Merge alopez/context-features

6 files changed, 9593 insertions, 8883 deletions

diff --git a/python/src/sa/_sa.c b/python/src/sa/_sa.c
index 9f9590b7..d04a8f98 100644
--- a/python/src/sa/_sa.c
+++ b/python/src/sa/_sa.c
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.16 on Mon Sep  3 10:45:22 2012 */
+/* Generated by Cython 0.17 on Wed Sep  5 10:20:00 2012 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -11,7 +11,6 @@
 #ifndef offsetof
 #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
 #endif
-
 #if !defined(WIN32) && !defined(MS_WINDOWS)
   #ifndef __stdcall
     #define __stdcall
@@ -23,22 +22,18 @@
     #define __fastcall
   #endif
 #endif
-
 #ifndef DL_IMPORT
   #define DL_IMPORT(t) t
 #endif
 #ifndef DL_EXPORT
   #define DL_EXPORT(t) t
 #endif
-
 #ifndef PY_LONG_LONG
   #define PY_LONG_LONG LONG_LONG
 #endif
-
 #ifndef Py_HUGE_VAL
   #define Py_HUGE_VAL HUGE_VAL
 #endif
-
 #ifdef PYPY_VERSION
 #define CYTHON_COMPILING_IN_PYPY 1
 #define CYTHON_COMPILING_IN_CPYTHON 0
@@ -46,28 +41,25 @@
 #define CYTHON_COMPILING_IN_PYPY 0
 #define CYTHON_COMPILING_IN_CPYTHON 1
 #endif
-
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyCFunction_Call PyObject_Call
-#else
-  #define __Pyx_PyCFunction_Call PyCFunction_Call
-#endif
-
 #if PY_VERSION_HEX < 0x02050000
   typedef int Py_ssize_t;
   #define PY_SSIZE_T_MAX INT_MAX
   #define PY_SSIZE_T_MIN INT_MIN
   #define PY_FORMAT_SIZE_T ""
+  #define CYTHON_FORMAT_SSIZE_T ""
   #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
   #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
-  #define PyNumber_Index(o)    PyNumber_Int(o)
-  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
+                                (PyErr_Format(PyExc_TypeError, \
+                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
+                                 (PyObject*)0))
+  #define PyIndex_Check(o)     (PyNumber_Check(o) && !PyFloat_Check(o) && !PyComplex_Check(o))
   #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
   #define __PYX_BUILD_PY_SSIZE_T "i"
 #else
   #define __PYX_BUILD_PY_SSIZE_T "n"
+  #define CYTHON_FORMAT_SSIZE_T "z"
 #endif
-
 #if PY_VERSION_HEX < 0x02060000
   #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
   #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
@@ -75,7 +67,6 @@
   #define PyVarObject_HEAD_INIT(type, size) \
           PyObject_HEAD_INIT(type) size,
   #define PyType_Modified(t)
-
   typedef struct {
      void *buf;
      PyObject *obj;
@@ -89,7 +80,6 @@
      Py_ssize_t *suboffsets;
      void *internal;
   } Py_buffer;
-
   #define PyBUF_SIMPLE 0
   #define PyBUF_WRITABLE 0x0001
   #define PyBUF_FORMAT 0x0004
@@ -101,11 +91,9 @@
   #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
   #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
   #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
-
   typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
   typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
 #endif
-
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
@@ -115,31 +103,30 @@
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
 #endif
-
 #if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
   #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
 #endif
-
 #if PY_MAJOR_VERSION >= 3
   #define Py_TPFLAGS_CHECKTYPES 0
   #define Py_TPFLAGS_HAVE_INDEX 0
 #endif
-
 #if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
   #define Py_TPFLAGS_HAVE_NEWBUFFER 0
 #endif
-
-
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
   #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
+                                              0 : _PyUnicode_Ready((PyObject *)(op)))
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
 #else
   #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((k=k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
 #endif
-
 #if PY_MAJOR_VERSION >= 3
   #define PyBaseString_Type            PyUnicode_Type
   #define PyStringObject               PyUnicodeObject
@@ -147,7 +134,6 @@
   #define PyString_Check               PyUnicode_Check
   #define PyString_CheckExact          PyUnicode_CheckExact
 #endif
-
 #if PY_VERSION_HEX < 0x02060000
   #define PyBytesObject                PyStringObject
   #define PyBytes_Type                 PyString_Type
@@ -166,7 +152,6 @@
   #define PyBytes_Concat               PyString_Concat
   #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
 #endif
-
 #if PY_VERSION_HEX < 0x02060000
   #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
   #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
@@ -174,9 +159,7 @@
 #ifndef PySet_CheckExact
   #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
 #endif
-
 #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-
 #if PY_MAJOR_VERSION >= 3
   #define PyIntObject                  PyLongObject
   #define PyInt_Type                   PyLong_Type
@@ -193,11 +176,9 @@
   #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
   #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
 #endif
-
 #if PY_MAJOR_VERSION >= 3
   #define PyBoolObject                 PyLongObject
 #endif
-
 #if PY_VERSION_HEX < 0x03020000
   typedef long Py_hash_t;
   #define __Pyx_PyInt_FromHash_t PyInt_FromLong
@@ -206,7 +187,6 @@
   #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
   #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
 #endif
-
 #if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
   #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
   #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
@@ -225,11 +205,9 @@
         (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
             (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
 #endif
-
 #if PY_MAJOR_VERSION >= 3
   #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
 #endif
-
 #if PY_VERSION_HEX < 0x02050000
   #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
   #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
@@ -239,7 +217,6 @@
   #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
   #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
 #endif
-
 #if PY_VERSION_HEX < 0x02050000
   #define __Pyx_NAMESTR(n) ((char *)(n))
   #define __Pyx_DOCSTR(n)  ((char *)(n))
@@ -248,6 +225,7 @@
   #define __Pyx_DOCSTR(n)  (n)
 #endif
 
+
 #if PY_MAJOR_VERSION >= 3
   #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
   #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
@@ -329,7 +307,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
 
+#if CYTHON_COMPILING_IN_CPYTHON
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#else
+#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#endif
 #define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
 
 #ifdef __GNUC__
@@ -378,39 +360,39 @@ static const char *__pyx_f[] = {
 struct __pyx_obj_3_sa_HieroCachingRuleFactory;
 struct __pyx_obj_3_sa___pyx_scope_struct_4___iter__;
 struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats;
-struct __pyx_obj_3_sa___pyx_scope_struct_11_input;
 struct __pyx_obj_3_sa_IntList;
 struct __pyx_obj_3_sa_VEBIterator;
 struct __pyx_obj_3_sa_BiLex;
-struct __pyx_obj_3_sa_TrieNode;
+struct __pyx_obj_3_sa_VEB;
 struct __pyx_obj_3_sa_LCP;
 struct __pyx_obj_3_sa_DataArray;
 struct __pyx_obj_3_sa_BitSetIterator;
 struct __pyx_obj_3_sa_Precomputation;
-struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__;
+struct __pyx_obj_3_sa___pyx_scope_struct_8_input;
 struct __pyx_obj_3_sa_SuffixArray;
 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_2_genexpr;
 struct __pyx_obj_3_sa_PhraseLocation;
+struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr;
+struct __pyx_obj_3_sa___pyx_scope_struct_10___str__;
 struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext;
 struct __pyx_obj_3_sa_FeatureVector;
 struct __pyx_obj_3_sa___pyx_scope_struct_7_alignments;
 struct __pyx_obj_3_sa_Scorer;
 struct __pyx_obj_3_sa_Alignment;
+struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__;
 struct __pyx_obj_3_sa_BitSet;
 struct __pyx_obj_3_sa_Sampler;
-struct __pyx_obj_3_sa___pyx_scope_struct_9___str__;
 struct __pyx_obj_3_sa_StringMap;
-struct __pyx_obj_3_sa_VEB;
+struct __pyx_obj_3_sa_TrieNode;
 struct __pyx_obj_3_sa_ExtendedTrieNode;
 struct __pyx_obj_3_sa_TrieMap;
 struct __pyx_obj_3_sa_Phrase;
 struct __pyx_obj_3_sa___pyx_scope_struct____iter__;
 struct __pyx_obj_3_sa_TrieTable;
 struct __pyx_obj_3_sa___pyx_scope_struct_5___str__;
-struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr;
 struct __pyx_obj_3_sa_FloatList;
 struct __pyx_t_3_sa__node;
 struct __pyx_t_3_sa__BitSet;
@@ -420,8 +402,8 @@ struct __pyx_t_3_sa__Trie_Node;
 struct __pyx_t_3_sa_match_node;
 struct __pyx_t_3_sa_Matching;
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":9
+ * from libc.string cimport memset, strcpy
  * 
  * cdef struct _node:             # <<<<<<<<<<<<<<
  *     _node* smaller
@@ -434,7 +416,7 @@ struct __pyx_t_3_sa__node {
   int val;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":30
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":30
  * _init_lower_mask()
  * 
  * cdef struct _BitSet:             # <<<<<<<<<<<<<<
@@ -448,7 +430,7 @@ struct __pyx_t_3_sa__BitSet {
   int size;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":168
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":168
  *     return result
  * 
  * cdef struct _VEB:             # <<<<<<<<<<<<<<
@@ -465,7 +447,7 @@ struct __pyx_t_3_sa__VEB {
   void **bottom;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":10
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":10
  * cdef struct _Trie_Node    # forward decl
  * 
  * cdef struct _Trie_Edge:             # <<<<<<<<<<<<<<
@@ -479,7 +461,7 @@ struct __pyx_t_3_sa__Trie_Edge {
   struct __pyx_t_3_sa__Trie_Edge *smaller;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":8
  * from libc.string cimport memset, memcpy
  * 
  * cdef struct _Trie_Node    # forward decl             # <<<<<<<<<<<<<<
@@ -492,7 +474,7 @@ struct __pyx_t_3_sa__Trie_Node {
   int arr_len;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":50
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":62
  * 
  * # linked list structure for storing matches in BaselineRuleFactory
  * cdef struct match_node:             # <<<<<<<<<<<<<<
@@ -504,7 +486,7 @@ struct __pyx_t_3_sa_match_node {
   struct __pyx_t_3_sa_match_node *next;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":146
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":158
  * 
  * # struct used to encapsulate a single matching
  * cdef struct Matching:             # <<<<<<<<<<<<<<
@@ -519,7 +501,7 @@ struct __pyx_t_3_sa_Matching {
   int size;
 };
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":202
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":214
  * 
  * 
  * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
@@ -568,7 +550,7 @@ struct __pyx_obj_3_sa_HieroCachingRuleFactory {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":141
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":141
  *         return self.syms[i]
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -583,7 +565,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_4___iter__ {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":36
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":36
  *         logger.info("LCP array completed")
  * 
  *     def compute_stats(self, int max_n):             # <<<<<<<<<<<<<<
@@ -614,86 +596,6 @@ struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":923
- *         return sorted(result);
- * 
- *     def input(self, fwords):             # <<<<<<<<<<<<<<
- *         '''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_11_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_currcount;
-  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_is_shadow_path;
-  int __pyx_v_j;
-  int __pyx_v_k;
-  PyObject *__pyx_v_key;
-  int __pyx_v_lookup_required;
-  struct __pyx_t_3_sa_Matching __pyx_v_matching;
-  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;
-  PyObject *__pyx_t_2;
-  PyObject *__pyx_t_3;
-  PyObject *__pyx_t_4;
-  PyObject *(*__pyx_t_5)(PyObject *);
-  Py_ssize_t __pyx_t_6;
-  PyObject *(*__pyx_t_7)(PyObject *);
-};
-
-
 /* "_sa.pxd":12
  *     cdef void read_handle(self, FILE* f)
  * 
@@ -711,7 +613,7 @@ struct __pyx_obj_3_sa_IntList {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":340
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":340
  * 
  * 
  * cdef class VEBIterator:             # <<<<<<<<<<<<<<
@@ -725,7 +627,7 @@ struct __pyx_obj_3_sa_VEBIterator {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":47
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
  * 
  * 
  * cdef class BiLex:             # <<<<<<<<<<<<<<
@@ -746,20 +648,21 @@ struct __pyx_obj_3_sa_BiLex {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":20
- * cdef int EPSILON = sym_fromstring('*EPS*', True)
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
  * 
- * cdef class TrieNode:             # <<<<<<<<<<<<<<
- *     cdef public children
  * 
+ * cdef class VEB:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* veb
+ *     cdef int _findsucc(self, int i)
  */
-struct __pyx_obj_3_sa_TrieNode {
+struct __pyx_obj_3_sa_VEB {
   PyObject_HEAD
-  PyObject *children;
+  struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtab;
+  struct __pyx_t_3_sa__VEB *veb;
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":5
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":5
  * as k most frequent n-grams"""
  * 
  * cdef class LCP:             # <<<<<<<<<<<<<<
@@ -773,8 +676,8 @@ struct __pyx_obj_3_sa_LCP {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy
  * 
  * cdef class DataArray:             # <<<<<<<<<<<<<<
  *     cdef word2id
@@ -792,7 +695,7 @@ struct __pyx_obj_3_sa_DataArray {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":100
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":100
  * 
  * 
  * cdef class BitSetIterator:             # <<<<<<<<<<<<<<
@@ -806,7 +709,7 @@ struct __pyx_obj_3_sa_BitSetIterator {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":188
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
  * 
  * 
  * cdef class Precomputation:             # <<<<<<<<<<<<<<
@@ -827,23 +730,90 @@ struct __pyx_obj_3_sa_Precomputation {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":15
- *         self.values.append(value)
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":935
+ *         return sorted(result);
  * 
- *     def __iter__(self):             # <<<<<<<<<<<<<<
- *         cdef unsigned i
- *         for i in range(self.names.len):
+ *     def input(self, fwords):             # <<<<<<<<<<<<<<
+ *         '''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_8___iter__ {
+struct __pyx_obj_3_sa___pyx_scope_struct_8_input {
   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;
+  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_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_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;
+  PyObject *__pyx_t_1;
+  Py_ssize_t __pyx_t_2;
+  int __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/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":6
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
  * from libc.stdio cimport FILE, fclose, fopen
  * 
  * cdef class SuffixArray:             # <<<<<<<<<<<<<<
@@ -859,7 +829,7 @@ struct __pyx_obj_3_sa_SuffixArray {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":7
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
  * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
  * cdef class Alphabet:             # <<<<<<<<<<<<<<
@@ -895,7 +865,7 @@ struct __pyx_obj_3_sa_Rule {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":187
+/* "/Users/vchahun/Sandbox/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()))             # <<<<<<<<<<<<<<
@@ -912,7 +882,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":73
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":73
  *     def read_bitext(self, char* filename, int side):
  *         with gzip_or_text(filename) as fp:
  *             data = (line.split(' ||| ')[side] for line in fp)             # <<<<<<<<<<<<<<
@@ -929,7 +899,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":58
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":70
  * # in the suffix array; if discontiguous, it is the set of
  * # actual locations (packed into an array)
  * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
@@ -948,7 +918,37 @@ struct __pyx_obj_3_sa_PhraseLocation {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":71
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":21
+ * 
+ *     def __str__(self):
+ *         return ' '.join('%s=%s' % feat for feat in self)             # <<<<<<<<<<<<<<
+ * 
+ * cdef class Scorer:
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *__pyx_outer_scope;
+  PyObject *__pyx_v_feat;
+  PyObject *__pyx_t_0;
+  Py_ssize_t __pyx_t_1;
+  PyObject *(*__pyx_t_2)(PyObject *);
+};
+
+
+/* "/Users/vchahun/Sandbox/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_10___str__ {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":71
  *             self.read_text_data(fp)
  * 
  *     def read_bitext(self, char* filename, int side):             # <<<<<<<<<<<<<<
@@ -976,7 +976,7 @@ struct __pyx_obj_3_sa_FeatureVector {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":190
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":190
  *         return ' ||| '.join(fields)
  * 
  *     def alignments(self):             # <<<<<<<<<<<<<<
@@ -993,7 +993,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct_7_alignments {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":23
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":23
  *         return ' '.join('%s=%s' % feat for feat in self)
  * 
  * cdef class Scorer:             # <<<<<<<<<<<<<<
@@ -1007,7 +1007,7 @@ struct __pyx_obj_3_sa_Scorer {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
  * # May need to revisit if things get really tight, though.
  * 
  * cdef class Alignment:             # <<<<<<<<<<<<<<
@@ -1022,7 +1022,23 @@ struct __pyx_obj_3_sa_Alignment {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":118
+/* "/Users/vchahun/Sandbox/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_9___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;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":118
  * # (entirely C-implemented) _BitSet struct.
  * # Very slow; use only for debugging
  * cdef class BitSet:             # <<<<<<<<<<<<<<
@@ -1035,7 +1051,7 @@ struct __pyx_obj_3_sa_BitSet {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":80
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":92
  * 
  * 
  * cdef class Sampler:             # <<<<<<<<<<<<<<
@@ -1049,20 +1065,7 @@ struct __pyx_obj_3_sa_Sampler {
 };
 
 
-/* "/home/vchahune/tools/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_9___str__ {
-  PyObject_HEAD
-  struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self;
-};
-
-
-/* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
  *     char* stringmap_word(StrMap *vocab, int i)
  * 
  * cdef class StringMap:             # <<<<<<<<<<<<<<
@@ -1076,21 +1079,20 @@ struct __pyx_obj_3_sa_StringMap {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":354
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":32
+ * cdef int EPSILON = sym_fromstring('*EPS*', True)
  * 
+ * cdef class TrieNode:             # <<<<<<<<<<<<<<
+ *     cdef public children
  * 
- * cdef class VEB:             # <<<<<<<<<<<<<<
- *     cdef _VEB* veb
- *     cdef int _findsucc(self, int i)
  */
-struct __pyx_obj_3_sa_VEB {
+struct __pyx_obj_3_sa_TrieNode {
   PyObject_HEAD
-  struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtab;
-  struct __pyx_t_3_sa__VEB *veb;
+  PyObject *children;
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":26
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":38
  *         self.children = {}
  * 
  * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
@@ -1105,7 +1107,7 @@ struct __pyx_obj_3_sa_ExtendedTrieNode {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":109
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
  *         trie_node_to_map(edge.node, result, prefix, include_zeros)
  * 
  * cdef class TrieMap:             # <<<<<<<<<<<<<<
@@ -1137,7 +1139,7 @@ struct __pyx_obj_3_sa_Phrase {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":81
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":81
  *         free(self.arr)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -1153,7 +1155,7 @@ struct __pyx_obj_3_sa___pyx_scope_struct____iter__ {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":37
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":49
  * 
  * 
  * cdef class TrieTable:             # <<<<<<<<<<<<<<
@@ -1168,7 +1170,7 @@ struct __pyx_obj_3_sa_TrieTable {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":183
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":183
  *         return self.f.arity()
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -1181,23 +1183,6 @@ struct __pyx_obj_3_sa___pyx_scope_struct_5___str__ {
 };
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":21
- * 
- *     def __str__(self):
- *         return ' '.join('%s=%s' % feat for feat in self)             # <<<<<<<<<<<<<<
- * 
- * cdef class Scorer:
- */
-struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr {
-  PyObject_HEAD
-  struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *__pyx_outer_scope;
-  PyObject *__pyx_v_feat;
-  PyObject *__pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  PyObject *(*__pyx_t_2)(PyObject *);
-};
-
-
 /* "_sa.pxd":3
  * from libc.stdio cimport FILE
  * 
@@ -1216,7 +1201,7 @@ struct __pyx_obj_3_sa_FloatList {
 
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
  *     char* stringmap_word(StrMap *vocab, int i)
  * 
  * cdef class StringMap:             # <<<<<<<<<<<<<<
@@ -1231,8 +1216,8 @@ struct __pyx_vtabstruct_3_sa_StringMap {
 static struct __pyx_vtabstruct_3_sa_StringMap *__pyx_vtabptr_3_sa_StringMap;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy
  * 
  * cdef class DataArray:             # <<<<<<<<<<<<<<
  *     cdef word2id
@@ -1246,7 +1231,7 @@ struct __pyx_vtabstruct_3_sa_DataArray {
 static struct __pyx_vtabstruct_3_sa_DataArray *__pyx_vtabptr_3_sa_DataArray;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":109
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
  *         trie_node_to_map(edge.node, result, prefix, include_zeros)
  * 
  * cdef class TrieMap:             # <<<<<<<<<<<<<<
@@ -1261,7 +1246,7 @@ struct __pyx_vtabstruct_3_sa_TrieMap {
 static struct __pyx_vtabstruct_3_sa_TrieMap *__pyx_vtabptr_3_sa_TrieMap;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
  * # May need to revisit if things get really tight, though.
  * 
  * cdef class Alignment:             # <<<<<<<<<<<<<<
@@ -1277,7 +1262,7 @@ struct __pyx_vtabstruct_3_sa_Alignment {
 static struct __pyx_vtabstruct_3_sa_Alignment *__pyx_vtabptr_3_sa_Alignment;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":47
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
  * 
  * 
  * cdef class BiLex:             # <<<<<<<<<<<<<<
@@ -1296,7 +1281,7 @@ struct __pyx_vtabstruct_3_sa_BiLex {
 static struct __pyx_vtabstruct_3_sa_BiLex *__pyx_vtabptr_3_sa_BiLex;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":9
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
  * from libc.string cimport memset, memcpy
  * 
  * cdef class IntList:             # <<<<<<<<<<<<<<
@@ -1316,7 +1301,7 @@ struct __pyx_vtabstruct_3_sa_IntList {
 static struct __pyx_vtabstruct_3_sa_IntList *__pyx_vtabptr_3_sa_IntList;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":4
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
  * from libc.string cimport strsep, strcpy, strlen
  * 
  * cdef class Phrase:             # <<<<<<<<<<<<<<
@@ -1331,7 +1316,7 @@ struct __pyx_vtabstruct_3_sa_Phrase {
 static struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtabptr_3_sa_Phrase;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":58
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":70
  * # in the suffix array; if discontiguous, it is the set of
  * # actual locations (packed into an array)
  * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
@@ -1345,7 +1330,7 @@ struct __pyx_vtabstruct_3_sa_PhraseLocation {
 static struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtabptr_3_sa_PhraseLocation;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":188
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
  * 
  * 
  * cdef class Precomputation:             # <<<<<<<<<<<<<<
@@ -1360,7 +1345,7 @@ struct __pyx_vtabstruct_3_sa_Precomputation {
 static struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtabptr_3_sa_Precomputation;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":23
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":23
  *         return ' '.join('%s=%s' % feat for feat in self)
  * 
  * cdef class Scorer:             # <<<<<<<<<<<<<<
@@ -1369,12 +1354,12 @@ static struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtabptr_3_sa_Precomput
  */
 
 struct __pyx_vtabstruct_3_sa_Scorer {
-  struct __pyx_obj_3_sa_FeatureVector *(*score)(struct __pyx_obj_3_sa_Scorer *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, unsigned int, unsigned int, unsigned int);
+  struct __pyx_obj_3_sa_FeatureVector *(*score)(struct __pyx_obj_3_sa_Scorer *, PyObject *);
 };
 static struct __pyx_vtabstruct_3_sa_Scorer *__pyx_vtabptr_3_sa_Scorer;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":9
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
  * from libc.string cimport memset, strcpy, strlen
  * 
  * cdef class FloatList:             # <<<<<<<<<<<<<<
@@ -1390,7 +1375,7 @@ struct __pyx_vtabstruct_3_sa_FloatList {
 static struct __pyx_vtabstruct_3_sa_FloatList *__pyx_vtabptr_3_sa_FloatList;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":354
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
  * 
  * 
  * cdef class VEB:             # <<<<<<<<<<<<<<
@@ -1406,7 +1391,7 @@ struct __pyx_vtabstruct_3_sa_VEB {
 static struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtabptr_3_sa_VEB;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":7
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
  * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
  * cdef class Alphabet:             # <<<<<<<<<<<<<<
@@ -1429,7 +1414,7 @@ struct __pyx_vtabstruct_3_sa_Alphabet {
 static struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtabptr_3_sa_Alphabet;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":202
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":214
  * 
  * 
  * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
@@ -1457,7 +1442,7 @@ struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory {
 static struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *__pyx_vtabptr_3_sa_HieroCachingRuleFactory;
 
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":6
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
  * from libc.stdio cimport FILE, fclose, fopen
  * 
  * cdef class SuffixArray:             # <<<<<<<<<<<<<<
@@ -1588,11 +1573,18 @@ static int __Pyx_PyBytes_Tailmatch(PyObject* self, PyObject* substr, Py_ssize_t
                                    Py_ssize_t end, int direction)
 {
     if (unlikely(PyTuple_Check(substr))) {
-        int result;
-        Py_ssize_t i;
-        for (i = 0; i < PyTuple_GET_SIZE(substr); i++) {
+        Py_ssize_t i, count = PyTuple_GET_SIZE(substr);
+        for (i = 0; i < count; i++) {
+            int result;
+#if CYTHON_COMPILING_IN_CPYTHON
             result = __Pyx_PyBytes_SingleTailmatch(self, PyTuple_GET_ITEM(substr, i),
                                                    start, end, direction);
+#else
+            PyObject* sub = PySequence_GetItem(substr, i);
+            if (unlikely(!sub)) return -1;
+            result = __Pyx_PyBytes_SingleTailmatch(self, sub, start, end, direction);
+            Py_DECREF(sub);
+#endif
             if (result) {
                 return result;
             }
@@ -1631,42 +1623,47 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j
                                                     __Pyx_GetItemInt_List_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-            PyObject *r = PyList_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Tuple_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
     if (PyList_CheckExact(o)) {
         Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
         if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
@@ -1682,30 +1679,36 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i)
             Py_INCREF(r);
             return r;
         }
-    }
-    else if (likely(i >= 0)) {
+    } else {  /* inlined PySequence_GetItem() */
         PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
         if (likely(m && m->sq_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return NULL;
+                i += l;
+            }
             return m->sq_item(o, i);
         }
     }
+#else
+    if (PySequence_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
-static CYTHON_INLINE int __Pyx_NegateNonNeg(int b) {
-    return unlikely(b < 0) ? b : !b;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyBoolOrNull_FromLong(long b) {
-    return unlikely(b < 0) ? NULL : __Pyx_PyBool_FromLong(b);
+static CYTHON_INLINE int __Pyx_PySequence_Contains(PyObject* item, PyObject* seq, int eq) {
+    int result = PySequence_Contains(seq, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
 }
 
 static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
     if (likely(PyList_CheckExact(L))) {
-        if (PyList_Append(L, x) < 0) return NULL;
+        if (unlikely(PyList_Append(L, x) < 0)) return NULL;
         Py_INCREF(Py_None);
         return Py_None; /* this is just to have an accurate signature */
-    }
-    else {
+    } else {
         PyObject *r, *m;
         m = __Pyx_GetAttrString(L, "append");
         if (!m) return NULL;
@@ -1723,9 +1726,11 @@ static CYTHON_INLINE long __Pyx_div_long(long, long); /* proto */
 
 static CYTHON_INLINE long __Pyx_mod_long(long, long); /* proto */
 
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
 static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
 
 static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
 
@@ -1740,6 +1745,7 @@ static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyOb
     return r;
 }
 static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v) {
+#if CYTHON_COMPILING_IN_CPYTHON
     if (PyList_CheckExact(o)) {
         Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
         if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
@@ -1749,26 +1755,79 @@ static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObje
             Py_DECREF(old);
             return 1;
         }
-    }
-    else if (likely(i >= 0)) {
+    } else {  /* inlined PySequence_SetItem() */
         PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
         if (likely(m && m->sq_ass_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return -1;
+                i += l;
+            }
             return m->sq_ass_item(o, i, v);
         }
     }
+#else
+#if CYTHON_COMPILING_IN_PYPY
+    if (PySequence_Check(o) && !PyDict_Check(o)) {
+#else
+    if (PySequence_Check(o)) {
+#endif
+        return PySequence_SetItem(o, i, v);
+    }
+#endif
     return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
 }
 
 static double __Pyx__PyObject_AsDouble(PyObject* obj); /* proto */
+#if CYTHON_COMPILING_IN_PYPY
+#define __Pyx_PyObject_AsDouble(obj) \
+(likely(PyFloat_CheckExact(obj)) ? PyFloat_AS_DOUBLE(obj) : \
+ likely(PyInt_CheckExact(obj)) ? \
+ PyFloat_AsDouble(obj) : __Pyx__PyObject_AsDouble(obj))
+#else
 #define __Pyx_PyObject_AsDouble(obj) \
 ((likely(PyFloat_CheckExact(obj))) ? \
  PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
+#endif
 
 static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
 
 static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact); /*proto*/
 
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len)) {
+        Py_INCREF(x);
+        PyList_SET_ITEM(list, len, x);
+        Py_SIZE(list) = len+1;
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
+
+static CYTHON_INLINE int __Pyx_PyDict_Contains(PyObject* item, PyObject* dict, int eq) {
+    int result = PyDict_Contains(dict, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** value1, PyObject** value2,
+                                             int is_tuple, int has_known_size, int decref_tuple);
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* dict, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_is_dict);
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* dict_or_iter, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int is_dict);
+
 #if PY_VERSION_HEX < 0x02050000
 #ifndef PyAnySet_CheckExact
 #define PyAnySet_CheckExact(ob) \
@@ -1802,15 +1861,9 @@ static CYTHON_INLINE int PySet_Add(PyObject *set, PyObject *key) {
 #endif /* PyAnySet_CheckExact (<= Py2.4) */
 #endif /* < Py2.5  */
 
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void);
-
 #if PY_MAJOR_VERSION >= 3
 static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
     PyObject *value;
-    if (unlikely(d == Py_None)) {
-        __Pyx_RaiseNoneIndexingError();
-        return NULL;
-    }
     value = PyDict_GetItemWithError(d, key);
     if (unlikely(!value)) {
         if (!PyErr_Occurred())
@@ -1851,18 +1904,6 @@ static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level);
 
 static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name);
 
-#include <string.h>
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); /*proto*/
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); /*proto*/
-
-#if PY_MAJOR_VERSION >= 3
-#define __Pyx_PyString_Equals __Pyx_PyUnicode_Equals
-#else
-#define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
-#endif
-
 #define __Pyx_CyFunction_USED 1
 #include <structmember.h>
 #define __Pyx_CYFUNCTION_STATICMETHOD  0x01
@@ -1944,22 +1985,30 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 
 #define __Pyx_Generator_USED
 #include <structmember.h>
+#include <frameobject.h>
 typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
 typedef struct {
     PyObject_HEAD
     __pyx_generator_body_t body;
     PyObject *closure;
-    int is_running;
-    int resume_label;
     PyObject *exc_type;
     PyObject *exc_value;
     PyObject *exc_traceback;
     PyObject *gi_weakreflist;
     PyObject *classobj;
+    PyObject *yieldfrom;
+    int resume_label;
+    char is_running;  // using T_BOOL for property below requires char value
 } __pyx_GeneratorObject;
 static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
                                                   PyObject *closure);
 static int __pyx_Generator_init(void);
+static int __Pyx_Generator_clear(PyObject* self);
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
+#else
+#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
+#endif
 
 static int __Pyx_check_binary_version(void);
 
