_low[0] = e_in_low
  *         e_high[0] = e_in_high
  *         self.find_projection(f_low, f_high, f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *         if e_low[0] == -1:
  *             # low-priority corner case: if phrase w is unaligned,
  */
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1161
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1232
  *         e_high[0] = e_in_high
  *         self.find_projection(f_low, f_high, f_links_low, f_links_high, e_low, e_high)
  *         if e_low[0] == -1:             # <<<<<<<<<<<<<<
@@ -49469,7 +51497,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   __pyx_t_3 = ((__pyx_v_e_low[0]) == -1);
   if (__pyx_t_3) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1167
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1238
  *             # rule X -> X_1 w X_2 / X_1 X_2.    This is probably
  *             # not worth the bother, though.
  *             return 0             # <<<<<<<<<<<<<<
@@ -49481,7 +51509,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     goto __pyx_L3;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1168
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1239
  *             # not worth the bother, though.
  *             return 0
  *         elif e_in_low != -1 and e_low[0] != e_in_low:             # <<<<<<<<<<<<<<
@@ -49497,7 +51525,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   }
   if (__pyx_t_5) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1169
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1240
  *             return 0
  *         elif e_in_low != -1 and e_low[0] != e_in_low:
  *             if e_in_low - e_low[0] < min_ex_size:             # <<<<<<<<<<<<<<
@@ -49507,7 +51535,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_5 = ((__pyx_v_e_in_low - (__pyx_v_e_low[0])) < __pyx_v_min_ex_size);
     if (__pyx_t_5) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1170
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1241
  *         elif e_in_low != -1 and e_low[0] != e_in_low:
  *             if e_in_low - e_low[0] < min_ex_size:
  *                 e_low[0] = e_in_low - min_ex_size             # <<<<<<<<<<<<<<
@@ -49516,7 +51544,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
       (__pyx_v_e_low[0]) = (__pyx_v_e_in_low - __pyx_v_min_ex_size);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1171
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1242
  *             if e_in_low - e_low[0] < min_ex_size:
  *                 e_low[0] = e_in_low - min_ex_size
  *                 if e_low[0] < 0:             # <<<<<<<<<<<<<<
@@ -49526,7 +51554,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       __pyx_t_5 = ((__pyx_v_e_low[0]) < 0);
       if (__pyx_t_5) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1172
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1243
  *                 e_low[0] = e_in_low - min_ex_size
  *                 if e_low[0] < 0:
  *                     return 0             # <<<<<<<<<<<<<<
@@ -49545,7 +51573,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1174
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1245
  *                     return 0
  * 
  *         if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
@@ -49555,7 +51583,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   __pyx_t_5 = (((__pyx_v_e_high[0]) - (__pyx_v_e_low[0])) > __pyx_v_max_e_len);
   if (__pyx_t_5) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1175
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1246
  * 
  *         if e_high[0] - e_low[0] > max_e_len:
  *             return 0             # <<<<<<<<<<<<<<
@@ -49567,7 +51595,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     goto __pyx_L6;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1176
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1247
  *         if e_high[0] - e_low[0] > max_e_len:
  *             return 0
  *         elif e_in_high != -1 and e_high[0] != e_in_high:             # <<<<<<<<<<<<<<
@@ -49583,7 +51611,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   }
   if (__pyx_t_4) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1177
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1248
  *             return 0
  *         elif e_in_high != -1 and e_high[0] != e_in_high:
  *             if e_high[0] - e_in_high < min_ex_size:             # <<<<<<<<<<<<<<
@@ -49593,7 +51621,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_4 = (((__pyx_v_e_high[0]) - __pyx_v_e_in_high) < __pyx_v_min_ex_size);
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1178
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1249
  *         elif e_in_high != -1 and e_high[0] != e_in_high:
  *             if e_high[0] - e_in_high < min_ex_size:
  *                 e_high[0] = e_in_high + min_ex_size             # <<<<<<<<<<<<<<
@@ -49602,7 +51630,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
       (__pyx_v_e_high[0]) = (__pyx_v_e_in_high + __pyx_v_min_ex_size);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1179
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1250
  *             if e_high[0] - e_in_high < min_ex_size:
  *                 e_high[0] = e_in_high + min_ex_size
  *                 if e_high[0] > e_sent_len:             # <<<<<<<<<<<<<<
@@ -49612,7 +51640,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       __pyx_t_4 = ((__pyx_v_e_high[0]) > __pyx_v_e_sent_len);
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1180
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1251
  *                 e_high[0] = e_in_high + min_ex_size
  *                 if e_high[0] > e_sent_len:
  *                     return 0             # <<<<<<<<<<<<<<
@@ -49631,7 +51659,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   }
   __pyx_L6:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1182
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1253
  *                     return 0
  * 
  *         f_back_low[0] = -1             # <<<<<<<<<<<<<<
@@ -49640,7 +51668,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_f_back_low[0]) = -1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1183
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1254
  * 
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1             # <<<<<<<<<<<<<<
@@ -49649,7 +51677,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_f_back_high[0]) = -1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1184
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1255
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1
  *         f_low_prev = f_low             # <<<<<<<<<<<<<<
@@ -49658,17 +51686,17 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_f_low_prev = __pyx_v_f_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1185
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1256
  *         f_back_high[0] = -1
  *         f_low_prev = f_low
  *         f_high_prev = f_high             # <<<<<<<<<<<<<<
  *         new_x = 0
  *         new_low_x = 0
  */
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1185; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_f_high_prev = __pyx_t_1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1186
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1257
  *         f_low_prev = f_low
  *         f_high_prev = f_high
  *         new_x = 0             # <<<<<<<<<<<<<<
@@ -49677,7 +51705,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_x = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1187
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1258
  *         f_high_prev = f_high
  *         new_x = 0
  *         new_low_x = 0             # <<<<<<<<<<<<<<
@@ -49686,7 +51714,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_low_x = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1188
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1259
  *         new_x = 0
  *         new_low_x = 0
  *         new_high_x = 0             # <<<<<<<<<<<<<<
@@ -49695,7 +51723,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_high_x = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1190
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1261
  *         new_high_x = 0
  * 
  *         while True:             # <<<<<<<<<<<<<<
@@ -49705,7 +51733,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   while (1) {
     if (!1) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1192
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1263
  *         while True:
  * 
  *             if f_back_low[0] == -1:             # <<<<<<<<<<<<<<
@@ -49715,45 +51743,45 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_4 = ((__pyx_v_f_back_low[0]) == -1);
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1193
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1264
  * 
  *             if f_back_low[0] == -1:
  *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1264; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       goto __pyx_L11;
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1195
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1266
  *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  * 
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1196
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1267
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  * 
  *             if f_back_low[0] > f_low:
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1267; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     }
     __pyx_L11:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1198
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1269
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  * 
  *             if f_back_low[0] > f_low:             # <<<<<<<<<<<<<<
@@ -49763,7 +51791,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_4 = ((__pyx_v_f_back_low[0]) > __pyx_v_f_low);
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1199
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1270
  * 
  *             if f_back_low[0] > f_low:
  *                 f_back_low[0] = f_low             # <<<<<<<<<<<<<<
@@ -49775,35 +51803,35 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L12:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1201
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1272
  *                 f_back_low[0] = f_low
  * 
  *             if f_back_high[0] < f_high:             # <<<<<<<<<<<<<<
  *                 f_back_high[0] = f_high
  * 
  */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1272; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1202
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1273
  * 
  *             if f_back_high[0] < f_high:
  *                 f_back_high[0] = f_high             # <<<<<<<<<<<<<<
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
  */
-      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1273; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       (__pyx_v_f_back_high[0]) = __pyx_t_1;
       goto __pyx_L13;
     }
     __pyx_L13:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1204
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1275
  *                 f_back_high[0] = f_high
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:             # <<<<<<<<<<<<<<
@@ -49819,7 +51847,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1205
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1276
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -49832,7 +51860,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L14:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1207
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1278
  *                 return 1
  * 
  *             if allow_low_x == 0 and f_back_low[0] < f_low:             # <<<<<<<<<<<<<<
@@ -49848,7 +51876,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_5) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1209
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1280
  *             if allow_low_x == 0 and f_back_low[0] < f_low:
  *                 # FAIL: f phrase is not tight
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49861,7 +51889,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L15:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1211
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1282
  *                 return 0
  * 
  *             if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -49871,7 +51899,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_5 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
     if (__pyx_t_5) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1213
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1284
  *             if f_back_high[0] - f_back_low[0] > max_f_len:
  *                 # FAIL: f back projection is too wide
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49884,7 +51912,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L16:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1215
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1286
  *                 return 0
  * 
  *             if allow_high_x == 0 and f_back_high[0] > f_high:             # <<<<<<<<<<<<<<
@@ -49893,11 +51921,11 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_t_5 = (__pyx_v_allow_high_x == 0);
     if (__pyx_t_5) {
-      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __pyx_t_4 = __pyx_t_3;
     } else {
@@ -49905,7 +51933,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1217
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1288
  *             if allow_high_x == 0 and f_back_high[0] > f_high:
  *                 # FAIL: extension on high side not allowed
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49918,7 +51946,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L17:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1219
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1290
  *                 return 0
  * 
  *             if f_low != f_back_low[0]:             # <<<<<<<<<<<<<<
@@ -49928,7 +51956,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_4 = (__pyx_v_f_low != (__pyx_v_f_back_low[0]));
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1220
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1291
  * 
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:             # <<<<<<<<<<<<<<
@@ -49938,7 +51966,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       __pyx_t_4 = (__pyx_v_new_low_x == 0);
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1221
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1292
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -49948,7 +51976,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1223
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1294
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on low side violates max # of gaps
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49961,7 +51989,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1225
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1296
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -49970,7 +51998,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1226
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1297
  *                     else:
  *                         new_x = new_x + 1
  *                         new_low_x = 1             # <<<<<<<<<<<<<<
@@ -49984,7 +52012,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       }
       __pyx_L19:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1227
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1298
  *                         new_x = new_x + 1
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:             # <<<<<<<<<<<<<<
@@ -49994,7 +52022,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       __pyx_t_4 = ((__pyx_v_f_low - (__pyx_v_f_back_low[0])) < __pyx_v_min_fx_size);
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1228
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1299
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:
  *                     f_back_low[0] = f_low - min_fx_size             # <<<<<<<<<<<<<<
@@ -50003,7 +52031,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
         (__pyx_v_f_back_low[0]) = (__pyx_v_f_low - __pyx_v_min_fx_size);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1229
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1300
  *                 if f_low - f_back_low[0] < min_fx_size:
  *                     f_back_low[0] = f_low - min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -50013,7 +52041,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1231
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1302
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -50026,7 +52054,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         __pyx_L22:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1232
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1303
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0
  *                     if f_back_low[0] < 0:             # <<<<<<<<<<<<<<
@@ -50036,7 +52064,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = ((__pyx_v_f_back_low[0]) < 0);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1234
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1305
  *                     if f_back_low[0] < 0:
  *                         # FAIL: extension required on low side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -50055,22 +52083,22 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L18:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1236
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1307
  *                         return 0
  * 
  *             if f_high != f_back_high[0]:             # <<<<<<<<<<<<<<
  *                 if new_high_x == 0:
  *                     if new_x >= max_new_x:
  */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1237
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1308
  * 
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:             # <<<<<<<<<<<<<<
@@ -50080,7 +52108,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       __pyx_t_4 = (__pyx_v_new_high_x == 0);
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1238
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1309
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -50090,7 +52118,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1240
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1311
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on high side violates max # of gaps
  *                         return 0             # <<<<<<<<<<<<<<
@@ -50103,7 +52131,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1242
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1313
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -50112,7 +52140,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1243
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1314
  *                     else:
  *                         new_x = new_x + 1
  *                         new_high_x = 1             # <<<<<<<<<<<<<<
@@ -50126,44 +52154,44 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       }
       __pyx_L25:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1244
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1315
  *                         new_x = new_x + 1
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:             # <<<<<<<<<<<<<<
  *                     f_back_high[0] = f_high + min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  */
-      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_7 = PyObject_RichCompare(__pyx_t_2, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyObject_RichCompare(__pyx_t_2, __pyx_t_6, Py_LT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1245
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1316
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:
  *                     f_back_high[0] = f_high + min_fx_size             # <<<<<<<<<<<<<<
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
  */
-        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1245; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
-        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1245; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_6);
         __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
-        __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1245; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
         (__pyx_v_f_back_high[0]) = __pyx_t_1;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1246
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1317
  *                 if f_back_high[0] - f_high < min_fx_size:
  *                     f_back_high[0] = f_high + min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -50173,7 +52201,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1248
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1319
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -50186,7 +52214,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         __pyx_L28:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1249
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1320
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0
  *                     if f_back_high[0] > f_sent_len:             # <<<<<<<<<<<<<<
@@ -50196,7 +52224,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = ((__pyx_v_f_back_high[0]) > __pyx_v_f_sent_len);
         if (__pyx_t_4) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1251
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1322
  *                     if f_back_high[0] > f_sent_len:
  *                         # FAIL: extension required on high side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -50215,7 +52243,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L24:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1253
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1324
  *                         return 0
  * 
  *             e_low_prev = e_low[0]             # <<<<<<<<<<<<<<
@@ -50224,7 +52252,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_e_low_prev = (__pyx_v_e_low[0]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1254
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1325
  * 
  *             e_low_prev = e_low[0]
  *             e_high_prev = e_high[0]             # <<<<<<<<<<<<<<
@@ -50233,29 +52261,29 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_e_high_prev = (__pyx_v_e_high[0]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1256
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1327
  *             e_high_prev = e_high[0]
  * 
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  */
-    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_f_back_low[0]), __pyx_v_f_low_prev, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_f_back_low[0]), __pyx_v_f_low_prev, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1327; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1257
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1328
  * 
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1
  */
-    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_high_prev, (__pyx_v_f_back_high[0]), __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_high_prev, (__pyx_v_f_back_high[0]), __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1328; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1258
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1329
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:             # <<<<<<<<<<<<<<
@@ -50271,7 +52299,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1259
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1330
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -50284,7 +52312,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L30:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1260
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1331
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1
  *             if allow_arbitrary_x == 0:             # <<<<<<<<<<<<<<
@@ -50294,7 +52322,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_3 = (__pyx_v_allow_arbitrary_x == 0);
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1262
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1333
  *             if allow_arbitrary_x == 0:
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0             # <<<<<<<<<<<<<<
@@ -50307,7 +52335,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L31:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1263
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1334
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0
  *             if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
@@ -50317,7 +52345,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     __pyx_t_3 = (((__pyx_v_e_high[0]) - (__pyx_v_e_low[0])) > __pyx_v_max_e_len);
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1265
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1336
  *             if e_high[0] - e_low[0] > max_e_len:
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0             # <<<<<<<<<<<<<<
@@ -50330,7 +52358,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L32:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1266
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1337
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0
  *             f_low_prev = f_back_low[0]             # <<<<<<<<<<<<<<
@@ -50339,7 +52367,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_f_low_prev = (__pyx_v_f_back_low[0]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1267
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1338
  *                 return 0
  *             f_low_prev = f_back_low[0]
  *             f_high_prev = f_back_high[0]             # <<<<<<<<<<<<<<
@@ -50362,7 +52390,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1270
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1341
  * 
  * 
  *     cdef find_projection(self, int in_low, int in_high, int* in_links_low, int* in_links_high,             # <<<<<<<<<<<<<<
@@ -50380,7 +52408,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("find_projection", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1273
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1344
  *                         int* out_low, int* out_high):
  *         cdef int i
  *         for i from in_low <= i < in_high:             # <<<<<<<<<<<<<<
@@ -50390,7 +52418,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
   __pyx_t_1 = __pyx_v_in_high;
   for (__pyx_v_i = __pyx_v_in_low; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1274
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1345
  *         cdef int i
  *         for i from in_low <= i < in_high:
  *             if in_links_low[i] != -1:             # <<<<<<<<<<<<<<
@@ -50400,7 +52428,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
     __pyx_t_2 = ((__pyx_v_in_links_low[__pyx_v_i]) != -1);
     if (__pyx_t_2) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1275
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1346
  *         for i from in_low <= i < in_high:
  *             if in_links_low[i] != -1:
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:             # <<<<<<<<<<<<<<
@@ -50416,7 +52444,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1276
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1347
  *             if in_links_low[i] != -1:
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
  *                     out_low[0] = in_links_low[i]             # <<<<<<<<<<<<<<
@@ -50428,7 +52456,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       __pyx_L6:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1277
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1348
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
  *                     out_low[0] = in_links_low[i]
  *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:             # <<<<<<<<<<<<<<
@@ -50444,7 +52472,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       if (__pyx_t_3) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1278
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1349
  *                     out_low[0] = in_links_low[i]
  *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:
  *                     out_high[0] = in_links_high[i]             # <<<<<<<<<<<<<<
@@ -50466,7 +52494,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1281
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1352
  * 
  * 
  *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):             # <<<<<<<<<<<<<<
@@ -50480,7 +52508,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("int_arr_extend", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1283
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1354
  *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):
  *         cdef int new_len
  *         new_len = arr_len[0] + data_len             # <<<<<<<<<<<<<<
@@ -50489,7 +52517,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
  */
   __pyx_v_new_len = ((__pyx_v_arr_len[0]) + __pyx_v_data_len);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1284
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1355
  *         cdef int new_len
  *         new_len = arr_len[0] + data_len
  *         arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -50498,7 +52526,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
  */
   __pyx_v_arr = ((int *)realloc(__pyx_v_arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1285
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1356
  *         new_len = arr_len[0] + data_len
  *         arr = <int*> realloc(arr, new_len*sizeof(int))
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -50507,7 +52535,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
  */
   memcpy((__pyx_v_arr + (__pyx_v_arr_len[0])), __pyx_v_data, (__pyx_v_data_len * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1286
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1357
  *         arr = <int*> realloc(arr, new_len*sizeof(int))
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -50516,7 +52544,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
  */
   (__pyx_v_arr_len[0]) = __pyx_v_new_len;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1287
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1358
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len
  *         return arr             # <<<<<<<<<<<<<<
@@ -50532,7 +52560,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1290
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1361
  * 
  * 
  *     cdef extract_phrases(self, int e_low, int e_high, int* e_gap_low, int* e_gap_high, int* e_links_low, int num_gaps,             # <<<<<<<<<<<<<<
@@ -50578,19 +52606,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("extract_phrases", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1298
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1369
  *         cdef result
  * 
  *         result = []             # <<<<<<<<<<<<<<
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1298; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_result = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1299
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1370
  * 
  *         result = []
  *         len1 = 0             # <<<<<<<<<<<<<<
@@ -50599,7 +52627,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1300
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1371
  *         result = []
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -50608,19 +52636,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps1 = ((int *)malloc(0));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1301
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1372
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)
  *         ephr_arr = IntList()             # <<<<<<<<<<<<<<
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1372; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_ephr_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1303
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1374
  *         ephr_arr = IntList()
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))             # <<<<<<<<<<<<<<
@@ -50629,7 +52657,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gap_order = ((int *)malloc((__pyx_v_num_gaps * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1304
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1375
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:             # <<<<<<<<<<<<<<
@@ -50639,7 +52667,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_2 = (__pyx_v_num_gaps > 0);
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1305
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1376
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0             # <<<<<<<<<<<<<<
@@ -50648,7 +52676,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     (__pyx_v_e_gap_order[0]) = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1306
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1377
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -50658,7 +52686,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_t_3 = __pyx_v_num_gaps;
     for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1307
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1378
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:             # <<<<<<<<<<<<<<
@@ -50668,7 +52696,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_4 = __pyx_v_i;
       for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1308
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1379
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -50678,7 +52706,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_t_2 = ((__pyx_v_e_gap_low[__pyx_v_i]) < (__pyx_v_e_gap_low[__pyx_v_j]));
         if (__pyx_t_2) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1309
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1380
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:             # <<<<<<<<<<<<<<
@@ -50688,7 +52716,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
           __pyx_t_5 = __pyx_v_i;
           for (__pyx_v_k = __pyx_v_j; __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1310
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1381
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]             # <<<<<<<<<<<<<<
@@ -50698,7 +52726,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
             (__pyx_v_e_gap_order[(__pyx_v_k + 1)]) = (__pyx_v_e_gap_order[__pyx_v_k]);
           }
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1311
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1382
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i             # <<<<<<<<<<<<<<
@@ -50707,7 +52735,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
           (__pyx_v_e_gap_order[__pyx_v_j]) = __pyx_v_i;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1312
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1383
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i
  *                         break             # <<<<<<<<<<<<<<
@@ -50721,7 +52749,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1314
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1385
  *                         break
  *                 else:
  *                     e_gap_order[i] = i             # <<<<<<<<<<<<<<
@@ -50736,7 +52764,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   }
   __pyx_L3:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1316
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1387
  *                     e_gap_order[i] = i
  * 
  *         e_x_low = e_low             # <<<<<<<<<<<<<<
@@ -50745,7 +52773,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_x_low = __pyx_v_e_low;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1317
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1388
  * 
  *         e_x_low = e_low
  *         e_x_high = e_high             # <<<<<<<<<<<<<<
@@ -50754,7 +52782,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_x_high = __pyx_v_e_high;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1318
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1389
  *         e_x_low = e_low
  *         e_x_high = e_high
  *         if not self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -50764,7 +52792,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_2 = (!__pyx_v_self->tight_phrases);
   if (__pyx_t_2) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1319
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1390
  *         e_x_high = e_high
  *         if not self.tight_phrases:
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -50787,7 +52815,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (!__pyx_t_6) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1320
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1391
  *         if not self.tight_phrases:
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
  *                 e_x_low = e_x_low - 1             # <<<<<<<<<<<<<<
@@ -50797,7 +52825,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_v_e_x_low = (__pyx_v_e_x_low - 1);
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1321
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1392
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
  *                 e_x_low = e_x_low - 1
  *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:             # <<<<<<<<<<<<<<
@@ -50820,7 +52848,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (!__pyx_t_2) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1322
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1393
  *                 e_x_low = e_x_low - 1
  *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
  *                 e_x_high = e_x_high + 1             # <<<<<<<<<<<<<<
@@ -50833,7 +52861,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   }
   __pyx_L11:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1324
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1395
  *                 e_x_high = e_x_high + 1
  * 
  *         for i from e_x_low <= i <= e_low:             # <<<<<<<<<<<<<<
@@ -50843,7 +52871,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_3 = __pyx_v_e_low;
   for (__pyx_v_i = __pyx_v_e_x_low; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1325
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1396
  * 
  *         for i from e_x_low <= i <= e_low:
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)             # <<<<<<<<<<<<<<
@@ -50853,7 +52881,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_v_e_gaps1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps1, (&__pyx_v_len1), (&__pyx_v_i), 1);
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1327
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1398
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
  * 
  *         for i from 0 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -50863,7 +52891,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_3 = __pyx_v_num_gaps;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1328
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1399
  * 
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -50872,7 +52900,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1329
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1400
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)
  *             len2 = 0             # <<<<<<<<<<<<<<
@@ -50881,7 +52909,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_len2 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1331
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1402
  *             len2 = 0
  * 
  *             j = e_gap_order[i]             # <<<<<<<<<<<<<<
@@ -50890,7 +52918,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_j = (__pyx_v_e_gap_order[__pyx_v_i]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1332
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1403
  * 
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]             # <<<<<<<<<<<<<<
@@ -50899,7 +52927,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_x_gap_low = (__pyx_v_e_gap_low[__pyx_v_j]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1333
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1404
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]             # <<<<<<<<<<<<<<
@@ -50908,7 +52936,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_x_gap_high = (__pyx_v_e_gap_high[__pyx_v_j]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1334
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1405
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]
  *             if not self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -50918,7 +52946,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_t_2 = (!__pyx_v_self->tight_phrases);
     if (__pyx_t_2) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1335
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1406
  *             e_x_gap_high = e_gap_high[j]
  *             if not self.tight_phrases:
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -50935,7 +52963,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         }
         if (!__pyx_t_7) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1336
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1407
  *             if not self.tight_phrases:
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
  *                     e_x_gap_low = e_x_gap_low - 1             # <<<<<<<<<<<<<<
@@ -50945,7 +52973,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_v_e_x_gap_low = (__pyx_v_e_x_gap_low - 1);
       }
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1337
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1408
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
  *                     e_x_gap_low = e_x_gap_low - 1
  *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:             # <<<<<<<<<<<<<<
@@ -50962,7 +52990,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         }
         if (!__pyx_t_6) break;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1338
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1409
  *                     e_x_gap_low = e_x_gap_low - 1
  *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
  *                     e_x_gap_high = e_x_gap_high + 1             # <<<<<<<<<<<<<<
@@ -50975,7 +53003,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     }
     __pyx_L20:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1340
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1411
  *                     e_x_gap_high = e_x_gap_high + 1
  * 
  *             k = 0             # <<<<<<<<<<<<<<
@@ -50984,7 +53012,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_k = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1341
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1412
  * 
  *             k = 0
  *             step = 1+(i*2)             # <<<<<<<<<<<<<<
@@ -50993,7 +53021,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_step = (1 + (__pyx_v_i * 2));
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1342
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1413
  *             k = 0
  *             step = 1+(i*2)
  *             while k < len1:             # <<<<<<<<<<<<<<
@@ -51004,7 +53032,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_6 = (__pyx_v_k < __pyx_v_len1);
       if (!__pyx_t_6) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1343
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1414
  *             step = 1+(i*2)
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -51014,7 +53042,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_4 = (__pyx_v_e_gap_low[__pyx_v_j]);
       for (__pyx_v_m = __pyx_v_e_x_gap_low; __pyx_v_m <= __pyx_t_4; __pyx_v_m++) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1344
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1415
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
  *                     if m >= e_gaps1[k+step-1]:             # <<<<<<<<<<<<<<
@@ -51024,7 +53052,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_t_6 = (__pyx_v_m >= (__pyx_v_e_gaps1[((__pyx_v_k + __pyx_v_step) - 1)]));
         if (__pyx_t_6) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1345
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1416
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
  *                     if m >= e_gaps1[k+step-1]:
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:             # <<<<<<<<<<<<<<
@@ -51034,7 +53062,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
           __pyx_t_5 = __pyx_v_e_x_gap_high;
           for (__pyx_v_n = (__pyx_v_e_gap_high[__pyx_v_j]); __pyx_v_n <= __pyx_t_5; __pyx_v_n++) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1346
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1417
  *                     if m >= e_gaps1[k+step-1]:
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length             # <<<<<<<<<<<<<<
@@ -51044,7 +53072,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
             __pyx_t_6 = ((__pyx_v_n - __pyx_v_m) >= 1);
             if (__pyx_t_6) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1347
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1418
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)             # <<<<<<<<<<<<<<
@@ -51053,7 +53081,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
               __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_k), __pyx_v_step);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1348
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1419
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)             # <<<<<<<<<<<<<<
@@ -51062,7 +53090,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
               __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_m), 1);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1349
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1420
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)             # <<<<<<<<<<<<<<
@@ -51079,7 +53107,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_L29:;
       }
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1350
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1421
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step             # <<<<<<<<<<<<<<
@@ -51089,7 +53117,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_v_k = (__pyx_v_k + __pyx_v_step);
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1351
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1422
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step
  *             free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -51098,7 +53126,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     free(__pyx_v_e_gaps1);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1352
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1423
  *                 k = k + step
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -51107,7 +53135,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1353
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1424
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2
  *             len1 = len2             # <<<<<<<<<<<<<<
@@ -51117,7 +53145,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_v_len1 = __pyx_v_len2;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1355
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1426
  *             len1 = len2
  * 
  *         step = 1+(num_gaps*2)             # <<<<<<<<<<<<<<
@@ -51126,7 +53154,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_step = (1 + (__pyx_v_num_gaps * 2));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1356
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1427
  * 
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -51135,7 +53163,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1357
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1428
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0             # <<<<<<<<<<<<<<
@@ -51144,7 +53172,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1358
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1429
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:             # <<<<<<<<<<<<<<
@@ -51154,7 +53182,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_3 = __pyx_v_e_x_high;
   for (__pyx_v_i = __pyx_v_e_high; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1359
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1430
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:
  *             j = 0             # <<<<<<<<<<<<<<
@@ -51163,7 +53191,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_j = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1360
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1431
  *         for i from e_high <= i <= e_x_high:
  *             j = 0
  *             while j < len1:             # <<<<<<<<<<<<<<
@@ -51174,7 +53202,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_6 = (__pyx_v_j < __pyx_v_len1);
       if (!__pyx_t_6) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1361
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1432
  *             j = 0
  *             while j < len1:
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:             # <<<<<<<<<<<<<<
@@ -51190,7 +53218,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (__pyx_t_2) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1362
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1433
  *             while j < len1:
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)             # <<<<<<<<<<<<<<
@@ -51199,7 +53227,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
         __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_j), __pyx_v_step);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1363
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1434
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)             # <<<<<<<<<<<<<<
@@ -51211,7 +53239,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       __pyx_L37:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1364
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1435
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step             # <<<<<<<<<<<<<<
@@ -51222,7 +53250,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     }
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1365
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1436
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step
  *         free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -51231,7 +53259,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   free(__pyx_v_e_gaps1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1366
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1437
  *                 j = j + step
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -51240,7 +53268,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1367
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1438
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2
  *         len1 = len2             # <<<<<<<<<<<<<<
@@ -51249,7 +53277,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len1 = __pyx_v_len2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1369
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1440
  *         len1 = len2
  * 
  *         step = (num_gaps+1)*2             # <<<<<<<<<<<<<<
@@ -51258,7 +53286,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_step = ((__pyx_v_num_gaps + 1) * 2);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1370
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1441
  * 
  *         step = (num_gaps+1)*2
  *         i = 0             # <<<<<<<<<<<<<<
@@ -51267,7 +53295,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_i = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1372
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1443
  *         i = 0
  * 
  *         while i < len1:             # <<<<<<<<<<<<<<
@@ -51278,7 +53306,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_t_2 = (__pyx_v_i < __pyx_v_len1);
     if (!__pyx_t_2) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1373
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1444
  * 
  *         while i < len1:
  *             ephr_arr._clear()             # <<<<<<<<<<<<<<
@@ -51287,7 +53315,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_clear(__pyx_v_ephr_arr);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1374
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1445
  *         while i < len1:
  *             ephr_arr._clear()
  *             num_chunks = 0             # <<<<<<<<<<<<<<
@@ -51296,20 +53324,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_num_chunks = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1375
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1446
  *             ephr_arr._clear()
  *             num_chunks = 0
  *             indexes = []             # <<<<<<<<<<<<<<
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  */
-    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_XDECREF(((PyObject *)__pyx_v_indexes));
     __pyx_v_indexes = __pyx_t_1;
     __pyx_t_1 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1376
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1447
  *             num_chunks = 0
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:             # <<<<<<<<<<<<<<
@@ -51319,7 +53347,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_t_9 = (__pyx_v_num_gaps + 1);
     for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_9; __pyx_v_j++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1377
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1448
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
@@ -51329,7 +53357,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_2 = ((__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]) < (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]));
       if (__pyx_t_2) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1378
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1449
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  *                     num_chunks = num_chunks + 1             # <<<<<<<<<<<<<<
@@ -51341,7 +53369,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       __pyx_L42:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1379
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1450
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  *                     num_chunks = num_chunks + 1
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
@@ -51351,19 +53379,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_3 = (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]);
       for (__pyx_v_k = (__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]); __pyx_v_k < __pyx_t_3; __pyx_v_k++) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1380
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1451
  *                     num_chunks = num_chunks + 1
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
  *                     indexes.append(k)             # <<<<<<<<<<<<<<
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:
  */
-        __pyx_t_1 = PyInt_FromLong(__pyx_v_k); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1380; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_v_k); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1380; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1381
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1452
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
  *                     indexes.append(k)
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])             # <<<<<<<<<<<<<<
@@ -51371,14 +53399,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))
  */
         __pyx_t_4 = (__pyx_v_self->eda->data->arr[(__pyx_v_e_sent_start + __pyx_v_k)]);
-        __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->eid2symid), __pyx_t_4, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1381; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->eid2symid), __pyx_t_4, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1381; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1452; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_append(__pyx_v_ephr_arr, __pyx_t_4);
       }
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1382
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1453
  *                     indexes.append(k)
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:             # <<<<<<<<<<<<<<
@@ -51388,19 +53416,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_t_2 = (__pyx_v_j < __pyx_v_num_gaps);
       if (__pyx_t_2) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1383
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1454
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))             # <<<<<<<<<<<<<<
  *                     ephr_arr._append(sym_setindex(self.category, e_gap_order[j]+1))
  *             i = i + step
  */
-        __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, ((__pyx_v_e_gap_order[__pyx_v_j]) + 1))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, ((__pyx_v_e_gap_order[__pyx_v_j]) + 1))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1454; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1384
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1455
  *                 if j < num_gaps:
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))
  *                     ephr_arr._append(sym_setindex(self.category, e_gap_order[j]+1))             # <<<<<<<<<<<<<<
@@ -51413,7 +53441,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_L45:;
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1385
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1456
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))
  *                     ephr_arr._append(sym_setindex(self.category, e_gap_order[j]+1))
  *             i = i + step             # <<<<<<<<<<<<<<
@@ -51422,7 +53450,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_i = (__pyx_v_i + __pyx_v_step);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1386
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1457
  *                     ephr_arr._append(sym_setindex(self.category, e_gap_order[j]+1))
  *             i = i + step
  *             if ephr_arr.len <= self.max_target_length and num_chunks <= self.max_target_chunks:             # <<<<<<<<<<<<<<
@@ -51438,22 +53466,22 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     }
     if (__pyx_t_7) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1387
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1458
  *             i = i + step
  *             if ephr_arr.len <= self.max_target_length and num_chunks <= self.max_target_chunks:
  *                 result.append((Phrase(ephr_arr),indexes))             # <<<<<<<<<<<<<<
  * 
  *         free(e_gaps1)
  */
-      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1458; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_INCREF(((PyObject *)__pyx_v_ephr_arr));
       PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_ephr_arr));
       __Pyx_GIVEREF(((PyObject *)__pyx_v_ephr_arr));
-      __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1458; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_11);
       __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-      __pyx_t_1 = PyTuple_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyTuple_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1458; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_11);
       __Pyx_GIVEREF(__pyx_t_11);
@@ -51461,7 +53489,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       PyTuple_SET_ITEM(__pyx_t_1, 1, ((PyObject *)__pyx_v_indexes));
       __Pyx_GIVEREF(((PyObject *)__pyx_v_indexes));
       __pyx_t_11 = 0;
-      __pyx_t_11 = __Pyx_PyObject_Append(__pyx_v_result, ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_11 = __Pyx_PyObject_Append(__pyx_v_result, ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1458; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_11);
       __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
       __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
@@ -51470,7 +53498,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_L46:;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1389
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1460
  *                 result.append((Phrase(ephr_arr),indexes))
  * 
  *         free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -51479,7 +53507,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   free(__pyx_v_e_gaps1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1390
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1461
  * 
  *         free(e_gaps1)
  *         free(e_gap_order)             # <<<<<<<<<<<<<<
@@ -51488,7 +53516,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   free(__pyx_v_e_gap_order);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1391
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1462
  *         free(e_gaps1)
  *         free(e_gap_order)
  *         return result             # <<<<<<<<<<<<<<
@@ -51516,7 +53544,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1393
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1464
  *         return result
  * 
  *     cdef IntList create_alignments(self, int* sent_links, int num_links, findexes, eindexes):             # <<<<<<<<<<<<<<
@@ -51544,55 +53572,55 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("create_alignments", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1395
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1466
  *     cdef IntList create_alignments(self, int* sent_links, int num_links, findexes, eindexes):
  *         cdef unsigned i
  *         cdef IntList ret = IntList()             # <<<<<<<<<<<<<<
  *         for i in range(len(findexes)):
  *             s = findexes[i]
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1395; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1466; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_ret = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1396
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1467
  *         cdef unsigned i
  *         cdef IntList ret = IntList()
  *         for i in range(len(findexes)):             # <<<<<<<<<<<<<<
  *             s = findexes[i]
  *             if (s<0):
  */
-  __pyx_t_2 = PyObject_Length(__pyx_v_findexes); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_v_findexes); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1397
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1468
  *         cdef IntList ret = IntList()
  *         for i in range(len(findexes)):
  *             s = findexes[i]             # <<<<<<<<<<<<<<
  *             if (s<0):
  *                 continue
  */
-    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_findexes, __pyx_v_i, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_findexes, __pyx_v_i, sizeof(unsigned int)+1, PyLong_FromUnsignedLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1468; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_XDECREF(__pyx_v_s);
     __pyx_v_s = __pyx_t_1;
     __pyx_t_1 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1398
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1469
  *         for i in range(len(findexes)):
  *             s = findexes[i]
  *             if (s<0):             # <<<<<<<<<<<<<<
  *                 continue
  *             idx = 0
  */
-    __pyx_t_1 = PyObject_RichCompare(__pyx_v_s, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1398; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1398; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_s, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1469; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1469; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1399
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1470
  *             s = findexes[i]
  *             if (s<0):
  *                 continue             # <<<<<<<<<<<<<<
@@ -51604,7 +53632,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
     }
     __pyx_L5:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1400
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1471
  *             if (s<0):
  *                 continue
  *             idx = 0             # <<<<<<<<<<<<<<
@@ -51615,7 +53643,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
     __Pyx_XDECREF(__pyx_v_idx);
     __pyx_v_idx = __pyx_int_0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1401
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1472
  *                 continue
  *             idx = 0
  *             while (idx < num_links*2):             # <<<<<<<<<<<<<<
@@ -51623,51 +53651,51 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
  *                     j = eindexes.index(sent_links[idx+1])
  */
     while (1) {
-      __pyx_t_1 = PyInt_FromLong((__pyx_v_num_links * 2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyInt_FromLong((__pyx_v_num_links * 2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1472; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_idx, __pyx_t_1, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyObject_RichCompare(__pyx_v_idx, __pyx_t_1, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1472; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1472; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
       if (!__pyx_t_4) break;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1402
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1473
  *             idx = 0
  *             while (idx < num_links*2):
  *                 if (sent_links[idx] == s):             # <<<<<<<<<<<<<<
  *                     j = eindexes.index(sent_links[idx+1])
  *                     ret.append(i*65536+j)
  */
-      __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_v_idx); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1402; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1402; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_v_idx); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_1 = PyObject_RichCompare(__pyx_t_5, __pyx_v_s, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1402; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_5, __pyx_v_s, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1402; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       if (__pyx_t_4) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1403
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1474
  *             while (idx < num_links*2):
  *                 if (sent_links[idx] == s):
  *                     j = eindexes.index(sent_links[idx+1])             # <<<<<<<<<<<<<<
  *                     ret.append(i*65536+j)
  *                 idx += 2
  */
-        __pyx_t_1 = PyObject_GetAttr(__pyx_v_eindexes, __pyx_n_s__index); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(__pyx_v_eindexes, __pyx_n_s__index); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_5 = PyNumber_Add(__pyx_v_idx, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyNumber_Add(__pyx_v_idx, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
-        __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_t_5); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_t_5); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-        __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
-        __pyx_t_7 = PyTuple_New(1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyTuple_New(1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_5);
         __Pyx_GIVEREF(__pyx_t_5);
         __pyx_t_5 = 0;
-        __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
@@ -51675,19 +53703,19 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
         __pyx_v_j = __pyx_t_5;
         __pyx_t_5 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1404
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1475
  *                 if (sent_links[idx] == s):
  *                     j = eindexes.index(sent_links[idx+1])
  *                     ret.append(i*65536+j)             # <<<<<<<<<<<<<<
  *                 idx += 2
  *         return ret
  */
-        __pyx_t_5 = PyInt_FromLong((__pyx_v_i * 65536)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyInt_FromLong((__pyx_v_i * 65536)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
-        __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_v_j); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_v_j); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-        __pyx_t_5 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_ret), __pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_ret), __pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
         __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
         __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
@@ -51695,14 +53723,14 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
       }
       __pyx_L8:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1405
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1476
  *                     j = eindexes.index(sent_links[idx+1])
  *                     ret.append(i*65536+j)
  *                 idx += 2             # <<<<<<<<<<<<<<
  *         return ret
  * 
  */
-      __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_idx, __pyx_int_2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_idx, __pyx_int_2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1476; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
       __Pyx_DECREF(__pyx_v_idx);
       __pyx_v_idx = __pyx_t_5;
@@ -51711,7 +53739,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
     __pyx_L3_continue:;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1406
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1477
  *                     ret.append(i*65536+j)
  *                 idx += 2
  *         return ret             # <<<<<<<<<<<<<<
@@ -51741,7 +53769,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
   return __pyx_r;
 }
 
-/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1408
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1479
  *         return ret
  * 
  *     cdef extract(self, Phrase phrase, Matching* matching, int* chunklen, int num_chunks):             # <<<<<<<<<<<<<<
@@ -51835,19 +53863,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("extract", 0);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1421
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1492
  *         cdef reason_for_failure
  * 
  *         fphr_arr = IntList()             # <<<<<<<<<<<<<<
  *         phrase_len = phrase.n
  *         extracts = []
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1421; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1492; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_fphr_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1422
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1493
  * 
  *         fphr_arr = IntList()
  *         phrase_len = phrase.n             # <<<<<<<<<<<<<<
@@ -51856,19 +53884,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_phrase_len = __pyx_v_phrase->n;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1423
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1494
  *         fphr_arr = IntList()
  *         phrase_len = phrase.n
  *         extracts = []             # <<<<<<<<<<<<<<
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)
  * 
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1423; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1494; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_extracts = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1424
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1495
  *         phrase_len = phrase.n
  *         extracts = []
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)             # <<<<<<<<<<<<<<
@@ -51877,7 +53905,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_sent_links = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_self->alignment->__pyx_vtab)->_get_sent_links(__pyx_v_self->alignment, __pyx_v_matching->sent_id, (&__pyx_v_num_links));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1426
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1497
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]             # <<<<<<<<<<<<<<
@@ -51886,7 +53914,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_sent_start = (__pyx_v_self->eda->sent_index->arr[__pyx_v_matching->sent_id]);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1427
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1498
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]             # <<<<<<<<<<<<<<
@@ -51895,7 +53923,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_sent_end = (__pyx_v_self->eda->sent_index->arr[(__pyx_v_matching->sent_id + 1)]);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1428
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1499
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]
  *         e_sent_len = e_sent_end - e_sent_start - 1             # <<<<<<<<<<<<<<
@@ -51904,7 +53932,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_sent_len = ((__pyx_v_e_sent_end - __pyx_v_e_sent_start) - 1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1429
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1500
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]
  *         e_sent_len = e_sent_end - e_sent_start - 1
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]             # <<<<<<<<<<<<<<
@@ -51913,7 +53941,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_sent_start = (__pyx_v_self->fda->sent_index->arr[__pyx_v_matching->sent_id]);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1430
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1501
  *         e_sent_len = e_sent_end - e_sent_start - 1
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]
  *         f_sent_end = self.fda.sent_index.arr[matching.sent_id+1]             # <<<<<<<<<<<<<<
@@ -51922,7 +53950,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_sent_end = (__pyx_v_self->fda->sent_index->arr[(__pyx_v_matching->sent_id + 1)]);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1431
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1502
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]
  *         f_sent_end = self.fda.sent_index.arr[matching.sent_id+1]
  *         f_sent_len = f_sent_end - f_sent_start - 1             # <<<<<<<<<<<<<<
@@ -51931,21 +53959,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_sent_len = ((__pyx_v_f_sent_end - __pyx_v_f_sent_start) - 1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1433
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1504
  *         f_sent_len = f_sent_end - f_sent_start - 1
  * 
  *         self.findexes1.reset()             # <<<<<<<<<<<<<<
  *         sofar = 0
  *         for i in range(num_chunks):
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes1), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes1), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1504; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1504; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1434
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1505
  * 
  *         self.findexes1.reset()
  *         sofar = 0             # <<<<<<<<<<<<<<
@@ -51955,7 +53983,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   __Pyx_INCREF(__pyx_int_0);
   __pyx_v_sofar = __pyx_int_0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1435
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1506
  *         self.findexes1.reset()
  *         sofar = 0
  *         for i in range(num_chunks):             # <<<<<<<<<<<<<<
@@ -51966,7 +53994,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_i = __pyx_t_4;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1436
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1507
  *         sofar = 0
  *         for i in range(num_chunks):
  *             for j in range(chunklen[i]):             # <<<<<<<<<<<<<<
@@ -51977,35 +54005,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
       __pyx_v_j = __pyx_t_6;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1437
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1508
  *         for i in range(num_chunks):
  *             for j in range(chunklen[i]):
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);             # <<<<<<<<<<<<<<
  *                 sofar += 1
  *             if (i+1<num_chunks):
  */
-      __pyx_t_2 = PyInt_FromLong((((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong((((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1437; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1438
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1509
  *             for j in range(chunklen[i]):
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
  *                 sofar += 1             # <<<<<<<<<<<<<<
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])
  */
-      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1438; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1509; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_v_sofar);
       __pyx_v_sofar = __pyx_t_1;
       __pyx_t_1 = 0;
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1439
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1510
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
  *                 sofar += 1
  *             if (i+1<num_chunks):             # <<<<<<<<<<<<<<
@@ -52015,28 +54043,28 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_t_7 = ((__pyx_v_i + 1) < __pyx_v_num_chunks);
     if (__pyx_t_7) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1440
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1511
  *                 sofar += 1
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])             # <<<<<<<<<<<<<<
  *                 sofar += 1
  * 
  */
-      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1440; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1511; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1440; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1511; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1441
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1512
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])
  *                 sofar += 1             # <<<<<<<<<<<<<<
  * 
  * 
  */
-      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1512; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_v_sofar);
       __pyx_v_sofar = __pyx_t_2;
@@ -52046,7 +54074,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_L7:;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1444
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1515
  * 
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52055,7 +54083,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_links_low = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1445
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1516
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52064,7 +54092,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_links_high = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1446
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1517
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52073,7 +54101,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_links_low = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1447
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1518
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52082,7 +54110,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_links_high = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1448
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1519
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52091,7 +54119,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1449
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1520
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52100,7 +54128,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1450
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1521
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52109,7 +54137,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1451
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1522
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52118,7 +54146,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_e_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1452
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1523
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52127,7 +54155,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   memset(__pyx_v_f_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1453
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1524
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52136,7 +54164,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   memset(__pyx_v_f_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1454
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1525
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52145,7 +54173,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   memset(__pyx_v_e_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1455
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1526
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -52154,7 +54182,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   memset(__pyx_v_e_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1457
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1528
  *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
  * 
  *         reason_for_failure = ""             # <<<<<<<<<<<<<<
@@ -52164,7 +54192,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_45));
   __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_45);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1459
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1530
  *         reason_for_failure = ""
  * 
  *         for i from 0 <= i < e_sent_len:             # <<<<<<<<<<<<<<
@@ -52174,7 +54202,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   __pyx_t_3 = __pyx_v_e_sent_len;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1460
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1531
  * 
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -52183,7 +54211,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     (__pyx_v_e_links_low[__pyx_v_i]) = -1;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1461
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1532
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -52193,7 +54221,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     (__pyx_v_e_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1462
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1533
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:             # <<<<<<<<<<<<<<
@@ -52203,7 +54231,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   __pyx_t_3 = __pyx_v_f_sent_len;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1463
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1534
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -52212,7 +54240,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     (__pyx_v_f_links_low[__pyx_v_i]) = -1;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1464
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1535
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1
  *             f_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -52222,7 +54250,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     (__pyx_v_f_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1470
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1541
  *         # links that we care about (but then how to look up
  *         # when we want to check something on the e side?)
  *         i = 0             # <<<<<<<<<<<<<<
@@ -52231,7 +54259,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_i = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1471
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1542
  *         # when we want to check something on the e side?)
  *         i = 0
  *         while i < num_links*2:             # <<<<<<<<<<<<<<
@@ -52242,7 +54270,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_t_7 = (__pyx_v_i < (__pyx_v_num_links * 2));
     if (!__pyx_t_7) break;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1472
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1543
  *         i = 0
  *         while i < num_links*2:
  *             f_i = sent_links[i]             # <<<<<<<<<<<<<<
@@ -52251,7 +54279,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_f_i = (__pyx_v_sent_links[__pyx_v_i]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1473
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1544
  *         while i < num_links*2:
  *             f_i = sent_links[i]
  *             e_i = sent_links[i+1]             # <<<<<<<<<<<<<<
@@ -52260,7 +54288,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_e_i = (__pyx_v_sent_links[(__pyx_v_i + 1)]);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1474
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1545
  *             f_i = sent_links[i]
  *             e_i = sent_links[i+1]
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:             # <<<<<<<<<<<<<<
@@ -52276,7 +54304,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_9) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1475
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1546
  *             e_i = sent_links[i+1]
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
  *                 f_links_low[f_i] = e_i             # <<<<<<<<<<<<<<
@@ -52288,7 +54316,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L14:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1476
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1547
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
  *                 f_links_low[f_i] = e_i
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:             # <<<<<<<<<<<<<<
@@ -52304,7 +54332,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_8) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1477
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1548
  *                 f_links_low[f_i] = e_i
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
  *                 f_links_high[f_i] = e_i + 1             # <<<<<<<<<<<<<<
@@ -52316,7 +54344,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L15:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1478
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1549
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
  *                 f_links_high[f_i] = e_i + 1
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:             # <<<<<<<<<<<<<<
@@ -52332,7 +54360,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_7) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1479
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1550
  *                 f_links_high[f_i] = e_i + 1
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
  *                 e_links_low[e_i] = f_i             # <<<<<<<<<<<<<<
@@ -52344,7 +54372,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L16:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1480
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1551
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
  *                 e_links_low[e_i] = f_i
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:             # <<<<<<<<<<<<<<
@@ -52360,7 +54388,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_9) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1481
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1552
  *                 e_links_low[e_i] = f_i
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
  *                 e_links_high[e_i] = f_i + 1             # <<<<<<<<<<<<<<
@@ -52372,7 +54400,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L17:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1482
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1553
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
  *                 e_links_high[e_i] = f_i + 1
  *             i = i + 2             # <<<<<<<<<<<<<<
@@ -52382,19 +54410,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_v_i = (__pyx_v_i + 2);
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1484
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1555
  *             i = i + 2
  * 
  *         als = []             # <<<<<<<<<<<<<<
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
  */
-  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1484; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1555; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __pyx_v_als = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1485
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1556
  * 
  *         als = []
  *         for x in range(matching.start,matching.end):             # <<<<<<<<<<<<<<
@@ -52405,18 +54433,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   for (__pyx_t_4 = __pyx_v_matching->start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_x = __pyx_t_4;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1486
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1557
  *         als = []
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])             # <<<<<<<<<<<<<<
  *             als.append(al)
  *         # check all source-side alignment constraints
  */
-    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1557; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1557; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1486; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1557; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
     PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_2);
@@ -52428,17 +54456,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_v_al = __pyx_t_10;
     __pyx_t_10 = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1487
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1558
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
  *             als.append(al)             # <<<<<<<<<<<<<<
  *         # check all source-side alignment constraints
  *         met_constraints = 1
  */
-    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1487; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1558; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1489
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1560
  *             als.append(al)
  *         # check all source-side alignment constraints
  *         met_constraints = 1             # <<<<<<<<<<<<<<
@@ -52447,7 +54475,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_met_constraints = 1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1490
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1561
  *         # check all source-side alignment constraints
  *         met_constraints = 1
  *         if self.require_aligned_terminal:             # <<<<<<<<<<<<<<
@@ -52456,7 +54484,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   if (__pyx_v_self->require_aligned_terminal) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1491
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1562
  *         met_constraints = 1
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0             # <<<<<<<<<<<<<<
@@ -52465,7 +54493,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_num_aligned_chunks = 0;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1492
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1563
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:             # <<<<<<<<<<<<<<
@@ -52475,7 +54503,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_t_3 = __pyx_v_num_chunks;
     for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1493
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1564
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:
  *                 for j from 0 <= j < chunklen[i]:             # <<<<<<<<<<<<<<
@@ -52485,7 +54513,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_4 = (__pyx_v_chunklen[__pyx_v_i]);
       for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1494
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1565
  *             for i from 0 <= i < num_chunks:
  *                 for j from 0 <= j < chunklen[i]:
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:             # <<<<<<<<<<<<<<
@@ -52495,7 +54523,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)]) > -1);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1495
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1566
  *                 for j from 0 <= j < chunklen[i]:
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
  *                         num_aligned_chunks = num_aligned_chunks + 1             # <<<<<<<<<<<<<<
@@ -52504,7 +54532,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           __pyx_v_num_aligned_chunks = (__pyx_v_num_aligned_chunks + 1);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1496
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1567
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break             # <<<<<<<<<<<<<<
@@ -52519,7 +54547,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_L24_break:;
     }
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1497
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1568
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break
  *             if num_aligned_chunks == 0:             # <<<<<<<<<<<<<<
@@ -52529,7 +54557,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_t_9 = (__pyx_v_num_aligned_chunks == 0);
     if (__pyx_t_9) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1498
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1569
  *                         break
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"             # <<<<<<<<<<<<<<
@@ -52540,7 +54568,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __Pyx_DECREF(__pyx_v_reason_for_failure);
       __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_127);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1499
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1570
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52552,7 +54580,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L26:;
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1500
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1571
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:             # <<<<<<<<<<<<<<
@@ -52567,7 +54595,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_7) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1501
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1572
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"             # <<<<<<<<<<<<<<
@@ -52578,7 +54606,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __Pyx_DECREF(__pyx_v_reason_for_failure);
       __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1502
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1573
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52593,7 +54621,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   __pyx_L20:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1504
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1575
  *                 met_constraints = 0
  * 
  *         if met_constraints and self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52608,7 +54636,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   if (__pyx_t_9) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1506
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1577
  *         if met_constraints and self.tight_phrases:
  *             # outside edge constraints are checked later
  *             for i from 0 <= i < num_chunks-1:             # <<<<<<<<<<<<<<
@@ -52618,7 +54646,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_t_12 = (__pyx_v_num_chunks - 1);
     for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1507
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1578
  *             # outside edge constraints are checked later
  *             for i from 0 <= i < num_chunks-1:
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:             # <<<<<<<<<<<<<<
@@ -52628,7 +54656,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start)]) == -1);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1508
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1579
  *             for i from 0 <= i < num_chunks-1:
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
@@ -52639,7 +54667,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __Pyx_DECREF(__pyx_v_reason_for_failure);
         __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_129);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1509
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1580
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52648,7 +54676,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1510
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1581
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -52660,7 +54688,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L31:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1511
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1582
  *                     met_constraints = 0
  *                     break
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:             # <<<<<<<<<<<<<<
@@ -52670,7 +54698,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - 1) - __pyx_v_f_sent_start)]) == -1);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1512
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1583
  *                     break
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
@@ -52681,7 +54709,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __Pyx_DECREF(__pyx_v_reason_for_failure);
         __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_129);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1513
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1584
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52690,7 +54718,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1514
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1585
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -52707,7 +54735,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   __pyx_L28:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1516
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1587
  *                     break
  * 
  *         f_low = matching.arr[matching.start] - f_sent_start             # <<<<<<<<<<<<<<
@@ -52716,7 +54744,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_low = ((__pyx_v_matching->arr[__pyx_v_matching->start]) - __pyx_v_f_sent_start);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1517
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1588
  * 
  *         f_low = matching.arr[matching.start] - f_sent_start
  *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start             # <<<<<<<<<<<<<<
@@ -52725,7 +54753,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_f_high = (((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_matching->size) - 1)]) + (__pyx_v_chunklen[(__pyx_v_num_chunks - 1)])) - __pyx_v_f_sent_start);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1518
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1589
  *         f_low = matching.arr[matching.start] - f_sent_start
  *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
  *         if met_constraints:             # <<<<<<<<<<<<<<
@@ -52734,17 +54762,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   if (__pyx_v_met_constraints) {
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1520
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1591
  *         if met_constraints:
  * 
  *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,             # <<<<<<<<<<<<<<
  *                                 -1, -1, &e_low, &e_high, &f_back_low, &f_back_high, f_sent_len, e_sent_len,
  *                                 self.train_max_initial_size, self.train_max_initial_size,
  */
-    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1520; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1591; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
 