@@ -2014,13 +2063,13 @@ static PyTypeObject *__pyx_ptype_3_sa_Alphabet = 0;
 static PyTypeObject *__pyx_ptype_3_sa_TrieMap = 0;
 static PyTypeObject *__pyx_ptype_3_sa_Precomputation = 0;
 static PyTypeObject *__pyx_ptype_3_sa_SuffixArray = 0;
-static PyTypeObject *__pyx_ptype_3_sa_Scorer = 0;
 static PyTypeObject *__pyx_ptype_3_sa_TrieNode = 0;
 static PyTypeObject *__pyx_ptype_3_sa_ExtendedTrieNode = 0;
 static PyTypeObject *__pyx_ptype_3_sa_TrieTable = 0;
 static PyTypeObject *__pyx_ptype_3_sa_PhraseLocation = 0;
 static PyTypeObject *__pyx_ptype_3_sa_Sampler = 0;
 static PyTypeObject *__pyx_ptype_3_sa_HieroCachingRuleFactory = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Scorer = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct____iter__ = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_1_read_bitext = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_2_genexpr = 0;
@@ -2029,21 +2078,21 @@ static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_4___iter__ = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_5___str__ = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_6_genexpr = 0;
 static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_7_alignments = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_8___iter__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_9___str__ = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_10_genexpr = 0;
-static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_11_input = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_8_input = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_9___iter__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_10___str__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_11_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];
 static int __pyx_v_3_sa_INDEX_SHIFT;
 static int __pyx_v_3_sa_INDEX_MASK;
 static struct __pyx_obj_3_sa_Alphabet *__pyx_v_3_sa_ALPHABET = 0;
-static struct __pyx_obj_3_sa_StringMap *__pyx_v_3_sa_FD = 0;
 static int __pyx_v_3_sa_PRECOMPUTE;
 static int __pyx_v_3_sa_MERGE;
 static int __pyx_v_3_sa_BAEZA_YATES;
 static int __pyx_v_3_sa_EPSILON;
+static struct __pyx_obj_3_sa_StringMap *__pyx_v_3_sa_FD = 0;
 static char *__pyx_f_3_sa_sym_tostring(int); /*proto*/
 static int __pyx_f_3_sa_sym_isvar(int); /*proto*/
 static int __pyx_f_3_sa_sym_getindex(int); /*proto*/
@@ -2092,6 +2141,7 @@ static PyObject *__pyx_builtin_zip;
 static PyObject *__pyx_builtin_StopIteration;
 static PyObject *__pyx_builtin_cmp;
 static PyObject *__pyx_builtin_sorted;
+static PyObject *__pyx_builtin_max;
 static PyObject *__pyx_pf_3_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename); /* proto */
 static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
 static void __pyx_pf_3_sa_9FloatList_2__dealloc__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self); /* proto */
@@ -2232,12 +2282,6 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
 static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
 static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
 static PyObject *__pyx_pf_3_sa_11SuffixArray_22lookup(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_word, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high); /* 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 */
-static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str___genexpr(PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self); /* proto */
-static int __pyx_pf_3_sa_6Scorer___init__(struct __pyx_obj_3_sa_Scorer *__pyx_v_self, PyObject *__pyx_v_models); /* proto */
 static int __pyx_pf_3_sa_8TrieNode___cinit__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_3_sa_8TrieNode_8children___get__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
 static int __pyx_pf_3_sa_8TrieNode_8children_2__set__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
@@ -2276,7 +2320,14 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx
 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_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords); /* 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 */
+static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str___genexpr(PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_3_sa_13FeatureVector_7__str__(struct __pyx_obj_3_sa_FeatureVector *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_6Scorer___init__(struct __pyx_obj_3_sa_Scorer *__pyx_v_self, PyObject *__pyx_v_models); /* proto */
 static char __pyx_k_1[] = ".gz";
 static char __pyx_k_2[] = "Requested index %d of %d-length FloatList";
 static char __pyx_k_3[] = "IntList[";
@@ -2329,7 +2380,6 @@ static char __pyx_k_91[] = "    Refinement took %f seconds";
 static char __pyx_k_92[] = "    Finalizing sort...";
 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_99[] = "%s=%s";
 static char __pyx_k__0[] = "0";
 static char __pyx_k__1[] = "1";
 static char __pyx_k__e[] = "e";
@@ -2339,40 +2389,41 @@ static char __pyx_k__i[] = "i";
 static char __pyx_k__j[] = "j";
 static char __pyx_k__r[] = "r";
 static char __pyx_k__w[] = "w";
-static char __pyx_k_101[] = "Sampling strategy: uniform, max sample size = %d";
-static char __pyx_k_102[] = "Sampling strategy: no sampling";
-static char __pyx_k_104[] = "require_aligned_terminal";
-static char __pyx_k_105[] = "require_aligned_chunks";
-static char __pyx_k_106[] = "[X]";
-static char __pyx_k_107[] = "Must specify an alignment object";
-static char __pyx_k_109[] = "Reading precomputed data from file %s... ";
-static char __pyx_k_110[] = "Precomputation done with max nonterminals %d, decoder uses %d";
-static char __pyx_k_111[] = "Precomputation done with max terminals %d, decoder uses %d";
-static char __pyx_k_112[] = "Precomputation done with max initial size %d, decoder uses %d";
-static char __pyx_k_113[] = "Precomputation done with min gap size %d, decoder uses %d";
-static char __pyx_k_114[] = "Converting %d hash keys on precomputed inverted index... ";
-static char __pyx_k_115[] = "Converting %d hash keys on precomputed collocations... ";
-static char __pyx_k_116[] = "Processing precomputations took %f seconds";
-static char __pyx_k_117[] = "{";
-  static char __pyx_k_118[] = "(";
-static char __pyx_k_119[] = "}";
-static char __pyx_k_120[] = "get_precomputed_collocation";
-static char __pyx_k_121[] = "double binary";
-static char __pyx_k_122[] = "Keyword trie error";
-static char __pyx_k_124[] = "get_all_nodes_isteps_away";
-static char __pyx_k_125[] = "Total time for rule lookup, extraction, and scoring = %f seconds";
-static char __pyx_k_126[] = "    Extract time = %f seconds";
-static char __pyx_k_127[] = "No aligned terminals";
-static char __pyx_k_128[] = "Unaligned chunk";
-static char __pyx_k_129[] = "Gaps are not tight phrases";
-static char __pyx_k_130[] = "Inside edges of preceding subphrase are not tight";
-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_137[] = "/home/vchahune/tools/cdec/python/src/sa/_sa.pyx";
+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";
+static char __pyx_k_104[] = "require_aligned_chunks";
+static char __pyx_k_105[] = "[X]";
+static char __pyx_k_106[] = "Must specify an alignment object";
+static char __pyx_k_108[] = "Reading precomputed data from file %s... ";
+static char __pyx_k_109[] = "Precomputation done with max nonterminals %d, decoder uses %d";
+static char __pyx_k_110[] = "Precomputation done with max terminals %d, decoder uses %d";
+static char __pyx_k_111[] = "Precomputation done with max initial size %d, decoder uses %d";
+static char __pyx_k_112[] = "Precomputation done with min gap size %d, decoder uses %d";
+static char __pyx_k_113[] = "Converting %d hash keys on precomputed inverted index... ";
+static char __pyx_k_114[] = "Converting %d hash keys on precomputed collocations... ";
+static char __pyx_k_115[] = "Processing precomputations took %f seconds";
+static char __pyx_k_116[] = "{";
+  static char __pyx_k_117[] = "(";
+static char __pyx_k_118[] = "}";
+static char __pyx_k_119[] = "get_precomputed_collocation";
+static char __pyx_k_120[] = "double binary";
+static char __pyx_k_121[] = "Keyword trie error";
+static char __pyx_k_123[] = "get_all_nodes_isteps_away";
+static char __pyx_k_124[] = "Total time for rule lookup, extraction, and scoring = %f seconds";
+static char __pyx_k_125[] = "    Extract time = %f seconds";
+static char __pyx_k_126[] = "No aligned terminals";
+static char __pyx_k_127[] = "Unaligned chunk";
+static char __pyx_k_128[] = "Gaps are not tight phrases";
+static char __pyx_k_129[] = "Inside edges of preceding subphrase are not tight";
+static char __pyx_k_130[] = "Inside edges of following subphrase are not tight";
+static char __pyx_k_131[] = "Subphrase [%d, %d] failed integrity check";
+static char __pyx_k_132[] = "Didn't extract anything from [%d, %d] -> [%d, %d]";
+static char __pyx_k_133[] = "Unable to extract basic phrase";
+static char __pyx_k_134[] = "%s=%s";
+static char __pyx_k_137[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/_sa.pyx";
 static char __pyx_k_138[] = "cdec.sa";
-static char __pyx_k_142[] = "/home/vchahune/tools/cdec/python/src/sa/sym.pxi";
+static char __pyx_k_142[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi";
 static char __pyx_k_143[] = "*EPS*";
 static char __pyx_k__gc[] = "gc";
 static char __pyx_k__sa[] = "sa";
@@ -2383,9 +2434,11 @@ static char __pyx_k__col[] = "col";
 static char __pyx_k__end[] = "end";
 static char __pyx_k__isa[] = "isa";
 static char __pyx_k__ito[] = "ito";
+static char __pyx_k__key[] = "key";
 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__pad[] = "pad";
 static char __pyx_k__res[] = "res";
 static char __pyx_k__set[] = "set";
@@ -2407,6 +2460,7 @@ static char __pyx_k__warn[] = "warn";
 static char __pyx_k__word[] = "word";
 static char __pyx_k___SEP_[] = "_SEP_";
 static char __pyx_k__arity[] = "arity";
+static char __pyx_k__chain[] = "chain";
 static char __pyx_k__debug[] = "debug";
 static char __pyx_k__eword[] = "eword";
 static char __pyx_k__fword[] = "fword";
@@ -2424,6 +2478,7 @@ static char __pyx_k__words[] = "words";
 static char __pyx_k__write[] = "write";
 static char __pyx_k__earray[] = "earray";
 static char __pyx_k__extend[] = "extend";
+static char __pyx_k__fcount[] = "fcount";
 static char __pyx_k__fwords[] = "fwords";
 static char __pyx_k__get_id[] = "get_id";
 static char __pyx_k__insert[] = "insert";
@@ -2441,13 +2496,17 @@ static char __pyx_k__sorted[] = "sorted";
 static char __pyx_k__source[] = "source";
 static char __pyx_k__string[] = "string";
 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__collect[] = "collect";
 static char __pyx_k__edarray[] = "edarray";
+static char __pyx_k__ephrase[] = "ephrase";
+static char __pyx_k__fphrase[] = "fphrase";
 static char __pyx_k__fsarray[] = "fsarray";
 static char __pyx_k__getSent[] = "getSent";
 static char __pyx_k__logging[] = "logging";
+static char __pyx_k__matches[] = "matches";
 static char __pyx_k__pathlen[] = "pathlen";
 static char __pyx_k__sa_high[] = "sa_high";
 static char __pyx_k__sampler[] = "sampler";
@@ -2488,6 +2547,8 @@ static char __pyx_k__getSentId[] = "getSentId";
 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__paircount[] = "paircount";
 static char __pyx_k__partition[] = "partition";
 static char __pyx_k__reachable[] = "reachable";
 static char __pyx_k__read_text[] = "read_text";
@@ -2496,8 +2557,11 @@ static char __pyx_k__IndexError[] = "IndexError";
 static char __pyx_k__alignments[] = "alignments";
 static char __pyx_k__from_stats[] = "from_stats";
 static char __pyx_k__getSentPos[] = "getSentPos";
+static char __pyx_k__input_span[] = "input_span";
+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__precompute[] = "precompute";
 static char __pyx_k__write_text[] = "write_text";
 static char __pyx_k__END_OF_FILE[] = "END_OF_FILE";
@@ -2519,7 +2583,10 @@ static char __pyx_k__gzip_or_text[] = "gzip_or_text";
 static char __pyx_k__min_gap_size[] = "min_gap_size";
 static char __pyx_k__StopIteration[] = "StopIteration";
 static char __pyx_k__alphabet_size[] = "alphabet_size";
+static char __pyx_k__fsample_count[] = "fsample_count";
+static char __pyx_k__test_sentence[] = "test_sentence";
 static char __pyx_k__tight_phrases[] = "tight_phrases";
+static char __pyx_k__FeatureContext[] = "FeatureContext";
 static char __pyx_k__pattern2phrase[] = "pattern2phrase";
 static char __pyx_k__read_text_data[] = "read_text_data";
 static char __pyx_k__sym_fromstring[] = "sym_fromstring";
@@ -2541,11 +2608,12 @@ static char __pyx_k__max_target_length[] = "max_target_length";
 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;
+static PyObject *__pyx_kp_s_100;
 static PyObject *__pyx_kp_s_101;
-static PyObject *__pyx_kp_s_102;
+static PyObject *__pyx_n_s_103;
 static PyObject *__pyx_n_s_104;
-static PyObject *__pyx_n_s_105;
-static PyObject *__pyx_kp_s_107;
+static PyObject *__pyx_kp_s_106;
+static PyObject *__pyx_kp_s_108;
 static PyObject *__pyx_kp_s_109;
 static PyObject *__pyx_kp_s_110;
 static PyObject *__pyx_kp_s_111;
@@ -2556,11 +2624,11 @@ static PyObject *__pyx_kp_s_115;
 static PyObject *__pyx_kp_s_116;
 static PyObject *__pyx_kp_s_117;
 static PyObject *__pyx_kp_s_118;
-static PyObject *__pyx_kp_s_119;
-static PyObject *__pyx_n_s_120;
+static PyObject *__pyx_n_s_119;
+static PyObject *__pyx_kp_s_120;
 static PyObject *__pyx_kp_s_121;
-static PyObject *__pyx_kp_s_122;
-static PyObject *__pyx_n_s_124;
+static PyObject *__pyx_n_s_123;
+static PyObject *__pyx_kp_s_124;
 static PyObject *__pyx_kp_s_125;
 static PyObject *__pyx_kp_s_126;
 static PyObject *__pyx_kp_s_127;
@@ -2626,12 +2694,13 @@ static PyObject *__pyx_kp_s_91;
 static PyObject *__pyx_kp_s_92;
 static PyObject *__pyx_kp_s_94;
 static PyObject *__pyx_kp_s_95;
-static PyObject *__pyx_kp_s_99;
 static PyObject *__pyx_kp_s__0;
 static PyObject *__pyx_kp_s__1;
+static PyObject *__pyx_n_s__Counter;
 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__FeatureContext;
 static PyObject *__pyx_n_s__GzipFile;
 static PyObject *__pyx_n_s__INCREMENT;
 static PyObject *__pyx_n_s__INITIAL_CAPACITY;
@@ -2658,6 +2727,7 @@ static PyObject *__pyx_n_s__arr_high;
 static PyObject *__pyx_n_s__arr_low;
 static PyObject *__pyx_n_s__by_slack_factor;
 static PyObject *__pyx_n_s__category;
+static PyObject *__pyx_n_s__chain;
 static PyObject *__pyx_n_s__children;
 static PyObject *__pyx_n_s__cmp;
 static PyObject *__pyx_n_s__col;
@@ -2672,16 +2742,20 @@ static PyObject *__pyx_n_s__earray;
 static PyObject *__pyx_n_s__edarray;
 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__f;
+static PyObject *__pyx_n_s__fcount;
 static PyObject *__pyx_n_s__filename;
+static PyObject *__pyx_n_s__fphrase;
 static PyObject *__pyx_n_s__from_binary;
 static PyObject *__pyx_n_s__from_data;
 static PyObject *__pyx_n_s__from_stats;
 static PyObject *__pyx_n_s__from_text;
 static PyObject *__pyx_n_s__frontier;
+static PyObject *__pyx_n_s__fsample_count;
 static PyObject *__pyx_n_s__fsarray;
 static PyObject *__pyx_n_s__fword;
 static PyObject *__pyx_n_s__fwords;
@@ -2707,18 +2781,24 @@ static PyObject *__pyx_n_s__increment;
 static PyObject *__pyx_n_s__index;
 static PyObject *__pyx_n_s__info;
 static PyObject *__pyx_n_s__initial_len;
+static PyObject *__pyx_n_s__input_span;
 static PyObject *__pyx_n_s__insert;
 static PyObject *__pyx_n_s__isa;
 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__key;
 static PyObject *__pyx_n_s__lhs;
 static PyObject *__pyx_n_s__logger;
 static PyObject *__pyx_n_s__logging;
 static PyObject *__pyx_n_s__lookup;
 static PyObject *__pyx_n_s__low;
 static PyObject *__pyx_n_s__map;
+static PyObject *__pyx_n_s__matches;
+static PyObject *__pyx_n_s__max;
 static PyObject *__pyx_n_s__max_chunks;
 static PyObject *__pyx_n_s__max_initial_size;
 static PyObject *__pyx_n_s__max_length;
@@ -2729,11 +2809,13 @@ static PyObject *__pyx_n_s__merge;
 static PyObject *__pyx_n_s__min_dist;
 static PyObject *__pyx_n_s__min_gap_size;
 static PyObject *__pyx_n_s__name;
+static PyObject *__pyx_n_s__namedtuple;
 static PyObject *__pyx_n_s__next_states;
 static PyObject *__pyx_n_s__num_subpatterns;
 static PyObject *__pyx_n_s__offset;
 static PyObject *__pyx_n_s__open;
 static PyObject *__pyx_n_s__pad;
+static PyObject *__pyx_n_s__paircount;
 static PyObject *__pyx_n_s__partition;
 static PyObject *__pyx_n_s__pathlen;
 static PyObject *__pyx_n_s__pattern2phrase;
@@ -2783,6 +2865,7 @@ static PyObject *__pyx_n_s__string;
 static PyObject *__pyx_n_s__suffix_link;
 static PyObject *__pyx_n_s__sym_fromstring;
 static PyObject *__pyx_n_s__terminal;
+static PyObject *__pyx_n_s__test_sentence;
 static PyObject *__pyx_n_s__tight_phrases;
 static PyObject *__pyx_n_s__toMap;
 static PyObject *__pyx_n_s__train_min_gap_size;
@@ -2811,7 +2894,7 @@ static PyObject *__pyx_int_20;
 static PyObject *__pyx_int_1000;
 static PyObject *__pyx_int_65536;
 static PyObject *__pyx_k_41;
-static PyObject *__pyx_k_100;
+static PyObject *__pyx_k_99;
 static PyObject *__pyx_k_tuple_10;
 static PyObject *__pyx_k_tuple_11;
 static PyObject *__pyx_k_tuple_12;
@@ -2857,9 +2940,9 @@ static PyObject *__pyx_k_tuple_93;
 static PyObject *__pyx_k_tuple_96;
 static PyObject *__pyx_k_tuple_97;
 static PyObject *__pyx_k_tuple_98;
-static PyObject *__pyx_k_tuple_103;
-static PyObject *__pyx_k_tuple_108;
-static PyObject *__pyx_k_tuple_123;
+static PyObject *__pyx_k_tuple_102;
+static PyObject *__pyx_k_tuple_107;
+static PyObject *__pyx_k_tuple_122;
 static PyObject *__pyx_k_tuple_135;
 static PyObject *__pyx_k_tuple_139;
 static PyObject *__pyx_k_tuple_140;
@@ -2977,7 +3060,6 @@ static PyObject *__pyx_pw_3_sa_1gzip_or_text(PyObject *__pyx_self, PyObject *__p
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("gzip_or_text (wrapper)", 0);
-  __pyx_self = __pyx_self;
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   }
@@ -3100,11 +3182,11 @@ static int __pyx_pw_3_sa_9FloatList_1__cinit__(PyObject *__pyx_v_self, PyObject
   int __pyx_v_size;
   int __pyx_v_increment;
   int __pyx_v_initial_len;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,&__pyx_n_s__increment,&__pyx_n_s__initial_len,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,&__pyx_n_s__increment,&__pyx_n_s__initial_len,0};
     PyObject* values[3] = {0,0,0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -3137,18 +3219,6 @@ static int __pyx_pw_3_sa_9FloatList_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[1]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
-      if (values[0]) {
-      } else {
-        __pyx_v_size = ((int)0);
-      }
-      if (values[1]) {
-      } else {
-        __pyx_v_increment = ((int)1);
-      }
-      if (values[2]) {
-      } else {
-        __pyx_v_initial_len = ((int)0);
-      }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
         case  3: values[2] = PyTuple_GET_ITEM(__pyx_args, 2);
@@ -3187,7 +3257,7 @@ static int __pyx_pw_3_sa_9FloatList_1__cinit__(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":11
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":11
  * cdef class FloatList:
  * 
  *     def __cinit__(self, int size=0, int increment=1, int initial_len=0):             # <<<<<<<<<<<<<<
@@ -3201,7 +3271,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
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   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":12
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":12
  * 
  *     def __cinit__(self, int size=0, int increment=1, int initial_len=0):
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@@ -3211,7 +3281,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
   __pyx_t_1 = (__pyx_v_initial_len > __pyx_v_size);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":13
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":13
  *     def __cinit__(self, int size=0, int increment=1, int initial_len=0):
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   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":14
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":14
  *         if initial_len > size:
  *             size = initial_len
  *         self.size = size             # <<<<<<<<<<<<<<
@@ -3232,7 +3302,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
  */
   __pyx_v_self->size = __pyx_v_size;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":15
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":15
  *             size = initial_len
  *         self.size = size
  *         self.increment = increment             # <<<<<<<<<<<<<<
@@ -3241,7 +3311,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
  */
   __pyx_v_self->increment = __pyx_v_increment;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":16
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":16
  *         self.size = size
  *         self.increment = increment
  *         self.len = initial_len             # <<<<<<<<<<<<<<
@@ -3250,7 +3320,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
  */
   __pyx_v_self->len = __pyx_v_initial_len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":17
  *         self.increment = increment
  *         self.len = initial_len
  *         self.arr = <float*> malloc(size*sizeof(float))             # <<<<<<<<<<<<<<
@@ -3259,7 +3329,7 @@ static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *_
  */
   __pyx_v_self->arr = ((float *)malloc((__pyx_v_size * (sizeof(float)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":18
  *         self.len = initial_len
  *         self.arr = <float*> malloc(size*sizeof(float))
  *         memset(self.arr, 0, initial_len*sizeof(float))             # <<<<<<<<<<<<<<
@@ -3282,7 +3352,7 @@ static void __pyx_pw_3_sa_9FloatList_3__dealloc__(PyObject *__pyx_v_self) {
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-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":59
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-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":65
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-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":66
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":66
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  *         self.arr = <float*> malloc(self.len * sizeof(float))
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   __pyx_v_self->size = __pyx_v_self->len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":67
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":67
  *         self.arr = <float*> malloc(self.len * sizeof(float))
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":69
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":69
  *         fread(self.arr, sizeof(float), self.len, f)
  * 
  *     def read(self, char* filename):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":71
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  *     def read(self, char* filename):
  *         cdef FILE* f
  *         f = fopen(filename, "r")             # <<<<<<<<<<<<<<
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   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__r);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":72
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":72
  *         cdef FILE* f
  *         f = fopen(filename, "r")
  *         self.read_handle(f)             # <<<<<<<<<<<<<<
@@ -3989,7 +4056,7 @@ static PyObject *__pyx_pf_3_sa_9FloatList_14read(struct __pyx_obj_3_sa_FloatList
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-  /* "/home/vchahune/tools/cdec/python/src/sa/float_list.pxi":73
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":73
  *         f = fopen(filename, "r")
  *         self.read_handle(f)
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@@ -4008,11 +4075,11 @@ static int __pyx_pw_3_sa_7IntList_1__cinit__(PyObject *__pyx_v_self, PyObject *_
   int __pyx_v_size;
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   int __pyx_v_initial_len;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,&__pyx_n_s__increment,&__pyx_n_s__initial_len,0};
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@@ -4045,18 +4112,6 @@ static int __pyx_pw_3_sa_7IntList_1__cinit__(PyObject *__pyx_v_self, PyObject *_
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":11
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":11
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":12
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":12
  * 
  *     def __cinit__(self, int size=0, int increment=1, int initial_len=0):
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":13
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":13
  *     def __cinit__(self, int size=0, int increment=1, int initial_len=0):
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":14
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":14
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":15
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":15
  *             size = initial_len
  *         self.size = size
  *         self.increment = increment             # <<<<<<<<<<<<<<
@@ -4149,7 +4204,7 @@ static int __pyx_pf_3_sa_7IntList___cinit__(struct __pyx_obj_3_sa_IntList *__pyx
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   __pyx_v_self->increment = __pyx_v_increment;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":16
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":16
  *         self.size = size
  *         self.increment = increment
  *         self.len = initial_len             # <<<<<<<<<<<<<<
@@ -4158,7 +4213,7 @@ static int __pyx_pf_3_sa_7IntList___cinit__(struct __pyx_obj_3_sa_IntList *__pyx
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   __pyx_v_self->len = __pyx_v_initial_len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":17
  *         self.increment = increment
  *         self.len = initial_len
  *         self.arr = <int*> malloc(size*sizeof(int))             # <<<<<<<<<<<<<<
@@ -4167,7 +4222,7 @@ static int __pyx_pf_3_sa_7IntList___cinit__(struct __pyx_obj_3_sa_IntList *__pyx
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":18
  *         self.len = initial_len
  *         self.arr = <int*> malloc(size*sizeof(int))
  *         memset(self.arr, 0, initial_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -4192,7 +4247,7 @@ static PyObject *__pyx_pw_3_sa_7IntList_3__str__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":20
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":20
  *         memset(self.arr, 0, initial_len*sizeof(int))
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -4215,7 +4270,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":22
  *     def __str__(self):
  *         cdef unsigned i
  *         ret = "IntList["             # <<<<<<<<<<<<<<
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   __pyx_v_ret = ((PyObject *)__pyx_kp_s_3);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":23
  *         cdef unsigned i
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  *         for idx in range(self.size):             # <<<<<<<<<<<<<<
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     __pyx_v_idx = __pyx_t_2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":24
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":24
  *         ret = "IntList["
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     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":25
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":25
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":26
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":26
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     __pyx_t_5 = 0;
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":27
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":27
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":28
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":28
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   __pyx_t_5 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":29
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":29
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   __pyx_t_4 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":30
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":30
  *         ret += "len="
  *         ret += self.len
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":32
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":32
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":34
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":35
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":35
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-    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_4 = PyObject_RichCompare(__pyx_t_3, __pyx_v_val, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":36
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":36
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":37
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":37
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-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__start);
-        if (likely(values[0])) kw_args--;
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":39
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":40
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":41
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":41
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":42
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":42
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":43
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":43
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":44
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":44
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":45
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":46
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":47
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-      __Pyx_GOTREF(__pyx_t_2);
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":48
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":48
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":49
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":49
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":50
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":50
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":51
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":52
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":52
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":53
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":54
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":55
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-      __Pyx_GOTREF(__pyx_t_4);
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":56
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":56
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":57
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":57
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":58
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":58
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":59
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-        /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":60
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":60
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":61
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":62
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-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":64
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":65
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":66
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":67
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":68
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":70
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-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":72
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":73
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":75
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@@ -5127,7 +5172,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_12reset(struct __pyx_obj_3_sa_IntList *_
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   __Pyx_RefNannySetupContext("reset", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":76
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":76
  * 
  *     def reset(self):
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@@ -5151,7 +5196,7 @@ static void __pyx_pw_3_sa_7IntList_15__dealloc__(PyObject *__pyx_v_self) {
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":78
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":78
  *         self.len = 0
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -5163,7 +5208,7 @@ static void __pyx_pf_3_sa_7IntList_14__dealloc__(struct __pyx_obj_3_sa_IntList *
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   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":79
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":79
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  *     def __dealloc__(self):
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@@ -5187,7 +5232,7 @@ static PyObject *__pyx_pw_3_sa_7IntList_17__iter__(PyObject *__pyx_v_self) {
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":81
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":81
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  *     def __iter__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":83
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":83
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@@ -5261,7 +5306,7 @@ static PyObject *__pyx_gb_3_sa_7IntList_18generator(__pyx_GeneratorObject *__pyx
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":84
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":84
  *         cdef int i
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@@ -5292,6 +5337,7 @@ static PyObject *__pyx_gb_3_sa_7IntList_18generator(__pyx_GeneratorObject *__pyx
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":86
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":86
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@@ -5337,7 +5383,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":88
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":88
  *     def __getitem__(self, index):
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":89
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":89
  *         cdef int i, j, k
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  *             j = index             # <<<<<<<<<<<<<<
@@ -5360,7 +5406,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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     __pyx_v_j = __pyx_t_3;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":90
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":90
  *         if isinstance(index, int):
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@@ -5370,7 +5416,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":91
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":91
  *             j = index
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  *                 j = self.len + j             # <<<<<<<<<<<<<<
@@ -5382,7 +5428,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":92
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":92
  *             if j < 0:
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@@ -5398,7 +5444,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     }
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":93
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":93
  *                 j = self.len + j
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  *                 raise IndexError("Requested index %d of %d-length IntList" % (index, self.len))             # <<<<<<<<<<<<<<
@@ -5433,7 +5479,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     }
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":94
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":94
  *             if j<0 or j>=self.len:
  *                 raise IndexError("Requested index %d of %d-length IntList" % (index, self.len))
  *             return self.arr[j]             # <<<<<<<<<<<<<<
@@ -5449,7 +5495,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":95
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":95
  *                 raise IndexError("Requested index %d of %d-length IntList" % (index, self.len))
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   if (__pyx_t_5) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":96
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":96
  *             return self.arr[j]
  *         elif isinstance(index, slice):
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@@ -5475,7 +5521,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":97
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":97
  *         elif isinstance(index, slice):
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@@ -5488,7 +5534,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":98
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":98
  *             i = index.start
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@@ -5498,7 +5544,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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     if (__pyx_t_5) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":99
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":99
  *             j = index.stop
  *             if i < 0:
  *                 i = self.len + i             # <<<<<<<<<<<<<<
@@ -5510,7 +5556,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     }
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":100
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":100
  *             if i < 0:
  *                 i = self.len + i
  *             if j < 0:             # <<<<<<<<<<<<<<
@@ -5520,7 +5566,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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     if (__pyx_t_5) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":101
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":101
  *                 i = self.len + i
  *             if j < 0:
  *                 j = self.len + j             # <<<<<<<<<<<<<<
@@ -5532,7 +5578,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     }
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":102
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":102
  *             if j < 0:
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@@ -5560,7 +5606,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
     }
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-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":103
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":103
  *                 j = self.len + j
  *             if i < 0 or i >= self.len or j < 0 or j > self.len:
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@@ -5602,7 +5648,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":104
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":104
  *             if i < 0 or i >= self.len or j < 0 or j > self.len:
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  *             result = ()             # <<<<<<<<<<<<<<
@@ -5612,7 +5658,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":105
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":105
  *                 raise IndexError("Requested index %d:%d of %d-length IntList" % (index.start, index.stop, self.len))
  *             result = ()
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@@ -5622,7 +5668,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
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     for (__pyx_v_k = __pyx_v_i; __pyx_v_k < __pyx_t_3; __pyx_v_k++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":106
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":106
  *             result = ()
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@@ -5644,7 +5690,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
       __pyx_t_9 = 0;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":107
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":107
  *             for k from i <= k < j:
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@@ -5659,7 +5705,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_19__getitem__(struct __pyx_obj_3_sa_IntL
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":109
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":109
  *             return result
  *         else:
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":111
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":111
  *             raise TypeError("Illegal key type %s for IntList" % type(index))
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  *     cdef void set(self, int i, int val):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":112
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":112
  * 
  *     cdef void set(self, int i, int val):
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  */
   __pyx_v_j = __pyx_v_i;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":113
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":113
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":114
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":114
  *         j = i
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  *             j = self.len + i             # <<<<<<<<<<<<<<
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   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":115
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":115
  *         if i<0:
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   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":116
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":116
  *             j = self.len + i
  *         if j<0 or j>=self.len:
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   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":117
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":117
  *         if j<0 or j>=self.len:
  *             raise IndexError("Requested index %d of %d-length IntList" % (i, self.len))
  *         self.arr[j] = val             # <<<<<<<<<<<<<<
@@ -5834,7 +5880,7 @@ static int __pyx_pw_3_sa_7IntList_22__setitem__(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":119
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":119
  *         self.arr[j] = val
  * 
  *     def __setitem__(self, i, val):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":120
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":120
  * 
  *     def __setitem__(self, i, val):
  *         self.set(i, val)             # <<<<<<<<<<<<<<
@@ -5884,7 +5930,7 @@ static Py_ssize_t __pyx_pw_3_sa_7IntList_24__len__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":122
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":122
  *         self.set(i, val)
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -5897,7 +5943,7 @@ static Py_ssize_t __pyx_pf_3_sa_7IntList_23__len__(struct __pyx_obj_3_sa_IntList
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   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":123
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":123
  * 
  *     def __len__(self):
  *         return self.len             # <<<<<<<<<<<<<<
@@ -5924,7 +5970,7 @@ static PyObject *__pyx_pw_3_sa_7IntList_26getSize(PyObject *__pyx_v_self, CYTHON
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":125
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":125
  *         return self.len
  * 
  *     def getSize(self):             # <<<<<<<<<<<<<<
@@ -5941,7 +5987,7 @@ static PyObject *__pyx_pf_3_sa_7IntList_25getSize(struct __pyx_obj_3_sa_IntList
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   __Pyx_RefNannySetupContext("getSize", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":126
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":126
  * 
  *     def getSize(self):
  *         return self.size             # <<<<<<<<<<<<<<
@@ -5988,7 +6034,7 @@ static PyObject *__pyx_pw_3_sa_7IntList_28append(PyObject *__pyx_v_self, PyObjec
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":128
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":128
  *         return self.size
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":133
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-    /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":134
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":136
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":153
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":153
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":154
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":165
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":177
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-  /* "/home/vchahune/tools/cdec/python/src/sa/int_list.pxi":178
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-  /* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":17
  * 
  *     def __dealloc__(self):
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-/* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":19
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  *     cdef char *word(self, int i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":20
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":20
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  *     cdef char *word(self, int i):
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":22
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":22
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  *     cdef int index(self, char *s):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/str_map.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":23
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  *     cdef int index(self, char *s):
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   int __pyx_v_use_sent_id;
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   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
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+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_binary,&__pyx_n_s__from_text,&__pyx_n_s__side,&__pyx_n_s__use_sent_id,0};
     PyObject* values[4] = {0,0,0,0};
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":17
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":17
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":18
  * 
  *     def __cinit__(self, from_binary=None, from_text=None, side=None, bint use_sent_id=False):
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":19
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":19
  *     def __cinit__(self, from_binary=None, from_text=None, side=None, bint use_sent_id=False):
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@@ -6777,7 +6819,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":20
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":20
  *         self.word2id = {"END_OF_FILE":0, "END_OF_LINE":1}
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@@ -6792,7 +6834,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":21
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":21
  *         self.id2word = ["END_OF_FILE", "END_OF_LINE"]
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  *         self.sent_id = IntList(1000,1000)             # <<<<<<<<<<<<<<
@@ -6807,7 +6849,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":22
  *         self.data = IntList(1000,1000)
  *         self.sent_id = IntList(1000,1000)
  *         self.sent_index = IntList(1000,1000)             # <<<<<<<<<<<<<<
@@ -6822,7 +6864,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":23
  *         self.sent_id = IntList(1000,1000)
  *         self.sent_index = IntList(1000,1000)
  *         self.use_sent_id = use_sent_id             # <<<<<<<<<<<<<<
@@ -6831,7 +6873,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
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   __pyx_v_self->use_sent_id = __pyx_v_use_sent_id;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":24
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":24
  *         self.sent_index = IntList(1000,1000)
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":25
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":25
  *         self.use_sent_id = use_sent_id
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@@ -6863,7 +6905,7 @@ static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *_
     goto __pyx_L3;
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":26
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":26
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":27
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":27
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     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":28
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":28
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+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_side, ((PyObject *)__pyx_n_s__source), Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 28; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":30
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":30
  *                 self.read_bitext(from_text, (0 if side == 'source' else 1))
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":32
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":32
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  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":33
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":33
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  *     def __len__(self):
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":35
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":35
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  * 
  *     def getSentId(self, i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":36
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":36
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  *     def getSentId(self, i):
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":38
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":38
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  *     def getSent(self, i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":40
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":40
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":41
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":41
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":42
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":42
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":43
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":43
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     __pyx_t_1 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":44
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":44
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":43
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":43
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":45
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":45
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":47
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":47
  *         return sent
  * 
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":48
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":48
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  *     def getSentPos(self, loc):
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":50
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":50
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  *     def get_id(self, word):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":51
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":51
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":77
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":78
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":78
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":79
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":80
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-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":81
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-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":82
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-        /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":83
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-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":84
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":85
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":86
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-      /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":87
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":88
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":88
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":89
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":90
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":93
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":96
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":97
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-/* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":99
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":105
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":106
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":106
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":107
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":108
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":109
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":110
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":111
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":111
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":138
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":139
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":140
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":144
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":145
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":146
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":144
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-      __pyx_t_1 = PyList_GET_ITEM(__pyx_t_5, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":147
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":148
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":149
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":151
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":22
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-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":24
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":29
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":40
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":41
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-    /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":42
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":43
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+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_binary,&__pyx_n_s__from_text,0};
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-    /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":45
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":45
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":46
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":46
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":47
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":47
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":48
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":48
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  *         self.sent_index = IntList(1000,1000)
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-    /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":49
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":49
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     goto __pyx_L3;
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":50
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":50
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-    /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":51
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":51
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":53
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":53
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":54
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":54
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           __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":55
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":55
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-              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_1)) {
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-              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":56
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":56
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":57
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":57
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             __pyx_t_2 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":58
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":58
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-                __pyx_t_3 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++;
+                #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[4]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L7_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[4]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                #endif
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-                __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++;
+                #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[4]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L7_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[4]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                #endif
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               __pyx_t_3 = 0;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":59
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":59
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+                  {__pyx_filename = __pyx_f[4]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+                #if CYTHON_COMPILING_IN_CPYTHON
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+                #else
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+                __pyx_t_13 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                #endif
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+                __pyx_t_15 = NULL;
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-                if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-                if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
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               __pyx_t_13 = 0;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":60
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":60
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":61
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":61
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         __Pyx_XDECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":54
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":54
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":63
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":63
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":65
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":65
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  *         f = fopen(filename, "r")             # <<<<<<<<<<<<<<
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  */
   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__r);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":66
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":66
  *         cdef FILE* f
  *         f = fopen(filename, "r")
  *         self.links.read_handle(f)             # <<<<<<<<<<<<<<
@@ -10756,7 +10877,7 @@ static PyObject *__pyx_pf_3_sa_9Alignment_8read_binary(struct __pyx_obj_3_sa_Ali
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   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->links->__pyx_vtab)->read_handle(__pyx_v_self->links, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":67
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":67
  *         f = fopen(filename, "r")
  *         self.links.read_handle(f)
  *         self.sent_index.read_handle(f)             # <<<<<<<<<<<<<<
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   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_index->__pyx_vtab)->read_handle(__pyx_v_self->sent_index, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":68
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":68
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  *         self.sent_index.read_handle(f)
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":70
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":70
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":71
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":72
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":73
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":74
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-              /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":75
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-              /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":76
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":77
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":77
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":78
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":78
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-        /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":71
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-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":80
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":82
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":83
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":83
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":84
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":84
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":85
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":85
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-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":87
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":88
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":89
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":89
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":90
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":90
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":91
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":92
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":92
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":93
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":93
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-              __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++;
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+              #else
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+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
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-            /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":94
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":94
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-          /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":95
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":95
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-        /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":88
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":88
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-/* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":97
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":100
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":101
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":101
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   __pyx_v_start = (__pyx_v_self->sent_index->arr[__pyx_t_2]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":102
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":102
  *         result = []
  *         start = self.sent_index.arr[i]
  *         end = self.sent_index.arr[i+1]             # <<<<<<<<<<<<<<
@@ -11653,7 +11797,7 @@ static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alig
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_v_end = (__pyx_v_self->sent_index->arr[__pyx_t_2]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":103
  *         start = self.sent_index.arr[i]
  *         end = self.sent_index.arr[i+1]
  *         for j from start <= j < end:             # <<<<<<<<<<<<<<
@@ -11663,7 +11807,7 @@ static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alig
   __pyx_t_3 = __pyx_v_end;
   for (__pyx_v_j = __pyx_v_start; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":104
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":104
  *         end = self.sent_index.arr[i+1]
  *         for j from start <= j < end:
  *             result.append(self.unlink(self.links.arr[j]))             # <<<<<<<<<<<<<<
@@ -11686,7 +11830,7 @@ static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alig
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":105
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":105
  *         for j from start <= j < end:
  *             result.append(self.unlink(self.links.arr[j]))
  *         return result             # <<<<<<<<<<<<<<
@@ -11711,7 +11855,7 @@ static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alig
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":15
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":15
  *     int val
  * 
  * cdef _node* new_node(int key):             # <<<<<<<<<<<<<<
@@ -11725,7 +11869,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
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   __Pyx_RefNannySetupContext("new_node", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":17
  * cdef _node* new_node(int key):
  *     cdef _node* n
  *     n = <_node*> malloc(sizeof(_node))             # <<<<<<<<<<<<<<
@@ -11734,7 +11878,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
  */
   __pyx_v_n = ((struct __pyx_t_3_sa__node *)malloc((sizeof(struct __pyx_t_3_sa__node))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":18
  *     cdef _node* n
  *     n = <_node*> malloc(sizeof(_node))
  *     n.smaller = NULL             # <<<<<<<<<<<<<<
@@ -11743,7 +11887,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
  */
   __pyx_v_n->smaller = NULL;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":19
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":19
  *     n = <_node*> malloc(sizeof(_node))
  *     n.smaller = NULL
  *     n.bigger = NULL             # <<<<<<<<<<<<<<
@@ -11752,7 +11896,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
  */
   __pyx_v_n->bigger = NULL;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":20
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":20
  *     n.smaller = NULL
  *     n.bigger = NULL
  *     n.key = key             # <<<<<<<<<<<<<<
@@ -11761,7 +11905,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
  */
   __pyx_v_n->key = __pyx_v_key;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":21
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":21
  *     n.bigger = NULL
  *     n.key = key
  *     n.val = 0             # <<<<<<<<<<<<<<
@@ -11770,7 +11914,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
  */
   __pyx_v_n->val = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":22
  *     n.key = key
  *     n.val = 0
  *     return n             # <<<<<<<<<<<<<<
@@ -11786,7 +11930,7 @@ static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":25
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":25
  * 
  * 
  * cdef del_node(_node* n):             # <<<<<<<<<<<<<<
@@ -11804,7 +11948,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
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   __Pyx_RefNannySetupContext("del_node", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":26
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":26
  * 
  * cdef del_node(_node* n):
  *     if n.smaller != NULL:             # <<<<<<<<<<<<<<
@@ -11814,7 +11958,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
   __pyx_t_1 = (__pyx_v_n->smaller != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":27
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":27
  * cdef del_node(_node* n):
  *     if n.smaller != NULL:
  *         del_node(n.smaller)             # <<<<<<<<<<<<<<
@@ -11828,7 +11972,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":28
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":28
  *     if n.smaller != NULL:
  *         del_node(n.smaller)
  *     if n.bigger != NULL:             # <<<<<<<<<<<<<<
@@ -11838,7 +11982,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
   __pyx_t_1 = (__pyx_v_n->bigger != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":29
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":29
  *         del_node(n.smaller)
  *     if n.bigger != NULL:
  *         del_node(n.bigger)             # <<<<<<<<<<<<<<
@@ -11852,7 +11996,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":30
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":30
  *     if n.bigger != NULL:
  *         del_node(n.bigger)
  *     free(n)             # <<<<<<<<<<<<<<
@@ -11873,7 +12017,7 @@ static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":32
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":32
  *     free(n)
  * 
  * cdef int* get_val(_node* n, int key):             # <<<<<<<<<<<<<<
@@ -11887,7 +12031,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("get_val", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":33
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":33
  * 
  * cdef int* get_val(_node* n, int key):
  *     if key == n.key:             # <<<<<<<<<<<<<<
@@ -11897,7 +12041,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
   __pyx_t_1 = (__pyx_v_key == __pyx_v_n->key);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":34
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":34
  * cdef int* get_val(_node* n, int key):
  *     if key == n.key:
  *         return &n.val             # <<<<<<<<<<<<<<
@@ -11909,7 +12053,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":35
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":35
  *     if key == n.key:
  *         return &n.val
  *     elif key < n.key:             # <<<<<<<<<<<<<<
@@ -11919,7 +12063,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
   __pyx_t_1 = (__pyx_v_key < __pyx_v_n->key);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":36
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":36
  *         return &n.val
  *     elif key < n.key:
  *         if n.smaller == NULL:             # <<<<<<<<<<<<<<
@@ -11929,7 +12073,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
     __pyx_t_1 = (__pyx_v_n->smaller == NULL);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":37
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":37
  *     elif key < n.key:
  *         if n.smaller == NULL:
  *             n.smaller = new_node(key)             # <<<<<<<<<<<<<<
@@ -11938,7 +12082,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
  */
       __pyx_v_n->smaller = __pyx_f_3_sa_new_node(__pyx_v_key);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":38
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":38
  *         if n.smaller == NULL:
  *             n.smaller = new_node(key)
  *             return &(n.smaller.val)             # <<<<<<<<<<<<<<
@@ -11951,7 +12095,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
     }
     __pyx_L4:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":39
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":39
  *             n.smaller = new_node(key)
  *             return &(n.smaller.val)
  *         return get_val(n.smaller, key)             # <<<<<<<<<<<<<<
@@ -11964,7 +12108,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":41
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":41
  *         return get_val(n.smaller, key)
  *     else:
  *         if n.bigger == NULL:             # <<<<<<<<<<<<<<
@@ -11974,7 +12118,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
     __pyx_t_1 = (__pyx_v_n->bigger == NULL);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":42
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":42
  *     else:
  *         if n.bigger == NULL:
  *             n.bigger = new_node(key)             # <<<<<<<<<<<<<<
@@ -11983,7 +12127,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
  */
       __pyx_v_n->bigger = __pyx_f_3_sa_new_node(__pyx_v_key);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":43
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":43
  *         if n.bigger == NULL:
  *             n.bigger = new_node(key)
  *             return &(n.bigger.val)             # <<<<<<<<<<<<<<
@@ -11996,7 +12140,7 @@ static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *__pyx_v_n, int __pyx
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":44
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":44
  *             n.bigger = new_node(key)
  *             return &(n.bigger.val)
  *         return get_val(n.bigger, key)             # <<<<<<<<<<<<<<
@@ -12023,14 +12167,14 @@ static int __pyx_pw_3_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__p
   PyObject *__pyx_v_earray = 0;
   PyObject *__pyx_v_fsarray = 0;
   PyObject *__pyx_v_alignment = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_text,&__pyx_n_s__from_data,&__pyx_n_s__from_binary,&__pyx_n_s__earray,&__pyx_n_s__fsarray,&__pyx_n_s__alignment,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_text,&__pyx_n_s__from_data,&__pyx_n_s__from_binary,&__pyx_n_s__earray,&__pyx_n_s__fsarray,&__pyx_n_s__alignment,0};
     PyObject* values[6] = {0,0,0,0,0,0};
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":54
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":54
  *     cdef id2eword, id2fword, eword2id, fword2id
  * 
  *     def __cinit__(self, from_text=None, from_data=False, from_binary=None,             # <<<<<<<<<<<<<<
@@ -12041,7 +12185,7 @@ static int __pyx_pw_3_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__p
     values[1] = __pyx_k_41;
     values[2] = ((PyObject *)Py_None);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":55
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":55
  * 
  *     def __cinit__(self, from_text=None, from_data=False, from_binary=None,
  *             earray=None, fsarray=None, alignment=None):             # <<<<<<<<<<<<<<
@@ -12132,7 +12276,7 @@ static int __pyx_pw_3_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__p
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":54
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":54
  *     cdef id2eword, id2fword, eword2id, fword2id
  * 
  *     def __cinit__(self, from_text=None, from_data=False, from_binary=None,             # <<<<<<<<<<<<<<
@@ -12153,7 +12297,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
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   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":56
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":56
  *     def __cinit__(self, from_text=None, from_data=False, from_binary=None,
  *             earray=None, fsarray=None, alignment=None):
  *         self.id2eword = []             # <<<<<<<<<<<<<<
@@ -12168,7 +12312,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->id2eword = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":57
  *             earray=None, fsarray=None, alignment=None):
  *         self.id2eword = []
  *         self.id2fword = []             # <<<<<<<<<<<<<<
@@ -12183,7 +12327,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->id2fword = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":58
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":58
  *         self.id2eword = []
  *         self.id2fword = []
  *         self.eword2id = {}             # <<<<<<<<<<<<<<
@@ -12198,7 +12342,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->eword2id = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":59
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":59
  *         self.id2fword = []
  *         self.eword2id = {}
  *         self.fword2id = {}             # <<<<<<<<<<<<<<
@@ -12213,7 +12357,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->fword2id = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":60
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":60
  *         self.eword2id = {}
  *         self.fword2id = {}
  *         self.e_index = IntList()             # <<<<<<<<<<<<<<
@@ -12228,7 +12372,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->e_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":61
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":61
  *         self.fword2id = {}
  *         self.e_index = IntList()
  *         self.f_index = IntList()             # <<<<<<<<<<<<<<
@@ -12243,7 +12387,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->f_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":62
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":62
  *         self.e_index = IntList()
  *         self.f_index = IntList()
  *         self.col1 = FloatList()             # <<<<<<<<<<<<<<
@@ -12258,7 +12402,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->col1 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":63
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":63
  *         self.f_index = IntList()
  *         self.col1 = FloatList()
  *         self.col2 = FloatList()             # <<<<<<<<<<<<<<
@@ -12273,7 +12417,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_v_self->col2 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":64
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":64
  *         self.col1 = FloatList()
  *         self.col2 = FloatList()
  *         if from_binary:             # <<<<<<<<<<<<<<
@@ -12283,7 +12427,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_from_binary); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 64; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":65
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":65
  *         self.col2 = FloatList()
  *         if from_binary:
  *             self.read_binary(from_binary)             # <<<<<<<<<<<<<<
@@ -12305,7 +12449,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":66
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":66
  *         if from_binary:
  *             self.read_binary(from_binary)
  *         elif from_data:             # <<<<<<<<<<<<<<
@@ -12315,7 +12459,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
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   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":67
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":67
  *             self.read_binary(from_binary)
  *         elif from_data:
  *             self.compute_from_data(fsarray, earray, alignment)             # <<<<<<<<<<<<<<
@@ -12341,7 +12485,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":69
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":69
  *             self.compute_from_data(fsarray, earray, alignment)
  *         else:
  *             self.read_text(from_text)             # <<<<<<<<<<<<<<
@@ -12377,7 +12521,7 @@ static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":72
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":72
  * 
  * 
  *     cdef compute_from_data(self, SuffixArray fsa, DataArray eda, Alignment aa):             # <<<<<<<<<<<<<<
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   int *__pyx_v_fmargin;
   int *__pyx_v_emargin;
   int *__pyx_v_count;
-  PyObject *__pyx_v_word = 0;
   int __pyx_v_null_word;
+  PyObject *__pyx_v_word = NULL;
   PyObject *__pyx_v_id = NULL;
   PyObject *__pyx_v_num_sents = NULL;
   PyObject *__pyx_r = NULL;
@@ -12431,7 +12575,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("compute_from_data", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":80
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":79
  *         cdef int null_word
  * 
  *         null_word = 0             # <<<<<<<<<<<<<<
@@ -12440,7 +12584,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
   __pyx_v_null_word = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":81
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":80
  * 
  *         null_word = 0
  *         for word in fsa.darray.id2word: # I miss list comprehensions             # <<<<<<<<<<<<<<
@@ -12451,56 +12595,63 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
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+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_fsa->darray->id2word); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #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[5]; __pyx_lineno = 80; __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[5]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
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-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
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+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
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       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
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           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    if (!(likely(PyBytes_CheckExact(__pyx_t_4))||((__pyx_t_4) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected bytes, got %.200s", Py_TYPE(__pyx_t_4)->tp_name), 0))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_XDECREF(((PyObject *)__pyx_v_word));
-    __pyx_v_word = ((PyObject*)__pyx_t_4);
+    __Pyx_XDECREF(__pyx_v_word);
+    __pyx_v_word = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":82
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":81
  *         null_word = 0
  *         for word in fsa.darray.id2word: # I miss list comprehensions
  *             self.id2fword.append(word)             # <<<<<<<<<<<<<<
  *         self.id2fword[null_word] = "NULL"
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+    __pyx_t_4 = __Pyx_PyObject_Append(__pyx_v_self->id2fword, __pyx_v_word); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":83
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":82
  *         for word in fsa.darray.id2word: # I miss list comprehensions
  *             self.id2fword.append(word)
  *         self.id2fword[null_word] = "NULL"             # <<<<<<<<<<<<<<
  *         for id, word in enumerate(self.id2fword):
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-  if (__Pyx_SetItemInt(__pyx_v_self->id2fword, __pyx_v_null_word, ((PyObject *)__pyx_n_s__NULL), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetItemInt(__pyx_v_self->id2fword, __pyx_v_null_word, ((PyObject *)__pyx_n_s__NULL), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":84
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":83
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  *         self.id2fword[null_word] = "NULL"
  *         for id, word in enumerate(self.id2fword):             # <<<<<<<<<<<<<<
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+    __pyx_t_2 = -1; __pyx_t_4 = PyObject_GetIter(__pyx_v_self->id2fword); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_4)) {
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-      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
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+      #endif
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-          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __Pyx_XDECREF(((PyObject *)__pyx_v_word));
-    __pyx_v_word = ((PyObject*)__pyx_t_5);
+    __Pyx_XDECREF(__pyx_v_word);
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+    __pyx_t_5 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":85
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":84
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+    if (PyObject_SetItem(__pyx_v_self->fword2id, __pyx_v_word, __pyx_v_id) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":86
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  * 
  *         for word in eda.id2word:             # <<<<<<<<<<<<<<
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+    __pyx_t_2 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_eda->id2word); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
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-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
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-    __Pyx_XDECREF(((PyObject *)__pyx_v_word));
-    __pyx_v_word = ((PyObject*)__pyx_t_4);
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":88
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":89
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":90
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":89
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-      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
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-      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
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-          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __Pyx_XDECREF(((PyObject *)__pyx_v_word));
-    __pyx_v_word = ((PyObject*)__pyx_t_5);
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":91
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":90
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":92
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":95
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":94
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+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":96
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":95
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":97
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":96
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":98
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":97
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":99
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":98
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":100
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":99
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":102
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":101
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":102
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":105
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":106
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+  __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":108
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":107
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":109
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":108
  * 
  *             fsent = fsa.darray.data.arr + fsa.darray.sent_index.arr[sent_id]
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":110
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":109
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":111
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":110
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  *             faligned = <int*> malloc(I*sizeof(int))
  *             memset(faligned, 0, I*sizeof(int))             # <<<<<<<<<<<<<<
@@ -12834,7 +13006,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     memset(__pyx_v_faligned, 0, (__pyx_v_I * (sizeof(int))));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":113
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":112
  *             memset(faligned, 0, I*sizeof(int))
  * 
  *             esent = eda.data.arr + eda.sent_index.arr[sent_id]             # <<<<<<<<<<<<<<
@@ -12843,7 +13015,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     __pyx_v_esent = (__pyx_v_eda->data->arr + (__pyx_v_eda->sent_index->arr[__pyx_v_sent_id]));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":114
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":113
  * 
  *             esent = eda.data.arr + eda.sent_index.arr[sent_id]
  *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1             # <<<<<<<<<<<<<<
@@ -12852,7 +13024,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     __pyx_v_J = (((__pyx_v_eda->sent_index->arr[(__pyx_v_sent_id + 1)]) - (__pyx_v_eda->sent_index->arr[__pyx_v_sent_id])) - 1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":115
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":114
  *             esent = eda.data.arr + eda.sent_index.arr[sent_id]
  *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1
  *             ealigned = <int*> malloc(J*sizeof(int))             # <<<<<<<<<<<<<<
@@ -12861,7 +13033,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     __pyx_v_ealigned = ((int *)malloc((__pyx_v_J * (sizeof(int)))));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":116
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":115
  *             J = eda.sent_index.arr[sent_id+1] - eda.sent_index.arr[sent_id] - 1
  *             ealigned = <int*> malloc(J*sizeof(int))
  *             memset(ealigned, 0, J*sizeof(int))             # <<<<<<<<<<<<<<
@@ -12870,7 +13042,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     memset(__pyx_v_ealigned, 0, (__pyx_v_J * (sizeof(int))));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":118
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":117
  *             memset(ealigned, 0, J*sizeof(int))
  * 
  *             links = aa._get_sent_links(sent_id, &num_links)             # <<<<<<<<<<<<<<
@@ -12879,7 +13051,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     __pyx_v_links = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_aa->__pyx_vtab)->_get_sent_links(__pyx_v_aa, __pyx_v_sent_id, (&__pyx_v_num_links));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":120
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":119
  *             links = aa._get_sent_links(sent_id, &num_links)
  * 
  *             for l from 0 <= l < num_links:             # <<<<<<<<<<<<<<
@@ -12889,7 +13061,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     __pyx_t_7 = __pyx_v_num_links;
     for (__pyx_v_l = 0; __pyx_v_l < __pyx_t_7; __pyx_v_l++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":121
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":120
  * 
  *             for l from 0 <= l < num_links:
  *                 i = links[l*2]             # <<<<<<<<<<<<<<
@@ -12898,7 +13070,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       __pyx_v_i = (__pyx_v_links[(__pyx_v_l * 2)]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":122
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":121
  *             for l from 0 <= l < num_links:
  *                 i = links[l*2]
  *                 j = links[l*2+1]             # <<<<<<<<<<<<<<
@@ -12907,7 +13079,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       __pyx_v_j = (__pyx_v_links[((__pyx_v_l * 2) + 1)]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":123
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":122
  *                 i = links[l*2]
  *                 j = links[l*2+1]
  *                 if i >= I or j >= J:             # <<<<<<<<<<<<<<
@@ -12923,24 +13095,24 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       }
       if (__pyx_t_10) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":124
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":123
  *                 j = links[l*2+1]
  *                 if i >= I or j >= J:
  *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))             # <<<<<<<<<<<<<<
  *                 f_i = fsent[i]
  *                 e_j = esent[j]
  */
-        __pyx_t_1 = PyInt_FromLong(__pyx_v_i); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_v_i); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_4 = PyInt_FromLong(__pyx_v_j); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = PyInt_FromLong(__pyx_v_j); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_4);
-        __pyx_t_5 = PyInt_FromLong(__pyx_v_I); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyInt_FromLong(__pyx_v_I); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_5);
-        __pyx_t_11 = PyInt_FromLong(__pyx_v_J); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_11 = PyInt_FromLong(__pyx_v_J); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_11);
-        __pyx_t_12 = PyInt_FromLong((__pyx_v_sent_id + 1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyInt_FromLong((__pyx_v_sent_id + 1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
-        __pyx_t_13 = PyTuple_New(5); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_13 = PyTuple_New(5); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_13);
         PyTuple_SET_ITEM(__pyx_t_13, 0, __pyx_t_1);
         __Pyx_GIVEREF(__pyx_t_1);
@@ -12957,25 +13129,25 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         __pyx_t_5 = 0;
         __pyx_t_11 = 0;
         __pyx_t_12 = 0;
-        __pyx_t_12 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_42), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_42), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(((PyObject *)__pyx_t_12));
         __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
-        __pyx_t_13 = PyTuple_New(1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_13 = PyTuple_New(1); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_13);
         PyTuple_SET_ITEM(__pyx_t_13, 0, ((PyObject *)__pyx_t_12));
         __Pyx_GIVEREF(((PyObject *)__pyx_t_12));
         __pyx_t_12 = 0;
-        __pyx_t_12 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_13), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_12 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_13), NULL); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_12);
         __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
         __Pyx_Raise(__pyx_t_12, 0, 0, 0);
         __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-        {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         goto __pyx_L15;
       }
       __pyx_L15:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":125
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":124
  *                 if i >= I or j >= J:
  *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
  *                 f_i = fsent[i]             # <<<<<<<<<<<<<<
@@ -12984,7 +13156,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       __pyx_v_f_i = (__pyx_v_fsent[__pyx_v_i]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":126
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":125
  *                     raise Exception("%d-%d out of bounds (I=%d,J=%d) in line %d\n" % (i,j,I,J,sent_id+1))
  *                 f_i = fsent[i]
  *                 e_j = esent[j]             # <<<<<<<<<<<<<<
@@ -12993,7 +13165,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       __pyx_v_e_j = (__pyx_v_esent[__pyx_v_j]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":127
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":126
  *                 f_i = fsent[i]
  *                 e_j = esent[j]
  *                 fmargin[f_i] = fmargin[f_i]+1             # <<<<<<<<<<<<<<
@@ -13002,7 +13174,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       (__pyx_v_fmargin[__pyx_v_f_i]) = ((__pyx_v_fmargin[__pyx_v_f_i]) + 1);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":128
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":127
  *                 e_j = esent[j]
  *                 fmargin[f_i] = fmargin[f_i]+1
  *                 emargin[e_j] = emargin[e_j]+1             # <<<<<<<<<<<<<<
@@ -13011,7 +13183,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       (__pyx_v_emargin[__pyx_v_e_j]) = ((__pyx_v_emargin[__pyx_v_e_j]) + 1);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":129
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":128
  *                 fmargin[f_i] = fmargin[f_i]+1
  *                 emargin[e_j] = emargin[e_j]+1
  *                 if dict[f_i] == NULL:             # <<<<<<<<<<<<<<
@@ -13021,7 +13193,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       __pyx_t_10 = ((__pyx_v_dict[__pyx_v_f_i]) == NULL);
       if (__pyx_t_10) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":130
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":129
  *                 emargin[e_j] = emargin[e_j]+1
  *                 if dict[f_i] == NULL:
  *                     dict[f_i] = new_node(e_j)             # <<<<<<<<<<<<<<
@@ -13030,7 +13202,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_3_sa_new_node(__pyx_v_e_j);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":131
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":130
  *                 if dict[f_i] == NULL:
  *                     dict[f_i] = new_node(e_j)
  *                     dict[f_i].val = 1             # <<<<<<<<<<<<<<
@@ -13039,7 +13211,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_dict[__pyx_v_f_i])->val = 1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":132
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":131
  *                     dict[f_i] = new_node(e_j)
  *                     dict[f_i].val = 1
  *                     num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13051,7 +13223,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":134
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":133
  *                     num_pairs = num_pairs + 1
  *                 else:
  *                     count = get_val(dict[f_i], e_j)             # <<<<<<<<<<<<<<
@@ -13060,7 +13232,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_e_j);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":135
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":134
  *                 else:
  *                     count = get_val(dict[f_i], e_j)
  *                     if count[0] == 0:             # <<<<<<<<<<<<<<
@@ -13070,7 +13242,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         __pyx_t_10 = ((__pyx_v_count[0]) == 0);
         if (__pyx_t_10) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":136
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":135
  *                     count = get_val(dict[f_i], e_j)
  *                     if count[0] == 0:
  *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13082,7 +13254,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         }
         __pyx_L17:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":137
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":136
  *                     if count[0] == 0:
  *                         num_pairs = num_pairs + 1
  *                     count[0] = count[0] + 1             # <<<<<<<<<<<<<<
@@ -13093,7 +13265,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       }
       __pyx_L16:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":139
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":138
  *                     count[0] = count[0] + 1
  *                 # add count
  *                 faligned[i] = 1             # <<<<<<<<<<<<<<
@@ -13102,7 +13274,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
       (__pyx_v_faligned[__pyx_v_i]) = 1;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":140
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":139
  *                 # add count
  *                 faligned[i] = 1
  *                 ealigned[j] = 1             # <<<<<<<<<<<<<<
@@ -13112,7 +13284,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       (__pyx_v_ealigned[__pyx_v_j]) = 1;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":141
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":140
  *                 faligned[i] = 1
  *                 ealigned[j] = 1
  *             for i from 0 <= i < I:             # <<<<<<<<<<<<<<
@@ -13122,7 +13294,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     __pyx_t_7 = __pyx_v_I;
     for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_7; __pyx_v_i++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":142
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":141
  *                 ealigned[j] = 1
  *             for i from 0 <= i < I:
  *                 if faligned[i] == 0:             # <<<<<<<<<<<<<<
@@ -13132,7 +13304,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       __pyx_t_10 = ((__pyx_v_faligned[__pyx_v_i]) == 0);
       if (__pyx_t_10) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":143
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":142
  *             for i from 0 <= i < I:
  *                 if faligned[i] == 0:
  *                     f_i = fsent[i]             # <<<<<<<<<<<<<<