-    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1524
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1595
  *                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                 self.train_min_gap_size, 0,
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):             # <<<<<<<<<<<<<<
@@ -52755,7 +54783,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
     if (__pyx_t_3) {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1525
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1596
  *                                 self.train_min_gap_size, 0,
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0             # <<<<<<<<<<<<<<
@@ -52764,7 +54792,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
       __pyx_v_gap_error = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1526
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1597
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0
  *                 num_gaps = 0             # <<<<<<<<<<<<<<
@@ -52773,7 +54801,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
       __pyx_v_num_gaps = 0;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1528
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1599
  *                 num_gaps = 0
  * 
  *                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -52783,7 +54811,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = (__pyx_v_f_back_low < __pyx_v_f_low);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1529
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1600
  * 
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low             # <<<<<<<<<<<<<<
@@ -52792,7 +54820,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_low[0]) = __pyx_v_f_back_low;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1530
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1601
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low             # <<<<<<<<<<<<<<
@@ -52801,7 +54829,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_high[0]) = __pyx_v_f_low;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1531
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1602
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1             # <<<<<<<<<<<<<<
@@ -52810,7 +54838,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_num_gaps = 1;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1532
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1603
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1
  *                     gap_start = 0             # <<<<<<<<<<<<<<
@@ -52819,7 +54847,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_gap_start = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1533
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1604
  *                     num_gaps = 1
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -52828,7 +54856,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1534
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1605
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -52838,7 +54866,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1535
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1606
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -52850,7 +54878,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L36:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1536
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1607
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52859,7 +54887,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1537
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1608
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -52875,7 +54903,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_8) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1538
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1609
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -52884,7 +54912,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1539
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1610
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
  *                             gap_error = 1
  *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"             # <<<<<<<<<<<<<<
@@ -52904,7 +54932,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1541
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1612
  *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
  *                 else:
  *                     gap_start = 1             # <<<<<<<<<<<<<<
@@ -52913,7 +54941,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_gap_start = 1;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1542
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1613
  *                 else:
  *                     gap_start = 1
  *                     if self.tight_phrases and f_links_low[f_low] == -1:             # <<<<<<<<<<<<<<
@@ -52928,7 +54956,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1545
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1616
  *                         # this is not a hard error.    we can't extract this phrase
  *                         # but we still might be able to extract a superphrase
  *                         met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52942,7 +54970,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L35:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1547
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1618
  *                         met_constraints = 0
  * 
  *                 for i from 0 <= i < matching.size - 1:             # <<<<<<<<<<<<<<
@@ -52952,7 +54980,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_12 = (__pyx_v_matching->size - 1);
       for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1548
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1619
  * 
  *                 for i from 0 <= i < matching.size - 1:
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start             # <<<<<<<<<<<<<<
@@ -52961,7 +54989,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_low[(1 + __pyx_v_i)]) = (((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1549
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1620
  *                 for i from 0 <= i < matching.size - 1:
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
  *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start             # <<<<<<<<<<<<<<
@@ -52970,7 +54998,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_high[(1 + __pyx_v_i)]) = ((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - __pyx_v_f_sent_start);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1550
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1621
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
  *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
  *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
@@ -52980,7 +55008,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
       }
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1552
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1623
  *                     num_gaps = num_gaps + 1
  * 
  *                 if f_high < f_back_high:             # <<<<<<<<<<<<<<
@@ -52990,7 +55018,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = (__pyx_v_f_high < __pyx_v_f_back_high);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1553
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1624
  * 
  *                 if f_high < f_back_high:
  *                     f_gap_low[gap_start+num_gaps] = f_high             # <<<<<<<<<<<<<<
@@ -52999,7 +55027,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_high;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1554
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1625
  *                 if f_high < f_back_high:
  *                     f_gap_low[gap_start+num_gaps] = f_high
  *                     f_gap_high[gap_start+num_gaps] = f_back_high             # <<<<<<<<<<<<<<
@@ -53008,7 +55036,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_back_high;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1555
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1626
  *                     f_gap_low[gap_start+num_gaps] = f_high
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
@@ -53017,7 +55045,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1556
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1627
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -53026,7 +55054,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1557
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1628
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -53036,7 +55064,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1558
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1629
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -53048,7 +55076,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L43:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1559
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1630
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -53057,7 +55085,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1560
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1631
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:             # <<<<<<<<<<<<<<
@@ -53073,7 +55101,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_7) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1561
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1632
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -53082,7 +55110,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1562
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1633
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
  *                             gap_error = 1
  *                             reason_for_failure = "Inside edges of following subphrase are not tight"             # <<<<<<<<<<<<<<
@@ -53102,7 +55130,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1564
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1635
  *                             reason_for_failure = "Inside edges of following subphrase are not tight"
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -53117,7 +55145,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1565
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1636
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
  *                         met_constraints = 0             # <<<<<<<<<<<<<<
@@ -53131,7 +55159,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L42:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1567
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1638
  *                         met_constraints = 0
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -53141,7 +55169,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = (__pyx_v_gap_error == 0);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1568
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1639
  * 
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low             # <<<<<<<<<<<<<<
@@ -53150,7 +55178,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_e_word_count = (__pyx_v_e_high - __pyx_v_e_low);
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1569
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1640
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low
  *                     for i from 0 <= i < num_gaps: # check integrity of subphrases             # <<<<<<<<<<<<<<
@@ -53160,17 +55188,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_3 = __pyx_v_num_gaps;
         for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1570
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1641
  *                     e_word_count = e_high - e_low
  *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
  *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             -1, -1, e_gap_low+gap_start+i, e_gap_high+gap_start+i,
  */
-          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1570; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1641; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1575
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1646
  *                                             f_gap_low+gap_start+i, f_gap_high+gap_start+i,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -53181,7 +55209,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1577
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1648
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -53190,18 +55218,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1578
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1649
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1
  *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])             # <<<<<<<<<<<<<<
  *                             break
  * 
  */
-            __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_1 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_1);
-            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_2);
             PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
@@ -53209,14 +55237,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __Pyx_GIVEREF(__pyx_t_1);
             __pyx_t_10 = 0;
             __pyx_t_1 = 0;
-            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_132), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_132), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(((PyObject *)__pyx_t_1));
             __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
             __Pyx_DECREF(__pyx_v_reason_for_failure);
             __pyx_v_reason_for_failure = ((PyObject *)__pyx_t_1);
             __pyx_t_1 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1579
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1650
  *                             gap_error = 1
  *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
  *                             break             # <<<<<<<<<<<<<<
@@ -53233,7 +55261,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L47:;
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1581
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1652
  *                             break
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -53243,7 +55271,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_9 = (__pyx_v_gap_error == 0);
       if (__pyx_t_9) {
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1582
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1653
  * 
  *                 if gap_error == 0:
  *                     i = 1             # <<<<<<<<<<<<<<
@@ -53252,21 +55280,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_i = 1;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1583
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1654
  *                 if gap_error == 0:
  *                     i = 1
  *                     self.findexes.reset()             # <<<<<<<<<<<<<<
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  */
-        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1583; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1654; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1583; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1654; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1584
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1655
  *                     i = 1
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -53276,7 +55304,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = (__pyx_v_f_back_low < __pyx_v_f_low);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1585
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1656
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53285,7 +55313,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1586
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1657
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         i = i+1             # <<<<<<<<<<<<<<
@@ -53294,16 +55322,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           __pyx_v_i = (__pyx_v_i + 1);
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1587
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1658
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         i = i+1
  *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:
  */
-          __pyx_t_2 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1587; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_2 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1658; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1587; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1658; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_1);
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
           __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -53311,27 +55339,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L52:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1588
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1659
  *                         i = i+1
  *                         self.findexes.append(sym_setindex(self.category, i))
  *                     self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):
  */
-        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1588; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1659; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1588; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1659; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
         PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_self->findexes1));
         __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-        __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1588; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1659; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1589
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1660
  *                         self.findexes.append(sym_setindex(self.category, i))
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -53341,7 +55369,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_3 = __pyx_v_phrase->n;
         for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1590
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1661
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -53351,7 +55379,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
           if (__pyx_t_4) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1591
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1662
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53360,7 +55388,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1592
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1663
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))
  *                             i = i + 1             # <<<<<<<<<<<<<<
@@ -53372,7 +55400,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           /*else*/ {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1594
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1665
  *                             i = i + 1
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -53384,7 +55412,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_L55:;
         }
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1595
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1666
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])
  *                     if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -53394,7 +55422,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = (__pyx_v_f_back_high > __pyx_v_f_high);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1596
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1667
  *                             fphr_arr._append(phrase.syms[j])
  *                     if f_back_high > f_high:
  *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53403,16 +55431,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1597
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1668
  *                     if f_back_high > f_high:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  * 
  *                     fphr = Phrase(fphr_arr)
  */
-          __pyx_t_10 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1597; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1668; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_10); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1597; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_10); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1668; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_2);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
@@ -53420,25 +55448,25 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L56:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1599
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1670
  *                         self.findexes.append(sym_setindex(self.category, i))
  * 
  *                     fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                     if met_constraints:
  *                         phrase_list = self.extract_phrases(e_low, e_high, e_gap_low + gap_start, e_gap_high + gap_start, e_links_low, num_gaps,
  */
-        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1599; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1670; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
         PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_fphr_arr));
         __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-        __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1599; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1670; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
         __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_10);
         __pyx_t_10 = 0;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1600
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1671
  * 
  *                     fphr = Phrase(fphr_arr)
  *                     if met_constraints:             # <<<<<<<<<<<<<<
@@ -53447,47 +55475,47 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_met_constraints) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1603
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1674
  *                         phrase_list = self.extract_phrases(e_low, e_high, e_gap_low + gap_start, e_gap_high + gap_start, e_links_low, num_gaps,
  *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
  *                                             matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                         if len(phrase_list) > 0:
  *                             pair_count = 1.0 / len(phrase_list)
  */
-          __pyx_t_10 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_low, __pyx_v_e_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, __pyx_v_num_gaps, __pyx_v_f_back_low, __pyx_v_f_back_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1601; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_low, __pyx_v_e_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, __pyx_v_num_gaps, __pyx_v_f_back_low, __pyx_v_f_back_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1672; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __pyx_v_phrase_list = __pyx_t_10;
           __pyx_t_10 = 0;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1604
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1675
  *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
  *                                             matching.sent_id, e_sent_len, e_sent_start)
  *                         if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                             pair_count = 1.0 / len(phrase_list)
  *                         else:
  */
-          __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1675; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_t_9 = (__pyx_t_13 > 0);
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1605
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1676
  *                                             matching.sent_id, e_sent_len, e_sent_start)
  *                         if len(phrase_list) > 0:
  *                             pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                         else:
  *                             pair_count = 0
  */
-            __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1605; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1676; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             if (unlikely(__pyx_t_13 == 0)) {
               PyErr_Format(PyExc_ZeroDivisionError, "float division");
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1605; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1676; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             }
             __pyx_v_pair_count = (1.0 / __pyx_t_13);
             goto __pyx_L58;
           }
           /*else*/ {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1607
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1678
  *                             pair_count = 1.0 / len(phrase_list)
  *                         else:
  *                             pair_count = 0             # <<<<<<<<<<<<<<
@@ -53496,22 +55524,22 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_pair_count = 0.0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1608
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1679
  *                         else:
  *                             pair_count = 0
  *                             reason_for_failure = "Didn't extract anything from [%d, %d] -> [%d, %d]" % (f_back_low, f_back_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *                         for (phrase2,eindexes) in phrase_list:
  *                             als1 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  */
-            __pyx_t_10 = PyInt_FromLong(__pyx_v_f_back_low); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_v_f_back_low); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_2 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_1 = PyInt_FromLong(__pyx_v_e_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyInt_FromLong(__pyx_v_e_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_1);
-            __pyx_t_14 = PyInt_FromLong(__pyx_v_e_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_14 = PyInt_FromLong(__pyx_v_e_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_14);
-            __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_15);
             PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
@@ -53525,7 +55553,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_2 = 0;
             __pyx_t_1 = 0;
             __pyx_t_14 = 0;
-            __pyx_t_14 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_133), ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1608; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_14 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_133), ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1679; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(((PyObject *)__pyx_t_14));
             __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
             __Pyx_DECREF(__pyx_v_reason_for_failure);
@@ -53534,7 +55562,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L58:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1609
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1680
  *                             pair_count = 0
  *                             reason_for_failure = "Didn't extract anything from [%d, %d] -> [%d, %d]" % (f_back_low, f_back_high, e_low, e_high)
  *                         for (phrase2,eindexes) in phrase_list:             # <<<<<<<<<<<<<<
@@ -53545,7 +55573,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_14 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_14); __pyx_t_13 = 0;
             __pyx_t_16 = NULL;
           } else {
-            __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_14);
             __pyx_t_16 = Py_TYPE(__pyx_t_14)->tp_iternext;
           }
@@ -53553,23 +55581,23 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_14)) {
               if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_14)) break;
               #if CYTHON_COMPILING_IN_CPYTHON
-              __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #else
-              __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
             } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_14)) {
               if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
               #if CYTHON_COMPILING_IN_CPYTHON
-              __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #else
-              __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
             } else {
               __pyx_t_15 = __pyx_t_16(__pyx_t_14);
               if (unlikely(!__pyx_t_15)) {
                 if (PyErr_Occurred()) {
                   if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 break;
               }
@@ -53585,7 +55613,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               if (unlikely(size != 2)) {
                 if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                 else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               }
               #if CYTHON_COMPILING_IN_CPYTHON
               if (likely(PyTuple_CheckExact(sequence))) {
@@ -53598,14 +55626,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __Pyx_INCREF(__pyx_t_1);
               __Pyx_INCREF(__pyx_t_2);
               #else
-              __pyx_t_1 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               #endif
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
             } else
             {
               Py_ssize_t index = -1;
-              __pyx_t_10 = PyObject_GetIter(__pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PyObject_GetIter(__pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_10);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
               __pyx_t_17 = Py_TYPE(__pyx_t_10)->tp_iternext;
@@ -53613,7 +55641,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __Pyx_GOTREF(__pyx_t_1);
               index = 1; __pyx_t_2 = __pyx_t_17(__pyx_t_10); if (unlikely(!__pyx_t_2)) goto __pyx_L61_unpacking_failed;
               __Pyx_GOTREF(__pyx_t_2);
-              if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_17 = NULL;
               __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
               goto __pyx_L62_unpacking_done;
@@ -53621,7 +55649,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
               __pyx_t_17 = NULL;
               if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1609; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_L62_unpacking_done:;
             }
             __Pyx_XDECREF(__pyx_v_phrase2);
@@ -53631,7 +55659,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_v_eindexes = __pyx_t_2;
             __pyx_t_2 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1610
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1681
  *                             reason_for_failure = "Didn't extract anything from [%d, %d] -> [%d, %d]" % (f_back_low, f_back_high, e_low, e_high)
  *                         for (phrase2,eindexes) in phrase_list:
  *                             als1 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -53640,31 +55668,31 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_t_15 = ((PyObject *)__pyx_v_self->findexes);
             __Pyx_INCREF(__pyx_t_15);
-            __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_15, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1610; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_15, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1681; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_2);
             __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
             __Pyx_XDECREF(((PyObject *)__pyx_v_als1));
             __pyx_v_als1 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
             __pyx_t_2 = 0;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1611
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1682
  *                         for (phrase2,eindexes) in phrase_list:
  *                             als1 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                             extracts.append((fphr, phrase2, pair_count, tuple(als1)))             # <<<<<<<<<<<<<<
  *                     if (num_gaps < self.max_nonterminals and
  *                         phrase_len < self.max_length and
  */
-            __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1611; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1611; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_15);
             __Pyx_INCREF(((PyObject *)__pyx_v_als1));
             PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_als1));
             __Pyx_GIVEREF(((PyObject *)__pyx_v_als1));
-            __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1611; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
-            __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1611; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_15);
             __Pyx_INCREF(((PyObject *)__pyx_v_fphr));
             PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_fphr));
@@ -53678,7 +55706,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __Pyx_GIVEREF(__pyx_t_1);
             __pyx_t_2 = 0;
             __pyx_t_1 = 0;
-            __pyx_t_1 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1611; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1682; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_1);
             __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
             __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -53688,7 +55716,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L57:;
 
-        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1612
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1683
  *                             als1 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                             extracts.append((fphr, phrase2, pair_count, tuple(als1)))
  *                     if (num_gaps < self.max_nonterminals and             # <<<<<<<<<<<<<<
@@ -53698,7 +55726,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_9 = (__pyx_v_num_gaps < __pyx_v_self->max_nonterminals);
         if (__pyx_t_9) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1613
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1684
  *                             extracts.append((fphr, phrase2, pair_count, tuple(als1)))
  *                     if (num_gaps < self.max_nonterminals and
  *                         phrase_len < self.max_length and             # <<<<<<<<<<<<<<
@@ -53708,7 +55736,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_7 = (__pyx_v_phrase_len < __pyx_v_self->max_length);
           if (__pyx_t_7) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1614
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1685
  *                     if (num_gaps < self.max_nonterminals and
  *                         phrase_len < self.max_length and
  *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):             # <<<<<<<<<<<<<<
@@ -53726,7 +55754,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_7) {
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1615
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1686
  *                         phrase_len < self.max_length and
  *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):
  *                         if (f_back_low == f_low and             # <<<<<<<<<<<<<<
@@ -53736,7 +55764,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_7 = (__pyx_v_f_back_low == __pyx_v_f_low);
           if (__pyx_t_7) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1616
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1687
  *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):
  *                         if (f_back_low == f_low and
  *                                 f_low >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -53746,7 +55774,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_9 = (__pyx_v_f_low >= __pyx_v_self->train_min_gap_size);
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1617
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1688
  *                         if (f_back_low == f_low and
  *                                 f_low >= self.train_min_gap_size and
  *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):             # <<<<<<<<<<<<<<
@@ -53776,7 +55804,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1618
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1689
  *                                 f_low >= self.train_min_gap_size and
  *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
  *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -53785,7 +55813,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_f_x_low = (__pyx_v_f_low - __pyx_v_self->train_min_gap_size);
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1619
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1690
  *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             met_constraints = 1             # <<<<<<<<<<<<<<
@@ -53794,7 +55822,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1620
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1691
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             met_constraints = 1
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -53803,7 +55831,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1621
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1692
  *                             met_constraints = 1
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
@@ -53820,7 +55848,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1622
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1693
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -53833,7 +55861,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L65:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1623
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1694
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -53849,7 +55877,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_7) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1624
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1695
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -53861,7 +55889,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L68:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1626
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1697
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -53870,17 +55898,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1627
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1698
  * 
  *                             if (met_constraints and
  *                                 self.find_fixpoint(f_x_low, f_back_high,             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  */
-              __pyx_t_14 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1627; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1631
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1702
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -53890,7 +55918,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0)) {
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1633
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1704
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             1, 1, 1, 1, 0, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and             # <<<<<<<<<<<<<<
@@ -53906,17 +55934,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_9) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1634
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1705
  *                                             1, 1, 1, 1, 0, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and
  *                                 self.find_fixpoint(f_x_low, f_low,    # check integrity of new subphrase             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  */
-                  __pyx_t_1 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1705; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_1);
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1638
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1709
  *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -53939,7 +55967,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_7) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1640
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1711
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -53948,7 +55976,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1641
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1712
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -53957,35 +55985,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1642
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1713
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  */
-              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1642; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1713; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_1 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1642; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1713; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1643
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1714
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  */
-              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
-              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1644
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1715
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53994,7 +56022,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1645
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1716
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -54003,27 +56031,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1646
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1717
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  */
-              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1646; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1717; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1646; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1717; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
               PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_15 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1646; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1717; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1647
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1718
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -54033,7 +56061,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_3 = __pyx_v_phrase->n;
               for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1648
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1719
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -54043,7 +56071,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
                 if (__pyx_t_4) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1649
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1720
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54052,7 +56080,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1650
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1721
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -54064,7 +56092,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1652
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1723
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -54076,7 +56104,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L72:;
               }
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1653
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1724
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -54086,7 +56114,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_7 = (__pyx_v_f_back_high > __pyx_v_f_high);
               if (__pyx_t_7) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1654
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1725
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54095,16 +56123,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1655
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1726
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  */
-                __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1655; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1726; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
-                __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1655; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1726; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -54112,67 +56140,67 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L73:;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1656
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1727
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  */
-              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1656; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1727; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
               PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1656; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1727; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
               __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_15);
               __pyx_t_15 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1659
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1730
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  *                                                     e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_15 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1657; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1728; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_XDECREF(__pyx_v_phrase_list);
               __pyx_v_phrase_list = __pyx_t_15;
               __pyx_t_15 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1660
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1731
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  *                                                     e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1731; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_7 = (__pyx_t_13 > 0);
               if (__pyx_t_7) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1661
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1732
  *                                                     e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1661; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1732; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1661; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1732; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L74;
               }
               /*else*/ {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1663
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1734
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -54183,7 +56211,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L74:;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1664
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1735
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2,eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -54194,7 +56222,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_15 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_15); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __pyx_t_16 = Py_TYPE(__pyx_t_15)->tp_iternext;
               }
@@ -54202,23 +56230,23 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_15)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_15)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_1 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_15)) {
                   if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_15)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else {
                   __pyx_t_1 = __pyx_t_16(__pyx_t_15);
                   if (unlikely(!__pyx_t_1)) {
                     if (PyErr_Occurred()) {
                       if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -54234,7 +56262,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   if (unlikely(size != 2)) {
                     if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                     else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   }
                   #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
@@ -54247,14 +56275,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_INCREF(__pyx_t_14);
                   __Pyx_INCREF(__pyx_t_2);
                   #else
-                  __pyx_t_14 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 } else
                 {
                   Py_ssize_t index = -1;
-                  __pyx_t_10 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_10 = PyObject_GetIter(__pyx_t_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_10);
                   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                   __pyx_t_17 = Py_TYPE(__pyx_t_10)->tp_iternext;
@@ -54262,7 +56290,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_GOTREF(__pyx_t_14);
                   index = 1; __pyx_t_2 = __pyx_t_17(__pyx_t_10); if (unlikely(!__pyx_t_2)) goto __pyx_L77_unpacking_failed;
                   __Pyx_GOTREF(__pyx_t_2);
-                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_t_17 = NULL;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   goto __pyx_L78_unpacking_done;
@@ -54270,7 +56298,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   __pyx_t_17 = NULL;
                   if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1664; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L78_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -54280,7 +56308,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1665
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1736
  *                                     pair_count = 0
  *                                 for phrase2,eindexes in phrase_list:
  *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -54289,31 +56317,31 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 __pyx_t_1 = ((PyObject *)__pyx_v_self->findexes);
                 __Pyx_INCREF(__pyx_t_1);
-                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_1, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1665; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_1, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1736; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
                 __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 __Pyx_XDECREF(((PyObject *)__pyx_v_als2));
                 __pyx_v_als2 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1666
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1737
  *                                 for phrase2,eindexes in phrase_list:
  *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))             # <<<<<<<<<<<<<<
  * 
  *                         if (f_back_high == f_high and
  */
-                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1666; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
-                __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1666; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_INCREF(((PyObject *)__pyx_v_als2));
                 PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_als2));
                 __Pyx_GIVEREF(((PyObject *)__pyx_v_als2));
-                __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1666; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-                __pyx_t_1 = PyTuple_New(4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1666; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_1 = PyTuple_New(4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_INCREF(((PyObject *)__pyx_v_fphr));
                 PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_fphr));
@@ -54327,7 +56355,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __Pyx_GIVEREF(__pyx_t_14);
                 __pyx_t_2 = 0;
                 __pyx_t_14 = 0;
-                __pyx_t_14 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1666; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
@@ -54340,7 +56368,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L64:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1668
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1739
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
  * 
  *                         if (f_back_high == f_high and             # <<<<<<<<<<<<<<
@@ -54350,7 +56378,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_7 = (__pyx_v_f_back_high == __pyx_v_f_high);
           if (__pyx_t_7) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1669
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1740
  * 
  *                         if (f_back_high == f_high and
  *                             f_sent_len - f_high >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -54360,7 +56388,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_9 = ((__pyx_v_f_sent_len - __pyx_v_f_high) >= __pyx_v_self->train_min_gap_size);
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1670
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1741
  *                         if (f_back_high == f_high and
  *                             f_sent_len - f_high >= self.train_min_gap_size and
  *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):             # <<<<<<<<<<<<<<
@@ -54390,7 +56418,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1671
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1742
  *                             f_sent_len - f_high >= self.train_min_gap_size and
  *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
  *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -54399,7 +56427,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_f_x_high = (__pyx_v_f_high + __pyx_v_self->train_min_gap_size);
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1672
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1743
  *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             met_constraints = 1             # <<<<<<<<<<<<<<
@@ -54408,7 +56436,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1673
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1744
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             met_constraints = 1
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -54417,7 +56445,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1674
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1745
  *                             met_constraints = 1
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -54434,7 +56462,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1675
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1746
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
@@ -54447,7 +56475,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L80:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1676
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1747
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_back_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -54463,7 +56491,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_7) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1677
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1748
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_back_low > self.train_max_initial_size:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -54475,7 +56503,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L83:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1679
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1750
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -54484,17 +56512,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1680
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1751
  * 
  *                             if (met_constraints and
  *                                 self.find_fixpoint(f_back_low, f_x_high,             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  */
-              __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1680; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1751; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1684
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1755
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -54504,7 +56532,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0)) {
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1686
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1757
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             1, 1, 1, 0, 1, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and             # <<<<<<<<<<<<<<
@@ -54520,17 +56548,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_9) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1687
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1758
  *                                             1, 1, 1, 0, 1, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and
  *                                 self.find_fixpoint(f_high, f_x_high,             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             -1, -1, e_gap_low+gap_start+num_gaps, e_gap_high+gap_start+num_gaps,
  */
-                  __pyx_t_14 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1687; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1758; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_14);
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1692
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1763
  *                                             f_gap_low+gap_start+num_gaps, f_gap_high+gap_start+num_gaps,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -54553,7 +56581,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_7) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1694
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1765
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -54562,7 +56590,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1695
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1766
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -54571,21 +56599,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1696
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1767
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  */
-              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1696; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1696; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1767; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1697
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1768
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -54595,7 +56623,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
               if (__pyx_t_7) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1698
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1769
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54604,7 +56632,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1699
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1770
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     i = i+1             # <<<<<<<<<<<<<<
@@ -54613,16 +56641,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 __pyx_v_i = (__pyx_v_i + 1);
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1700
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1771
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     i = i+1
  *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  */
-                __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1700; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
-                __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1700; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
@@ -54630,27 +56658,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L85:;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1701
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1772
  *                                     i = i+1
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  */
-              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1701; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1701; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
               PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_1 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1701; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1702
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1773
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -54660,7 +56688,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_3 = __pyx_v_phrase->n;
               for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1703
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1774
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -54670,7 +56698,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
                 if (__pyx_t_4) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1704
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1775
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54679,7 +56707,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1705
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1776
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -54691,7 +56719,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1707
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1778
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -54703,7 +56731,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L88:;
               }
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1708
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1779
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54712,81 +56740,81 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1709
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1780
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  */
-              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1709; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
-              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1709; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1710
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1781
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  */
-              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1710; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
               PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1710; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
               __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
               __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1713
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1784
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1711; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1782; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_XDECREF(__pyx_v_phrase_list);
               __pyx_v_phrase_list = __pyx_t_1;
               __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1714
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1785
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_7 = (__pyx_t_13 > 0);
               if (__pyx_t_7) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1715
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1786
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1715; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1786; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1715; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1786; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L89;
               }
               /*else*/ {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1717
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1788
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -54797,7 +56825,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L89:;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1718
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1789
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -54808,7 +56836,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_1 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_1); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __pyx_t_16 = Py_TYPE(__pyx_t_1)->tp_iternext;
               }
@@ -54816,23 +56844,23 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_1)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_1)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_1)) {
                   if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else {
                   __pyx_t_14 = __pyx_t_16(__pyx_t_1);
                   if (unlikely(!__pyx_t_14)) {
                     if (PyErr_Occurred()) {
                       if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -54848,7 +56876,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   if (unlikely(size != 2)) {
                     if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                     else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   }
                   #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
@@ -54861,14 +56889,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_INCREF(__pyx_t_15);
                   __Pyx_INCREF(__pyx_t_2);
                   #else
-                  __pyx_t_15 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                   __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
                 } else
                 {
                   Py_ssize_t index = -1;
-                  __pyx_t_10 = PyObject_GetIter(__pyx_t_14); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_10 = PyObject_GetIter(__pyx_t_14); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_10);
                   __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
                   __pyx_t_17 = Py_TYPE(__pyx_t_10)->tp_iternext;
@@ -54876,7 +56904,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_GOTREF(__pyx_t_15);
                   index = 1; __pyx_t_2 = __pyx_t_17(__pyx_t_10); if (unlikely(!__pyx_t_2)) goto __pyx_L92_unpacking_failed;
                   __Pyx_GOTREF(__pyx_t_2);
-                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_t_17 = NULL;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   goto __pyx_L93_unpacking_done;
@@ -54884,7 +56912,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   __pyx_t_17 = NULL;
                   if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1718; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L93_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -54894,7 +56922,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1719
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1790
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -54903,31 +56931,31 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 __pyx_t_14 = ((PyObject *)__pyx_v_self->findexes);
                 __Pyx_INCREF(__pyx_t_14);
-                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_14, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1719; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_14, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1790; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
                 __Pyx_XDECREF(((PyObject *)__pyx_v_als3));
                 __pyx_v_als3 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1720
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1791
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))             # <<<<<<<<<<<<<<
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and
  */
-                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1720; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
-                __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1720; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __Pyx_INCREF(((PyObject *)__pyx_v_als3));
                 PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_als3));
                 __Pyx_GIVEREF(((PyObject *)__pyx_v_als3));
-                __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1720; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
-                __pyx_t_14 = PyTuple_New(4); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1720; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = PyTuple_New(4); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __Pyx_INCREF(((PyObject *)__pyx_v_fphr));
                 PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_fphr));
@@ -54941,7 +56969,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __Pyx_GIVEREF(__pyx_t_15);
                 __pyx_t_2 = 0;
                 __pyx_t_15 = 0;
-                __pyx_t_15 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_14)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1720; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_14)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
@@ -54954,7 +56982,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L79:;
 
-          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1721
+          /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1792
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  *                         if (num_gaps < self.max_nonterminals - 1 and             # <<<<<<<<<<<<<<
@@ -54964,7 +56992,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_7 = (__pyx_v_num_gaps < (__pyx_v_self->max_nonterminals - 1));
           if (__pyx_t_7) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1722
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1793
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and             # <<<<<<<<<<<<<<
@@ -54974,7 +57002,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_9 = ((__pyx_v_phrase_len + 1) < __pyx_v_self->max_length);
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1723
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1794
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and             # <<<<<<<<<<<<<<
@@ -54984,7 +57012,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_18 = (__pyx_v_f_back_high == __pyx_v_f_high);
               if (__pyx_t_18) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1724
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1795
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and
  *                             f_back_low == f_low and             # <<<<<<<<<<<<<<
@@ -54994,7 +57022,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_8 = (__pyx_v_f_back_low == __pyx_v_f_low);
                 if (__pyx_t_8) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1725
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1796
  *                             f_back_high == f_high and
  *                             f_back_low == f_low and
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
@@ -55004,7 +57032,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __pyx_t_19 = (((__pyx_v_f_back_high - __pyx_v_f_back_low) + (2 * __pyx_v_self->train_min_gap_size)) <= __pyx_v_self->train_max_initial_size);
                   if (__pyx_t_19) {
 
-                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1726
+                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1797
  *                             f_back_low == f_low and
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
  *                             f_low >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -55014,7 +57042,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                     __pyx_t_20 = (__pyx_v_f_low >= __pyx_v_self->train_min_gap_size);
                     if (__pyx_t_20) {
 
-                      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1727
+                      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1798
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
  *                             f_low >= self.train_min_gap_size and
  *                             f_high <= f_sent_len - self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -55024,7 +57052,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                       __pyx_t_21 = (__pyx_v_f_high <= (__pyx_v_f_sent_len - __pyx_v_self->train_min_gap_size));
                       if (__pyx_t_21) {
 
-                        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1728
+                        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1799
  *                             f_low >= self.train_min_gap_size and
  *                             f_high <= f_sent_len - self.train_min_gap_size and
  *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):             # <<<<<<<<<<<<<<
@@ -55074,7 +57102,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_9) {
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1730
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1801
  *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
  * 
  *                             met_constraints = 1             # <<<<<<<<<<<<<<
@@ -55083,7 +57111,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1731
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1802
  * 
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -55092,7 +57120,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_f_x_low = (__pyx_v_f_low - __pyx_v_self->train_min_gap_size);
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1732
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1803
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -55101,7 +57129,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1733
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1804
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
@@ -55118,7 +57146,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1734
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1805
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -55131,7 +57159,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L95:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1735
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1806
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0:             # <<<<<<<<<<<<<<
@@ -55141,7 +57169,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_18 = (__pyx_v_f_x_low < 0);
             if (__pyx_t_18) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1736
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1807
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -55153,7 +57181,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L98:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1738
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1809
  *                                 met_constraints = 0
  * 
  *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -55162,7 +57190,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_f_x_high = (__pyx_v_f_high + __pyx_v_self->train_min_gap_size);
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1739
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1810
  * 
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -55171,7 +57199,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1740
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1811
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -55188,7 +57216,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_7) break;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1741
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1812
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
@@ -55201,7 +57229,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L99:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1742
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1813
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -55217,7 +57245,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1743
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1814
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -55229,7 +57257,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L102:;
 
-            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1745
+            /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1816
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -55238,17 +57266,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1746
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1817
  * 
  *                             if (met_constraints and
  *                                 (self.find_fixpoint(f_x_low, f_x_high,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  */
-              __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1746; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1817; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1750
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1821
  *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -55259,7 +57287,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               if (__pyx_t_9) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1752
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1823
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 1, 1, 2, 1, 1, 1, 1) == 1) and
  *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and             # <<<<<<<<<<<<<<
@@ -55281,17 +57309,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_18) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1753
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1824
  *                                                 1, 1, 2, 1, 1, 1, 1) == 1) and
  *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and
  *                                 self.find_fixpoint(f_x_low, f_low,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  */
-                  __pyx_t_1 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1753; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_1);
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1757
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1828
  *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -55302,17 +57330,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                   if (__pyx_t_3) {
 
-                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1759
+                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1830
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 0, 0, 0, 0, 0, 0, 0) and
  *                                 self.find_fixpoint(f_high, f_x_high,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 -1, -1, e_gap_low+1+num_gaps, e_gap_high+1+num_gaps,
  */
-                    __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1759; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     __Pyx_GOTREF(__pyx_t_1);
 
-                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1764
+                    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1835
  *                                                 f_gap_low+1+num_gaps, f_gap_high+1+num_gaps,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
@@ -55339,7 +57367,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1766
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1837
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -55348,7 +57376,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1767
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1838
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -55357,35 +57385,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1768
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1839
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  */
-              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
-              __pyx_t_15 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1769
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1840
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  */
-              __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1770
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1841
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -55394,7 +57422,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1771
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1842
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -55403,27 +57431,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1772
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1843
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  */
-              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
-              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
               PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_14 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1772; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1843; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1773
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1844
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -55433,7 +57461,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               __pyx_t_3 = __pyx_v_phrase->n;
               for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1774
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1845
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -55443,7 +57471,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
                 if (__pyx_t_4) {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1775
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1846
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -55452,7 +57480,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1776
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1847
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -55464,7 +57492,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1778
+                  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1849
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -55476,7 +57504,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L106:;
               }
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1779
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1850
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -55485,81 +57513,81 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1780
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1851
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  */
-              __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1780; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1851; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1781
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1852
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  */
-              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
               PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1852; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
               __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_14);
               __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1784
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1855
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_14 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 2), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1782; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 2), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1853; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_XDECREF(__pyx_v_phrase_list);
               __pyx_v_phrase_list = __pyx_t_14;
               __pyx_t_14 = 0;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1785
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1856
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1856; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_9 = (__pyx_t_13 > 0);
               if (__pyx_t_9) {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1786
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1857
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1786; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1857; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1786; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1857; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L107;
               }
               /*else*/ {
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1788
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1859
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -55570,7 +57598,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L107:;
 
-              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1789
+              /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1860
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -55581,7 +57609,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_t_14 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_14); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __pyx_t_16 = Py_TYPE(__pyx_t_14)->tp_iternext;
               }
@@ -55589,23 +57617,23 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_14)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_14)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_14)) {
                   if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
                   #if CYTHON_COMPILING_IN_CPYTHON
-                  __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #else
-                  __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                 } else {
                   __pyx_t_15 = __pyx_t_16(__pyx_t_14);
                   if (unlikely(!__pyx_t_15)) {
                     if (PyErr_Occurred()) {
                       if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -55621,7 +57649,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   if (unlikely(size != 2)) {
                     if (size > 2) __Pyx_RaiseTooManyValuesError(2);
                     else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
-                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   }
                   #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
@@ -55634,14 +57662,14 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_INCREF(__pyx_t_1);
                   __Pyx_INCREF(__pyx_t_2);
                   #else
-                  __pyx_t_1 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_1 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_2 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   #endif
                   __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 } else
                 {
                   Py_ssize_t index = -1;
-                  __pyx_t_10 = PyObject_GetIter(__pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_10 = PyObject_GetIter(__pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_10);
                   __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                   __pyx_t_17 = Py_TYPE(__pyx_t_10)->tp_iternext;
@@ -55649,7 +57677,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_GOTREF(__pyx_t_1);
                   index = 1; __pyx_t_2 = __pyx_t_17(__pyx_t_10); if (unlikely(!__pyx_t_2)) goto __pyx_L110_unpacking_failed;
                   __Pyx_GOTREF(__pyx_t_2);
-                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_10), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_t_17 = NULL;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   goto __pyx_L111_unpacking_done;
@@ -55657,7 +57685,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                   __pyx_t_17 = NULL;
                   if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1789; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1860; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L111_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -55667,7 +57695,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1790
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1861
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als4 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -55676,31 +57704,31 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 __pyx_t_15 = ((PyObject *)__pyx_v_self->findexes);
                 __Pyx_INCREF(__pyx_t_15);
-                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_15, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1790; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->create_alignments(__pyx_v_self, __pyx_v_sent_links, __pyx_v_num_links, __pyx_t_15, __pyx_v_eindexes)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1861; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                 __Pyx_XDECREF(((PyObject *)__pyx_v_als4));
                 __pyx_v_als4 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
                 __pyx_t_2 = 0;
 
-                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1791
+                /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1862
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als4 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als4)))             # <<<<<<<<<<<<<<
  *             else:
  *                 reason_for_failure = "Unable to extract basic phrase"
  */
-                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_2);
-                __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_INCREF(((PyObject *)__pyx_v_als4));
                 PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_als4));
                 __Pyx_GIVEREF(((PyObject *)__pyx_v_als4));
-                __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
-                __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_15 = PyTuple_New(4); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __Pyx_INCREF(((PyObject *)__pyx_v_fphr));
                 PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_fphr));
@@ -55714,7 +57742,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __Pyx_GIVEREF(__pyx_t_1);
                 __pyx_t_2 = 0;
                 __pyx_t_1 = 0;
-                __pyx_t_1 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1791; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_1 = __Pyx_PyObject_Append(__pyx_v_extracts, ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
                 __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -55736,7 +57764,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     /*else*/ {
 
-      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1793
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1864
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als4)))
  *             else:
  *                 reason_for_failure = "Unable to extract basic phrase"             # <<<<<<<<<<<<<<
@@ -55752,7 +57780,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   __pyx_L33:;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1795
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1866
  *                 reason_for_failure = "Unable to extract basic phrase"
  * 
  *         free(sent_links)             # <<<<<<<<<<<<<<
@@ -55761,7 +57789,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_sent_links);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1796
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1867
  * 
  *         free(sent_links)
  *         free(f_links_low)             # <<<<<<<<<<<<<<
@@ -55770,7 +57798,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_f_links_low);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1797
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1868
  *         free(sent_links)
  *         free(f_links_low)
  *         free(f_links_high)             # <<<<<<<<<<<<<<
@@ -55779,7 +57807,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_f_links_high);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1798
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1869
  *         free(f_links_low)
  *         free(f_links_high)
  *         free(e_links_low)             # <<<<<<<<<<<<<<
@@ -55788,7 +57816,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_e_links_low);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1799
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1870
  *         free(f_links_high)
  *         free(e_links_low)
  *         free(e_links_high)             # <<<<<<<<<<<<<<
@@ -55797,7 +57825,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_e_links_high);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1800
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1871
  *         free(e_links_low)
  *         free(e_links_high)
  *         free(f_gap_low)             # <<<<<<<<<<<<<<
@@ -55806,7 +57834,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_f_gap_low);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1801
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1872
  *         free(e_links_high)
  *         free(f_gap_low)
  *         free(f_gap_high)             # <<<<<<<<<<<<<<
@@ -55815,7 +57843,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_f_gap_high);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1802
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1873
  *         free(f_gap_low)
  *         free(f_gap_high)
  *         free(e_gap_low)             # <<<<<<<<<<<<<<
@@ -55824,7 +57852,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_e_gap_low);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1803
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1874
  *         free(f_gap_high)
  *         free(e_gap_low)
  *         free(e_gap_high)             # <<<<<<<<<<<<<<
@@ -55833,10 +57861,12 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   free(__pyx_v_e_gap_high);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1805
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1876
  *         free(e_gap_high)
  * 
  *         return extracts             # <<<<<<<<<<<<<<
+ * 
+ *     #
  */
   __Pyx_XDECREF(__pyx_r);
   __Pyx_INCREF(__pyx_v_extracts);
@@ -55874,6 +57904,8411 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
 }
 