@@ -13141,7 +13313,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         __pyx_v_f_i = (__pyx_v_fsent[__pyx_v_i]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":144
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":143
  *                 if faligned[i] == 0:
  *                     f_i = fsent[i]
  *                     fmargin[f_i] = fmargin[f_i] + 1             # <<<<<<<<<<<<<<
@@ -13150,7 +13322,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_fmargin[__pyx_v_f_i]) = ((__pyx_v_fmargin[__pyx_v_f_i]) + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":145
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":144
  *                     f_i = fsent[i]
  *                     fmargin[f_i] = fmargin[f_i] + 1
  *                     emargin[null_word] = emargin[null_word] + 1             # <<<<<<<<<<<<<<
@@ -13159,7 +13331,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_emargin[__pyx_v_null_word]) = ((__pyx_v_emargin[__pyx_v_null_word]) + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":146
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":145
  *                     fmargin[f_i] = fmargin[f_i] + 1
  *                     emargin[null_word] = emargin[null_word] + 1
  *                     if dict[f_i] == NULL:             # <<<<<<<<<<<<<<
@@ -13169,7 +13341,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         __pyx_t_10 = ((__pyx_v_dict[__pyx_v_f_i]) == NULL);
         if (__pyx_t_10) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":147
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":146
  *                     emargin[null_word] = emargin[null_word] + 1
  *                     if dict[f_i] == NULL:
  *                         dict[f_i] = new_node(null_word)             # <<<<<<<<<<<<<<
@@ -13178,7 +13350,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_3_sa_new_node(__pyx_v_null_word);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":148
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":147
  *                     if dict[f_i] == NULL:
  *                         dict[f_i] = new_node(null_word)
  *                         dict[f_i].val = 1             # <<<<<<<<<<<<<<
@@ -13187,7 +13359,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           (__pyx_v_dict[__pyx_v_f_i])->val = 1;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":149
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":148
  *                         dict[f_i] = new_node(null_word)
  *                         dict[f_i].val = 1
  *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13199,7 +13371,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":151
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":150
  *                         num_pairs = num_pairs + 1
  *                     else:
  *                         count = get_val(dict[f_i], null_word)             # <<<<<<<<<<<<<<
@@ -13208,7 +13380,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_null_word);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":152
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":151
  *                     else:
  *                         count = get_val(dict[f_i], null_word)
  *                         if count[0] == 0:             # <<<<<<<<<<<<<<
@@ -13218,7 +13390,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
           __pyx_t_10 = ((__pyx_v_count[0]) == 0);
           if (__pyx_t_10) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":153
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":152
  *                         count = get_val(dict[f_i], null_word)
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13230,7 +13402,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
           }
           __pyx_L22:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":154
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":153
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1
  *                         count[0] = count[0] + 1             # <<<<<<<<<<<<<<
@@ -13245,7 +13417,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       __pyx_L20:;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":155
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":154
  *                             num_pairs = num_pairs + 1
  *                         count[0] = count[0] + 1
  *             for j from 0 <= j < J:             # <<<<<<<<<<<<<<
@@ -13255,7 +13427,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     __pyx_t_7 = __pyx_v_J;
     for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_7; __pyx_v_j++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":156
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":155
  *                         count[0] = count[0] + 1
  *             for j from 0 <= j < J:
  *                 if ealigned[j] == 0:             # <<<<<<<<<<<<<<
@@ -13265,7 +13437,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       __pyx_t_10 = ((__pyx_v_ealigned[__pyx_v_j]) == 0);
       if (__pyx_t_10) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":157
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":156
  *             for j from 0 <= j < J:
  *                 if ealigned[j] == 0:
  *                     e_j = esent[j]             # <<<<<<<<<<<<<<
@@ -13274,7 +13446,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         __pyx_v_e_j = (__pyx_v_esent[__pyx_v_j]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":158
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":157
  *                 if ealigned[j] == 0:
  *                     e_j = esent[j]
  *                     fmargin[null_word] = fmargin[null_word] + 1             # <<<<<<<<<<<<<<
@@ -13283,7 +13455,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_fmargin[__pyx_v_null_word]) = ((__pyx_v_fmargin[__pyx_v_null_word]) + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":159
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":158
  *                     e_j = esent[j]
  *                     fmargin[null_word] = fmargin[null_word] + 1
  *                     emargin[e_j] = emargin[e_j] + 1             # <<<<<<<<<<<<<<
@@ -13292,7 +13464,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
         (__pyx_v_emargin[__pyx_v_e_j]) = ((__pyx_v_emargin[__pyx_v_e_j]) + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":160
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":159
  *                     fmargin[null_word] = fmargin[null_word] + 1
  *                     emargin[e_j] = emargin[e_j] + 1
  *                     if dict[null_word] == NULL:             # <<<<<<<<<<<<<<
@@ -13302,7 +13474,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         __pyx_t_10 = ((__pyx_v_dict[__pyx_v_null_word]) == NULL);
         if (__pyx_t_10) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":161
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":160
  *                     emargin[e_j] = emargin[e_j] + 1
  *                     if dict[null_word] == NULL:
  *                         dict[null_word] = new_node(e_j)             # <<<<<<<<<<<<<<
@@ -13311,7 +13483,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           (__pyx_v_dict[__pyx_v_null_word]) = __pyx_f_3_sa_new_node(__pyx_v_e_j);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":162
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":161
  *                     if dict[null_word] == NULL:
  *                         dict[null_word] = new_node(e_j)
  *                         dict[null_word].val = 1             # <<<<<<<<<<<<<<
@@ -13320,7 +13492,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           (__pyx_v_dict[__pyx_v_null_word])->val = 1;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":163
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":162
  *                         dict[null_word] = new_node(e_j)
  *                         dict[null_word].val = 1
  *                         num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13332,7 +13504,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":165
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":164
  *                         num_pairs = num_pairs + 1
  *                     else:
  *                         count = get_val(dict[null_word], e_j)             # <<<<<<<<<<<<<<
@@ -13341,7 +13513,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
           __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_null_word]), __pyx_v_e_j);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":166
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":165
  *                     else:
  *                         count = get_val(dict[null_word], e_j)
  *                         if count[0] == 0:             # <<<<<<<<<<<<<<
@@ -13351,7 +13523,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
           __pyx_t_10 = ((__pyx_v_count[0]) == 0);
           if (__pyx_t_10) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":167
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":166
  *                         count = get_val(dict[null_word], e_j)
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1             # <<<<<<<<<<<<<<
@@ -13363,7 +13535,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
           }
           __pyx_L27:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":168
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":167
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1
  *                         count[0] = count[0] + 1             # <<<<<<<<<<<<<<
@@ -13378,7 +13550,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
       __pyx_L25:;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":169
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":168
  *                             num_pairs = num_pairs + 1
  *                         count[0] = count[0] + 1
  *             free(links)             # <<<<<<<<<<<<<<
@@ -13387,7 +13559,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     free(__pyx_v_links);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":170
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":169
  *                         count[0] = count[0] + 1
  *             free(links)
  *             free(faligned)             # <<<<<<<<<<<<<<
@@ -13396,7 +13568,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     free(__pyx_v_faligned);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":171
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":170
  *             free(links)
  *             free(faligned)
  *             free(ealigned)             # <<<<<<<<<<<<<<
@@ -13406,20 +13578,20 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     free(__pyx_v_ealigned);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":172
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":171
  *             free(faligned)
  *             free(ealigned)
  *         self.f_index = IntList(initial_len=V_F)             # <<<<<<<<<<<<<<
  *         self.e_index = IntList(initial_len=num_pairs)
  *         self.col1 = FloatList(initial_len=num_pairs)
  */
-  __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-  __pyx_t_13 = PyInt_FromLong(__pyx_v_V_F); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyInt_FromLong(__pyx_v_V_F); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
-  if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
-  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
   __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
   __Pyx_GIVEREF(__pyx_t_13);
@@ -13428,20 +13600,20 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   __pyx_v_self->f_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_13);
   __pyx_t_13 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":172
  *             free(ealigned)
  *         self.f_index = IntList(initial_len=V_F)
  *         self.e_index = IntList(initial_len=num_pairs)             # <<<<<<<<<<<<<<
  *         self.col1 = FloatList(initial_len=num_pairs)
  *         self.col2 = FloatList(initial_len=num_pairs)
  */
-  __pyx_t_13 = PyDict_New(); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyDict_New(); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_13));
-  __pyx_t_12 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
-  if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
   __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
   __Pyx_GIVEREF(__pyx_t_12);
@@ -13450,20 +13622,20 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   __pyx_v_self->e_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_12);
   __pyx_t_12 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":174
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":173
  *         self.f_index = IntList(initial_len=V_F)
  *         self.e_index = IntList(initial_len=num_pairs)
  *         self.col1 = FloatList(initial_len=num_pairs)             # <<<<<<<<<<<<<<
  *         self.col2 = FloatList(initial_len=num_pairs)
  * 
  */
-  __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyDict_New(); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_12));
-  __pyx_t_13 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
-  if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
-  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
   __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
   __Pyx_GIVEREF(__pyx_t_13);
@@ -13472,20 +13644,20 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   __pyx_v_self->col1 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_13);
   __pyx_t_13 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":175
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":174
  *         self.e_index = IntList(initial_len=num_pairs)
  *         self.col1 = FloatList(initial_len=num_pairs)
  *         self.col2 = FloatList(initial_len=num_pairs)             # <<<<<<<<<<<<<<
  * 
  *         num_pairs = 0
  */
-  __pyx_t_13 = PyDict_New(); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyDict_New(); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_13));
-  __pyx_t_12 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyInt_FromLong(__pyx_v_num_pairs); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
-  if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
   __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
   __Pyx_GIVEREF(__pyx_t_12);
@@ -13494,7 +13666,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   __pyx_v_self->col2 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_12);
   __pyx_t_12 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":177
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":176
  *         self.col2 = FloatList(initial_len=num_pairs)
  * 
  *         num_pairs = 0             # <<<<<<<<<<<<<<
@@ -13503,7 +13675,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
   __pyx_v_num_pairs = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":178
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":177
  * 
  *         num_pairs = 0
  *         for i from 0 <= i < V_F:             # <<<<<<<<<<<<<<
@@ -13513,7 +13685,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   __pyx_t_6 = __pyx_v_V_F;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_6; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":180
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":179
  *         for i from 0 <= i < V_F:
  *             #self.f_index[i] = num_pairs
  *             self.f_index.set(i, num_pairs)             # <<<<<<<<<<<<<<
@@ -13522,7 +13694,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
     ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->set(__pyx_v_self->f_index, __pyx_v_i, __pyx_v_num_pairs);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":181
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":180
  *             #self.f_index[i] = num_pairs
  *             self.f_index.set(i, num_pairs)
  *             if dict[i] != NULL:             # <<<<<<<<<<<<<<
@@ -13532,25 +13704,25 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     __pyx_t_10 = ((__pyx_v_dict[__pyx_v_i]) != NULL);
     if (__pyx_t_10) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":182
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":181
  *             self.f_index.set(i, num_pairs)
  *             if dict[i] != NULL:
  *                 self._add_node(dict[i], &num_pairs, float(fmargin[i]), emargin)             # <<<<<<<<<<<<<<
  *                 del_node(dict[i])
  *         free(fmargin)
  */
-      __pyx_t_12 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, (__pyx_v_dict[__pyx_v_i]), (&__pyx_v_num_pairs), ((double)(__pyx_v_fmargin[__pyx_v_i])), __pyx_v_emargin); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, (__pyx_v_dict[__pyx_v_i]), (&__pyx_v_num_pairs), ((double)(__pyx_v_fmargin[__pyx_v_i])), __pyx_v_emargin); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":183
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":182
  *             if dict[i] != NULL:
  *                 self._add_node(dict[i], &num_pairs, float(fmargin[i]), emargin)
  *                 del_node(dict[i])             # <<<<<<<<<<<<<<
  *         free(fmargin)
  *         free(emargin)
  */
-      __pyx_t_12 = __pyx_f_3_sa_del_node((__pyx_v_dict[__pyx_v_i])); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = __pyx_f_3_sa_del_node((__pyx_v_dict[__pyx_v_i])); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
       goto __pyx_L30;
@@ -13558,7 +13730,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
     __pyx_L30:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":184
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":183
  *                 self._add_node(dict[i], &num_pairs, float(fmargin[i]), emargin)
  *                 del_node(dict[i])
  *         free(fmargin)             # <<<<<<<<<<<<<<
@@ -13567,7 +13739,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
   free(__pyx_v_fmargin);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":185
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":184
  *                 del_node(dict[i])
  *         free(fmargin)
  *         free(emargin)             # <<<<<<<<<<<<<<
@@ -13576,7 +13748,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
   free(__pyx_v_emargin);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":186
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":185
  *         free(fmargin)
  *         free(emargin)
  *         free(dict)             # <<<<<<<<<<<<<<
@@ -13585,7 +13757,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
  */
   free(__pyx_v_dict);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":187
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":186
  *         free(emargin)
  *         free(dict)
  *         return             # <<<<<<<<<<<<<<
@@ -13616,7 +13788,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiL
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":190
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":189
  * 
  * 
  *     cdef _add_node(self, _node* n, int* num_pairs, float fmargin, int* emargin):             # <<<<<<<<<<<<<<
@@ -13635,7 +13807,7 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("_add_node", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":192
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":191
  *     cdef _add_node(self, _node* n, int* num_pairs, float fmargin, int* emargin):
  *         cdef int loc
  *         if n.smaller != NULL:             # <<<<<<<<<<<<<<
@@ -13645,21 +13817,21 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
   __pyx_t_1 = (__pyx_v_n->smaller != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":193
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":192
  *         cdef int loc
  *         if n.smaller != NULL:
  *             self._add_node(n.smaller, num_pairs, fmargin, emargin)             # <<<<<<<<<<<<<<
  *         loc = num_pairs[0]
  *         self.e_index.set(loc, n.key)
  */
-    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->smaller, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->smaller, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":194
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":193
  *         if n.smaller != NULL:
  *             self._add_node(n.smaller, num_pairs, fmargin, emargin)
  *         loc = num_pairs[0]             # <<<<<<<<<<<<<<
@@ -13668,7 +13840,7 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
  */
   __pyx_v_loc = (__pyx_v_num_pairs[0]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":195
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":194
  *             self._add_node(n.smaller, num_pairs, fmargin, emargin)
  *         loc = num_pairs[0]
  *         self.e_index.set(loc, n.key)             # <<<<<<<<<<<<<<
@@ -13677,7 +13849,7 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
  */
   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->set(__pyx_v_self->e_index, __pyx_v_loc, __pyx_v_n->key);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":196
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":195
  *         loc = num_pairs[0]
  *         self.e_index.set(loc, n.key)
  *         self.col1.set(loc, float(n.val)/fmargin)             # <<<<<<<<<<<<<<
@@ -13686,11 +13858,11 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
  */
   if (unlikely(__pyx_v_fmargin == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "float division");
-    {__pyx_filename = __pyx_f[5]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[5]; __pyx_lineno = 195; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->set(__pyx_v_self->col1, __pyx_v_loc, (((double)__pyx_v_n->val) / __pyx_v_fmargin));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":197
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":196
  *         self.e_index.set(loc, n.key)
  *         self.col1.set(loc, float(n.val)/fmargin)
  *         self.col2.set(loc, float(n.val)/float(emargin[n.key]))             # <<<<<<<<<<<<<<
@@ -13699,11 +13871,11 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
  */
   if (unlikely(((double)(__pyx_v_emargin[__pyx_v_n->key])) == 0)) {
     PyErr_Format(PyExc_ZeroDivisionError, "float division");
-    {__pyx_filename = __pyx_f[5]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[5]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col2->__pyx_vtab)->set(__pyx_v_self->col2, __pyx_v_loc, (((double)__pyx_v_n->val) / ((double)(__pyx_v_emargin[__pyx_v_n->key]))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":198
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":197
  *         self.col1.set(loc, float(n.val)/fmargin)
  *         self.col2.set(loc, float(n.val)/float(emargin[n.key]))
  *         num_pairs[0] = loc + 1             # <<<<<<<<<<<<<<
@@ -13712,7 +13884,7 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
  */
   (__pyx_v_num_pairs[0]) = (__pyx_v_loc + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":199
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":198
  *         self.col2.set(loc, float(n.val)/float(emargin[n.key]))
  *         num_pairs[0] = loc + 1
  *         if n.bigger != NULL:             # <<<<<<<<<<<<<<
@@ -13722,14 +13894,14 @@ static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__py
   __pyx_t_1 = (__pyx_v_n->bigger != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":200
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":199
  *         num_pairs[0] = loc + 1
  *         if n.bigger != NULL:
  *             self._add_node(n.bigger, num_pairs, fmargin, emargin)             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->bigger, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->bigger, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     goto __pyx_L4;
@@ -13756,7 +13928,7 @@ static PyObject *__pyx_pw_3_sa_5BiLex_3write_binary(PyObject *__pyx_v_self, PyOb
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("write_binary (wrapper)", 0);
   assert(__pyx_arg_filename); {
-    __pyx_v_filename = PyBytes_AsString(__pyx_arg_filename); if (unlikely((!__pyx_v_filename) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_filename = PyBytes_AsString(__pyx_arg_filename); if (unlikely((!__pyx_v_filename) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 202; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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@@ -13769,7 +13941,7 @@ static PyObject *__pyx_pw_3_sa_5BiLex_3write_binary(PyObject *__pyx_v_self, PyOb
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":203
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":202
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@@ -13788,7 +13960,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":205
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":204
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   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__w);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":206
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":205
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@@ -13806,7 +13978,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":207
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":206
  *         f = fopen(filename, "w")
  *         self.f_index.write_handle(f)
  *         self.e_index.write_handle(f)             # <<<<<<<<<<<<<<
@@ -13815,7 +13987,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":208
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":207
  *         self.f_index.write_handle(f)
  *         self.e_index.write_handle(f)
  *         self.col1.write_handle(f)             # <<<<<<<<<<<<<<
@@ -13824,7 +13996,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":209
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":208
  *         self.e_index.write_handle(f)
  *         self.col1.write_handle(f)
  *         self.col2.write_handle(f)             # <<<<<<<<<<<<<<
@@ -13833,7 +14005,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
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   ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col2->__pyx_vtab)->write_handle(__pyx_v_self->col2, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":210
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":209
  *         self.col1.write_handle(f)
  *         self.col2.write_handle(f)
  *         self.write_wordlist(self.id2fword, f)             # <<<<<<<<<<<<<<
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+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->write_wordlist(__pyx_v_self, __pyx_t_1, __pyx_v_f); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":211
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":210
  *         self.col2.write_handle(f)
  *         self.write_wordlist(self.id2fword, f)
  *         self.write_wordlist(self.id2eword, f)             # <<<<<<<<<<<<<<
@@ -13856,12 +14028,12 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
  */
   __pyx_t_2 = __pyx_v_self->id2eword;
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-  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->write_wordlist(__pyx_v_self, __pyx_t_2, __pyx_v_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->write_wordlist(__pyx_v_self, __pyx_t_2, __pyx_v_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 210; __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/vchahune/tools/cdec/python/src/sa/bilex.pxi":212
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":211
  *         self.write_wordlist(self.id2fword, f)
  *         self.write_wordlist(self.id2eword, f)
  *         fclose(f)             # <<<<<<<<<<<<<<
@@ -13883,7 +14055,7 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":215
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":214
  * 
  * 
  *     cdef write_wordlist(self, wordlist, FILE* f):             # <<<<<<<<<<<<<<
@@ -13894,7 +14066,6 @@ static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex
 static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_wordlist, FILE *__pyx_v_f) {
   int __pyx_v_word_len;
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-  char *__pyx_v_c_word;
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@@ -13902,59 +14073,68 @@ static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_o
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   PyObject *(*__pyx_t_3)(PyObject *);
   PyObject *__pyx_t_4 = NULL;
-  char *__pyx_t_5;
+  Py_ssize_t __pyx_t_5;
+  char *__pyx_t_6;
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   const char *__pyx_filename = NULL;
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":220
- *         cdef char* c_word
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":218
+ *         cdef int num_words
  * 
  *         num_words = len(wordlist)             # <<<<<<<<<<<<<<
  *         fwrite(&(num_words), sizeof(int), 1, f)
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-  __pyx_t_1 = PyObject_Length(__pyx_v_wordlist); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Length(__pyx_v_wordlist); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_num_words = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":221
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":219
  * 
  *         num_words = len(wordlist)
  *         fwrite(&(num_words), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
  *         for word in wordlist:
- *             c_word = word
+ *             word_len = len(word) + 1
  */
   fwrite((&__pyx_v_num_words), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":222
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":220
  *         num_words = len(wordlist)
  *         fwrite(&(num_words), sizeof(int), 1, f)
  *         for word in wordlist:             # <<<<<<<<<<<<<<
- *             c_word = word
- *             word_len = strlen(c_word) + 1
+ *             word_len = len(word) + 1
+ *             fwrite(&(word_len), sizeof(int), 1, f)
  */
   if (PyList_CheckExact(__pyx_v_wordlist) || PyTuple_CheckExact(__pyx_v_wordlist)) {
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     __pyx_t_3 = NULL;
   } else {
-    __pyx_t_1 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_wordlist); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_v_wordlist); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_2)) {
       if (__pyx_t_1 >= PyList_GET_SIZE(__pyx_t_2)) break;
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_2)) {
       if (__pyx_t_1 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_2);
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         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 220; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -13964,42 +14144,34 @@ static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_o
     __pyx_v_word = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":223
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":221
  *         fwrite(&(num_words), sizeof(int), 1, f)
  *         for word in wordlist:
- *             c_word = word             # <<<<<<<<<<<<<<
- *             word_len = strlen(c_word) + 1
+ *             word_len = len(word) + 1             # <<<<<<<<<<<<<<
  *             fwrite(&(word_len), sizeof(int), 1, f)
+ *             fwrite(<char *>word, sizeof(char), word_len, f)
  */
-    __pyx_t_5 = PyBytes_AsString(__pyx_v_word); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_v_c_word = __pyx_t_5;
+    __pyx_t_5 = PyObject_Length(__pyx_v_word); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 221; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_v_word_len = (__pyx_t_5 + 1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":224
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":222
  *         for word in wordlist:
- *             c_word = word
- *             word_len = strlen(c_word) + 1             # <<<<<<<<<<<<<<
- *             fwrite(&(word_len), sizeof(int), 1, f)
- *             fwrite(c_word, sizeof(char), word_len, f)
- */
-    __pyx_v_word_len = (strlen(__pyx_v_c_word) + 1);
-
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":225
- *             c_word = word
- *             word_len = strlen(c_word) + 1
+ *             word_len = len(word) + 1
  *             fwrite(&(word_len), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
- *             fwrite(c_word, sizeof(char), word_len, f)
+ *             fwrite(<char *>word, sizeof(char), word_len, f)
  * 
  */
     fwrite((&__pyx_v_word_len), (sizeof(int)), 1, __pyx_v_f);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":226
- *             word_len = strlen(c_word) + 1
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":223
+ *             word_len = len(word) + 1
  *             fwrite(&(word_len), sizeof(int), 1, f)
- *             fwrite(c_word, sizeof(char), word_len, f)             # <<<<<<<<<<<<<<
+ *             fwrite(<char *>word, sizeof(char), word_len, f)             # <<<<<<<<<<<<<<
  * 
  * 
  */
-    fwrite(__pyx_v_c_word, (sizeof(char)), __pyx_v_word_len, __pyx_v_f);
+    __pyx_t_6 = PyBytes_AsString(__pyx_v_word); if (unlikely((!__pyx_t_6) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    fwrite(((char *)__pyx_t_6), (sizeof(char)), __pyx_v_word_len, __pyx_v_f);
   }
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
@@ -14017,7 +14189,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_o
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":229
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":226
  * 
  * 
  *     cdef read_wordlist(self, word2id, id2word, FILE* f):             # <<<<<<<<<<<<<<
@@ -14028,21 +14200,21 @@ static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_o
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   int __pyx_v_num_words;
   int __pyx_v_word_len;
-  char *__pyx_v_c_word;
-  PyObject *__pyx_v_py_word = 0;
+  char *__pyx_v_word;
   CYTHON_UNUSED long __pyx_v_i;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
-  PyObject *__pyx_t_2 = NULL;
-  Py_ssize_t __pyx_t_3;
+  Py_ssize_t __pyx_t_2;
+  PyObject *__pyx_t_3 = NULL;
+  PyObject *__pyx_t_4 = NULL;
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   const char *__pyx_filename = NULL;
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   __Pyx_RefNannySetupContext("read_wordlist", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":235
- *         cdef bytes py_word
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":231
+ *         cdef char* word
  * 
  *         fread(&(num_words), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
  *         for i from 0 <= i < num_words:
@@ -14050,98 +14222,91 @@ static PyObject *__pyx_f_3_sa_5BiLex_read_wordlist(CYTHON_UNUSED struct __pyx_ob
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   fread((&__pyx_v_num_words), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":236
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":232
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  *         fread(&(num_words), sizeof(int), 1, f)
  *         for i from 0 <= i < num_words:             # <<<<<<<<<<<<<<
  *             fread(&(word_len), sizeof(int), 1, f)
- *             c_word = <char*> malloc (word_len * sizeof(char))
+ *             word = <char*> malloc (word_len * sizeof(char))
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   __pyx_t_1 = __pyx_v_num_words;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":237
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":233
  *         fread(&(num_words), sizeof(int), 1, f)
  *         for i from 0 <= i < num_words:
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- *             c_word = <char*> malloc (word_len * sizeof(char))
- *             fread(c_word, sizeof(char), word_len, f)
+ *             word = <char*> malloc (word_len * sizeof(char))
+ *             fread(word, sizeof(char), word_len, f)
  */
     fread((&__pyx_v_word_len), (sizeof(int)), 1, __pyx_v_f);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":238
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":234
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- *             fread(c_word, sizeof(char), word_len, f)
- *             py_word = c_word
+ *             word = <char*> malloc (word_len * sizeof(char))             # <<<<<<<<<<<<<<
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+ *             word2id[word] = len(id2word)
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-    __pyx_v_c_word = ((char *)malloc((__pyx_v_word_len * (sizeof(char)))));
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":239
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":248
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":249
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":250
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":251
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":252
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":253
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":254
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":258
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":261
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":262
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":267
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-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":273
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":289
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":290
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":291
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-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":305
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-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":278
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":314
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":325
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":320
  * 
  *         if i == j:
  *             return             # <<<<<<<<<<<<<<
@@ -15504,7 +15702,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":327
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":322
  *             return
  * 
  *         itmp = self.e_index.arr[i]             # <<<<<<<<<<<<<<
@@ -15513,7 +15711,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   __pyx_v_itmp = (__pyx_v_self->e_index->arr[__pyx_v_i]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":328
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":323
  * 
  *         itmp = self.e_index.arr[i]
  *         self.e_index.arr[i] = self.e_index.arr[j]             # <<<<<<<<<<<<<<
@@ -15522,7 +15720,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   (__pyx_v_self->e_index->arr[__pyx_v_i]) = (__pyx_v_self->e_index->arr[__pyx_v_j]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":329
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":324
  *         itmp = self.e_index.arr[i]
  *         self.e_index.arr[i] = self.e_index.arr[j]
  *         self.e_index.arr[j] = itmp             # <<<<<<<<<<<<<<
@@ -15531,7 +15729,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   (__pyx_v_self->e_index->arr[__pyx_v_j]) = __pyx_v_itmp;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":331
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":326
  *         self.e_index.arr[j] = itmp
  * 
  *         ftmp = self.col1.arr[i]             # <<<<<<<<<<<<<<
@@ -15540,7 +15738,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   __pyx_v_ftmp = (__pyx_v_self->col1->arr[__pyx_v_i]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":332
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":327
  * 
  *         ftmp = self.col1.arr[i]
  *         self.col1.arr[i] = self.col1.arr[j]             # <<<<<<<<<<<<<<
@@ -15549,7 +15747,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   (__pyx_v_self->col1->arr[__pyx_v_i]) = (__pyx_v_self->col1->arr[__pyx_v_j]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":333
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":328
  *         ftmp = self.col1.arr[i]
  *         self.col1.arr[i] = self.col1.arr[j]
  *         self.col1.arr[j] = ftmp             # <<<<<<<<<<<<<<
@@ -15558,7 +15756,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   (__pyx_v_self->col1->arr[__pyx_v_j]) = __pyx_v_ftmp;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":335
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":330
  *         self.col1.arr[j] = ftmp
  * 
  *         ftmp = self.col2.arr[i]             # <<<<<<<<<<<<<<
@@ -15567,7 +15765,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   __pyx_v_ftmp = (__pyx_v_self->col2->arr[__pyx_v_i]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":336
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":331
  * 
  *         ftmp = self.col2.arr[i]
  *         self.col2.arr[i] = self.col2.arr[j]             # <<<<<<<<<<<<<<
@@ -15576,7 +15774,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
  */
   (__pyx_v_self->col2->arr[__pyx_v_i]) = (__pyx_v_self->col2->arr[__pyx_v_j]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":337
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":332
  *         ftmp = self.col2.arr[i]
  *         self.col2.arr[i] = self.col2.arr[j]
  *         self.col2.arr[j] = ftmp             # <<<<<<<<<<<<<<
@@ -15592,7 +15790,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":340
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":335
  * 
  * 
  *     cdef qsort(self, int i, int j, pad):             # <<<<<<<<<<<<<<
@@ -15615,7 +15813,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("qsort", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":343
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":338
  *         cdef int pval, p
  * 
  *         if i > j:             # <<<<<<<<<<<<<<
@@ -15625,23 +15823,23 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   __pyx_t_1 = (__pyx_v_i > __pyx_v_j);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":344
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":339
  * 
  *         if i > j:
  *             raise Exception("Sort error in CLex")             # <<<<<<<<<<<<<<
  *         if i == j: #empty interval
  *             return
  */
-    __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_47), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 344; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_47), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __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[5]; __pyx_lineno = 344; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[5]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":345
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":340
  *         if i > j:
  *             raise Exception("Sort error in CLex")
  *         if i == j: #empty interval             # <<<<<<<<<<<<<<
@@ -15651,7 +15849,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   __pyx_t_1 = (__pyx_v_i == __pyx_v_j);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":346
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":341
  *             raise Exception("Sort error in CLex")
  *         if i == j: #empty interval
  *             return             # <<<<<<<<<<<<<<
@@ -15665,7 +15863,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":347
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":342
  *         if i == j: #empty interval
  *             return
  *         if i == j-1: # singleton interval             # <<<<<<<<<<<<<<
@@ -15675,7 +15873,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   __pyx_t_1 = (__pyx_v_i == (__pyx_v_j - 1));
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":348
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":343
  *             return
  *         if i == j-1: # singleton interval
  *             return             # <<<<<<<<<<<<<<
@@ -15689,7 +15887,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":350
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":345
  *             return
  * 
  *         p = (i+j)/2             # <<<<<<<<<<<<<<
@@ -15698,7 +15896,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
  */
   __pyx_v_p = __Pyx_div_long((__pyx_v_i + __pyx_v_j), 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":351
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":346
  * 
  *         p = (i+j)/2
  *         pval = self.e_index.arr[p]             # <<<<<<<<<<<<<<
@@ -15707,18 +15905,18 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
  */
   __pyx_v_pval = (__pyx_v_self->e_index->arr[__pyx_v_p]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":352
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":347
  *         p = (i+j)/2
  *         pval = self.e_index.arr[p]
  *         self.swap(i, p)             # <<<<<<<<<<<<<<
  *         p = i
  *         for k from i+1 <= k < j:
  */
-  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_i, __pyx_v_p); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 352; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_i, __pyx_v_p); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 347; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":353
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":348
  *         pval = self.e_index.arr[p]
  *         self.swap(i, p)
  *         p = i             # <<<<<<<<<<<<<<
@@ -15727,7 +15925,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
  */
   __pyx_v_p = __pyx_v_i;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":354
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":349
  *         self.swap(i, p)
  *         p = i
  *         for k from i+1 <= k < j:             # <<<<<<<<<<<<<<
@@ -15737,7 +15935,7 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
   __pyx_t_3 = __pyx_v_j;
   for (__pyx_v_k = (__pyx_v_i + 1); __pyx_v_k < __pyx_t_3; __pyx_v_k++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":355
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":350
  *         p = i
  *         for k from i+1 <= k < j:
  *             if pval >= self.e_index.arr[k]:             # <<<<<<<<<<<<<<
@@ -15747,29 +15945,29 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
     __pyx_t_1 = (__pyx_v_pval >= (__pyx_v_self->e_index->arr[__pyx_v_k]));
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":356
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":351
  *         for k from i+1 <= k < j:
  *             if pval >= self.e_index.arr[k]:
  *                 self.swap(p+1, k)             # <<<<<<<<<<<<<<
  *                 self.swap(p, p+1)
  *                 p = p + 1
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_k); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 356; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_k); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 351; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":357
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":352
  *             if pval >= self.e_index.arr[k]:
  *                 self.swap(p+1, k)
  *                 self.swap(p, p+1)             # <<<<<<<<<<<<<<
  *                 p = p + 1
  *         self.qsort(i,p, pad+"    ")
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_p, (__pyx_v_p + 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 357; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_p, (__pyx_v_p + 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 352; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":358
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":353
  *                 self.swap(p+1, k)
  *                 self.swap(p, p+1)
  *                 p = p + 1             # <<<<<<<<<<<<<<
@@ -15782,30 +15980,30 @@ static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_
     __pyx_L8:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":359
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":354
  *                 self.swap(p, p+1)
  *                 p = p + 1
  *         self.qsort(i,p, pad+"    ")             # <<<<<<<<<<<<<<
  *         self.qsort(p+1,j, pad+"    ")
  * 
  */
-  __pyx_t_2 = PyNumber_Add(__pyx_v_pad, ((PyObject *)__pyx_kp_s_48)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyNumber_Add(__pyx_v_pad, ((PyObject *)__pyx_kp_s_48)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_4 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_v_i, __pyx_v_p, __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_v_i, __pyx_v_p, __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 354; __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/vchahune/tools/cdec/python/src/sa/bilex.pxi":360
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":355
  *                 p = p + 1
  *         self.qsort(i,p, pad+"    ")
  *         self.qsort(p+1,j, pad+"    ")             # <<<<<<<<<<<<<<
  * 
  * 
  */
-  __pyx_t_4 = PyNumber_Add(__pyx_v_pad, ((PyObject *)__pyx_kp_s_48)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyNumber_Add(__pyx_v_pad, ((PyObject *)__pyx_kp_s_48)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 355; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_j, __pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_j, __pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 355; __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;
@@ -15831,7 +16029,7 @@ static PyObject *__pyx_pw_3_sa_5BiLex_13write_enhanced(PyObject *__pyx_v_self, P
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   __Pyx_RefNannySetupContext("write_enhanced (wrapper)", 0);
   assert(__pyx_arg_filename); {
-    __pyx_v_filename = PyBytes_AsString(__pyx_arg_filename); if (unlikely((!__pyx_v_filename) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_filename = PyBytes_AsString(__pyx_arg_filename); if (unlikely((!__pyx_v_filename) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 358; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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   goto __pyx_L4_argument_unpacking_done;
   __pyx_L3_error:;
@@ -15844,7 +16042,7 @@ static PyObject *__pyx_pw_3_sa_5BiLex_13write_enhanced(PyObject *__pyx_v_self, P
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":363
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":358
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   __Pyx_RefNannySetupContext("write_enhanced", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":364
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":359
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+    __pyx_t_1 = PyObject_Call(__pyx_builtin_open, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":365
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":360
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-              __pyx_t_1 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_1 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_4)) {
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-              __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
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-                  else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                  else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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             __pyx_t_1 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":366
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":361
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+            __pyx_t_1 = PyObject_GetAttr(__pyx_v_f, __pyx_n_s__write); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 361; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 361; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":367
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":362
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":368
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":363
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+          __pyx_t_2 = PyTuple_New(3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+          __pyx_t_4 = PyObject_Call(__pyx_builtin_zip, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+            __pyx_t_8 = -1; __pyx_t_2 = PyObject_GetIter(__pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-              __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_2)) {
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-              __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else {
               __pyx_t_4 = __pyx_t_9(__pyx_t_2);
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-                  else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                  else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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             }
             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 != 3)) {
+                if (size > 3) __Pyx_RaiseTooManyValuesError(3);
+                else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+                {__pyx_filename = __pyx_f[5]; __pyx_lineno = 363; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              }
+              #if CYTHON_COMPILING_IN_CPYTHON
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-                  if (PyList_GET_SIZE(sequence) > 3) __Pyx_RaiseTooManyValuesError(3);
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@@ -16068,10 +16283,16 @@ static PyObject *__pyx_pf_3_sa_5BiLex_12write_enhanced(struct __pyx_obj_3_sa_BiL
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               __Pyx_INCREF(__pyx_t_1);
               __Pyx_INCREF(__pyx_t_11);
+              #else
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+              #endif
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+            {
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-              {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":369
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@@ -16137,21 +16359,21 @@ static PyObject *__pyx_pf_3_sa_5BiLex_12write_enhanced(struct __pyx_obj_3_sa_BiL
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":370
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":365
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+          __pyx_t_2 = PyObject_GetAttr(__pyx_v_f, __pyx_n_s__write); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":371
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":366
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-              __pyx_t_11 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_11); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
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+              #endif
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-              __pyx_t_11 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_11); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
+              __pyx_t_11 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 366; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
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-                  else {__pyx_filename = __pyx_f[5]; __pyx_lineno = 371; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+            __pyx_t_11 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 366; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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-            /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":372
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":367
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":373
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":368
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-          /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":374
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":369
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-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":364
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":383
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":385
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":386
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":387
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":388
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":389
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-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":390
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":391
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-    /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":392
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-      /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":394
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":389
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-        /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":395
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":390
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":52
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":52
  *     cdef int low, high, mid
  * 
  *     if b.max_val == -1 or i >= b.max_val:             # <<<<<<<<<<<<<<
@@ -17417,7 +17645,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":53
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":53
  * 
  *     if b.max_val == -1 or i >= b.max_val:
  *         return -1             # <<<<<<<<<<<<<<
@@ -17430,7 +17658,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":54
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":54
  *     if b.max_val == -1 or i >= b.max_val:
  *         return -1
  *     if i < b.min_val:             # <<<<<<<<<<<<<<
@@ -17440,7 +17668,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   __pyx_t_3 = (__pyx_v_i < __pyx_v_b->min_val);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":55
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":55
  *         return -1
  *     if i < b.min_val:
  *         return b.min_val             # <<<<<<<<<<<<<<
@@ -17453,7 +17681,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":57
  *         return b.min_val
  * 
  *     bitset = b.bitset & ~LOWER_MASK[i]             # <<<<<<<<<<<<<<
@@ -17462,7 +17690,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
   __pyx_v_bitset = (__pyx_v_b->bitset & (~(__pyx_v_3_sa_LOWER_MASK[__pyx_v_i])));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":58
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":58
  * 
  *     bitset = b.bitset & ~LOWER_MASK[i]
  *     low = i+1             # <<<<<<<<<<<<<<
@@ -17471,7 +17699,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
   __pyx_v_low = (__pyx_v_i + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":59
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":59
  *     bitset = b.bitset & ~LOWER_MASK[i]
  *     low = i+1
  *     high = b.max_val+1             # <<<<<<<<<<<<<<
@@ -17480,7 +17708,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
   __pyx_v_high = (__pyx_v_b->max_val + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":60
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":60
  *     low = i+1
  *     high = b.max_val+1
  *     while low < high-1:             # <<<<<<<<<<<<<<
@@ -17491,7 +17719,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
     __pyx_t_3 = (__pyx_v_low < (__pyx_v_high - 1));
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":61
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":61
  *     high = b.max_val+1
  *     while low < high-1:
  *         mid = (high + low)/2             # <<<<<<<<<<<<<<
@@ -17500,7 +17728,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
     __pyx_v_mid = __Pyx_div_long((__pyx_v_high + __pyx_v_low), 2);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":62
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":62
  *     while low < high-1:
  *         mid = (high + low)/2
  *         mask = ~(LOWER_MASK[high-1] ^ LOWER_MASK[mid-1])             # <<<<<<<<<<<<<<
@@ -17509,7 +17737,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
     __pyx_v_mask = (~((__pyx_v_3_sa_LOWER_MASK[(__pyx_v_high - 1)]) ^ (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_mid - 1)])));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":63
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":63
  *         mid = (high + low)/2
  *         mask = ~(LOWER_MASK[high-1] ^ LOWER_MASK[mid-1])
  *         if bitset & mask == 0:             # <<<<<<<<<<<<<<
@@ -17519,7 +17747,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
     __pyx_t_3 = ((__pyx_v_bitset & __pyx_v_mask) == 0);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":64
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":64
  *         mask = ~(LOWER_MASK[high-1] ^ LOWER_MASK[mid-1])
  *         if bitset & mask == 0:
  *             low = mid             # <<<<<<<<<<<<<<
@@ -17531,7 +17759,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":66
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":66
  *             low = mid
  *         else:
  *             bitset = bitset & mask             # <<<<<<<<<<<<<<
@@ -17540,7 +17768,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
       __pyx_v_bitset = (__pyx_v_bitset & __pyx_v_mask);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":67
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":67
  *         else:
  *             bitset = bitset & mask
  *             high = mid             # <<<<<<<<<<<<<<
@@ -17552,7 +17780,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
     __pyx_L7:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":68
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":68
  *             bitset = bitset & mask
  *             high = mid
  *     return low             # <<<<<<<<<<<<<<
@@ -17568,7 +17796,7 @@ static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":71
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":71
  * 
  * 
  * cdef int bitset_insert(_BitSet* b, int i):             # <<<<<<<<<<<<<<
@@ -17583,7 +17811,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("bitset_insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":74
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":74
  *     cdef int val
  * 
  *     val = 1 << i             # <<<<<<<<<<<<<<
@@ -17592,7 +17820,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
  */
   __pyx_v_val = (1 << __pyx_v_i);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":75
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":75
  * 
  *     val = 1 << i
  *     if b.bitset & val == 0:             # <<<<<<<<<<<<<<
@@ -17602,7 +17830,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
   __pyx_t_1 = ((__pyx_v_b->bitset & __pyx_v_val) == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":76
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":76
  *     val = 1 << i
  *     if b.bitset & val == 0:
  *         b.bitset = b.bitset | val             # <<<<<<<<<<<<<<
@@ -17611,7 +17839,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
  */
     __pyx_v_b->bitset = (__pyx_v_b->bitset | __pyx_v_val);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":77
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":77
  *     if b.bitset & val == 0:
  *         b.bitset = b.bitset | val
  *         if b.size == 0:             # <<<<<<<<<<<<<<
@@ -17621,7 +17849,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
     __pyx_t_1 = (__pyx_v_b->size == 0);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":78
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":78
  *         b.bitset = b.bitset | val
  *         if b.size == 0:
  *             b.min_val = i             # <<<<<<<<<<<<<<
@@ -17630,7 +17858,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
  */
       __pyx_v_b->min_val = __pyx_v_i;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":79
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":79
  *         if b.size == 0:
  *             b.min_val = i
  *             b.max_val = i             # <<<<<<<<<<<<<<
@@ -17642,7 +17870,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":81
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":81
  *             b.max_val = i
  *         else:
  *             if i < b.min_val:             # <<<<<<<<<<<<<<
@@ -17652,7 +17880,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
       __pyx_t_1 = (__pyx_v_i < __pyx_v_b->min_val);
       if (__pyx_t_1) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":82
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":82
  *         else:
  *             if i < b.min_val:
  *                 b.min_val = i             # <<<<<<<<<<<<<<
@@ -17664,7 +17892,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
       }
       __pyx_L5:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":83
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":83
  *             if i < b.min_val:
  *                 b.min_val = i
  *             if i > b.max_val:             # <<<<<<<<<<<<<<
@@ -17674,7 +17902,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
       __pyx_t_1 = (__pyx_v_i > __pyx_v_b->max_val);
       if (__pyx_t_1) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":84
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":84
  *                 b.min_val = i
  *             if i > b.max_val:
  *                 b.max_val = i             # <<<<<<<<<<<<<<
@@ -17688,7 +17916,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
     }
     __pyx_L4:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":85
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":85
  *             if i > b.max_val:
  *                 b.max_val = i
  *         b.size = b.size + 1             # <<<<<<<<<<<<<<
@@ -17697,7 +17925,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
  */
     __pyx_v_b->size = (__pyx_v_b->size + 1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":86
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":86
  *                 b.max_val = i
  *         b.size = b.size + 1
  *         return 1             # <<<<<<<<<<<<<<
@@ -17710,7 +17938,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":87
  *         b.size = b.size + 1
  *         return 1
  *     return 0             # <<<<<<<<<<<<<<
@@ -17726,7 +17954,7 @@ static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, in
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":90
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":90
  * 
  * 
  * cdef int bitset_contains(_BitSet* b, int i):             # <<<<<<<<<<<<<<
@@ -17741,7 +17969,7 @@ static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("bitset_contains", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":93
  *     cdef int val
  * 
  *     val = 1 << i             # <<<<<<<<<<<<<<
@@ -17750,7 +17978,7 @@ static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
  */
   __pyx_v_val = (1 << __pyx_v_i);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":94
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":94
  * 
  *     val = 1 << i
  *     if b.bitset & val == 0:             # <<<<<<<<<<<<<<
@@ -17760,7 +17988,7 @@ static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   __pyx_t_1 = ((__pyx_v_b->bitset & __pyx_v_val) == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":95
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":95
  *     val = 1 << i
  *     if b.bitset & val == 0:
  *         return 0             # <<<<<<<<<<<<<<
@@ -17773,7 +18001,7 @@ static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *__pyx_v_b,
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":97
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":97
  *         return 0
  *     else:
  *         return 1             # <<<<<<<<<<<<<<
@@ -17802,7 +18030,7 @@ static PyObject *__pyx_pw_3_sa_14BitSetIterator_1__next__(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":104
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":104
  *     cdef int next_val
  * 
  *     def __next__(self):             # <<<<<<<<<<<<<<
@@ -17821,7 +18049,7 @@ static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_B
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__next__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":107
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":107
  *         cdef int ret_val
  * 
  *         if self.next_val == -1:             # <<<<<<<<<<<<<<
@@ -17831,7 +18059,7 @@ static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_B
   __pyx_t_1 = (__pyx_v_self->next_val == -1);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":108
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":108
  * 
  *         if self.next_val == -1:
  *             raise StopIteration()             # <<<<<<<<<<<<<<
@@ -17847,7 +18075,7 @@ static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_B
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":109
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":109
  *         if self.next_val == -1:
  *             raise StopIteration()
  *         ret_val = self.next_val             # <<<<<<<<<<<<<<
@@ -17856,7 +18084,7 @@ static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_B
  */
   __pyx_v_ret_val = __pyx_v_self->next_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":110
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":110
  *             raise StopIteration()
  *         ret_val = self.next_val
  *         self.next_val = bitset_findsucc(self.b, ret_val)             # <<<<<<<<<<<<<<
@@ -17865,7 +18093,7 @@ static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_B
  */
   __pyx_v_self->next_val = __pyx_f_3_sa_bitset_findsucc(__pyx_v_self->b, __pyx_v_ret_val);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":111
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":111
  *         ret_val = self.next_val
  *         self.next_val = bitset_findsucc(self.b, ret_val)
  *         return ret_val             # <<<<<<<<<<<<<<
@@ -17905,7 +18133,7 @@ static int __pyx_pw_3_sa_6BitSet_1__cinit__(PyObject *__pyx_v_self, PyObject *__
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":122
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":122
  *     cdef _BitSet* b
  * 
  *     def __cinit__(self):             # <<<<<<<<<<<<<<
@@ -17918,7 +18146,7 @@ static int __pyx_pf_3_sa_6BitSet___cinit__(struct __pyx_obj_3_sa_BitSet *__pyx_v
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":123
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":123
  * 
  *     def __cinit__(self):
  *         self.b = new_BitSet()             # <<<<<<<<<<<<<<
@@ -17941,7 +18169,7 @@ static void __pyx_pw_3_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":125
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":125
  *         self.b = new_BitSet()
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -17953,7 +18181,7 @@ static void __pyx_pf_3_sa_6BitSet_2__dealloc__(struct __pyx_obj_3_sa_BitSet *__p
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":126
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":126
  * 
  *     def __dealloc__(self):
  *         free(self.b)             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":128
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":128
  *         free(self.b)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":130
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":130
  *     def __iter__(self):
  *         cdef BitSetIterator it
  *         it = BitSetIterator()             # <<<<<<<<<<<<<<
@@ -18006,7 +18234,7 @@ static PyObject *__pyx_pf_3_sa_6BitSet_4__iter__(struct __pyx_obj_3_sa_BitSet *_
   __pyx_v_it = ((struct __pyx_obj_3_sa_BitSetIterator *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":131
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":131
  *         cdef BitSetIterator it
  *         it = BitSetIterator()
  *         it.b = self.b             # <<<<<<<<<<<<<<
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   __pyx_v_it->b = __pyx_v_self->b;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":132
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":132
  *         it = BitSetIterator()
  *         it.b = self.b
  *         it.next_val = self.b.min_val             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":133
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":133
  *         it.b = self.b
  *         it.next_val = self.b.min_val
  *         return it             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":135
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":135
  *         return it
  * 
  *     def insert(self, i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":136
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  * 
  *     def insert(self, i):
  *         return bitset_insert(self.b, i)             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":138
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":138
  *         return bitset_insert(self.b, i)
  * 
  *     def findsucc(self, i):             # <<<<<<<<<<<<<<
@@ -18134,7 +18362,7 @@ static PyObject *__pyx_pf_3_sa_6BitSet_8findsucc(struct __pyx_obj_3_sa_BitSet *_
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":139
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":139
  * 
  *     def findsucc(self, i):
  *         return bitset_findsucc(self.b, i)             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":141
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":141
  *         return bitset_findsucc(self.b, i)
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -18191,7 +18419,7 @@ static PyObject *__pyx_pf_3_sa_6BitSet_10__str__(struct __pyx_obj_3_sa_BitSet *_
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":142
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":142
  * 
  *     def __str__(self):
  *         return dec2bin(self.b.bitset)+"  ("+str(self.b.size)+","+str(self.b.min_val)+","+str(self.b.max_val)+")"             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":144
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":144
  *         return dec2bin(self.b.bitset)+"  ("+str(self.b.size)+","+str(self.b.min_val)+","+str(self.b.max_val)+")"
  * 
  *     def min(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":145
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":145
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  *     def min(self):
  *         return self.b.min_val             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":147
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":147
  *         return self.b.min_val
  * 
  *     def max(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":148
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":148
  * 
  *     def max(self):
  *         return self.b.max_val             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":150
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":150
  *         return self.b.max_val
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":151
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  * 
  *     def __len__(self):
  *         return self.b.size             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":153
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":153
  *         return self.b.size
  * 
  *     def __contains__(self, i):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannySetupContext("__contains__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":154
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":154
  * 
  *     def __contains__(self, i):
  *         return bool(bitset_contains(self.b, i))             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":157
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":157
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  * 
  * cdef str dec2bin(long i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":158
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":158
  * 
  * cdef str dec2bin(long i):
  *     cdef str result = ""             # <<<<<<<<<<<<<<
@@ -18509,7 +18737,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_45));
   __pyx_v_result = __pyx_kp_s_45;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":160
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":160
  *     cdef str result = ""
  *     cdef unsigned d
  *     for d in range(MIN_BOTTOM_SIZE):             # <<<<<<<<<<<<<<
@@ -18520,7 +18748,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
   for (__pyx_t_2 = 0; __pyx_t_2 < __pyx_t_1; __pyx_t_2+=1) {
     __pyx_v_d = __pyx_t_2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":161
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":161
  *     cdef unsigned d
  *     for d in range(MIN_BOTTOM_SIZE):
  *         if i & LOWER_MASK[0] == 0:             # <<<<<<<<<<<<<<
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     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":162
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":162
  *     for d in range(MIN_BOTTOM_SIZE):
  *         if i & LOWER_MASK[0] == 0:
  *             result = "0"+result             # <<<<<<<<<<<<<<
@@ -18546,7 +18774,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":164
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":164
  *             result = "0"+result
  *         else:
  *             result = "1"+result             # <<<<<<<<<<<<<<
@@ -18561,7 +18789,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":165
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":165
  *         else:
  *             result = "1"+result
  *         i = i >> 1             # <<<<<<<<<<<<<<
@@ -18571,7 +18799,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
     __pyx_v_i = (__pyx_v_i >> 1);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":166
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":166
  *             result = "1"+result
  *         i = i >> 1
  *     return result             # <<<<<<<<<<<<<<
@@ -18596,7 +18824,7 @@ static PyObject *__pyx_f_3_sa_dec2bin(long __pyx_v_i) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":177
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":177
  *     void** bottom
  * 
  * cdef _VEB* new_VEB(int n):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":181
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":181
  *     cdef int num_bits, num_top_bits, i
  * 
  *     veb = <_VEB*> malloc(sizeof(_VEB))             # <<<<<<<<<<<<<<
@@ -18626,7 +18854,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
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   __pyx_v_veb = ((struct __pyx_t_3_sa__VEB *)malloc((sizeof(struct __pyx_t_3_sa__VEB))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":183
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":183
  *     veb = <_VEB*> malloc(sizeof(_VEB))
  * 
  *     num_bits = int(ceil(log(n) / log(2)))             # <<<<<<<<<<<<<<
@@ -18641,7 +18869,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
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   __pyx_v_num_bits = ((int)ceil((__pyx_t_1 / __pyx_t_2)));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":184
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":184
  * 
  *     num_bits = int(ceil(log(n) / log(2)))
  *     veb.num_bottom_bits = num_bits/2             # <<<<<<<<<<<<<<
@@ -18650,7 +18878,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":185
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":185
  *     num_bits = int(ceil(log(n) / log(2)))
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  *     if veb.num_bottom_bits < MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
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   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":186
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":186
  *     veb.num_bottom_bits = num_bits/2
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   }
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":187
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":187
  *     if veb.num_bottom_bits < MIN_BOTTOM_BITS:
  *         veb.num_bottom_bits = MIN_BOTTOM_BITS
  *     veb.top_universe_size = (n >> veb.num_bottom_bits) + 1             # <<<<<<<<<<<<<<
@@ -18681,7 +18909,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
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   __pyx_v_veb->top_universe_size = ((__pyx_v_n >> __pyx_v_veb->num_bottom_bits) + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":189
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":189
  *     veb.top_universe_size = (n >> veb.num_bottom_bits) + 1
  * 
  *     veb.bottom = <void**> malloc(veb.top_universe_size * sizeof(void*))             # <<<<<<<<<<<<<<
@@ -18690,7 +18918,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
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   __pyx_v_veb->bottom = ((void **)malloc((__pyx_v_veb->top_universe_size * (sizeof(void *)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":190
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":190
  * 
  *     veb.bottom = <void**> malloc(veb.top_universe_size * sizeof(void*))
  *     memset(veb.bottom, 0, veb.top_universe_size * sizeof(void*))             # <<<<<<<<<<<<<<
@@ -18699,7 +18927,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
  */
   memset(__pyx_v_veb->bottom, 0, (__pyx_v_veb->top_universe_size * (sizeof(void *))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":192
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":192
  *     memset(veb.bottom, 0, veb.top_universe_size * sizeof(void*))
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -18709,7 +18937,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
   __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":193
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":193
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *         veb.top = new_VEB(veb.top_universe_size)             # <<<<<<<<<<<<<<
@@ -18721,7 +18949,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":195
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":195
  *         veb.top = new_VEB(veb.top_universe_size)
  *     else:
  *         veb.top = new_BitSet()             # <<<<<<<<<<<<<<
@@ -18732,7 +18960,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":197
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":197
  *         veb.top = new_BitSet()
  * 
  *     veb.max_val = -1             # <<<<<<<<<<<<<<
@@ -18741,7 +18969,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
  */
   __pyx_v_veb->max_val = -1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":198
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":198
  * 
  *     veb.max_val = -1
  *     veb.min_val = -1             # <<<<<<<<<<<<<<
@@ -18750,7 +18978,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
  */
   __pyx_v_veb->min_val = -1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":199
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":199
  *     veb.max_val = -1
  *     veb.min_val = -1
  *     veb.size = 0             # <<<<<<<<<<<<<<
@@ -18759,7 +18987,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
  */
   __pyx_v_veb->size = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":200
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":200
  *     veb.min_val = -1
  *     veb.size = 0
  *     return veb             # <<<<<<<<<<<<<<
@@ -18779,7 +19007,7 @@ static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":203
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":203
  * 
  * 
  * cdef int VEB_insert(_VEB* veb, int i):             # <<<<<<<<<<<<<<
@@ -18800,7 +19028,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("VEB_insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":208
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":208
  *     cdef int a, b, tmp
  * 
  *     if veb.size == 0:             # <<<<<<<<<<<<<<
@@ -18810,7 +19038,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   __pyx_t_1 = (__pyx_v_veb->size == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":209
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":209
  * 
  *     if veb.size == 0:
  *         veb.min_val = i             # <<<<<<<<<<<<<<
@@ -18819,7 +19047,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
     __pyx_v_veb->min_val = __pyx_v_i;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":210
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":210
  *     if veb.size == 0:
  *         veb.min_val = i
  *         veb.max_val = i             # <<<<<<<<<<<<<<
@@ -18830,7 +19058,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":211
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":211
  *         veb.min_val = i
  *         veb.max_val = i
  *     elif i == veb.min_val or i == veb.max_val:             # <<<<<<<<<<<<<<
@@ -18846,7 +19074,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":212
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":212
  *         veb.max_val = i
  *     elif i == veb.min_val or i == veb.max_val:
  *         return 0             # <<<<<<<<<<<<<<
@@ -18859,7 +19087,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":214
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":214
  *         return 0
  *     else:
  *         if i < veb.min_val:             # <<<<<<<<<<<<<<
@@ -18869,7 +19097,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     __pyx_t_3 = (__pyx_v_i < __pyx_v_veb->min_val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":215
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":215
  *     else:
  *         if i < veb.min_val:
  *             tmp = i             # <<<<<<<<<<<<<<
@@ -18878,7 +19106,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
       __pyx_v_tmp = __pyx_v_i;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":216
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":216
  *         if i < veb.min_val:
  *             tmp = i
  *             i = veb.min_val             # <<<<<<<<<<<<<<
@@ -18887,7 +19115,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
       __pyx_v_i = __pyx_v_veb->min_val;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":217
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":217
  *             tmp = i
  *             i = veb.min_val
  *             veb.min_val = tmp             # <<<<<<<<<<<<<<
@@ -18899,7 +19127,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     }
     __pyx_L4:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":218
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":218
  *             i = veb.min_val
  *             veb.min_val = tmp
  *         a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
@@ -18908,7 +19136,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
     __pyx_v_a = (__pyx_v_i >> __pyx_v_veb->num_bottom_bits);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":219
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":219
  *             veb.min_val = tmp
  *         a = i >> veb.num_bottom_bits
  *         b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
@@ -18917,7 +19145,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
     __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":220
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":220
  *         a = i >> veb.num_bottom_bits
  *         b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *         if veb.bottom[a] == NULL:             # <<<<<<<<<<<<<<
@@ -18927,7 +19155,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     __pyx_t_3 = ((__pyx_v_veb->bottom[__pyx_v_a]) == NULL);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":221
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":221
  *         b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *         if veb.bottom[a] == NULL:
  *             if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -18937,7 +19165,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":222
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":222
  *         if veb.bottom[a] == NULL:
  *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *                 subv = <_VEB*> veb.top             # <<<<<<<<<<<<<<
@@ -18946,7 +19174,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
         __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":223
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":223
  *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *                 subv = <_VEB*> veb.top
  *                 VEB_insert(subv, a)             # <<<<<<<<<<<<<<
@@ -18958,7 +19186,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":225
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":225
  *                 VEB_insert(subv, a)
  *             else:
  *                 subb = <_BitSet*> veb.top             # <<<<<<<<<<<<<<
@@ -18967,7 +19195,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
         __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":226
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":226
  *             else:
  *                 subb = <_BitSet*> veb.top
  *                 bitset_insert(subb, a)             # <<<<<<<<<<<<<<
@@ -18978,7 +19206,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       }
       __pyx_L6:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":227
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":227
  *                 subb = <_BitSet*> veb.top
  *                 bitset_insert(subb, a)
  *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -18988,7 +19216,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":228
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":228
  *                 bitset_insert(subb, a)
  *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)             # <<<<<<<<<<<<<<
@@ -19000,7 +19228,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":230
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":230
  *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
  *             else:
  *                 veb.bottom[a] = new_BitSet()             # <<<<<<<<<<<<<<
@@ -19014,7 +19242,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":231
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":231
  *             else:
  *                 veb.bottom[a] = new_BitSet()
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -19024,7 +19252,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":232
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":232
  *                 veb.bottom[a] = new_BitSet()
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19033,7 +19261,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
       __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":233
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":233
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]
  *             if VEB_insert(subv, b) == 0:             # <<<<<<<<<<<<<<
@@ -19043,7 +19271,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       __pyx_t_3 = (__pyx_f_3_sa_VEB_insert(__pyx_v_subv, __pyx_v_b) == 0);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":234
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":234
  *             subv = <_VEB*> veb.bottom[a]
  *             if VEB_insert(subv, b) == 0:
  *                 return 0             # <<<<<<<<<<<<<<
@@ -19059,7 +19287,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":236
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":236
  *                 return 0
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19068,7 +19296,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
       __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":237
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":237
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]
  *             if bitset_insert(subb, b) == 0:             # <<<<<<<<<<<<<<
@@ -19078,7 +19306,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
       __pyx_t_3 = (__pyx_f_3_sa_bitset_insert(__pyx_v_subb, __pyx_v_b) == 0);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":238
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":238
  *             subb = <_BitSet*> veb.bottom[a]
  *             if bitset_insert(subb, b) == 0:
  *                 return 0             # <<<<<<<<<<<<<<
@@ -19093,7 +19321,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     }
     __pyx_L8:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":240
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":240
  *                 return 0
  * 
  *         if i > veb.max_val:             # <<<<<<<<<<<<<<
@@ -19103,7 +19331,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
     __pyx_t_3 = (__pyx_v_i > __pyx_v_veb->max_val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":241
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":241
  * 
  *         if i > veb.max_val:
  *             veb.max_val = i             # <<<<<<<<<<<<<<
@@ -19117,7 +19345,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":242
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":242
  *         if i > veb.max_val:
  *             veb.max_val = i
  *     veb.size = veb.size + 1             # <<<<<<<<<<<<<<
@@ -19126,7 +19354,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
  */
   __pyx_v_veb->size = (__pyx_v_veb->size + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":243
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":243
  *             veb.max_val = i
  *     veb.size = veb.size + 1
  *     return 1             # <<<<<<<<<<<<<<
@@ -19142,7 +19370,7 @@ static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":246
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":246
  * 
  * 
  * cdef del_VEB(_VEB* veb):             # <<<<<<<<<<<<<<
@@ -19161,7 +19389,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("del_VEB", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":249
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":249
  *     cdef int i
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -19171,7 +19399,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":250
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":250
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *         i = (<_VEB*> veb.top).min_val             # <<<<<<<<<<<<<<
@@ -19183,7 +19411,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":252
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":252
  *         i = (<_VEB*> veb.top).min_val
  *     else:
  *         i = (<_BitSet*> veb.top).min_val             # <<<<<<<<<<<<<<
@@ -19194,7 +19422,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":254
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":254
  *         i = (<_BitSet*> veb.top).min_val
  * 
  *     while i != -1:             # <<<<<<<<<<<<<<
@@ -19205,7 +19433,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     __pyx_t_1 = (__pyx_v_i != -1);
     if (!__pyx_t_1) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":255
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":255
  * 
  *     while i != -1:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -19215,7 +19443,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     __pyx_t_1 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":256
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":256
  *     while i != -1:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             del_VEB(<_VEB*> veb.bottom[i])             # <<<<<<<<<<<<<<
@@ -19229,7 +19457,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":258
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":258
  *             del_VEB(<_VEB*> veb.bottom[i])
  *         else:
  *             free(<_BitSet*> veb.bottom[i])             # <<<<<<<<<<<<<<
@@ -19240,7 +19468,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     }
     __pyx_L6:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":260
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":260
  *             free(<_BitSet*> veb.bottom[i])
  * 
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -19250,7 +19478,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":261
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":261
  * 
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *             i = VEB_findsucc(<_VEB*> veb.top, i)             # <<<<<<<<<<<<<<
@@ -19262,7 +19490,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":263
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":263
  *             i = VEB_findsucc(<_VEB*> veb.top, i)
  *         else:
  *             i = bitset_findsucc(<_BitSet*> veb.top, i)             # <<<<<<<<<<<<<<
@@ -19274,7 +19502,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
     __pyx_L7:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":265
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":265
  *             i = bitset_findsucc(<_BitSet*> veb.top, i)
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -19284,7 +19512,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":266
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":266
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *         del_VEB(<_VEB*> veb.top)             # <<<<<<<<<<<<<<
@@ -19298,7 +19526,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":268
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":268
  *         del_VEB(<_VEB*> veb.top)
  *     else:
  *         free(<_BitSet*> veb.top)             # <<<<<<<<<<<<<<
@@ -19309,7 +19537,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   }
   __pyx_L8:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":269
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":269
  *     else:
  *         free(<_BitSet*> veb.top)
  *     free(veb.bottom)             # <<<<<<<<<<<<<<
@@ -19318,7 +19546,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
  */
   free(__pyx_v_veb->bottom);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":270
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":270
  *         free(<_BitSet*> veb.top)
  *     free(veb.bottom)
  *     free(veb)             # <<<<<<<<<<<<<<
@@ -19339,7 +19567,7 @@ static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":273
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":273
  * 
  * 
  * cdef int VEB_findsucc(_VEB* veb, int i):             # <<<<<<<<<<<<<<
@@ -19362,7 +19590,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("VEB_findsucc", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":278
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":278
  *     cdef int a, b, j, c, found
  * 
  *     if veb.max_val == -1 or i>=veb.max_val:             # <<<<<<<<<<<<<<
@@ -19378,7 +19606,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":279
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":279
  * 
  *     if veb.max_val == -1 or i>=veb.max_val:
  *         return -1             # <<<<<<<<<<<<<<
@@ -19391,7 +19619,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":280
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":280
  *     if veb.max_val == -1 or i>=veb.max_val:
  *         return -1
  *     if i < veb.min_val:             # <<<<<<<<<<<<<<
@@ -19401,7 +19629,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   __pyx_t_3 = (__pyx_v_i < __pyx_v_veb->min_val);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":281
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":281
  *         return -1
  *     if i < veb.min_val:
  *         return veb.min_val             # <<<<<<<<<<<<<<
@@ -19414,7 +19642,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":283
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":283
  *         return veb.min_val
  * 
  *     a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
@@ -19423,7 +19651,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
   __pyx_v_a = (__pyx_v_i >> __pyx_v_veb->num_bottom_bits);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":284
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":284
  * 
  *     a = i >> veb.num_bottom_bits
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
@@ -19432,7 +19660,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
   __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":285
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":285
  *     a = i >> veb.num_bottom_bits
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *     found = 0             # <<<<<<<<<<<<<<
@@ -19441,7 +19669,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
   __pyx_v_found = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":286
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":286
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *     found = 0
  *     if veb.bottom[a] != NULL:             # <<<<<<<<<<<<<<
@@ -19451,7 +19679,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   __pyx_t_3 = ((__pyx_v_veb->bottom[__pyx_v_a]) != NULL);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":287
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":287
  *     found = 0
  *     if veb.bottom[a] != NULL:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -19461,7 +19689,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":288
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":288
  *     if veb.bottom[a] != NULL:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19470,7 +19698,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":289
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":289
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]
  *             if subv.max_val > b:             # <<<<<<<<<<<<<<
@@ -19480,7 +19708,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
       __pyx_t_3 = (__pyx_v_subv->max_val > __pyx_v_b);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":290
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":290
  *             subv = <_VEB*> veb.bottom[a]
  *             if subv.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)             # <<<<<<<<<<<<<<
@@ -19489,7 +19717,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
         __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_b));