 /* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_26add_instance(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_26add_instance(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f_words = 0;
+  PyObject *__pyx_v_e_words = 0;
+  PyObject *__pyx_v_alignment = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("add_instance (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f_words,&__pyx_n_s__e_words,&__pyx_n_s__alignment,0};
+    PyObject* values[3] = {0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_words)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e_words)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("add_instance", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1884; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alignment)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("add_instance", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1884; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "add_instance") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1884; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+    }
+    __pyx_v_f_words = values[0];
+    __pyx_v_e_words = values[1];
+    __pyx_v_alignment = values[2];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("add_instance", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1884; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.add_instance", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_25add_instance(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_f_words, __pyx_v_e_words, __pyx_v_alignment);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_12add_instance_1extract(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_12add_instance_1extract = {__Pyx_NAMESTR("extract"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_12add_instance_1extract, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_12add_instance_1extract(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f_i = 0;
+  PyObject *__pyx_v_f_j = 0;
+  PyObject *__pyx_v_e_i = 0;
+  PyObject *__pyx_v_e_j = 0;
+  PyObject *__pyx_v_min_bound = 0;
+  PyObject *__pyx_v_wc = 0;
+  PyObject *__pyx_v_links = 0;
+  PyObject *__pyx_v_nt = 0;
+  PyObject *__pyx_v_nt_open = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("extract (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f_i,&__pyx_n_s__f_j,&__pyx_n_s__e_i,&__pyx_n_s__e_j,&__pyx_n_s__min_bound,&__pyx_n_s__wc,&__pyx_n_s__links,&__pyx_n_s__nt,&__pyx_n_s__nt_open,0};
+    PyObject* values[9] = {0,0,0,0,0,0,0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  9: values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
+        case  8: values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_i)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e_i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  3:
+        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e_j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  4:
+        if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__min_bound)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 4); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  5:
+        if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__wc)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 5); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  6:
+        if (likely((values[6] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__links)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 6); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  7:
+        if (likely((values[7] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__nt)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 7); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  8:
+        if (likely((values[8] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__nt_open)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, 8); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "extract") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 9) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+      values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+      values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+      values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+      values[7] = PyTuple_GET_ITEM(__pyx_args, 7);
+      values[8] = PyTuple_GET_ITEM(__pyx_args, 8);
+    }
+    __pyx_v_f_i = values[0];
+    __pyx_v_f_j = values[1];
+    __pyx_v_e_i = values[2];
+    __pyx_v_e_j = values[3];
+    __pyx_v_min_bound = values[4];
+    __pyx_v_wc = values[5];
+    __pyx_v_links = values[6];
+    __pyx_v_nt = values[7];
+    __pyx_v_nt_open = values[8];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("extract", 1, 9, 9, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.add_instance.extract", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_12add_instance_extract(__pyx_self, __pyx_v_f_i, __pyx_v_f_j, __pyx_v_e_i, __pyx_v_e_j, __pyx_v_min_bound, __pyx_v_wc, __pyx_v_links, __pyx_v_nt, __pyx_v_nt_open);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1918
+ *         # f_ i and j are current, e_ i and j are previous
+ *         # We care _considering_ f_j, so it is not yet in counts
+ *         def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12add_instance_extract(PyObject *__pyx_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_f_j, PyObject *__pyx_v_e_i, PyObject *__pyx_v_e_j, PyObject *__pyx_v_min_bound, PyObject *__pyx_v_wc, PyObject *__pyx_v_links, PyObject *__pyx_v_nt, PyObject *__pyx_v_nt_open) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *__pyx_outer_scope;
+  PyObject *__pyx_v_link_i = NULL;
+  PyObject *__pyx_v_link_j = NULL;
+  PyObject *__pyx_v_new_e_i = NULL;
+  PyObject *__pyx_v_new_e_j = NULL;
+  PyObject *__pyx_v_new_min_bound = NULL;
+  PyObject *__pyx_v_i = NULL;
+  int __pyx_v_nt_collision;
+  PyObject *__pyx_v_link = NULL;
+  PyObject *__pyx_v_plus_links = NULL;
+  PyObject *__pyx_v_old_last_nt = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  PyObject *__pyx_t_8 = NULL;
+  int __pyx_t_9;
+  int __pyx_t_10;
+  int __pyx_t_11;
+  PyObject *(*__pyx_t_12)(PyObject *);
+  int __pyx_t_13;
+  Py_ssize_t __pyx_t_14;
+  PyObject *__pyx_t_15 = NULL;
+  int __pyx_t_16;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("extract", 0);
+  __pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *) __Pyx_CyFunction_GetClosure(__pyx_self);
+  __pyx_cur_scope = __pyx_outer_scope;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1920
+ *         def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:             # <<<<<<<<<<<<<<
+ *                 return
+ *             # Unaligned word
+ */
+  if (unlikely(!__pyx_cur_scope->__pyx_v_f_len)) { __Pyx_RaiseClosureNameError("f_len"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_1 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_f_len, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_RichCompare(__pyx_v_f_j, __pyx_t_1, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  if (!__pyx_t_3) {
+    __pyx_t_2 = PyNumber_Subtract(__pyx_v_f_j, __pyx_v_f_i); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = PyNumber_Add(__pyx_t_2, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_4 = PyObject_RichCompare(__pyx_t_1, __pyx_t_2, Py_GT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1920; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_6 = __pyx_t_5;
+  } else {
+    __pyx_t_6 = __pyx_t_3;
+  }
+  if (__pyx_t_6) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1921
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ *                 return             # <<<<<<<<<<<<<<
+ *             # Unaligned word
+ *             if not al[f_j]:
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1923
+ *                 return
+ *             # Unaligned word
+ *             if not al[f_j]:             # <<<<<<<<<<<<<<
+ *                 # Adjacent to non-terminal: extend (non-terminal now open)
+ *                 if nt and nt[-1][2] == f_j - 1:
+ */
+  if (unlikely(!__pyx_cur_scope->__pyx_v_al)) { __Pyx_RaiseClosureNameError("al"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1923; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_al, __pyx_v_f_j); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1923; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1923; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __pyx_t_3 = (!__pyx_t_6);
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1925
+ *             if not al[f_j]:
+ *                 # Adjacent to non-terminal: extend (non-terminal now open)
+ *                 if nt and nt[-1][2] == f_j - 1:             # <<<<<<<<<<<<<<
+ *                     nt[-1][2] += 1
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)
+ */
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_nt); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__pyx_t_3) {
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_4, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyNumber_Subtract(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1925; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_5 = __pyx_t_6;
+    } else {
+      __pyx_t_5 = __pyx_t_3;
+    }
+    if (__pyx_t_5) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1926
+ *                 # Adjacent to non-terminal: extend (non-terminal now open)
+ *                 if nt and nt[-1][2] == f_j - 1:
+ *                     nt[-1][2] += 1             # <<<<<<<<<<<<<<
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)
+ *                     nt[-1][2] -= 1
+ */
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_7 = 2;
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_1, __pyx_t_7, sizeof(Py_ssize_t), PyInt_FromSsize_t); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__Pyx_SetItemInt(__pyx_t_1, __pyx_t_7, __pyx_t_2, sizeof(Py_ssize_t), PyInt_FromSsize_t) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1926; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1927
+ *                 if nt and nt[-1][2] == f_j - 1:
+ *                     nt[-1][2] += 1
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)             # <<<<<<<<<<<<<<
+ *                     nt[-1][2] -= 1
+ *                 # Unless non-terminal already open, always extend with word
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1927; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_1 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1927; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1927; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = PyTuple_New(9); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1927; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_1);
+      __Pyx_GIVEREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_e_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_e_i);
+      __Pyx_GIVEREF(__pyx_v_e_i);
+      __Pyx_INCREF(__pyx_v_e_j);
+      PyTuple_SET_ITEM(__pyx_t_4, 3, __pyx_v_e_j);
+      __Pyx_GIVEREF(__pyx_v_e_j);
+      __Pyx_INCREF(__pyx_v_min_bound);
+      PyTuple_SET_ITEM(__pyx_t_4, 4, __pyx_v_min_bound);
+      __Pyx_GIVEREF(__pyx_v_min_bound);
+      __Pyx_INCREF(__pyx_v_wc);
+      PyTuple_SET_ITEM(__pyx_t_4, 5, __pyx_v_wc);
+      __Pyx_GIVEREF(__pyx_v_wc);
+      __Pyx_INCREF(__pyx_v_links);
+      PyTuple_SET_ITEM(__pyx_t_4, 6, __pyx_v_links);
+      __Pyx_GIVEREF(__pyx_v_links);
+      __Pyx_INCREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_4, 7, __pyx_v_nt);
+      __Pyx_GIVEREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_4, 8, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __pyx_t_1 = 0;
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1927; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1928
+ *                     nt[-1][2] += 1
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)
+ *                     nt[-1][2] -= 1             # <<<<<<<<<<<<<<
+ *                 # Unless non-terminal already open, always extend with word
+ *                 # Make sure adding a word doesn't exceed length
+ */
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_7 = 2;
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_2, __pyx_t_7, sizeof(Py_ssize_t), PyInt_FromSsize_t); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_1 = PyNumber_InPlaceSubtract(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__Pyx_SetItemInt(__pyx_t_2, __pyx_t_7, __pyx_t_1, sizeof(Py_ssize_t), PyInt_FromSsize_t) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1928; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1931
+ *                 # Unless non-terminal already open, always extend with word
+ *                 # Make sure adding a word doesn't exceed length
+ *                 if not nt_open and wc < self.max_length:             # <<<<<<<<<<<<<<
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc + 1, links, nt, False)
+ *                 return
+ */
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_nt_open); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = (!__pyx_t_5);
+    if (__pyx_t_3) {
+      __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_wc, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1931; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_6 = __pyx_t_5;
+    } else {
+      __pyx_t_6 = __pyx_t_3;
+    }
+    if (__pyx_t_6) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1932
+ *                 # Make sure adding a word doesn't exceed length
+ *                 if not nt_open and wc < self.max_length:
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc + 1, links, nt, False)             # <<<<<<<<<<<<<<
+ *                 return
+ *             # Aligned word
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_1 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = PyNumber_Add(__pyx_v_wc, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyTuple_New(9); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_1);
+      __Pyx_GIVEREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_e_i);
+      PyTuple_SET_ITEM(__pyx_t_8, 2, __pyx_v_e_i);
+      __Pyx_GIVEREF(__pyx_v_e_i);
+      __Pyx_INCREF(__pyx_v_e_j);
+      PyTuple_SET_ITEM(__pyx_t_8, 3, __pyx_v_e_j);
+      __Pyx_GIVEREF(__pyx_v_e_j);
+      __Pyx_INCREF(__pyx_v_min_bound);
+      PyTuple_SET_ITEM(__pyx_t_8, 4, __pyx_v_min_bound);
+      __Pyx_GIVEREF(__pyx_v_min_bound);
+      PyTuple_SET_ITEM(__pyx_t_8, 5, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_v_links);
+      PyTuple_SET_ITEM(__pyx_t_8, 6, __pyx_v_links);
+      __Pyx_GIVEREF(__pyx_v_links);
+      __Pyx_INCREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_8, 7, __pyx_v_nt);
+      __Pyx_GIVEREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_8, 8, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __pyx_t_1 = 0;
+      __pyx_t_2 = 0;
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      goto __pyx_L6;
+    }
+    __pyx_L6:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1933
+ *                 if not nt_open and wc < self.max_length:
+ *                     extract(f_i, f_j + 1, e_i, e_j, min_bound, wc + 1, links, nt, False)
+ *                 return             # <<<<<<<<<<<<<<
+ *             # Aligned word
+ *             link_i = fe_span[f_j][0]
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+    goto __pyx_L0;
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1935
+ *                 return
+ *             # Aligned word
+ *             link_i = fe_span[f_j][0]             # <<<<<<<<<<<<<<
+ *             link_j = fe_span[f_j][1]
+ *             new_e_i = min(link_i, e_i)
+ */
+  if (unlikely(!__pyx_cur_scope->__pyx_v_fe_span)) { __Pyx_RaiseClosureNameError("fe_span"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1935; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f_j); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1935; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_4, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1935; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __pyx_v_link_i = __pyx_t_8;
+  __pyx_t_8 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1936
+ *             # Aligned word
+ *             link_i = fe_span[f_j][0]
+ *             link_j = fe_span[f_j][1]             # <<<<<<<<<<<<<<
+ *             new_e_i = min(link_i, e_i)
+ *             new_e_j = max(link_j, e_j)
+ */
+  __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f_j); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1936; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_8, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1936; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __pyx_v_link_j = __pyx_t_4;
+  __pyx_t_4 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1937
+ *             link_i = fe_span[f_j][0]
+ *             link_j = fe_span[f_j][1]
+ *             new_e_i = min(link_i, e_i)             # <<<<<<<<<<<<<<
+ *             new_e_j = max(link_j, e_j)
+ *             # Check reverse links of newly covered words to see if they violate left
+ */
+  __Pyx_INCREF(__pyx_v_e_i);
+  __pyx_t_4 = __pyx_v_e_i;
+  __Pyx_INCREF(__pyx_v_link_i);
+  __pyx_t_8 = __pyx_v_link_i;
+  __pyx_t_1 = PyObject_RichCompare(__pyx_t_4, __pyx_t_8, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1937; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1937; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  if (__pyx_t_6) {
+    __Pyx_INCREF(__pyx_t_4);
+    __pyx_t_2 = __pyx_t_4;
+  } else {
+    __Pyx_INCREF(__pyx_t_8);
+    __pyx_t_2 = __pyx_t_8;
+  }
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_INCREF(__pyx_t_2);
+  __pyx_v_new_e_i = __pyx_t_2;
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1938
+ *             link_j = fe_span[f_j][1]
+ *             new_e_i = min(link_i, e_i)
+ *             new_e_j = max(link_j, e_j)             # <<<<<<<<<<<<<<
+ *             # Check reverse links of newly covered words to see if they violate left
+ *             # bound (return) or extend minimum right bound for chunk
+ */
+  __Pyx_INCREF(__pyx_v_e_j);
+  __pyx_t_2 = __pyx_v_e_j;
+  __Pyx_INCREF(__pyx_v_link_j);
+  __pyx_t_4 = __pyx_v_link_j;
+  __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1938; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1938; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  if (__pyx_t_6) {
+    __Pyx_INCREF(__pyx_t_2);
+    __pyx_t_8 = __pyx_t_2;
+  } else {
+    __Pyx_INCREF(__pyx_t_4);
+    __pyx_t_8 = __pyx_t_4;
+  }
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_INCREF(__pyx_t_8);
+  __pyx_v_new_e_j = __pyx_t_8;
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1941
+ *             # Check reverse links of newly covered words to see if they violate left
+ *             # bound (return) or extend minimum right bound for chunk
+ *             new_min_bound = min_bound             # <<<<<<<<<<<<<<
+ *             # First aligned word creates span
+ *             if e_j == -1:
+ */
+  __Pyx_INCREF(__pyx_v_min_bound);
+  __pyx_v_new_min_bound = __pyx_v_min_bound;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1943
+ *             new_min_bound = min_bound
+ *             # First aligned word creates span
+ *             if e_j == -1:             # <<<<<<<<<<<<<<
+ *                 for i from new_e_i <= i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:
+ */
+  __pyx_t_8 = PyObject_RichCompare(__pyx_v_e_j, __pyx_int_neg_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1943; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1943; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  if (__pyx_t_6) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1944
+ *             # First aligned word creates span
+ *             if e_j == -1:
+ *                 for i from new_e_i <= i <= new_e_j:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_v_new_e_i); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1944; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = __Pyx_PyInt_AsInt(__pyx_v_new_e_j); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1944; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    for (__pyx_t_11 = __pyx_t_9; __pyx_t_11 <= __pyx_t_10; __pyx_t_11++) {
+      __pyx_t_8 = PyInt_FromLong(__pyx_t_11); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1944; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_XDECREF(__pyx_v_i);
+      __pyx_v_i = __pyx_t_8;
+      __pyx_t_8 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1945
+ *             if e_j == -1:
+ *                 for i from new_e_i <= i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:             # <<<<<<<<<<<<<<
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_ef_span)) { __Pyx_RaiseClosureNameError("ef_span"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1945; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_i, Py_LT); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1945; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      if (__pyx_t_6) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1946
+ *                 for i from new_e_i <= i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:
+ *                         return             # <<<<<<<<<<<<<<
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *             # Other aligned words extend span
+ */
+        __Pyx_XDECREF(__pyx_r);
+        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+        goto __pyx_L0;
+        goto __pyx_L10;
+      }
+      __pyx_L10:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1947
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])             # <<<<<<<<<<<<<<
+ *             # Other aligned words extend span
+ *             else:
+ */
+      __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_INCREF(__pyx_v_new_min_bound);
+      __pyx_t_8 = __pyx_v_new_min_bound;
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_8, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1947; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      if (__pyx_t_6) {
+        __Pyx_INCREF(__pyx_t_2);
+        __pyx_t_4 = __pyx_t_2;
+      } else {
+        __Pyx_INCREF(__pyx_t_8);
+        __pyx_t_4 = __pyx_t_8;
+      }
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_INCREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_v_new_min_bound);
+      __pyx_v_new_min_bound = __pyx_t_4;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_11 = __Pyx_PyInt_AsInt(__pyx_v_i); if (unlikely((__pyx_t_11 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1944; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1944
+ *             # First aligned word creates span
+ *             if e_j == -1:
+ *                 for i from new_e_i <= i <= new_e_j:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_4 = PyInt_FromLong(__pyx_t_11); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1944; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_4;
+    __pyx_t_4 = 0;
+    goto __pyx_L7;
+  }
+  /*else*/ {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1950
+ *             # Other aligned words extend span
+ *             else:
+ *                 for i from new_e_i <= i < e_i:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_11 = __Pyx_PyInt_AsInt(__pyx_v_new_e_i); if (unlikely((__pyx_t_11 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1950; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = __Pyx_PyInt_AsInt(__pyx_v_e_i); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1950; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    for (__pyx_t_9 = __pyx_t_11; __pyx_t_9 < __pyx_t_10; __pyx_t_9++) {
+      __pyx_t_4 = PyInt_FromLong(__pyx_t_9); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1950; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_XDECREF(__pyx_v_i);
+      __pyx_v_i = __pyx_t_4;
+      __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1951
+ *             else:
+ *                 for i from new_e_i <= i < e_i:
+ *                     if ef_span[i][0] < f_i:             # <<<<<<<<<<<<<<
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_ef_span)) { __Pyx_RaiseClosureNameError("ef_span"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1951; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1951; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_4, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1951; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_i, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1951; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1951; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1952
+ *                 for i from new_e_i <= i < e_i:
+ *                     if ef_span[i][0] < f_i:
+ *                         return             # <<<<<<<<<<<<<<
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *                 for i from e_j < i <= new_e_j:
+ */
+        __Pyx_XDECREF(__pyx_r);
+        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+        goto __pyx_L0;
+        goto __pyx_L13;
+      }
+      __pyx_L13:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1953
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])             # <<<<<<<<<<<<<<
+ *                 for i from e_j < i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:
+ */
+      __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1953; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_4, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1953; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_INCREF(__pyx_v_new_min_bound);
+      __pyx_t_4 = __pyx_v_new_min_bound;
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1953; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1953; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      if (__pyx_t_6) {
+        __Pyx_INCREF(__pyx_t_2);
+        __pyx_t_8 = __pyx_t_2;
+      } else {
+        __Pyx_INCREF(__pyx_t_4);
+        __pyx_t_8 = __pyx_t_4;
+      }
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_INCREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_v_new_min_bound);
+      __pyx_v_new_min_bound = __pyx_t_8;
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_v_i); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1950; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1950
+ *             # Other aligned words extend span
+ *             else:
+ *                 for i from new_e_i <= i < e_i:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_8 = PyInt_FromLong(__pyx_t_9); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1950; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_8;
+    __pyx_t_8 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1954
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *                 for i from e_j < i <= new_e_j:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_v_e_j); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = __Pyx_PyInt_AsInt(__pyx_v_new_e_j); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    for (__pyx_t_11 = __pyx_t_9+1; __pyx_t_11 <= __pyx_t_10; __pyx_t_11++) {
+      __pyx_t_8 = PyInt_FromLong(__pyx_t_11); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_XDECREF(__pyx_v_i);
+      __pyx_v_i = __pyx_t_8;
+      __pyx_t_8 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1955
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *                 for i from e_j < i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:             # <<<<<<<<<<<<<<
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_ef_span)) { __Pyx_RaiseClosureNameError("ef_span"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1955; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_i, Py_LT); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1955; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      if (__pyx_t_6) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1956
+ *                 for i from e_j < i <= new_e_j:
+ *                     if ef_span[i][0] < f_i:
+ *                         return             # <<<<<<<<<<<<<<
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *             # Extract, extend with word (unless non-terminal open)
+ */
+        __Pyx_XDECREF(__pyx_r);
+        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+        goto __pyx_L0;
+        goto __pyx_L16;
+      }
+      __pyx_L16:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1957
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])             # <<<<<<<<<<<<<<
+ *             # Extract, extend with word (unless non-terminal open)
+ *             if not nt_open:
+ */
+      __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_i); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_INCREF(__pyx_v_new_min_bound);
+      __pyx_t_8 = __pyx_v_new_min_bound;
+      __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_8, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1957; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      if (__pyx_t_6) {
+        __Pyx_INCREF(__pyx_t_2);
+        __pyx_t_4 = __pyx_t_2;
+      } else {
+        __Pyx_INCREF(__pyx_t_8);
+        __pyx_t_4 = __pyx_t_8;
+      }
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_INCREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_v_new_min_bound);
+      __pyx_v_new_min_bound = __pyx_t_4;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_11 = __Pyx_PyInt_AsInt(__pyx_v_i); if (unlikely((__pyx_t_11 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1954
+ *                         return
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *                 for i from e_j < i <= new_e_j:             # <<<<<<<<<<<<<<
+ *                     if ef_span[i][0] < f_i:
+ *                         return
+ */
+    __pyx_t_4 = PyInt_FromLong(__pyx_t_11); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1954; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_4;
+    __pyx_t_4 = 0;
+  }
+  __pyx_L7:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1959
+ *                     new_min_bound = max(new_min_bound, ef_span[i][1])
+ *             # Extract, extend with word (unless non-terminal open)
+ *             if not nt_open:             # <<<<<<<<<<<<<<
+ *                 nt_collision = False
+ *                 for link in al[f_j]:
+ */
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_nt_open); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1959; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = (!__pyx_t_6);
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1960
+ *             # Extract, extend with word (unless non-terminal open)
+ *             if not nt_open:
+ *                 nt_collision = False             # <<<<<<<<<<<<<<
+ *                 for link in al[f_j]:
+ *                     if e_nt_cover[link]:
+ */
+    __pyx_v_nt_collision = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1961
+ *             if not nt_open:
+ *                 nt_collision = False
+ *                 for link in al[f_j]:             # <<<<<<<<<<<<<<
+ *                     if e_nt_cover[link]:
+ *                         nt_collision = True
+ */
+    __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_al, __pyx_v_f_j); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
+      __pyx_t_2 = __pyx_t_4; __Pyx_INCREF(__pyx_t_2); __pyx_t_7 = 0;
+      __pyx_t_12 = NULL;
+    } else {
+      __pyx_t_7 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_12 = Py_TYPE(__pyx_t_2)->tp_iternext;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    for (;;) {
+      if (!__pyx_t_12 && PyList_CheckExact(__pyx_t_2)) {
+        if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_2)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_12 && PyTuple_CheckExact(__pyx_t_2)) {
+        if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_4 = __pyx_t_12(__pyx_t_2);
+        if (unlikely(!__pyx_t_4)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1961; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_4);
+      }
+      __Pyx_XDECREF(__pyx_v_link);
+      __pyx_v_link = __pyx_t_4;
+      __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1962
+ *                 nt_collision = False
+ *                 for link in al[f_j]:
+ *                     if e_nt_cover[link]:             # <<<<<<<<<<<<<<
+ *                         nt_collision = True
+ *                 # Non-terminal collisions block word extraction and extension, but
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1962; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_e_nt_cover, __pyx_v_link); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1962; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1962; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_3) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1963
+ *                 for link in al[f_j]:
+ *                     if e_nt_cover[link]:
+ *                         nt_collision = True             # <<<<<<<<<<<<<<
+ *                 # Non-terminal collisions block word extraction and extension, but
+ *                 # may be okay for continuing non-terminals
+ */
+        __pyx_v_nt_collision = 1;
+        goto __pyx_L20;
+      }
+      __pyx_L20:;
+    }
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1966
+ *                 # Non-terminal collisions block word extraction and extension, but
+ *                 # may be okay for continuing non-terminals
+ *                 if not nt_collision and wc < self.max_length:             # <<<<<<<<<<<<<<
+ *                     plus_links = []
+ *                     for link in al[f_j]:
+ */
+    __pyx_t_3 = (!__pyx_v_nt_collision);
+    if (__pyx_t_3) {
+      __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1966; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_wc, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1966; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1966; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_5 = __pyx_t_6;
+    } else {
+      __pyx_t_5 = __pyx_t_3;
+    }
+    if (__pyx_t_5) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1967
+ *                 # may be okay for continuing non-terminals
+ *                 if not nt_collision and wc < self.max_length:
+ *                     plus_links = []             # <<<<<<<<<<<<<<
+ *                     for link in al[f_j]:
+ *                         plus_links.append((f_j, link))
+ */
+      __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1967; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_v_plus_links = __pyx_t_4;
+      __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1968
+ *                 if not nt_collision and wc < self.max_length:
+ *                     plus_links = []
+ *                     for link in al[f_j]:             # <<<<<<<<<<<<<<
+ *                         plus_links.append((f_j, link))
+ *                         cover[link] += 1
+ */
+      __pyx_t_4 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_al, __pyx_v_f_j); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
+        __pyx_t_2 = __pyx_t_4; __Pyx_INCREF(__pyx_t_2); __pyx_t_7 = 0;
+        __pyx_t_12 = NULL;
+      } else {
+        __pyx_t_7 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_12 = Py_TYPE(__pyx_t_2)->tp_iternext;
+      }
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      for (;;) {
+        if (!__pyx_t_12 && PyList_CheckExact(__pyx_t_2)) {
+          if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_2)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else if (!__pyx_t_12 && PyTuple_CheckExact(__pyx_t_2)) {
+          if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else {
+          __pyx_t_4 = __pyx_t_12(__pyx_t_2);
+          if (unlikely(!__pyx_t_4)) {
+            if (PyErr_Occurred()) {
+              if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+              else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1968; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            }
+            break;
+          }
+          __Pyx_GOTREF(__pyx_t_4);
+        }
+        __Pyx_XDECREF(__pyx_v_link);
+        __pyx_v_link = __pyx_t_4;
+        __pyx_t_4 = 0;
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1969
+ *                     plus_links = []
+ *                     for link in al[f_j]:
+ *                         plus_links.append((f_j, link))             # <<<<<<<<<<<<<<
+ *                         cover[link] += 1
+ *                     links.append(plus_links)
+ */
+        __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        __Pyx_INCREF(__pyx_v_f_j);
+        PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_f_j);
+        __Pyx_GIVEREF(__pyx_v_f_j);
+        __Pyx_INCREF(__pyx_v_link);
+        PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_v_link);
+        __Pyx_GIVEREF(__pyx_v_link);
+        __pyx_t_13 = PyList_Append(__pyx_v_plus_links, ((PyObject *)__pyx_t_4)); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1970
+ *                     for link in al[f_j]:
+ *                         plus_links.append((f_j, link))
+ *                         cover[link] += 1             # <<<<<<<<<<<<<<
+ *                     links.append(plus_links)
+ *                     if links and f_j >= new_min_bound:
+ */
+        __Pyx_INCREF(__pyx_v_link);
+        __pyx_t_4 = __pyx_v_link;
+        if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1970; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_8 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_cover, __pyx_t_4); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_t_8, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+        if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1970; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        if (PyObject_SetItem(__pyx_cur_scope->__pyx_v_cover, __pyx_t_4, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1970; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      }
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1971
+ *                         plus_links.append((f_j, link))
+ *                         cover[link] += 1
+ *                     links.append(plus_links)             # <<<<<<<<<<<<<<
+ *                     if links and f_j >= new_min_bound:
+ *                         rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ */
+      __pyx_t_2 = __Pyx_PyObject_Append(__pyx_v_links, ((PyObject *)__pyx_v_plus_links)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1972
+ *                         cover[link] += 1
+ *                     links.append(plus_links)
+ *                     if links and f_j >= new_min_bound:             # <<<<<<<<<<<<<<
+ *                         rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ */
+      __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_links); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (__pyx_t_5) {
+        __pyx_t_2 = PyObject_RichCompare(__pyx_v_f_j, __pyx_v_new_min_bound, Py_GE); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1972; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_6 = __pyx_t_3;
+      } else {
+        __pyx_t_6 = __pyx_t_5;
+      }
+      if (__pyx_t_6) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1973
+ *                     links.append(plus_links)
+ *                     if links and f_j >= new_min_bound:
+ *                         rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))             # <<<<<<<<<<<<<<
+ *                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                     links.pop()
+ */
+        if (unlikely(!__pyx_cur_scope->__pyx_v_rules)) { __Pyx_RaiseClosureNameError("rules"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_rules, __pyx_n_s__add); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__form_rule); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        if (unlikely(!__pyx_cur_scope->__pyx_v_f_words)) { __Pyx_RaiseClosureNameError("f_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_v_f_i); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_t_1); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __pyx_t_1 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_f_words, __pyx_t_7, __pyx_t_14); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        if (unlikely(!__pyx_cur_scope->__pyx_v_e_words)) { __Pyx_RaiseClosureNameError("e_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_v_new_e_i); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyNumber_Add(__pyx_v_new_e_j, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_t_8); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+        __pyx_t_8 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_e_words, __pyx_t_14, __pyx_t_7); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __pyx_t_15 = PyTuple_New(6); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_15);
+        __Pyx_INCREF(__pyx_v_f_i);
+        PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_v_f_i);
+        __Pyx_GIVEREF(__pyx_v_f_i);
+        __Pyx_INCREF(__pyx_v_new_e_i);
+        PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_new_e_i);
+        __Pyx_GIVEREF(__pyx_v_new_e_i);
+        PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_t_1);
+        __Pyx_GIVEREF(__pyx_t_1);
+        PyTuple_SET_ITEM(__pyx_t_15, 3, __pyx_t_8);
+        __Pyx_GIVEREF(__pyx_t_8);
+        __Pyx_INCREF(__pyx_v_nt);
+        PyTuple_SET_ITEM(__pyx_t_15, 4, __pyx_v_nt);
+        __Pyx_GIVEREF(__pyx_v_nt);
+        __Pyx_INCREF(__pyx_v_links);
+        PyTuple_SET_ITEM(__pyx_t_15, 5, __pyx_v_links);
+        __Pyx_GIVEREF(__pyx_v_links);
+        __pyx_t_1 = 0;
+        __pyx_t_8 = 0;
+        __pyx_t_8 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+        __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+        __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_15);
+        PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_8);
+        __Pyx_GIVEREF(__pyx_t_8);
+        __pyx_t_8 = 0;
+        __pyx_t_8 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+        goto __pyx_L24;
+      }
+      __pyx_L24:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1974
+ *                     if links and f_j >= new_min_bound:
+ *                         rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)             # <<<<<<<<<<<<<<
+ *                     links.pop()
+ *                     for link in al[f_j]:
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_8 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_15 = PyNumber_Add(__pyx_v_wc, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_2 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = PyTuple_New(9); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_v_new_e_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_new_e_i);
+      __Pyx_GIVEREF(__pyx_v_new_e_i);
+      __Pyx_INCREF(__pyx_v_new_e_j);
+      PyTuple_SET_ITEM(__pyx_t_4, 3, __pyx_v_new_e_j);
+      __Pyx_GIVEREF(__pyx_v_new_e_j);
+      __Pyx_INCREF(__pyx_v_new_min_bound);
+      PyTuple_SET_ITEM(__pyx_t_4, 4, __pyx_v_new_min_bound);
+      __Pyx_GIVEREF(__pyx_v_new_min_bound);
+      PyTuple_SET_ITEM(__pyx_t_4, 5, __pyx_t_15);
+      __Pyx_GIVEREF(__pyx_t_15);
+      __Pyx_INCREF(__pyx_v_links);
+      PyTuple_SET_ITEM(__pyx_t_4, 6, __pyx_v_links);
+      __Pyx_GIVEREF(__pyx_v_links);
+      __Pyx_INCREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_4, 7, __pyx_v_nt);
+      __Pyx_GIVEREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_4, 8, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __pyx_t_8 = 0;
+      __pyx_t_15 = 0;
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1974; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1975
+ *                         rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                     links.pop()             # <<<<<<<<<<<<<<
+ *                     for link in al[f_j]:
+ *                         cover[link] -= 1
+ */
+      __pyx_t_2 = __Pyx_PyObject_Pop(__pyx_v_links); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1975; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1976
+ *                     extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                     links.pop()
+ *                     for link in al[f_j]:             # <<<<<<<<<<<<<<
+ *                         cover[link] -= 1
+ *             # Try to add a word to current non-terminal (if any), extract, extend
+ */
+      __pyx_t_2 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_al, __pyx_v_f_j); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      if (PyList_CheckExact(__pyx_t_2) || PyTuple_CheckExact(__pyx_t_2)) {
+        __pyx_t_4 = __pyx_t_2; __Pyx_INCREF(__pyx_t_4); __pyx_t_7 = 0;
+        __pyx_t_12 = NULL;
+      } else {
+        __pyx_t_7 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        __pyx_t_12 = Py_TYPE(__pyx_t_4)->tp_iternext;
+      }
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      for (;;) {
+        if (!__pyx_t_12 && PyList_CheckExact(__pyx_t_4)) {
+          if (__pyx_t_7 >= PyList_GET_SIZE(__pyx_t_4)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_2 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else if (!__pyx_t_12 && PyTuple_CheckExact(__pyx_t_4)) {
+          if (__pyx_t_7 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+          #if CYTHON_COMPILING_IN_CPYTHON
+          __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_7); __Pyx_INCREF(__pyx_t_2); __pyx_t_7++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #else
+          __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_7); __pyx_t_7++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          #endif
+        } else {
+          __pyx_t_2 = __pyx_t_12(__pyx_t_4);
+          if (unlikely(!__pyx_t_2)) {
+            if (PyErr_Occurred()) {
+              if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+              else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1976; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            }
+            break;
+          }
+          __Pyx_GOTREF(__pyx_t_2);
+        }
+        __Pyx_XDECREF(__pyx_v_link);
+        __pyx_v_link = __pyx_t_2;
+        __pyx_t_2 = 0;
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1977
+ *                     links.pop()
+ *                     for link in al[f_j]:
+ *                         cover[link] -= 1             # <<<<<<<<<<<<<<
+ *             # Try to add a word to current non-terminal (if any), extract, extend
+ *             if nt and nt[-1][2] == f_j - 1:
+ */
+        __Pyx_INCREF(__pyx_v_link);
+        __pyx_t_2 = __pyx_v_link;
+        if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1977; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_15 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_cover, __pyx_t_2); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_15);
+        __pyx_t_8 = PyNumber_InPlaceSubtract(__pyx_t_15, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_8);
+        __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+        if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1977; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        if (PyObject_SetItem(__pyx_cur_scope->__pyx_v_cover, __pyx_t_2, __pyx_t_8) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      }
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      goto __pyx_L21;
+    }
+    __pyx_L21:;
+    goto __pyx_L17;
+  }
+  __pyx_L17:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1979
+ *                         cover[link] -= 1
+ *             # Try to add a word to current non-terminal (if any), extract, extend
+ *             if nt and nt[-1][2] == f_j - 1:             # <<<<<<<<<<<<<<
+ *                 # Add to non-terminal, checking for collisions
+ *                 old_last_nt = nt[-1][:]
+ */
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_nt); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_t_6) {
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_4, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyNumber_Subtract(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_8 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_3 = __pyx_t_5;
+  } else {
+    __pyx_t_3 = __pyx_t_6;
+  }
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1981
+ *             if nt and nt[-1][2] == f_j - 1:
+ *                 # Add to non-terminal, checking for collisions
+ *                 old_last_nt = nt[-1][:]             # <<<<<<<<<<<<<<
+ *                 nt[-1][2] = f_j
+ *                 if link_i < nt[-1][3]:
+ */
+    __pyx_t_8 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_4 = __Pyx_PySequence_GetSlice(__pyx_t_8, 0, PY_SSIZE_T_MAX); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_v_old_last_nt = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1982
+ *                 # Add to non-terminal, checking for collisions
+ *                 old_last_nt = nt[-1][:]
+ *                 nt[-1][2] = f_j             # <<<<<<<<<<<<<<
+ *                 if link_i < nt[-1][3]:
+ *                     if not span_check(cover, link_i, nt[-1][3] - 1):
+ */
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (__Pyx_SetItemInt(__pyx_t_4, 2, __pyx_v_f_j, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1983
+ *                 old_last_nt = nt[-1][:]
+ *                 nt[-1][2] = f_j
+ *                 if link_i < nt[-1][3]:             # <<<<<<<<<<<<<<
+ *                     if not span_check(cover, link_i, nt[-1][3] - 1):
+ *                         nt[-1] = old_last_nt
+ */
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_4, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_link_i, __pyx_t_8, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (__pyx_t_3) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1984
+ *                 nt[-1][2] = f_j
+ *                 if link_i < nt[-1][3]:
+ *                     if not span_check(cover, link_i, nt[-1][3] - 1):             # <<<<<<<<<<<<<<
+ *                         nt[-1] = old_last_nt
+ *                         return
+ */
+      __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_check); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_8 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyNumber_Subtract(__pyx_t_2, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyTuple_New(3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      __Pyx_INCREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_v_link_i);
+      __Pyx_GIVEREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_6 = (!__pyx_t_3);
+      if (__pyx_t_6) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1985
+ *                 if link_i < nt[-1][3]:
+ *                     if not span_check(cover, link_i, nt[-1][3] - 1):
+ *                         nt[-1] = old_last_nt             # <<<<<<<<<<<<<<
+ *                         return
+ *                     span_inc(cover, link_i, nt[-1][3] - 1)
+ */
+        if (__Pyx_SetItemInt(__pyx_v_nt, -1, __pyx_v_old_last_nt, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1985; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1986
+ *                     if not span_check(cover, link_i, nt[-1][3] - 1):
+ *                         nt[-1] = old_last_nt
+ *                         return             # <<<<<<<<<<<<<<
+ *                     span_inc(cover, link_i, nt[-1][3] - 1)
+ *                     span_inc(e_nt_cover, link_i, nt[-1][3] - 1)
+ */
+        __Pyx_XDECREF(__pyx_r);
+        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+        goto __pyx_L0;
+        goto __pyx_L29;
+      }
+      __pyx_L29:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1987
+ *                         nt[-1] = old_last_nt
+ *                         return
+ *                     span_inc(cover, link_i, nt[-1][3] - 1)             # <<<<<<<<<<<<<<
+ *                     span_inc(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                     nt[-1][3] = link_i
+ */
+      __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_2, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      __Pyx_INCREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_v_link_i);
+      __Pyx_GIVEREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1987; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1988
+ *                         return
+ *                     span_inc(cover, link_i, nt[-1][3] - 1)
+ *                     span_inc(e_nt_cover, link_i, nt[-1][3] - 1)             # <<<<<<<<<<<<<<
+ *                     nt[-1][3] = link_i
+ *                 if link_j > nt[-1][4]:
+ */
+      __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_4, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyNumber_Subtract(__pyx_t_8, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyTuple_New(3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_INCREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_v_link_i);
+      __Pyx_GIVEREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_8, 2, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1989
+ *                     span_inc(cover, link_i, nt[-1][3] - 1)
+ *                     span_inc(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                     nt[-1][3] = link_i             # <<<<<<<<<<<<<<
+ *                 if link_j > nt[-1][4]:
+ *                     if not span_check(cover, nt[-1][4] + 1, link_j):
+ */
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (__Pyx_SetItemInt(__pyx_t_4, 3, __pyx_v_link_i, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1989; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      goto __pyx_L28;
+    }
+    __pyx_L28:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1990
+ *                     span_inc(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                     nt[-1][3] = link_i
+ *                 if link_j > nt[-1][4]:             # <<<<<<<<<<<<<<
+ *                     if not span_check(cover, nt[-1][4] + 1, link_j):
+ *                         nt[-1] = old_last_nt
+ */
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_4, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_link_j, __pyx_t_8, Py_GT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (__pyx_t_6) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1991
+ *                     nt[-1][3] = link_i
+ *                 if link_j > nt[-1][4]:
+ *                     if not span_check(cover, nt[-1][4] + 1, link_j):             # <<<<<<<<<<<<<<
+ *                         nt[-1] = old_last_nt
+ *                         return
+ */
+      __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_check); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_8 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_8, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyNumber_Add(__pyx_t_2, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyTuple_New(3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_v_link_j);
+      PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_v_link_j);
+      __Pyx_GIVEREF(__pyx_v_link_j);
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_3 = (!__pyx_t_6);
+      if (__pyx_t_3) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1992
+ *                 if link_j > nt[-1][4]:
+ *                     if not span_check(cover, nt[-1][4] + 1, link_j):
+ *                         nt[-1] = old_last_nt             # <<<<<<<<<<<<<<
+ *                         return
+ *                     span_inc(cover, nt[-1][4] + 1, link_j)
+ */
+        if (__Pyx_SetItemInt(__pyx_v_nt, -1, __pyx_v_old_last_nt, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1992; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1993
+ *                     if not span_check(cover, nt[-1][4] + 1, link_j):
+ *                         nt[-1] = old_last_nt
+ *                         return             # <<<<<<<<<<<<<<
+ *                     span_inc(cover, nt[-1][4] + 1, link_j)
+ *                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
+ */
+        __Pyx_XDECREF(__pyx_r);
+        __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+        goto __pyx_L0;
+        goto __pyx_L31;
+      }
+      __pyx_L31:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1994
+ *                         nt[-1] = old_last_nt
+ *                         return
+ *                     span_inc(cover, nt[-1][4] + 1, link_j)             # <<<<<<<<<<<<<<
+ *                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
+ *                     nt[-1][4] = link_j
+ */
+      __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_2, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_v_link_j);
+      PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_link_j);
+      __Pyx_GIVEREF(__pyx_v_link_j);
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1995
+ *                         return
+ *                     span_inc(cover, nt[-1][4] + 1, link_j)
+ *                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)             # <<<<<<<<<<<<<<
+ *                     nt[-1][4] = link_j
+ *                 if links and f_j >= new_min_bound:
+ */
+      __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = __Pyx_GetItemInt(__pyx_t_4, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyNumber_Add(__pyx_t_8, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = PyTuple_New(3); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_link_j);
+      PyTuple_SET_ITEM(__pyx_t_8, 2, __pyx_v_link_j);
+      __Pyx_GIVEREF(__pyx_v_link_j);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1996
+ *                     span_inc(cover, nt[-1][4] + 1, link_j)
+ *                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
+ *                     nt[-1][4] = link_j             # <<<<<<<<<<<<<<
+ *                 if links and f_j >= new_min_bound:
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ */
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1996; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (__Pyx_SetItemInt(__pyx_t_4, 4, __pyx_v_link_j, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1996; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      goto __pyx_L30;
+    }
+    __pyx_L30:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1997
+ *                     span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
+ *                     nt[-1][4] = link_j
+ *                 if links and f_j >= new_min_bound:             # <<<<<<<<<<<<<<
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+ */
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_links); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1997; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__pyx_t_3) {
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_f_j, __pyx_v_new_min_bound, Py_GE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1997; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1997; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_5 = __pyx_t_6;
+    } else {
+      __pyx_t_5 = __pyx_t_3;
+    }
+    if (__pyx_t_5) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1998
+ *                     nt[-1][4] = link_j
+ *                 if links and f_j >= new_min_bound:
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))             # <<<<<<<<<<<<<<
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+ *                 nt[-1] = old_last_nt
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_rules)) { __Pyx_RaiseClosureNameError("rules"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_rules, __pyx_n_s__add); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__form_rule); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_f_words)) { __Pyx_RaiseClosureNameError("f_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_v_f_i); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_t_2); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_f_words, __pyx_t_7, __pyx_t_14); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_words)) { __Pyx_RaiseClosureNameError("e_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_v_new_e_i); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_15 = PyNumber_Add(__pyx_v_new_e_j, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_t_15); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __pyx_t_15 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_e_words, __pyx_t_14, __pyx_t_7); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_1 = PyTuple_New(6); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      __Pyx_INCREF(__pyx_v_new_e_i);
+      PyTuple_SET_ITEM(__pyx_t_1, 1, __pyx_v_new_e_i);
+      __Pyx_GIVEREF(__pyx_v_new_e_i);
+      PyTuple_SET_ITEM(__pyx_t_1, 2, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      PyTuple_SET_ITEM(__pyx_t_1, 3, __pyx_t_15);
+      __Pyx_GIVEREF(__pyx_t_15);
+      __Pyx_INCREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_1, 4, __pyx_v_nt);
+      __Pyx_GIVEREF(__pyx_v_nt);
+      __Pyx_INCREF(__pyx_v_links);
+      PyTuple_SET_ITEM(__pyx_t_1, 5, __pyx_v_links);
+      __Pyx_GIVEREF(__pyx_v_links);
+      __pyx_t_2 = 0;
+      __pyx_t_15 = 0;
+      __pyx_t_15 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_15);
+      __Pyx_GIVEREF(__pyx_t_15);
+      __pyx_t_15 = 0;
+      __pyx_t_15 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      goto __pyx_L32;
+    }
+    __pyx_L32:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1999
+ *                 if links and f_j >= new_min_bound:
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)             # <<<<<<<<<<<<<<
+ *                 nt[-1] = old_last_nt
+ *                 if link_i < nt[-1][3]:
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1999; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_15 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyTuple_New(9); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_INCREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_f_i);
+    __Pyx_GIVEREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_15);
+    __Pyx_GIVEREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_v_new_e_i);
+    PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_new_e_i);
+    __Pyx_GIVEREF(__pyx_v_new_e_i);
+    __Pyx_INCREF(__pyx_v_new_e_j);
+    PyTuple_SET_ITEM(__pyx_t_4, 3, __pyx_v_new_e_j);
+    __Pyx_GIVEREF(__pyx_v_new_e_j);
+    __Pyx_INCREF(__pyx_v_new_min_bound);
+    PyTuple_SET_ITEM(__pyx_t_4, 4, __pyx_v_new_min_bound);
+    __Pyx_GIVEREF(__pyx_v_new_min_bound);
+    __Pyx_INCREF(__pyx_v_wc);
+    PyTuple_SET_ITEM(__pyx_t_4, 5, __pyx_v_wc);
+    __Pyx_GIVEREF(__pyx_v_wc);
+    __Pyx_INCREF(__pyx_v_links);
+    PyTuple_SET_ITEM(__pyx_t_4, 6, __pyx_v_links);
+    __Pyx_GIVEREF(__pyx_v_links);
+    __Pyx_INCREF(__pyx_v_nt);
+    PyTuple_SET_ITEM(__pyx_t_4, 7, __pyx_v_nt);
+    __Pyx_GIVEREF(__pyx_v_nt);
+    PyTuple_SET_ITEM(__pyx_t_4, 8, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __pyx_t_15 = 0;
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2000
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+ *                 nt[-1] = old_last_nt             # <<<<<<<<<<<<<<
+ *                 if link_i < nt[-1][3]:
+ *                     span_dec(cover, link_i, nt[-1][3] - 1)
+ */
+    if (__Pyx_SetItemInt(__pyx_v_nt, -1, __pyx_v_old_last_nt, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2000; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2001
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+ *                 nt[-1] = old_last_nt
+ *                 if link_i < nt[-1][3]:             # <<<<<<<<<<<<<<
+ *                     span_dec(cover, link_i, nt[-1][3] - 1)
+ *                     span_dec(e_nt_cover, link_i, nt[-1][3] - 1)
+ */
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_1, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_link_i, __pyx_t_4, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (__pyx_t_5) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2002
+ *                 nt[-1] = old_last_nt
+ *                 if link_i < nt[-1][3]:
+ *                     span_dec(cover, link_i, nt[-1][3] - 1)             # <<<<<<<<<<<<<<
+ *                     span_dec(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                 if link_j > nt[-1][4]:
+ */
+      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_15 = __Pyx_GetItemInt(__pyx_t_4, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyNumber_Subtract(__pyx_t_15, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      __Pyx_INCREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+      __Pyx_GIVEREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2002; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2003
+ *                 if link_i < nt[-1][3]:
+ *                     span_dec(cover, link_i, nt[-1][3] - 1)
+ *                     span_dec(e_nt_cover, link_i, nt[-1][3] - 1)             # <<<<<<<<<<<<<<
+ *                 if link_j > nt[-1][4]:
+ *                     span_dec(cover, nt[-1][4] + 1, link_j)
+ */
+      __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_15 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_15, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __pyx_t_15 = PyNumber_Subtract(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyTuple_New(3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_INCREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_1, 1, __pyx_v_link_i);
+      __Pyx_GIVEREF(__pyx_v_link_i);
+      PyTuple_SET_ITEM(__pyx_t_1, 2, __pyx_t_15);
+      __Pyx_GIVEREF(__pyx_t_15);
+      __pyx_t_15 = 0;
+      __pyx_t_15 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2003; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      goto __pyx_L33;
+    }
+    __pyx_L33:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2004
+ *                     span_dec(cover, link_i, nt[-1][3] - 1)
+ *                     span_dec(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                 if link_j > nt[-1][4]:             # <<<<<<<<<<<<<<
+ *                     span_dec(cover, nt[-1][4] + 1, link_j)
+ *                     span_dec(e_nt_cover, nt[-1][4] + 1, link_j)
+ */
+    __pyx_t_15 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_15, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    __pyx_t_15 = PyObject_RichCompare(__pyx_v_link_j, __pyx_t_1, Py_GT); __Pyx_XGOTREF(__pyx_t_15); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_15); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    if (__pyx_t_5) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2005
+ *                     span_dec(e_nt_cover, link_i, nt[-1][3] - 1)
+ *                 if link_j > nt[-1][4]:
+ *                     span_dec(cover, nt[-1][4] + 1, link_j)             # <<<<<<<<<<<<<<
+ *                     span_dec(e_nt_cover, nt[-1][4] + 1, link_j)
+ *             # Try to start a new non-terminal, extract, extend
+ */
+      __pyx_t_15 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_1, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_cur_scope->__pyx_v_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+      PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_t_1);
+      __Pyx_GIVEREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_link_j);
+      PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_link_j);
+      __Pyx_GIVEREF(__pyx_v_link_j);
+      __pyx_t_1 = 0;
+      __pyx_t_1 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2006
+ *                 if link_j > nt[-1][4]:
+ *                     span_dec(cover, nt[-1][4] + 1, link_j)
+ *                     span_dec(e_nt_cover, nt[-1][4] + 1, link_j)             # <<<<<<<<<<<<<<
+ *             # Try to start a new non-terminal, extract, extend
+ *             if (not nt or f_j - nt[-1][2] > 1) and wc < self.max_length and len(nt) < self.max_nonterminals:
+ */
+      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_15 = __Pyx_GetItemInt(__pyx_t_4, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyNumber_Add(__pyx_t_15, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+      PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_link_j);
+      PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+      __Pyx_GIVEREF(__pyx_v_link_j);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      goto __pyx_L34;
+    }
+    __pyx_L34:;
+    goto __pyx_L27;
+  }
+  __pyx_L27:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2008
+ *                     span_dec(e_nt_cover, nt[-1][4] + 1, link_j)
+ *             # Try to start a new non-terminal, extract, extend
+ *             if (not nt or f_j - nt[-1][2] > 1) and wc < self.max_length and len(nt) < self.max_nonterminals:             # <<<<<<<<<<<<<<
+ *                 # Check for collisions
+ *                 if not span_check(cover, link_i, link_j):
+ */
+  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_nt); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = (!__pyx_t_5);
+  if (!__pyx_t_3) {
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_15 = __Pyx_GetItemInt(__pyx_t_4, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyNumber_Subtract(__pyx_v_f_j, __pyx_t_15); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    __pyx_t_15 = PyObject_RichCompare(__pyx_t_4, __pyx_int_1, Py_GT); __Pyx_XGOTREF(__pyx_t_15); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_15); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    __pyx_t_6 = __pyx_t_5;
+  } else {
+    __pyx_t_6 = __pyx_t_3;
+  }
+  if (__pyx_t_6) {
+    __pyx_t_15 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_length); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __pyx_t_4 = PyObject_RichCompare(__pyx_v_wc, __pyx_t_15, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (__pyx_t_3) {
+      __pyx_t_7 = PyObject_Length(__pyx_v_nt); if (unlikely(__pyx_t_7 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = (__pyx_t_7 < __pyx_cur_scope->__pyx_v_self->max_nonterminals);
+      __pyx_t_16 = __pyx_t_5;
+    } else {
+      __pyx_t_16 = __pyx_t_3;
+    }
+    __pyx_t_3 = __pyx_t_16;
+  } else {
+    __pyx_t_3 = __pyx_t_6;
+  }
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2010
+ *             if (not nt or f_j - nt[-1][2] > 1) and wc < self.max_length and len(nt) < self.max_nonterminals:
+ *                 # Check for collisions
+ *                 if not span_check(cover, link_i, link_j):             # <<<<<<<<<<<<<<
+ *                     return
+ *                 span_inc(cover, link_i, link_j)
+ */
+    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_check); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (unlikely(!__pyx_cur_scope->__pyx_v_cover)) { __Pyx_RaiseClosureNameError("cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_cover);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_1 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_6 = (!__pyx_t_3);
+    if (__pyx_t_6) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2011
+ *                 # Check for collisions
+ *                 if not span_check(cover, link_i, link_j):
+ *                     return             # <<<<<<<<<<<<<<
+ *                 span_inc(cover, link_i, link_j)
+ *                 span_inc(e_nt_cover, link_i, link_j)
+ */
+      __Pyx_XDECREF(__pyx_r);
+      __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+      goto __pyx_L0;
+      goto __pyx_L36;
+    }
+    __pyx_L36:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2012
+ *                 if not span_check(cover, link_i, link_j):
+ *                     return
+ *                 span_inc(cover, link_i, link_j)             # <<<<<<<<<<<<<<
+ *                 span_inc(e_nt_cover, link_i, link_j)
+ *                 nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])
+ */
+    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_cover);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_4 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2013
+ *                     return
+ *                 span_inc(cover, link_i, link_j)
+ *                 span_inc(e_nt_cover, link_i, link_j)             # <<<<<<<<<<<<<<
+ *                 nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])
+ *                 # Require at least one word in phrase
+ */
+    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_inc); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (unlikely(!__pyx_cur_scope->__pyx_v_e_nt_cover)) { __Pyx_RaiseClosureNameError("e_nt_cover"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2013; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_1 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2014
+ *                 span_inc(cover, link_i, link_j)
+ *                 span_inc(e_nt_cover, link_i, link_j)
+ *                 nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])             # <<<<<<<<<<<<<<
+ *                 # Require at least one word in phrase
+ *                 if links and f_j >= new_min_bound:
+ */
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_nt); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__pyx_t_6) {
+      __pyx_t_15 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_15, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __pyx_t_15 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_1 = __pyx_t_15;
+      __pyx_t_15 = 0;
+    } else {
+      __Pyx_INCREF(__pyx_int_1);
+      __pyx_t_1 = __pyx_int_1;
+    }
+    __pyx_t_15 = PyList_New(5); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    PyList_SET_ITEM(__pyx_t_15, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __Pyx_INCREF(__pyx_v_f_j);
+    PyList_SET_ITEM(__pyx_t_15, 1, __pyx_v_f_j);
+    __Pyx_GIVEREF(__pyx_v_f_j);
+    __Pyx_INCREF(__pyx_v_f_j);
+    PyList_SET_ITEM(__pyx_t_15, 2, __pyx_v_f_j);
+    __Pyx_GIVEREF(__pyx_v_f_j);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyList_SET_ITEM(__pyx_t_15, 3, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyList_SET_ITEM(__pyx_t_15, 4, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_1 = 0;
+    __pyx_t_1 = __Pyx_PyObject_Append(__pyx_v_nt, ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2014; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2016
+ *                 nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])
+ *                 # Require at least one word in phrase
+ *                 if links and f_j >= new_min_bound:             # <<<<<<<<<<<<<<
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ */
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_links); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__pyx_t_6) {
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_f_j, __pyx_v_new_min_bound, Py_GE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2016; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_16 = __pyx_t_3;
+    } else {
+      __pyx_t_16 = __pyx_t_6;
+    }
+    if (__pyx_t_16) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2017
+ *                 # Require at least one word in phrase
+ *                 if links and f_j >= new_min_bound:
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))             # <<<<<<<<<<<<<<
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                 nt.pop()
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_rules)) { __Pyx_RaiseClosureNameError("rules"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_1 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_rules, __pyx_n_s__add); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__form_rule); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_15);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_f_words)) { __Pyx_RaiseClosureNameError("f_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_v_f_i); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_t_4); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_f_words, __pyx_t_7, __pyx_t_14); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      if (unlikely(!__pyx_cur_scope->__pyx_v_e_words)) { __Pyx_RaiseClosureNameError("e_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_14 = __Pyx_PyIndex_AsSsize_t(__pyx_v_new_e_i); if (unlikely((__pyx_t_14 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyNumber_Add(__pyx_v_new_e_j, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_7 = __Pyx_PyIndex_AsSsize_t(__pyx_t_8); if (unlikely((__pyx_t_7 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __pyx_t_8 = __Pyx_PySequence_GetSlice(__pyx_cur_scope->__pyx_v_e_words, __pyx_t_14, __pyx_t_7); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_2 = PyTuple_New(6); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      __Pyx_INCREF(__pyx_v_new_e_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_v_new_e_i);
+      __Pyx_GIVEREF(__pyx_v_new_e_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
+      __Pyx_INCREF(__pyx_v_nt);
+      PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_v_nt);
+      __Pyx_GIVEREF(__pyx_v_nt);
+      __Pyx_INCREF(__pyx_v_links);
+      PyTuple_SET_ITEM(__pyx_t_2, 5, __pyx_v_links);
+      __Pyx_GIVEREF(__pyx_v_links);
+      __pyx_t_4 = 0;
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
+      __pyx_t_8 = 0;
+      __pyx_t_8 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      goto __pyx_L37;
+    }
+    __pyx_L37:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2018
+ *                 if links and f_j >= new_min_bound:
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)             # <<<<<<<<<<<<<<
+ *                 nt.pop()
+ *                 span_dec(cover, link_i, link_j)
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_8 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_2 = PyNumber_Add(__pyx_v_wc, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_15 = PyTuple_New(9); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_v_f_i);
+    __Pyx_GIVEREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_8);
+    __Pyx_GIVEREF(__pyx_t_8);
+    __Pyx_INCREF(__pyx_v_new_e_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_new_e_i);
+    __Pyx_GIVEREF(__pyx_v_new_e_i);
+    __Pyx_INCREF(__pyx_v_new_e_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 3, __pyx_v_new_e_j);
+    __Pyx_GIVEREF(__pyx_v_new_e_j);
+    __Pyx_INCREF(__pyx_v_new_min_bound);
+    PyTuple_SET_ITEM(__pyx_t_15, 4, __pyx_v_new_min_bound);
+    __Pyx_GIVEREF(__pyx_v_new_min_bound);
+    PyTuple_SET_ITEM(__pyx_t_15, 5, __pyx_t_2);
+    __Pyx_GIVEREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_links);
+    PyTuple_SET_ITEM(__pyx_t_15, 6, __pyx_v_links);
+    __Pyx_GIVEREF(__pyx_v_links);
+    __Pyx_INCREF(__pyx_v_nt);
+    PyTuple_SET_ITEM(__pyx_t_15, 7, __pyx_v_nt);
+    __Pyx_GIVEREF(__pyx_v_nt);
+    PyTuple_SET_ITEM(__pyx_t_15, 8, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __pyx_t_8 = 0;
+    __pyx_t_2 = 0;
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2018; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2019
+ *                     rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                 nt.pop()             # <<<<<<<<<<<<<<
+ *                 span_dec(cover, link_i, link_j)
+ *                 span_dec(e_nt_cover, link_i, link_j)
+ */
+    __pyx_t_1 = __Pyx_PyObject_Pop(__pyx_v_nt); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2019; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2020
+ *                 extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+ *                 nt.pop()
+ *                 span_dec(cover, link_i, link_j)             # <<<<<<<<<<<<<<
+ *                 span_dec(e_nt_cover, link_i, link_j)
+ * 
+ */
+    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_cover);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_cover);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_cover);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2021
+ *                 nt.pop()
+ *                 span_dec(cover, link_i, link_j)
+ *                 span_dec(e_nt_cover, link_i, link_j)             # <<<<<<<<<<<<<<
+ * 
+ *         # Try to extract phrases from every f index
+ */
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__span_dec); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_15 = PyTuple_New(3); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_15);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+    PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_e_nt_cover);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_nt_cover);
+    __Pyx_INCREF(__pyx_v_link_i);
+    PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_v_link_i);
+    __Pyx_GIVEREF(__pyx_v_link_i);
+    __Pyx_INCREF(__pyx_v_link_j);
+    PyTuple_SET_ITEM(__pyx_t_15, 2, __pyx_v_link_j);
+    __Pyx_GIVEREF(__pyx_v_link_j);
+    __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    goto __pyx_L35;
+  }
+  __pyx_L35:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_XDECREF(__pyx_t_15);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.add_instance.extract", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_link_i);
+  __Pyx_XDECREF(__pyx_v_link_j);
+  __Pyx_XDECREF(__pyx_v_new_e_i);
+  __Pyx_XDECREF(__pyx_v_new_e_j);
+  __Pyx_XDECREF(__pyx_v_new_min_bound);
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_XDECREF(__pyx_v_link);
+  __Pyx_XDECREF(__pyx_v_plus_links);
+  __Pyx_XDECREF(__pyx_v_old_last_nt);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1884
+ *     # Aggregate stats from a training instance
+ *     # (Extract rules, update counts)
+ *     def add_instance(self, f_words, e_words, alignment):             # <<<<<<<<<<<<<<
+ * 
+ *         self.online = True
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_25add_instance(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_words, PyObject *__pyx_v_e_words, PyObject *__pyx_v_alignment) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *__pyx_cur_scope;
+  PyObject *__pyx_v_e_len = NULL;
+  PyObject *__pyx_v_f = NULL;
+  PyObject *__pyx_v_e = NULL;
+  CYTHON_UNUSED PyObject *__pyx_v_f_nt_cover = NULL;
+  long __pyx_v_f_i;
+  CYTHON_UNUSED PyObject *__pyx_v_lex_i = NULL;
+  CYTHON_UNUSED PyObject *__pyx_v_lex_j = NULL;
+  PyObject *__pyx_v_rule = NULL;
+  PyObject *__pyx_v_f_ph = NULL;
+  PyObject *__pyx_v_e_ph = NULL;
+  PyObject *__pyx_v_e_w = NULL;
+  PyObject *__pyx_v_f_w = NULL;
+  CYTHON_UNUSED PyObject *__pyx_v_i = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *(*__pyx_t_5)(PyObject *);
+  PyObject *__pyx_t_6 = NULL;
+  PyObject *__pyx_t_7 = NULL;
+  PyObject *(*__pyx_t_8)(PyObject *);
+  int __pyx_t_9;
+  long __pyx_t_10;
+  int __pyx_t_11;
+  PyObject *__pyx_t_12 = NULL;
+  PyObject *__pyx_t_13 = NULL;
+  PyObject *__pyx_t_14 = NULL;
+  Py_ssize_t __pyx_t_15;
+  PyObject *(*__pyx_t_16)(PyObject *);
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("add_instance", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *)__pyx_ptype_3_sa___pyx_scope_struct_21_add_instance->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_21_add_instance, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
+  __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __pyx_cur_scope->__pyx_v_f_words = __pyx_v_f_words;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_words);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_words);
+  __pyx_cur_scope->__pyx_v_e_words = __pyx_v_e_words;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_e_words);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e_words);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1886
+ *     def add_instance(self, f_words, e_words, alignment):
+ * 
+ *         self.online = True             # <<<<<<<<<<<<<<
+ * 
+ *         # Rules extracted from this instance
+ */
+  __pyx_cur_scope->__pyx_v_self->online = 1;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1893
+ *         # span more than once.
+ *         # (f, e, al, lex_f_i, lex_f_j)
+ *         rules = set()             # <<<<<<<<<<<<<<
+ * 
+ *         f_len = len(f_words)
+ */
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1893; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_rules = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1895
+ *         rules = set()
+ * 
+ *         f_len = len(f_words)             # <<<<<<<<<<<<<<
+ *         e_len = len(e_words)
+ * 
+ */
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_f_words;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1895; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1895; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_cur_scope->__pyx_v_f_len = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1896
+ * 
+ *         f_len = len(f_words)
+ *         e_len = len(e_words)             # <<<<<<<<<<<<<<
+ * 
+ *         # Pre-compute alignment info
+ */
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_e_words;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1896; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1896; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_e_len = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1899
+ * 
+ *         # Pre-compute alignment info
+ *         al = [[] for i in range(f_len)]             # <<<<<<<<<<<<<<
+ *         fe_span = [[e_len + 1, -1] for i in range(f_len)]
+ *         ef_span = [[f_len + 1, -1] for i in range(e_len)]
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_len);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_f_len);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_len);