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":291
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":291
  *             if subv.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
  *                 found = 1             # <<<<<<<<<<<<<<
@@ -19504,7 +19732,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":293
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":293
  *                 found = 1
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19513,7 +19741,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":294
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":294
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]
  *             if subb.max_val > b:             # <<<<<<<<<<<<<<
@@ -19523,7 +19751,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
       __pyx_t_3 = (__pyx_v_subb->max_val > __pyx_v_b);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":295
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":295
  *             subb = <_BitSet*> veb.bottom[a]
  *             if subb.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)             # <<<<<<<<<<<<<<
@@ -19532,7 +19760,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
         __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_b));
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":296
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":296
  *             if subb.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
  *                 found = 1             # <<<<<<<<<<<<<<
@@ -19549,7 +19777,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":297
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":297
  *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
  *                 found = 1
  *     if found==0:             # <<<<<<<<<<<<<<
@@ -19559,7 +19787,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   __pyx_t_3 = (__pyx_v_found == 0);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":298
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":298
  *                 found = 1
  *     if found==0:
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:             # <<<<<<<<<<<<<<
@@ -19569,7 +19797,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":299
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":299
  *     if found==0:
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *             subv = <_VEB*> veb.top             # <<<<<<<<<<<<<<
@@ -19578,7 +19806,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":300
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":300
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
  *             subv = <_VEB*> veb.top
  *             c = VEB_findsucc(subv, a)             # <<<<<<<<<<<<<<
@@ -19590,7 +19818,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":302
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":302
  *             c = VEB_findsucc(subv, a)
  *         else:
  *             subb = <_BitSet*> veb.top             # <<<<<<<<<<<<<<
@@ -19599,7 +19827,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":303
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":303
  *         else:
  *             subb = <_BitSet*> veb.top
  *             c = bitset_findsucc(subb, a)             # <<<<<<<<<<<<<<
@@ -19610,7 +19838,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     }
     __pyx_L10:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":304
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":304
  *             subb = <_BitSet*> veb.top
  *             c = bitset_findsucc(subb, a)
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -19620,7 +19848,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":305
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":305
  *             c = bitset_findsucc(subb, a)
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[c]             # <<<<<<<<<<<<<<
@@ -19629,7 +19857,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_c]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":306
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":306
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[c]
  *             j = (c << veb.num_bottom_bits) + subv.min_val             # <<<<<<<<<<<<<<
@@ -19641,7 +19869,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":308
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":308
  *             j = (c << veb.num_bottom_bits) + subv.min_val
  *         else:
  *             subb = <_BitSet*> veb.bottom[c]             # <<<<<<<<<<<<<<
@@ -19650,7 +19878,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_c]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":309
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":309
  *         else:
  *             subb = <_BitSet*> veb.bottom[c]
  *             j = (c << veb.num_bottom_bits) + subb.min_val             # <<<<<<<<<<<<<<
@@ -19664,7 +19892,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L9:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":310
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":310
  *             subb = <_BitSet*> veb.bottom[c]
  *             j = (c << veb.num_bottom_bits) + subb.min_val
  *     return j             # <<<<<<<<<<<<<<
@@ -19680,7 +19908,7 @@ static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":313
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":313
  * 
  * 
  * cdef int VEB_contains(_VEB* veb, int i):             # <<<<<<<<<<<<<<
@@ -19701,7 +19929,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("VEB_contains", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":318
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":318
  *     cdef int a, b
  * 
  *     if veb.size == 0 or i < veb.min_val or i > veb.max_val:             # <<<<<<<<<<<<<<
@@ -19723,7 +19951,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":319
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":319
  * 
  *     if veb.size == 0 or i < veb.min_val or i > veb.max_val:
  *         return 0             # <<<<<<<<<<<<<<
@@ -19736,7 +19964,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":321
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":321
  *         return 0
  * 
  *     if veb.min_val == i:             # <<<<<<<<<<<<<<
@@ -19746,7 +19974,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   __pyx_t_2 = (__pyx_v_veb->min_val == __pyx_v_i);
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":322
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":322
  * 
  *     if veb.min_val == i:
  *         return 1             # <<<<<<<<<<<<<<
@@ -19759,7 +19987,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":324
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":324
  *         return 1
  *     else:
  *         if veb.size == 1:             # <<<<<<<<<<<<<<
@@ -19769,7 +19997,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     __pyx_t_2 = (__pyx_v_veb->size == 1);
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":325
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":325
  *     else:
  *         if veb.size == 1:
  *             return 0             # <<<<<<<<<<<<<<
@@ -19784,7 +20012,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":327
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":327
  *             return 0
  * 
  *     a = i >> veb.num_bottom_bits             # <<<<<<<<<<<<<<
@@ -19793,7 +20021,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
   __pyx_v_a = (__pyx_v_i >> __pyx_v_veb->num_bottom_bits);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":328
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":328
  * 
  *     a = i >> veb.num_bottom_bits
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]             # <<<<<<<<<<<<<<
@@ -19802,7 +20030,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
   __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":329
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":329
  *     a = i >> veb.num_bottom_bits
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *     if veb.bottom[a] == NULL:             # <<<<<<<<<<<<<<
@@ -19812,7 +20040,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   __pyx_t_2 = ((__pyx_v_veb->bottom[__pyx_v_a]) == NULL);
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":330
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":330
  *     b = i & LOWER_MASK[veb.num_bottom_bits-1]
  *     if veb.bottom[a] == NULL:
  *         return 0             # <<<<<<<<<<<<<<
@@ -19825,7 +20053,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":332
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":332
  *         return 0
  *     else:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:             # <<<<<<<<<<<<<<
@@ -19835,7 +20063,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     __pyx_t_2 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":333
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":333
  *     else:
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19844,7 +20072,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":334
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":334
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]
  *             return VEB_contains(subv, b)             # <<<<<<<<<<<<<<
@@ -19857,7 +20085,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":336
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":336
  *             return VEB_contains(subv, b)
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]             # <<<<<<<<<<<<<<
@@ -19866,7 +20094,7 @@ static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int
  */
       __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":337
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":337
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]
  *             return bitset_contains(subb, b)             # <<<<<<<<<<<<<<
@@ -19897,7 +20125,7 @@ static PyObject *__pyx_pw_3_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":344
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":344
  *     cdef int next_val
  * 
  *     def __next__(self):             # <<<<<<<<<<<<<<
@@ -19916,7 +20144,7 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__next__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":347
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":347
  *         cdef int ret_val
  * 
  *         if self.next_val == -1:             # <<<<<<<<<<<<<<
@@ -19926,7 +20154,7 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
   __pyx_t_1 = (__pyx_v_self->next_val == -1);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":348
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":348
  * 
  *         if self.next_val == -1:
  *             raise StopIteration()             # <<<<<<<<<<<<<<
@@ -19942,7 +20170,7 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":349
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":349
  *         if self.next_val == -1:
  *             raise StopIteration()
  *         ret_val = self.next_val             # <<<<<<<<<<<<<<
@@ -19951,7 +20179,7 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
  */
   __pyx_v_ret_val = __pyx_v_self->next_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":350
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":350
  *             raise StopIteration()
  *         ret_val = self.next_val
  *         self.next_val = VEB_findsucc(self.v, ret_val)             # <<<<<<<<<<<<<<
@@ -19960,7 +20188,7 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
  */
   __pyx_v_self->next_val = __pyx_f_3_sa_VEB_findsucc(__pyx_v_self->v, __pyx_v_ret_val);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":351
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":351
  *         ret_val = self.next_val
  *         self.next_val = VEB_findsucc(self.v, ret_val)
  *         return ret_val             # <<<<<<<<<<<<<<
@@ -19990,11 +20218,11 @@ static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBI
 static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_v_size;
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   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,0};
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     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -20007,8 +20235,7 @@ static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__size);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__size)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
@@ -20034,7 +20261,7 @@ static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":360
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":360
  *     cdef int _first(self)
  * 
  *     def __cinit__(self, int size):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":361
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":361
  * 
  *     def __cinit__(self, int size):
  *         self.veb = new_VEB(size)             # <<<<<<<<<<<<<<
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":363
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":363
  *         self.veb = new_VEB(size)
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -20086,7 +20313,7 @@ static void __pyx_pf_3_sa_3VEB_2__dealloc__(struct __pyx_obj_3_sa_VEB *__pyx_v_s
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   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":364
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":364
  * 
  *     def __dealloc__(self):
  *         del_VEB(self.veb)             # <<<<<<<<<<<<<<
@@ -20116,7 +20343,7 @@ static PyObject *__pyx_pw_3_sa_3VEB_5__iter__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":366
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":366
  *         del_VEB(self.veb)
  * 
  *     def __iter__(self):             # <<<<<<<<<<<<<<
@@ -20134,7 +20361,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_4__iter__(struct __pyx_obj_3_sa_VEB *__pyx_v
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   __Pyx_RefNannySetupContext("__iter__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":368
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":368
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  *         cdef VEBIterator it
  *         it = VEBIterator()             # <<<<<<<<<<<<<<
@@ -20146,7 +20373,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_4__iter__(struct __pyx_obj_3_sa_VEB *__pyx_v
   __pyx_v_it = ((struct __pyx_obj_3_sa_VEBIterator *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":369
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":369
  *         cdef VEBIterator it
  *         it = VEBIterator()
  *         it.v = self.veb             # <<<<<<<<<<<<<<
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  */
   __pyx_v_it->v = __pyx_v_self->veb;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":370
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":370
  *         it = VEBIterator()
  *         it.v = self.veb
  *         it.next_val = self.veb.min_val             # <<<<<<<<<<<<<<
@@ -20164,7 +20391,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_4__iter__(struct __pyx_obj_3_sa_VEB *__pyx_v
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   __pyx_v_it->next_val = __pyx_v_self->veb->min_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":371
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":371
  *         it.v = self.veb
  *         it.next_val = self.veb.min_val
  *         return it             # <<<<<<<<<<<<<<
@@ -20200,7 +20427,7 @@ static PyObject *__pyx_pw_3_sa_3VEB_7insert(PyObject *__pyx_v_self, PyObject *__
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":373
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":373
  *         return it
  * 
  *     def insert(self, i):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannySetupContext("insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":374
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":374
  * 
  *     def insert(self, i):
  *         return VEB_insert(self.veb, i)             # <<<<<<<<<<<<<<
@@ -20245,7 +20472,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_6insert(struct __pyx_obj_3_sa_VEB *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":376
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":376
  *         return VEB_insert(self.veb, i)
  * 
  *     cdef int _insert(self, int i):             # <<<<<<<<<<<<<<
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   __Pyx_RefNannySetupContext("_insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":377
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":377
  * 
  *     cdef int _insert(self, int i):
  *         return VEB_insert(self.veb, i)             # <<<<<<<<<<<<<<
@@ -20285,7 +20512,7 @@ static PyObject *__pyx_pw_3_sa_3VEB_9findsucc(PyObject *__pyx_v_self, PyObject *
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":379
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":379
  *         return VEB_insert(self.veb, i)
  * 
  *     def findsucc(self, i):             # <<<<<<<<<<<<<<
@@ -20303,7 +20530,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_8findsucc(struct __pyx_obj_3_sa_VEB *__pyx_v
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   __Pyx_RefNannySetupContext("findsucc", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":380
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":380
  * 
  *     def findsucc(self, i):
  *         return VEB_findsucc(self.veb, i)             # <<<<<<<<<<<<<<
@@ -20330,7 +20557,7 @@ static PyObject *__pyx_pf_3_sa_3VEB_8findsucc(struct __pyx_obj_3_sa_VEB *__pyx_v
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":382
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":382
  *         return VEB_findsucc(self.veb, i)
  * 
  *     cdef int _first(self):             # <<<<<<<<<<<<<<
@@ -20343,7 +20570,7 @@ static int __pyx_f_3_sa_3VEB__first(struct __pyx_obj_3_sa_VEB *__pyx_v_self) {
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   __Pyx_RefNannySetupContext("_first", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":383
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":383
  * 
  *     cdef int _first(self):
  *         return self.veb.min_val             # <<<<<<<<<<<<<<
@@ -20359,7 +20586,7 @@ static int __pyx_f_3_sa_3VEB__first(struct __pyx_obj_3_sa_VEB *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":385
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":385
  *         return self.veb.min_val
  * 
  *     cdef int _findsucc(self, int i):             # <<<<<<<<<<<<<<
@@ -20372,7 +20599,7 @@ static int __pyx_f_3_sa_3VEB__findsucc(struct __pyx_obj_3_sa_VEB *__pyx_v_self,
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("_findsucc", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":386
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":386
  * 
  *     cdef int _findsucc(self, int i):
  *         return VEB_findsucc(self.veb, i)             # <<<<<<<<<<<<<<
@@ -20399,7 +20626,7 @@ static Py_ssize_t __pyx_pw_3_sa_3VEB_11__len__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":388
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":388
  *         return VEB_findsucc(self.veb, i)
  * 
  *     def __len__(self):             # <<<<<<<<<<<<<<
@@ -20412,7 +20639,7 @@ static Py_ssize_t __pyx_pf_3_sa_3VEB_10__len__(struct __pyx_obj_3_sa_VEB *__pyx_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__len__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":389
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":389
  * 
  *     def __len__(self):
  *         return self.veb.size             # <<<<<<<<<<<<<<
@@ -20439,7 +20666,7 @@ static int __pyx_pw_3_sa_3VEB_13__contains__(PyObject *__pyx_v_self, PyObject *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":391
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":391
  *         return self.veb.size
  * 
  *     def __contains__(self, i):             # <<<<<<<<<<<<<<
@@ -20455,7 +20682,7 @@ static int __pyx_pf_3_sa_3VEB_12__contains__(struct __pyx_obj_3_sa_VEB *__pyx_v_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__contains__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":392
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":392
  * 
  *     def __contains__(self, i):
  *         return VEB_contains(self.veb, i)             # <<<<<<<<<<<<<<
@@ -20478,11 +20705,11 @@ static int __pyx_pf_3_sa_3VEB_12__contains__(struct __pyx_obj_3_sa_VEB *__pyx_v_
 static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sa = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sa,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sa,0};
     PyObject* values[1] = {0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -20495,8 +20722,7 @@ static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sa);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sa)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
@@ -20527,7 +20753,7 @@ static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":9
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":9
  *     cdef IntList lcp
  * 
  *     def __cinit__(self, SuffixArray sa):             # <<<<<<<<<<<<<<
@@ -20556,7 +20782,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":13
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":13
  *         cdef IntList rank
  * 
  *         logger.info("Constructing LCP array")             # <<<<<<<<<<<<<<
@@ -20573,7 +20799,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":14
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":14
  * 
  *         logger.info("Constructing LCP array")
  *         self.sa = sa             # <<<<<<<<<<<<<<
@@ -20586,7 +20812,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __Pyx_DECREF(((PyObject *)__pyx_v_self->sa));
   __pyx_v_self->sa = __pyx_v_sa;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":15
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":15
  *         logger.info("Constructing LCP array")
  *         self.sa = sa
  *         n = self.sa.sa.len             # <<<<<<<<<<<<<<
@@ -20595,7 +20821,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
  */
   __pyx_v_n = __pyx_v_self->sa->sa->len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":16
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":16
  *         self.sa = sa
  *         n = self.sa.sa.len
  *         self.lcp = IntList(initial_len=n)             # <<<<<<<<<<<<<<
@@ -20617,7 +20843,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __pyx_v_self->lcp = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":18
  *         self.lcp = IntList(initial_len=n)
  * 
  *         rank = IntList(initial_len=n)             # <<<<<<<<<<<<<<
@@ -20636,7 +20862,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __pyx_v_rank = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":19
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":19
  * 
  *         rank = IntList(initial_len=n)
  *         for i from 0 <= i < n:             # <<<<<<<<<<<<<<
@@ -20646,7 +20872,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __pyx_t_3 = __pyx_v_n;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":20
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":20
  *         rank = IntList(initial_len=n)
  *         for i from 0 <= i < n:
  *             rank.arr[sa.sa.arr[i]] = i             # <<<<<<<<<<<<<<
@@ -20656,7 +20882,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     (__pyx_v_rank->arr[(__pyx_v_sa->sa->arr[__pyx_v_i])]) = __pyx_v_i;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":22
  *             rank.arr[sa.sa.arr[i]] = i
  * 
  *         h = 0             # <<<<<<<<<<<<<<
@@ -20665,7 +20891,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
  */
   __pyx_v_h = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":23
  * 
  *         h = 0
  *         for i from 0 <= i < n:             # <<<<<<<<<<<<<<
@@ -20675,7 +20901,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
   __pyx_t_3 = __pyx_v_n;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":24
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":24
  *         h = 0
  *         for i from 0 <= i < n:
  *             k = rank.arr[i]             # <<<<<<<<<<<<<<
@@ -20684,7 +20910,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
  */
     __pyx_v_k = (__pyx_v_rank->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":25
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":25
  *         for i from 0 <= i < n:
  *             k = rank.arr[i]
  *             if k == 0:             # <<<<<<<<<<<<<<
@@ -20694,7 +20920,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     __pyx_t_4 = (__pyx_v_k == 0);
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":26
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":26
  *             k = rank.arr[i]
  *             if k == 0:
  *                 self.lcp.arr[k] = -1             # <<<<<<<<<<<<<<
@@ -20706,7 +20932,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":28
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":28
  *                 self.lcp.arr[k] = -1
  *             else:
  *                 j = sa.sa.arr[k-1]             # <<<<<<<<<<<<<<
@@ -20715,7 +20941,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
  */
       __pyx_v_j = (__pyx_v_sa->sa->arr[(__pyx_v_k - 1)]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":29
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":29
  *             else:
  *                 j = sa.sa.arr[k-1]
  *                 while i+h < n and j+h < n and sa.darray.data.arr[i+h] == sa.darray.data.arr[j+h]:             # <<<<<<<<<<<<<<
@@ -20738,7 +20964,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
         }
         if (!__pyx_t_5) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":30
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":30
  *                 j = sa.sa.arr[k-1]
  *                 while i+h < n and j+h < n and sa.darray.data.arr[i+h] == sa.darray.data.arr[j+h]:
  *                     h = h+1             # <<<<<<<<<<<<<<
@@ -20748,7 +20974,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
         __pyx_v_h = (__pyx_v_h + 1);
       }
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":31
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":31
  *                 while i+h < n and j+h < n and sa.darray.data.arr[i+h] == sa.darray.data.arr[j+h]:
  *                     h = h+1
  *                 self.lcp.arr[k] = h             # <<<<<<<<<<<<<<
@@ -20759,7 +20985,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     }
     __pyx_L7:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":32
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":32
  *                     h = h+1
  *                 self.lcp.arr[k] = h
  *             if h > 0:             # <<<<<<<<<<<<<<
@@ -20769,7 +20995,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     __pyx_t_5 = (__pyx_v_h > 0);
     if (__pyx_t_5) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":33
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":33
  *                 self.lcp.arr[k] = h
  *             if h > 0:
  *                 h = h-1             # <<<<<<<<<<<<<<
@@ -20782,7 +21008,7 @@ static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self,
     __pyx_L10:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":34
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":34
  *             if h > 0:
  *                 h = h-1
  *         logger.info("LCP array completed")             # <<<<<<<<<<<<<<
@@ -20835,7 +21061,7 @@ static PyObject *__pyx_pw_3_sa_3LCP_3compute_stats(PyObject *__pyx_v_self, PyObj
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":36
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":36
  *         logger.info("LCP array completed")
  * 
  *     def compute_stats(self, int max_n):             # <<<<<<<<<<<<<<
@@ -20906,7 +21132,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_L3_first_run:;
   if (unlikely(!__pyx_sent_value)) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":48
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":48
  *         cdef VEB veb
  * 
  *         N = self.sa.sa.len             # <<<<<<<<<<<<<<
@@ -20915,7 +21141,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
   __pyx_cur_scope->__pyx_v_N = __pyx_cur_scope->__pyx_v_self->sa->sa->len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":50
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":50
  *         N = self.sa.sa.len
  * 
  *         ngram_starts = []             # <<<<<<<<<<<<<<
@@ -20928,7 +21154,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_cur_scope->__pyx_v_ngram_starts = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":51
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":51
  * 
  *         ngram_starts = []
  *         for n from 0 <= n < max_n:             # <<<<<<<<<<<<<<
@@ -20938,7 +21164,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_t_2 = __pyx_cur_scope->__pyx_v_max_n;
   for (__pyx_cur_scope->__pyx_v_n = 0; __pyx_cur_scope->__pyx_v_n < __pyx_t_2; __pyx_cur_scope->__pyx_v_n++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":52
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":52
  *         ngram_starts = []
  *         for n from 0 <= n < max_n:
  *             ngram_starts.append(IntList(initial_len=N))             # <<<<<<<<<<<<<<
@@ -20958,7 +21184,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":54
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":54
  *             ngram_starts.append(IntList(initial_len=N))
  * 
  *         run_start = IntList(initial_len=max_n)             # <<<<<<<<<<<<<<
@@ -20978,7 +21204,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_cur_scope->__pyx_v_run_start = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":55
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":55
  * 
  *         run_start = IntList(initial_len=max_n)
  *         veb = VEB(N)             # <<<<<<<<<<<<<<
@@ -20999,7 +21225,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_cur_scope->__pyx_v_veb = ((struct __pyx_obj_3_sa_VEB *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":57
  *         veb = VEB(N)
  * 
  *         for i from 0 <= i < N:             # <<<<<<<<<<<<<<
@@ -21009,7 +21235,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_t_2 = __pyx_cur_scope->__pyx_v_N;
   for (__pyx_cur_scope->__pyx_v_i = 0; __pyx_cur_scope->__pyx_v_i < __pyx_t_2; __pyx_cur_scope->__pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":58
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":58
  * 
  *         for i from 0 <= i < N:
  *             h = self.lcp.arr[i]             # <<<<<<<<<<<<<<
@@ -21018,7 +21244,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
     __pyx_cur_scope->__pyx_v_h = (__pyx_cur_scope->__pyx_v_self->lcp->arr[__pyx_cur_scope->__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":59
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":59
  *         for i from 0 <= i < N:
  *             h = self.lcp.arr[i]
  *             if h < 0:             # <<<<<<<<<<<<<<
@@ -21028,7 +21254,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     __pyx_t_5 = (__pyx_cur_scope->__pyx_v_h < 0);
     if (__pyx_t_5) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":60
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":60
  *             h = self.lcp.arr[i]
  *             if h < 0:
  *                 h = 0             # <<<<<<<<<<<<<<
@@ -21040,7 +21266,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     }
     __pyx_L8:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":61
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":61
  *             if h < 0:
  *                 h = 0
  *             for n from h <= n < max_n:             # <<<<<<<<<<<<<<
@@ -21050,7 +21276,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     __pyx_t_6 = __pyx_cur_scope->__pyx_v_max_n;
     for (__pyx_cur_scope->__pyx_v_n = __pyx_cur_scope->__pyx_v_h; __pyx_cur_scope->__pyx_v_n < __pyx_t_6; __pyx_cur_scope->__pyx_v_n++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":62
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":62
  *                 h = 0
  *             for n from h <= n < max_n:
  *                 rs = run_start.arr[n]             # <<<<<<<<<<<<<<
@@ -21059,7 +21285,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
       __pyx_cur_scope->__pyx_v_rs = (__pyx_cur_scope->__pyx_v_run_start->arr[__pyx_cur_scope->__pyx_v_n]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":63
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":63
  *             for n from h <= n < max_n:
  *                 rs = run_start.arr[n]
  *                 run_start.arr[n] = i             # <<<<<<<<<<<<<<
@@ -21068,7 +21294,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
       (__pyx_cur_scope->__pyx_v_run_start->arr[__pyx_cur_scope->__pyx_v_n]) = __pyx_cur_scope->__pyx_v_i;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":64
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":64
  *                 rs = run_start.arr[n]
  *                 run_start.arr[n] = i
  *                 freq = i - rs             # <<<<<<<<<<<<<<
@@ -21077,7 +21303,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
       __pyx_cur_scope->__pyx_v_freq = (__pyx_cur_scope->__pyx_v_i - __pyx_cur_scope->__pyx_v_rs);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":65
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":65
  *                 run_start.arr[n] = i
  *                 freq = i - rs
  *                 if freq > 1000: # arbitrary, but see note below             # <<<<<<<<<<<<<<
@@ -21087,7 +21313,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
       __pyx_t_5 = (__pyx_cur_scope->__pyx_v_freq > 1000);
       if (__pyx_t_5) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":66
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":66
  *                 freq = i - rs
  *                 if freq > 1000: # arbitrary, but see note below
  *                     veb._insert(freq)             # <<<<<<<<<<<<<<
@@ -21096,7 +21322,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
         ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_cur_scope->__pyx_v_veb->__pyx_vtab)->_insert(__pyx_cur_scope->__pyx_v_veb, __pyx_cur_scope->__pyx_v_freq);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":67
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":67
  *                 if freq > 1000: # arbitrary, but see note below
  *                     veb._insert(freq)
  *                     ngram_start = ngram_starts[n]             # <<<<<<<<<<<<<<
@@ -21112,7 +21338,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
         __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
         __pyx_t_1 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":68
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":68
  *                     veb._insert(freq)
  *                     ngram_start = ngram_starts[n]
  *                     while ngram_start.arr[freq] > 0:             # <<<<<<<<<<<<<<
@@ -21123,7 +21349,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
           __pyx_t_5 = ((__pyx_cur_scope->__pyx_v_ngram_start->arr[__pyx_cur_scope->__pyx_v_freq]) > 0);
           if (!__pyx_t_5) break;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":69
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":69
  *                     ngram_start = ngram_starts[n]
  *                     while ngram_start.arr[freq] > 0:
  *                         freq = freq + 1 # cheating a bit, should be ok for sparse histogram             # <<<<<<<<<<<<<<
@@ -21133,7 +21359,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
           __pyx_cur_scope->__pyx_v_freq = (__pyx_cur_scope->__pyx_v_freq + 1);
         }
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":70
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":70
  *                     while ngram_start.arr[freq] > 0:
  *                         freq = freq + 1 # cheating a bit, should be ok for sparse histogram
  *                     ngram_start.arr[freq] = rs             # <<<<<<<<<<<<<<
@@ -21147,7 +21373,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     }
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":71
  *                         freq = freq + 1 # cheating a bit, should be ok for sparse histogram
  *                     ngram_start.arr[freq] = rs
  *         i = veb.veb.min_val             # <<<<<<<<<<<<<<
@@ -21156,7 +21382,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
   __pyx_cur_scope->__pyx_v_i = __pyx_cur_scope->__pyx_v_veb->veb->min_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":72
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":72
  *                     ngram_start.arr[freq] = rs
  *         i = veb.veb.min_val
  *         while i != -1:             # <<<<<<<<<<<<<<
@@ -21167,7 +21393,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     __pyx_t_5 = (__pyx_cur_scope->__pyx_v_i != -1);
     if (!__pyx_t_5) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":73
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":73
  *         i = veb.veb.min_val
  *         while i != -1:
  *             ii = veb._findsucc(i)             # <<<<<<<<<<<<<<
@@ -21176,7 +21402,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
     __pyx_cur_scope->__pyx_v_ii = ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_cur_scope->__pyx_v_veb->__pyx_vtab)->_findsucc(__pyx_cur_scope->__pyx_v_veb, __pyx_cur_scope->__pyx_v_i);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":74
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":74
  *         while i != -1:
  *             ii = veb._findsucc(i)
  *             for n from 0 <= n < max_n:             # <<<<<<<<<<<<<<
@@ -21186,7 +21412,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
     __pyx_t_2 = __pyx_cur_scope->__pyx_v_max_n;
     for (__pyx_cur_scope->__pyx_v_n = 0; __pyx_cur_scope->__pyx_v_n < __pyx_t_2; __pyx_cur_scope->__pyx_v_n++) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":75
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":75
  *             ii = veb._findsucc(i)
  *             for n from 0 <= n < max_n:
  *                 ngram_start = ngram_starts[n]             # <<<<<<<<<<<<<<
@@ -21202,7 +21428,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
       __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
       __pyx_t_1 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":76
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":76
  *             for n from 0 <= n < max_n:
  *                 ngram_start = ngram_starts[n]
  *                 iii = i             # <<<<<<<<<<<<<<
@@ -21211,7 +21437,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
       __pyx_cur_scope->__pyx_v_iii = __pyx_cur_scope->__pyx_v_i;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":77
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":77
  *                 ngram_start = ngram_starts[n]
  *                 iii = i
  *                 rs = ngram_start.arr[iii]             # <<<<<<<<<<<<<<
@@ -21220,7 +21446,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
       __pyx_cur_scope->__pyx_v_rs = (__pyx_cur_scope->__pyx_v_ngram_start->arr[__pyx_cur_scope->__pyx_v_iii]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":78
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":78
  *                 iii = i
  *                 rs = ngram_start.arr[iii]
  *                 while (ii==-1 or iii < ii) and rs != 0:             # <<<<<<<<<<<<<<
@@ -21243,7 +21469,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
         }
         if (!__pyx_t_7) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":79
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":79
  *                 rs = ngram_start.arr[iii]
  *                 while (ii==-1 or iii < ii) and rs != 0:
  *                     j = self.sa.sa.arr[rs]             # <<<<<<<<<<<<<<
@@ -21252,7 +21478,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
         __pyx_cur_scope->__pyx_v_j = (__pyx_cur_scope->__pyx_v_self->sa->sa->arr[__pyx_cur_scope->__pyx_v_rs]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":80
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":80
  *                 while (ii==-1 or iii < ii) and rs != 0:
  *                     j = self.sa.sa.arr[rs]
  *                     valid = 1             # <<<<<<<<<<<<<<
@@ -21261,7 +21487,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
         __pyx_cur_scope->__pyx_v_valid = 1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":81
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":81
  *                     j = self.sa.sa.arr[rs]
  *                     valid = 1
  *                     for k from 0 <= k < n+1:             # <<<<<<<<<<<<<<
@@ -21271,7 +21497,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
         __pyx_t_9 = (__pyx_cur_scope->__pyx_v_n + 1);
         for (__pyx_cur_scope->__pyx_v_k = 0; __pyx_cur_scope->__pyx_v_k < __pyx_t_9; __pyx_cur_scope->__pyx_v_k++) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":82
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":82
  *                     valid = 1
  *                     for k from 0 <= k < n+1:
  *                         if self.sa.darray.data.arr[j+k] < 2:             # <<<<<<<<<<<<<<
@@ -21281,7 +21507,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
           __pyx_t_7 = ((__pyx_cur_scope->__pyx_v_self->sa->darray->data->arr[(__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_k)]) < 2);
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":83
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":83
  *                     for k from 0 <= k < n+1:
  *                         if self.sa.darray.data.arr[j+k] < 2:
  *                             valid = 0             # <<<<<<<<<<<<<<
@@ -21294,7 +21520,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
           __pyx_L22:;
         }
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":84
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":84
  *                         if self.sa.darray.data.arr[j+k] < 2:
  *                             valid = 0
  *                     if valid:             # <<<<<<<<<<<<<<
@@ -21303,7 +21529,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
         if (__pyx_cur_scope->__pyx_v_valid) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":85
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":85
  *                             valid = 0
  *                     if valid:
  *                         ngram = tuple([self.sa.darray.data.arr[j+k] for k in range(n+1)])             # <<<<<<<<<<<<<<
@@ -21317,7 +21543,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
             __pyx_cur_scope->__pyx_v_k = __pyx_t_6;
             __pyx_t_3 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_self->sa->darray->data->arr[(__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_k)])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            if (unlikely(PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
           }
           __pyx_t_3 = ((PyObject *)PyList_AsTuple(__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -21329,7 +21555,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
           __pyx_cur_scope->__pyx_v_ngram = __pyx_t_3;
           __pyx_t_3 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":86
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":86
  *                     if valid:
  *                         ngram = tuple([self.sa.darray.data.arr[j+k] for k in range(n+1)])
  *                         yield i, n+1, ngram             # <<<<<<<<<<<<<<
@@ -21366,7 +21592,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
         }
         __pyx_L23:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":87
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":87
  *                         ngram = tuple([self.sa.darray.data.arr[j+k] for k in range(n+1)])
  *                         yield i, n+1, ngram
  *                     iii = iii + 1             # <<<<<<<<<<<<<<
@@ -21375,7 +21601,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
  */
         __pyx_cur_scope->__pyx_v_iii = (__pyx_cur_scope->__pyx_v_iii + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":88
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":88
  *                         yield i, n+1, ngram
  *                     iii = iii + 1
  *                     rs = ngram_start.arr[iii]             # <<<<<<<<<<<<<<
@@ -21385,7 +21611,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
       }
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":89
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":89
  *                     iii = iii + 1
  *                     rs = ngram_start.arr[iii]
  *             i = ii             # <<<<<<<<<<<<<<
@@ -21402,6 +21628,7 @@ static PyObject *__pyx_gb_3_sa_3LCP_4generator1(__pyx_GeneratorObject *__pyx_gen
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
@@ -21420,7 +21647,7 @@ static int __pyx_pw_3_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObject *
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":12
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":12
  *     cdef dict id2sym
  * 
  *     def __cinit__(self):             # <<<<<<<<<<<<<<
@@ -21437,7 +21664,7 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":13
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":13
  * 
  *     def __cinit__(self):
  *         self.terminals = StringMap()             # <<<<<<<<<<<<<<
@@ -21452,7 +21679,7 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
   __pyx_v_self->terminals = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":14
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":14
  *     def __cinit__(self):
  *         self.terminals = StringMap()
  *         self.nonterminals = StringMap()             # <<<<<<<<<<<<<<
@@ -21467,7 +21694,7 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
   __pyx_v_self->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":15
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":15
  *         self.terminals = StringMap()
  *         self.nonterminals = StringMap()
  *         self.id2sym = {}             # <<<<<<<<<<<<<<
@@ -21482,7 +21709,7 @@ static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__p
   __pyx_v_self->id2sym = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":16
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":16
  *         self.nonterminals = StringMap()
  *         self.id2sym = {}
  *         self.first_nonterminal = -1             # <<<<<<<<<<<<<<
@@ -21511,7 +21738,7 @@ static void __pyx_pw_3_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":18
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":18
  *         self.first_nonterminal = -1
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -21526,7 +21753,7 @@ static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":21
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":21
  *         pass
  * 
  *     cdef int isvar(self, int sym):             # <<<<<<<<<<<<<<
@@ -21539,7 +21766,7 @@ static int __pyx_f_3_sa_8Alphabet_isvar(CYTHON_UNUSED struct __pyx_obj_3_sa_Alph
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("isvar", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":22
  * 
  *     cdef int isvar(self, int sym):
  *         return sym < 0             # <<<<<<<<<<<<<<
@@ -21555,7 +21782,7 @@ static int __pyx_f_3_sa_8Alphabet_isvar(CYTHON_UNUSED struct __pyx_obj_3_sa_Alph
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":24
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":24
  *         return sym < 0
  * 
  *     cdef int isword(self, int sym):             # <<<<<<<<<<<<<<
@@ -21568,7 +21795,7 @@ static int __pyx_f_3_sa_8Alphabet_isword(CYTHON_UNUSED struct __pyx_obj_3_sa_Alp
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("isword", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":25
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":25
  * 
  *     cdef int isword(self, int sym):
  *         return sym >= 0             # <<<<<<<<<<<<<<
@@ -21584,7 +21811,7 @@ static int __pyx_f_3_sa_8Alphabet_isword(CYTHON_UNUSED struct __pyx_obj_3_sa_Alp
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":27
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":27
  *         return sym >= 0
  * 
  *     cdef int getindex(self, int sym):             # <<<<<<<<<<<<<<
@@ -21597,7 +21824,7 @@ static int __pyx_f_3_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_3_sa_A
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("getindex", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":28
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":28
  * 
  *     cdef int getindex(self, int sym):
  *         return -sym & INDEX_MASK             # <<<<<<<<<<<<<<
@@ -21613,7 +21840,7 @@ static int __pyx_f_3_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_3_sa_A
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":30
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":30
  *         return -sym & INDEX_MASK
  * 
  *     cdef int setindex(self, int sym, int ind):             # <<<<<<<<<<<<<<
@@ -21626,7 +21853,7 @@ static int __pyx_f_3_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_3_sa_A
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("setindex", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":31
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":31
  * 
  *     cdef int setindex(self, int sym, int ind):
  *         return -(-sym & ~INDEX_MASK | ind)             # <<<<<<<<<<<<<<
@@ -21642,7 +21869,7 @@ static int __pyx_f_3_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_3_sa_A
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":33
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":33
  *         return -(-sym & ~INDEX_MASK | ind)
  * 
  *     cdef int clearindex(self, int sym):             # <<<<<<<<<<<<<<
@@ -21655,7 +21882,7 @@ static int __pyx_f_3_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj_3_sa
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("clearindex", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":34
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":34
  * 
  *     cdef int clearindex(self, int sym):
  *         return -(-sym& ~INDEX_MASK)             # <<<<<<<<<<<<<<
@@ -21671,7 +21898,7 @@ static int __pyx_f_3_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj_3_sa
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":36
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":36
  *         return -(-sym& ~INDEX_MASK)
  * 
  *     cdef int match(self, int sym1, int sym2):             # <<<<<<<<<<<<<<
@@ -21684,7 +21911,7 @@ static int __pyx_f_3_sa_8Alphabet_match(struct __pyx_obj_3_sa_Alphabet *__pyx_v_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("match", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":37
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":37
  * 
  *     cdef int match(self, int sym1, int sym2):
  *         return self.clearindex(sym1) == self.clearindex(sym2);             # <<<<<<<<<<<<<<
@@ -21700,7 +21927,7 @@ static int __pyx_f_3_sa_8Alphabet_match(struct __pyx_obj_3_sa_Alphabet *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":39
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":39
  *         return self.clearindex(sym1) == self.clearindex(sym2);
  * 
  *     cdef char* tocat(self, int sym):             # <<<<<<<<<<<<<<
@@ -21713,7 +21940,7 @@ static char *__pyx_f_3_sa_8Alphabet_tocat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("tocat", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":40
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":40
  * 
  *     cdef char* tocat(self, int sym):
  *         return self.nonterminals.word((-sym >> INDEX_SHIFT)-1)             # <<<<<<<<<<<<<<
@@ -21729,7 +21956,7 @@ static char *__pyx_f_3_sa_8Alphabet_tocat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":42
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":42
  *         return self.nonterminals.word((-sym >> INDEX_SHIFT)-1)
  * 
  *     cdef int fromcat(self, char *s):             # <<<<<<<<<<<<<<
@@ -21744,7 +21971,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("fromcat", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":44
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":44
  *     cdef int fromcat(self, char *s):
  *         cdef int i
  *         i = self.nonterminals.index(s)             # <<<<<<<<<<<<<<
@@ -21753,7 +21980,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
  */
   __pyx_v_i = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->nonterminals->__pyx_vtab)->index(__pyx_v_self->nonterminals, __pyx_v_s);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":45
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":45
  *         cdef int i
  *         i = self.nonterminals.index(s)
  *         if self.first_nonterminal == -1:             # <<<<<<<<<<<<<<
@@ -21763,7 +21990,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   __pyx_t_1 = (__pyx_v_self->first_nonterminal == -1);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":46
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":46
  *         i = self.nonterminals.index(s)
  *         if self.first_nonterminal == -1:
  *             self.first_nonterminal = i             # <<<<<<<<<<<<<<
@@ -21775,7 +22002,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":47
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":47
  *         if self.first_nonterminal == -1:
  *             self.first_nonterminal = i
  *         if i > self.last_nonterminal:             # <<<<<<<<<<<<<<
@@ -21785,7 +22012,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   __pyx_t_1 = (__pyx_v_i > __pyx_v_self->last_nonterminal);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":48
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":48
  *             self.first_nonterminal = i
  *         if i > self.last_nonterminal:
  *             self.last_nonterminal = i             # <<<<<<<<<<<<<<
@@ -21797,7 +22024,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":49
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":49
  *         if i > self.last_nonterminal:
  *             self.last_nonterminal = i
  *         return -(i+1 << INDEX_SHIFT)             # <<<<<<<<<<<<<<
@@ -21813,7 +22040,7 @@ static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":51
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":51
  *         return -(i+1 << INDEX_SHIFT)
  * 
  *     cdef char* tostring(self, int sym):             # <<<<<<<<<<<<<<
@@ -21836,7 +22063,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("tostring", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":53
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":53
  *     cdef char* tostring(self, int sym):
  *         cdef int ind
  *         if self.isvar(sym):             # <<<<<<<<<<<<<<
@@ -21846,7 +22073,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
   __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->isvar(__pyx_v_self, __pyx_v_sym);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":54
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":54
  *         cdef int ind
  *         if self.isvar(sym):
  *             if sym in self.id2sym:             # <<<<<<<<<<<<<<
@@ -21856,19 +22083,24 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
     __pyx_t_2 = PyInt_FromLong(__pyx_v_sym); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
-      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
-    __pyx_t_3 = ((PyDict_Contains(((PyObject *)__pyx_v_self->id2sym), __pyx_t_2))); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = (__Pyx_PyDict_Contains(__pyx_t_2, ((PyObject *)__pyx_v_self->id2sym), Py_EQ)); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":55
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":55
  *         if self.isvar(sym):
  *             if sym in self.id2sym:
  *                 return self.id2sym[sym]             # <<<<<<<<<<<<<<
  *             ind = self.getindex(sym)
  *             if ind > 0:
  */
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
       __pyx_t_2 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __pyx_t_4 = PyBytes_AsString(__pyx_t_2); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -21879,7 +22111,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
     }
     __pyx_L4:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":56
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":56
  *             if sym in self.id2sym:
  *                 return self.id2sym[sym]
  *             ind = self.getindex(sym)             # <<<<<<<<<<<<<<
@@ -21888,7 +22120,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
  */
     __pyx_v_ind = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->getindex(__pyx_v_self, __pyx_v_sym);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":57
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":57
  *                 return self.id2sym[sym]
  *             ind = self.getindex(sym)
  *             if ind > 0:             # <<<<<<<<<<<<<<
@@ -21898,7 +22130,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
     __pyx_t_3 = (__pyx_v_ind > 0);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":58
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":58
  *             ind = self.getindex(sym)
  *             if ind > 0:
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)             # <<<<<<<<<<<<<<
@@ -21920,13 +22152,17 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
       __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_64), ((PyObject *)__pyx_t_6)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_5));
       __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
       if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_5), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":60
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":60
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
  *             else:
  *                 self.id2sym[sym] = "[%s]" % self.tocat(sym)             # <<<<<<<<<<<<<<
@@ -21938,18 +22174,26 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
       __pyx_t_6 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_65), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_6));
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
       if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_6), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":61
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":61
  *             else:
  *                 self.id2sym[sym] = "[%s]" % self.tocat(sym)
  *             return self.id2sym[sym]             # <<<<<<<<<<<<<<
  *         else:
  *             return self.terminals.word(sym)
  */
+    if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
     __pyx_t_6 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, sizeof(int), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __pyx_t_4 = PyBytes_AsString(__pyx_t_6); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -21960,7 +22204,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":63
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":63
  *             return self.id2sym[sym]
  *         else:
  *             return self.terminals.word(sym)             # <<<<<<<<<<<<<<
@@ -21985,7 +22229,7 @@ static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__p
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":65
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":65
  *             return self.terminals.word(sym)
  * 
  *     cdef int fromstring(self, char *s, bint terminal):             # <<<<<<<<<<<<<<
@@ -22013,7 +22257,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("fromstring", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":69
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":69
  *         cdef char *comma
  *         cdef int n
  *         n = strlen(s)             # <<<<<<<<<<<<<<
@@ -22022,7 +22266,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
   __pyx_v_n = strlen(__pyx_v_s);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":71
  *         n = strlen(s)
  *         cdef char *sep
  *         sep = strstr(s,"_SEP_")             # <<<<<<<<<<<<<<
@@ -22031,7 +22275,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
   __pyx_v_sep = strstr(__pyx_v_s, __pyx_k___SEP_);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":72
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":72
  *         cdef char *sep
  *         sep = strstr(s,"_SEP_")
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:             # <<<<<<<<<<<<<<
@@ -22059,7 +22303,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
   }
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":73
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":73
  *         sep = strstr(s,"_SEP_")
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:
  *             if terminal:             # <<<<<<<<<<<<<<
@@ -22068,7 +22312,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
     if (__pyx_v_terminal) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":74
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":74
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:
  *             if terminal:
  *                 s1 = "\\"+s             # <<<<<<<<<<<<<<
@@ -22083,7 +22327,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
       __pyx_v_s1 = __pyx_t_7;
       __pyx_t_7 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":75
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":75
  *             if terminal:
  *                 s1 = "\\"+s
  *                 return self.terminals.index(s1)             # <<<<<<<<<<<<<<
@@ -22097,7 +22341,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
     }
     __pyx_L4:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":76
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":76
  *                 s1 = "\\"+s
  *                 return self.terminals.index(s1)
  *             s[n-1] = c'\0'             # <<<<<<<<<<<<<<
@@ -22106,7 +22350,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
     (__pyx_v_s[(__pyx_v_n - 1)]) = '\x00';
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":77
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":77
  *                 return self.terminals.index(s1)
  *             s[n-1] = c'\0'
  *             s = s + 1             # <<<<<<<<<<<<<<
@@ -22115,7 +22359,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
     __pyx_v_s = (__pyx_v_s + 1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":78
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":78
  *             s[n-1] = c'\0'
  *             s = s + 1
  *             comma = strrchr(s, c',')             # <<<<<<<<<<<<<<
@@ -22124,7 +22368,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
     __pyx_v_comma = strrchr(__pyx_v_s, ',');
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":79
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":79
  *             s = s + 1
  *             comma = strrchr(s, c',')
  *             if comma != NULL:             # <<<<<<<<<<<<<<
@@ -22134,7 +22378,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
     __pyx_t_2 = (__pyx_v_comma != NULL);
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":80
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":80
  *             comma = strrchr(s, c',')
  *             if comma != NULL:
  *                 comma[0] = c'\0'             # <<<<<<<<<<<<<<
@@ -22143,7 +22387,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
  */
       (__pyx_v_comma[0]) = '\x00';
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":81
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":81
  *             if comma != NULL:
  *                 comma[0] = c'\0'
  *                 return self.setindex(self.fromcat(s), strtol(comma+1, NULL, 10))             # <<<<<<<<<<<<<<
@@ -22156,7 +22400,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":83
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":83
  *                 return self.setindex(self.fromcat(s), strtol(comma+1, NULL, 10))
  *             else:
  *                 return self.fromcat(s)             # <<<<<<<<<<<<<<
@@ -22171,7 +22415,7 @@ static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__p
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":85
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":85
  *                 return self.fromcat(s)
  *         else:
  *             return self.terminals.index(s)             # <<<<<<<<<<<<<<
@@ -22207,7 +22451,7 @@ static PyObject *__pyx_pw_3_sa_8Alphabet_9terminals_1__get__(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":8
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":8
  * 
  * cdef class Alphabet:
  *     cdef readonly StringMap terminals, nonterminals             # <<<<<<<<<<<<<<
@@ -22258,7 +22502,7 @@ static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":89
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":89
  * cdef Alphabet ALPHABET = Alphabet()
  * 
  * cdef char* sym_tostring(int sym):             # <<<<<<<<<<<<<<
@@ -22271,7 +22515,7 @@ static char *__pyx_f_3_sa_sym_tostring(int __pyx_v_sym) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_tostring", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":90
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":90
  * 
  * cdef char* sym_tostring(int sym):
  *     return ALPHABET.tostring(sym)             # <<<<<<<<<<<<<<
@@ -22287,7 +22531,7 @@ static char *__pyx_f_3_sa_sym_tostring(int __pyx_v_sym) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":92
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":92
  *     return ALPHABET.tostring(sym)
  * 
  * cdef char* sym_tocat(int sym):             # <<<<<<<<<<<<<<
@@ -22300,7 +22544,7 @@ static char *__pyx_f_3_sa_sym_tocat(int __pyx_v_sym) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_tocat", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":93
  * 
  * cdef char* sym_tocat(int sym):
  *     return ALPHABET.tocat(sym)             # <<<<<<<<<<<<<<
@@ -22316,7 +22560,7 @@ static char *__pyx_f_3_sa_sym_tocat(int __pyx_v_sym) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":95
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":95
  *     return ALPHABET.tocat(sym)
  * 
  * cdef int sym_isvar(int sym):             # <<<<<<<<<<<<<<
@@ -22329,7 +22573,7 @@ static int __pyx_f_3_sa_sym_isvar(int __pyx_v_sym) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_isvar", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":96
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":96
  * 
  * cdef int sym_isvar(int sym):
  *     return ALPHABET.isvar(sym)             # <<<<<<<<<<<<<<
@@ -22345,7 +22589,7 @@ static int __pyx_f_3_sa_sym_isvar(int __pyx_v_sym) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":98
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":98
  *     return ALPHABET.isvar(sym)
  * 
  * cdef int sym_getindex(int sym):             # <<<<<<<<<<<<<<
@@ -22358,7 +22602,7 @@ static int __pyx_f_3_sa_sym_getindex(int __pyx_v_sym) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_getindex", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":99
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":99
  * 
  * cdef int sym_getindex(int sym):
  *     return ALPHABET.getindex(sym)             # <<<<<<<<<<<<<<
@@ -22374,7 +22618,7 @@ static int __pyx_f_3_sa_sym_getindex(int __pyx_v_sym) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":101
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":101
  *     return ALPHABET.getindex(sym)
  * 
  * cdef int sym_setindex(int sym, int id):             # <<<<<<<<<<<<<<
@@ -22387,7 +22631,7 @@ static int __pyx_f_3_sa_sym_setindex(int __pyx_v_sym, int __pyx_v_id) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_setindex", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":102
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":102
  * 
  * cdef int sym_setindex(int sym, int id):
  *     return ALPHABET.setindex(sym, id)             # <<<<<<<<<<<<<<
@@ -22409,12 +22653,11 @@ static PyMethodDef __pyx_mdef_3_sa_3sym_fromstring = {__Pyx_NAMESTR("sym_fromstr
 static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   char *__pyx_v_string;
   int __pyx_v_terminal;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__string,&__pyx_n_s__terminal,0};
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sym_fromstring (wrapper)", 0);
-  __pyx_self = __pyx_self;
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__string,&__pyx_n_s__terminal,0};
     PyObject* values[2] = {0,0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -22428,12 +22671,10 @@ static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *_
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__string);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__string)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__terminal);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__terminal)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("sym_fromstring", 1, 2, 2, 1); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
@@ -22463,7 +22704,7 @@ static PyObject *__pyx_pw_3_sa_3sym_fromstring(PyObject *__pyx_self, PyObject *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":104
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
  * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
@@ -22479,7 +22720,7 @@ static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_sel
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("sym_fromstring", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":105
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":105
  * 
  * def sym_fromstring(char* string, bint terminal):
  *     return ALPHABET.fromstring(string, terminal)             # <<<<<<<<<<<<<<
@@ -22507,11 +22748,11 @@ static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_sel
 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;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__words,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__words,0};
     PyObject* values[1] = {0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -22524,8 +22765,7 @@ static int __pyx_pw_3_sa_6Phrase_1__cinit__(PyObject *__pyx_v_self, PyObject *__
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__words);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__words)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
@@ -22551,7 +22791,7 @@ static int __pyx_pw_3_sa_6Phrase_1__cinit__(PyObject *__pyx_v_self, PyObject *__
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":6
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":6
  * cdef class Phrase:
  * 
  *     def __cinit__(self, words):             # <<<<<<<<<<<<<<
@@ -22575,7 +22815,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":8
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":8
  *     def __cinit__(self, words):
  *         cdef int i, j, n, n_vars
  *         n_vars = 0             # <<<<<<<<<<<<<<
@@ -22584,7 +22824,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_n_vars = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":9
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":9
  *         cdef int i, j, n, n_vars
  *         n_vars = 0
  *         n = len(words)             # <<<<<<<<<<<<<<
@@ -22594,7 +22834,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_1 = PyObject_Length(__pyx_v_words); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_n = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":10
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":10
  *         n_vars = 0
  *         n = len(words)
  *         self.syms = <int *>malloc(n*sizeof(int))             # <<<<<<<<<<<<<<
@@ -22603,7 +22843,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_self->syms = ((int *)malloc((__pyx_v_n * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":11
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":11
  *         n = len(words)
  *         self.syms = <int *>malloc(n*sizeof(int))
  *         for i from 0 <= i < n:             # <<<<<<<<<<<<<<
@@ -22613,7 +22853,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_2 = __pyx_v_n;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":12
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":12
  *         self.syms = <int *>malloc(n*sizeof(int))
  *         for i from 0 <= i < n:
  *             self.syms[i] = words[i]             # <<<<<<<<<<<<<<
@@ -22626,7 +22866,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     (__pyx_v_self->syms[__pyx_v_i]) = __pyx_t_4;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":13
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":13
  *         for i from 0 <= i < n:
  *             self.syms[i] = words[i]
  *             if sym_isvar(self.syms[i]):             # <<<<<<<<<<<<<<
@@ -22636,7 +22876,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_self->syms[__pyx_v_i]));
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":14
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":14
  *             self.syms[i] = words[i]
  *             if sym_isvar(self.syms[i]):
  *                 n_vars += 1             # <<<<<<<<<<<<<<
@@ -22649,7 +22889,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_L5:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":15
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":15
  *             if sym_isvar(self.syms[i]):
  *                 n_vars += 1
  *         self.n = n             # <<<<<<<<<<<<<<
@@ -22658,7 +22898,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_self->n = __pyx_v_n;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":16
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":16
  *                 n_vars += 1
  *         self.n = n
  *         self.n_vars = n_vars             # <<<<<<<<<<<<<<
@@ -22667,7 +22907,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_self->n_vars = __pyx_v_n_vars;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":17
  *         self.n = n
  *         self.n_vars = n_vars
  *         self.varpos = <int *>malloc(n_vars*sizeof(int))             # <<<<<<<<<<<<<<
@@ -22676,7 +22916,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_self->varpos = ((int *)malloc((__pyx_v_n_vars * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":18
  *         self.n_vars = n_vars
  *         self.varpos = <int *>malloc(n_vars*sizeof(int))
  *         j = 0             # <<<<<<<<<<<<<<
@@ -22685,7 +22925,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
   __pyx_v_j = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":19
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":19
  *         self.varpos = <int *>malloc(n_vars*sizeof(int))
  *         j = 0
  *         for i from 0 <= i < n:             # <<<<<<<<<<<<<<
@@ -22695,7 +22935,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_2 = __pyx_v_n;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":20
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":20
  *         j = 0
  *         for i from 0 <= i < n:
  *             if sym_isvar(self.syms[i]):             # <<<<<<<<<<<<<<
@@ -22705,7 +22945,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_self->syms[__pyx_v_i]));
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":21
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":21
  *         for i from 0 <= i < n:
  *             if sym_isvar(self.syms[i]):
  *                 self.varpos[j] = i             # <<<<<<<<<<<<<<
@@ -22714,7 +22954,7 @@ static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v
  */
       (__pyx_v_self->varpos[__pyx_v_j]) = __pyx_v_i;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":22
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":22
  *             if sym_isvar(self.syms[i]):
  *                 self.varpos[j] = i
  *                 j = j + 1             # <<<<<<<<<<<<<<
@@ -22747,7 +22987,7 @@ static void __pyx_pw_3_sa_6Phrase_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":24
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":24
  *                 j = j + 1
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -22759,7 +22999,7 @@ static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__p
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":25
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":25
  * 
  *     def __dealloc__(self):
  *         free(self.syms)             # <<<<<<<<<<<<<<
@@ -22768,7 +23008,7 @@ static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__p
  */
   free(__pyx_v_self->syms);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":26
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":26
  *     def __dealloc__(self):
  *         free(self.syms)
  *         free(self.varpos)             # <<<<<<<<<<<<<<
@@ -22791,7 +23031,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_5__str__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":28
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":28
  *         free(self.varpos)
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -22815,7 +23055,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__str__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":29
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":29
  * 
  *     def __str__(self):
  *         strs = []             # <<<<<<<<<<<<<<
@@ -22827,7 +23067,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__
   __pyx_v_strs = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":31
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":31
  *         strs = []
  *         cdef int i, s
  *         for i from 0 <= i < self.n:             # <<<<<<<<<<<<<<
@@ -22837,7 +23077,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__
   __pyx_t_2 = __pyx_v_self->n;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":32
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":32
  *         cdef int i, s
  *         for i from 0 <= i < self.n:
  *             s = self.syms[i]             # <<<<<<<<<<<<<<
@@ -22846,7 +23086,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__
  */
     __pyx_v_s = (__pyx_v_self->syms[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":33
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":33
  *         for i from 0 <= i < self.n:
  *             s = self.syms[i]
  *             strs.append(sym_tostring(s))             # <<<<<<<<<<<<<<
@@ -22859,7 +23099,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__
     __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":34
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":34
  *             s = self.syms[i]
  *             strs.append(sym_tostring(s))
  *         return ' '.join(strs)             # <<<<<<<<<<<<<<
@@ -22909,7 +23149,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_7handle(PyObject *__pyx_v_self, CYTHON_UN
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":36
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":36
  *         return ' '.join(strs)
  * 
  *     def handle(self):             # <<<<<<<<<<<<<<
@@ -22933,7 +23173,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("handle", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":39
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":39
  *         """return a hashable representation that normalizes the ordering
  *         of the nonterminal indices"""
  *         norm = []             # <<<<<<<<<<<<<<
@@ -22945,7 +23185,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
   __pyx_v_norm = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":41
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":41
  *         norm = []
  *         cdef int i, j, s
  *         i = 1             # <<<<<<<<<<<<<<
@@ -22954,7 +23194,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
  */
   __pyx_v_i = 1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":42
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":42
  *         cdef int i, j, s
  *         i = 1
  *         j = 0             # <<<<<<<<<<<<<<
@@ -22963,7 +23203,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
  */
   __pyx_v_j = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":43
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":43
  *         i = 1
  *         j = 0
  *         for j from 0 <= j < self.n:             # <<<<<<<<<<<<<<
@@ -22973,7 +23213,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
   __pyx_t_2 = __pyx_v_self->n;
   for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_2; __pyx_v_j++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":44
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":44
  *         j = 0
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]             # <<<<<<<<<<<<<<
@@ -22982,7 +23222,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
  */
     __pyx_v_s = (__pyx_v_self->syms[__pyx_v_j]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":45
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":45
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]
  *             if sym_isvar(s):             # <<<<<<<<<<<<<<
@@ -22992,7 +23232,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
     __pyx_t_3 = __pyx_f_3_sa_sym_isvar(__pyx_v_s);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":46
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":46
  *             s = self.syms[j]
  *             if sym_isvar(s):
  *                 s = sym_setindex(s,i)             # <<<<<<<<<<<<<<
@@ -23001,7 +23241,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
  */
       __pyx_v_s = __pyx_f_3_sa_sym_setindex(__pyx_v_s, __pyx_v_i);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":47
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":47
  *             if sym_isvar(s):
  *                 s = sym_setindex(s,i)
  *                 i = i + 1             # <<<<<<<<<<<<<<
@@ -23013,7 +23253,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":48
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":48
  *                 s = sym_setindex(s,i)
  *                 i = i + 1
  *             norm.append(s)             # <<<<<<<<<<<<<<
@@ -23026,7 +23266,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__p
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":49
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":49
  *                 i = i + 1
  *             norm.append(s)
  *         return tuple(norm)             # <<<<<<<<<<<<<<
@@ -23064,7 +23304,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_9strhandle(PyObject *__pyx_v_self, CYTHON
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":51
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":51
  *         return tuple(norm)
  * 
  *     def strhandle(self):             # <<<<<<<<<<<<<<
@@ -23091,7 +23331,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
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   __Pyx_RefNannySetupContext("strhandle", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":52
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":52
  * 
  *     def strhandle(self):
  *         strs = []             # <<<<<<<<<<<<<<
@@ -23103,7 +23343,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
   __pyx_v_strs = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":53
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":53
  *     def strhandle(self):
  *         strs = []
  *         norm = []             # <<<<<<<<<<<<<<
@@ -23115,7 +23355,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
   __pyx_v_norm = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":55
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":55
  *         norm = []
  *         cdef int i, j, s
  *         i = 1             # <<<<<<<<<<<<<<
@@ -23124,7 +23364,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
  */
   __pyx_v_i = 1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":56
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":56
  *         cdef int i, j, s
  *         i = 1
  *         j = 0             # <<<<<<<<<<<<<<
@@ -23133,7 +23373,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
  */
   __pyx_v_j = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":57
  *         i = 1
  *         j = 0
  *         for j from 0 <= j < self.n:             # <<<<<<<<<<<<<<
@@ -23143,7 +23383,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
   __pyx_t_2 = __pyx_v_self->n;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":58
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":58
  *         j = 0
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]             # <<<<<<<<<<<<<<
@@ -23152,7 +23392,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
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     __pyx_v_s = (__pyx_v_self->syms[__pyx_v_j]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":59
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":59
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]
  *             if sym_isvar(s):             # <<<<<<<<<<<<<<
@@ -23162,7 +23402,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
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     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":60
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":60
  *             s = self.syms[j]
  *             if sym_isvar(s):
  *                 s = sym_setindex(s,i)             # <<<<<<<<<<<<<<
@@ -23171,7 +23411,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
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       __pyx_v_s = __pyx_f_3_sa_sym_setindex(__pyx_v_s, __pyx_v_i);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":61
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":61
  *             if sym_isvar(s):
  *                 s = sym_setindex(s,i)
  *                 i = i + 1             # <<<<<<<<<<<<<<
@@ -23183,7 +23423,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":62
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":62
  *                 s = sym_setindex(s,i)
  *                 i = i + 1
  *             norm.append(sym_tostring(s))             # <<<<<<<<<<<<<<
@@ -23196,7 +23436,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *
     __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":63
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":63
  *                 i = i + 1
  *             norm.append(sym_tostring(s))
  *         return ' '.join(norm)             # <<<<<<<<<<<<<<
@@ -23246,7 +23486,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_11arity(PyObject *__pyx_v_self, CYTHON_UN
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":65
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":65
  *         return ' '.join(norm)
  * 
  *     def arity(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":66
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  *     def arity(self):
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":68
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":68
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  *     def getvarpos(self, i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":69
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   __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 69; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":70
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":70
  *     def getvarpos(self, i):
  *         if 0 <= i < self.n_vars:
  *             return self.varpos[i]             # <<<<<<<<<<<<<<
@@ -23359,7 +23597,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_12getvarpos(struct __pyx_obj_3_sa_Phrase
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":72
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":72
  *             return self.varpos[i]
  *         else:
  *             raise IndexError             # <<<<<<<<<<<<<<
@@ -23395,7 +23633,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_15getvar(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":74
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":74
  *             raise IndexError
  * 
  *     def getvar(self, i):             # <<<<<<<<<<<<<<
@@ -23415,28 +23653,26 @@ static PyObject *__pyx_pf_3_sa_6Phrase_14getvar(struct __pyx_obj_3_sa_Phrase *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("getvar", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":75
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":75
  * 
  *     def getvar(self, i):
  *         if 0 <= i < self.n_vars:             # <<<<<<<<<<<<<<
  *             return self.syms[self.varpos[i]]
  *         else:
  */
-  __pyx_t_1 = PyObject_RichCompare(__pyx_int_0, __pyx_v_i, Py_LE); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_1 = PyObject_RichCompare(__pyx_int_0, __pyx_v_i, Py_LE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __pyx_t_2 = PyInt_FromLong(__pyx_v_self->n_vars); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_1 = PyObject_RichCompare(__pyx_v_i, __pyx_t_2, Py_LT); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_i, __pyx_t_2, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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   __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":76
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":76
  *     def getvar(self, i):
  *         if 0 <= i < self.n_vars:
  *             return self.syms[self.varpos[i]]             # <<<<<<<<<<<<<<
@@ -23454,7 +23690,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_14getvar(struct __pyx_obj_3_sa_Phrase *__
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":78
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":78
  *             return self.syms[self.varpos[i]]
  *         else:
  *             raise IndexError             # <<<<<<<<<<<<<<
@@ -23479,7 +23715,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_14getvar(struct __pyx_obj_3_sa_Phrase *__
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":80
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":80
  *             raise IndexError
  * 
  *     cdef int chunkpos(self, int k):             # <<<<<<<<<<<<<<
@@ -23493,7 +23729,7 @@ int __pyx_f_3_sa_6Phrase_chunkpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("chunkpos", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":81
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":81
  * 
  *     cdef int chunkpos(self, int k):
  *         if k == 0:             # <<<<<<<<<<<<<<
@@ -23503,7 +23739,7 @@ int __pyx_f_3_sa_6Phrase_chunkpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   __pyx_t_1 = (__pyx_v_k == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":82
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":82
  *     cdef int chunkpos(self, int k):
  *         if k == 0:
  *             return 0             # <<<<<<<<<<<<<<
@@ -23516,7 +23752,7 @@ int __pyx_f_3_sa_6Phrase_chunkpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":84
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":84
  *             return 0
  *         else:
  *             return self.varpos[k-1]+1             # <<<<<<<<<<<<<<
@@ -23534,7 +23770,7 @@ int __pyx_f_3_sa_6Phrase_chunkpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":86
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":86
  *             return self.varpos[k-1]+1
  * 
  *     cdef int chunklen(self, int k):             # <<<<<<<<<<<<<<
@@ -23548,7 +23784,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("chunklen", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":87
  * 
  *     cdef int chunklen(self, int k):
  *         if self.n_vars == 0:             # <<<<<<<<<<<<<<
@@ -23558,7 +23794,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   __pyx_t_1 = (__pyx_v_self->n_vars == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":88
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":88
  *     cdef int chunklen(self, int k):
  *         if self.n_vars == 0:
  *             return self.n             # <<<<<<<<<<<<<<
@@ -23570,7 +23806,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":89
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":89
  *         if self.n_vars == 0:
  *             return self.n
  *         elif k == 0:             # <<<<<<<<<<<<<<
@@ -23580,7 +23816,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   __pyx_t_1 = (__pyx_v_k == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":90
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":90
  *             return self.n
  *         elif k == 0:
  *             return self.varpos[0]             # <<<<<<<<<<<<<<
@@ -23592,7 +23828,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":91
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":91
  *         elif k == 0:
  *             return self.varpos[0]
  *         elif k == self.n_vars:             # <<<<<<<<<<<<<<
@@ -23602,7 +23838,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   __pyx_t_1 = (__pyx_v_k == __pyx_v_self->n_vars);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":92
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":92
  *             return self.varpos[0]
  *         elif k == self.n_vars:
  *             return self.n-self.varpos[k-1]-1             # <<<<<<<<<<<<<<
@@ -23615,7 +23851,7 @@ int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, in
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":94
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":94
  *             return self.n-self.varpos[k-1]-1
  *         else:
  *             return self.varpos[k]-self.varpos[k-1]-1             # <<<<<<<<<<<<<<
@@ -23644,7 +23880,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_17clen(PyObject *__pyx_v_self, PyObject *
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":96
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":96
  *             return self.varpos[k]-self.varpos[k-1]-1
  * 
  *     def clen(self, k):             # <<<<<<<<<<<<<<
@@ -23662,7 +23898,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_16clen(struct __pyx_obj_3_sa_Phrase *__py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("clen", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":97
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":97
  * 
  *     def clen(self, k):
  *          return self.chunklen(k)             # <<<<<<<<<<<<<<
@@ -23700,7 +23936,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_19getchunk(PyObject *__pyx_v_self, PyObje
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":99
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":99
  *          return self.chunklen(k)
  * 
  *     def getchunk(self, ci):             # <<<<<<<<<<<<<<
@@ -23723,7 +23959,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("getchunk", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":101
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":101
  *     def getchunk(self, ci):
  *         cdef int start, stop
  *         start = self.chunkpos(ci)             # <<<<<<<<<<<<<<
@@ -23733,7 +23969,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
   __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_ci); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_start = ((struct __pyx_vtabstruct_3_sa_Phrase *)__pyx_v_self->__pyx_vtab)->chunkpos(__pyx_v_self, __pyx_t_1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":102
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":102
  *         cdef int start, stop
  *         start = self.chunkpos(ci)
  *         stop = start+self.chunklen(ci)             # <<<<<<<<<<<<<<
@@ -23743,7 +23979,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
   __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_ci); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_stop = (__pyx_v_start + ((struct __pyx_vtabstruct_3_sa_Phrase *)__pyx_v_self->__pyx_vtab)->chunklen(__pyx_v_self, __pyx_t_1));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":103
  *         start = self.chunkpos(ci)
  *         stop = start+self.chunklen(ci)
  *         chunk = []             # <<<<<<<<<<<<<<
@@ -23755,7 +23991,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
   __pyx_v_chunk = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":104
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":104
  *         stop = start+self.chunklen(ci)
  *         chunk = []
  *         for i from start <= i < stop:             # <<<<<<<<<<<<<<
@@ -23765,7 +24001,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
   __pyx_t_1 = __pyx_v_stop;
   for (__pyx_v_i = __pyx_v_start; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":105
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":105
  *         chunk = []
  *         for i from start <= i < stop:
  *             chunk.append(self.syms[i])             # <<<<<<<<<<<<<<
@@ -23778,7 +24014,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":106
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":106
  *         for i from start <= i < stop:
  *             chunk.append(self.syms[i])
  *         return chunk             # <<<<<<<<<<<<<<
@@ -23816,7 +24052,7 @@ static int __pyx_pw_3_sa_6Phrase_21__cmp__(PyObject *__pyx_v_self, PyObject *__p
 }
 #endif /*!(#if PY_MAJOR_VERSION < 3)*/
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":108
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":108
  *         return chunk
  * 
  *     def __cmp__(self, other):             # <<<<<<<<<<<<<<
@@ -23839,7 +24075,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cmp__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":111
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":111
  *         cdef Phrase otherp
  *         cdef int i
  *         otherp = other             # <<<<<<<<<<<<<<
@@ -23850,7 +24086,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __Pyx_INCREF(__pyx_v_other);
   __pyx_v_otherp = ((struct __pyx_obj_3_sa_Phrase *)__pyx_v_other);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":112
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":112
  *         cdef int i
  *         otherp = other
  *         for i from 0 <= i < min(self.n, otherp.n):             # <<<<<<<<<<<<<<
@@ -23867,7 +24103,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_1 = __pyx_t_3;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":113
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":113
  *         otherp = other
  *         for i from 0 <= i < min(self.n, otherp.n):
  *             if self.syms[i] < otherp.syms[i]:             # <<<<<<<<<<<<<<
@@ -23877,7 +24113,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_t_4 = ((__pyx_v_self->syms[__pyx_v_i]) < (__pyx_v_otherp->syms[__pyx_v_i]));
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":114
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":114
  *         for i from 0 <= i < min(self.n, otherp.n):
  *             if self.syms[i] < otherp.syms[i]:
  *                 return -1             # <<<<<<<<<<<<<<
@@ -23889,7 +24125,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
       goto __pyx_L5;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":115
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":115
  *             if self.syms[i] < otherp.syms[i]:
  *                 return -1
  *             elif self.syms[i] > otherp.syms[i]:             # <<<<<<<<<<<<<<
@@ -23899,7 +24135,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_t_4 = ((__pyx_v_self->syms[__pyx_v_i]) > (__pyx_v_otherp->syms[__pyx_v_i]));
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":116
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":116
  *                 return -1
  *             elif self.syms[i] > otherp.syms[i]:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -23913,7 +24149,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     __pyx_L5:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":117
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":117
  *             elif self.syms[i] > otherp.syms[i]:
  *                 return 1
  *         if self.n < otherp.n:             # <<<<<<<<<<<<<<
@@ -23923,7 +24159,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_4 = (__pyx_v_self->n < __pyx_v_otherp->n);
   if (__pyx_t_4) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":118
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":118
  *                 return 1
  *         if self.n < otherp.n:
  *             return -1             # <<<<<<<<<<<<<<
@@ -23935,7 +24171,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
     goto __pyx_L6;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":119
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":119
  *         if self.n < otherp.n:
  *             return -1
  *         elif self.n > otherp.n:             # <<<<<<<<<<<<<<
@@ -23945,7 +24181,7 @@ static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v
   __pyx_t_4 = (__pyx_v_self->n > __pyx_v_otherp->n);
   if (__pyx_t_4) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":120
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":120
  *             return -1
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   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":122
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":122
  *             return 1
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  *             return 0             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":124
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":124
  *             return 0
  * 
  *     def __hash__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":127
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  *         cdef int i