+  __pyx_t_4 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
+    __pyx_t_3 = __pyx_t_4; __Pyx_INCREF(__pyx_t_3); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyList_New(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_4))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1899; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __Pyx_INCREF(((PyObject *)__pyx_t_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_al = ((PyObject *)__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1900
+ *         # Pre-compute alignment info
+ *         al = [[] for i in range(f_len)]
+ *         fe_span = [[e_len + 1, -1] for i in range(f_len)]             # <<<<<<<<<<<<<<
+ *         ef_span = [[f_len + 1, -1] for i in range(e_len)]
+ *         for (f, e) in alignment:
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_len);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_f_len);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_len);
+  __pyx_t_4 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
+    __pyx_t_3 = __pyx_t_4; __Pyx_INCREF(__pyx_t_3); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyNumber_Add(__pyx_v_e_len, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_6 = PyList_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    PyList_SET_ITEM(__pyx_t_6, 0, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __Pyx_INCREF(__pyx_int_neg_1);
+    PyList_SET_ITEM(__pyx_t_6, 1, __pyx_int_neg_1);
+    __Pyx_GIVEREF(__pyx_int_neg_1);
+    __pyx_t_4 = 0;
+    if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_6))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1900; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __Pyx_INCREF(((PyObject *)__pyx_t_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_fe_span = ((PyObject *)__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1901
+ *         al = [[] for i in range(f_len)]
+ *         fe_span = [[e_len + 1, -1] for i in range(f_len)]
+ *         ef_span = [[f_len + 1, -1] for i in range(e_len)]             # <<<<<<<<<<<<<<
+ *         for (f, e) in alignment:
+ *             al[f].append(e)
+ */
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(__pyx_v_e_len);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_e_len);
+  __Pyx_GIVEREF(__pyx_v_e_len);
+  __pyx_t_6 = PyObject_Call(__pyx_builtin_range, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_6);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  if (PyList_CheckExact(__pyx_t_6) || PyTuple_CheckExact(__pyx_t_6)) {
+    __pyx_t_3 = __pyx_t_6; __Pyx_INCREF(__pyx_t_3); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_t_6); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_6 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_6); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_6 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_6); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_6 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_6 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_6)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_6);
+    }
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_6;
+    __pyx_t_6 = 0;
+    __pyx_t_6 = PyNumber_Add(__pyx_cur_scope->__pyx_v_f_len, __pyx_int_1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_4 = PyList_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    PyList_SET_ITEM(__pyx_t_4, 0, __pyx_t_6);
+    __Pyx_GIVEREF(__pyx_t_6);
+    __Pyx_INCREF(__pyx_int_neg_1);
+    PyList_SET_ITEM(__pyx_t_4, 1, __pyx_int_neg_1);
+    __Pyx_GIVEREF(__pyx_int_neg_1);
+    __pyx_t_6 = 0;
+    if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_4))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1901; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __Pyx_INCREF(((PyObject *)__pyx_t_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_ef_span = ((PyObject *)__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1902
+ *         fe_span = [[e_len + 1, -1] for i in range(f_len)]
+ *         ef_span = [[f_len + 1, -1] for i in range(e_len)]
+ *         for (f, e) in alignment:             # <<<<<<<<<<<<<<
+ *             al[f].append(e)
+ *             fe_span[f][0] = min(fe_span[f][0], e)
+ */
+  if (PyList_CheckExact(__pyx_v_alignment) || PyTuple_CheckExact(__pyx_v_alignment)) {
+    __pyx_t_1 = __pyx_v_alignment; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_alignment); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_5 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_3 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_3); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_3 = __pyx_t_5(__pyx_t_1);
+      if (unlikely(!__pyx_t_3)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_3);
+    }
+    if ((likely(PyTuple_CheckExact(__pyx_t_3))) || (PyList_CheckExact(__pyx_t_3))) {
+      PyObject* sequence = __pyx_t_3;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
+      Py_ssize_t size = PySequence_Size(sequence);
+      #endif
+      if (unlikely(size != 2)) {
+        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
+      if (likely(PyTuple_CheckExact(sequence))) {
+        __pyx_t_4 = PyTuple_GET_ITEM(sequence, 0); 
+        __pyx_t_6 = PyTuple_GET_ITEM(sequence, 1); 
+      } else {
+        __pyx_t_4 = PyList_GET_ITEM(sequence, 0); 
+        __pyx_t_6 = PyList_GET_ITEM(sequence, 1); 
+      }
+      __Pyx_INCREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_t_6);
+      #else
+      __pyx_t_4 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    } else
+    {
+      Py_ssize_t index = -1;
+      __pyx_t_7 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_8 = Py_TYPE(__pyx_t_7)->tp_iternext;
+      index = 0; __pyx_t_4 = __pyx_t_8(__pyx_t_7); if (unlikely(!__pyx_t_4)) goto __pyx_L11_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_4);
+      index = 1; __pyx_t_6 = __pyx_t_8(__pyx_t_7); if (unlikely(!__pyx_t_6)) goto __pyx_L11_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_6);
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_7), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = NULL;
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      goto __pyx_L12_unpacking_done;
+      __pyx_L11_unpacking_failed:;
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      __pyx_t_8 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1902; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_L12_unpacking_done:;
+    }
+    __Pyx_XDECREF(__pyx_v_f);
+    __pyx_v_f = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __Pyx_XDECREF(__pyx_v_e);
+    __pyx_v_e = __pyx_t_6;
+    __pyx_t_6 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1903
+ *         ef_span = [[f_len + 1, -1] for i in range(e_len)]
+ *         for (f, e) in alignment:
+ *             al[f].append(e)             # <<<<<<<<<<<<<<
+ *             fe_span[f][0] = min(fe_span[f][0], e)
+ *             fe_span[f][1] = max(fe_span[f][1], e)
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_al, __pyx_v_f); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1903; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_6 = __Pyx_PyObject_Append(__pyx_t_3, __pyx_v_e); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1903; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1904
+ *         for (f, e) in alignment:
+ *             al[f].append(e)
+ *             fe_span[f][0] = min(fe_span[f][0], e)             # <<<<<<<<<<<<<<
+ *             fe_span[f][1] = max(fe_span[f][1], e)
+ *             ef_span[e][0] = min(ef_span[e][0], f)
+ */
+    __Pyx_INCREF(__pyx_v_e);
+    __pyx_t_6 = __pyx_v_e;
+    __pyx_t_3 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_3, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_6, __pyx_t_4, Py_LT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_9) {
+      __Pyx_INCREF(__pyx_t_6);
+      __pyx_t_3 = __pyx_t_6;
+    } else {
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_3 = __pyx_t_4;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_6 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    if (__Pyx_SetItemInt(__pyx_t_6, 0, __pyx_t_3, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1904; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1905
+ *             al[f].append(e)
+ *             fe_span[f][0] = min(fe_span[f][0], e)
+ *             fe_span[f][1] = max(fe_span[f][1], e)             # <<<<<<<<<<<<<<
+ *             ef_span[e][0] = min(ef_span[e][0], f)
+ *             ef_span[e][1] = max(ef_span[e][1], f)
+ */
+    __Pyx_INCREF(__pyx_v_e);
+    __pyx_t_3 = __pyx_v_e;
+    __pyx_t_6 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_6, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_3, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_9) {
+      __Pyx_INCREF(__pyx_t_3);
+      __pyx_t_6 = __pyx_t_3;
+    } else {
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_6 = __pyx_t_4;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_fe_span, __pyx_v_f); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (__Pyx_SetItemInt(__pyx_t_3, 1, __pyx_t_6, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1905; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1906
+ *             fe_span[f][0] = min(fe_span[f][0], e)
+ *             fe_span[f][1] = max(fe_span[f][1], e)
+ *             ef_span[e][0] = min(ef_span[e][0], f)             # <<<<<<<<<<<<<<
+ *             ef_span[e][1] = max(ef_span[e][1], f)
+ * 
+ */
+    __Pyx_INCREF(__pyx_v_f);
+    __pyx_t_6 = __pyx_v_f;
+    __pyx_t_3 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_e); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_3, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_6, __pyx_t_4, Py_LT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_9) {
+      __Pyx_INCREF(__pyx_t_6);
+      __pyx_t_3 = __pyx_t_6;
+    } else {
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_3 = __pyx_t_4;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_6 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_e); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    if (__Pyx_SetItemInt(__pyx_t_6, 0, __pyx_t_3, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1906; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1907
+ *             fe_span[f][1] = max(fe_span[f][1], e)
+ *             ef_span[e][0] = min(ef_span[e][0], f)
+ *             ef_span[e][1] = max(ef_span[e][1], f)             # <<<<<<<<<<<<<<
+ * 
+ *         # Target side word coverage
+ */
+    __Pyx_INCREF(__pyx_v_f);
+    __pyx_t_3 = __pyx_v_f;
+    __pyx_t_6 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_e); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_4 = __Pyx_GetItemInt(__pyx_t_6, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_3, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_9) {
+      __Pyx_INCREF(__pyx_t_3);
+      __pyx_t_6 = __pyx_t_3;
+    } else {
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_6 = __pyx_t_4;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_3 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_ef_span, __pyx_v_e); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    if (__Pyx_SetItemInt(__pyx_t_3, 1, __pyx_t_6, sizeof(long), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1907; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1910
+ * 
+ *         # Target side word coverage
+ *         cover = [0] * e_len             # <<<<<<<<<<<<<<
+ *         # Non-terminal coverage
+ *         f_nt_cover = [0] * f_len
+ */
+  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(__pyx_int_0);
+  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_int_0);
+  __Pyx_GIVEREF(__pyx_int_0);
+  { PyObject* __pyx_temp = PyNumber_InPlaceMultiply(__pyx_t_1, __pyx_v_e_len); if (unlikely(!__pyx_temp)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1910; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_temp);
+    __Pyx_DECREF(__pyx_t_1);
+    __pyx_t_1 = __pyx_temp;
+  }
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_cover = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1912
+ *         cover = [0] * e_len
+ *         # Non-terminal coverage
+ *         f_nt_cover = [0] * f_len             # <<<<<<<<<<<<<<
+ *         e_nt_cover = [0] * e_len
+ * 
+ */
+  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(__pyx_int_0);
+  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_int_0);
+  __Pyx_GIVEREF(__pyx_int_0);
+  { PyObject* __pyx_temp = PyNumber_InPlaceMultiply(__pyx_t_1, __pyx_cur_scope->__pyx_v_f_len); if (unlikely(!__pyx_temp)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1912; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_temp);
+    __Pyx_DECREF(__pyx_t_1);
+    __pyx_t_1 = __pyx_temp;
+  }
+  __pyx_v_f_nt_cover = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1913
+ *         # Non-terminal coverage
+ *         f_nt_cover = [0] * f_len
+ *         e_nt_cover = [0] * e_len             # <<<<<<<<<<<<<<
+ * 
+ *         # Extract all possible hierarchical phrases starting at a source index
+ */
+  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(__pyx_int_0);
+  PyList_SET_ITEM(__pyx_t_1, 0, __pyx_int_0);
+  __Pyx_GIVEREF(__pyx_int_0);
+  { PyObject* __pyx_temp = PyNumber_InPlaceMultiply(__pyx_t_1, __pyx_v_e_len); if (unlikely(!__pyx_temp)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1913; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_temp);
+    __Pyx_DECREF(__pyx_t_1);
+    __pyx_t_1 = __pyx_temp;
+  }
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_e_nt_cover = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1918
+ *         # f_ i and j are current, e_ i and j are previous
+ *         # We care _considering_ f_j, so it is not yet in counts
+ *         def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+  __pyx_t_1 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_12add_instance_1extract, 0, ((PyObject*)__pyx_cur_scope), __pyx_n_s___sa, ((PyObject *)__pyx_k_codeobj_136)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_cur_scope->__pyx_v_extract = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2024
+ * 
+ *         # Try to extract phrases from every f index
+ *         for f_i from 0 <= f_i < f_len:             # <<<<<<<<<<<<<<
+ *             # Skip if phrases won't be tight on left side
+ *             if not al[f_i]:
+ */
+  __pyx_t_10 = __Pyx_PyInt_AsLong(__pyx_cur_scope->__pyx_v_f_len); if (unlikely((__pyx_t_10 == (long)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  for (__pyx_v_f_i = 0; __pyx_v_f_i < __pyx_t_10; __pyx_v_f_i++) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2026
+ *         for f_i from 0 <= f_i < f_len:
+ *             # Skip if phrases won't be tight on left side
+ *             if not al[f_i]:             # <<<<<<<<<<<<<<
+ *                 continue
+ *             extract(f_i, f_i, f_len + 1, -1, f_i, 0, [], [], False)
+ */
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_al, __pyx_v_f_i, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2026; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2026; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_11 = (!__pyx_t_9);
+    if (__pyx_t_11) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2027
+ *             # Skip if phrases won't be tight on left side
+ *             if not al[f_i]:
+ *                 continue             # <<<<<<<<<<<<<<
+ *             extract(f_i, f_i, f_len + 1, -1, f_i, 0, [], [], False)
+ * 
+ */
+      goto __pyx_L13_continue;
+      goto __pyx_L15;
+    }
+    __pyx_L15:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2028
+ *             if not al[f_i]:
+ *                 continue
+ *             extract(f_i, f_i, f_len + 1, -1, f_i, 0, [], [], False)             # <<<<<<<<<<<<<<
+ * 
+ *         # Update possible phrases (samples)
+ */
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_f_i); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_6 = PyInt_FromLong(__pyx_v_f_i); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_3 = PyNumber_Add(__pyx_cur_scope->__pyx_v_f_len, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_f_i); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_7 = PyList_New(0); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __pyx_t_12 = PyList_New(0); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_12);
+    __pyx_t_13 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __pyx_t_14 = PyTuple_New(9); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    PyTuple_SET_ITEM(__pyx_t_14, 1, __pyx_t_6);
+    __Pyx_GIVEREF(__pyx_t_6);
+    PyTuple_SET_ITEM(__pyx_t_14, 2, __pyx_t_3);
+    __Pyx_GIVEREF(__pyx_t_3);
+    __Pyx_INCREF(__pyx_int_neg_1);
+    PyTuple_SET_ITEM(__pyx_t_14, 3, __pyx_int_neg_1);
+    __Pyx_GIVEREF(__pyx_int_neg_1);
+    PyTuple_SET_ITEM(__pyx_t_14, 4, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __Pyx_INCREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_14, 5, __pyx_int_0);
+    __Pyx_GIVEREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_14, 6, ((PyObject *)__pyx_t_7));
+    __Pyx_GIVEREF(((PyObject *)__pyx_t_7));
+    PyTuple_SET_ITEM(__pyx_t_14, 7, ((PyObject *)__pyx_t_12));
+    __Pyx_GIVEREF(((PyObject *)__pyx_t_12));
+    PyTuple_SET_ITEM(__pyx_t_14, 8, __pyx_t_13);
+    __Pyx_GIVEREF(__pyx_t_13);
+    __pyx_t_1 = 0;
+    __pyx_t_6 = 0;
+    __pyx_t_3 = 0;
+    __pyx_t_4 = 0;
+    __pyx_t_7 = 0;
+    __pyx_t_12 = 0;
+    __pyx_t_13 = 0;
+    __pyx_t_13 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    __pyx_L13_continue:;
+  }
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2033
+ *         # This could be more efficiently integrated with extraction
+ *         # at the cost of readability
+ *         for (f, lex_i, lex_j) in self.get_f_phrases(f_words):             # <<<<<<<<<<<<<<
+ *             self.samples_f[f] += 1
+ * 
+ */
+  __pyx_t_13 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self), __pyx_n_s__get_f_phrases); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_13);
+  __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_14);
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_words);
+  PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_cur_scope->__pyx_v_f_words);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_words);
+  __pyx_t_12 = PyObject_Call(__pyx_t_13, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_12);
+  __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+  if (PyList_CheckExact(__pyx_t_12) || PyTuple_CheckExact(__pyx_t_12)) {
+    __pyx_t_14 = __pyx_t_12; __Pyx_INCREF(__pyx_t_14); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_t_12); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_5 = Py_TYPE(__pyx_t_14)->tp_iternext;
+  }
+  __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_12 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_12); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_12 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_12 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_12); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_12 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_12 = __pyx_t_5(__pyx_t_14);
+      if (unlikely(!__pyx_t_12)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_12);
+    }
+    if ((likely(PyTuple_CheckExact(__pyx_t_12))) || (PyList_CheckExact(__pyx_t_12))) {
+      PyObject* sequence = __pyx_t_12;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
+      Py_ssize_t size = PySequence_Size(sequence);
+      #endif
+      if (unlikely(size != 3)) {
+        if (size > 3) __Pyx_RaiseTooManyValuesError(3);
+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
+      if (likely(PyTuple_CheckExact(sequence))) {
+        __pyx_t_13 = PyTuple_GET_ITEM(sequence, 0); 
+        __pyx_t_7 = PyTuple_GET_ITEM(sequence, 1); 
+        __pyx_t_4 = PyTuple_GET_ITEM(sequence, 2); 
+      } else {
+        __pyx_t_13 = PyList_GET_ITEM(sequence, 0); 
+        __pyx_t_7 = PyList_GET_ITEM(sequence, 1); 
+        __pyx_t_4 = PyList_GET_ITEM(sequence, 2); 
+      }
+      __Pyx_INCREF(__pyx_t_13);
+      __Pyx_INCREF(__pyx_t_7);
+      __Pyx_INCREF(__pyx_t_4);
+      #else
+      __pyx_t_13 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    } else
+    {
+      Py_ssize_t index = -1;
+      __pyx_t_3 = PyObject_GetIter(__pyx_t_12); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+      __pyx_t_8 = Py_TYPE(__pyx_t_3)->tp_iternext;
+      index = 0; __pyx_t_13 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_13)) goto __pyx_L18_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_13);
+      index = 1; __pyx_t_7 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_7)) goto __pyx_L18_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_7);
+      index = 2; __pyx_t_4 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_4)) goto __pyx_L18_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_4);
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_3), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = NULL;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      goto __pyx_L19_unpacking_done;
+      __pyx_L18_unpacking_failed:;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_8 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_L19_unpacking_done:;
+    }
+    __Pyx_XDECREF(__pyx_v_f);
+    __pyx_v_f = __pyx_t_13;
+    __pyx_t_13 = 0;
+    __Pyx_XDECREF(__pyx_v_lex_i);
+    __pyx_v_lex_i = __pyx_t_7;
+    __pyx_t_7 = 0;
+    __Pyx_XDECREF(__pyx_v_lex_j);
+    __pyx_v_lex_j = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2034
+ *         # at the cost of readability
+ *         for (f, lex_i, lex_j) in self.get_f_phrases(f_words):
+ *             self.samples_f[f] += 1             # <<<<<<<<<<<<<<
+ * 
+ *         # Update phrase counts
+ */
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self->samples_f);
+    __pyx_t_12 = __pyx_cur_scope->__pyx_v_self->samples_f;
+    __Pyx_INCREF(__pyx_v_f);
+    __pyx_t_4 = __pyx_v_f;
+    __pyx_t_7 = PyObject_GetItem(__pyx_t_12, __pyx_t_4); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __pyx_t_13 = PyNumber_InPlaceAdd(__pyx_t_7, __pyx_int_1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (PyObject_SetItem(__pyx_t_12, __pyx_t_4, __pyx_t_13) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2037
+ * 
+ *         # Update phrase counts
+ *         for rule in rules:             # <<<<<<<<<<<<<<
+ *             (f_ph, e_ph, al) = rule[:3]
+ *             self.phrases_f[f_ph] += 1
+ */
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_rules) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_rules)) {
+    __pyx_t_14 = __pyx_cur_scope->__pyx_v_rules; __Pyx_INCREF(__pyx_t_14); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_rules); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_5 = Py_TYPE(__pyx_t_14)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_12 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_12); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_12 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_12 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_12); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_12 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_12 = __pyx_t_5(__pyx_t_14);
+      if (unlikely(!__pyx_t_12)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_12);
+    }
+    __Pyx_XDECREF(__pyx_v_rule);
+    __pyx_v_rule = __pyx_t_12;
+    __pyx_t_12 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2038
+ *         # Update phrase counts
+ *         for rule in rules:
+ *             (f_ph, e_ph, al) = rule[:3]             # <<<<<<<<<<<<<<
+ *             self.phrases_f[f_ph] += 1
+ *             self.phrases_e[e_ph] += 1
+ */
+    __pyx_t_12 = __Pyx_PySequence_GetSlice(__pyx_v_rule, 0, 3); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_12);
+    if ((likely(PyTuple_CheckExact(__pyx_t_12))) || (PyList_CheckExact(__pyx_t_12))) {
+      PyObject* sequence = __pyx_t_12;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
+      Py_ssize_t size = PySequence_Size(sequence);
+      #endif
+      if (unlikely(size != 3)) {
+        if (size > 3) __Pyx_RaiseTooManyValuesError(3);
+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
+      if (likely(PyTuple_CheckExact(sequence))) {
+        __pyx_t_4 = PyTuple_GET_ITEM(sequence, 0); 
+        __pyx_t_13 = PyTuple_GET_ITEM(sequence, 1); 
+        __pyx_t_7 = PyTuple_GET_ITEM(sequence, 2); 
+      } else {
+        __pyx_t_4 = PyList_GET_ITEM(sequence, 0); 
+        __pyx_t_13 = PyList_GET_ITEM(sequence, 1); 
+        __pyx_t_7 = PyList_GET_ITEM(sequence, 2); 
+      }
+      __Pyx_INCREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_t_13);
+      __Pyx_INCREF(__pyx_t_7);
+      #else
+      __pyx_t_4 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_13 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    } else
+    {
+      Py_ssize_t index = -1;
+      __pyx_t_3 = PyObject_GetIter(__pyx_t_12); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+      __pyx_t_8 = Py_TYPE(__pyx_t_3)->tp_iternext;
+      index = 0; __pyx_t_4 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_4)) goto __pyx_L22_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_4);
+      index = 1; __pyx_t_13 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_13)) goto __pyx_L22_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_13);
+      index = 2; __pyx_t_7 = __pyx_t_8(__pyx_t_3); if (unlikely(!__pyx_t_7)) goto __pyx_L22_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_7);
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_3), 3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = NULL;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      goto __pyx_L23_unpacking_done;
+      __pyx_L22_unpacking_failed:;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_8 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_L23_unpacking_done:;
+    }
+    __Pyx_XDECREF(__pyx_v_f_ph);
+    __pyx_v_f_ph = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __Pyx_XDECREF(__pyx_v_e_ph);
+    __pyx_v_e_ph = __pyx_t_13;
+    __pyx_t_13 = 0;
+    __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_al);
+    __Pyx_DECREF(__pyx_cur_scope->__pyx_v_al);
+    __Pyx_GIVEREF(__pyx_t_7);
+    __pyx_cur_scope->__pyx_v_al = __pyx_t_7;
+    __pyx_t_7 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2039
+ *         for rule in rules:
+ *             (f_ph, e_ph, al) = rule[:3]
+ *             self.phrases_f[f_ph] += 1             # <<<<<<<<<<<<<<
+ *             self.phrases_e[e_ph] += 1
+ *             self.phrases_fe[f_ph][e_ph] += 1
+ */
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self->phrases_f);
+    __pyx_t_12 = __pyx_cur_scope->__pyx_v_self->phrases_f;
+    __Pyx_INCREF(__pyx_v_f_ph);
+    __pyx_t_7 = __pyx_v_f_ph;
+    __pyx_t_13 = PyObject_GetItem(__pyx_t_12, __pyx_t_7); if (!__pyx_t_13) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_t_13, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    if (PyObject_SetItem(__pyx_t_12, __pyx_t_7, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2040
+ *             (f_ph, e_ph, al) = rule[:3]
+ *             self.phrases_f[f_ph] += 1
+ *             self.phrases_e[e_ph] += 1             # <<<<<<<<<<<<<<
+ *             self.phrases_fe[f_ph][e_ph] += 1
+ *             if not self.phrases_al[f_ph][e_ph]:
+ */
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self->phrases_e);
+    __pyx_t_12 = __pyx_cur_scope->__pyx_v_self->phrases_e;
+    __Pyx_INCREF(__pyx_v_e_ph);
+    __pyx_t_7 = __pyx_v_e_ph;
+    __pyx_t_4 = PyObject_GetItem(__pyx_t_12, __pyx_t_7); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_13 = PyNumber_InPlaceAdd(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (PyObject_SetItem(__pyx_t_12, __pyx_t_7, __pyx_t_13) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2040; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2041
+ *             self.phrases_f[f_ph] += 1
+ *             self.phrases_e[e_ph] += 1
+ *             self.phrases_fe[f_ph][e_ph] += 1             # <<<<<<<<<<<<<<
+ *             if not self.phrases_al[f_ph][e_ph]:
+ *                 self.phrases_al[f_ph][e_ph] = al
+ */
+    __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_self->phrases_fe, __pyx_v_f_ph); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2041; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_12);
+    __Pyx_INCREF(__pyx_v_e_ph);
+    __pyx_t_7 = __pyx_v_e_ph;
+    __pyx_t_13 = PyObject_GetItem(__pyx_t_12, __pyx_t_7); if (!__pyx_t_13) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2041; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_t_13, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2041; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    if (PyObject_SetItem(__pyx_t_12, __pyx_t_7, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2041; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2042
+ *             self.phrases_e[e_ph] += 1
+ *             self.phrases_fe[f_ph][e_ph] += 1
+ *             if not self.phrases_al[f_ph][e_ph]:             # <<<<<<<<<<<<<<
+ *                 self.phrases_al[f_ph][e_ph] = al
+ * 
+ */
+    __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_self->phrases_al, __pyx_v_f_ph); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_12);
+    __pyx_t_7 = PyObject_GetItem(__pyx_t_12, __pyx_v_e_ph); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __pyx_t_9 = (!__pyx_t_11);
+    if (__pyx_t_9) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2043
+ *             self.phrases_fe[f_ph][e_ph] += 1
+ *             if not self.phrases_al[f_ph][e_ph]:
+ *                 self.phrases_al[f_ph][e_ph] = al             # <<<<<<<<<<<<<<
+ * 
+ *         # Update Bilexical counts
+ */
+      __pyx_t_7 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_self->phrases_al, __pyx_v_f_ph); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2043; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      if (PyObject_SetItem(__pyx_t_7, __pyx_v_e_ph, __pyx_cur_scope->__pyx_v_al) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2043; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      goto __pyx_L24;
+    }
+    __pyx_L24:;
+  }
+  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2046
+ * 
+ *         # Update Bilexical counts
+ *         for e_w in e_words:             # <<<<<<<<<<<<<<
+ *             self.bilex_e[e_w] += 1
+ *         for f_w in f_words:
+ */
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_e_words) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_e_words)) {
+    __pyx_t_14 = __pyx_cur_scope->__pyx_v_e_words; __Pyx_INCREF(__pyx_t_14); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_e_words); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_5 = Py_TYPE(__pyx_t_14)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_7); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_7); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_7 = __pyx_t_5(__pyx_t_14);
+      if (unlikely(!__pyx_t_7)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_7);
+    }
+    __Pyx_XDECREF(__pyx_v_e_w);
+    __pyx_v_e_w = __pyx_t_7;
+    __pyx_t_7 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2047
+ *         # Update Bilexical counts
+ *         for e_w in e_words:
+ *             self.bilex_e[e_w] += 1             # <<<<<<<<<<<<<<
+ *         for f_w in f_words:
+ *             self.bilex_f[f_w] += 1
+ */
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self->bilex_e);
+    __pyx_t_7 = __pyx_cur_scope->__pyx_v_self->bilex_e;
+    __Pyx_INCREF(__pyx_v_e_w);
+    __pyx_t_12 = __pyx_v_e_w;
+    __pyx_t_4 = PyObject_GetItem(__pyx_t_7, __pyx_t_12); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_13 = PyNumber_InPlaceAdd(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (PyObject_SetItem(__pyx_t_7, __pyx_t_12, __pyx_t_13) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2048
+ *         for e_w in e_words:
+ *             self.bilex_e[e_w] += 1
+ *         for f_w in f_words:             # <<<<<<<<<<<<<<
+ *             self.bilex_f[f_w] += 1
+ *             for e_w in e_words:
+ */
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_f_words) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_f_words)) {
+    __pyx_t_14 = __pyx_cur_scope->__pyx_v_f_words; __Pyx_INCREF(__pyx_t_14); __pyx_t_2 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_f_words); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_14);
+    __pyx_t_5 = Py_TYPE(__pyx_t_14)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_7); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_14)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_14)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_2); __Pyx_INCREF(__pyx_t_7); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_14, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_7 = __pyx_t_5(__pyx_t_14);
+      if (unlikely(!__pyx_t_7)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_7);
+    }
+    __Pyx_XDECREF(__pyx_v_f_w);
+    __pyx_v_f_w = __pyx_t_7;
+    __pyx_t_7 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2049
+ *             self.bilex_e[e_w] += 1
+ *         for f_w in f_words:
+ *             self.bilex_f[f_w] += 1             # <<<<<<<<<<<<<<
+ *             for e_w in e_words:
+ *                 self.bilex_fe[f_w][e_w] += 1
+ */
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_self->bilex_f);
+    __pyx_t_7 = __pyx_cur_scope->__pyx_v_self->bilex_f;
+    __Pyx_INCREF(__pyx_v_f_w);
+    __pyx_t_12 = __pyx_v_f_w;
+    __pyx_t_13 = PyObject_GetItem(__pyx_t_7, __pyx_t_12); if (!__pyx_t_13) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_13);
+    __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_t_13, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+    if (PyObject_SetItem(__pyx_t_7, __pyx_t_12, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2050
+ *         for f_w in f_words:
+ *             self.bilex_f[f_w] += 1
+ *             for e_w in e_words:             # <<<<<<<<<<<<<<
+ *                 self.bilex_fe[f_w][e_w] += 1
+ * 
+ */
+    if (PyList_CheckExact(__pyx_cur_scope->__pyx_v_e_words) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_v_e_words)) {
+      __pyx_t_7 = __pyx_cur_scope->__pyx_v_e_words; __Pyx_INCREF(__pyx_t_7); __pyx_t_15 = 0;
+      __pyx_t_16 = NULL;
+    } else {
+      __pyx_t_15 = -1; __pyx_t_7 = PyObject_GetIter(__pyx_cur_scope->__pyx_v_e_words); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __pyx_t_16 = Py_TYPE(__pyx_t_7)->tp_iternext;
+    }
+    for (;;) {
+      if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_7)) {
+        if (__pyx_t_15 >= PyList_GET_SIZE(__pyx_t_7)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_12 = PyList_GET_ITEM(__pyx_t_7, __pyx_t_15); __Pyx_INCREF(__pyx_t_12); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_12 = PySequence_ITEM(__pyx_t_7, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_7)) {
+        if (__pyx_t_15 >= PyTuple_GET_SIZE(__pyx_t_7)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_12 = PyTuple_GET_ITEM(__pyx_t_7, __pyx_t_15); __Pyx_INCREF(__pyx_t_12); __pyx_t_15++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_12 = PySequence_ITEM(__pyx_t_7, __pyx_t_15); __pyx_t_15++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_12 = __pyx_t_16(__pyx_t_7);
+        if (unlikely(!__pyx_t_12)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_12);
+      }
+      __Pyx_XDECREF(__pyx_v_e_w);
+      __pyx_v_e_w = __pyx_t_12;
+      __pyx_t_12 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2051
+ *             self.bilex_f[f_w] += 1
+ *             for e_w in e_words:
+ *                 self.bilex_fe[f_w][e_w] += 1             # <<<<<<<<<<<<<<
+ * 
+ *     # Create a rule from source, target, non-terminals, and alignments
+ */
+      __pyx_t_12 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_self->bilex_fe, __pyx_v_f_w); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_INCREF(__pyx_v_e_w);
+      __pyx_t_4 = __pyx_v_e_w;
+      __pyx_t_13 = PyObject_GetItem(__pyx_t_12, __pyx_t_4); if (!__pyx_t_13) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_13);
+      __pyx_t_3 = PyNumber_InPlaceAdd(__pyx_t_13, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
+      if (PyObject_SetItem(__pyx_t_12, __pyx_t_4, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    }
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_XDECREF(__pyx_t_12);
+  __Pyx_XDECREF(__pyx_t_13);
+  __Pyx_XDECREF(__pyx_t_14);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.add_instance", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_e_len);
+  __Pyx_XDECREF(__pyx_v_f);
+  __Pyx_XDECREF(__pyx_v_e);
+  __Pyx_XDECREF(__pyx_v_f_nt_cover);
+  __Pyx_XDECREF(__pyx_v_lex_i);
+  __Pyx_XDECREF(__pyx_v_lex_j);
+  __Pyx_XDECREF(__pyx_v_rule);
+  __Pyx_XDECREF(__pyx_v_f_ph);
+  __Pyx_XDECREF(__pyx_v_e_ph);
+  __Pyx_XDECREF(__pyx_v_e_w);
+  __Pyx_XDECREF(__pyx_v_f_w);
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_28form_rule(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_28form_rule(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f_i = 0;
+  PyObject *__pyx_v_e_i = 0;
+  PyObject *__pyx_v_f_span = 0;
+  PyObject *__pyx_v_e_span = 0;
+  PyObject *__pyx_v_nt = 0;
+  PyObject *__pyx_v_al = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("form_rule (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f_i,&__pyx_n_s__e_i,&__pyx_n_s__f_span,&__pyx_n_s__e_span,&__pyx_n_s__nt,&__pyx_n_s__al,0};
+    PyObject* values[6] = {0,0,0,0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_i)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e_i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_span)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  3:
+        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e_span)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  4:
+        if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__nt)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, 4); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  5:
+        if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__al)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, 5); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "form_rule") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 6) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+      values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+      values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+    }
+    __pyx_v_f_i = values[0];
+    __pyx_v_e_i = values[1];
+    __pyx_v_f_span = values[2];
+    __pyx_v_e_span = values[3];
+    __pyx_v_nt = values[4];
+    __pyx_v_al = values[5];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("form_rule", 1, 6, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_27form_rule(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_f_i, __pyx_v_e_i, __pyx_v_f_span, __pyx_v_e_span, __pyx_v_nt, __pyx_v_al);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_lambda7(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_9form_rule_lambda7 = {__Pyx_NAMESTR("lambda7"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_lambda7, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_lambda7(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_x = 0;
+  PyObject *__pyx_v_y = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("lambda7 (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__x,&__pyx_n_s__y,0};
+    PyObject* values[2] = {0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__x)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__y)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("lambda7", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "lambda7") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+    }
+    __pyx_v_x = values[0];
+    __pyx_v_y = values[1];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("lambda7", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule.lambda7", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_lambda_funcdef_lambda7(__pyx_self, __pyx_v_x, __pyx_v_y);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2057
+ * 
+ *         # Substitute in non-terminals
+ *         nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))             # <<<<<<<<<<<<<<
+ *         f_sym = list(f_span[:])
+ *         off = f_i
+ */
+
+static PyObject *__pyx_lambda_funcdef_lambda7(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("lambda7", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_x, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_y, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __pyx_t_1 = 0;
+  __pyx_t_2 = 0;
+  __pyx_t_2 = PyObject_Call(__pyx_builtin_cmp, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_r = __pyx_t_2;
+  __pyx_t_2 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule.lambda7", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_1lambda8(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_9form_rule_1lambda8 = {__Pyx_NAMESTR("lambda8"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_1lambda8, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_9form_rule_1lambda8(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_x = 0;
+  PyObject *__pyx_v_y = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("lambda8 (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__x,&__pyx_n_s__y,0};
+    PyObject* values[2] = {0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__x)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__y)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("lambda8", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "lambda8") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+    }
+    __pyx_v_x = values[0];
+    __pyx_v_y = values[1];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("lambda8", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule.lambda8", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_lambda_funcdef_lambda8(__pyx_self, __pyx_v_x, __pyx_v_y);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2081
+ *         # Adjusting alignment links takes some doing
+ *         links = [list(link) for sub in al for link in sub]
+ *         links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))             # <<<<<<<<<<<<<<
+ *         links_len = len(links)
+ *         nt_len = len(nt)
+ */
+
+static PyObject *__pyx_lambda_funcdef_lambda8(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_x, PyObject *__pyx_v_y) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("lambda8", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_x, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_y, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __pyx_t_1 = 0;
+  __pyx_t_2 = 0;
+  __pyx_t_2 = PyObject_Call(__pyx_builtin_cmp, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_r = __pyx_t_2;
+  __pyx_t_2 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule.lambda8", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_9form_rule_4generator15(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2115
+ *         f = Phrase(f_sym)
+ *         e = Phrase(e_sym)
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)             # <<<<<<<<<<<<<<
+ *         return (f, e, a, lex_f_i, lex_f_j)
+ * 
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_9form_rule_2genexpr(PyObject *__pyx_self) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("genexpr", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_23_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_23_genexpr, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *) __pyx_self;
+  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
+  {
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_9form_rule_4generator15, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_cur_scope);
+    __Pyx_RefNannyFinishContext();
+    return (PyObject *) gen;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule.genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_9form_rule_4generator15(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+{
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)__pyx_generator->closure);
+  PyObject *__pyx_r = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  PyObject *__pyx_t_6 = NULL;
+  PyObject *__pyx_t_7 = NULL;
+  PyObject *(*__pyx_t_8)(PyObject *);
+  int __pyx_t_9;
+  int __pyx_t_10;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("None", 0);
+  switch (__pyx_generator->resume_label) {
+    case 0: goto __pyx_L3_first_run;
+    case 1: goto __pyx_L8_resume_from_yield;
+    default: /* CPython raises the right error here */
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __pyx_L3_first_run:;
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_links)) { __Pyx_RaiseClosureNameError("links"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_links) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_links)) {
+    __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_links; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_links); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    if ((likely(PyTuple_CheckExact(__pyx_t_4))) || (PyList_CheckExact(__pyx_t_4))) {
+      PyObject* sequence = __pyx_t_4;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
+      Py_ssize_t size = PySequence_Size(sequence);
+      #endif
+      if (unlikely(size != 2)) {
+        if (size > 2) __Pyx_RaiseTooManyValuesError(2);
+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
+      if (likely(PyTuple_CheckExact(sequence))) {
+        __pyx_t_5 = PyTuple_GET_ITEM(sequence, 0); 
+        __pyx_t_6 = PyTuple_GET_ITEM(sequence, 1); 
+      } else {
+        __pyx_t_5 = PyList_GET_ITEM(sequence, 0); 
+        __pyx_t_6 = PyList_GET_ITEM(sequence, 1); 
+      }
+      __Pyx_INCREF(__pyx_t_5);
+      __Pyx_INCREF(__pyx_t_6);
+      #else
+      __pyx_t_5 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    } else
+    {
+      Py_ssize_t index = -1;
+      __pyx_t_7 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_8 = Py_TYPE(__pyx_t_7)->tp_iternext;
+      index = 0; __pyx_t_5 = __pyx_t_8(__pyx_t_7); if (unlikely(!__pyx_t_5)) goto __pyx_L6_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_5);
+      index = 1; __pyx_t_6 = __pyx_t_8(__pyx_t_7); if (unlikely(!__pyx_t_6)) goto __pyx_L6_unpacking_failed;
+      __Pyx_GOTREF(__pyx_t_6);
+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_8(__pyx_t_7), 2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = NULL;
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      goto __pyx_L7_unpacking_done;
+      __pyx_L6_unpacking_failed:;
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      __pyx_t_8 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_L7_unpacking_done:;
+    }
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_i);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_i);
+    __Pyx_GIVEREF(__pyx_t_5);
+    __pyx_cur_scope->__pyx_v_i = __pyx_t_5;
+    __pyx_t_5 = 0;
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_j);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_j);
+    __Pyx_GIVEREF(__pyx_t_6);
+    __pyx_cur_scope->__pyx_v_j = __pyx_t_6;
+    __pyx_t_6 = 0;
+    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_i); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_j); if (unlikely((__pyx_t_10 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyInt_FromLong(((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_cur_scope->__pyx_outer_scope->__pyx_v_self->alignment->__pyx_vtab)->link(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_self->alignment, __pyx_t_9, __pyx_t_10)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_r = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __Pyx_XGIVEREF(__pyx_t_1);
+    __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+    __pyx_cur_scope->__pyx_t_1 = __pyx_t_2;
+    __pyx_cur_scope->__pyx_t_2 = __pyx_t_3;
+    __Pyx_XGIVEREF(__pyx_r);
+    __Pyx_RefNannyFinishContext();
+    /* return from generator, yielding value */
+    __pyx_generator->resume_label = 1;
+    return __pyx_r;
+    __pyx_L8_resume_from_yield:;
+    __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+    __pyx_cur_scope->__pyx_t_0 = 0;
+    __Pyx_XGOTREF(__pyx_t_1);
+    __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
+    __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  PyErr_SetNone(PyExc_StopIteration);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_AddTraceback("genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2054
+ * 
+ *     # Create a rule from source, target, non-terminals, and alignments
+ *     def form_rule(self, f_i, e_i, f_span, e_span, nt, al):             # <<<<<<<<<<<<<<
+ * 
+ *         # Substitute in non-terminals
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_27form_rule(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_e_i, PyObject *__pyx_v_f_span, PyObject *__pyx_v_e_span, PyObject *__pyx_v_nt, PyObject *__pyx_v_al) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *__pyx_cur_scope;
+  PyObject *__pyx_v_nt_inv = NULL;
+  PyObject *__pyx_v_f_sym = NULL;
+  PyObject *__pyx_v_off = NULL;
+  PyObject *__pyx_v_next_nt = NULL;
+  PyObject *__pyx_v_nt_len = NULL;
+  PyObject *__pyx_v_i = NULL;
+  PyObject *__pyx_v_e_sym = NULL;
+  PyObject *__pyx_v_links_inv = NULL;
+  PyObject *__pyx_v_links_len = NULL;
+  PyObject *__pyx_v_nt_i = NULL;
+  PyObject *__pyx_v_lex_f_i = NULL;
+  PyObject *__pyx_v_lex_f_j = NULL;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_f = NULL;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_e = NULL;
+  PyObject *__pyx_v_a = NULL;
+  PyObject *__pyx_v_sub = NULL;
+  PyObject *__pyx_v_link = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  Py_ssize_t __pyx_t_4;
+  PyObject *(*__pyx_t_5)(PyObject *);
+  PyObject *__pyx_t_6 = NULL;
+  int __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  int __pyx_t_9;
+  int __pyx_t_10;
+  PyObject *(*__pyx_t_11)(PyObject *);
+  PyObject *__pyx_t_12 = NULL;
+  int __pyx_t_13;
+  int __pyx_t_14;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("form_rule", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)__pyx_ptype_3_sa___pyx_scope_struct_22_form_rule->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_22_form_rule, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
+  __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2057
+ * 
+ *         # Substitute in non-terminals
+ *         nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))             # <<<<<<<<<<<<<<
+ *         f_sym = list(f_span[:])
+ *         off = f_i
+ */
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(__pyx_v_nt);
+  PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_v_nt);
+  __Pyx_GIVEREF(__pyx_v_nt);
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_2));
+  __pyx_t_3 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_9form_rule_lambda7, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__cmp), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __pyx_t_3 = PyObject_Call(__pyx_builtin_sorted, ((PyObject *)__pyx_t_1), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2057; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_v_nt_inv = __pyx_t_3;
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2058
+ *         # Substitute in non-terminals
+ *         nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))
+ *         f_sym = list(f_span[:])             # <<<<<<<<<<<<<<
+ *         off = f_i
+ *         for next_nt in nt:
+ */
+  __pyx_t_3 = __Pyx_PySequence_GetSlice(__pyx_v_f_span, 0, PY_SSIZE_T_MAX); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2058; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2058; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3);
+  __Pyx_GIVEREF(__pyx_t_3);
+  __pyx_t_3 = 0;
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)(&PyList_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2058; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_v_f_sym = ((PyObject*)__pyx_t_3);
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2059
+ *         nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))
+ *         f_sym = list(f_span[:])
+ *         off = f_i             # <<<<<<<<<<<<<<
+ *         for next_nt in nt:
+ *             nt_len = (next_nt[2] - next_nt[1]) + 1
+ */
+  __Pyx_INCREF(__pyx_v_f_i);
+  __pyx_v_off = __pyx_v_f_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2060
+ *         f_sym = list(f_span[:])
+ *         off = f_i
+ *         for next_nt in nt:             # <<<<<<<<<<<<<<
+ *             nt_len = (next_nt[2] - next_nt[1]) + 1
+ *             i = 0
+ */
+  if (PyList_CheckExact(__pyx_v_nt) || PyTuple_CheckExact(__pyx_v_nt)) {
+    __pyx_t_3 = __pyx_v_nt; __Pyx_INCREF(__pyx_t_3); __pyx_t_4 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_4 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_nt); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_2 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_2)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2060; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_2);
+    }
+    __Pyx_XDECREF(__pyx_v_next_nt);
+    __pyx_v_next_nt = __pyx_t_2;
+    __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2061
+ *         off = f_i
+ *         for next_nt in nt:
+ *             nt_len = (next_nt[2] - next_nt[1]) + 1             # <<<<<<<<<<<<<<
+ *             i = 0
+ *             while i < nt_len:
+ */
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_next_nt, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2061; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_next_nt, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2061; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_6 = PyNumber_Subtract(__pyx_t_2, __pyx_t_1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2061; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = PyNumber_Add(__pyx_t_6, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2061; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __Pyx_XDECREF(__pyx_v_nt_len);
+    __pyx_v_nt_len = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2062
+ *         for next_nt in nt:
+ *             nt_len = (next_nt[2] - next_nt[1]) + 1
+ *             i = 0             # <<<<<<<<<<<<<<
+ *             while i < nt_len:
+ *                 f_sym.pop(next_nt[1] - off)
+ */
+    __Pyx_INCREF(__pyx_int_0);
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_int_0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2063
+ *             nt_len = (next_nt[2] - next_nt[1]) + 1
+ *             i = 0
+ *             while i < nt_len:             # <<<<<<<<<<<<<<
+ *                 f_sym.pop(next_nt[1] - off)
+ *                 i += 1
+ */
+    while (1) {
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_i, __pyx_v_nt_len, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2063; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2063; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      if (!__pyx_t_7) break;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2064
+ *             i = 0
+ *             while i < nt_len:
+ *                 f_sym.pop(next_nt[1] - off)             # <<<<<<<<<<<<<<
+ *                 i += 1
+ *             f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))
+ */
+      __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_f_sym), __pyx_n_s__pop); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_6 = __Pyx_GetItemInt(__pyx_v_next_nt, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_off); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2065
+ *             while i < nt_len:
+ *                 f_sym.pop(next_nt[1] - off)
+ *                 i += 1             # <<<<<<<<<<<<<<
+ *             f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))
+ *             off += (nt_len - 1)
+ */
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2065; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_v_i);
+      __pyx_v_i = __pyx_t_2;
+      __pyx_t_2 = 0;
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2066
+ *                 f_sym.pop(next_nt[1] - off)
+ *                 i += 1
+ *             f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))             # <<<<<<<<<<<<<<
+ *             off += (nt_len - 1)
+ *         e_sym = list(e_span[:])
+ */
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_next_nt, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_6 = PyNumber_Subtract(__pyx_t_2, __pyx_v_off); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_8 = __Pyx_PyIndex_AsSsize_t(__pyx_t_6); if (unlikely((__pyx_t_8 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_6 = __Pyx_GetItemInt(__pyx_v_next_nt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_6 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_9)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_10 = PyList_Insert(__pyx_v_f_sym, __pyx_t_8, __pyx_t_6); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2067
+ *                 i += 1
+ *             f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))
+ *             off += (nt_len - 1)             # <<<<<<<<<<<<<<
+ *         e_sym = list(e_span[:])
+ *         off = e_i
+ */
+    __pyx_t_6 = PyNumber_Subtract(__pyx_v_nt_len, __pyx_int_1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_off, __pyx_t_6); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __Pyx_DECREF(__pyx_v_off);
+    __pyx_v_off = __pyx_t_2;
+    __pyx_t_2 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2068
+ *             f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))
+ *             off += (nt_len - 1)
+ *         e_sym = list(e_span[:])             # <<<<<<<<<<<<<<
+ *         off = e_i
+ *         for next_nt in nt_inv:
+ */
+  __pyx_t_3 = __Pyx_PySequence_GetSlice(__pyx_v_e_span, 0, PY_SSIZE_T_MAX); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3);
+  __Pyx_GIVEREF(__pyx_t_3);
+  __pyx_t_3 = 0;
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)(&PyList_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_v_e_sym = ((PyObject*)__pyx_t_3);
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2069
+ *             off += (nt_len - 1)
+ *         e_sym = list(e_span[:])
+ *         off = e_i             # <<<<<<<<<<<<<<
+ *         for next_nt in nt_inv:
+ *             nt_len = (next_nt[4] - next_nt[3]) + 1
+ */
+  __Pyx_INCREF(__pyx_v_e_i);
+  __Pyx_DECREF(__pyx_v_off);
+  __pyx_v_off = __pyx_v_e_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2070
+ *         e_sym = list(e_span[:])
+ *         off = e_i
+ *         for next_nt in nt_inv:             # <<<<<<<<<<<<<<
+ *             nt_len = (next_nt[4] - next_nt[3]) + 1
+ *             i = 0
+ */
+  if (PyList_CheckExact(__pyx_v_nt_inv) || PyTuple_CheckExact(__pyx_v_nt_inv)) {
+    __pyx_t_3 = __pyx_v_nt_inv; __Pyx_INCREF(__pyx_t_3); __pyx_t_4 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_4 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_nt_inv); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = Py_TYPE(__pyx_t_3)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_3)) {
+      if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_4); __Pyx_INCREF(__pyx_t_2); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_3, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_2 = __pyx_t_5(__pyx_t_3);
+      if (unlikely(!__pyx_t_2)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_2);
+    }
+    __Pyx_XDECREF(__pyx_v_next_nt);
+    __pyx_v_next_nt = __pyx_t_2;
+    __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2071
+ *         off = e_i
+ *         for next_nt in nt_inv:
+ *             nt_len = (next_nt[4] - next_nt[3]) + 1             # <<<<<<<<<<<<<<
+ *             i = 0
+ *             while i < nt_len:
+ */
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_next_nt, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_6 = __Pyx_GetItemInt(__pyx_v_next_nt, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __pyx_t_1 = PyNumber_Subtract(__pyx_t_2, __pyx_t_6); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __pyx_t_6 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_XDECREF(__pyx_v_nt_len);
+    __pyx_v_nt_len = __pyx_t_6;
+    __pyx_t_6 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2072
+ *         for next_nt in nt_inv:
+ *             nt_len = (next_nt[4] - next_nt[3]) + 1
+ *             i = 0             # <<<<<<<<<<<<<<
+ *             while i < nt_len:
+ *                 e_sym.pop(next_nt[3] - off)
+ */
+    __Pyx_INCREF(__pyx_int_0);
+    __Pyx_XDECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_int_0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2073
+ *             nt_len = (next_nt[4] - next_nt[3]) + 1
+ *             i = 0
+ *             while i < nt_len:             # <<<<<<<<<<<<<<
+ *                 e_sym.pop(next_nt[3] - off)
+ *                 i += 1
+ */
+    while (1) {
+      __pyx_t_6 = PyObject_RichCompare(__pyx_v_i, __pyx_v_nt_len, Py_LT); __Pyx_XGOTREF(__pyx_t_6); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2073; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2073; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      if (!__pyx_t_7) break;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2074
+ *             i = 0
+ *             while i < nt_len:
+ *                 e_sym.pop(next_nt[3] - off)             # <<<<<<<<<<<<<<
+ *                 i += 1
+ *             e_sym.insert(next_nt[3] - off, sym_setindex(self.category, next_nt[0]))
+ */
+      __pyx_t_6 = PyObject_GetAttr(((PyObject *)__pyx_v_e_sym), __pyx_n_s__pop); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_next_nt, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_1, __pyx_v_off); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_2);
+      __Pyx_GIVEREF(__pyx_t_2);
+      __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_Call(__pyx_t_6, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2075
+ *             while i < nt_len:
+ *                 e_sym.pop(next_nt[3] - off)
+ *                 i += 1             # <<<<<<<<<<<<<<
+ *             e_sym.insert(next_nt[3] - off, sym_setindex(self.category, next_nt[0]))
+ *             off += (nt_len - 1)
+ */
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_v_i);
+      __pyx_v_i = __pyx_t_2;
+      __pyx_t_2 = 0;
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2076
+ *                 e_sym.pop(next_nt[3] - off)
+ *                 i += 1
+ *             e_sym.insert(next_nt[3] - off, sym_setindex(self.category, next_nt[0]))             # <<<<<<<<<<<<<<
+ *             off += (nt_len - 1)
+ * 
+ */
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_next_nt, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = PyNumber_Subtract(__pyx_t_2, __pyx_v_off); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_8 = __Pyx_PyIndex_AsSsize_t(__pyx_t_1); if (unlikely((__pyx_t_8 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_next_nt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_9 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_9 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_9)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_10 = PyList_Insert(__pyx_v_e_sym, __pyx_t_8, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2077
+ *                 i += 1
+ *             e_sym.insert(next_nt[3] - off, sym_setindex(self.category, next_nt[0]))
+ *             off += (nt_len - 1)             # <<<<<<<<<<<<<<
+ * 
+ *         # Adjusting alignment links takes some doing
+ */
+    __pyx_t_1 = PyNumber_Subtract(__pyx_v_nt_len, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_off, __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_v_off);
+    __pyx_v_off = __pyx_t_2;
+    __pyx_t_2 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2080
+ * 
+ *         # Adjusting alignment links takes some doing
+ *         links = [list(link) for sub in al for link in sub]             # <<<<<<<<<<<<<<
+ *         links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))
+ *         links_len = len(links)
+ */
+  __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyList_CheckExact(__pyx_v_al) || PyTuple_CheckExact(__pyx_v_al)) {
+    __pyx_t_2 = __pyx_v_al; __Pyx_INCREF(__pyx_t_2); __pyx_t_4 = 0;
+    __pyx_t_5 = NULL;
+  } else {
+    __pyx_t_4 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_al); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_5 = Py_TYPE(__pyx_t_2)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_5 && PyList_CheckExact(__pyx_t_2)) {
+      if (__pyx_t_4 >= PyList_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_1 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_5 && PyTuple_CheckExact(__pyx_t_2)) {
+      if (__pyx_t_4 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_4); __Pyx_INCREF(__pyx_t_1); __pyx_t_4++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_4); __pyx_t_4++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_1 = __pyx_t_5(__pyx_t_2);
+      if (unlikely(!__pyx_t_1)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_1);
+    }
+    __Pyx_XDECREF(__pyx_v_sub);
+    __pyx_v_sub = __pyx_t_1;
+    __pyx_t_1 = 0;
+    if (PyList_CheckExact(__pyx_v_sub) || PyTuple_CheckExact(__pyx_v_sub)) {
+      __pyx_t_1 = __pyx_v_sub; __Pyx_INCREF(__pyx_t_1); __pyx_t_8 = 0;
+      __pyx_t_11 = NULL;
+    } else {
+      __pyx_t_8 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_sub); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_11 = Py_TYPE(__pyx_t_1)->tp_iternext;
+    }
+    for (;;) {
+      if (!__pyx_t_11 && PyList_CheckExact(__pyx_t_1)) {
+        if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_1)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_6 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_6); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_6 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_11 && PyTuple_CheckExact(__pyx_t_1)) {
+        if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_6 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_6); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_6 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_6 = __pyx_t_11(__pyx_t_1);
+        if (unlikely(!__pyx_t_6)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_6);
+      }
+      __Pyx_XDECREF(__pyx_v_link);
+      __pyx_v_link = __pyx_t_6;
+      __pyx_t_6 = 0;
+      __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_6);
+      __Pyx_INCREF(__pyx_v_link);
+      PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_v_link);
+      __Pyx_GIVEREF(__pyx_v_link);
+      __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)(&PyList_Type))), ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+      if (unlikely(__Pyx_PyList_Append(__pyx_t_3, (PyObject*)__pyx_t_12))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    }
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_INCREF(((PyObject *)__pyx_t_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
+  __pyx_cur_scope->__pyx_v_links = ((PyObject *)__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2081
+ *         # Adjusting alignment links takes some doing
+ *         links = [list(link) for sub in al for link in sub]
+ *         links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))             # <<<<<<<<<<<<<<
+ *         links_len = len(links)
+ *         nt_len = len(nt)
+ */
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_links);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_cur_scope->__pyx_v_links);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_links);
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_2));
+  __pyx_t_1 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_9form_rule_1lambda8, 0, NULL, __pyx_n_s___sa, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__cmp), __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_builtin_sorted, ((PyObject *)__pyx_t_3), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2081; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __pyx_v_links_inv = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2082
+ *         links = [list(link) for sub in al for link in sub]
+ *         links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))
+ *         links_len = len(links)             # <<<<<<<<<<<<<<
+ *         nt_len = len(nt)
+ *         nt_i = 0
+ */
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_links;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_4 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2082; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2082; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_v_links_len = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2083
+ *         links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))
+ *         links_len = len(links)
+ *         nt_len = len(nt)             # <<<<<<<<<<<<<<
+ *         nt_i = 0
+ *         off = f_i
+ */
+  __pyx_t_4 = PyObject_Length(__pyx_v_nt); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_4); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2083; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_v_nt_len);
+  __pyx_v_nt_len = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2084
+ *         links_len = len(links)
+ *         nt_len = len(nt)
+ *         nt_i = 0             # <<<<<<<<<<<<<<
+ *         off = f_i
+ *         i = 0
+ */
+  __Pyx_INCREF(__pyx_int_0);
+  __pyx_v_nt_i = __pyx_int_0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2085
+ *         nt_len = len(nt)
+ *         nt_i = 0
+ *         off = f_i             # <<<<<<<<<<<<<<
+ *         i = 0
+ *         while i < links_len:
+ */
+  __Pyx_INCREF(__pyx_v_f_i);
+  __Pyx_DECREF(__pyx_v_off);
+  __pyx_v_off = __pyx_v_f_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2086
+ *         nt_i = 0
+ *         off = f_i
+ *         i = 0             # <<<<<<<<<<<<<<
+ *         while i < links_len:
+ *             while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+ */
+  __Pyx_INCREF(__pyx_int_0);
+  __Pyx_XDECREF(__pyx_v_i);
+  __pyx_v_i = __pyx_int_0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2087
+ *         off = f_i
+ *         i = 0
+ *         while i < links_len:             # <<<<<<<<<<<<<<
+ *             while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+ *                 off += (nt[nt_i][2] - nt[nt_i][1])
+ */
+  while (1) {
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_i, __pyx_v_links_len, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2087; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2087; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (!__pyx_t_7) break;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2088
+ *         i = 0
+ *         while i < links_len:
+ *             while nt_i < nt_len and links[i][0] > nt[nt_i][1]:             # <<<<<<<<<<<<<<
+ *                 off += (nt[nt_i][2] - nt[nt_i][1])
+ *                 nt_i += 1
+ */
+    while (1) {
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_nt_i, __pyx_v_nt_len, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      if (__pyx_t_7) {
+        __pyx_t_1 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_links, __pyx_v_i); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __pyx_t_1 = PyObject_GetItem(__pyx_v_nt, __pyx_v_nt_i); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_t_3, Py_GT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_13 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2088; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __pyx_t_14 = __pyx_t_13;
+      } else {
+        __pyx_t_14 = __pyx_t_7;
+      }
+      if (!__pyx_t_14) break;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2089
+ *         while i < links_len:
+ *             while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+ *                 off += (nt[nt_i][2] - nt[nt_i][1])             # <<<<<<<<<<<<<<
+ *                 nt_i += 1
+ *             links[i][0] -= off
+ */
+      __pyx_t_1 = PyObject_GetItem(__pyx_v_nt, __pyx_v_nt_i); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyObject_GetItem(__pyx_v_nt, __pyx_v_nt_i); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_Subtract(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_off, __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2089; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_v_off);
+      __pyx_v_off = __pyx_t_2;
+      __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2090
+ *             while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+ *                 off += (nt[nt_i][2] - nt[nt_i][1])
+ *                 nt_i += 1             # <<<<<<<<<<<<<<
+ *             links[i][0] -= off
+ *             i += 1
+ */
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_nt_i, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_v_nt_i);
+      __pyx_v_nt_i = __pyx_t_2;
+      __pyx_t_2 = 0;
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2091
+ *                 off += (nt[nt_i][2] - nt[nt_i][1])
+ *                 nt_i += 1
+ *             links[i][0] -= off             # <<<<<<<<<<<<<<
+ *             i += 1
+ *         nt_i = 0
+ */
+    __pyx_t_2 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_links, __pyx_v_i); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_4 = 0;
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_2, __pyx_t_4, sizeof(Py_ssize_t), PyInt_FromSsize_t); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = PyNumber_InPlaceSubtract(__pyx_t_1, __pyx_v_off); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (__Pyx_SetItemInt(__pyx_t_2, __pyx_t_4, __pyx_t_3, sizeof(Py_ssize_t), PyInt_FromSsize_t) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2091; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2092
+ *                 nt_i += 1
+ *             links[i][0] -= off
+ *             i += 1             # <<<<<<<<<<<<<<
+ *         nt_i = 0
+ *         off = e_i
+ */
+    __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2092; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_2;
+    __pyx_t_2 = 0;
+  }
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2093
+ *             links[i][0] -= off
+ *             i += 1
+ *         nt_i = 0             # <<<<<<<<<<<<<<
+ *         off = e_i
+ *         i = 0
+ */
+  __Pyx_INCREF(__pyx_int_0);
+  __Pyx_DECREF(__pyx_v_nt_i);
+  __pyx_v_nt_i = __pyx_int_0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2094
+ *             i += 1
+ *         nt_i = 0
+ *         off = e_i             # <<<<<<<<<<<<<<
+ *         i = 0
+ *         while i < links_len:
+ */
+  __Pyx_INCREF(__pyx_v_e_i);
+  __Pyx_DECREF(__pyx_v_off);
+  __pyx_v_off = __pyx_v_e_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2095
+ *         nt_i = 0
+ *         off = e_i
+ *         i = 0             # <<<<<<<<<<<<<<
+ *         while i < links_len:
+ *             while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:
+ */
+  __Pyx_INCREF(__pyx_int_0);
+  __Pyx_DECREF(__pyx_v_i);
+  __pyx_v_i = __pyx_int_0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2096
+ *         off = e_i
+ *         i = 0
+ *         while i < links_len:             # <<<<<<<<<<<<<<
+ *             while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:
+ *                 off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+ */
+  while (1) {
+    __pyx_t_2 = PyObject_RichCompare(__pyx_v_i, __pyx_v_links_len, Py_LT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_14 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_14 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2096; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    if (!__pyx_t_14) break;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2097
+ *         i = 0
+ *         while i < links_len:
+ *             while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:             # <<<<<<<<<<<<<<
+ *                 off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+ *                 nt_i += 1
+ */
+    while (1) {
+      __pyx_t_2 = PyObject_RichCompare(__pyx_v_nt_i, __pyx_v_nt_len, Py_LT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_14 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      if (__pyx_t_14) {
+        __pyx_t_2 = PyObject_GetItem(__pyx_v_links_inv, __pyx_v_i); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_2, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_2 = PyObject_GetItem(__pyx_v_nt_inv, __pyx_v_nt_i); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_2, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_2 = PyObject_RichCompare(__pyx_t_3, __pyx_t_1, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+        __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2097; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_13 = __pyx_t_7;
+      } else {
+        __pyx_t_13 = __pyx_t_14;
+      }
+      if (!__pyx_t_13) break;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2098
+ *         while i < links_len:
+ *             while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:
+ *                 off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])             # <<<<<<<<<<<<<<
+ *                 nt_i += 1
+ *             links_inv[i][1] -= off
+ */
+      __pyx_t_2 = PyObject_GetItem(__pyx_v_nt_inv, __pyx_v_nt_i); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_t_2, 4, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyObject_GetItem(__pyx_v_nt_inv, __pyx_v_nt_i); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_2, 3, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_1, __pyx_t_3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_3 = PyNumber_InPlaceAdd(__pyx_v_off, __pyx_t_2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2098; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_v_off);
+      __pyx_v_off = __pyx_t_3;
+      __pyx_t_3 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2099
+ *             while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:
+ *                 off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+ *                 nt_i += 1             # <<<<<<<<<<<<<<
+ *             links_inv[i][1] -= off
+ *             i += 1
+ */
+      __pyx_t_3 = PyNumber_InPlaceAdd(__pyx_v_nt_i, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2099; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_v_nt_i);
+      __pyx_v_nt_i = __pyx_t_3;
+      __pyx_t_3 = 0;
+    }
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2100
+ *                 off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+ *                 nt_i += 1
+ *             links_inv[i][1] -= off             # <<<<<<<<<<<<<<
+ *             i += 1
+ * 
+ */
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_links_inv, __pyx_v_i); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = 1;
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_3, __pyx_t_4, sizeof(Py_ssize_t), PyInt_FromSsize_t); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = PyNumber_InPlaceSubtract(__pyx_t_2, __pyx_v_off); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    if (__Pyx_SetItemInt(__pyx_t_3, __pyx_t_4, __pyx_t_1, sizeof(Py_ssize_t), PyInt_FromSsize_t) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2101
+ *                 nt_i += 1
+ *             links_inv[i][1] -= off
+ *             i += 1             # <<<<<<<<<<<<<<
+ * 
+ *         # Find lexical span
+ */
+    __pyx_t_3 = PyNumber_InPlaceAdd(__pyx_v_i, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_v_i);
+    __pyx_v_i = __pyx_t_3;
+    __pyx_t_3 = 0;
+  }
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2104
+ * 
+ *         # Find lexical span
+ *         lex_f_i = f_i             # <<<<<<<<<<<<<<
+ *         lex_f_j = f_i + (len(f_span) - 1)
+ *         if nt:
+ */
+  __Pyx_INCREF(__pyx_v_f_i);
+  __pyx_v_lex_f_i = __pyx_v_f_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2105
+ *         # Find lexical span
+ *         lex_f_i = f_i
+ *         lex_f_j = f_i + (len(f_span) - 1)             # <<<<<<<<<<<<<<
+ *         if nt:
+ *             if nt[0][1] == lex_f_i:
+ */
+  __pyx_t_4 = PyObject_Length(__pyx_v_f_span); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyInt_FromSsize_t((__pyx_t_4 - 1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_t_1 = PyNumber_Add(__pyx_v_f_i, __pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+  __pyx_v_lex_f_j = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2106
+ *         lex_f_i = f_i
+ *         lex_f_j = f_i + (len(f_span) - 1)
+ *         if nt:             # <<<<<<<<<<<<<<
+ *             if nt[0][1] == lex_f_i:
+ *                 lex_f_i += (nt[0][2] - nt[0][1]) + 1
+ */
+  __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_v_nt); if (unlikely(__pyx_t_13 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_t_13) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2107
+ *         lex_f_j = f_i + (len(f_span) - 1)
+ *         if nt:
+ *             if nt[0][1] == lex_f_i:             # <<<<<<<<<<<<<<
+ *                 lex_f_i += (nt[0][2] - nt[0][1]) + 1
+ *             if nt[-1][2] == lex_f_j:
+ */
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_RichCompare(__pyx_t_3, __pyx_v_lex_f_i, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_13 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (__pyx_t_13) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2108
+ *         if nt:
+ *             if nt[0][1] == lex_f_i:
+ *                 lex_f_i += (nt[0][2] - nt[0][1]) + 1             # <<<<<<<<<<<<<<
+ *             if nt[-1][2] == lex_f_j:
+ *                 lex_f_j -= (nt[-1][2] - nt[-1][1]) + 1
+ */
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_Subtract(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_lex_f_i, __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_v_lex_f_i);
+      __pyx_v_lex_f_i = __pyx_t_1;
+      __pyx_t_1 = 0;
+      goto __pyx_L24;
+    }
+    __pyx_L24:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2109
+ *             if nt[0][1] == lex_f_i:
+ *                 lex_f_i += (nt[0][2] - nt[0][1]) + 1
+ *             if nt[-1][2] == lex_f_j:             # <<<<<<<<<<<<<<
+ *                 lex_f_j -= (nt[-1][2] - nt[-1][1]) + 1
+ * 
+ */
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_RichCompare(__pyx_t_2, __pyx_v_lex_f_j, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_13 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_13 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (__pyx_t_13) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2110
+ *                 lex_f_i += (nt[0][2] - nt[0][1]) + 1
+ *             if nt[-1][2] == lex_f_j:
+ *                 lex_f_j -= (nt[-1][2] - nt[-1][1]) + 1             # <<<<<<<<<<<<<<
+ * 
+ *         # Create rule (f_phrase, e_phrase, links, f_link_min, f_link_max)
+ */
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = __Pyx_GetItemInt(__pyx_t_1, 2, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_nt, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_t_1, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_Subtract(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_3 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = PyNumber_InPlaceSubtract(__pyx_v_lex_f_j, __pyx_t_3); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __Pyx_DECREF(__pyx_v_lex_f_j);
+      __pyx_v_lex_f_j = __pyx_t_1;
+      __pyx_t_1 = 0;
+      goto __pyx_L25;
+    }
+    __pyx_L25:;
+    goto __pyx_L23;
+  }
+  __pyx_L23:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2113
+ * 
+ *         # Create rule (f_phrase, e_phrase, links, f_link_min, f_link_max)
+ *         f = Phrase(f_sym)             # <<<<<<<<<<<<<<
+ *         e = Phrase(e_sym)
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)
+ */
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(((PyObject *)__pyx_v_f_sym));
+  PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_f_sym));
+  __Pyx_GIVEREF(((PyObject *)__pyx_v_f_sym));
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2113; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __pyx_v_f = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_3);
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2114
+ *         # Create rule (f_phrase, e_phrase, links, f_link_min, f_link_max)
+ *         f = Phrase(f_sym)
+ *         e = Phrase(e_sym)             # <<<<<<<<<<<<<<
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)
+ *         return (f, e, a, lex_f_i, lex_f_j)
+ */
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(((PyObject *)__pyx_v_e_sym));
+  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_v_e_sym));
+  __Pyx_GIVEREF(((PyObject *)__pyx_v_e_sym));
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_v_e = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2115
+ *         f = Phrase(f_sym)
+ *         e = Phrase(e_sym)
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)             # <<<<<<<<<<<<<<
+ *         return (f, e, a, lex_f_i, lex_f_j)
+ * 
+ */
+  __pyx_t_1 = __pyx_pf_3_sa_23HieroCachingRuleFactory_9form_rule_2genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)(&PyTuple_Type))), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_v_a = ((PyObject*)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2116
+ *         e = Phrase(e_sym)
+ *         a = tuple(self.alignment.link(i, j) for (i, j) in links)
+ *         return (f, e, a, lex_f_i, lex_f_j)             # <<<<<<<<<<<<<<
+ * 
+ *     # Rule string from rule
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyTuple_New(5); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_INCREF(((PyObject *)__pyx_v_f));
+  PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_f));
+  __Pyx_GIVEREF(((PyObject *)__pyx_v_f));
+  __Pyx_INCREF(((PyObject *)__pyx_v_e));
+  PyTuple_SET_ITEM(__pyx_t_1, 1, ((PyObject *)__pyx_v_e));
+  __Pyx_GIVEREF(((PyObject *)__pyx_v_e));
+  __Pyx_INCREF(((PyObject *)__pyx_v_a));
+  PyTuple_SET_ITEM(__pyx_t_1, 2, ((PyObject *)__pyx_v_a));
+  __Pyx_GIVEREF(((PyObject *)__pyx_v_a));
+  __Pyx_INCREF(__pyx_v_lex_f_i);
+  PyTuple_SET_ITEM(__pyx_t_1, 3, __pyx_v_lex_f_i);
+  __Pyx_GIVEREF(__pyx_v_lex_f_i);
+  __Pyx_INCREF(__pyx_v_lex_f_j);
+  PyTuple_SET_ITEM(__pyx_t_1, 4, __pyx_v_lex_f_j);
+  __Pyx_GIVEREF(__pyx_v_lex_f_j);
+  __pyx_r = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_XDECREF(__pyx_t_12);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.form_rule", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_nt_inv);
+  __Pyx_XDECREF(__pyx_v_f_sym);
+  __Pyx_XDECREF(__pyx_v_off);
+  __Pyx_XDECREF(__pyx_v_next_nt);
+  __Pyx_XDECREF(__pyx_v_nt_len);
+  __Pyx_XDECREF(__pyx_v_i);
+  __Pyx_XDECREF(__pyx_v_e_sym);
+  __Pyx_XDECREF(__pyx_v_links_inv);
+  __Pyx_XDECREF(__pyx_v_links_len);
+  __Pyx_XDECREF(__pyx_v_nt_i);
+  __Pyx_XDECREF(__pyx_v_lex_f_i);
+  __Pyx_XDECREF(__pyx_v_lex_f_j);
+  __Pyx_XDECREF((PyObject *)__pyx_v_f);
+  __Pyx_XDECREF((PyObject *)__pyx_v_e);
+  __Pyx_XDECREF(__pyx_v_a);
+  __Pyx_XDECREF(__pyx_v_sub);
+  __Pyx_XDECREF(__pyx_v_link);
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_30fmt_rule(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_30fmt_rule(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f = 0;
+  PyObject *__pyx_v_e = 0;
+  PyObject *__pyx_v_a = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("fmt_rule (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f,&__pyx_n_s__e,&__pyx_n_s__a,0};
+    PyObject* values[3] = {0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("fmt_rule", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2119; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__a)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("fmt_rule", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2119; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "fmt_rule") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2119; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+    }
+    __pyx_v_f = values[0];
+    __pyx_v_e = values[1];
+    __pyx_v_a = values[2];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("fmt_rule", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2119; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.fmt_rule", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_29fmt_rule(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_f, __pyx_v_e, __pyx_v_a);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_8fmt_rule_2generator16(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2120
+ *     # Rule string from rule
+ *     def fmt_rule(self, f, e, a):
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)             # <<<<<<<<<<<<<<
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+ * 
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8fmt_rule_genexpr(PyObject *__pyx_self) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *__pyx_cur_scope;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("genexpr", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_25_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_25_genexpr, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *) __pyx_self;
+  __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
+  {
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_23HieroCachingRuleFactory_8fmt_rule_2generator16, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_cur_scope);
+    __Pyx_RefNannyFinishContext();
+    return (PyObject *) gen;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.fmt_rule.genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_8fmt_rule_2generator16(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+{
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)__pyx_generator->closure);
+  PyObject *__pyx_r = NULL;
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  PyObject *__pyx_t_6 = NULL;
+  PyObject *__pyx_t_7 = NULL;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("None", 0);
+  switch (__pyx_generator->resume_label) {
+    case 0: goto __pyx_L3_first_run;
+    case 1: goto __pyx_L6_resume_from_yield;
+    default: /* CPython raises the right error here */
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __pyx_L3_first_run:;
+  if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_a)) { __Pyx_RaiseClosureNameError("a"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  if (PyList_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_a) || PyTuple_CheckExact(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_a)) {
+    __pyx_t_1 = __pyx_cur_scope->__pyx_outer_scope->__pyx_v_a; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_cur_scope->__pyx_outer_scope->__pyx_v_a); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_packed);
+    __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_packed);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_cur_scope->__pyx_v_packed = __pyx_t_4;
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_kp_s_138), __pyx_n_s__format); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (unlikely(!__pyx_cur_scope->__pyx_outer_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_5 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_outer_scope->__pyx_v_self->alignment), __pyx_n_s__unlink); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_packed);
+    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_cur_scope->__pyx_v_packed);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_packed);
+    __pyx_t_7 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+    __pyx_t_6 = PySequence_Tuple(__pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(((PyObject *)__pyx_t_6));
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __pyx_t_7 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+    __pyx_r = __pyx_t_7;
+    __pyx_t_7 = 0;
+    __Pyx_XGIVEREF(__pyx_t_1);
+    __pyx_cur_scope->__pyx_t_0 = __pyx_t_1;
+    __pyx_cur_scope->__pyx_t_1 = __pyx_t_2;
+    __pyx_cur_scope->__pyx_t_2 = __pyx_t_3;
+    __Pyx_XGIVEREF(__pyx_r);
+    __Pyx_RefNannyFinishContext();
+    /* return from generator, yielding value */
+    __pyx_generator->resume_label = 1;
+    return __pyx_r;
+    __pyx_L6_resume_from_yield:;
+    __pyx_t_1 = __pyx_cur_scope->__pyx_t_0;
+    __pyx_cur_scope->__pyx_t_0 = 0;
+    __Pyx_XGOTREF(__pyx_t_1);
+    __pyx_t_2 = __pyx_cur_scope->__pyx_t_1;
+    __pyx_t_3 = __pyx_cur_scope->__pyx_t_2;
+    if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  PyErr_SetNone(PyExc_StopIteration);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_AddTraceback("genexpr", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2119
+ * 
+ *     # Rule string from rule
+ *     def fmt_rule(self, f, e, a):             # <<<<<<<<<<<<<<
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_29fmt_rule(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f, PyObject *__pyx_v_e, PyObject *__pyx_v_a) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *__pyx_cur_scope;
+  PyObject *__pyx_v_a_str = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("fmt_rule", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)__pyx_ptype_3_sa___pyx_scope_struct_24_fmt_rule->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_24_fmt_rule, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
+  __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __pyx_cur_scope->__pyx_v_a = __pyx_v_a;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_a);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_a);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2120
+ *     # Rule string from rule
+ *     def fmt_rule(self, f, e, a):
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)             # <<<<<<<<<<<<<<
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+ * 
+ */
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_kp_s_67), __pyx_n_s__join); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = __pyx_pf_3_sa_23HieroCachingRuleFactory_8fmt_rule_genexpr(((PyObject*)__pyx_cur_scope)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
+  __Pyx_GIVEREF(__pyx_t_2);
+  __pyx_t_2 = 0;
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_v_a_str = __pyx_t_2;
+  __pyx_t_2 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2121
+ *     def fmt_rule(self, f, e, a):
+ *         a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)
+ *         return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)             # <<<<<<<<<<<<<<
+ * 
+ *     # Debugging
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_kp_s_139), __pyx_n_s__format); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_3 = PyTuple_New(3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(__pyx_v_f);
+  PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_v_f);
+  __Pyx_GIVEREF(__pyx_v_f);
+  __Pyx_INCREF(__pyx_v_e);
+  PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_v_e);
+  __Pyx_GIVEREF(__pyx_v_e);
+  __Pyx_INCREF(__pyx_v_a_str);
+  PyTuple_SET_ITEM(__pyx_t_3, 2, __pyx_v_a_str);
+  __Pyx_GIVEREF(__pyx_v_a_str);
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.fmt_rule", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_a_str);
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_32dump_online_stats(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_32dump_online_stats(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("dump_online_stats (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_31dump_online_stats(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2124
+ * 
+ *     # Debugging
+ *     def dump_online_stats(self):             # <<<<<<<<<<<<<<
+ *         logger.info('------------------------------')
+ *         logger.info('         Online Stats         ')
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_31dump_online_stats(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self) {
+  PyObject *__pyx_v_w = NULL;
+  PyObject *__pyx_v_w2 = NULL;
+  PyObject *__pyx_v_ph = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  Py_ssize_t __pyx_t_3;
+  PyObject *(*__pyx_t_4)(PyObject *);
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_t_6;
+  PyObject *__pyx_t_7 = NULL;
+  PyObject *__pyx_t_8 = NULL;
+  Py_ssize_t __pyx_t_9;
+  PyObject *(*__pyx_t_10)(PyObject *);
+  PyObject *__pyx_t_11 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("dump_online_stats", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2125
+ *     # Debugging
+ *     def dump_online_stats(self):
+ *         logger.info('------------------------------')             # <<<<<<<<<<<<<<
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_141), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2126
+ *     def dump_online_stats(self):
+ *         logger.info('------------------------------')
+ *         logger.info('         Online Stats         ')             # <<<<<<<<<<<<<<
+ *         logger.info('------------------------------')
+ *         logger.info('f')
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_143), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2127
+ *         logger.info('------------------------------')
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')             # <<<<<<<<<<<<<<
+ *         logger.info('f')
+ *         for w in self.bilex_f:
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_144), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2128
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')
+ *         logger.info('f')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_f:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_145), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2129
+ *         logger.info('------------------------------')
+ *         logger.info('f')
+ *         for w in self.bilex_f:             # <<<<<<<<<<<<<<
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ *         logger.info('e')
+ */
+  if (PyList_CheckExact(__pyx_v_self->bilex_f) || PyTuple_CheckExact(__pyx_v_self->bilex_f)) {
+    __pyx_t_1 = __pyx_v_self->bilex_f; __Pyx_INCREF(__pyx_t_1); __pyx_t_3 = 0;
+    __pyx_t_4 = NULL;
+  } else {
+    __pyx_t_3 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->bilex_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_2 = __pyx_t_4(__pyx_t_1);
+      if (unlikely(!__pyx_t_2)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_2);
+    }
+    __Pyx_XDECREF(__pyx_v_w);
+    __pyx_v_w = __pyx_t_2;
+    __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2130
+ *         logger.info('f')
+ *         for w in self.bilex_f:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))             # <<<<<<<<<<<<<<
+ *         logger.info('e')
+ *         for w in self.bilex_e:
+ */
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_5 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_w); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_6)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(((PyObject *)__pyx_t_2));
+    __pyx_t_7 = PyNumber_Add(((PyObject *)__pyx_t_2), ((PyObject *)__pyx_kp_s_146)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_t_2 = PyObject_GetItem(__pyx_v_self->bilex_f, __pyx_v_w); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_2);
+    __Pyx_GIVEREF(__pyx_t_2);
+    __pyx_t_2 = 0;
+    __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+    __pyx_t_8 = PyNumber_Add(__pyx_t_7, __pyx_t_2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_8);
+    __Pyx_GIVEREF(__pyx_t_8);
+    __pyx_t_8 = 0;
+    __pyx_t_8 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2131
+ *         for w in self.bilex_f:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ *         logger.info('e')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_e:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_8 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_k_tuple_147), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2132
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ *         logger.info('e')
+ *         for w in self.bilex_e:             # <<<<<<<<<<<<<<
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ *         logger.info('fe')
+ */
+  if (PyList_CheckExact(__pyx_v_self->bilex_e) || PyTuple_CheckExact(__pyx_v_self->bilex_e)) {
+    __pyx_t_1 = __pyx_v_self->bilex_e; __Pyx_INCREF(__pyx_t_1); __pyx_t_3 = 0;
+    __pyx_t_4 = NULL;
+  } else {
+    __pyx_t_3 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->bilex_e); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_8 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_8); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_8 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_8 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_8); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_8 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_8 = __pyx_t_4(__pyx_t_1);
+      if (unlikely(!__pyx_t_8)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_8);
+    }
+    __Pyx_XDECREF(__pyx_v_w);
+    __pyx_v_w = __pyx_t_8;
+    __pyx_t_8 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2133
+ *         logger.info('e')
+ *         for w in self.bilex_e:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))             # <<<<<<<<<<<<<<
+ *         logger.info('fe')
+ *         for w in self.bilex_fe:
+ */
+    __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_2 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_w); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_6)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+    __pyx_t_5 = PyNumber_Add(((PyObject *)__pyx_t_8), ((PyObject *)__pyx_kp_s_146)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+    __pyx_t_8 = PyObject_GetItem(__pyx_v_self->bilex_e, __pyx_v_w); if (!__pyx_t_8) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_7 = PyTuple_New(1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    PyTuple_SET_ITEM(__pyx_t_7, 0, __pyx_t_8);
+    __Pyx_GIVEREF(__pyx_t_8);
+    __pyx_t_8 = 0;
+    __pyx_t_8 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
+    __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_t_8); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_7);
+    __Pyx_GIVEREF(__pyx_t_7);
+    __pyx_t_7 = 0;
+    __pyx_t_7 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2133; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2134
+ *         for w in self.bilex_e:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ *         logger.info('fe')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_fe:
+ *             for w2 in self.bilex_fe[w]:
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_7 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_7);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_7, ((PyObject *)__pyx_k_tuple_148), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2135
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ *         logger.info('fe')
+ *         for w in self.bilex_fe:             # <<<<<<<<<<<<<<
+ *             for w2 in self.bilex_fe[w]:
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+ */
+  if (PyList_CheckExact(__pyx_v_self->bilex_fe) || PyTuple_CheckExact(__pyx_v_self->bilex_fe)) {
+    __pyx_t_1 = __pyx_v_self->bilex_fe; __Pyx_INCREF(__pyx_t_1); __pyx_t_3 = 0;
+    __pyx_t_4 = NULL;
+  } else {
+    __pyx_t_3 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->bilex_fe); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_7); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_7); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_7 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_7 = __pyx_t_4(__pyx_t_1);
+      if (unlikely(!__pyx_t_7)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2135; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_7);
+    }
+    __Pyx_XDECREF(__pyx_v_w);
+    __pyx_v_w = __pyx_t_7;
+    __pyx_t_7 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2136
+ *         logger.info('fe')
+ *         for w in self.bilex_fe:
+ *             for w2 in self.bilex_fe[w]:             # <<<<<<<<<<<<<<
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+ *         logger.info('F')
+ */
+    __pyx_t_7 = PyObject_GetItem(__pyx_v_self->bilex_fe, __pyx_v_w); if (!__pyx_t_7) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_7);
+    if (PyList_CheckExact(__pyx_t_7) || PyTuple_CheckExact(__pyx_t_7)) {
+      __pyx_t_8 = __pyx_t_7; __Pyx_INCREF(__pyx_t_8); __pyx_t_9 = 0;
+      __pyx_t_10 = NULL;
+    } else {
+      __pyx_t_9 = -1; __pyx_t_8 = PyObject_GetIter(__pyx_t_7); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __pyx_t_10 = Py_TYPE(__pyx_t_8)->tp_iternext;
+    }
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    for (;;) {
+      if (!__pyx_t_10 && PyList_CheckExact(__pyx_t_8)) {
+        if (__pyx_t_9 >= PyList_GET_SIZE(__pyx_t_8)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_7 = PyList_GET_ITEM(__pyx_t_8, __pyx_t_9); __Pyx_INCREF(__pyx_t_7); __pyx_t_9++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_7 = PySequence_ITEM(__pyx_t_8, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_10 && PyTuple_CheckExact(__pyx_t_8)) {
+        if (__pyx_t_9 >= PyTuple_GET_SIZE(__pyx_t_8)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_7 = PyTuple_GET_ITEM(__pyx_t_8, __pyx_t_9); __Pyx_INCREF(__pyx_t_7); __pyx_t_9++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_7 = PySequence_ITEM(__pyx_t_8, __pyx_t_9); __pyx_t_9++; if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_7 = __pyx_t_10(__pyx_t_8);
+        if (unlikely(!__pyx_t_7)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2136; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_7);
+      }
+      __Pyx_XDECREF(__pyx_v_w2);
+      __pyx_v_w2 = __pyx_t_7;
+      __pyx_t_7 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2137
+ *         for w in self.bilex_fe:
+ *             for w2 in self.bilex_fe[w]:
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))             # <<<<<<<<<<<<<<
+ *         logger.info('F')
+ *         for ph in self.phrases_f:
+ */
+      __pyx_t_7 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __pyx_t_2 = PyObject_GetAttr(__pyx_t_7, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_w); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_6)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_7));
+      __pyx_t_5 = PyNumber_Add(((PyObject *)__pyx_t_7), ((PyObject *)__pyx_kp_s_146)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
+      __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_w2); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_6)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(((PyObject *)__pyx_t_7));
+      __pyx_t_11 = PyNumber_Add(__pyx_t_5, ((PyObject *)__pyx_t_7)); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
+      __pyx_t_7 = PyNumber_Add(__pyx_t_11, ((PyObject *)__pyx_kp_s_146)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_7);
+      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+      __pyx_t_11 = PyObject_GetItem(__pyx_v_self->bilex_fe, __pyx_v_w); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      __pyx_t_5 = PyObject_GetItem(__pyx_t_11, __pyx_v_w2); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+      __pyx_t_11 = PyTuple_New(1); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_5);
+      __Pyx_GIVEREF(__pyx_t_5);
+      __pyx_t_5 = 0;
+      __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+      __pyx_t_11 = PyNumber_Add(__pyx_t_7, __pyx_t_5); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_11);
+      __Pyx_GIVEREF(__pyx_t_11);
+      __pyx_t_11 = 0;
+      __pyx_t_11 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+      __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+    }
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2138
+ *             for w2 in self.bilex_fe[w]:
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+ *         logger.info('F')             # <<<<<<<<<<<<<<
+ *         for ph in self.phrases_f:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_8 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_k_tuple_149), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2139
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+ *         logger.info('F')
+ *         for ph in self.phrases_f:             # <<<<<<<<<<<<<<
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ *         logger.info('E')
+ */
+  if (PyList_CheckExact(__pyx_v_self->phrases_f) || PyTuple_CheckExact(__pyx_v_self->phrases_f)) {
+    __pyx_t_1 = __pyx_v_self->phrases_f; __Pyx_INCREF(__pyx_t_1); __pyx_t_3 = 0;
+    __pyx_t_4 = NULL;
+  } else {
+    __pyx_t_3 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->phrases_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_8 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_8); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_8 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_8 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_8); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_8 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_8 = __pyx_t_4(__pyx_t_1);
+      if (unlikely(!__pyx_t_8)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_8);
+    }
+    __Pyx_XDECREF(__pyx_v_ph);
+    __pyx_v_ph = __pyx_t_8;
+    __pyx_t_8 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2140
+ *         logger.info('F')
+ *         for ph in self.phrases_f:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))             # <<<<<<<<<<<<<<
+ *         logger.info('E')
+ *         for ph in self.phrases_e:
+ */
+    __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_11 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__info); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_INCREF(__pyx_v_ph);
+    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_v_ph);
+    __Pyx_GIVEREF(__pyx_v_ph);
+    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+    __pyx_t_8 = PyNumber_Add(__pyx_t_5, ((PyObject *)__pyx_kp_s_18)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_GetItem(__pyx_v_self->phrases_f, __pyx_v_ph); if (!__pyx_t_5) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_5);
+    __Pyx_GIVEREF(__pyx_t_5);
+    __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_t_2 = PyNumber_Add(__pyx_t_8, __pyx_t_5); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_2);
+    __Pyx_GIVEREF(__pyx_t_2);
+    __pyx_t_2 = 0;
+    __pyx_t_2 = PyObject_Call(__pyx_t_11, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2140; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2141
+ *         for ph in self.phrases_f:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ *         logger.info('E')             # <<<<<<<<<<<<<<
+ *         for ph in self.phrases_e:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_150), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2142
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ *         logger.info('E')
+ *         for ph in self.phrases_e:             # <<<<<<<<<<<<<<
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ *         logger.info('FE')
+ */
+  if (PyList_CheckExact(__pyx_v_self->phrases_e) || PyTuple_CheckExact(__pyx_v_self->phrases_e)) {
+    __pyx_t_1 = __pyx_v_self->phrases_e; __Pyx_INCREF(__pyx_t_1); __pyx_t_3 = 0;
+    __pyx_t_4 = NULL;
+  } else {
+    __pyx_t_3 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->phrases_e); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_3 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_2 = __pyx_t_4(__pyx_t_1);
+      if (unlikely(!__pyx_t_2)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_2);
+    }
+    __Pyx_XDECREF(__pyx_v_ph);
+    __pyx_v_ph = __pyx_t_2;
+    __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2143
+ *         logger.info('E')
+ *         for ph in self.phrases_e:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))             # <<<<<<<<<<<<<<
+ *         logger.info('FE')
+ *         self.dump_online_rules()
+ */
+    __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_5 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__info); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_ph);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_ph);
+    __Pyx_GIVEREF(__pyx_v_ph);
+    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_t_2 = PyNumber_Add(__pyx_t_11, ((PyObject *)__pyx_kp_s_18)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+    __pyx_t_11 = PyObject_GetItem(__pyx_v_self->phrases_e, __pyx_v_ph); if (!__pyx_t_11) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_11);
+    __Pyx_GIVEREF(__pyx_t_11);
+    __pyx_t_11 = 0;
+    __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
+    __pyx_t_8 = PyNumber_Add(__pyx_t_2, __pyx_t_11); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_11); __pyx_t_11 = 0;
+    __pyx_t_11 = PyTuple_New(1); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_t_8);
+    __Pyx_GIVEREF(__pyx_t_8);
+    __pyx_t_8 = 0;
+    __pyx_t_8 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2143; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2144
+ *         for ph in self.phrases_e:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ *         logger.info('FE')             # <<<<<<<<<<<<<<
+ *         self.dump_online_rules()
+ * 
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_8 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_k_tuple_151), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2145
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ *         logger.info('FE')
+ *         self.dump_online_rules()             # <<<<<<<<<<<<<<
+ * 
+ *     def dump_online_rules(self):
+ */
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__dump_online_rules); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_8 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2145; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_8);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_XDECREF(__pyx_t_11);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.dump_online_stats", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_w);
+  __Pyx_XDECREF(__pyx_v_w2);
+  __Pyx_XDECREF(__pyx_v_ph);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_34dump_online_rules(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_34dump_online_rules(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("dump_online_rules (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_33dump_online_rules(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2147
+ *         self.dump_online_rules()
+ * 
+ *     def dump_online_rules(self):             # <<<<<<<<<<<<<<
+ *         for ph in self.phrases_fe:
+ *             for ph2 in self.phrases_fe[ph]:
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_33dump_online_rules(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self) {
+  PyObject *__pyx_v_ph = NULL;
+  PyObject *__pyx_v_ph2 = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  PyObject *(*__pyx_t_3)(PyObject *);
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  Py_ssize_t __pyx_t_6;
+  PyObject *(*__pyx_t_7)(PyObject *);
+  PyObject *__pyx_t_8 = NULL;
+  PyObject *__pyx_t_9 = NULL;
+  PyObject *__pyx_t_10 = NULL;
+  PyObject *__pyx_t_11 = NULL;
+  PyObject *__pyx_t_12 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("dump_online_rules", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2148
+ * 
+ *     def dump_online_rules(self):
+ *         for ph in self.phrases_fe:             # <<<<<<<<<<<<<<
+ *             for ph2 in self.phrases_fe[ph]:
+ *                 logger.info(self.fmt_rule(str(ph), str(ph2), self.phrases_al[ph][ph2]) + ' ||| ' + str(self.phrases_fe[ph][ph2]))
+ */
+  if (PyList_CheckExact(__pyx_v_self->phrases_fe) || PyTuple_CheckExact(__pyx_v_self->phrases_fe)) {
+    __pyx_t_1 = __pyx_v_self->phrases_fe; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+    __pyx_t_3 = NULL;
+  } else {
+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_self->phrases_fe); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_3 = Py_TYPE(__pyx_t_1)->tp_iternext;
+  }
+  for (;;) {
+    if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
+      if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
+    } else {
+      __pyx_t_4 = __pyx_t_3(__pyx_t_1);
+      if (unlikely(!__pyx_t_4)) {
+        if (PyErr_Occurred()) {
+          if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        break;
+      }
+      __Pyx_GOTREF(__pyx_t_4);
+    }
+    __Pyx_XDECREF(__pyx_v_ph);
+    __pyx_v_ph = __pyx_t_4;
+    __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2149
+ *     def dump_online_rules(self):
+ *         for ph in self.phrases_fe:
+ *             for ph2 in self.phrases_fe[ph]:             # <<<<<<<<<<<<<<
+ *                 logger.info(self.fmt_rule(str(ph), str(ph2), self.phrases_al[ph][ph2]) + ' ||| ' + str(self.phrases_fe[ph][ph2]))
+ * 
+ */
+    __pyx_t_4 = PyObject_GetItem(__pyx_v_self->phrases_fe, __pyx_v_ph); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    if (PyList_CheckExact(__pyx_t_4) || PyTuple_CheckExact(__pyx_t_4)) {
+      __pyx_t_5 = __pyx_t_4; __Pyx_INCREF(__pyx_t_5); __pyx_t_6 = 0;
+      __pyx_t_7 = NULL;
+    } else {
+      __pyx_t_6 = -1; __pyx_t_5 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __pyx_t_7 = Py_TYPE(__pyx_t_5)->tp_iternext;
+    }
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    for (;;) {
+      if (!__pyx_t_7 && PyList_CheckExact(__pyx_t_5)) {
+        if (__pyx_t_6 >= PyList_GET_SIZE(__pyx_t_5)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_6); __Pyx_INCREF(__pyx_t_4); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_5, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else if (!__pyx_t_7 && PyTuple_CheckExact(__pyx_t_5)) {
+        if (__pyx_t_6 >= PyTuple_GET_SIZE(__pyx_t_5)) break;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_5, __pyx_t_6); __Pyx_INCREF(__pyx_t_4); __pyx_t_6++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #else
+        __pyx_t_4 = PySequence_ITEM(__pyx_t_5, __pyx_t_6); __pyx_t_6++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
+      } else {
+        __pyx_t_4 = __pyx_t_7(__pyx_t_5);
+        if (unlikely(!__pyx_t_4)) {
+          if (PyErr_Occurred()) {
+            if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
+            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2149; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          }
+          break;
+        }
+        __Pyx_GOTREF(__pyx_t_4);
+      }
+      __Pyx_XDECREF(__pyx_v_ph2);
+      __pyx_v_ph2 = __pyx_t_4;
+      __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2150
+ *         for ph in self.phrases_fe:
+ *             for ph2 in self.phrases_fe[ph]:
+ *                 logger.info(self.fmt_rule(str(ph), str(ph2), self.phrases_al[ph][ph2]) + ' ||| ' + str(self.phrases_fe[ph][ph2]))             # <<<<<<<<<<<<<<
+ * 
+ *     # Lookup online stats for phrase pair (f, e).  Return None if no match.
+ */
+      __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_8 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__info); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_GetAttr(((PyObject *)__pyx_v_self), __pyx_n_s__fmt_rule); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_9);
+      __Pyx_INCREF(__pyx_v_ph);
+      PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_v_ph);
+      __Pyx_GIVEREF(__pyx_v_ph);
+      __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_10);
+      __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
+      __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_9);
+      __Pyx_INCREF(__pyx_v_ph2);
+      PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_v_ph2);
+      __Pyx_GIVEREF(__pyx_v_ph2);
+      __pyx_t_11 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_11);
+      __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
+      __pyx_t_9 = PyObject_GetItem(__pyx_v_self->phrases_al, __pyx_v_ph); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_9);
+      __pyx_t_12 = PyObject_GetItem(__pyx_t_9, __pyx_v_ph2); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+      __pyx_t_9 = PyTuple_New(3); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_9);
+      PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_10);
+      __Pyx_GIVEREF(__pyx_t_10);
+      PyTuple_SET_ITEM(__pyx_t_9, 1, __pyx_t_11);
+      __Pyx_GIVEREF(__pyx_t_11);
+      PyTuple_SET_ITEM(__pyx_t_9, 2, __pyx_t_12);
+      __Pyx_GIVEREF(__pyx_t_12);
+      __pyx_t_10 = 0;
+      __pyx_t_11 = 0;
+      __pyx_t_12 = 0;
+      __pyx_t_12 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
+      __pyx_t_9 = PyNumber_Add(__pyx_t_12, ((PyObject *)__pyx_kp_s_18)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_9);
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+      __pyx_t_12 = PyObject_GetItem(__pyx_v_self->phrases_fe, __pyx_v_ph); if (!__pyx_t_12) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __pyx_t_4 = PyObject_GetItem(__pyx_t_12, __pyx_v_ph2); if (!__pyx_t_4) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+      __pyx_t_12 = PyTuple_New(1); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      PyTuple_SET_ITEM(__pyx_t_12, 0, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)(&PyString_Type))), ((PyObject *)__pyx_t_12), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
+      __pyx_t_12 = PyNumber_Add(__pyx_t_9, __pyx_t_4); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_12);
+      __Pyx_GIVEREF(__pyx_t_12);
+      __pyx_t_12 = 0;
+      __pyx_t_12 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_12);
+      __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
+    }
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_8);
+  __Pyx_XDECREF(__pyx_t_9);
+  __Pyx_XDECREF(__pyx_t_10);
+  __Pyx_XDECREF(__pyx_t_11);
+  __Pyx_XDECREF(__pyx_t_12);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.dump_online_rules", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_ph);
+  __Pyx_XDECREF(__pyx_v_ph2);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_36online_ctx_lookup(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_36online_ctx_lookup(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f = 0;
+  PyObject *__pyx_v_e = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("online_ctx_lookup (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f,&__pyx_n_s__e,0};
+    PyObject* values[2] = {0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("online_ctx_lookup", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2154; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "online_ctx_lookup") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2154; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 2) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+    }
+    __pyx_v_f = values[0];
+    __pyx_v_e = values[1];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("online_ctx_lookup", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2154; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.online_ctx_lookup", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_35online_ctx_lookup(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_f, __pyx_v_e);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2154
+ *     # Lookup online stats for phrase pair (f, e).  Return None if no match.
+ *     # IMPORTANT: use get() to avoid adding items to defaultdict
+ *     def online_ctx_lookup(self, f, e):             # <<<<<<<<<<<<<<
+ *         if self.online:
+ *             fcount = self.phrases_f.get(f, 0)
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_35online_ctx_lookup(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f, PyObject *__pyx_v_e) {
+  PyObject *__pyx_v_fcount = NULL;
+  PyObject *__pyx_v_fsample_count = NULL;
+  PyObject *__pyx_v_d = NULL;
+  PyObject *__pyx_v_paircount = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  PyObject *__pyx_t_3 = NULL;
+  int __pyx_t_4;
+  PyObject *__pyx_t_5 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("online_ctx_lookup", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2155
+ *     # IMPORTANT: use get() to avoid adding items to defaultdict
+ *     def online_ctx_lookup(self, f, e):
+ *         if self.online:             # <<<<<<<<<<<<<<
+ *             fcount = self.phrases_f.get(f, 0)
+ *             fsample_count = self.samples_f.get(f, 0)
+ */
+  if (__pyx_v_self->online) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2156
+ *     def online_ctx_lookup(self, f, e):
+ *         if self.online:
+ *             fcount = self.phrases_f.get(f, 0)             # <<<<<<<<<<<<<<
+ *             fsample_count = self.samples_f.get(f, 0)
+ *             d = self.phrases_fe.get(f, None)
+ */
+    __pyx_t_1 = PyObject_GetAttr(__pyx_v_self->phrases_f, __pyx_n_s__get); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_f);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f);
+    __Pyx_GIVEREF(__pyx_v_f);
+    __Pyx_INCREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_int_0);
+    __Pyx_GIVEREF(__pyx_int_0);
+    __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_v_fcount = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2157
+ *         if self.online:
+ *             fcount = self.phrases_f.get(f, 0)
+ *             fsample_count = self.samples_f.get(f, 0)             # <<<<<<<<<<<<<<
+ *             d = self.phrases_fe.get(f, None)
+ *             paircount = d.get(e, 0) if d else 0
+ */
+    __pyx_t_3 = PyObject_GetAttr(__pyx_v_self->samples_f, __pyx_n_s__get); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_f);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f);
+    __Pyx_GIVEREF(__pyx_v_f);
+    __Pyx_INCREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_int_0);
+    __Pyx_GIVEREF(__pyx_int_0);
+    __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_v_fsample_count = __pyx_t_1;
+    __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2158
+ *             fcount = self.phrases_f.get(f, 0)
+ *             fsample_count = self.samples_f.get(f, 0)
+ *             d = self.phrases_fe.get(f, None)             # <<<<<<<<<<<<<<
+ *             paircount = d.get(e, 0) if d else 0
+ *             return OnlineFeatureContext(fcount, fsample_count, paircount, self.bilex_f, self.bilex_e, self.bilex_fe)
+ */
+    __pyx_t_1 = PyObject_GetAttr(__pyx_v_self->phrases_fe, __pyx_n_s__get); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2158; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2158; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_f);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f);
+    __Pyx_GIVEREF(__pyx_v_f);
+    __Pyx_INCREF(Py_None);
+    PyTuple_SET_ITEM(__pyx_t_2, 1, Py_None);
+    __Pyx_GIVEREF(Py_None);
+    __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2158; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_v_d = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2159
+ *             fsample_count = self.samples_f.get(f, 0)
+ *             d = self.phrases_fe.get(f, None)
+ *             paircount = d.get(e, 0) if d else 0             # <<<<<<<<<<<<<<
+ *             return OnlineFeatureContext(fcount, fsample_count, paircount, self.bilex_f, self.bilex_e, self.bilex_fe)
+ *         return None
+ */
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_v_d); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (__pyx_t_4) {
+      __pyx_t_2 = PyObject_GetAttr(__pyx_v_d, __pyx_n_s__get); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_1 = PyTuple_New(2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_e);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_v_e);
+      __Pyx_GIVEREF(__pyx_v_e);
+      __Pyx_INCREF(__pyx_int_0);
+      PyTuple_SET_ITEM(__pyx_t_1, 1, __pyx_int_0);
+      __Pyx_GIVEREF(__pyx_int_0);
+      __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_5);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+      __pyx_t_3 = __pyx_t_5;
+      __pyx_t_5 = 0;
+    } else {
+      __Pyx_INCREF(__pyx_int_0);
+      __pyx_t_3 = __pyx_int_0;
+    }
+    __pyx_v_paircount = __pyx_t_3;
+    __pyx_t_3 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2160
+ *             d = self.phrases_fe.get(f, None)
+ *             paircount = d.get(e, 0) if d else 0
+ *             return OnlineFeatureContext(fcount, fsample_count, paircount, self.bilex_f, self.bilex_e, self.bilex_fe)             # <<<<<<<<<<<<<<
+ *         return None
+ * 
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s_152); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_5 = PyTuple_New(6); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_INCREF(__pyx_v_fcount);
+    PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_v_fcount);
+    __Pyx_GIVEREF(__pyx_v_fcount);
+    __Pyx_INCREF(__pyx_v_fsample_count);
+    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_v_fsample_count);
+    __Pyx_GIVEREF(__pyx_v_fsample_count);
+    __Pyx_INCREF(__pyx_v_paircount);
+    PyTuple_SET_ITEM(__pyx_t_5, 2, __pyx_v_paircount);
+    __Pyx_GIVEREF(__pyx_v_paircount);
+    __Pyx_INCREF(__pyx_v_self->bilex_f);
+    PyTuple_SET_ITEM(__pyx_t_5, 3, __pyx_v_self->bilex_f);
+    __Pyx_GIVEREF(__pyx_v_self->bilex_f);
+    __Pyx_INCREF(__pyx_v_self->bilex_e);
+    PyTuple_SET_ITEM(__pyx_t_5, 4, __pyx_v_self->bilex_e);
+    __Pyx_GIVEREF(__pyx_v_self->bilex_e);
+    __Pyx_INCREF(__pyx_v_self->bilex_fe);
+    PyTuple_SET_ITEM(__pyx_t_5, 5, __pyx_v_self->bilex_fe);
+    __Pyx_GIVEREF(__pyx_v_self->bilex_fe);
+    __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+    __pyx_r = __pyx_t_1;
+    __pyx_t_1 = 0;
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2161
+ *             paircount = d.get(e, 0) if d else 0
+ *             return OnlineFeatureContext(fcount, fsample_count, paircount, self.bilex_f, self.bilex_e, self.bilex_fe)
+ *         return None             # <<<<<<<<<<<<<<
+ * 
+ *     # Find all phrases that we might try to extract
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(Py_None);
+  __pyx_r = Py_None;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.online_ctx_lookup", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_fcount);
+  __Pyx_XDECREF(__pyx_v_fsample_count);
+  __Pyx_XDECREF(__pyx_v_d);
+  __Pyx_XDECREF(__pyx_v_paircount);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_38get_f_phrases(PyObject *__pyx_v_self, PyObject *__pyx_v_f_words); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_38get_f_phrases(PyObject *__pyx_v_self, PyObject *__pyx_v_f_words) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("get_f_phrases (wrapper)", 0);
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_37get_f_phrases(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), ((PyObject *)__pyx_v_f_words));
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13get_f_phrases_1extract(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_23HieroCachingRuleFactory_13get_f_phrases_1extract = {__Pyx_NAMESTR("extract"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_13get_f_phrases_1extract, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13get_f_phrases_1extract(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_f_i = 0;
+  PyObject *__pyx_v_f_j = 0;
+  PyObject *__pyx_v_lex_i = 0;
+  PyObject *__pyx_v_lex_j = 0;
+  PyObject *__pyx_v_wc = 0;
+  PyObject *__pyx_v_ntc = 0;
+  PyObject *__pyx_v_syms = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("extract (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__f_i,&__pyx_n_s__f_j,&__pyx_n_s__lex_i,&__pyx_n_s__lex_j,&__pyx_n_s__wc,&__pyx_n_s__ntc,&__pyx_n_s__syms,0};
+    PyObject* values[7] = {0,0,0,0,0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+        case  5: values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+        case  4: values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_i)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f_j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__lex_i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  3:
+        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__lex_j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 3); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  4:
+        if (likely((values[4] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__wc)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 4); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  5:
+        if (likely((values[5] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__ntc)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 5); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  6:
+        if (likely((values[6] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__syms)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, 6); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "extract") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 7) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+      values[3] = PyTuple_GET_ITEM(__pyx_args, 3);
+      values[4] = PyTuple_GET_ITEM(__pyx_args, 4);
+      values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
+      values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+    }
+    __pyx_v_f_i = values[0];
+    __pyx_v_f_j = values[1];
+    __pyx_v_lex_i = values[2];
+    __pyx_v_lex_j = values[3];
+    __pyx_v_wc = values[4];
+    __pyx_v_ntc = values[5];
+    __pyx_v_syms = values[6];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("extract", 1, 7, 7, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_f_phrases.extract", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_13get_f_phrases_extract(__pyx_self, __pyx_v_f_i, __pyx_v_f_j, __pyx_v_lex_i, __pyx_v_lex_j, __pyx_v_wc, __pyx_v_ntc, __pyx_v_syms);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2171
+ *         phrases = set() # (fphrase, lex_i, lex_j)
+ * 
+ *         def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_13get_f_phrases_extract(PyObject *__pyx_self, PyObject *__pyx_v_f_i, PyObject *__pyx_v_f_j, PyObject *__pyx_v_lex_i, PyObject *__pyx_v_lex_j, PyObject *__pyx_v_wc, PyObject *__pyx_v_ntc, PyObject *__pyx_v_syms) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *__pyx_outer_scope;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_f = NULL;
+  PyObject *__pyx_v_new_lex_i = NULL;
+  PyObject *__pyx_v_new_lex_j = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  PyObject *__pyx_t_2 = NULL;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_t_5;
+  int __pyx_t_6;
+  PyObject *__pyx_t_7 = NULL;
+  int __pyx_t_8;
+  int __pyx_t_9;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("extract", 0);
+  __pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *) __Pyx_CyFunction_GetClosure(__pyx_self);
+  __pyx_cur_scope = __pyx_outer_scope;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2173
+ *         def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:             # <<<<<<<<<<<<<<
+ *                 return
+ *             # Extend with word
+ */
+  if (unlikely(!__pyx_cur_scope->__pyx_v_f_len)) { __Pyx_RaiseClosureNameError("f_len"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+  __pyx_t_1 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_f_len, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_RichCompare(__pyx_v_f_j, __pyx_t_1, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  if (!__pyx_t_3) {
+    __pyx_t_2 = PyNumber_Subtract(__pyx_v_f_j, __pyx_v_f_i); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_1 = PyNumber_Add(__pyx_t_2, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    if (unlikely(!__pyx_cur_scope->__pyx_v_self)) { __Pyx_RaiseClosureNameError("self"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_4 = PyObject_RichCompare(__pyx_t_1, __pyx_t_2, Py_GT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_6 = __pyx_t_5;
+  } else {
+    __pyx_t_6 = __pyx_t_3;
+  }
+  if (__pyx_t_6) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2174
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ *                 return             # <<<<<<<<<<<<<<
+ *             # Extend with word
+ *             if wc + ntc < self.max_length:
+ */
+    __Pyx_XDECREF(__pyx_r);
+    __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+    goto __pyx_L0;
+    goto __pyx_L3;
+  }
+  __pyx_L3:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2176
+ *                 return
+ *             # Extend with word
+ *             if wc + ntc < self.max_length:             # <<<<<<<<<<<<<<
+ *                 syms.append(f_words[f_j])
+ *                 f = Phrase(syms)
+ */
+  __pyx_t_4 = PyNumber_Add(__pyx_v_wc, __pyx_v_ntc); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_1 = PyObject_RichCompare(__pyx_t_4, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  if (__pyx_t_6) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2177
+ *             # Extend with word
+ *             if wc + ntc < self.max_length:
+ *                 syms.append(f_words[f_j])             # <<<<<<<<<<<<<<
+ *                 f = Phrase(syms)
+ *                 new_lex_i = min(lex_i, f_j)
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_f_words)) { __Pyx_RaiseClosureNameError("f_words"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2177; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_1 = PyObject_GetItem(__pyx_cur_scope->__pyx_v_f_words, __pyx_v_f_j); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = __Pyx_PyObject_Append(__pyx_v_syms, __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2178
+ *             if wc + ntc < self.max_length:
+ *                 syms.append(f_words[f_j])
+ *                 f = Phrase(syms)             # <<<<<<<<<<<<<<
+ *                 new_lex_i = min(lex_i, f_j)
+ *                 new_lex_j = max(lex_j, f_j)
+ */
+    __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_syms);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_syms);
+    __Pyx_GIVEREF(__pyx_v_syms);
+    __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __pyx_v_f = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
+    __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2179
+ *                 syms.append(f_words[f_j])
+ *                 f = Phrase(syms)
+ *                 new_lex_i = min(lex_i, f_j)             # <<<<<<<<<<<<<<
+ *                 new_lex_j = max(lex_j, f_j)
+ *                 phrases.add((f, new_lex_i, new_lex_j))
+ */
+    __Pyx_INCREF(__pyx_v_f_j);
+    __pyx_t_1 = __pyx_v_f_j;
+    __Pyx_INCREF(__pyx_v_lex_i);
+    __pyx_t_2 = __pyx_v_lex_i;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_1, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2179; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2179; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_6) {
+      __Pyx_INCREF(__pyx_t_1);
+      __pyx_t_4 = __pyx_t_1;
+    } else {
+      __Pyx_INCREF(__pyx_t_2);
+      __pyx_t_4 = __pyx_t_2;
+    }
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_INCREF(__pyx_t_4);
+    __pyx_v_new_lex_i = __pyx_t_4;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2180
+ *                 f = Phrase(syms)
+ *                 new_lex_i = min(lex_i, f_j)
+ *                 new_lex_j = max(lex_j, f_j)             # <<<<<<<<<<<<<<
+ *                 phrases.add((f, new_lex_i, new_lex_j))
+ *                 extract(f_i, f_j + 1, new_lex_i, new_lex_j, wc + 1, ntc, syms)
+ */
+    __Pyx_INCREF(__pyx_v_f_j);
+    __pyx_t_4 = __pyx_v_f_j;
+    __Pyx_INCREF(__pyx_v_lex_j);
+    __pyx_t_1 = __pyx_v_lex_j;
+    __pyx_t_7 = PyObject_RichCompare(__pyx_t_4, __pyx_t_1, Py_GT); __Pyx_XGOTREF(__pyx_t_7); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2180; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2180; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+    if (__pyx_t_6) {
+      __Pyx_INCREF(__pyx_t_4);
+      __pyx_t_2 = __pyx_t_4;
+    } else {
+      __Pyx_INCREF(__pyx_t_1);
+      __pyx_t_2 = __pyx_t_1;
+    }
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_INCREF(__pyx_t_2);
+    __pyx_v_new_lex_j = __pyx_t_2;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2181
+ *                 new_lex_i = min(lex_i, f_j)
+ *                 new_lex_j = max(lex_j, f_j)
+ *                 phrases.add((f, new_lex_i, new_lex_j))             # <<<<<<<<<<<<<<
+ *                 extract(f_i, f_j + 1, new_lex_i, new_lex_j, wc + 1, ntc, syms)
+ *                 syms.pop()
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_phrases)) { __Pyx_RaiseClosureNameError("phrases"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2181; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_phrases, __pyx_n_s__add); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_INCREF(((PyObject *)__pyx_v_f));
+    PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_v_f));
+    __Pyx_GIVEREF(((PyObject *)__pyx_v_f));
+    __Pyx_INCREF(__pyx_v_new_lex_i);
+    PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_v_new_lex_i);
+    __Pyx_GIVEREF(__pyx_v_new_lex_i);
+    __Pyx_INCREF(__pyx_v_new_lex_j);
+    PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_new_lex_j);
+    __Pyx_GIVEREF(__pyx_v_new_lex_j);
+    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_t_4));
+    __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2182
+ *                 new_lex_j = max(lex_j, f_j)
+ *                 phrases.add((f, new_lex_i, new_lex_j))
+ *                 extract(f_i, f_j + 1, new_lex_i, new_lex_j, wc + 1, ntc, syms)             # <<<<<<<<<<<<<<
+ *                 syms.pop()
+ *             # Extend with existing non-terminal
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2182; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_4 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = PyNumber_Add(__pyx_v_wc, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = PyTuple_New(7); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f_i);
+    __Pyx_GIVEREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __Pyx_INCREF(__pyx_v_new_lex_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_v_new_lex_i);
+    __Pyx_GIVEREF(__pyx_v_new_lex_i);
+    __Pyx_INCREF(__pyx_v_new_lex_j);
+    PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_v_new_lex_j);
+    __Pyx_GIVEREF(__pyx_v_new_lex_j);
+    PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __Pyx_INCREF(__pyx_v_ntc);
+    PyTuple_SET_ITEM(__pyx_t_2, 5, __pyx_v_ntc);
+    __Pyx_GIVEREF(__pyx_v_ntc);
+    __Pyx_INCREF(__pyx_v_syms);
+    PyTuple_SET_ITEM(__pyx_t_2, 6, __pyx_v_syms);
+    __Pyx_GIVEREF(__pyx_v_syms);
+    __pyx_t_4 = 0;
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2183
+ *                 phrases.add((f, new_lex_i, new_lex_j))
+ *                 extract(f_i, f_j + 1, new_lex_i, new_lex_j, wc + 1, ntc, syms)
+ *                 syms.pop()             # <<<<<<<<<<<<<<
+ *             # Extend with existing non-terminal
+ *             if syms and sym_isvar(syms[-1]):
+ */
+    __pyx_t_1 = __Pyx_PyObject_Pop(__pyx_v_syms); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    goto __pyx_L4;
+  }
+  __pyx_L4:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2185
+ *                 syms.pop()
+ *             # Extend with existing non-terminal
+ *             if syms and sym_isvar(syms[-1]):             # <<<<<<<<<<<<<<
+ *                 # Don't re-extract the same phrase
+ *                 extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc, syms)
+ */
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_v_syms); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2185; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_t_6) {
+    __pyx_t_1 = __Pyx_GetItemInt(__pyx_v_syms, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2185; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_8 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_8 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2185; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_3 = __pyx_f_3_sa_sym_isvar(__pyx_t_8);
+  } else {
+    __pyx_t_3 = __pyx_t_6;
+  }
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2187
+ *             if syms and sym_isvar(syms[-1]):
+ *                 # Don't re-extract the same phrase
+ *                 extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc, syms)             # <<<<<<<<<<<<<<
+ *             # Extend with new non-terminal
+ *             if wc + ntc < self.max_length:
+ */
+    if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2187; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+    __pyx_t_1 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = PyTuple_New(7); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __Pyx_INCREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f_i);
+    __Pyx_GIVEREF(__pyx_v_f_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    __Pyx_INCREF(__pyx_v_lex_i);
+    PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_v_lex_i);
+    __Pyx_GIVEREF(__pyx_v_lex_i);
+    __Pyx_INCREF(__pyx_v_lex_j);
+    PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_v_lex_j);
+    __Pyx_GIVEREF(__pyx_v_lex_j);
+    __Pyx_INCREF(__pyx_v_wc);
+    PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_v_wc);
+    __Pyx_GIVEREF(__pyx_v_wc);
+    __Pyx_INCREF(__pyx_v_ntc);
+    PyTuple_SET_ITEM(__pyx_t_2, 5, __pyx_v_ntc);
+    __Pyx_GIVEREF(__pyx_v_ntc);
+    __Pyx_INCREF(__pyx_v_syms);
+    PyTuple_SET_ITEM(__pyx_t_2, 6, __pyx_v_syms);
+    __Pyx_GIVEREF(__pyx_v_syms);
+    __pyx_t_1 = 0;
+    __pyx_t_1 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    goto __pyx_L5;
+  }
+  __pyx_L5:;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2189
+ *                 extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc, syms)
+ *             # Extend with new non-terminal
+ *             if wc + ntc < self.max_length:             # <<<<<<<<<<<<<<
+ *                 if not syms or (ntc < self.max_nonterminals and not sym_isvar(syms[-1])):
+ *                     syms.append(sym_setindex(self.category, ntc + 1))
+ */
+  __pyx_t_1 = PyNumber_Add(__pyx_v_wc, __pyx_v_ntc); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_length); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_4 = PyObject_RichCompare(__pyx_t_1, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  if (__pyx_t_3) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2190
+ *             # Extend with new non-terminal
+ *             if wc + ntc < self.max_length:
+ *                 if not syms or (ntc < self.max_nonterminals and not sym_isvar(syms[-1])):             # <<<<<<<<<<<<<<
+ *                     syms.append(sym_setindex(self.category, ntc + 1))
+ *                     f = Phrase(syms)
+ */
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_v_syms); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = (!__pyx_t_3);
+    if (!__pyx_t_6) {
+      __pyx_t_4 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_self->max_nonterminals); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_2 = PyObject_RichCompare(__pyx_v_ntc, __pyx_t_4, Py_LT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      if (__pyx_t_3) {
+        __pyx_t_2 = __Pyx_GetItemInt(__pyx_v_syms, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_8 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_8 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __pyx_t_5 = (!__pyx_f_3_sa_sym_isvar(__pyx_t_8));
+        __pyx_t_9 = __pyx_t_5;
+      } else {
+        __pyx_t_9 = __pyx_t_3;
+      }
+      __pyx_t_3 = __pyx_t_9;
+    } else {
+      __pyx_t_3 = __pyx_t_6;
+    }
+    if (__pyx_t_3) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2191
+ *             if wc + ntc < self.max_length:
+ *                 if not syms or (ntc < self.max_nonterminals and not sym_isvar(syms[-1])):
+ *                     syms.append(sym_setindex(self.category, ntc + 1))             # <<<<<<<<<<<<<<
+ *                     f = Phrase(syms)
+ *                     if wc > 0:
+ */
+      __pyx_t_2 = PyNumber_Add(__pyx_v_ntc, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_8 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_8 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __pyx_t_2 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_8)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __pyx_t_4 = __Pyx_PyObject_Append(__pyx_v_syms, __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2192
+ *                 if not syms or (ntc < self.max_nonterminals and not sym_isvar(syms[-1])):
+ *                     syms.append(sym_setindex(self.category, ntc + 1))
+ *                     f = Phrase(syms)             # <<<<<<<<<<<<<<
+ *                     if wc > 0:
+ *                         phrases.add((f, lex_i, lex_j))
+ */
+      __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_syms);
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_v_syms);
+      __Pyx_GIVEREF(__pyx_v_syms);
+      __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_XDECREF(((PyObject *)__pyx_v_f));
+      __pyx_v_f = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_2);
+      __pyx_t_2 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2193
+ *                     syms.append(sym_setindex(self.category, ntc + 1))
+ *                     f = Phrase(syms)
+ *                     if wc > 0:             # <<<<<<<<<<<<<<
+ *                         phrases.add((f, lex_i, lex_j))
+ *                     extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc + 1, syms)
+ */
+      __pyx_t_2 = PyObject_RichCompare(__pyx_v_wc, __pyx_int_0, Py_GT); __Pyx_XGOTREF(__pyx_t_2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+      if (__pyx_t_3) {
+
+        /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2194
+ *                     f = Phrase(syms)
+ *                     if wc > 0:
+ *                         phrases.add((f, lex_i, lex_j))             # <<<<<<<<<<<<<<
+ *                     extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc + 1, syms)
+ *                     syms.pop()
+ */
+        if (unlikely(!__pyx_cur_scope->__pyx_v_phrases)) { __Pyx_RaiseClosureNameError("phrases"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2194; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+        __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_phrases, __pyx_n_s__add); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        __Pyx_INCREF(((PyObject *)__pyx_v_f));
+        PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_v_f));
+        __Pyx_GIVEREF(((PyObject *)__pyx_v_f));
+        __Pyx_INCREF(__pyx_v_lex_i);
+        PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_v_lex_i);
+        __Pyx_GIVEREF(__pyx_v_lex_i);
+        __Pyx_INCREF(__pyx_v_lex_j);
+        PyTuple_SET_ITEM(__pyx_t_4, 2, __pyx_v_lex_j);
+        __Pyx_GIVEREF(__pyx_v_lex_j);
+        __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_1);
+        PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_t_4));
+        __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
+        __pyx_t_4 = 0;
+        __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+        __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+        goto __pyx_L8;
+      }
+      __pyx_L8:;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2195
+ *                     if wc > 0:
+ *                         phrases.add((f, lex_i, lex_j))
+ *                     extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc + 1, syms)             # <<<<<<<<<<<<<<
+ *                     syms.pop()
+ * 
+ */
+      if (unlikely(!__pyx_cur_scope->__pyx_v_extract)) { __Pyx_RaiseClosureNameError("extract"); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2195; __pyx_clineno = __LINE__; goto __pyx_L1_error;} }
+      __pyx_t_4 = PyNumber_Add(__pyx_v_f_j, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_1 = PyNumber_Add(__pyx_v_ntc, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_t_2 = PyTuple_New(7); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_2);
+      __Pyx_INCREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_v_f_i);
+      __Pyx_GIVEREF(__pyx_v_f_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __Pyx_INCREF(__pyx_v_lex_i);
+      PyTuple_SET_ITEM(__pyx_t_2, 2, __pyx_v_lex_i);
+      __Pyx_GIVEREF(__pyx_v_lex_i);
+      __Pyx_INCREF(__pyx_v_lex_j);
+      PyTuple_SET_ITEM(__pyx_t_2, 3, __pyx_v_lex_j);
+      __Pyx_GIVEREF(__pyx_v_lex_j);
+      __Pyx_INCREF(__pyx_v_wc);
+      PyTuple_SET_ITEM(__pyx_t_2, 4, __pyx_v_wc);
+      __Pyx_GIVEREF(__pyx_v_wc);
+      PyTuple_SET_ITEM(__pyx_t_2, 5, __pyx_t_1);
+      __Pyx_GIVEREF(__pyx_t_1);
+      __Pyx_INCREF(__pyx_v_syms);
+      PyTuple_SET_ITEM(__pyx_t_2, 6, __pyx_v_syms);
+      __Pyx_GIVEREF(__pyx_v_syms);
+      __pyx_t_4 = 0;
+      __pyx_t_1 = 0;
+      __pyx_t_1 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2196
+ *                         phrases.add((f, lex_i, lex_j))
+ *                     extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc + 1, syms)
+ *                     syms.pop()             # <<<<<<<<<<<<<<
+ * 
+ *         # Try to extract phrases from every f index
+ */
+      __pyx_t_1 = __Pyx_PyObject_Pop(__pyx_v_syms); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      goto __pyx_L7;
+    }
+    __pyx_L7:;
+    goto __pyx_L6;
+  }
+  __pyx_L6:;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_7);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_f_phrases.extract", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_f);
+  __Pyx_XDECREF(__pyx_v_new_lex_i);
+  __Pyx_XDECREF(__pyx_v_new_lex_j);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2166
+ *     # (Used for EGivenFCoherent)
+ *     # Return set of (fphrase, lex_i, lex_j)
+ *     def get_f_phrases(self, f_words):             # <<<<<<<<<<<<<<
+ * 
+ *         f_len = len(f_words)
+ */
+
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_37get_f_phrases(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_f_words) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *__pyx_cur_scope;
+  long __pyx_v_f_i;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  Py_ssize_t __pyx_t_2;
+  long __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  PyObject *__pyx_t_6 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("get_f_phrases", 0);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *)__pyx_ptype_3_sa___pyx_scope_struct_26_get_f_phrases->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_26_get_f_phrases, __pyx_empty_tuple, NULL);
+  if (unlikely(!__pyx_cur_scope)) {
+    __Pyx_RefNannyFinishContext();
+    return NULL;
+  }
+  __Pyx_GOTREF(__pyx_cur_scope);
+  __pyx_cur_scope->__pyx_v_self = __pyx_v_self;
+  __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
+  __pyx_cur_scope->__pyx_v_f_words = __pyx_v_f_words;
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_words);
+  __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_words);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2168
+ *     def get_f_phrases(self, f_words):
+ * 
+ *         f_len = len(f_words)             # <<<<<<<<<<<<<<
+ *         phrases = set() # (fphrase, lex_i, lex_j)
+ * 
+ */
+  __pyx_t_1 = __pyx_cur_scope->__pyx_v_f_words;
+  __Pyx_INCREF(__pyx_t_1);
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_cur_scope->__pyx_v_f_len = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2169
+ * 
+ *         f_len = len(f_words)
+ *         phrases = set() # (fphrase, lex_i, lex_j)             # <<<<<<<<<<<<<<
+ * 
+ *         def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):
+ */
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_1));
+  __pyx_cur_scope->__pyx_v_phrases = ((PyObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2171
+ *         phrases = set() # (fphrase, lex_i, lex_j)
+ * 
+ *         def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+  __pyx_t_1 = __Pyx_CyFunction_NewEx(&__pyx_mdef_3_sa_23HieroCachingRuleFactory_13get_f_phrases_1extract, 0, ((PyObject*)__pyx_cur_scope), __pyx_n_s___sa, ((PyObject *)__pyx_k_codeobj_154)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_GIVEREF(__pyx_t_1);
+  __pyx_cur_scope->__pyx_v_extract = __pyx_t_1;
+  __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2199
+ * 
+ *         # Try to extract phrases from every f index
+ *         for f_i from 0 <= f_i < f_len:             # <<<<<<<<<<<<<<
+ *             extract(f_i, f_i, f_len, -1, 0, 0, [])
+ * 
+ */
+  __pyx_t_3 = __Pyx_PyInt_AsLong(__pyx_cur_scope->__pyx_v_f_len); if (unlikely((__pyx_t_3 == (long)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  for (__pyx_v_f_i = 0; __pyx_v_f_i < __pyx_t_3; __pyx_v_f_i++) {
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2200
+ *         # Try to extract phrases from every f index
+ *         for f_i from 0 <= f_i < f_len:
+ *             extract(f_i, f_i, f_len, -1, 0, 0, [])             # <<<<<<<<<<<<<<
+ * 
+ *         return phrases
+ */
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_f_i); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_4 = PyInt_FromLong(__pyx_v_f_i); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_5 = PyList_New(0); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_6 = PyTuple_New(7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_6);
+    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_1);
+    __Pyx_GIVEREF(__pyx_t_1);
+    PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __Pyx_INCREF(__pyx_cur_scope->__pyx_v_f_len);
+    PyTuple_SET_ITEM(__pyx_t_6, 2, __pyx_cur_scope->__pyx_v_f_len);
+    __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_f_len);
+    __Pyx_INCREF(__pyx_int_neg_1);
+    PyTuple_SET_ITEM(__pyx_t_6, 3, __pyx_int_neg_1);
+    __Pyx_GIVEREF(__pyx_int_neg_1);
+    __Pyx_INCREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_6, 4, __pyx_int_0);
+    __Pyx_GIVEREF(__pyx_int_0);
+    __Pyx_INCREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_6, 5, __pyx_int_0);
+    __Pyx_GIVEREF(__pyx_int_0);
+    PyTuple_SET_ITEM(__pyx_t_6, 6, ((PyObject *)__pyx_t_5));
+    __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
+    __pyx_t_1 = 0;
+    __pyx_t_4 = 0;
+    __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_Call(__pyx_cur_scope->__pyx_v_extract, ((PyObject *)__pyx_t_6), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  }
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2202
+ *             extract(f_i, f_i, f_len, -1, 0, 0, [])
+ * 
+ *         return phrases             # <<<<<<<<<<<<<<
+ * 
+ * # Spans are _inclusive_ on both ends [i, j]
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(__pyx_cur_scope->__pyx_v_phrases);
+  __pyx_r = __pyx_cur_scope->__pyx_v_phrases;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_6);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_f_phrases", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_DECREF(((PyObject *)__pyx_cur_scope));
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_17span_check(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_17span_check = {__Pyx_NAMESTR("span_check"), (PyCFunction)__pyx_pw_3_sa_17span_check, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_17span_check(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_vec = 0;
+  PyObject *__pyx_v_i = 0;
+  PyObject *__pyx_v_j = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("span_check (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__vec,&__pyx_n_s__i,&__pyx_n_s__j,0};
+    PyObject* values[3] = {0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__vec)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_check", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_check", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "span_check") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+    }
+    __pyx_v_vec = values[0];
+    __pyx_v_i = values[1];
+    __pyx_v_j = values[2];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("span_check", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.span_check", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_16span_check(__pyx_self, __pyx_v_vec, __pyx_v_i, __pyx_v_j);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2205
+ * 
+ * # Spans are _inclusive_ on both ends [i, j]
+ * def span_check(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+
+static PyObject *__pyx_pf_3_sa_16span_check(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j) {
+  PyObject *__pyx_v_k = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_2;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("span_check", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2206
+ * # Spans are _inclusive_ on both ends [i, j]
+ * def span_check(vec, i, j):
+ *     k = i             # <<<<<<<<<<<<<<
+ *     while k <= j:
+ *         if vec[k]:
+ */
+  __Pyx_INCREF(__pyx_v_i);
+  __pyx_v_k = __pyx_v_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2207
+ * def span_check(vec, i, j):
+ *     k = i
+ *     while k <= j:             # <<<<<<<<<<<<<<
+ *         if vec[k]:
+ *             return False
+ */
+  while (1) {
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_k, __pyx_v_j, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (!__pyx_t_2) break;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2208
+ *     k = i
+ *     while k <= j:
+ *         if vec[k]:             # <<<<<<<<<<<<<<
+ *             return False
+ *         k += 1
+ */
+    __pyx_t_1 = PyObject_GetItem(__pyx_v_vec, __pyx_v_k); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (__pyx_t_2) {
+
+      /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2209
+ *     while k <= j:
+ *         if vec[k]:
+ *             return False             # <<<<<<<<<<<<<<
+ *         k += 1
+ *     return True
+ */
+      __Pyx_XDECREF(__pyx_r);
+      __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_1);
+      __pyx_r = __pyx_t_1;
+      __pyx_t_1 = 0;
+      goto __pyx_L0;
+      goto __pyx_L5;
+    }
+    __pyx_L5:;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2210
+ *         if vec[k]:
+ *             return False
+ *         k += 1             # <<<<<<<<<<<<<<
+ *     return True
+ * 
+ */
+    __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_k, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_v_k);
+    __pyx_v_k = __pyx_t_1;
+    __pyx_t_1 = 0;
+  }
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2211
+ *             return False
+ *         k += 1
+ *     return True             # <<<<<<<<<<<<<<
+ * 
+ * def span_inc(vec, i, j):
+ */
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("_sa.span_check", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_k);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_19span_inc(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_19span_inc = {__Pyx_NAMESTR("span_inc"), (PyCFunction)__pyx_pw_3_sa_19span_inc, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_19span_inc(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_vec = 0;
+  PyObject *__pyx_v_i = 0;
+  PyObject *__pyx_v_j = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("span_inc (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__vec,&__pyx_n_s__i,&__pyx_n_s__j,0};
+    PyObject* values[3] = {0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__vec)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_inc", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_inc", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "span_inc") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+    }
+    __pyx_v_vec = values[0];
+    __pyx_v_i = values[1];
+    __pyx_v_j = values[2];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("span_inc", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.span_inc", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_18span_inc(__pyx_self, __pyx_v_vec, __pyx_v_i, __pyx_v_j);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2213
+ *     return True
+ * 
+ * def span_inc(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+
+static PyObject *__pyx_pf_3_sa_18span_inc(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j) {
+  PyObject *__pyx_v_k = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("span_inc", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2214
+ * 
+ * def span_inc(vec, i, j):
+ *     k = i             # <<<<<<<<<<<<<<
+ *     while k <= j:
+ *         vec[k] += 1
+ */
+  __Pyx_INCREF(__pyx_v_i);
+  __pyx_v_k = __pyx_v_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2215
+ * def span_inc(vec, i, j):
+ *     k = i
+ *     while k <= j:             # <<<<<<<<<<<<<<
+ *         vec[k] += 1
+ *         k += 1
+ */
+  while (1) {
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_k, __pyx_v_j, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (!__pyx_t_2) break;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2216
+ *     k = i
+ *     while k <= j:
+ *         vec[k] += 1             # <<<<<<<<<<<<<<
+ *         k += 1
+ * 
+ */
+    __Pyx_INCREF(__pyx_v_k);
+    __pyx_t_1 = __pyx_v_k;
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_vec, __pyx_t_1); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = PyNumber_InPlaceAdd(__pyx_t_3, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    if (PyObject_SetItem(__pyx_v_vec, __pyx_t_1, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2217
+ *     while k <= j:
+ *         vec[k] += 1
+ *         k += 1             # <<<<<<<<<<<<<<
+ * 
+ * def span_dec(vec, i, j):
+ */
+    __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_k, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2217; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_v_k);
+    __pyx_v_k = __pyx_t_1;
+    __pyx_t_1 = 0;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("_sa.span_inc", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_k);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
+static PyObject *__pyx_pw_3_sa_21span_dec(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static PyMethodDef __pyx_mdef_3_sa_21span_dec = {__Pyx_NAMESTR("span_dec"), (PyCFunction)__pyx_pw_3_sa_21span_dec, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)};
+static PyObject *__pyx_pw_3_sa_21span_dec(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  PyObject *__pyx_v_vec = 0;
+  PyObject *__pyx_v_i = 0;
+  PyObject *__pyx_v_j = 0;
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("span_dec (wrapper)", 0);
+  {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__vec,&__pyx_n_s__i,&__pyx_n_s__j,0};
+    PyObject* values[3] = {0,0,0};
+    if (unlikely(__pyx_kwds)) {
+      Py_ssize_t kw_args;
+      const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
+      switch (pos_args) {
+        case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+        case  2: values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+        case  1: values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+        case  0: break;
+        default: goto __pyx_L5_argtuple_error;
+      }
+      kw_args = PyDict_Size(__pyx_kwds);
+      switch (pos_args) {
+        case  0:
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__vec)) != 0)) kw_args--;
+        else goto __pyx_L5_argtuple_error;
+        case  1:
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_dec", 1, 3, 3, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+        case  2:
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__j)) != 0)) kw_args--;
+        else {
+          __Pyx_RaiseArgtupleInvalid("span_dec", 1, 3, 3, 2); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        }
+      }
+      if (unlikely(kw_args > 0)) {
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "span_dec") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      }
+    } else if (PyTuple_GET_SIZE(__pyx_args) != 3) {
+      goto __pyx_L5_argtuple_error;
+    } else {
+      values[0] = PyTuple_GET_ITEM(__pyx_args, 0);
+      values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
+      values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
+    }
+    __pyx_v_vec = values[0];
+    __pyx_v_i = values[1];
+    __pyx_v_j = values[2];
+  }
+  goto __pyx_L4_argument_unpacking_done;
+  __pyx_L5_argtuple_error:;
+  __Pyx_RaiseArgtupleInvalid("span_dec", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __pyx_L3_error:;
+  __Pyx_AddTraceback("_sa.span_dec", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_RefNannyFinishContext();
+  return NULL;
+  __pyx_L4_argument_unpacking_done:;
+  __pyx_r = __pyx_pf_3_sa_20span_dec(__pyx_self, __pyx_v_vec, __pyx_v_i, __pyx_v_j);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2219
+ *         k += 1
+ * 
+ * def span_dec(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+
+static PyObject *__pyx_pf_3_sa_20span_dec(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_vec, PyObject *__pyx_v_i, PyObject *__pyx_v_j) {
+  PyObject *__pyx_v_k = NULL;
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("span_dec", 0);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2220
+ * 
+ * def span_dec(vec, i, j):
+ *     k = i             # <<<<<<<<<<<<<<
+ *     while k <= j:
+ *         vec[k] -= 1
+ */
+  __Pyx_INCREF(__pyx_v_i);
+  __pyx_v_k = __pyx_v_i;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2221
+ * def span_dec(vec, i, j):
+ *     k = i
+ *     while k <= j:             # <<<<<<<<<<<<<<
+ *         vec[k] -= 1
+ *         k += 1
+ */
+  while (1) {
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_k, __pyx_v_j, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2221; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2221; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (!__pyx_t_2) break;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2222
+ *     k = i
+ *     while k <= j:
+ *         vec[k] -= 1             # <<<<<<<<<<<<<<
+ *         k += 1
+ */
+    __Pyx_INCREF(__pyx_v_k);
+    __pyx_t_1 = __pyx_v_k;
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_vec, __pyx_t_1); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = PyNumber_InPlaceSubtract(__pyx_t_3, __pyx_int_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    if (PyObject_SetItem(__pyx_v_vec, __pyx_t_1, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+    /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2223
+ *     while k <= j:
+ *         vec[k] -= 1
+ *         k += 1             # <<<<<<<<<<<<<<
+ */
+    __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_k, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_v_k);
+    __pyx_v_k = __pyx_t_1;
+    __pyx_t_1 = 0;
+  }
+
+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_3);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_AddTraceback("_sa.span_dec", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_XDECREF(__pyx_v_k);
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+/* Python wrapper */
 static int __pyx_pw_3_sa_13FeatureVector_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_3_sa_13FeatureVector_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_r;
@@ -56111,14 +66546,14 @@ static PyObject *__pyx_pw_3_sa_13FeatureVector_5__iter__(PyObject *__pyx_v_self)
  */
 
 static PyObject *__pyx_pf_3_sa_13FeatureVector_4__iter__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__iter__", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)__pyx_ptype_3_sa___pyx_scope_struct_16___iter__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_16___iter__, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)__pyx_ptype_3_sa___pyx_scope_struct_27___iter__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_27___iter__, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -56148,7 +66583,7 @@ static PyObject *__pyx_pf_3_sa_13FeatureVector_4__iter__(struct __pyx_obj_3_sa_F
 
 static PyObject *__pyx_gb_3_sa_13FeatureVector_6generator5(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
   int __pyx_t_1;
   unsigned int __pyx_t_2;
@@ -56241,7 +66676,7 @@ static PyObject *__pyx_pw_3_sa_13FeatureVector_8__str__(PyObject *__pyx_v_self)
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
-static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator12(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
+static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator17(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
 /* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":21
  * 
@@ -56252,24 +66687,24 @@ static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator12(__pyx_Gener
  */
 
 static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str___genexpr(PyObject *__pyx_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("genexpr", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_18_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_18_genexpr, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)__pyx_ptype_3_sa___pyx_scope_struct_29_genexpr->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_29_genexpr, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
   }
   __Pyx_GOTREF(__pyx_cur_scope);
-  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *) __pyx_self;
+  __pyx_cur_scope->__pyx_outer_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *) __pyx_self;
   __Pyx_INCREF(((PyObject *)__pyx_cur_scope->__pyx_outer_scope));
   __Pyx_GIVEREF(__pyx_cur_scope->__pyx_outer_scope);
   {
-    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_13FeatureVector_7__str___2generator12, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_GeneratorObject *gen = __Pyx_Generator_New((__pyx_generator_body_t) __pyx_gb_3_sa_13FeatureVector_7__str___2generator17, (PyObject *) __pyx_cur_scope); if (unlikely(!gen)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_cur_scope);
     __Pyx_RefNannyFinishContext();
     return (PyObject *) gen;
@@ -56287,9 +66722,9 @@ static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str___genexpr(PyObject *__pyx_
   return __pyx_r;
 }
 
-static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator12(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
+static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator17(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value) /* generator body */
 {
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)__pyx_generator->closure);
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)__pyx_generator->closure);
   PyObject *__pyx_r = NULL;
   PyObject *__pyx_t_1 = NULL;
   Py_ssize_t __pyx_t_2;
@@ -56346,7 +66781,7 @@ static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator12(__pyx_Gener
     __Pyx_GIVEREF(__pyx_t_4);
     __pyx_cur_scope->__pyx_v_feat = __pyx_t_4;
     __pyx_t_4 = 0;
-    __pyx_t_4 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_135), __pyx_cur_scope->__pyx_v_feat); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_155), __pyx_cur_scope->__pyx_v_feat); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(((PyObject *)__pyx_t_4));
     __pyx_r = ((PyObject *)__pyx_t_4);
     __pyx_t_4 = 0;
@@ -56391,7 +66826,7 @@ static PyObject *__pyx_gb_3_sa_13FeatureVector_7__str___2generator12(__pyx_Gener
  */
 
 static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *__pyx_cur_scope;
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *__pyx_cur_scope;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
@@ -56401,7 +66836,7 @@ static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str__(struct __pyx_obj_3_sa_Fe
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
-  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)__pyx_ptype_3_sa___pyx_scope_struct_17___str__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_17___str__, __pyx_empty_tuple, NULL);
+  __pyx_cur_scope = (struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)__pyx_ptype_3_sa___pyx_scope_struct_28___str__->tp_new(__pyx_ptype_3_sa___pyx_scope_struct_28___str__, __pyx_empty_tuple, NULL);
   if (unlikely(!__pyx_cur_scope)) {
     __Pyx_RefNannyFinishContext();
     return NULL;
@@ -61692,6 +72127,14 @@ static PyObject *__pyx_tp_new_3_sa_HieroCachingRuleFactory(PyTypeObject *t, PyOb
   p->fid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   p->findexes = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->samples_f = Py_None; Py_INCREF(Py_None);
+  p->phrases_f = Py_None; Py_INCREF(Py_None);
+  p->phrases_e = Py_None; Py_INCREF(Py_None);
+  p->phrases_fe = Py_None; Py_INCREF(Py_None);
+  p->phrases_al = Py_None; Py_INCREF(Py_None);
+  p->bilex_f = Py_None; Py_INCREF(Py_None);
+  p->bilex_e = Py_None; Py_INCREF(Py_None);
+  p->bilex_fe = Py_None; Py_INCREF(Py_None);
   if (__pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
@@ -61716,6 +72159,14 @@ static void __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory(PyObject *o) {
   Py_CLEAR(p->fid2symid);
   Py_CLEAR(p->findexes);
   Py_CLEAR(p->findexes1);
+  Py_CLEAR(p->samples_f);
+  Py_CLEAR(p->phrases_f);
+  Py_CLEAR(p->phrases_e);
+  Py_CLEAR(p->phrases_fe);
+  Py_CLEAR(p->phrases_al);
+  Py_CLEAR(p->bilex_f);
+  Py_CLEAR(p->bilex_e);
+  Py_CLEAR(p->bilex_fe);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61770,6 +72221,30 @@ static int __pyx_tp_traverse_3_sa_HieroCachingRuleFactory(PyObject *o, visitproc
   if (p->findexes1) {
     e = (*v)(((PyObject*)p->findexes1), a); if (e) return e;
   }
+  if (p->samples_f) {
+    e = (*v)(p->samples_f, a); if (e) return e;
+  }
+  if (p->phrases_f) {
+    e = (*v)(p->phrases_f, a); if (e) return e;
+  }
+  if (p->phrases_e) {
+    e = (*v)(p->phrases_e, a); if (e) return e;
+  }
+  if (p->phrases_fe) {
+    e = (*v)(p->phrases_fe, a); if (e) return e;
+  }
+  if (p->phrases_al) {
+    e = (*v)(p->phrases_al, a); if (e) return e;
+  }
+  if (p->bilex_f) {
+    e = (*v)(p->bilex_f, a); if (e) return e;
+  }
+  if (p->bilex_e) {
+    e = (*v)(p->bilex_e, a); if (e) return e;
+  }
+  if (p->bilex_fe) {
+    e = (*v)(p->bilex_fe, a); if (e) return e;
+  }
   return 0;
 }
 
@@ -61824,6 +72299,30 @@ static int __pyx_tp_clear_3_sa_HieroCachingRuleFactory(PyObject *o) {
   tmp = ((PyObject*)p->findexes1);
   p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->samples_f);
+  p->samples_f = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->phrases_f);
+  p->phrases_f = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->phrases_e);
+  p->phrases_e = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->phrases_fe);
+  p->phrases_fe = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->phrases_al);
+  p->phrases_al = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->bilex_f);
+  p->bilex_f = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->bilex_e);
+  p->bilex_e = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->bilex_fe);
+  p->bilex_fe = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   return 0;
 }
 
@@ -61839,6 +72338,13 @@ static PyMethodDef __pyx_methods_3_sa_HieroCachingRuleFactory[] = {
   {__Pyx_NAMESTR("shortest"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
   {__Pyx_NAMESTR("get_next_states"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
   {__Pyx_NAMESTR("input"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_23input, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_23HieroCachingRuleFactory_22input)},
+  {__Pyx_NAMESTR("add_instance"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_26add_instance, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("form_rule"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_28form_rule, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("fmt_rule"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_30fmt_rule, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("dump_online_stats"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_32dump_online_stats, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("dump_online_rules"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_34dump_online_rules, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("online_ctx_lookup"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_36online_ctx_lookup, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_f_phrases"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_38get_f_phrases, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
@@ -64474,32 +74980,828 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_11___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_11_encode_words(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)o);
+  p->__pyx_v_words = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_11_encode_words(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)o;
+  Py_CLEAR(p->__pyx_v_words);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_11_encode_words(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)o;
+  if (p->__pyx_v_words) {
+    e = (*v)(p->__pyx_v_words, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_11_encode_words(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_words);
+  p->__pyx_v_words = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_11_encode_words[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11_encode_words = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11_encode_words = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_11_encode_words = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11_encode_words = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11_encode_words = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_11_encode_words"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_11_encode_words, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_11_encode_words, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_11_encode_words, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_11_encode_words, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_11_encode_words, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_11_encode_words, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_11_encode_words, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_11_encode_words, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_11_encode_words, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_12_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)o);
+  p->__pyx_outer_scope = 0;
+  p->__pyx_v_word = 0;
+  p->__pyx_t_0 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_12_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)o;
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_word);
+  Py_CLEAR(p->__pyx_t_0);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_12_genexpr(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
+  }
+  if (p->__pyx_v_word) {
+    e = (*v)(p->__pyx_v_word, a); if (e) return e;
+  }
+  if (p->__pyx_t_0) {
+    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_12_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_11_encode_words *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_word);
+  p->__pyx_v_word = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_0);
+  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_12_genexpr[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_12_genexpr = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_12_genexpr = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_12_genexpr = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_12_genexpr = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_12_genexpr = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_12_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_12_genexpr), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_12_genexpr, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_12_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_12_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_12_genexpr, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_12_genexpr, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_12_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_12_genexpr, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_12_genexpr, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_12_genexpr, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_13_decode_words(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)o);
+  p->__pyx_v_syms = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_13_decode_words(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)o;
+  Py_CLEAR(p->__pyx_v_syms);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_13_decode_words(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)o;
+  if (p->__pyx_v_syms) {
+    e = (*v)(p->__pyx_v_syms, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_13_decode_words(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_syms);
+  p->__pyx_v_syms = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_13_decode_words[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_13_decode_words = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_13_decode_words = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_13_decode_words = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_13_decode_words = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_13_decode_words = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_13_decode_words"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_13_decode_words, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_13_decode_words, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_13_decode_words, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_13_decode_words, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_13_decode_words, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_13_decode_words, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_13_decode_words, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_13_decode_words, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_13_decode_words, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_14_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)o);
+  p->__pyx_outer_scope = 0;
+  p->__pyx_v_sym = 0;
+  p->__pyx_t_0 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_14_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)o;
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_sym);
+  Py_CLEAR(p->__pyx_t_0);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_14_genexpr(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
+  }
+  if (p->__pyx_v_sym) {
+    e = (*v)(p->__pyx_v_sym, a); if (e) return e;
+  }
+  if (p->__pyx_t_0) {
+    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_14_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_13_decode_words *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_sym);
+  p->__pyx_v_sym = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_0);
+  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_14_genexpr[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_14_genexpr = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_14_genexpr = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_14_genexpr = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_14_genexpr = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_14_genexpr = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_14_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_14_genexpr), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_14_genexpr, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_14_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_14_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_14_genexpr, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_14_genexpr, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_14_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_14_genexpr, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_14_genexpr, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_14_genexpr, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_15___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)o);
   p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_11___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_15___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)o;
   Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_11___iter__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15___iter__(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)o;
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_11___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_15___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
   p->__pyx_v_self = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
@@ -64507,11 +75809,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_11___iter__(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_11___iter__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_15___iter__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11___iter__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_15___iter__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -64569,7 +75871,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11___iter__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11___iter__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_15___iter__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -64582,13 +75884,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11___iter__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_11___iter__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_15___iter__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11___iter__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_15___iter__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -64609,12 +75911,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11___iter__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11___iter__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_15___iter__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_11___iter__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_11___iter__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_15___iter__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_15___iter__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_11___iter__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_15___iter__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -64624,24 +75926,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11___iter__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_11___iter__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_11___iter__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_11___iter__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_15___iter__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_15___iter__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_15___iter__, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_11___iter__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_15___iter__, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_11___iter__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_11___iter__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_15___iter__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_15___iter__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_11___iter__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_15___iter__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -64651,7 +75953,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11___iter__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_11___iter__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_15___iter__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -64665,32 +75967,32 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_12___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_16___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)o);
   p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_12___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_16___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)o;
   Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_12___str__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_16___str__(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)o;
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_12___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_16___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
   p->__pyx_v_self = ((struct __pyx_obj_3_sa_Rule *)Py_None); Py_INCREF(Py_None);
@@ -64698,11 +76000,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_12___str__(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_12___str__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_16___str__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_12___str__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_16___str__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -64760,7 +76062,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_12___str__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_12___str__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_16___str__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -64773,13 +76075,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_12___str__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_12___str__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_16___str__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_12___str__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_16___str__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -64800,12 +76102,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_12___str__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_12___str__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_16___str__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_12___str__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_12___str__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_16___str__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_16___str__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_12___str__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_16___str__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -64815,24 +76117,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_12___str__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_12___str__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_12___str__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_12___str__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_16___str__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_16___str__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_16___str__, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_12___str__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_16___str__, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_12___str__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_12___str__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_16___str__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_16___str__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_12___str__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_16___str__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -64842,7 +76144,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_12___str__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_12___str__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_16___str__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -64856,28 +76158,28 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_12___str__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_13_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_17_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)o);
   p->__pyx_outer_scope = 0;
   p->__pyx_v_a = 0;
   p->__pyx_t_0 = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_13_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_17_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)o;
   Py_CLEAR(p->__pyx_outer_scope);
   Py_CLEAR(p->__pyx_v_a);
   Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_13_genexpr(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_17_genexpr(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)o;
   if (p->__pyx_outer_scope) {
     e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
   }
@@ -64890,11 +76192,11 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_13_genexpr(PyObject *o, vis
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_13_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_17_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_outer_scope);
-  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_12___str__ *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_16___str__ *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_a);
   p->__pyx_v_a = Py_None; Py_INCREF(Py_None);
@@ -64905,11 +76207,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_13_genexpr(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_13_genexpr[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_17_genexpr[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_13_genexpr = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_17_genexpr = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -64967,7 +76269,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_13_genexpr = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_13_genexpr = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_17_genexpr = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -64980,13 +76282,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_13_genexpr = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_13_genexpr = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_17_genexpr = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_13_genexpr = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_17_genexpr = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -65007,12 +76309,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_13_genexpr = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_13_genexpr = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_17_genexpr = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_13_genexpr"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_13_genexpr), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_17_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_17_genexpr), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_13_genexpr, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_17_genexpr, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -65022,24 +76324,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_13_genexpr = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_13_genexpr, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_13_genexpr, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_13_genexpr, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_17_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_17_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_17_genexpr, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_13_genexpr, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_17_genexpr, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_13_genexpr, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_13_genexpr, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_17_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_17_genexpr, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_13_genexpr, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_17_genexpr, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -65049,7 +76351,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_13_genexpr = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_13_genexpr, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_17_genexpr, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -65063,28 +76365,28 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_13_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_14_alignments(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_18_alignments(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)o);
   p->__pyx_v_point = 0;
   p->__pyx_v_self = 0;
   p->__pyx_t_0 = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_14_alignments(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_18_alignments(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)o;
   Py_CLEAR(p->__pyx_v_point);
   Py_CLEAR(p->__pyx_v_self);
   Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_14_alignments(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_18_alignments(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)o;
   if (p->__pyx_v_point) {
     e = (*v)(p->__pyx_v_point, a); if (e) return e;
   }
@@ -65097,8 +76399,8 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_14_alignments(PyObject *o,
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_14_alignments(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_18_alignments(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_point);
   p->__pyx_v_point = Py_None; Py_INCREF(Py_None);
@@ -65112,11 +76414,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_14_alignments(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_14_alignments[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_18_alignments[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_14_alignments = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_18_alignments = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -65174,7 +76476,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_14_alignments = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_14_alignments = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_18_alignments = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -65187,13 +76489,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_14_alignments =
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_14_alignments = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_18_alignments = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_14_alignments = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_18_alignments = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -65214,12 +76516,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_14_alignments = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_14_alignments = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_18_alignments = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_14_alignments"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_14_alignments), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_18_alignments"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_18_alignments), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_14_alignments, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_18_alignments, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -65229,24 +76531,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_14_alignments = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_14_alignments, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_14_alignments, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_14_alignments, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_18_alignments, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_18_alignments, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_18_alignments, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_14_alignments, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_18_alignments, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_14_alignments, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_14_alignments, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_18_alignments, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_18_alignments, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_14_alignments, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_18_alignments, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -65256,7 +76558,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_14_alignments = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_14_alignments, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_18_alignments, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -65270,11 +76572,11 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_14_alignments = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_15_input(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_19_input(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)o);
   p->__pyx_v_alignment = 0;
   p->__pyx_v_als = 0;
   p->__pyx_v_alslist = 0;
@@ -65287,17 +76589,21 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_15_input(PyTypeObject *t,
   p->__pyx_v_extract_stop = 0;
   p->__pyx_v_extracts = 0;
   p->__pyx_v_f = 0;
+  p->__pyx_v_f_syms = 0;
   p->__pyx_v_fcount = 0;
   p->__pyx_v_fphrases = 0;
   p->__pyx_v_frontier = 0;
   p->__pyx_v_frontier_nodes = 0;
   p->__pyx_v_fwords = 0;
+  p->__pyx_v_genexpr = 0;
   p->__pyx_v_hiero_phrase = 0;
   p->__pyx_v_input_match = 0;
   p->__pyx_v_intersect_start_time = 0;
   p->__pyx_v_intersect_stop_time = 0;
   p->__pyx_v_is_shadow_path = 0;
   p->__pyx_v_key = 0;
+  p->__pyx_v_lex_i = 0;
+  p->__pyx_v_lex_j = 0;
   p->__pyx_v_loc = 0;
   p->__pyx_v_locs = 0;
   p->__pyx_v_max_locs = 0;
@@ -65315,6 +76621,7 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_15_input(PyTypeObject *t,
   p->__pyx_v_sa_range = 0;
   p->__pyx_v_sample = 0;
   p->__pyx_v_scores = 0;
+  p->__pyx_v_seen_phrases = 0;
   p->__pyx_v_self = 0;
   p->__pyx_v_spanlen = 0;
   p->__pyx_v_stop_time = 0;
@@ -65330,8 +76637,8 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_15_input(PyTypeObject *t,
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_15_input(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_19_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)o;
   Py_CLEAR(p->__pyx_v_alignment);
   Py_CLEAR(p->__pyx_v_als);
   Py_CLEAR(p->__pyx_v_alslist);
@@ -65344,17 +76651,21 @@ static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   Py_CLEAR(p->__pyx_v_extract_stop);
   Py_CLEAR(p->__pyx_v_extracts);
   Py_CLEAR(p->__pyx_v_f);
+  Py_CLEAR(p->__pyx_v_f_syms);
   Py_CLEAR(p->__pyx_v_fcount);
   Py_CLEAR(p->__pyx_v_fphrases);
   Py_CLEAR(p->__pyx_v_frontier);
   Py_CLEAR(p->__pyx_v_frontier_nodes);
   Py_CLEAR(p->__pyx_v_fwords);
+  Py_CLEAR(p->__pyx_v_genexpr);
   Py_CLEAR(p->__pyx_v_hiero_phrase);
   Py_CLEAR(p->__pyx_v_input_match);
   Py_CLEAR(p->__pyx_v_intersect_start_time);
   Py_CLEAR(p->__pyx_v_intersect_stop_time);
   Py_CLEAR(p->__pyx_v_is_shadow_path);
   Py_CLEAR(p->__pyx_v_key);
+  Py_CLEAR(p->__pyx_v_lex_i);
+  Py_CLEAR(p->__pyx_v_lex_j);
   Py_CLEAR(p->__pyx_v_loc);
   Py_CLEAR(p->__pyx_v_locs);
   Py_CLEAR(p->__pyx_v_max_locs);
@@ -65372,6 +76683,7 @@ static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   Py_CLEAR(p->__pyx_v_sa_range);
   Py_CLEAR(p->__pyx_v_sample);
   Py_CLEAR(p->__pyx_v_scores);
+  Py_CLEAR(p->__pyx_v_seen_phrases);
   Py_CLEAR(p->__pyx_v_self);
   Py_CLEAR(p->__pyx_v_spanlen);
   Py_CLEAR(p->__pyx_v_stop_time);
@@ -65387,9 +76699,9 @@ static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_19_input(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)o;
   if (p->__pyx_v_alignment) {
     e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
   }
@@ -65426,6 +76738,9 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visit
   if (p->__pyx_v_f) {
     e = (*v)(p->__pyx_v_f, a); if (e) return e;
   }
+  if (p->__pyx_v_f_syms) {
+    e = (*v)(p->__pyx_v_f_syms, a); if (e) return e;
+  }
   if (p->__pyx_v_fcount) {
     e = (*v)(p->__pyx_v_fcount, a); if (e) return e;
   }
@@ -65441,6 +76756,9 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visit
   if (p->__pyx_v_fwords) {
     e = (*v)(p->__pyx_v_fwords, a); if (e) return e;
   }
+  if (p->__pyx_v_genexpr) {
+    e = (*v)(p->__pyx_v_genexpr, a); if (e) return e;
+  }
   if (p->__pyx_v_hiero_phrase) {
     e = (*v)(((PyObject*)p->__pyx_v_hiero_phrase), a); if (e) return e;
   }
@@ -65459,6 +76777,12 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visit
   if (p->__pyx_v_key) {
     e = (*v)(p->__pyx_v_key, a); if (e) return e;
   }
+  if (p->__pyx_v_lex_i) {
+    e = (*v)(p->__pyx_v_lex_i, a); if (e) return e;
+  }
+  if (p->__pyx_v_lex_j) {
+    e = (*v)(p->__pyx_v_lex_j, a); if (e) return e;
+  }
   if (p->__pyx_v_loc) {
     e = (*v)(p->__pyx_v_loc, a); if (e) return e;
   }
@@ -65510,6 +76834,9 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visit
   if (p->__pyx_v_scores) {
     e = (*v)(((PyObject*)p->__pyx_v_scores), a); if (e) return e;
   }
+  if (p->__pyx_v_seen_phrases) {
+    e = (*v)(p->__pyx_v_seen_phrases, a); if (e) return e;
+  }
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
@@ -65549,8 +76876,8 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input(PyObject *o, visit
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_15_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_15_input *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_19_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_19_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_alignment);
   p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
@@ -65588,6 +76915,9 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_f);
   p->__pyx_v_f = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_syms);
+  p->__pyx_v_f_syms = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_fcount);
   p->__pyx_v_fcount = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -65603,6 +76933,9 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_fwords);
   p->__pyx_v_fwords = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_genexpr);
+  p->__pyx_v_genexpr = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_hiero_phrase);
   p->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -65621,6 +76954,12 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_key);
   p->__pyx_v_key = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_lex_i);
+  p->__pyx_v_lex_i = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_lex_j);
+  p->__pyx_v_lex_j = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_loc);
   p->__pyx_v_loc = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -65672,6 +77011,9 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_scores);
   p->__pyx_v_scores = ((struct __pyx_obj_3_sa_FeatureVector *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_seen_phrases);
+  p->__pyx_v_seen_phrases = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_self);
   p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -65711,11 +77053,218 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_15_input(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_15_input[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_19_input[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_19_input = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_19_input = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_19_input = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_19_input = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_19_input = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_19_input"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_19_input), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_19_input, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_19_input, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_19_input, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_19_input, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_19_input, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_19_input, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_19_input, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_19_input, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_19_input, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_20_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)o);
+  p->__pyx_outer_scope = 0;
+  p->__pyx_v_word = 0;
+  p->__pyx_t_0 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_20_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)o;
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_word);
+  Py_CLEAR(p->__pyx_t_0);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_20_genexpr(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
+  }
+  if (p->__pyx_v_word) {
+    e = (*v)(p->__pyx_v_word, a); if (e) return e;
+  }
+  if (p->__pyx_t_0) {
+    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_20_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_19_input *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_word);
+  p->__pyx_v_word = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_0);
+  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_20_genexpr[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_15_input = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_20_genexpr = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -65773,7 +77322,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_15_input = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_15_input = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_20_genexpr = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -65786,13 +77335,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_15_input = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_15_input = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_20_genexpr = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_15_input = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_20_genexpr = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -65813,12 +77362,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_15_input = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_15_input = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_20_genexpr = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_15_input"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_15_input), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_20_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_20_genexpr), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_15_input, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_20_genexpr, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -65828,24 +77377,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_15_input = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_15_input, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_15_input, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_15_input, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_20_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_20_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_20_genexpr, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_15_input, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_20_genexpr, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_15_input, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_15_input, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_20_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_20_genexpr, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_15_input, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_20_genexpr, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -65855,7 +77404,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_15_input = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_15_input, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_20_genexpr, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -65869,32 +77418,1346 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_15_input = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_16___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_21_add_instance(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *)o);
+  p->__pyx_v_al = 0;
+  p->__pyx_v_cover = 0;
+  p->__pyx_v_e_nt_cover = 0;
+  p->__pyx_v_e_words = 0;
+  p->__pyx_v_ef_span = 0;
+  p->__pyx_v_extract = 0;
+  p->__pyx_v_f_len = 0;
+  p->__pyx_v_f_words = 0;
+  p->__pyx_v_fe_span = 0;
+  p->__pyx_v_rules = 0;
   p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_16___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_21_add_instance(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *p = (struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *)o;
+  Py_CLEAR(p->__pyx_v_al);
+  Py_CLEAR(p->__pyx_v_cover);
+  Py_CLEAR(p->__pyx_v_e_nt_cover);
+  Py_CLEAR(p->__pyx_v_e_words);
+  Py_CLEAR(p->__pyx_v_ef_span);
+  Py_CLEAR(p->__pyx_v_extract);
+  Py_CLEAR(p->__pyx_v_f_len);
+  Py_CLEAR(p->__pyx_v_f_words);
+  Py_CLEAR(p->__pyx_v_fe_span);
+  Py_CLEAR(p->__pyx_v_rules);
   Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_16___iter__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_21_add_instance(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *p = (struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *)o;
+  if (p->__pyx_v_al) {
+    e = (*v)(p->__pyx_v_al, a); if (e) return e;
+  }
+  if (p->__pyx_v_cover) {
+    e = (*v)(p->__pyx_v_cover, a); if (e) return e;
+  }
+  if (p->__pyx_v_e_nt_cover) {
+    e = (*v)(p->__pyx_v_e_nt_cover, a); if (e) return e;
+  }
+  if (p->__pyx_v_e_words) {
+    e = (*v)(p->__pyx_v_e_words, a); if (e) return e;
+  }
+  if (p->__pyx_v_ef_span) {
+    e = (*v)(p->__pyx_v_ef_span, a); if (e) return e;
+  }
+  if (p->__pyx_v_extract) {
+    e = (*v)(p->__pyx_v_extract, a); if (e) return e;
+  }
+  if (p->__pyx_v_f_len) {
+    e = (*v)(p->__pyx_v_f_len, a); if (e) return e;
+  }
+  if (p->__pyx_v_f_words) {
+    e = (*v)(p->__pyx_v_f_words, a); if (e) return e;
+  }
+  if (p->__pyx_v_fe_span) {
+    e = (*v)(p->__pyx_v_fe_span, a); if (e) return e;
+  }
+  if (p->__pyx_v_rules) {
+    e = (*v)(p->__pyx_v_rules, a); if (e) return e;
+  }
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_16___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_21_add_instance(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *p = (struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_al);
+  p->__pyx_v_al = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_cover);
+  p->__pyx_v_cover = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_e_nt_cover);
+  p->__pyx_v_e_nt_cover = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_e_words);
+  p->__pyx_v_e_words = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_ef_span);
+  p->__pyx_v_ef_span = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extract);
+  p->__pyx_v_extract = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_len);
+  p->__pyx_v_f_len = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_words);
+  p->__pyx_v_f_words = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fe_span);
+  p->__pyx_v_fe_span = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_rules);
+  p->__pyx_v_rules = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_21_add_instance[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_21_add_instance = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_21_add_instance = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_21_add_instance = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_21_add_instance = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_21_add_instance = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_21_add_instance"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_21_add_instance), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_21_add_instance, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_21_add_instance, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_21_add_instance, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_21_add_instance, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_21_add_instance, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_21_add_instance, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_21_add_instance, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_21_add_instance, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_21_add_instance, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_22_form_rule(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)o);
+  p->__pyx_v_links = 0;
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_22_form_rule(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)o;
+  Py_CLEAR(p->__pyx_v_links);
+  Py_CLEAR(p->__pyx_v_self);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_22_form_rule(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)o;
+  if (p->__pyx_v_links) {
+    e = (*v)(p->__pyx_v_links, a); if (e) return e;
+  }
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_22_form_rule(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_links);
+  p->__pyx_v_links = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_22_form_rule[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_22_form_rule = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_22_form_rule = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_22_form_rule = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_22_form_rule = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_22_form_rule = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_22_form_rule"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_22_form_rule, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_22_form_rule, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_22_form_rule, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_22_form_rule, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_22_form_rule, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_22_form_rule, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_22_form_rule, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_22_form_rule, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_22_form_rule, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_23_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)o);
+  p->__pyx_outer_scope = 0;
+  p->__pyx_v_i = 0;
+  p->__pyx_v_j = 0;
+  p->__pyx_t_0 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_23_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)o;
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_i);
+  Py_CLEAR(p->__pyx_v_j);
+  Py_CLEAR(p->__pyx_t_0);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_23_genexpr(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
+  }
+  if (p->__pyx_v_i) {
+    e = (*v)(p->__pyx_v_i, a); if (e) return e;
+  }
+  if (p->__pyx_v_j) {
+    e = (*v)(p->__pyx_v_j, a); if (e) return e;
+  }
+  if (p->__pyx_t_0) {
+    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_23_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_22_form_rule *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_i);
+  p->__pyx_v_i = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_j);
+  p->__pyx_v_j = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_0);
+  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_23_genexpr[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_23_genexpr = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_23_genexpr = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_23_genexpr = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_23_genexpr = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_23_genexpr = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_23_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_23_genexpr), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_23_genexpr, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_23_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_23_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_23_genexpr, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_23_genexpr, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_23_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_23_genexpr, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_23_genexpr, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_23_genexpr, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_24_fmt_rule(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)o);
+  p->__pyx_v_a = 0;
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_24_fmt_rule(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)o;
+  Py_CLEAR(p->__pyx_v_a);
+  Py_CLEAR(p->__pyx_v_self);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_24_fmt_rule(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)o;
+  if (p->__pyx_v_a) {
+    e = (*v)(p->__pyx_v_a, a); if (e) return e;
+  }
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_24_fmt_rule(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *p = (struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_a);
+  p->__pyx_v_a = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_24_fmt_rule[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_24_fmt_rule = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_24_fmt_rule = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_24_fmt_rule = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_24_fmt_rule = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_24_fmt_rule = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_24_fmt_rule"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_24_fmt_rule, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_24_fmt_rule, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_24_fmt_rule, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_24_fmt_rule, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_24_fmt_rule, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_24_fmt_rule, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_24_fmt_rule, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_24_fmt_rule, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_24_fmt_rule, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_25_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)o);
+  p->__pyx_outer_scope = 0;
+  p->__pyx_v_packed = 0;
+  p->__pyx_t_0 = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_25_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)o;
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_packed);
+  Py_CLEAR(p->__pyx_t_0);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_25_genexpr(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
+  }
+  if (p->__pyx_v_packed) {
+    e = (*v)(p->__pyx_v_packed, a); if (e) return e;
+  }
+  if (p->__pyx_t_0) {
+    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_25_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_24_fmt_rule *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_packed);
+  p->__pyx_v_packed = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_0);
+  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_25_genexpr[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_25_genexpr = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_25_genexpr = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_25_genexpr = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_25_genexpr = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_25_genexpr = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_25_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_25_genexpr), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_25_genexpr, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_25_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_25_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_25_genexpr, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_25_genexpr, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_25_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_25_genexpr, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_25_genexpr, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_25_genexpr, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_26_get_f_phrases(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *)o);
+  p->__pyx_v_extract = 0;
+  p->__pyx_v_f_len = 0;
+  p->__pyx_v_f_words = 0;
+  p->__pyx_v_phrases = 0;
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_26_get_f_phrases(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *p = (struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *)o;
+  Py_CLEAR(p->__pyx_v_extract);
+  Py_CLEAR(p->__pyx_v_f_len);
+  Py_CLEAR(p->__pyx_v_f_words);
+  Py_CLEAR(p->__pyx_v_phrases);
+  Py_CLEAR(p->__pyx_v_self);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_26_get_f_phrases(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *p = (struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *)o;
+  if (p->__pyx_v_extract) {
+    e = (*v)(p->__pyx_v_extract, a); if (e) return e;
+  }
+  if (p->__pyx_v_f_len) {
+    e = (*v)(p->__pyx_v_f_len, a); if (e) return e;
+  }
+  if (p->__pyx_v_f_words) {
+    e = (*v)(p->__pyx_v_f_words, a); if (e) return e;
+  }
+  if (p->__pyx_v_phrases) {
+    e = (*v)(p->__pyx_v_phrases, a); if (e) return e;
+  }
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_26_get_f_phrases(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *p = (struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_extract);
+  p->__pyx_v_extract = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_len);
+  p->__pyx_v_f_len = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f_words);
+  p->__pyx_v_f_words = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_phrases);
+  p->__pyx_v_phrases = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_26_get_f_phrases[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_26_get_f_phrases = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_26_get_f_phrases = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_26_get_f_phrases = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_26_get_f_phrases = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_26_get_f_phrases = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_26_get_f_phrases"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_26_get_f_phrases), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_26_get_f_phrases, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_26_get_f_phrases, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_26_get_f_phrases, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_26_get_f_phrases, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_26_get_f_phrases, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_26_get_f_phrases, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_26_get_f_phrases, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_26_get_f_phrases, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_26_get_f_phrases, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_27___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)o);
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_27___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)o;
+  Py_CLEAR(p->__pyx_v_self);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_27___iter__(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)o;
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_27___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
   p->__pyx_v_self = ((struct __pyx_obj_3_sa_FeatureVector *)Py_None); Py_INCREF(Py_None);
@@ -65902,11 +78765,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_16___iter__(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_16___iter__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_27___iter__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_16___iter__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_27___iter__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -65964,7 +78827,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_16___iter__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_16___iter__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_27___iter__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -65977,13 +78840,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_16___iter__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_16___iter__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_27___iter__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_16___iter__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_27___iter__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -66004,12 +78867,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_16___iter__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_16___iter__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_27___iter__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_16___iter__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_16___iter__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_27___iter__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_27___iter__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_16___iter__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_27___iter__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -66019,24 +78882,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_16___iter__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_16___iter__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_16___iter__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_16___iter__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_27___iter__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_27___iter__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_27___iter__, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_16___iter__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_27___iter__, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_16___iter__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_16___iter__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_27___iter__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_27___iter__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_16___iter__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_27___iter__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -66046,7 +78909,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_16___iter__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_16___iter__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_27___iter__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -66060,32 +78923,32 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_16___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_17___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_28___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)o);
   p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_17___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_28___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)o;
   Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_17___str__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_28___str__(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)o;
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_17___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_28___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_self);
   p->__pyx_v_self = ((struct __pyx_obj_3_sa_FeatureVector *)Py_None); Py_INCREF(Py_None);
@@ -66093,11 +78956,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_17___str__(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_17___str__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_28___str__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_17___str__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_28___str__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -66155,7 +79018,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_17___str__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_17___str__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_28___str__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -66168,13 +79031,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_17___str__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_17___str__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_28___str__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_17___str__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_28___str__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -66195,12 +79058,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_17___str__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_17___str__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_28___str__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_17___str__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_17___str__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_28___str__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_28___str__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_17___str__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_28___str__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -66210,24 +79073,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_17___str__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_17___str__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_17___str__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_17___str__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_28___str__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_28___str__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_28___str__, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_17___str__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_28___str__, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_17___str__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_17___str__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_28___str__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_28___str__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_17___str__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_28___str__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -66237,7 +79100,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_17___str__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_17___str__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_28___str__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -66251,28 +79114,28 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_17___str__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_18_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_29_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)o);
   p->__pyx_outer_scope = 0;
   p->__pyx_v_feat = 0;
   p->__pyx_t_0 = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_18_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_29_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)o;
   Py_CLEAR(p->__pyx_outer_scope);
   Py_CLEAR(p->__pyx_v_feat);
   Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_18_genexpr(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_29_genexpr(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)o;
   if (p->__pyx_outer_scope) {
     e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
   }
@@ -66285,11 +79148,11 @@ static int __pyx_tp_traverse_3_sa___pyx_scope_struct_18_genexpr(PyObject *o, vis
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_18_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_29_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_outer_scope);
-  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_17___str__ *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_28___str__ *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_feat);
   p->__pyx_v_feat = Py_None; Py_INCREF(Py_None);
@@ -66300,11 +79163,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_18_genexpr(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_18_genexpr[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_29_genexpr[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_18_genexpr = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_29_genexpr = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -66362,7 +79225,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_18_genexpr = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_18_genexpr = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_29_genexpr = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -66375,13 +79238,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_18_genexpr = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_18_genexpr = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_29_genexpr = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_18_genexpr = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_29_genexpr = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -66402,12 +79265,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_18_genexpr = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_18_genexpr = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_29_genexpr = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_18_genexpr"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_18_genexpr), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_29_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_29_genexpr), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_18_genexpr, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_29_genexpr, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -66417,24 +79280,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_18_genexpr = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_18_genexpr, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_18_genexpr, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_18_genexpr, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_29_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_29_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_29_genexpr, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_18_genexpr, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_29_genexpr, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa___pyx_scope_struct_18_genexpr, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_18_genexpr, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_29_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_29_genexpr, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_18_genexpr, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_29_genexpr, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -66444,7 +79307,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_18_genexpr = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_18_genexpr, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_29_genexpr, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -66510,11 +79373,18 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_132, __pyx_k_132, sizeof(__pyx_k_132), 0, 0, 1, 0},
   {&__pyx_kp_s_133, __pyx_k_133, sizeof(__pyx_k_133), 0, 0, 1, 0},
   {&__pyx_kp_s_134, __pyx_k_134, sizeof(__pyx_k_134), 0, 0, 1, 0},
-  {&__pyx_kp_s_135, __pyx_k_135, sizeof(__pyx_k_135), 0, 0, 1, 0},
   {&__pyx_kp_s_137, __pyx_k_137, sizeof(__pyx_k_137), 0, 0, 1, 0},
+  {&__pyx_kp_s_138, __pyx_k_138, sizeof(__pyx_k_138), 0, 0, 1, 0},
+  {&__pyx_kp_s_139, __pyx_k_139, sizeof(__pyx_k_139), 0, 0, 1, 0},
   {&__pyx_kp_s_14, __pyx_k_14, sizeof(__pyx_k_14), 0, 0, 1, 0},
   {&__pyx_kp_s_140, __pyx_k_140, sizeof(__pyx_k_140), 0, 0, 1, 0},
-  {&__pyx_kp_s_144, __pyx_k_144, sizeof(__pyx_k_144), 0, 0, 1, 0},
+  {&__pyx_kp_s_142, __pyx_k_142, sizeof(__pyx_k_142), 0, 0, 1, 0},
+  {&__pyx_kp_s_146, __pyx_k_146, sizeof(__pyx_k_146), 0, 0, 1, 0},
+  {&__pyx_n_s_152, __pyx_k_152, sizeof(__pyx_k_152), 0, 0, 1, 1},
+  {&__pyx_kp_s_155, __pyx_k_155, sizeof(__pyx_k_155), 0, 0, 1, 0},
+  {&__pyx_kp_s_157, __pyx_k_157, sizeof(__pyx_k_157), 0, 0, 1, 0},
+  {&__pyx_kp_s_160, __pyx_k_160, sizeof(__pyx_k_160), 0, 0, 1, 0},
+  {&__pyx_kp_s_164, __pyx_k_164, sizeof(__pyx_k_164), 0, 0, 1, 0},
   {&__pyx_kp_s_18, __pyx_k_18, sizeof(__pyx_k_18), 0, 0, 1, 0},
   {&__pyx_kp_s_2, __pyx_k_2, sizeof(__pyx_k_2), 0, 0, 1, 0},
   {&__pyx_kp_s_21, __pyx_k_21, sizeof(__pyx_k_21), 0, 0, 1, 0},
@@ -66567,9 +79437,12 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s__0, __pyx_k__0, sizeof(__pyx_k__0), 0, 0, 1, 0},
   {&__pyx_kp_s__1, __pyx_k__1, sizeof(__pyx_k__1), 0, 0, 1, 0},
   {&__pyx_n_s__Counter, __pyx_k__Counter, sizeof(__pyx_k__Counter), 0, 0, 1, 1},
+  {&__pyx_n_s__E, __pyx_k__E, sizeof(__pyx_k__E), 0, 0, 1, 1},
   {&__pyx_n_s__END_OF_FILE, __pyx_k__END_OF_FILE, sizeof(__pyx_k__END_OF_FILE), 0, 0, 1, 1},
   {&__pyx_n_s__END_OF_LINE, __pyx_k__END_OF_LINE, sizeof(__pyx_k__END_OF_LINE), 0, 0, 1, 1},
   {&__pyx_n_s__Exception, __pyx_k__Exception, sizeof(__pyx_k__Exception), 0, 0, 1, 1},
+  {&__pyx_n_s__F, __pyx_k__F, sizeof(__pyx_k__F), 0, 0, 1, 1},
+  {&__pyx_n_s__FE, __pyx_k__FE, sizeof(__pyx_k__FE), 0, 0, 1, 1},
   {&__pyx_n_s__FeatureContext, __pyx_k__FeatureContext, sizeof(__pyx_k__FeatureContext), 0, 0, 1, 1},
   {&__pyx_n_s__GzipFile, __pyx_k__GzipFile, sizeof(__pyx_k__GzipFile), 0, 0, 1, 1},
   {&__pyx_n_s__INCREMENT, __pyx_k__INCREMENT, sizeof(__pyx_k__INCREMENT), 0, 0, 1, 1},
@@ -66587,7 +79460,10 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s___columns, __pyx_k___columns, sizeof(__pyx_k___columns), 0, 0, 1, 1},
   {&__pyx_n_s___doquicksort, __pyx_k___doquicksort, sizeof(__pyx_k___doquicksort), 0, 0, 1, 1},
   {&__pyx_n_s___sa, __pyx_k___sa, sizeof(__pyx_k___sa), 0, 0, 1, 1},
+  {&__pyx_n_s__a, __pyx_k__a, sizeof(__pyx_k__a), 0, 0, 1, 1},
+  {&__pyx_n_s__add, __pyx_k__add, sizeof(__pyx_k__add), 0, 0, 1, 1},
   {&__pyx_n_s__advance, __pyx_k__advance, sizeof(__pyx_k__advance), 0, 0, 1, 1},
+  {&__pyx_n_s__al, __pyx_k__al, sizeof(__pyx_k__al), 0, 0, 1, 1},
   {&__pyx_n_s__alignment, __pyx_k__alignment, sizeof(__pyx_k__alignment), 0, 0, 1, 1},
   {&__pyx_n_s__alignments, __pyx_k__alignments, sizeof(__pyx_k__alignments), 0, 0, 1, 1},
   {&__pyx_n_s__alphabet_size, __pyx_k__alphabet_size, sizeof(__pyx_k__alphabet_size), 0, 0, 1, 1},
@@ -66595,6 +79471,9 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__arr, __pyx_k__arr, sizeof(__pyx_k__arr), 0, 0, 1, 1},
   {&__pyx_n_s__arr_high, __pyx_k__arr_high, sizeof(__pyx_k__arr_high), 0, 0, 1, 1},
   {&__pyx_n_s__arr_low, __pyx_k__arr_low, sizeof(__pyx_k__arr_low), 0, 0, 1, 1},
+  {&__pyx_n_s__bilex_e, __pyx_k__bilex_e, sizeof(__pyx_k__bilex_e), 0, 0, 1, 1},
+  {&__pyx_n_s__bilex_f, __pyx_k__bilex_f, sizeof(__pyx_k__bilex_f), 0, 0, 1, 1},
+  {&__pyx_n_s__bilex_fe, __pyx_k__bilex_fe, sizeof(__pyx_k__bilex_fe), 0, 0, 1, 1},
   {&__pyx_n_s__by_slack_factor, __pyx_k__by_slack_factor, sizeof(__pyx_k__by_slack_factor), 0, 0, 1, 1},
   {&__pyx_n_s__category, __pyx_k__category, sizeof(__pyx_k__category), 0, 0, 1, 1},
   {&__pyx_n_s__chain, __pyx_k__chain, sizeof(__pyx_k__chain), 0, 0, 1, 1},
@@ -66607,22 +79486,38 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__debug, __pyx_k__debug, sizeof(__pyx_k__debug), 0, 0, 1, 1},
   {&__pyx_n_s__decode_lattice, __pyx_k__decode_lattice, sizeof(__pyx_k__decode_lattice), 0, 0, 1, 1},
   {&__pyx_n_s__decode_sentence, __pyx_k__decode_sentence, sizeof(__pyx_k__decode_sentence), 0, 0, 1, 1},
+  {&__pyx_n_s__decode_words, __pyx_k__decode_words, sizeof(__pyx_k__decode_words), 0, 0, 1, 1},
   {&__pyx_n_s__defaultdict, __pyx_k__defaultdict, sizeof(__pyx_k__defaultdict), 0, 0, 1, 1},
   {&__pyx_n_s__dist, __pyx_k__dist, sizeof(__pyx_k__dist), 0, 0, 1, 1},
+  {&__pyx_n_s__dump_online_rules, __pyx_k__dump_online_rules, sizeof(__pyx_k__dump_online_rules), 0, 0, 1, 1},
   {&__pyx_n_s__e, __pyx_k__e, sizeof(__pyx_k__e), 0, 0, 1, 1},
+  {&__pyx_n_s__e_i, __pyx_k__e_i, sizeof(__pyx_k__e_i), 0, 0, 1, 1},
+  {&__pyx_n_s__e_j, __pyx_k__e_j, sizeof(__pyx_k__e_j), 0, 0, 1, 1},
+  {&__pyx_n_s__e_span, __pyx_k__e_span, sizeof(__pyx_k__e_span), 0, 0, 1, 1},
   {&__pyx_n_s__e_text, __pyx_k__e_text, sizeof(__pyx_k__e_text), 0, 0, 1, 1},
+  {&__pyx_n_s__e_words, __pyx_k__e_words, sizeof(__pyx_k__e_words), 0, 0, 1, 1},
   {&__pyx_n_s__earray, __pyx_k__earray, sizeof(__pyx_k__earray), 0, 0, 1, 1},
   {&__pyx_n_s__edarray, __pyx_k__edarray, sizeof(__pyx_k__edarray), 0, 0, 1, 1},
+  {&__pyx_n_s__encode_words, __pyx_k__encode_words, sizeof(__pyx_k__encode_words), 0, 0, 1, 1},
   {&__pyx_n_s__end, __pyx_k__end, sizeof(__pyx_k__end), 0, 0, 1, 1},
   {&__pyx_n_s__enumerate, __pyx_k__enumerate, sizeof(__pyx_k__enumerate), 0, 0, 1, 1},
   {&__pyx_n_s__ephrase, __pyx_k__ephrase, sizeof(__pyx_k__ephrase), 0, 0, 1, 1},
   {&__pyx_n_s__eword, __pyx_k__eword, sizeof(__pyx_k__eword), 0, 0, 1, 1},
   {&__pyx_n_s__extend, __pyx_k__extend, sizeof(__pyx_k__extend), 0, 0, 1, 1},
   {&__pyx_n_s__extended, __pyx_k__extended, sizeof(__pyx_k__extended), 0, 0, 1, 1},
+  {&__pyx_n_s__extract, __pyx_k__extract, sizeof(__pyx_k__extract), 0, 0, 1, 1},
   {&__pyx_n_s__f, __pyx_k__f, sizeof(__pyx_k__f), 0, 0, 1, 1},
+  {&__pyx_n_s__f_i, __pyx_k__f_i, sizeof(__pyx_k__f_i), 0, 0, 1, 1},
+  {&__pyx_n_s__f_j, __pyx_k__f_j, sizeof(__pyx_k__f_j), 0, 0, 1, 1},
+  {&__pyx_n_s__f_span, __pyx_k__f_span, sizeof(__pyx_k__f_span), 0, 0, 1, 1},
   {&__pyx_n_s__f_text, __pyx_k__f_text, sizeof(__pyx_k__f_text), 0, 0, 1, 1},
+  {&__pyx_n_s__f_words, __pyx_k__f_words, sizeof(__pyx_k__f_words), 0, 0, 1, 1},
   {&__pyx_n_s__fcount, __pyx_k__fcount, sizeof(__pyx_k__fcount), 0, 0, 1, 1},
+  {&__pyx_n_s__fe, __pyx_k__fe, sizeof(__pyx_k__fe), 0, 0, 1, 1},
   {&__pyx_n_s__filename, __pyx_k__filename, sizeof(__pyx_k__filename), 0, 0, 1, 1},
+  {&__pyx_n_s__fmt_rule, __pyx_k__fmt_rule, sizeof(__pyx_k__fmt_rule), 0, 0, 1, 1},
+  {&__pyx_n_s__form_rule, __pyx_k__form_rule, sizeof(__pyx_k__form_rule), 0, 0, 1, 1},
+  {&__pyx_n_s__format, __pyx_k__format, sizeof(__pyx_k__format), 0, 0, 1, 1},
   {&__pyx_n_s__fphrase, __pyx_k__fphrase, sizeof(__pyx_k__fphrase), 0, 0, 1, 1},
   {&__pyx_n_s__from_binary, __pyx_k__from_binary, sizeof(__pyx_k__from_binary), 0, 0, 1, 1},
   {&__pyx_n_s__from_data, __pyx_k__from_data, sizeof(__pyx_k__from_data), 0, 0, 1, 1},
@@ -66636,9 +79531,11 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__fwords, __pyx_k__fwords, sizeof(__pyx_k__fwords), 0, 0, 1, 1},
   {&__pyx_n_s__gc, __pyx_k__gc, sizeof(__pyx_k__gc), 0, 0, 1, 1},
   {&__pyx_n_s__genexpr, __pyx_k__genexpr, sizeof(__pyx_k__genexpr), 0, 0, 1, 1},
+  {&__pyx_n_s__get, __pyx_k__get, sizeof(__pyx_k__get), 0, 0, 1, 1},
   {&__pyx_n_s__getLogger, __pyx_k__getLogger, sizeof(__pyx_k__getLogger), 0, 0, 1, 1},
   {&__pyx_n_s__get_e_id, __pyx_k__get_e_id, sizeof(__pyx_k__get_e_id), 0, 0, 1, 1},
   {&__pyx_n_s__get_f_id, __pyx_k__get_f_id, sizeof(__pyx_k__get_f_id), 0, 0, 1, 1},
+  {&__pyx_n_s__get_f_phrases, __pyx_k__get_f_phrases, sizeof(__pyx_k__get_f_phrases), 0, 0, 1, 1},
   {&__pyx_n_s__get_id, __pyx_k__get_id, sizeof(__pyx_k__get_id), 0, 0, 1, 1},
   {&__pyx_n_s__get_next_states, __pyx_k__get_next_states, sizeof(__pyx_k__get_next_states), 0, 0, 1, 1},
   {&__pyx_n_s__get_word, __pyx_k__get_word, sizeof(__pyx_k__get_word), 0, 0, 1, 1},
@@ -66658,15 +79555,23 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__input_span, __pyx_k__input_span, sizeof(__pyx_k__input_span), 0, 0, 1, 1},
   {&__pyx_n_s__insert, __pyx_k__insert, sizeof(__pyx_k__insert), 0, 0, 1, 1},
   {&__pyx_n_s__isa, __pyx_k__isa, sizeof(__pyx_k__isa), 0, 0, 1, 1},
+  {&__pyx_n_s__isvar, __pyx_k__isvar, sizeof(__pyx_k__isvar), 0, 0, 1, 1},
   {&__pyx_n_s__iteritems, __pyx_k__iteritems, sizeof(__pyx_k__iteritems), 0, 0, 1, 1},
   {&__pyx_n_s__itertools, __pyx_k__itertools, sizeof(__pyx_k__itertools), 0, 0, 1, 1},
   {&__pyx_n_s__itervalues, __pyx_k__itervalues, sizeof(__pyx_k__itervalues), 0, 0, 1, 1},
   {&__pyx_n_s__ito, __pyx_k__ito, sizeof(__pyx_k__ito), 0, 0, 1, 1},
   {&__pyx_n_s__j, __pyx_k__j, sizeof(__pyx_k__j), 0, 0, 1, 1},
   {&__pyx_n_s__join, __pyx_k__join, sizeof(__pyx_k__join), 0, 0, 1, 1},
+  {&__pyx_n_s__k, __pyx_k__k, sizeof(__pyx_k__k), 0, 0, 1, 1},
   {&__pyx_n_s__key, __pyx_k__key, sizeof(__pyx_k__key), 0, 0, 1, 1},
   {&__pyx_n_s__lattice, __pyx_k__lattice, sizeof(__pyx_k__lattice), 0, 0, 1, 1},
+  {&__pyx_n_s__lex_i, __pyx_k__lex_i, sizeof(__pyx_k__lex_i), 0, 0, 1, 1},
+  {&__pyx_n_s__lex_j, __pyx_k__lex_j, sizeof(__pyx_k__lex_j), 0, 0, 1, 1},
   {&__pyx_n_s__lhs, __pyx_k__lhs, sizeof(__pyx_k__lhs), 0, 0, 1, 1},
+  {&__pyx_n_s__link, __pyx_k__link, sizeof(__pyx_k__link), 0, 0, 1, 1},
+  {&__pyx_n_s__link_i, __pyx_k__link_i, sizeof(__pyx_k__link_i), 0, 0, 1, 1},
+  {&__pyx_n_s__link_j, __pyx_k__link_j, sizeof(__pyx_k__link_j), 0, 0, 1, 1},
+  {&__pyx_n_s__links, __pyx_k__links, sizeof(__pyx_k__links), 0, 0, 1, 1},
   {&__pyx_n_s__logger, __pyx_k__logger, sizeof(__pyx_k__logger), 0, 0, 1, 1},
   {&__pyx_n_s__logging, __pyx_k__logging, sizeof(__pyx_k__logging), 0, 0, 1, 1},
   {&__pyx_n_s__lookup, __pyx_k__lookup, sizeof(__pyx_k__lookup), 0, 0, 1, 1},
@@ -66683,14 +79588,27 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__max_target_length, __pyx_k__max_target_length, sizeof(__pyx_k__max_target_length), 0, 0, 1, 1},
   {&__pyx_n_s__merge, __pyx_k__merge, sizeof(__pyx_k__merge), 0, 0, 1, 1},
   {&__pyx_n_s__meta, __pyx_k__meta, sizeof(__pyx_k__meta), 0, 0, 1, 1},
+  {&__pyx_n_s__min_bound, __pyx_k__min_bound, sizeof(__pyx_k__min_bound), 0, 0, 1, 1},
   {&__pyx_n_s__min_dist, __pyx_k__min_dist, sizeof(__pyx_k__min_dist), 0, 0, 1, 1},
   {&__pyx_n_s__min_gap_size, __pyx_k__min_gap_size, sizeof(__pyx_k__min_gap_size), 0, 0, 1, 1},
   {&__pyx_n_s__monitor_cpu, __pyx_k__monitor_cpu, sizeof(__pyx_k__monitor_cpu), 0, 0, 1, 1},
   {&__pyx_n_s__name, __pyx_k__name, sizeof(__pyx_k__name), 0, 0, 1, 1},
   {&__pyx_n_s__namedtuple, __pyx_k__namedtuple, sizeof(__pyx_k__namedtuple), 0, 0, 1, 1},
+  {&__pyx_n_s__new_e_i, __pyx_k__new_e_i, sizeof(__pyx_k__new_e_i), 0, 0, 1, 1},
+  {&__pyx_n_s__new_e_j, __pyx_k__new_e_j, sizeof(__pyx_k__new_e_j), 0, 0, 1, 1},
+  {&__pyx_n_s__new_lex_i, __pyx_k__new_lex_i, sizeof(__pyx_k__new_lex_i), 0, 0, 1, 1},
+  {&__pyx_n_s__new_lex_j, __pyx_k__new_lex_j, sizeof(__pyx_k__new_lex_j), 0, 0, 1, 1},
+  {&__pyx_n_s__new_min_bound, __pyx_k__new_min_bound, sizeof(__pyx_k__new_min_bound), 0, 0, 1, 1},
   {&__pyx_n_s__next_states, __pyx_k__next_states, sizeof(__pyx_k__next_states), 0, 0, 1, 1},
+  {&__pyx_n_s__nt, __pyx_k__nt, sizeof(__pyx_k__nt), 0, 0, 1, 1},
+  {&__pyx_n_s__nt_collision, __pyx_k__nt_collision, sizeof(__pyx_k__nt_collision), 0, 0, 1, 1},
+  {&__pyx_n_s__nt_open, __pyx_k__nt_open, sizeof(__pyx_k__nt_open), 0, 0, 1, 1},
+  {&__pyx_n_s__ntc, __pyx_k__ntc, sizeof(__pyx_k__ntc), 0, 0, 1, 1},
   {&__pyx_n_s__num_subpatterns, __pyx_k__num_subpatterns, sizeof(__pyx_k__num_subpatterns), 0, 0, 1, 1},
   {&__pyx_n_s__offset, __pyx_k__offset, sizeof(__pyx_k__offset), 0, 0, 1, 1},
+  {&__pyx_n_s__old_last_nt, __pyx_k__old_last_nt, sizeof(__pyx_k__old_last_nt), 0, 0, 1, 1},
+  {&__pyx_n_s__online, __pyx_k__online, sizeof(__pyx_k__online), 0, 0, 1, 1},
+  {&__pyx_n_s__online_ctx_lookup, __pyx_k__online_ctx_lookup, sizeof(__pyx_k__online_ctx_lookup), 0, 0, 1, 1},
   {&__pyx_n_s__open, __pyx_k__open, sizeof(__pyx_k__open), 0, 0, 1, 1},
   {&__pyx_n_s__pad, __pyx_k__pad, sizeof(__pyx_k__pad), 0, 0, 1, 1},
   {&__pyx_n_s__paircount, __pyx_k__paircount, sizeof(__pyx_k__paircount), 0, 0, 1, 1},
@@ -66700,6 +79618,8 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__pattern2phrase_plus, __pyx_k__pattern2phrase_plus, sizeof(__pyx_k__pattern2phrase_plus), 0, 0, 1, 1},
   {&__pyx_n_s__phrase, __pyx_k__phrase, sizeof(__pyx_k__phrase), 0, 0, 1, 1},
   {&__pyx_n_s__phrase_location, __pyx_k__phrase_location, sizeof(__pyx_k__phrase_location), 0, 0, 1, 1},
+  {&__pyx_n_s__plus_links, __pyx_k__plus_links, sizeof(__pyx_k__plus_links), 0, 0, 1, 1},
+  {&__pyx_n_s__pop, __pyx_k__pop, sizeof(__pyx_k__pop), 0, 0, 1, 1},
   {&__pyx_n_s__precompute, __pyx_k__precompute, sizeof(__pyx_k__precompute), 0, 0, 1, 1},
   {&__pyx_n_s__precompute_file, __pyx_k__precompute_file, sizeof(__pyx_k__precompute_file), 0, 0, 1, 1},
   {&__pyx_n_s__precompute_rank, __pyx_k__precompute_rank, sizeof(__pyx_k__precompute_rank), 0, 0, 1, 1},
@@ -66734,12 +79654,17 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__skip, __pyx_k__skip, sizeof(__pyx_k__skip), 0, 0, 1, 1},
   {&__pyx_n_s__sorted, __pyx_k__sorted, sizeof(__pyx_k__sorted), 0, 0, 1, 1},
   {&__pyx_n_s__source, __pyx_k__source, sizeof(__pyx_k__source), 0, 0, 1, 1},
+  {&__pyx_n_s__span_check, __pyx_k__span_check, sizeof(__pyx_k__span_check), 0, 0, 1, 1},
+  {&__pyx_n_s__span_dec, __pyx_k__span_dec, sizeof(__pyx_k__span_dec), 0, 0, 1, 1},
+  {&__pyx_n_s__span_inc, __pyx_k__span_inc, sizeof(__pyx_k__span_inc), 0, 0, 1, 1},
   {&__pyx_n_s__spanlen, __pyx_k__spanlen, sizeof(__pyx_k__spanlen), 0, 0, 1, 1},
   {&__pyx_n_s__split, __pyx_k__split, sizeof(__pyx_k__split), 0, 0, 1, 1},
   {&__pyx_n_s__start, __pyx_k__start, sizeof(__pyx_k__start), 0, 0, 1, 1},
   {&__pyx_n_s__stats, __pyx_k__stats, sizeof(__pyx_k__stats), 0, 0, 1, 1},
   {&__pyx_n_s__stop, __pyx_k__stop, sizeof(__pyx_k__stop), 0, 0, 1, 1},
   {&__pyx_n_s__suffix_link, __pyx_k__suffix_link, sizeof(__pyx_k__suffix_link), 0, 0, 1, 1},
+  {&__pyx_n_s__sym, __pyx_k__sym, sizeof(__pyx_k__sym), 0, 0, 1, 1},
+  {&__pyx_n_s__syms, __pyx_k__syms, sizeof(__pyx_k__syms), 0, 0, 1, 1},
   {&__pyx_n_s__test_sentence, __pyx_k__test_sentence, sizeof(__pyx_k__test_sentence), 0, 0, 1, 1},
   {&__pyx_n_s__tight_phrases, __pyx_k__tight_phrases, sizeof(__pyx_k__tight_phrases), 0, 0, 1, 1},
   {&__pyx_n_s__toMap, __pyx_k__toMap, sizeof(__pyx_k__toMap), 0, 0, 1, 1},
@@ -66750,14 +79675,18 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__use_index, __pyx_k__use_index, sizeof(__pyx_k__use_index), 0, 0, 1, 1},
   {&__pyx_n_s__use_sent_id, __pyx_k__use_sent_id, sizeof(__pyx_k__use_sent_id), 0, 0, 1, 1},
   {&__pyx_n_s__value, __pyx_k__value, sizeof(__pyx_k__value), 0, 0, 1, 1},
+  {&__pyx_n_s__vec, __pyx_k__vec, sizeof(__pyx_k__vec), 0, 0, 1, 1},
   {&__pyx_n_s__w, __pyx_k__w, sizeof(__pyx_k__w), 0, 0, 1, 1},
   {&__pyx_n_s__warn, __pyx_k__warn, sizeof(__pyx_k__warn), 0, 0, 1, 1},
+  {&__pyx_n_s__wc, __pyx_k__wc, sizeof(__pyx_k__wc), 0, 0, 1, 1},
   {&__pyx_n_s__word, __pyx_k__word, sizeof(__pyx_k__word), 0, 0, 1, 1},
   {&__pyx_n_s__word_alignments, __pyx_k__word_alignments, sizeof(__pyx_k__word_alignments), 0, 0, 1, 1},
   {&__pyx_n_s__word_ids, __pyx_k__word_ids, sizeof(__pyx_k__word_ids), 0, 0, 1, 1},
   {&__pyx_n_s__words, __pyx_k__words, sizeof(__pyx_k__words), 0, 0, 1, 1},
   {&__pyx_n_s__write, __pyx_k__write, sizeof(__pyx_k__write), 0, 0, 1, 1},
   {&__pyx_n_s__write_text, __pyx_k__write_text, sizeof(__pyx_k__write_text), 0, 0, 1, 1},
+  {&__pyx_n_s__x, __pyx_k__x, sizeof(__pyx_k__x), 0, 0, 1, 1},
+  {&__pyx_n_s__y, __pyx_k__y, sizeof(__pyx_k__y), 0, 0, 1, 1},
   {&__pyx_n_s__zip, __pyx_k__zip, sizeof(__pyx_k__zip), 0, 0, 1, 1},
   {0, 0, 0, 0, 0, 0, 0}
 };
@@ -66772,8 +79701,8 @@ static int __Pyx_InitCachedBuiltins(void) {
   __pyx_builtin_zip = __Pyx_GetName(__pyx_b, __pyx_n_s__zip); if (!__pyx_builtin_zip) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_StopIteration = __Pyx_GetName(__pyx_b, __pyx_n_s__StopIteration); if (!__pyx_builtin_StopIteration) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_cmp = __Pyx_GetName(__pyx_b, __pyx_n_s__cmp); if (!__pyx_builtin_cmp) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_sorted = __Pyx_GetName(__pyx_b, __pyx_n_s__sorted); if (!__pyx_builtin_sorted) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 932; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_max = __Pyx_GetName(__pyx_b, __pyx_n_s__max); if (!__pyx_builtin_max) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_sorted = __Pyx_GetName(__pyx_b, __pyx_n_s__sorted); if (!__pyx_builtin_sorted) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 971; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_max = __Pyx_GetName(__pyx_b, __pyx_n_s__max); if (!__pyx_builtin_max) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   return 0;
   __pyx_L1_error:;
   return -1;
@@ -67493,48 +80422,285 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_98));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":109
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":119
  *             logger.info("Sampling strategy: uniform, max sample size = %d", sample_size)
  *         else:
  *             logger.info("Sampling strategy: no sampling")             # <<<<<<<<<<<<<<
  * 
  *     def sample(self, PhraseLocation phrase_location):
  */
-  __pyx_k_tuple_102 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_102)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_102 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_102)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_102);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_101));
   PyTuple_SET_ITEM(__pyx_k_tuple_102, 0, ((PyObject *)__pyx_kp_s_101));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_101));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_102));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":319
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":339
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")             # <<<<<<<<<<<<<<
  *         self.alignment = alignment
  * 
  */
-  __pyx_k_tuple_107 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_107)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 319; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_107 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_107)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_107);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_106));
   PyTuple_SET_ITEM(__pyx_k_tuple_107, 0, ((PyObject *)__pyx_kp_s_106));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_106));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_107));
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1020
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1064
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
  *                 # checking whether lookup_required
  *                 if lookup_required:
  */
-  __pyx_k_tuple_122 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_122)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_122 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_122)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_122);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_121));
   PyTuple_SET_ITEM(__pyx_k_tuple_122, 0, ((PyObject *)__pyx_kp_s_121));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_121));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_122));
 
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":1918
+ *         # f_ i and j are current, e_ i and j are previous
+ *         # We care _considering_ f_j, so it is not yet in counts
+ *         def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+  __pyx_k_tuple_135 = PyTuple_New(19); if (unlikely(!__pyx_k_tuple_135)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_135);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 0, ((PyObject *)__pyx_n_s__f_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 1, ((PyObject *)__pyx_n_s__f_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__e_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 2, ((PyObject *)__pyx_n_s__e_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__e_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__e_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 3, ((PyObject *)__pyx_n_s__e_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__e_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__min_bound));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 4, ((PyObject *)__pyx_n_s__min_bound));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__min_bound));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__wc));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 5, ((PyObject *)__pyx_n_s__wc));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__wc));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__links));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 6, ((PyObject *)__pyx_n_s__links));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__links));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__nt));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 7, ((PyObject *)__pyx_n_s__nt));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__nt));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__nt_open));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 8, ((PyObject *)__pyx_n_s__nt_open));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__nt_open));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__link_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 9, ((PyObject *)__pyx_n_s__link_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__link_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__link_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 10, ((PyObject *)__pyx_n_s__link_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__link_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__new_e_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 11, ((PyObject *)__pyx_n_s__new_e_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__new_e_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__new_e_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 12, ((PyObject *)__pyx_n_s__new_e_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__new_e_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__new_min_bound));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 13, ((PyObject *)__pyx_n_s__new_min_bound));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__new_min_bound));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 14, ((PyObject *)__pyx_n_s__i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__nt_collision));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 15, ((PyObject *)__pyx_n_s__nt_collision));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__nt_collision));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__link));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 16, ((PyObject *)__pyx_n_s__link));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__link));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__plus_links));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 17, ((PyObject *)__pyx_n_s__plus_links));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__plus_links));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__old_last_nt));
+  PyTuple_SET_ITEM(__pyx_k_tuple_135, 18, ((PyObject *)__pyx_n_s__old_last_nt));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__old_last_nt));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_135));
+  __pyx_k_codeobj_136 = (PyObject*)__Pyx_PyCode_New(9, 0, 19, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_135, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__extract, 1918, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_136)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1918; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2125
+ *     # Debugging
+ *     def dump_online_stats(self):
+ *         logger.info('------------------------------')             # <<<<<<<<<<<<<<
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')
+ */
+  __pyx_k_tuple_141 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_141)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_141);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_140));
+  PyTuple_SET_ITEM(__pyx_k_tuple_141, 0, ((PyObject *)__pyx_kp_s_140));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_140));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_141));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2126
+ *     def dump_online_stats(self):
+ *         logger.info('------------------------------')
+ *         logger.info('         Online Stats         ')             # <<<<<<<<<<<<<<
+ *         logger.info('------------------------------')
+ *         logger.info('f')
+ */
+  __pyx_k_tuple_143 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_143)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_143);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_142));
+  PyTuple_SET_ITEM(__pyx_k_tuple_143, 0, ((PyObject *)__pyx_kp_s_142));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_142));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_143));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2127
+ *         logger.info('------------------------------')
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')             # <<<<<<<<<<<<<<
+ *         logger.info('f')
+ *         for w in self.bilex_f:
+ */
+  __pyx_k_tuple_144 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_144)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_144);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_140));
+  PyTuple_SET_ITEM(__pyx_k_tuple_144, 0, ((PyObject *)__pyx_kp_s_140));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_140));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_144));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2128
+ *         logger.info('         Online Stats         ')
+ *         logger.info('------------------------------')
+ *         logger.info('f')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_f:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ */
+  __pyx_k_tuple_145 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_145)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_145);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f));
+  PyTuple_SET_ITEM(__pyx_k_tuple_145, 0, ((PyObject *)__pyx_n_s__f));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_145));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2131
+ *         for w in self.bilex_f:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+ *         logger.info('e')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_e:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ */
+  __pyx_k_tuple_147 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_147)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_147);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__e));
+  PyTuple_SET_ITEM(__pyx_k_tuple_147, 0, ((PyObject *)__pyx_n_s__e));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__e));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_147));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2134
+ *         for w in self.bilex_e:
+ *             logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+ *         logger.info('fe')             # <<<<<<<<<<<<<<
+ *         for w in self.bilex_fe:
+ *             for w2 in self.bilex_fe[w]:
+ */
+  __pyx_k_tuple_148 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_148)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_148);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__fe));
+  PyTuple_SET_ITEM(__pyx_k_tuple_148, 0, ((PyObject *)__pyx_n_s__fe));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__fe));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_148));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2138
+ *             for w2 in self.bilex_fe[w]:
+ *                 logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+ *         logger.info('F')             # <<<<<<<<<<<<<<
+ *         for ph in self.phrases_f:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ */
+  __pyx_k_tuple_149 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_149)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_149);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__F));
+  PyTuple_SET_ITEM(__pyx_k_tuple_149, 0, ((PyObject *)__pyx_n_s__F));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__F));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_149));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2141
+ *         for ph in self.phrases_f:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+ *         logger.info('E')             # <<<<<<<<<<<<<<
+ *         for ph in self.phrases_e:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ */
+  __pyx_k_tuple_150 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_150)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_150);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__E));
+  PyTuple_SET_ITEM(__pyx_k_tuple_150, 0, ((PyObject *)__pyx_n_s__E));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__E));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_150));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2144
+ *         for ph in self.phrases_e:
+ *             logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+ *         logger.info('FE')             # <<<<<<<<<<<<<<
+ *         self.dump_online_rules()
+ * 
+ */
+  __pyx_k_tuple_151 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_151)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2144; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_151);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__FE));
+  PyTuple_SET_ITEM(__pyx_k_tuple_151, 0, ((PyObject *)__pyx_n_s__FE));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__FE));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_151));
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2171
+ *         phrases = set() # (fphrase, lex_i, lex_j)
+ * 
+ *         def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):             # <<<<<<<<<<<<<<
+ *             # Phrase extraction limits
+ *             if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+ */
+  __pyx_k_tuple_153 = PyTuple_New(10); if (unlikely(!__pyx_k_tuple_153)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_153);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 0, ((PyObject *)__pyx_n_s__f_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 1, ((PyObject *)__pyx_n_s__f_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__lex_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 2, ((PyObject *)__pyx_n_s__lex_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__lex_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__lex_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 3, ((PyObject *)__pyx_n_s__lex_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__lex_j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__wc));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 4, ((PyObject *)__pyx_n_s__wc));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__wc));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__ntc));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 5, ((PyObject *)__pyx_n_s__ntc));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__ntc));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__syms));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 6, ((PyObject *)__pyx_n_s__syms));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__syms));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__f));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 7, ((PyObject *)__pyx_n_s__f));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__f));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__new_lex_i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 8, ((PyObject *)__pyx_n_s__new_lex_i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__new_lex_i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__new_lex_j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_153, 9, ((PyObject *)__pyx_n_s__new_lex_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__new_lex_j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_153));
+  __pyx_k_codeobj_154 = (PyObject*)__Pyx_PyCode_New(7, 0, 10, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_153, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__extract, 2171, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_154)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
   /* "_sa.pyx":5
  * import gzip
  * 
@@ -67542,7 +80708,7 @@ static int __Pyx_InitCachedConstants(void) {
  *     return (resource.getrusage(resource.RUSAGE_SELF).ru_utime+
  *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
  */
-  __pyx_k_codeobj_136 = (PyObject*)__Pyx_PyCode_New(0, 0, 0, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__monitor_cpu, 5, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_136)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_codeobj_156 = (PyObject*)__Pyx_PyCode_New(0, 0, 0, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_157, __pyx_n_s__monitor_cpu, 5, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_156)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
   /* "_sa.pyx":9
  *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
@@ -67551,16 +80717,16 @@ static int __Pyx_InitCachedConstants(void) {
  *     if filename.endswith('.gz'):
  *         return gzip.GzipFile(filename)
  */
-  __pyx_k_tuple_138 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_138)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_138);
+  __pyx_k_tuple_158 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_158)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_158);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__filename));
-  PyTuple_SET_ITEM(__pyx_k_tuple_138, 0, ((PyObject *)__pyx_n_s__filename));
+  PyTuple_SET_ITEM(__pyx_k_tuple_158, 0, ((PyObject *)__pyx_n_s__filename));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__filename));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__filename));
-  PyTuple_SET_ITEM(__pyx_k_tuple_138, 1, ((PyObject *)__pyx_n_s__filename));
+  PyTuple_SET_ITEM(__pyx_k_tuple_158, 1, ((PyObject *)__pyx_n_s__filename));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__filename));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_138));
-  __pyx_k_codeobj_139 = (PyObject*)__Pyx_PyCode_New(1, 0, 2, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_138, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__gzip_or_text, 9, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_139)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_158));
+  __pyx_k_codeobj_159 = (PyObject*)__Pyx_PyCode_New(1, 0, 2, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_158, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_157, __pyx_n_s__gzip_or_text, 9, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_159)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
   /* "_sa.pyx":15
  *         return open(filename)
@@ -67569,80 +80735,209 @@ static int __Pyx_InitCachedConstants(void) {
  * 
  * include "float_list.pxi"
  */
-  __pyx_k_tuple_141 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_141)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_141);
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_140));
-  PyTuple_SET_ITEM(__pyx_k_tuple_141, 0, ((PyObject *)__pyx_kp_s_140));
-  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_140));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_141));
+  __pyx_k_tuple_161 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_161)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_161);
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_160));
+  PyTuple_SET_ITEM(__pyx_k_tuple_161, 0, ((PyObject *)__pyx_kp_s_160));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_160));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_161));
 
   /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":107
  *     return ALPHABET.fromstring(string, terminal)
  * 
+ * def isvar(sym):             # <<<<<<<<<<<<<<
+ *     return sym_isvar(sym)
+ * 
+ */
+  __pyx_k_tuple_162 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_162)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_162);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__sym));
+  PyTuple_SET_ITEM(__pyx_k_tuple_162, 0, ((PyObject *)__pyx_n_s__sym));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__sym));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_162));
+  __pyx_k_codeobj_163 = (PyObject*)__Pyx_PyCode_New(1, 0, 1, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_162, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__isvar, 107, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_163)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":110
+ *     return sym_isvar(sym)
+ * 
  * def make_lattice(words):             # <<<<<<<<<<<<<<
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)
  */
-  __pyx_k_tuple_142 = PyTuple_New(5); if (unlikely(!__pyx_k_tuple_142)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_142);
+  __pyx_k_tuple_165 = PyTuple_New(5); if (unlikely(!__pyx_k_tuple_165)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_165);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__words));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 0, ((PyObject *)__pyx_n_s__words));
+  PyTuple_SET_ITEM(__pyx_k_tuple_165, 0, ((PyObject *)__pyx_n_s__words));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__words));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__word_ids));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 1, ((PyObject *)__pyx_n_s__word_ids));
+  PyTuple_SET_ITEM(__pyx_k_tuple_165, 1, ((PyObject *)__pyx_n_s__word_ids));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__word_ids));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 2, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_165, 2, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 3, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_165, 3, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 4, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_165, 4, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_142));
-  __pyx_k_codeobj_143 = (PyObject*)__Pyx_PyCode_New(1, 0, 5, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_142, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_144, __pyx_n_s__make_lattice, 107, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_143)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_165));
+  __pyx_k_codeobj_166 = (PyObject*)__Pyx_PyCode_New(1, 0, 5, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_165, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__make_lattice, 110, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_166)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":114
  *     return tuple(((word, None, 1), ) for word in word_ids)
  * 
  * def decode_lattice(lattice):             # <<<<<<<<<<<<<<
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc
  *             for arc in node for node in lattice)
  */
-  __pyx_k_tuple_145 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_145)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_145);
+  __pyx_k_tuple_167 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_167)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_167);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__lattice));
-  PyTuple_SET_ITEM(__pyx_k_tuple_145, 0, ((PyObject *)__pyx_n_s__lattice));
+  PyTuple_SET_ITEM(__pyx_k_tuple_167, 0, ((PyObject *)__pyx_n_s__lattice));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__lattice));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_145, 1, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_167, 1, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_145, 2, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_167, 2, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_145));
-  __pyx_k_codeobj_146 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_145, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_144, __pyx_n_s__decode_lattice, 111, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_146)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_167));
+  __pyx_k_codeobj_168 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_167, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__decode_lattice, 114, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_168)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":118
  *             for arc in node for node in lattice)
  * 
  * def decode_sentence(lattice):             # <<<<<<<<<<<<<<
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
  */
-  __pyx_k_tuple_147 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_147)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_147);
+  __pyx_k_tuple_169 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_169)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_169);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__lattice));
-  PyTuple_SET_ITEM(__pyx_k_tuple_147, 0, ((PyObject *)__pyx_n_s__lattice));
+  PyTuple_SET_ITEM(__pyx_k_tuple_169, 0, ((PyObject *)__pyx_n_s__lattice));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__lattice));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_147, 1, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_169, 1, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
-  PyTuple_SET_ITEM(__pyx_k_tuple_147, 2, ((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_169, 2, ((PyObject *)__pyx_n_s__genexpr));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_147));
-  __pyx_k_codeobj_148 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_147, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_144, __pyx_n_s__decode_sentence, 115, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_148)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_169));
+  __pyx_k_codeobj_170 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_169, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__decode_sentence, 118, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_170)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":121
+ *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
+ * def encode_words(words):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ */
+  __pyx_k_tuple_171 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_171)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_171);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__words));
+  PyTuple_SET_ITEM(__pyx_k_tuple_171, 0, ((PyObject *)__pyx_n_s__words));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__words));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_171, 1, ((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_171, 2, ((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_171));
+  __pyx_k_codeobj_172 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_171, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__encode_words, 121, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_172)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":124
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ * def decode_words(syms):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_tostring(sym) for sym in syms)
+ */
+  __pyx_k_tuple_173 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_173)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_173);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__syms));
+  PyTuple_SET_ITEM(__pyx_k_tuple_173, 0, ((PyObject *)__pyx_n_s__syms));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__syms));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_173, 1, ((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__genexpr));
+  PyTuple_SET_ITEM(__pyx_k_tuple_173, 2, ((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__genexpr));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_173));
+  __pyx_k_codeobj_174 = (PyObject*)__Pyx_PyCode_New(1, 0, 3, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_173, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_164, __pyx_n_s__decode_words, 124, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_174)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2205
+ * 
+ * # Spans are _inclusive_ on both ends [i, j]
+ * def span_check(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_k_tuple_176 = PyTuple_New(4); if (unlikely(!__pyx_k_tuple_176)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_176);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__vec));
+  PyTuple_SET_ITEM(__pyx_k_tuple_176, 0, ((PyObject *)__pyx_n_s__vec));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__vec));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_176, 1, ((PyObject *)__pyx_n_s__i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_176, 2, ((PyObject *)__pyx_n_s__j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__k));
+  PyTuple_SET_ITEM(__pyx_k_tuple_176, 3, ((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_176));
+  __pyx_k_codeobj_177 = (PyObject*)__Pyx_PyCode_New(3, 0, 4, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_176, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__span_check, 2205, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_177)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2213
+ *     return True
+ * 
+ * def span_inc(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_k_tuple_178 = PyTuple_New(4); if (unlikely(!__pyx_k_tuple_178)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_178);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__vec));
+  PyTuple_SET_ITEM(__pyx_k_tuple_178, 0, ((PyObject *)__pyx_n_s__vec));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__vec));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_178, 1, ((PyObject *)__pyx_n_s__i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_178, 2, ((PyObject *)__pyx_n_s__j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__k));
+  PyTuple_SET_ITEM(__pyx_k_tuple_178, 3, ((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_178));
+  __pyx_k_codeobj_179 = (PyObject*)__Pyx_PyCode_New(3, 0, 4, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_178, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__span_inc, 2213, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_179)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2219
+ *         k += 1
+ * 
+ * def span_dec(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_k_tuple_180 = PyTuple_New(4); if (unlikely(!__pyx_k_tuple_180)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_180);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__vec));
+  PyTuple_SET_ITEM(__pyx_k_tuple_180, 0, ((PyObject *)__pyx_n_s__vec));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__vec));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__i));
+  PyTuple_SET_ITEM(__pyx_k_tuple_180, 1, ((PyObject *)__pyx_n_s__i));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__i));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__j));
+  PyTuple_SET_ITEM(__pyx_k_tuple_180, 2, ((PyObject *)__pyx_n_s__j));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__j));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__k));
+  PyTuple_SET_ITEM(__pyx_k_tuple_180, 3, ((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__k));
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_180));
+  __pyx_k_codeobj_181 = (PyObject*)__Pyx_PyCode_New(3, 0, 4, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_180, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_137, __pyx_n_s__span_dec, 2219, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_181)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_RefNannyFinishContext();
   return 0;
   __pyx_L1_error:;
@@ -67863,24 +81158,24 @@ PyMODINIT_FUNC PyInit__sa(void)
   if (__Pyx_SetVtable(__pyx_type_3_sa_SuffixArray.tp_dict, __pyx_vtabptr_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__Pyx_SetAttrString(__pyx_m, "SuffixArray", (PyObject *)&__pyx_type_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_SuffixArray = &__pyx_type_3_sa_SuffixArray;
-  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_TrieNode = &__pyx_type_3_sa_TrieNode;
   __pyx_type_3_sa_ExtendedTrieNode.tp_base = __pyx_ptype_3_sa_TrieNode;
-  if (PyType_Ready(&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_ExtendedTrieNode = &__pyx_type_3_sa_ExtendedTrieNode;
-  if (PyType_Ready(&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_TrieTable = &__pyx_type_3_sa_TrieTable;
   __pyx_vtabptr_3_sa_PhraseLocation = &__pyx_vtable_3_sa_PhraseLocation;
   __pyx_vtable_3_sa_PhraseLocation.contains = (int (*)(struct __pyx_obj_3_sa_PhraseLocation *, int))__pyx_f_3_sa_14PhraseLocation_contains;
-  if (PyType_Ready(&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_3_sa_PhraseLocation.tp_dict, __pyx_vtabptr_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_PhraseLocation.tp_dict, __pyx_vtabptr_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_PhraseLocation = &__pyx_type_3_sa_PhraseLocation;
-  if (PyType_Ready(&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 96; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_Sampler = &__pyx_type_3_sa_Sampler;
   __pyx_vtabptr_3_sa_HieroCachingRuleFactory = &__pyx_vtable_3_sa_HieroCachingRuleFactory;
   __pyx_vtable_3_sa_HieroCachingRuleFactory.set_idmap = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_DataArray *))__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap;
@@ -67898,9 +81193,9 @@ PyMODINIT_FUNC PyInit__sa(void)
   __pyx_vtable_3_sa_HieroCachingRuleFactory.extract_phrases = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases;
   __pyx_vtable_3_sa_HieroCachingRuleFactory.create_alignments = (struct __pyx_obj_3_sa_IntList *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *))__pyx_f_3_sa_23HieroCachingRuleFactory_create_alignments;
   __pyx_vtable_3_sa_HieroCachingRuleFactory.extract = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_t_3_sa_Matching *, int *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract;
-  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_3_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 228; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 228; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 228; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa_HieroCachingRuleFactory = &__pyx_type_3_sa_HieroCachingRuleFactory;
   __pyx_vtabptr_3_sa_Scorer = &__pyx_vtable_3_sa_Scorer;
   __pyx_vtable_3_sa_Scorer.score = (struct __pyx_obj_3_sa_FeatureVector *(*)(struct __pyx_obj_3_sa_Scorer *, PyObject *))__pyx_f_3_sa_6Scorer_score;
@@ -67916,36 +81211,58 @@ PyMODINIT_FUNC PyInit__sa(void)
   __pyx_ptype_3_sa___pyx_scope_struct_2_genexpr = &__pyx_type_3_sa___pyx_scope_struct_2_genexpr;
   if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_3_compute_stats) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_3_compute_stats = &__pyx_type_3_sa___pyx_scope_struct_3_compute_stats;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_4_make_lattice) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_4_make_lattice) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_4_make_lattice = &__pyx_type_3_sa___pyx_scope_struct_4_make_lattice;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_5_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_5_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_5_genexpr = &__pyx_type_3_sa___pyx_scope_struct_5_genexpr;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_6_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_6_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_6_genexpr = &__pyx_type_3_sa___pyx_scope_struct_6_genexpr;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_7_decode_lattice) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_7_decode_lattice) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_7_decode_lattice = &__pyx_type_3_sa___pyx_scope_struct_7_decode_lattice;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_8_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 112; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_8_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_8_genexpr = &__pyx_type_3_sa___pyx_scope_struct_8_genexpr;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_9_decode_sentence) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_9_decode_sentence) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_9_decode_sentence = &__pyx_type_3_sa___pyx_scope_struct_9_decode_sentence;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_10_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 116; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_10_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_10_genexpr = &__pyx_type_3_sa___pyx_scope_struct_10_genexpr;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_11___iter__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_11___iter__ = &__pyx_type_3_sa___pyx_scope_struct_11___iter__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_12___str__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_12___str__ = &__pyx_type_3_sa___pyx_scope_struct_12___str__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_13_genexpr) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_13_genexpr = &__pyx_type_3_sa___pyx_scope_struct_13_genexpr;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_14_alignments) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_14_alignments = &__pyx_type_3_sa___pyx_scope_struct_14_alignments;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_15_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 934; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_15_input = &__pyx_type_3_sa___pyx_scope_struct_15_input;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_16___iter__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_16___iter__ = &__pyx_type_3_sa___pyx_scope_struct_16___iter__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_17___str__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_17___str__ = &__pyx_type_3_sa___pyx_scope_struct_17___str__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_18_genexpr) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_18_genexpr = &__pyx_type_3_sa___pyx_scope_struct_18_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_11_encode_words) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_11_encode_words = &__pyx_type_3_sa___pyx_scope_struct_11_encode_words;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_12_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_12_genexpr = &__pyx_type_3_sa___pyx_scope_struct_12_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_13_decode_words) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_13_decode_words = &__pyx_type_3_sa___pyx_scope_struct_13_decode_words;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_14_genexpr) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 125; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_14_genexpr = &__pyx_type_3_sa___pyx_scope_struct_14_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_15___iter__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_15___iter__ = &__pyx_type_3_sa___pyx_scope_struct_15___iter__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_16___str__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_16___str__ = &__pyx_type_3_sa___pyx_scope_struct_16___str__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_17_genexpr) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_17_genexpr = &__pyx_type_3_sa___pyx_scope_struct_17_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_18_alignments) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_18_alignments = &__pyx_type_3_sa___pyx_scope_struct_18_alignments;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_19_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 973; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_19_input = &__pyx_type_3_sa___pyx_scope_struct_19_input;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_20_genexpr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_20_genexpr = &__pyx_type_3_sa___pyx_scope_struct_20_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_21_add_instance) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1884; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_21_add_instance = &__pyx_type_3_sa___pyx_scope_struct_21_add_instance;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_22_form_rule) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_22_form_rule = &__pyx_type_3_sa___pyx_scope_struct_22_form_rule;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_23_genexpr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_23_genexpr = &__pyx_type_3_sa___pyx_scope_struct_23_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_24_fmt_rule) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2119; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_24_fmt_rule = &__pyx_type_3_sa___pyx_scope_struct_24_fmt_rule;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_25_genexpr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2120; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_25_genexpr = &__pyx_type_3_sa___pyx_scope_struct_25_genexpr;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_26_get_f_phrases) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2166; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_26_get_f_phrases = &__pyx_type_3_sa___pyx_scope_struct_26_get_f_phrases;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_27___iter__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_27___iter__ = &__pyx_type_3_sa___pyx_scope_struct_27___iter__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_28___str__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_28___str__ = &__pyx_type_3_sa___pyx_scope_struct_28___str__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_29_genexpr) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_29_genexpr = &__pyx_type_3_sa___pyx_scope_struct_29_genexpr;
   /*--- Type import code ---*/
   /*--- Variable import code ---*/
   /*--- Function import code ---*/
@@ -68020,7 +81337,7 @@ PyMODINIT_FUNC PyInit__sa(void)
   __pyx_t_2 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__getLogger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_141), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_k_tuple_161), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__logger, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -68102,36 +81419,72 @@ PyMODINIT_FUNC PyInit__sa(void)
   /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":107
  *     return ALPHABET.fromstring(string, terminal)
  * 
+ * def isvar(sym):             # <<<<<<<<<<<<<<
+ *     return sym_isvar(sym)
+ * 
+ */
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_5isvar, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__isvar, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":110
+ *     return sym_isvar(sym)
+ * 
  * def make_lattice(words):             # <<<<<<<<<<<<<<
  *     word_ids = (sym_fromstring(word, True) for word in words)
  *     return tuple(((word, None, 1), ) for word in word_ids)
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_5make_lattice, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_7make_lattice, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__make_lattice, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__make_lattice, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 110; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":111
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":114
  *     return tuple(((word, None, 1), ) for word in word_ids)
  * 
  * def decode_lattice(lattice):             # <<<<<<<<<<<<<<
  *     return tuple((sym_tostring(sym), weight, dist) for (sym, weight, dist) in arc
  *             for arc in node for node in lattice)
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_7decode_lattice, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_9decode_lattice, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__decode_lattice, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 111; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__decode_lattice, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":115
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":118
  *             for arc in node for node in lattice)
  * 
  * def decode_sentence(lattice):             # <<<<<<<<<<<<<<
  *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
+ */
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_11decode_sentence, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__decode_sentence, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":121
+ *     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+ * 
+ * def encode_words(words):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ */
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_13encode_words, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__encode_words, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/sym.pxi":124
+ *     return tuple(sym_fromstring(word, True) for word in words)
+ * 
+ * def decode_words(syms):             # <<<<<<<<<<<<<<
+ *     return tuple(sym_tostring(sym) for sym in syms)
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_9decode_sentence, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_15decode_words, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__decode_sentence, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 115; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__decode_words, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
   /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":5
@@ -68222,7 +81575,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  *      'ephrase',
  *      'paircount',
  */
-  __pyx_t_1 = PyList_New(12); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(13); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__fphrase));
   PyList_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_n_s__fphrase));
@@ -68260,6 +81613,9 @@ PyMODINIT_FUNC PyInit__sa(void)
   __Pyx_INCREF(((PyObject *)__pyx_n_s__meta));
   PyList_SET_ITEM(__pyx_t_1, 11, ((PyObject *)__pyx_n_s__meta));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__meta));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__online));
+  PyList_SET_ITEM(__pyx_t_1, 12, ((PyObject *)__pyx_n_s__online));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__online));
   __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 14; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__FeatureContext));
@@ -68275,7 +81631,59 @@ PyMODINIT_FUNC PyInit__sa(void)
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__FeatureContext, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 14; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":29
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":30
+ *     ])
+ * 
+ * OnlineFeatureContext = namedtuple('OnlineFeatureContext',             # <<<<<<<<<<<<<<
+ *     ['fcount',
+ *      'fsample_count',
+ */
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__namedtuple); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":31
+ * 
+ * OnlineFeatureContext = namedtuple('OnlineFeatureContext',
+ *     ['fcount',             # <<<<<<<<<<<<<<
+ *      'fsample_count',
+ *      'paircount',
+ */
+  __pyx_t_3 = PyList_New(6); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 31; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__fcount));
+  PyList_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_n_s__fcount));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__fcount));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__fsample_count));
+  PyList_SET_ITEM(__pyx_t_3, 1, ((PyObject *)__pyx_n_s__fsample_count));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__fsample_count));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__paircount));
+  PyList_SET_ITEM(__pyx_t_3, 2, ((PyObject *)__pyx_n_s__paircount));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__paircount));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__bilex_f));
+  PyList_SET_ITEM(__pyx_t_3, 3, ((PyObject *)__pyx_n_s__bilex_f));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__bilex_f));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__bilex_e));
+  PyList_SET_ITEM(__pyx_t_3, 4, ((PyObject *)__pyx_n_s__bilex_e));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__bilex_e));
+  __Pyx_INCREF(((PyObject *)__pyx_n_s__bilex_fe));
+  PyList_SET_ITEM(__pyx_t_3, 5, ((PyObject *)__pyx_n_s__bilex_fe));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__bilex_fe));
+  __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_INCREF(((PyObject *)__pyx_n_s_152));
+  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_n_s_152));
+  __Pyx_GIVEREF(((PyObject *)__pyx_n_s_152));
+  PyTuple_SET_ITEM(__pyx_t_2, 1, ((PyObject *)__pyx_t_3));
+  __Pyx_GIVEREF(((PyObject *)__pyx_t_3));
+  __pyx_t_3 = 0;
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_152, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":39
  *     ])
  * 
  * cdef int PRECOMPUTE = 0             # <<<<<<<<<<<<<<
@@ -68284,7 +81692,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
   __pyx_v_3_sa_PRECOMPUTE = 0;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":30
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":40
  * 
  * cdef int PRECOMPUTE = 0
  * cdef int MERGE = 1             # <<<<<<<<<<<<<<
@@ -68293,7 +81701,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
   __pyx_v_3_sa_MERGE = 1;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":31
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":41
  * cdef int PRECOMPUTE = 0
  * cdef int MERGE = 1
  * cdef int BAEZA_YATES = 2             # <<<<<<<<<<<<<<
@@ -68302,40 +81710,76 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
   __pyx_v_3_sa_BAEZA_YATES = 2;
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":34
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":44
  * 
  * # NOTE: was encoded as a non-terminal in the previous version
  * cdef int EPSILON = sym_fromstring('*EPS*', True)             # <<<<<<<<<<<<<<
  * 
  * cdef class TrieNode:
  */
-  __pyx_v_3_sa_EPSILON = __pyx_f_3_sa_sym_fromstring(__pyx_k_149, 1);
+  __pyx_v_3_sa_EPSILON = __pyx_f_3_sa_sym_fromstring(__pyx_k_175, 1);
 
-  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":57
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":67
  *     cdef public int count
  *     cdef public root
  *     def __cinit__(self, extended=False):             # <<<<<<<<<<<<<<
  *         self.count = 0
  *         self.extended = extended
  */
-  __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 57; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  __pyx_k_99 = __pyx_t_1;
-  __Pyx_GIVEREF(__pyx_t_1);
-  __pyx_t_1 = 0;
+  __pyx_t_3 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  __pyx_k_99 = __pyx_t_3;
+  __Pyx_GIVEREF(__pyx_t_3);
+  __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2205
+ * 
+ * # Spans are _inclusive_ on both ends [i, j]
+ * def span_check(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_t_3 = PyCFunction_NewEx(&__pyx_mdef_3_sa_17span_check, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_check, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2213
+ *     return True
+ * 
+ * def span_inc(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_t_3 = PyCFunction_NewEx(&__pyx_mdef_3_sa_19span_inc, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_inc, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+
+  /* "/home/pauldb/workspace/cdec/python/src/sa/rulefactory.pxi":2219
+ *         k += 1
+ * 
+ * def span_dec(vec, i, j):             # <<<<<<<<<<<<<<
+ *     k = i
+ *     while k <= j:
+ */
+  __pyx_t_3 = PyCFunction_NewEx(&__pyx_mdef_3_sa_21span_dec, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__span_dec, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 2219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":1
  * cdef StringMap FD = StringMap() # Feature name dictionary             # <<<<<<<<<<<<<<
  * 
  * INITIAL_CAPACITY = 7 # default number of features
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
   __Pyx_XGOTREF(((PyObject *)__pyx_v_3_sa_FD));
   __Pyx_DECREF(((PyObject *)__pyx_v_3_sa_FD));
-  __Pyx_GIVEREF(__pyx_t_1);
-  __pyx_v_3_sa_FD = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_1);
-  __pyx_t_1 = 0;
+  __Pyx_GIVEREF(__pyx_t_3);
+  __pyx_v_3_sa_FD = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_3);
+  __pyx_t_3 = 0;
 
   /* "/home/pauldb/workspace/cdec/python/src/sa/features.pxi":3
  * cdef StringMap FD = StringMap() # Feature name dictionary
@@ -68353,20 +81797,20 @@ PyMODINIT_FUNC PyInit__sa(void)
  * 
  * cdef class FeatureVector:
  */
-  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__INITIAL_CAPACITY); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__INCREMENT, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__INITIAL_CAPACITY); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_3);
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__INCREMENT, __pyx_t_3) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
   /* "_sa.pyx":1
  * import logging             # <<<<<<<<<<<<<<
  * import resource
  * import gzip
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_3)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
diff --git a/python/src/sa/default_scorer.pxi b/python/src/sa/default_scorer.pxi
deleted file mode 100644
index 483f4743..00000000
--- a/python/src/sa/default_scorer.pxi
+++ /dev/null
@@ -1,74 +0,0 @@
-from libc.stdlib cimport malloc, realloc, free
-from libc.math cimport log10
-
-MAXSCORE = -99
-EgivenFCoherent = 0
-SampleCountF = 1
-CountEF = 2
-MaxLexFgivenE = 3
-MaxLexEgivenF = 4
-IsSingletonF = 5
-IsSingletonFE = 6
-NFEATURES = 7
-
-cdef class DefaultScorer(Scorer):
-    cdef BiLex ttable
-    cdef int* fid
-
-    def __dealloc__(self):
-        free(self.fid)
-
-    def __init__(self, BiLex ttable):
-        self.ttable = ttable
-        self.fid = <int*> malloc(NFEATURES*sizeof(int))
-        cdef unsigned i
-        for i, fnames in enumerate(('EgivenFCoherent', 'SampleCountF', 'CountEF',
-                'MaxLexFgivenE', 'MaxLexEgivenF', 'IsSingletonF', 'IsSingletonFE')):
-            self.fid[i] = FD.index(fnames)
-
-    cdef FeatureVector score(self, Phrase fphrase, Phrase ephrase,
-            unsigned paircount, unsigned fcount, unsigned fsample_count):
-        cdef FeatureVector scores = FeatureVector()
-
-        #  EgivenFCoherent
-        cdef float efc = <float>paircount/fsample_count
-        scores.set(self.fid[EgivenFCoherent], -log10(efc) if efc > 0 else MAXSCORE)
-
-        # SampleCountF
-        scores.set(self.fid[SampleCountF], log10(1 + fsample_count))
-
-        # CountEF
-        scores.set(self.fid[CountEF], log10(1 + paircount))
-
-        # MaxLexFgivenE TODO typify
-        ewords = ephrase.words
-        ewords.append('NULL')
-        cdef float mlfe = 0, max_score = -1
-        for f in fphrase.words:
-            for e in ewords:
-                score = self.ttable.get_score(f, e, 1)
-                if score > max_score:
-                    max_score = score
-            mlfe += -log10(max_score) if max_score > 0 else MAXSCORE
-        scores.set(self.fid[MaxLexFgivenE], mlfe)
-
-        # MaxLexEgivenF TODO same
-        fwords = fphrase.words
-        fwords.append('NULL')
-        cdef float mlef = 0
-        max_score = -1
-        for e in ephrase.words:
-            for f in fwords:
-                score = self.ttable.get_score(f, e, 0)
-                if score > max_score:
-                    max_score = score
-            mlef += -log10(max_score) if max_score > 0 else MAXSCORE
-        scores.set(self.fid[MaxLexEgivenF], mlef)
-
-        # IsSingletonF
-        scores.set(self.fid[IsSingletonF], (fcount == 1))
-
-        # IsSingletonFE
-        scores.set(self.fid[IsSingletonFE], (paircount == 1))
-
-        return scores
diff --git a/python/src/sa/int_list.pxi b/python/src/sa/int_list.pxi
index 55f5d174..79d67ad9 100644
--- a/python/src/sa/int_list.pxi
+++ b/python/src/sa/int_list.pxi
@@ -26,7 +26,7 @@ cdef class IntList:
             ret += str(self.arr[idx])
         ret += "]"
         ret += "len="
-        ret += self.len
+        ret += str(self.len)
         return ret
 
     def index(self, val):
diff --git a/python/src/sa/rulefactory.pxi b/python/src/sa/rulefactory.pxi
index 2d996581..d7fca750 100644
--- a/python/src/sa/rulefactory.pxi
+++ b/python/src/sa/rulefactory.pxi
@@ -23,7 +23,17 @@ FeatureContext = namedtuple('FeatureContext',
      'test_sentence',
      'f_text',
      'e_text',
-     'meta'
+     'meta',
+     'online'
+    ])
+
+OnlineFeatureContext = namedtuple('OnlineFeatureContext',
+    ['fcount',
+     'fsample_count',
+     'paircount',
+     'bilex_f',
+     'bilex_e',
+     'bilex_fe'
     ])
 
 cdef int PRECOMPUTE = 0
@@ -265,6 +275,16 @@ cdef class HieroCachingRuleFactory:
     cdef IntList findexes
     cdef IntList findexes1
 
+    cdef bint online
+    cdef samples_f
+    cdef phrases_f
+    cdef phrases_e
+    cdef phrases_fe
+    cdef phrases_al
+    cdef bilex_f
+    cdef bilex_e
+    cdef bilex_fe
+
     def __cinit__(self,
             # compiled alignment object (REQUIRED)
             Alignment alignment,
@@ -371,6 +391,25 @@ cdef class HieroCachingRuleFactory:
 
         self.findexes = IntList(initial_len=10)
         self.findexes1 = IntList(initial_len=10)
+        
+        # Online stats 
+        
+        # True after data is added
+        self.online = False
+        
+        # Keep track of everything that can be sampled:
+        self.samples_f = defaultdict(int)
+        
+        # Phrase counts
+        self.phrases_f = defaultdict(int)
+        self.phrases_e = defaultdict(int)
+        self.phrases_fe = defaultdict(lambda: defaultdict(int))
+        self.phrases_al = defaultdict(lambda: defaultdict(tuple))
+
+        # Bilexical counts
+        self.bilex_f = defaultdict(int)
+        self.bilex_e = defaultdict(int)
+        self.bilex_fe = defaultdict(lambda: defaultdict(int))
 
     def configure(self, SuffixArray fsarray, DataArray edarray,
             Sampler sampler, Scorer scorer):
@@ -950,6 +989,11 @@ cdef class HieroCachingRuleFactory:
         hit = 0
         reachable_buffer = {}
 
+        # Phrase pairs processed by suffix array extractor.  Do not re-extract
+        # during online extraction.  This is probably the hackiest part of
+        # online grammar extraction.
+        seen_phrases = set()
+        
         # Do not cache between sentences
         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
 
@@ -1108,7 +1152,12 @@ cdef class HieroCachingRuleFactory:
                                                f, e, count, fcount[f], num_samples,
                                                (k,i+spanlen), locs, input_match, 
                                                fwords, self.fda, self.eda,
-                                               meta))
+                                               meta,
+                                               # Include online stats.  None if none.
+                                               self.online_ctx_lookup(f, e)))
+                                    # Phrase pair processed
+                                    if self.online:
+                                        seen_phrases.add((f, e))
                                     yield Rule(self.category, f, e, scores, alignment)
 
                 if len(phrase) < self.max_length and i+spanlen < len(fwords) and pathlen+1 <= self.max_initial_size:
@@ -1132,7 +1181,29 @@ cdef class HieroCachingRuleFactory:
                         for (i, alt, pathlen) in frontier_nodes:
                             new_frontier.append((k, i, input_match + (i,), alt, pathlen, xnode, phrase +(xcat,), is_shadow_path))
             frontier = new_frontier
-                
+        
+        # Online rule extraction and scoring
+        if self.online:
+            f_syms = tuple(word[0][0] for word in fwords)
+            for (f, lex_i, lex_j) in self.get_f_phrases(f_syms):
+                spanlen = (lex_j - lex_i) + 1
+                if not sym_isvar(f[0]):
+                    spanlen += 1
+                if not sym_isvar(f[1]):
+                    spanlen += 1
+                for e in self.phrases_fe.get(f, ()):
+                    if (f, e) not in seen_phrases:
+                        # Don't add multiple instances of the same phrase here
+                        seen_phrases.add((f, e))
+                        scores = self.scorer.score(FeatureContext(
+                                f, e, 0, 0, 0,
+                                spanlen, None, None, 
+                                fwords, self.fda, self.eda,
+                                meta,
+                                self.online_ctx_lookup(f, e)))
+                        alignment = self.phrases_al[f][e]
+                        yield Rule(self.category, f, e, scores, alignment)
+             
         stop_time = monitor_cpu()
         logger.info("Total time for rule lookup, extraction, and scoring = %f seconds", (stop_time - start_time))
         gc.collect()
@@ -1803,3 +1874,350 @@ cdef class HieroCachingRuleFactory:
         free(e_gap_high)
 
         return extracts
+
+    #
+    # Online grammar extraction handling
+    #
+    
+    # Aggregate stats from a training instance
+    # (Extract rules, update counts)
+    def add_instance(self, f_words, e_words, alignment):
+
+        self.online = True
+        
+        # Rules extracted from this instance
+        # Track span of lexical items (terminals) to make
+        # sure we don't extract the same rule for the same
+        # span more than once.
+        # (f, e, al, lex_f_i, lex_f_j)
+        rules = set()
+
+        f_len = len(f_words)
+        e_len = len(e_words)
+
+        # Pre-compute alignment info
+        al = [[] for i in range(f_len)]
+        fe_span = [[e_len + 1, -1] for i in range(f_len)]
+        ef_span = [[f_len + 1, -1] for i in range(e_len)]
+        for (f, e) in alignment:
+            al[f].append(e)
+            fe_span[f][0] = min(fe_span[f][0], e)
+            fe_span[f][1] = max(fe_span[f][1], e)
+            ef_span[e][0] = min(ef_span[e][0], f)
+            ef_span[e][1] = max(ef_span[e][1], f)
+
+        # Target side word coverage
+        cover = [0] * e_len
+        # Non-terminal coverage
+        f_nt_cover = [0] * f_len
+        e_nt_cover = [0] * e_len
+        
+        # Extract all possible hierarchical phrases starting at a source index
+        # f_ i and j are current, e_ i and j are previous
+        # We care _considering_ f_j, so it is not yet in counts
+        def extract(f_i, f_j, e_i, e_j, min_bound, wc, links, nt, nt_open):
+            # Phrase extraction limits
+            if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+                return
+            # Unaligned word
+            if not al[f_j]:
+                # Adjacent to non-terminal: extend (non-terminal now open)
+                if nt and nt[-1][2] == f_j - 1:
+                    nt[-1][2] += 1
+                    extract(f_i, f_j + 1, e_i, e_j, min_bound, wc, links, nt, True)
+                    nt[-1][2] -= 1
+                # Unless non-terminal already open, always extend with word
+                # Make sure adding a word doesn't exceed length
+                if not nt_open and wc < self.max_length:
+                    extract(f_i, f_j + 1, e_i, e_j, min_bound, wc + 1, links, nt, False)
+                return
+            # Aligned word
+            link_i = fe_span[f_j][0]
+            link_j = fe_span[f_j][1]
+            new_e_i = min(link_i, e_i)
+            new_e_j = max(link_j, e_j)
+            # Check reverse links of newly covered words to see if they violate left
+            # bound (return) or extend minimum right bound for chunk
+            new_min_bound = min_bound
+            # First aligned word creates span
+            if e_j == -1: 
+                for i from new_e_i <= i <= new_e_j:
+                    if ef_span[i][0] < f_i:
+                        return
+                    new_min_bound = max(new_min_bound, ef_span[i][1])
+            # Other aligned words extend span
+            else:
+                for i from new_e_i <= i < e_i:
+                    if ef_span[i][0] < f_i:
+                        return
+                    new_min_bound = max(new_min_bound, ef_span[i][1])
+                for i from e_j < i <= new_e_j:
+                    if ef_span[i][0] < f_i:
+                        return
+                    new_min_bound = max(new_min_bound, ef_span[i][1])
+            # Extract, extend with word (unless non-terminal open)
+            if not nt_open:
+                nt_collision = False
+                for link in al[f_j]:
+                    if e_nt_cover[link]:
+                        nt_collision = True
+                # Non-terminal collisions block word extraction and extension, but
+                # may be okay for continuing non-terminals
+                if not nt_collision and wc < self.max_length:
+                    plus_links = []
+                    for link in al[f_j]:
+                        plus_links.append((f_j, link))
+                        cover[link] += 1
+                    links.append(plus_links)
+                    if links and f_j >= new_min_bound:
+                        rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                    extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+                    links.pop()
+                    for link in al[f_j]:
+                        cover[link] -= 1
+            # Try to add a word to current non-terminal (if any), extract, extend
+            if nt and nt[-1][2] == f_j - 1:
+                # Add to non-terminal, checking for collisions
+                old_last_nt = nt[-1][:]
+                nt[-1][2] = f_j
+                if link_i < nt[-1][3]:
+                    if not span_check(cover, link_i, nt[-1][3] - 1):
+                        nt[-1] = old_last_nt
+                        return
+                    span_inc(cover, link_i, nt[-1][3] - 1)
+                    span_inc(e_nt_cover, link_i, nt[-1][3] - 1)
+                    nt[-1][3] = link_i
+                if link_j > nt[-1][4]:
+                    if not span_check(cover, nt[-1][4] + 1, link_j):
+                        nt[-1] = old_last_nt
+                        return
+                    span_inc(cover, nt[-1][4] + 1, link_j)
+                    span_inc(e_nt_cover, nt[-1][4] + 1, link_j)
+                    nt[-1][4] = link_j
+                if links and f_j >= new_min_bound:
+                    rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc, links, nt, False)
+                nt[-1] = old_last_nt
+                if link_i < nt[-1][3]:
+                    span_dec(cover, link_i, nt[-1][3] - 1)
+                    span_dec(e_nt_cover, link_i, nt[-1][3] - 1)
+                if link_j > nt[-1][4]:
+                    span_dec(cover, nt[-1][4] + 1, link_j)
+                    span_dec(e_nt_cover, nt[-1][4] + 1, link_j)
+            # Try to start a new non-terminal, extract, extend
+            if (not nt or f_j - nt[-1][2] > 1) and wc < self.max_length and len(nt) < self.max_nonterminals:
+                # Check for collisions
+                if not span_check(cover, link_i, link_j):
+                    return
+                span_inc(cover, link_i, link_j)
+                span_inc(e_nt_cover, link_i, link_j)
+                nt.append([(nt[-1][0] + 1) if nt else 1, f_j, f_j, link_i, link_j])
+                # Require at least one word in phrase
+                if links and f_j >= new_min_bound:
+                    rules.add(self.form_rule(f_i, new_e_i, f_words[f_i:f_j + 1], e_words[new_e_i:new_e_j + 1], nt, links))
+                extract(f_i, f_j + 1, new_e_i, new_e_j, new_min_bound, wc + 1, links, nt, False)
+                nt.pop()
+                span_dec(cover, link_i, link_j)
+                span_dec(e_nt_cover, link_i, link_j)
+
+        # Try to extract phrases from every f index
+        for f_i from 0 <= f_i < f_len:
+            # Skip if phrases won't be tight on left side
+            if not al[f_i]:
+                continue
+            extract(f_i, f_i, f_len + 1, -1, f_i, 0, [], [], False)
+        
+        # Update possible phrases (samples)
+        # This could be more efficiently integrated with extraction
+        # at the cost of readability
+        for (f, lex_i, lex_j) in self.get_f_phrases(f_words):
+            self.samples_f[f] += 1
+            
+        # Update phrase counts
+        for rule in rules:
+            (f_ph, e_ph, al) = rule[:3]
+            self.phrases_f[f_ph] += 1
+            self.phrases_e[e_ph] += 1
+            self.phrases_fe[f_ph][e_ph] += 1
+            if not self.phrases_al[f_ph][e_ph]:
+                self.phrases_al[f_ph][e_ph] = al
+            
+        # Update Bilexical counts
+        for e_w in e_words:
+            self.bilex_e[e_w] += 1
+        for f_w in f_words:
+            self.bilex_f[f_w] += 1
+            for e_w in e_words:
+                self.bilex_fe[f_w][e_w] += 1
+
+    # Create a rule from source, target, non-terminals, and alignments
+    def form_rule(self, f_i, e_i, f_span, e_span, nt, al):
+    
+        # Substitute in non-terminals
+        nt_inv = sorted(nt, cmp=lambda x, y: cmp(x[3], y[3]))
+        f_sym = list(f_span[:])
+        off = f_i
+        for next_nt in nt:
+            nt_len = (next_nt[2] - next_nt[1]) + 1
+            i = 0
+            while i < nt_len:
+                f_sym.pop(next_nt[1] - off)
+                i += 1
+            f_sym.insert(next_nt[1] - off, sym_setindex(self.category, next_nt[0]))
+            off += (nt_len - 1)
+        e_sym = list(e_span[:])
+        off = e_i
+        for next_nt in nt_inv:
+            nt_len = (next_nt[4] - next_nt[3]) + 1
+            i = 0
+            while i < nt_len:
+                e_sym.pop(next_nt[3] - off)
+                i += 1
+            e_sym.insert(next_nt[3] - off, sym_setindex(self.category, next_nt[0]))
+            off += (nt_len - 1)
+    
+        # Adjusting alignment links takes some doing
+        links = [list(link) for sub in al for link in sub]
+        links_inv = sorted(links, cmp=lambda x, y: cmp(x[1], y[1]))
+        links_len = len(links)
+        nt_len = len(nt)
+        nt_i = 0
+        off = f_i
+        i = 0
+        while i < links_len:
+            while nt_i < nt_len and links[i][0] > nt[nt_i][1]:
+                off += (nt[nt_i][2] - nt[nt_i][1])
+                nt_i += 1
+            links[i][0] -= off
+            i += 1
+        nt_i = 0
+        off = e_i
+        i = 0
+        while i < links_len:
+            while nt_i < nt_len and links_inv[i][1] > nt_inv[nt_i][3]:
+                off += (nt_inv[nt_i][4] - nt_inv[nt_i][3])
+                nt_i += 1
+            links_inv[i][1] -= off
+            i += 1
+        
+        # Find lexical span
+        lex_f_i = f_i
+        lex_f_j = f_i + (len(f_span) - 1)
+        if nt:
+            if nt[0][1] == lex_f_i:
+                lex_f_i += (nt[0][2] - nt[0][1]) + 1
+            if nt[-1][2] == lex_f_j:
+                lex_f_j -= (nt[-1][2] - nt[-1][1]) + 1
+
+        # Create rule (f_phrase, e_phrase, links, f_link_min, f_link_max)
+        f = Phrase(f_sym)
+        e = Phrase(e_sym)
+        a = tuple(self.alignment.link(i, j) for (i, j) in links)
+        return (f, e, a, lex_f_i, lex_f_j)
+
+    # Rule string from rule
+    def fmt_rule(self, f, e, a):
+        a_str = ' '.join('{0}-{1}'.format(*self.alignment.unlink(packed)) for packed in a)
+        return '[X] ||| {0} ||| {1} ||| {2}'.format(f, e, a_str)
+    
+    # Debugging
+    def dump_online_stats(self):
+        logger.info('------------------------------')
+        logger.info('         Online Stats         ')
+        logger.info('------------------------------')
+        logger.info('f')
+        for w in self.bilex_f:
+            logger.info(sym_tostring(w) + ' : ' + str(self.bilex_f[w]))
+        logger.info('e')
+        for w in self.bilex_e:
+            logger.info(sym_tostring(w) + ' : ' + str(self.bilex_e[w]))
+        logger.info('fe')
+        for w in self.bilex_fe:
+            for w2 in self.bilex_fe[w]:
+                logger.info(sym_tostring(w) + ' : ' + sym_tostring(w2) + ' : ' + str(self.bilex_fe[w][w2]))
+        logger.info('F')
+        for ph in self.phrases_f:
+            logger.info(str(ph) + ' ||| ' + str(self.phrases_f[ph]))
+        logger.info('E')
+        for ph in self.phrases_e:
+            logger.info(str(ph) + ' ||| ' + str(self.phrases_e[ph]))
+        logger.info('FE')
+        self.dump_online_rules()
+
+    def dump_online_rules(self):
+        for ph in self.phrases_fe:
+            for ph2 in self.phrases_fe[ph]:
+                logger.info(self.fmt_rule(str(ph), str(ph2), self.phrases_al[ph][ph2]) + ' ||| ' + str(self.phrases_fe[ph][ph2]))
+                    
+    # Lookup online stats for phrase pair (f, e).  Return None if no match.
+    # IMPORTANT: use get() to avoid adding items to defaultdict
+    def online_ctx_lookup(self, f, e):
+        if self.online:
+            fcount = self.phrases_f.get(f, 0)
+            fsample_count = self.samples_f.get(f, 0)
+            d = self.phrases_fe.get(f, None)
+            paircount = d.get(e, 0) if d else 0
+            return OnlineFeatureContext(fcount, fsample_count, paircount, self.bilex_f, self.bilex_e, self.bilex_fe)
+        return None
+    
+    # Find all phrases that we might try to extract
+    # (Used for EGivenFCoherent)
+    # Return set of (fphrase, lex_i, lex_j)
+    def get_f_phrases(self, f_words):
+
+        f_len = len(f_words)
+        phrases = set() # (fphrase, lex_i, lex_j)
+        
+        def extract(f_i, f_j, lex_i, lex_j, wc, ntc, syms):
+            # Phrase extraction limits
+            if f_j > (f_len - 1) or (f_j - f_i) + 1 > self.max_initial_size:
+                return
+            # Extend with word
+            if wc + ntc < self.max_length:
+                syms.append(f_words[f_j])
+                f = Phrase(syms)
+                new_lex_i = min(lex_i, f_j)
+                new_lex_j = max(lex_j, f_j)
+                phrases.add((f, new_lex_i, new_lex_j))
+                extract(f_i, f_j + 1, new_lex_i, new_lex_j, wc + 1, ntc, syms)
+                syms.pop()
+            # Extend with existing non-terminal
+            if syms and sym_isvar(syms[-1]):
+                # Don't re-extract the same phrase
+                extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc, syms)
+            # Extend with new non-terminal
+            if wc + ntc < self.max_length:
+                if not syms or (ntc < self.max_nonterminals and not sym_isvar(syms[-1])):
+                    syms.append(sym_setindex(self.category, ntc + 1))
+                    f = Phrase(syms)
+                    if wc > 0:
+                        phrases.add((f, lex_i, lex_j))
+                    extract(f_i, f_j + 1, lex_i, lex_j, wc, ntc + 1, syms)
+                    syms.pop()
+            
+        # Try to extract phrases from every f index
+        for f_i from 0 <= f_i < f_len:
+            extract(f_i, f_i, f_len, -1, 0, 0, [])
+
+        return phrases
+    
+# Spans are _inclusive_ on both ends [i, j]
+def span_check(vec, i, j):
+    k = i
+    while k <= j:
+        if vec[k]:
+            return False
+        k += 1
+    return True
+
+def span_inc(vec, i, j):
+    k = i
+    while k <= j:
+        vec[k] += 1
+        k += 1
+
+def span_dec(vec, i, j):
+    k = i
+    while k <= j:
+        vec[k] -= 1
+        k += 1
diff --git a/python/src/sa/sym.pxi b/python/src/sa/sym.pxi
index f47599cf..f253aec0 100644
--- a/python/src/sa/sym.pxi
+++ b/python/src/sa/sym.pxi
@@ -104,6 +104,9 @@ cdef int sym_setindex(int sym, int id):
 cdef int sym_fromstring(char* string, bint terminal):
     return ALPHABET.fromstring(string, terminal)
 
+def isvar(sym):
+    return sym_isvar(sym)
+
 def make_lattice(words):
     word_ids = (sym_fromstring(word, True) for word in words)
     return tuple(((word, None, 1), ) for word in word_ids)
@@ -114,3 +117,9 @@ def decode_lattice(lattice):
 
 def decode_sentence(lattice):
     return tuple(sym_tostring(sym) for ((sym, _, _),) in lattice)
+
+def encode_words(words):
+    return tuple(sym_fromstring(word, True) for word in words)
+
+def decode_words(syms):
+    return tuple(sym_tostring(sym) for sym in syms)
\ No newline at end of file
diff --git a/python/tests/extractor/corpus.al.gz b/python/tests/extractor/corpus.al.gz
new file mode 100644
index 00000000..88a3a8ee
--- /dev/null
+++ b/python/tests/extractor/corpus.al.gz
diff --git a/python/tests/extractor/corpus.fr-en.gz b/python/tests/extractor/corpus.fr-en.gz
new file mode 100644
index 00000000..b0b04215
--- /dev/null
+++ b/python/tests/extractor/corpus.fr-en.gz
diff --git a/python/tests/extractor/gold-rules.sort b/python/tests/extractor/gold-rules.sort
new file mode 100644
index 00000000..c6f22c36
--- /dev/null
+++ b/python/tests/extractor/gold-rules.sort
@@ -0,0 +1,140 @@
+[X] ||| A B C D [X,1] ||| B C D [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-1
+[X] ||| A B C D ||| B C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-1
+[X] ||| A B C [X,1] K ||| B [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 4-3 4-4
+[X] ||| A B C [X,1] ||| B [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| A ||| B ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| AA BB CC DD ||| AA BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 2-1 3-0
+[X] ||| AA BB CC [X,1] ||| [X,1] BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 2-1
+[X] ||| AA BB CC ||| BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1 2-0
+[X] ||| AA BB [X,1] DD ||| AA [X,1] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 3-0
+[X] ||| AA BB [X,1] ||| [X,1] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1
+[X] ||| AA BB ||| CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| AA [X,1] CC DD ||| AA BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 2-1 3-0
+[X] ||| AA [X,1] CC [X,2] ||| [X,2] BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 2-1
+[X] ||| AA [X,1] CC ||| BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| AA [X,1] DD ||| AA [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| AA [X,1] ||| [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| AA ||| DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| BB CC DD ||| AA BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1 2-0
+[X] ||| BB CC [X,1] ||| [X,1] BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1
+[X] ||| BB CC ||| BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| BB [X,1] DD ||| AA [X,1] CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| BB [X,1] ||| [X,1] CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| BB ||| CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| CC DD ||| AA BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| CC [X,1] ||| [X,1] BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| CC ||| BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D E F G H ||| C D E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2 3-5 4-5
+[X] ||| D E F [X,1] K ||| C D E F G [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2 4-7 4-8
+[X] ||| D E F [X,1] ||| C D E F G [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2
+[X] ||| D E F ||| C D E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2
+[X] ||| D E [X,1] G H ||| C D [X,1] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 3-5 4-5
+[X] ||| D E [X,1] ||| C D [X,1] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3
+[X] ||| D [X,1] F G H ||| C D E [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-5 4-5
+[X] ||| D [X,1] F [X,2] K ||| C D E [X,1] G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 4-7 4-8
+[X] ||| D [X,1] F [X,2] ||| C D E [X,1] G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2
+[X] ||| D [X,1] F ||| C D E [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2
+[X] ||| D [X,1] G H [X,2] ||| C D [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 3-4
+[X] ||| D [X,1] G H ||| C D [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 3-4
+[X] ||| D [X,1] I J K ||| C D [X,1] I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3 4-5 4-6
+[X] ||| D [X,1] I J [X,2] ||| C D [X,1] I J [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3
+[X] ||| D [X,1] I J ||| C D [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3
+[X] ||| D [X,1] K ||| C D [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 2-5
+[X] ||| D [X,1] L M N ||| C D [X,1] M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 4-3 4-4
+[X] ||| D [X,1] L M [X,2] ||| C D [X,1] [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D [X,1] ||| C D [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D ||| C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| DD ||| AA ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| E F G H [X,1] ||| E F G H [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 2-3 3-3
+[X] ||| E F G H ||| E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 2-3 3-3
+[X] ||| E F [X,1] I J ||| E F G [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 3-4 4-4
+[X] ||| E F [X,1] K ||| E F G [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 3-5 3-6
+[X] ||| E F [X,1] ||| E F G [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| E F ||| E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| E [X,1] G H [X,2] ||| [X,1] F G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 2-3 3-3
+[X] ||| E [X,1] G H ||| [X,1] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 2-3 3-3
+[X] ||| E [X,1] ||| [X,1] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| E ||| F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| F ||| E ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| G H I J K ||| H I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1 4-3 4-4
+[X] ||| G H I J [X,1] ||| H I J [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1
+[X] ||| G H I J ||| H I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1
+[X] ||| G H [X,1] K ||| H [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 3-3 3-4
+[X] ||| G H [X,1] ||| H [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| G H ||| H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| I J K ||| I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-2 2-3
+[X] ||| I J [X,1] ||| I J [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| I J ||| I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| K L M N [X,1] ||| K L M N [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 3-2 3-3
+[X] ||| K L M N ||| K L M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 3-2 3-3
+[X] ||| K L M [X,1] ||| K L [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| K ||| K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| N O P Q R ||| M N O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 1-2 2-3 4-2
+[X] ||| N O [X,1] Q R ||| M N O [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 1-2 4-2
+[X] ||| N [X,1] ||| M N [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| N ||| M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| O P Q R [X,1] ||| O P Q R S [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-1 3-0
+[X] ||| O P Q R ||| O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-1 3-0
+[X] ||| O [X,1] Q R [X,2] ||| O [X,1] Q R S [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| O [X,1] Q R ||| O [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| P ||| P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| S T U V [X,1] ||| T U V [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-0 3-2
+[X] ||| S T U V ||| T U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-0 3-2
+[X] ||| S [X,1] U V [X,2] ||| [X,1] U V [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 3-2
+[X] ||| S [X,1] U V ||| [X,1] U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 3-2
+[X] ||| T ||| T ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| W X Y Z [X,1] ||| W X Y Z [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-0
+[X] ||| W X Y Z ||| W X Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-0
+[X] ||| W X [X,1] Z [X,2] ||| W X [X,1] Z [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| W X [X,1] Z ||| W X [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| Y ||| Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| [X,1] AA BB CC DD ||| [X,1] Z AA BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 3-3 4-2
+[X] ||| [X,1] AA BB CC [X,2] ||| [X,1] Z [X,2] BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 3-3
+[X] ||| [X,1] AA BB [X,2] DD ||| [X,1] Z AA [X,2] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 4-2
+[X] ||| [X,1] AA BB [X,2] ||| [X,1] Z [X,2] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-4 2-3
+[X] ||| [X,1] AA [X,2] CC DD ||| [X,1] Z AA BB [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 3-3 4-2
+[X] ||| [X,1] AA [X,2] DD ||| [X,1] Z AA [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-4 3-2
+[X] ||| [X,1] AA [X,2] ||| [X,1] Z [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3
+[X] ||| [X,1] B C D [X,2] ||| [X,1] C D [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1
+[X] ||| [X,1] B C D ||| [X,1] C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1
+[X] ||| [X,1] B C [X,2] K ||| [X,1] [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 4-3 4-4
+[X] ||| [X,1] BB CC DD ||| AA BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-1 3-0
+[X] ||| [X,1] BB CC [X,2] ||| [X,2] BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-1
+[X] ||| [X,1] BB CC ||| BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-0
+[X] ||| [X,1] BB [X,2] DD ||| AA [X,2] CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 3-0
+[X] ||| [X,1] BB [X,2] ||| [X,2] CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1
+[X] ||| [X,1] BB ||| CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] CC DD ||| AA BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-0
+[X] ||| [X,1] CC [X,2] ||| [X,2] BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1
+[X] ||| [X,1] CC ||| BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] DD ||| AA [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] E F G H ||| [X,1] D E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2 3-5 4-5
+[X] ||| [X,1] E F [X,2] K ||| [X,1] D E F G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2 4-7 4-8
+[X] ||| [X,1] E F [X,2] ||| [X,1] D E F G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2
+[X] ||| [X,1] E F ||| [X,1] D E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2
+[X] ||| [X,1] E [X,2] G H ||| [X,1] D [X,2] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 3-5 4-5
+[X] ||| [X,1] E [X,2] ||| [X,1] D [X,2] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3
+[X] ||| [X,1] F G H [X,2] ||| E [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 2-3 3-3
+[X] ||| [X,1] F G H ||| E [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 2-3 3-3
+[X] ||| [X,1] F [X,2] I J ||| E [X,1] G [X,2] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 3-4 4-4
+[X] ||| [X,1] F [X,2] K ||| E [X,1] G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 3-5 3-6
+[X] ||| [X,1] F [X,2] ||| E [X,1] G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] F ||| E [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] G H I J ||| [X,1] G H I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2 3-3 4-3
+[X] ||| [X,1] G H [X,2] K ||| [X,1] G H [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2 4-5 4-6
+[X] ||| [X,1] G H [X,2] ||| [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2
+[X] ||| [X,1] G H ||| [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2
+[X] ||| [X,1] I J K ||| [X,1] I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1 3-3 3-4
+[X] ||| [X,1] I J [X,2] ||| [X,1] I J [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1
+[X] ||| [X,1] I J ||| [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1
+[X] ||| [X,1] K L M N ||| [X,1] J K L M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3 4-4 4-5
+[X] ||| [X,1] K L M [X,2] ||| [X,1] J K L [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3
+[X] ||| [X,1] K ||| [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3
+[X] ||| [X,1] L M N [X,2] ||| [X,1] M N [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1 3-2
+[X] ||| [X,1] L M N ||| [X,1] M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1 3-2
+[X] ||| [X,1] O P Q R ||| [X,1] O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-2 4-1
+[X] ||| [X,1] O [X,2] Q R ||| [X,1] O [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 4-1
+[X] ||| [X,1] S T U V ||| [X,1] Q R S T U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-6 2-4 4-6
+[X] ||| [X,1] S [X,2] U V ||| [X,1] Q R S [X,2] U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-6 4-6
+[X] ||| [X,1] W X Y Z ||| [X,1] W X Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 3-3 4-1
+[X] ||| [X,1] W X [X,2] Z ||| [X,1] W X [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 4-1
diff --git a/python/tests/extractor/refmt.py b/python/tests/extractor/refmt.py
new file mode 100755
index 00000000..437d5b7a
--- /dev/null
+++ b/python/tests/extractor/refmt.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+import collections, sys
+
+lines = []
+f = collections.defaultdict(int)
+fe = collections.defaultdict(lambda: collections.defaultdict(int))
+
+for line in sys.stdin:
+    tok = [x.strip() for x in line.split('|||')]
+    count = int(tok[4])
+    f[tok[1]] += count
+    fe[tok[1]][tok[2]] += count
+    lines.append(tok)
+
+for tok in lines:
+    feat = 'IsSingletonF={0}.0 IsSingletonFE={1}.0'.format(
+        0 if f[tok[1]] > 1 else 1,
+        0 if fe[tok[1]][tok[2]] > 1 else 1)
+    print ' ||| '.join((tok[0], tok[1], tok[2], feat, tok[3]))
diff --git a/python/tests/extractor/rules.sort b/python/tests/extractor/rules.sort
new file mode 100644
index 00000000..c6f22c36
--- /dev/null
+++ b/python/tests/extractor/rules.sort
@@ -0,0 +1,140 @@
+[X] ||| A B C D [X,1] ||| B C D [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-1
+[X] ||| A B C D ||| B C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-1
+[X] ||| A B C [X,1] K ||| B [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 4-3 4-4
+[X] ||| A B C [X,1] ||| B [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| A ||| B ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| AA BB CC DD ||| AA BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 2-1 3-0
+[X] ||| AA BB CC [X,1] ||| [X,1] BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 2-1
+[X] ||| AA BB CC ||| BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1 2-0
+[X] ||| AA BB [X,1] DD ||| AA [X,1] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 1-2 3-0
+[X] ||| AA BB [X,1] ||| [X,1] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1
+[X] ||| AA BB ||| CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| AA [X,1] CC DD ||| AA BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 2-1 3-0
+[X] ||| AA [X,1] CC [X,2] ||| [X,2] BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-3 2-1
+[X] ||| AA [X,1] CC ||| BB [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| AA [X,1] DD ||| AA [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| AA [X,1] ||| [X,1] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| AA ||| DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| BB CC DD ||| AA BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1 2-0
+[X] ||| BB CC [X,1] ||| [X,1] BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-1
+[X] ||| BB CC ||| BB CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| BB [X,1] DD ||| AA [X,1] CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 2-0
+[X] ||| BB [X,1] ||| [X,1] CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| BB ||| CC ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| CC DD ||| AA BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| CC [X,1] ||| [X,1] BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| CC ||| BB ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D E F G H ||| C D E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2 3-5 4-5
+[X] ||| D E F [X,1] K ||| C D E F G [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2 4-7 4-8
+[X] ||| D E F [X,1] ||| C D E F G [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2
+[X] ||| D E F ||| C D E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 2-2
+[X] ||| D E [X,1] G H ||| C D [X,1] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3 3-5 4-5
+[X] ||| D E [X,1] ||| C D [X,1] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-3
+[X] ||| D [X,1] F G H ||| C D E [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-5 4-5
+[X] ||| D [X,1] F [X,2] K ||| C D E [X,1] G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 4-7 4-8
+[X] ||| D [X,1] F [X,2] ||| C D E [X,1] G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2
+[X] ||| D [X,1] F ||| C D E [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2
+[X] ||| D [X,1] G H [X,2] ||| C D [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 3-4
+[X] ||| D [X,1] G H ||| C D [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 3-4
+[X] ||| D [X,1] I J K ||| C D [X,1] I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3 4-5 4-6
+[X] ||| D [X,1] I J [X,2] ||| C D [X,1] I J [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3
+[X] ||| D [X,1] I J ||| C D [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-3 3-3
+[X] ||| D [X,1] K ||| C D [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-4 2-5
+[X] ||| D [X,1] L M N ||| C D [X,1] M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 4-3 4-4
+[X] ||| D [X,1] L M [X,2] ||| C D [X,1] [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D [X,1] ||| C D [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| D ||| C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| DD ||| AA ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| E F G H [X,1] ||| E F G H [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 2-3 3-3
+[X] ||| E F G H ||| E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 2-3 3-3
+[X] ||| E F [X,1] I J ||| E F G [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 3-4 4-4
+[X] ||| E F [X,1] K ||| E F G [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0 3-5 3-6
+[X] ||| E F [X,1] ||| E F G [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| E F ||| E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 1-0
+[X] ||| E [X,1] G H [X,2] ||| [X,1] F G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 2-3 3-3
+[X] ||| E [X,1] G H ||| [X,1] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1 2-3 3-3
+[X] ||| E [X,1] ||| [X,1] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-1
+[X] ||| E ||| F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| F ||| E ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| G H I J K ||| H I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1 4-3 4-4
+[X] ||| G H I J [X,1] ||| H I J [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1
+[X] ||| G H I J ||| H I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-1 3-1
+[X] ||| G H [X,1] K ||| H [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 3-3 3-4
+[X] ||| G H [X,1] ||| H [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| G H ||| H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| I J K ||| I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0 2-2 2-3
+[X] ||| I J [X,1] ||| I J [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| I J ||| I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-0
+[X] ||| K L M N [X,1] ||| K L M N [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 3-2 3-3
+[X] ||| K L M N ||| K L M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 3-2 3-3
+[X] ||| K L M [X,1] ||| K L [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| K ||| K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| N O P Q R ||| M N O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 1-2 2-3 4-2
+[X] ||| N O [X,1] Q R ||| M N O [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1 1-2 4-2
+[X] ||| N [X,1] ||| M N [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| N ||| M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 0-1
+[X] ||| O P Q R [X,1] ||| O P Q R S [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-1 3-0
+[X] ||| O P Q R ||| O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 1-1 3-0
+[X] ||| O [X,1] Q R [X,2] ||| O [X,1] Q R S [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| O [X,1] Q R ||| O [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| P ||| P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| S T U V [X,1] ||| T U V [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-0 3-2
+[X] ||| S T U V ||| T U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 1-0 3-2
+[X] ||| S [X,1] U V [X,2] ||| [X,1] U V [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 3-2
+[X] ||| S [X,1] U V ||| [X,1] U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-2 3-2
+[X] ||| T ||| T ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| W X Y Z [X,1] ||| W X Y Z [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-0
+[X] ||| W X Y Z ||| W X Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 2-2 3-0
+[X] ||| W X [X,1] Z [X,2] ||| W X [X,1] Z [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| W X [X,1] Z ||| W X [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0 3-0
+[X] ||| Y ||| Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 0-0
+[X] ||| [X,1] AA BB CC DD ||| [X,1] Z AA BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 3-3 4-2
+[X] ||| [X,1] AA BB CC [X,2] ||| [X,1] Z [X,2] BB CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 3-3
+[X] ||| [X,1] AA BB [X,2] DD ||| [X,1] Z AA [X,2] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 2-4 4-2
+[X] ||| [X,1] AA BB [X,2] ||| [X,1] Z [X,2] CC DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-4 2-3
+[X] ||| [X,1] AA [X,2] CC DD ||| [X,1] Z AA BB [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-5 3-3 4-2
+[X] ||| [X,1] AA [X,2] DD ||| [X,1] Z AA [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-4 3-2
+[X] ||| [X,1] AA [X,2] ||| [X,1] Z [X,2] DD ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3
+[X] ||| [X,1] B C D [X,2] ||| [X,1] C D [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1
+[X] ||| [X,1] B C D ||| [X,1] C ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1
+[X] ||| [X,1] B C [X,2] K ||| [X,1] [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 4-3 4-4
+[X] ||| [X,1] BB CC DD ||| AA BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-1 3-0
+[X] ||| [X,1] BB CC [X,2] ||| [X,2] BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-1
+[X] ||| [X,1] BB CC ||| BB CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-0
+[X] ||| [X,1] BB [X,2] DD ||| AA [X,2] CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 3-0
+[X] ||| [X,1] BB [X,2] ||| [X,2] CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1
+[X] ||| [X,1] BB ||| CC [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] CC DD ||| AA BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-0
+[X] ||| [X,1] CC [X,2] ||| [X,2] BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1
+[X] ||| [X,1] CC ||| BB [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] DD ||| AA [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] E F G H ||| [X,1] D E F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2 3-5 4-5
+[X] ||| [X,1] E F [X,2] K ||| [X,1] D E F G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2 4-7 4-8
+[X] ||| [X,1] E F [X,2] ||| [X,1] D E F G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2
+[X] ||| [X,1] E F ||| [X,1] D E F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 2-2
+[X] ||| [X,1] E [X,2] G H ||| [X,1] D [X,2] F G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3 3-5 4-5
+[X] ||| [X,1] E [X,2] ||| [X,1] D [X,2] F ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-3
+[X] ||| [X,1] F G H [X,2] ||| E [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 2-3 3-3
+[X] ||| [X,1] F G H ||| E [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 2-3 3-3
+[X] ||| [X,1] F [X,2] I J ||| E [X,1] G [X,2] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 3-4 4-4
+[X] ||| [X,1] F [X,2] K ||| E [X,1] G [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0 3-5 3-6
+[X] ||| [X,1] F [X,2] ||| E [X,1] G [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] F ||| E [X,1] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-0
+[X] ||| [X,1] G H I J ||| [X,1] G H I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2 3-3 4-3
+[X] ||| [X,1] G H [X,2] K ||| [X,1] G H [X,2] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2 4-5 4-6
+[X] ||| [X,1] G H [X,2] ||| [X,1] G H [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2
+[X] ||| [X,1] G H ||| [X,1] G H ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 2-2
+[X] ||| [X,1] I J K ||| [X,1] I J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1 3-3 3-4
+[X] ||| [X,1] I J [X,2] ||| [X,1] I J [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1
+[X] ||| [X,1] I J ||| [X,1] I ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-1
+[X] ||| [X,1] K L M N ||| [X,1] J K L M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3 4-4 4-5
+[X] ||| [X,1] K L M [X,2] ||| [X,1] J K L [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3
+[X] ||| [X,1] K ||| [X,1] J K L ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-2 1-3
+[X] ||| [X,1] L M N [X,2] ||| [X,1] M N [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1 3-2
+[X] ||| [X,1] L M N ||| [X,1] M N ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 3-1 3-2
+[X] ||| [X,1] O P Q R ||| [X,1] O P ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 2-2 4-1
+[X] ||| [X,1] O [X,2] Q R ||| [X,1] O [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 4-1
+[X] ||| [X,1] S T U V ||| [X,1] Q R S T U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-6 2-4 4-6
+[X] ||| [X,1] S [X,2] U V ||| [X,1] Q R S [X,2] U V ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-6 4-6
+[X] ||| [X,1] W X Y Z ||| [X,1] W X Y ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 3-3 4-1
+[X] ||| [X,1] W X [X,2] Z ||| [X,1] W X [X,2] ||| IsSingletonF=1.0 IsSingletonFE=1.0 ||| 1-1 4-1
diff --git a/python/tests/extractor/run.sh b/python/tests/extractor/run.sh
new file mode 100755
index 00000000..f44da9f8
--- /dev/null
+++ b/python/tests/extractor/run.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# Make sure that the sa and online extractors are producing the same (correct) output
+
+set -x verbose
+
+python -m cdec.sa.compile -a corpus.al.gz -b corpus.fr-en.gz -o extract >| extract.ini
+
+cat test.in | python -m cdec.sa.extract -c extract.ini -g gold -o 2>&1 | egrep '\[X\].+\|\|\|.+\|\|\|.+\|\|\|.+\|\|\|'|sed -re 's/INFO.+://g' | ./refmt.py | LC_ALL=C sort >| rules.sort
+
+cd gold && cat grammar.0|sed -re 's/Egiv.+(IsSingletonF=)/\1/g'|LC_ALL=C sort >| rules.sort && cd ..
+
+diff gold/rules.sort gold-rules.sort
+diff rules.sort gold-rules.sort
diff --git a/python/tests/extractor/test.in b/python/tests/extractor/test.in
new file mode 100644
index 00000000..42f1a9dc
--- /dev/null
+++ b/python/tests/extractor/test.in
@@ -0,0 +1 @@
+A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA BB CC DD ||| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA BB CC DD ||| 0-1 3-2 4-5 5-4 6-7 7-7 8-8 9-8 10-10 10-11 13-12 13-13 14-14 15-15 17-14 18-21 19-19 21-21 22-22 24-24 25-22 26-29 27-28 28-27 29-26
diff --git a/python/tests/extractor/test.vis b/python/tests/extractor/test.vis
new file mode 100644
index 00000000..2d30a9f4
--- /dev/null
+++ b/python/tests/extractor/test.vis
@@ -0,0 +1,34 @@
+ 012345678901234567890123456789
+0.*............................0
+1..............................1
+2..............................2
+3..*...........................3
+4.....*........................4
+5....*.........................5
+6.......*......................6
+7.......*......................7
+8........*.....................8
+9........*.....................9
+0..........**..................0
+1..............................1
+2..............................2
+3............**................3
+4..............*...............4
+5...............*..............5
+6..............................6
+7..............*...............7
+8.....................*........8
+9...................*..........9
+0..............................0
+1.....................*........1
+2......................*.......2
+3..............................3
+4........................*.....4
+5......................*.......5
+6.............................*6
+7............................*.7
+8...........................*..8
+9..........................*...9
+ 012345678901234567890123456789
+
+0-1 3-2 4-5 5-4 6-7 7-7 8-8 9-8 10-10 10-11 13-12 13-13 14-14 15-15 17-14 18-21 19-19 21-21 22-22 24-24 25-22 26-29 27-28 28-27 29-26