  *         cdef unsigned h
  *         h = 0             # <<<<<<<<<<<<<<
@@ -24019,7 +24255,7 @@ static Py_hash_t __pyx_pf_3_sa_6Phrase_22__hash__(struct __pyx_obj_3_sa_Phrase *
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   __pyx_v_h = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":128
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":128
  *         cdef unsigned h
  *         h = 0
  *         for i from 0 <= i < self.n:             # <<<<<<<<<<<<<<
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":129
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":129
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@@ -24039,7 +24275,7 @@ static Py_hash_t __pyx_pf_3_sa_6Phrase_22__hash__(struct __pyx_obj_3_sa_Phrase *
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     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":130
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":130
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":132
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":132
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":133
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":133
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":135
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":135
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  * 
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":136
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  *     def __len__(self):
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":138
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":138
  *         return self.n
  * 
  *     def __getitem__(self, i):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":139
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":139
  * 
  *     def __getitem__(self, i):
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":141
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":141
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  *     def __iter__(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":143
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":143
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  *         cdef int i
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":144
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":144
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 static PyObject *__pyx_pw_3_sa_6Phrase_32subst(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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@@ -24316,12 +24553,10 @@ static PyObject *__pyx_pw_3_sa_6Phrase_32subst(PyObject *__pyx_v_self, PyObject
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         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__start);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__start)) != 0)) kw_args--;
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-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__children);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__children)) != 0)) kw_args--;
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@@ -24351,7 +24586,7 @@ static PyObject *__pyx_pw_3_sa_6Phrase_32subst(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":146
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":146
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  *     def subst(self, start, children):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":148
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":148
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":149
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":149
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     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":150
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":150
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@@ -24414,7 +24649,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_31subst(struct __pyx_obj_3_sa_Phrase *__p
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     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":152
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":152
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":153
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":153
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":156
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":156
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":157
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":157
  *     property words:
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-      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_2)) {
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-      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_5); __pyx_t_3++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else {
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@@ -24544,7 +24787,7 @@ static PyObject *__pyx_pf_3_sa_6Phrase_5words___get__(struct __pyx_obj_3_sa_Phra
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+      if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_5))) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__lhs,&__pyx_n_s__f,&__pyx_n_s__e,&__pyx_n_s__scores,&__pyx_n_s__word_alignments,0};
   int __pyx_r;
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   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
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     PyObject* values[5] = {0,0,0,0,0};
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":161
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":161
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       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__lhs);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__lhs)) != 0)) kw_args--;
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-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__f)) != 0)) kw_args--;
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-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e);
-        if (likely(values[2])) kw_args--;
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e)) != 0)) kw_args--;
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":162
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  *     def __cinit__(self, int lhs, Phrase f, Phrase e, scores=None, word_alignments=None):
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":163
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":163
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   __pyx_v_self->lhs = __pyx_v_lhs;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":164
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":164
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   __pyx_v_self->f = __pyx_v_f;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":165
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":165
  *         self.lhs = lhs
  *         self.f = f
  *         self.e = e             # <<<<<<<<<<<<<<
@@ -24750,7 +24990,7 @@ static int __pyx_pf_3_sa_4Rule___cinit__(struct __pyx_obj_3_sa_Rule *__pyx_v_sel
   __Pyx_DECREF(((PyObject *)__pyx_v_self->e));
   __pyx_v_self->e = __pyx_v_e;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":166
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":166
  *         self.f = f
  *         self.e = e
  *         self.word_alignments = word_alignments             # <<<<<<<<<<<<<<
@@ -24763,7 +25003,7 @@ static int __pyx_pf_3_sa_4Rule___cinit__(struct __pyx_obj_3_sa_Rule *__pyx_v_sel
   __Pyx_DECREF(__pyx_v_self->word_alignments);
   __pyx_v_self->word_alignments = __pyx_v_word_alignments;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":167
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":167
  *         self.e = e
  *         self.word_alignments = word_alignments
  *         self.scores = scores             # <<<<<<<<<<<<<<
@@ -24800,7 +25040,7 @@ static Py_hash_t __pyx_pw_3_sa_4Rule_3__hash__(PyObject *__pyx_v_self) {
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":169
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":169
  *         self.scores = scores
  * 
  *     def __hash__(self):             # <<<<<<<<<<<<<<
@@ -24819,7 +25059,7 @@ static Py_hash_t __pyx_pf_3_sa_4Rule_2__hash__(struct __pyx_obj_3_sa_Rule *__pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__hash__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":170
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":170
  * 
  *     def __hash__(self):
  *         return hash((self.lhs, self.f, self.e))             # <<<<<<<<<<<<<<
@@ -24875,7 +25115,7 @@ static int __pyx_pw_3_sa_4Rule_5__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_
 }
 #endif /*!(#if PY_MAJOR_VERSION < 3)*/
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":172
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":172
  *         return hash((self.lhs, self.f, self.e))
  * 
  *     def __cmp__(self, Rule other):             # <<<<<<<<<<<<<<
@@ -24896,7 +25136,7 @@ static int __pyx_pf_3_sa_4Rule_4__cmp__(struct __pyx_obj_3_sa_Rule *__pyx_v_self
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__cmp__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":173
  * 
  *     def __cmp__(self, Rule other):
  *         return cmp((self.lhs, self.f, self.e, self.word_alignments),             # <<<<<<<<<<<<<<
@@ -24920,7 +25160,7 @@ static int __pyx_pf_3_sa_4Rule_4__cmp__(struct __pyx_obj_3_sa_Rule *__pyx_v_self
   __Pyx_GIVEREF(__pyx_v_self->word_alignments);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":174
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":174
  *     def __cmp__(self, Rule other):
  *         return cmp((self.lhs, self.f, self.e, self.word_alignments),
  *                 (other.lhs, other.f, other.e, self.word_alignments))             # <<<<<<<<<<<<<<
@@ -24989,7 +25229,7 @@ static PyObject *__pyx_pw_3_sa_4Rule_7fmerge(PyObject *__pyx_v_self, PyObject *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":176
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":176
  *                 (other.lhs, other.f, other.e, self.word_alignments))
  * 
  *     def fmerge(self, Phrase f):             # <<<<<<<<<<<<<<
@@ -25007,20 +25247,19 @@ static PyObject *__pyx_pf_3_sa_4Rule_6fmerge(struct __pyx_obj_3_sa_Rule *__pyx_v
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("fmerge", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":177
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":177
  * 
  *     def fmerge(self, Phrase f):
  *         if self.f == f:             # <<<<<<<<<<<<<<
  *             self.f = f
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-  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_1 = PyObject_RichCompare(((PyObject *)__pyx_v_self->f), ((PyObject *)__pyx_v_f), Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":178
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":178
  *     def fmerge(self, Phrase f):
  *         if self.f == f:
  *             self.f = f             # <<<<<<<<<<<<<<
@@ -25059,7 +25298,7 @@ static PyObject *__pyx_pw_3_sa_4Rule_9arity(PyObject *__pyx_v_self, CYTHON_UNUSE
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":180
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":180
  *             self.f = f
  * 
  *     def arity(self):             # <<<<<<<<<<<<<<
@@ -25077,7 +25316,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_8arity(struct __pyx_obj_3_sa_Rule *__pyx_v_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("arity", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":181
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":181
  * 
  *     def arity(self):
  *         return self.f.arity()             # <<<<<<<<<<<<<<
@@ -25119,7 +25358,7 @@ static PyObject *__pyx_pw_3_sa_4Rule_11__str__(PyObject *__pyx_v_self) {
 }
 static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator7(__pyx_GeneratorObject *__pyx_generator, PyObject *__pyx_sent_value); /* proto */
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":187
+/* "/Users/vchahun/Sandbox/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()))             # <<<<<<<<<<<<<<
@@ -25200,10 +25439,18 @@ static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator7(__pyx_GeneratorObject
   for (;;) {
     if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_3 >= PyList_GET_SIZE(__pyx_t_1)) break;
-      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++;
+      #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[7]; __pyx_lineno = 187; __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[7]; __pyx_lineno = 187; __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;
-      __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_3); __Pyx_INCREF(__pyx_t_2); __pyx_t_3++;
+      #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[7]; __pyx_lineno = 187; __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[7]; __pyx_lineno = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else {
       __pyx_t_2 = __pyx_t_4(__pyx_t_1);
       if (unlikely(!__pyx_t_2)) {
@@ -25251,11 +25498,12 @@ static PyObject *__pyx_gb_3_sa_4Rule_7__str___2generator7(__pyx_GeneratorObject
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":183
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":183
  *         return self.f.arity()
  * 
  *     def __str__(self):             # <<<<<<<<<<<<<<
@@ -25289,7 +25537,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx
   __Pyx_INCREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
   __Pyx_GIVEREF((PyObject *)__pyx_cur_scope->__pyx_v_self);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":185
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":185
  *     def __str__(self):
  *         cdef unsigned i
  *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]             # <<<<<<<<<<<<<<
@@ -25339,7 +25587,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx
   __pyx_v_fields = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":186
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":186
  *         cdef unsigned i
  *         fields = [sym_tostring(self.lhs), str(self.f), str(self.e), str(self.scores)]
  *         if self.word_alignments is not None:             # <<<<<<<<<<<<<<
@@ -25349,7 +25597,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx
   __pyx_t_6 = (__pyx_cur_scope->__pyx_v_self->word_alignments != Py_None);
   if (__pyx_t_6) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":187
+    /* "/Users/vchahun/Sandbox/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()))             # <<<<<<<<<<<<<<
@@ -25375,7 +25623,7 @@ static PyObject *__pyx_pf_3_sa_4Rule_10__str__(struct __pyx_obj_3_sa_Rule *__pyx
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":188
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":188
  *         if self.word_alignments is not None:
  *             fields.append(' '.join('%d-%d' % a for a in self.alignments()))
  *         return ' ||| '.join(fields)             # <<<<<<<<<<<<<<
@@ -25428,7 +25676,7 @@ static PyObject *__pyx_pw_3_sa_4Rule_13alignments(PyObject *__pyx_v_self, CYTHON
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":190
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":190
  *         return ' ||| '.join(fields)
  * 
  *     def alignments(self):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":191
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":191
  * 
  *     def alignments(self):
  *         for point in self.word_alignments:             # <<<<<<<<<<<<<<
@@ -25511,10 +25759,18 @@ static PyObject *__pyx_gb_3_sa_4Rule_14generator3(__pyx_GeneratorObject *__pyx_g
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       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #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[7]; __pyx_lineno = 191; __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[7]; __pyx_lineno = 191; __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;
-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #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[7]; __pyx_lineno = 191; __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[7]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
@@ -25532,7 +25788,7 @@ static PyObject *__pyx_gb_3_sa_4Rule_14generator3(__pyx_GeneratorObject *__pyx_g
     __pyx_cur_scope->__pyx_v_point = __pyx_t_4;
     __pyx_t_4 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rule.pxi":192
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":192
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  *         for point in self.word_alignments:
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   __pyx_L0:;
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   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":21
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":21
  *     int arr_len
  * 
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":23
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":23
  * cdef _Trie_Node* new_trie_node():
  *     cdef _Trie_Node* node
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   __pyx_v_node = ((struct __pyx_t_3_sa__Trie_Node *)malloc((sizeof(struct __pyx_t_3_sa__Trie_Node))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":24
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":24
  *     cdef _Trie_Node* node
  *     node = <_Trie_Node*> malloc(sizeof(_Trie_Node))
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  */
   __pyx_v_node->root = NULL;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":25
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":25
  *     node = <_Trie_Node*> malloc(sizeof(_Trie_Node))
  *     node.root = NULL
  *     node.arr_len = 0             # <<<<<<<<<<<<<<
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  */
   __pyx_v_node->arr_len = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":26
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":26
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  *     node.arr_len = 0
  *     node.arr = <int*> malloc(sizeof(0*sizeof(int)))             # <<<<<<<<<<<<<<
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   __pyx_v_node->arr = ((int *)malloc((sizeof((0 * (sizeof(int)))))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":27
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":27
  *     node.arr_len = 0
  *     node.arr = <int*> malloc(sizeof(0*sizeof(int)))
  *     return node             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":29
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":29
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   __Pyx_RefNannySetupContext("new_trie_edge", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":31
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":31
  * cdef _Trie_Edge* new_trie_edge(int val):
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  */
   __pyx_v_edge = ((struct __pyx_t_3_sa__Trie_Edge *)malloc((sizeof(struct __pyx_t_3_sa__Trie_Edge))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":32
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":32
  *     cdef _Trie_Edge* edge
  *     edge = <_Trie_Edge*> malloc(sizeof(_Trie_Edge))
  *     edge.node = new_trie_node()             # <<<<<<<<<<<<<<
@@ -25744,7 +26001,7 @@ static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_va
  */
   __pyx_v_edge->node = __pyx_f_3_sa_new_trie_node();
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":33
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":33
  *     edge = <_Trie_Edge*> malloc(sizeof(_Trie_Edge))
  *     edge.node = new_trie_node()
  *     edge.bigger = NULL             # <<<<<<<<<<<<<<
@@ -25753,7 +26010,7 @@ static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_va
  */
   __pyx_v_edge->bigger = NULL;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":34
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":34
  *     edge.node = new_trie_node()
  *     edge.bigger = NULL
  *     edge.smaller = NULL             # <<<<<<<<<<<<<<
@@ -25762,7 +26019,7 @@ static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_va
  */
   __pyx_v_edge->smaller = NULL;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":35
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":35
  *     edge.bigger = NULL
  *     edge.smaller = NULL
  *     edge.val = val             # <<<<<<<<<<<<<<
@@ -25771,7 +26028,7 @@ static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_va
  */
   __pyx_v_edge->val = __pyx_v_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":36
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":36
  *     edge.smaller = NULL
  *     edge.val = val
  *     return edge             # <<<<<<<<<<<<<<
@@ -25787,7 +26044,7 @@ static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_va
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":38
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":38
  *     return edge
  * 
  * cdef free_trie_node(_Trie_Node* node):             # <<<<<<<<<<<<<<
@@ -25805,7 +26062,7 @@ static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("free_trie_node", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":39
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":39
  * 
  * cdef free_trie_node(_Trie_Node* node):
  *     if node != NULL:             # <<<<<<<<<<<<<<
@@ -25815,7 +26072,7 @@ static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *__p
   __pyx_t_1 = (__pyx_v_node != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":40
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":40
  * cdef free_trie_node(_Trie_Node* node):
  *     if node != NULL:
  *         free_trie_edge(node.root)             # <<<<<<<<<<<<<<
@@ -25826,7 +26083,7 @@ static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *__p
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":41
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":41
  *     if node != NULL:
  *         free_trie_edge(node.root)
  *         free(node.arr)             # <<<<<<<<<<<<<<
@@ -25850,7 +26107,7 @@ static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *__p
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":43
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":43
  *         free(node.arr)
  * 
  * cdef free_trie_edge(_Trie_Edge* edge):             # <<<<<<<<<<<<<<
@@ -25868,7 +26125,7 @@ static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *__p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("free_trie_edge", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":44
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":44
  * 
  * cdef free_trie_edge(_Trie_Edge* edge):
  *     if edge != NULL:             # <<<<<<<<<<<<<<
@@ -25878,7 +26135,7 @@ static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *__p
   __pyx_t_1 = (__pyx_v_edge != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":45
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":45
  * cdef free_trie_edge(_Trie_Edge* edge):
  *     if edge != NULL:
  *         free_trie_node(edge.node)             # <<<<<<<<<<<<<<
@@ -25889,7 +26146,7 @@ static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *__p
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":46
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":46
  *     if edge != NULL:
  *         free_trie_node(edge.node)
  *         free_trie_edge(edge.bigger)             # <<<<<<<<<<<<<<
@@ -25900,7 +26157,7 @@ static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *__p
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":47
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":47
  *         free_trie_node(edge.node)
  *         free_trie_edge(edge.bigger)
  *         free_trie_edge(edge.smaller)             # <<<<<<<<<<<<<<
@@ -25926,7 +26183,7 @@ static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *__p
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":49
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":49
  *         free_trie_edge(edge.smaller)
  * 
  * cdef _Trie_Node* trie_find(_Trie_Node* node, int val):             # <<<<<<<<<<<<<<
@@ -25943,7 +26200,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("trie_find", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":51
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":51
  * cdef _Trie_Node* trie_find(_Trie_Node* node, int val):
  *     cdef _Trie_Edge* cur
  *     cur = node.root             # <<<<<<<<<<<<<<
@@ -25952,7 +26209,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
  */
   __pyx_v_cur = __pyx_v_node->root;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":52
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":52
  *     cdef _Trie_Edge* cur
  *     cur = node.root
  *     while cur != NULL and cur.val != val:             # <<<<<<<<<<<<<<
@@ -25969,7 +26226,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":53
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":53
  *     cur = node.root
  *     while cur != NULL and cur.val != val:
  *         if val > cur.val:             # <<<<<<<<<<<<<<
@@ -25979,7 +26236,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
     __pyx_t_3 = (__pyx_v_val > __pyx_v_cur->val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":54
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":54
  *     while cur != NULL and cur.val != val:
  *         if val > cur.val:
  *             cur = cur.bigger             # <<<<<<<<<<<<<<
@@ -25990,7 +26247,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
       goto __pyx_L5;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":55
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":55
  *         if val > cur.val:
  *             cur = cur.bigger
  *         elif val < cur.val:             # <<<<<<<<<<<<<<
@@ -26000,7 +26257,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
     __pyx_t_3 = (__pyx_v_val < __pyx_v_cur->val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":56
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":56
  *             cur = cur.bigger
  *         elif val < cur.val:
  *             cur = cur.smaller             # <<<<<<<<<<<<<<
@@ -26013,7 +26270,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
     __pyx_L5:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":57
  *         elif val < cur.val:
  *             cur = cur.smaller
  *     if cur == NULL:             # <<<<<<<<<<<<<<
@@ -26023,7 +26280,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
   __pyx_t_3 = (__pyx_v_cur == NULL);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":58
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":58
  *             cur = cur.smaller
  *     if cur == NULL:
  *         return NULL             # <<<<<<<<<<<<<<
@@ -26036,7 +26293,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":60
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":60
  *         return NULL
  *     else:
  *         return cur.node             # <<<<<<<<<<<<<<
@@ -26054,7 +26311,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":62
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":62
  *         return cur.node
  * 
  * cdef trie_node_data_append(_Trie_Node* node, int val):             # <<<<<<<<<<<<<<
@@ -26068,7 +26325,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_No
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("trie_node_data_append", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":64
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":64
  * cdef trie_node_data_append(_Trie_Node* node, int val):
  *     cdef int new_len
  *     new_len = node.arr_len + 1             # <<<<<<<<<<<<<<
@@ -26077,7 +26334,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_No
  */
   __pyx_v_new_len = (__pyx_v_node->arr_len + 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":65
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":65
  *     cdef int new_len
  *     new_len = node.arr_len + 1
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -26086,7 +26343,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_No
  */
   __pyx_v_node->arr = ((int *)realloc(__pyx_v_node->arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":66
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":66
  *     new_len = node.arr_len + 1
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))
  *     node.arr[node.arr_len] = val             # <<<<<<<<<<<<<<
@@ -26095,7 +26352,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_No
  */
   (__pyx_v_node->arr[__pyx_v_node->arr_len]) = __pyx_v_val;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":67
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":67
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))
  *     node.arr[node.arr_len] = val
  *     node.arr_len = new_len             # <<<<<<<<<<<<<<
@@ -26110,7 +26367,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_No
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":69
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":69
  *     node.arr_len = new_len
  * 
  * cdef trie_node_data_extend(_Trie_Node* node, int* vals, int num_vals):             # <<<<<<<<<<<<<<
@@ -26124,7 +26381,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_No
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("trie_node_data_extend", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":71
  * cdef trie_node_data_extend(_Trie_Node* node, int* vals, int num_vals):
  *     cdef int new_len
  *     new_len = node.arr_len + num_vals             # <<<<<<<<<<<<<<
@@ -26133,7 +26390,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_No
  */
   __pyx_v_new_len = (__pyx_v_node->arr_len + __pyx_v_num_vals);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":72
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":72
  *     cdef int new_len
  *     new_len = node.arr_len + num_vals
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -26142,7 +26399,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_No
  */
   __pyx_v_node->arr = ((int *)realloc(__pyx_v_node->arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":73
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":73
  *     new_len = node.arr_len + num_vals
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))
  *     memcpy(node.arr + node.arr_len, vals, num_vals*sizeof(int))             # <<<<<<<<<<<<<<
@@ -26151,7 +26408,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_No
  */
   memcpy((__pyx_v_node->arr + __pyx_v_node->arr_len), __pyx_v_vals, (__pyx_v_num_vals * (sizeof(int))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":74
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":74
  *     node.arr = <int*> realloc(node.arr, new_len*sizeof(int))
  *     memcpy(node.arr + node.arr_len, vals, num_vals*sizeof(int))
  *     node.arr_len = new_len             # <<<<<<<<<<<<<<
@@ -26166,7 +26423,7 @@ static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_No
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":77
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":77
  * 
  * 
  * cdef _Trie_Node* trie_insert(_Trie_Node* node, int val):             # <<<<<<<<<<<<<<
@@ -26183,7 +26440,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("trie_insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":79
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":79
  * cdef _Trie_Node* trie_insert(_Trie_Node* node, int val):
  *     cdef _Trie_Edge** cur
  *     cur = &node.root             # <<<<<<<<<<<<<<
@@ -26192,7 +26449,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
  */
   __pyx_v_cur = (&__pyx_v_node->root);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":80
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":80
  *     cdef _Trie_Edge** cur
  *     cur = &node.root
  *     while cur[0] != NULL and cur[0].val != val:             # <<<<<<<<<<<<<<
@@ -26209,7 +26466,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":81
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":81
  *     cur = &node.root
  *     while cur[0] != NULL and cur[0].val != val:
  *         if val > cur[0].val:             # <<<<<<<<<<<<<<
@@ -26219,7 +26476,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
     __pyx_t_3 = (__pyx_v_val > (__pyx_v_cur[0])->val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":82
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":82
  *     while cur[0] != NULL and cur[0].val != val:
  *         if val > cur[0].val:
  *             cur = &cur[0].bigger             # <<<<<<<<<<<<<<
@@ -26230,7 +26487,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
       goto __pyx_L5;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":83
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":83
  *         if val > cur[0].val:
  *             cur = &cur[0].bigger
  *         elif val < cur[0].val:             # <<<<<<<<<<<<<<
@@ -26240,7 +26497,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
     __pyx_t_3 = (__pyx_v_val < (__pyx_v_cur[0])->val);
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":84
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":84
  *             cur = &cur[0].bigger
  *         elif val < cur[0].val:
  *             cur = &cur[0].smaller             # <<<<<<<<<<<<<<
@@ -26253,7 +26510,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
     __pyx_L5:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":85
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":85
  *         elif val < cur[0].val:
  *             cur = &cur[0].smaller
  *     if cur[0] == NULL:             # <<<<<<<<<<<<<<
@@ -26263,7 +26520,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
   __pyx_t_3 = ((__pyx_v_cur[0]) == NULL);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":86
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":86
  *             cur = &cur[0].smaller
  *     if cur[0] == NULL:
  *         cur[0] = new_trie_edge(val)             # <<<<<<<<<<<<<<
@@ -26275,7 +26532,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
   }
   __pyx_L6:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":87
  *     if cur[0] == NULL:
  *         cur[0] = new_trie_edge(val)
  *     return cur[0].node             # <<<<<<<<<<<<<<
@@ -26291,7 +26548,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":89
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":89
  *     return cur[0].node
  * 
  * cdef trie_node_to_map(_Trie_Node* node, result, prefix, int include_zeros):             # <<<<<<<<<<<<<<
@@ -26311,7 +26568,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("trie_node_to_map", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":92
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":92
  *     cdef IntList arr
  * 
  *     if include_zeros or node.arr_len > 0:             # <<<<<<<<<<<<<<
@@ -26326,7 +26583,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
   }
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":93
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":93
  * 
  *     if include_zeros or node.arr_len > 0:
  *         arr = IntList()             # <<<<<<<<<<<<<<
@@ -26338,7 +26595,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
     __pyx_v_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":94
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":94
  *     if include_zeros or node.arr_len > 0:
  *         arr = IntList()
  *         free(arr.arr)             # <<<<<<<<<<<<<<
@@ -26347,7 +26604,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
  */
     free(__pyx_v_arr->arr);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":95
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":95
  *         arr = IntList()
  *         free(arr.arr)
  *         arr.arr = <int*> malloc(node.arr_len * sizeof(int))             # <<<<<<<<<<<<<<
@@ -26356,7 +26613,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
  */
     __pyx_v_arr->arr = ((int *)malloc((__pyx_v_node->arr_len * (sizeof(int)))));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":96
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":96
  *         free(arr.arr)
  *         arr.arr = <int*> malloc(node.arr_len * sizeof(int))
  *         memcpy(arr.arr, node.arr, node.arr_len * sizeof(int))             # <<<<<<<<<<<<<<
@@ -26365,7 +26622,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
  */
     memcpy(__pyx_v_arr->arr, __pyx_v_node->arr, (__pyx_v_node->arr_len * (sizeof(int))));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":97
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":97
  *         arr.arr = <int*> malloc(node.arr_len * sizeof(int))
  *         memcpy(arr.arr, node.arr, node.arr_len * sizeof(int))
  *         arr.len = node.arr_len             # <<<<<<<<<<<<<<
@@ -26374,7 +26631,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
  */
     __pyx_v_arr->len = __pyx_v_node->arr_len;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":98
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":98
  *         memcpy(arr.arr, node.arr, node.arr_len * sizeof(int))
  *         arr.len = node.arr_len
  *         arr.size = node.arr_len             # <<<<<<<<<<<<<<
@@ -26383,7 +26640,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
  */
     __pyx_v_arr->size = __pyx_v_node->arr_len;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":99
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":99
  *         arr.len = node.arr_len
  *         arr.size = node.arr_len
  *         result[prefix] = arr             # <<<<<<<<<<<<<<
@@ -26395,7 +26652,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":100
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":100
  *         arr.size = node.arr_len
  *         result[prefix] = arr
  *     trie_edge_to_map(node.root, result, prefix, include_zeros)             # <<<<<<<<<<<<<<
@@ -26419,7 +26676,7 @@ static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":102
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":102
  *     trie_edge_to_map(node.root, result, prefix, include_zeros)
  * 
  * cdef trie_edge_to_map(_Trie_Edge* edge, result, prefix, int include_zeros):             # <<<<<<<<<<<<<<
@@ -26439,7 +26696,7 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
   __Pyx_RefNannySetupContext("trie_edge_to_map", 0);
   __Pyx_INCREF(__pyx_v_prefix);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":103
  * 
  * cdef trie_edge_to_map(_Trie_Edge* edge, result, prefix, int include_zeros):
  *     if edge != NULL:             # <<<<<<<<<<<<<<
@@ -26449,7 +26706,7 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
   __pyx_t_1 = (__pyx_v_edge != NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":104
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":104
  * cdef trie_edge_to_map(_Trie_Edge* edge, result, prefix, int include_zeros):
  *     if edge != NULL:
  *         trie_edge_to_map(edge.smaller, result, prefix, include_zeros)             # <<<<<<<<<<<<<<
@@ -26460,7 +26717,7 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":105
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":105
  *     if edge != NULL:
  *         trie_edge_to_map(edge.smaller, result, prefix, include_zeros)
  *         trie_edge_to_map(edge.bigger, result, prefix, include_zeros)             # <<<<<<<<<<<<<<
@@ -26471,7 +26728,7 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":106
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":106
  *         trie_edge_to_map(edge.smaller, result, prefix, include_zeros)
  *         trie_edge_to_map(edge.bigger, result, prefix, include_zeros)
  *         prefix = prefix + (edge.val,)             # <<<<<<<<<<<<<<
@@ -26492,7 +26749,7 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
     __pyx_v_prefix = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":107
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":107
  *         trie_edge_to_map(edge.bigger, result, prefix, include_zeros)
  *         prefix = prefix + (edge.val,)
  *         trie_node_to_map(edge.node, result, prefix, include_zeros)             # <<<<<<<<<<<<<<
@@ -26524,11 +26781,11 @@ static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *_
 static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_v_alphabet_size;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alphabet_size,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alphabet_size,0};
     PyObject* values[1] = {0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -26541,8 +26798,7 @@ static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *_
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alphabet_size);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alphabet_size)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
@@ -26568,7 +26824,7 @@ static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":114
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":114
  *     cdef int V
  * 
  *     def __cinit__(self, int alphabet_size):             # <<<<<<<<<<<<<<
@@ -26581,7 +26837,7 @@ static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx
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   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":115
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":115
  * 
  *     def __cinit__(self, int alphabet_size):
  *         self.V = alphabet_size             # <<<<<<<<<<<<<<
@@ -26590,7 +26846,7 @@ static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx
  */
   __pyx_v_self->V = __pyx_v_alphabet_size;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":116
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":116
  *     def __cinit__(self, int alphabet_size):
  *         self.V = alphabet_size
  *         self.root = <_Trie_Node**> malloc(self.V * sizeof(_Trie_Node*))             # <<<<<<<<<<<<<<
@@ -26599,7 +26855,7 @@ static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx
  */
   __pyx_v_self->root = ((struct __pyx_t_3_sa__Trie_Node **)malloc((__pyx_v_self->V * (sizeof(struct __pyx_t_3_sa__Trie_Node *)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":117
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":117
  *         self.V = alphabet_size
  *         self.root = <_Trie_Node**> malloc(self.V * sizeof(_Trie_Node*))
  *         memset(self.root, 0, self.V * sizeof(_Trie_Node*))             # <<<<<<<<<<<<<<
@@ -26622,7 +26878,7 @@ static void __pyx_pw_3_sa_7TrieMap_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":120
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":120
  * 
  * 
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -26641,7 +26897,7 @@ static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *_
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   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":122
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":122
  *     def __dealloc__(self):
  *         cdef int i
  *         for i from 0 <= i < self.V:             # <<<<<<<<<<<<<<
@@ -26651,7 +26907,7 @@ static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *_
   __pyx_t_1 = __pyx_v_self->V;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":123
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":123
  *         cdef int i
  *         for i from 0 <= i < self.V:
  *             if self.root[i] != NULL:             # <<<<<<<<<<<<<<
@@ -26661,7 +26917,7 @@ static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *_
     __pyx_t_2 = ((__pyx_v_self->root[__pyx_v_i]) != NULL);
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":124
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":124
  *         for i from 0 <= i < self.V:
  *             if self.root[i] != NULL:
  *                 free_trie_node(self.root[i])             # <<<<<<<<<<<<<<
@@ -26676,7 +26932,7 @@ static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *_
     __pyx_L5:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":125
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":125
  *             if self.root[i] != NULL:
  *                 free_trie_node(self.root[i])
  *         free(self.root)             # <<<<<<<<<<<<<<
@@ -26704,7 +26960,7 @@ static PyObject *__pyx_pw_3_sa_7TrieMap_5insert(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":128
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":128
  * 
  * 
  *     def insert(self, pattern):             # <<<<<<<<<<<<<<
@@ -26727,7 +26983,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":131
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":131
  *         cdef int* p
  *         cdef int i, l
  *         l = len(pattern)             # <<<<<<<<<<<<<<
@@ -26737,7 +26993,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
   __pyx_t_1 = PyObject_Length(__pyx_v_pattern); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 131; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_l = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":132
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":132
  *         cdef int i, l
  *         l = len(pattern)
  *         p = <int*> malloc(l*sizeof(int))             # <<<<<<<<<<<<<<
@@ -26746,7 +27002,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
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   __pyx_v_p = ((int *)malloc((__pyx_v_l * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":133
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":133
  *         l = len(pattern)
  *         p = <int*> malloc(l*sizeof(int))
  *         for i from 0 <= i < l:             # <<<<<<<<<<<<<<
@@ -26756,7 +27012,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
   __pyx_t_2 = __pyx_v_l;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":134
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":134
  *         p = <int*> malloc(l*sizeof(int))
  *         for i from 0 <= i < l:
  *             p[i] = pattern[i]             # <<<<<<<<<<<<<<
@@ -26770,7 +27026,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
     (__pyx_v_p[__pyx_v_i]) = __pyx_t_4;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":135
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":135
  *         for i from 0 <= i < l:
  *             p[i] = pattern[i]
  *         self._insert(p,l)             # <<<<<<<<<<<<<<
@@ -26779,7 +27035,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
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   ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_self->__pyx_vtab)->_insert(__pyx_v_self, __pyx_v_p, __pyx_v_l);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":136
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":136
  *             p[i] = pattern[i]
  *         self._insert(p,l)
  *         free(p)             # <<<<<<<<<<<<<<
@@ -26800,7 +27056,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":139
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":139
  * 
  * 
  *     cdef _Trie_Node* _insert(self, int* pattern, int pattern_len):             # <<<<<<<<<<<<<<
@@ -26817,7 +27073,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
   int __pyx_t_2;
   __Pyx_RefNannySetupContext("_insert", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":142
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":142
  *         cdef int i
  *         cdef _Trie_Node* node
  *         if self.root[pattern[0]] == NULL:             # <<<<<<<<<<<<<<
@@ -26827,7 +27083,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
   __pyx_t_1 = ((__pyx_v_self->root[(__pyx_v_pattern[0])]) == NULL);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":143
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":143
  *         cdef _Trie_Node* node
  *         if self.root[pattern[0]] == NULL:
  *             self.root[pattern[0]] = new_trie_node()             # <<<<<<<<<<<<<<
@@ -26839,7 +27095,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":144
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":144
  *         if self.root[pattern[0]] == NULL:
  *             self.root[pattern[0]] = new_trie_node()
  *         node = self.root[pattern[0]]             # <<<<<<<<<<<<<<
@@ -26848,7 +27104,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
  */
   __pyx_v_node = (__pyx_v_self->root[(__pyx_v_pattern[0])]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":145
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":145
  *             self.root[pattern[0]] = new_trie_node()
  *         node = self.root[pattern[0]]
  *         for i from 1 <= i < pattern_len:             # <<<<<<<<<<<<<<
@@ -26858,7 +27114,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
   __pyx_t_2 = __pyx_v_pattern_len;
   for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":146
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":146
  *         node = self.root[pattern[0]]
  *         for i from 1 <= i < pattern_len:
  *             node = trie_insert(node, pattern[i])             # <<<<<<<<<<<<<<
@@ -26868,7 +27124,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __py
     __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":147
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":147
  *         for i from 1 <= i < pattern_len:
  *             node = trie_insert(node, pattern[i])
  *         return node             # <<<<<<<<<<<<<<
@@ -26895,7 +27151,7 @@ static PyObject *__pyx_pw_3_sa_7TrieMap_7contains(PyObject *__pyx_v_self, PyObje
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":149
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":149
  *         return node
  * 
  *     def contains(self, pattern):             # <<<<<<<<<<<<<<
@@ -26920,7 +27176,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("contains", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":153
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":153
  *         cdef int i, l
  *         cdef _Trie_Node* node
  *         l = len(pattern)             # <<<<<<<<<<<<<<
@@ -26930,7 +27186,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
   __pyx_t_1 = PyObject_Length(__pyx_v_pattern); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_l = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":154
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":154
  *         cdef _Trie_Node* node
  *         l = len(pattern)
  *         p = <int*> malloc(l*sizeof(int))             # <<<<<<<<<<<<<<
@@ -26939,7 +27195,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
  */
   __pyx_v_p = ((int *)malloc((__pyx_v_l * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":155
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":155
  *         l = len(pattern)
  *         p = <int*> malloc(l*sizeof(int))
  *         for i from 0 <= i < l:             # <<<<<<<<<<<<<<
@@ -26949,7 +27205,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
   __pyx_t_2 = __pyx_v_l;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_2; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":156
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":156
  *         p = <int*> malloc(l*sizeof(int))
  *         for i from 0 <= i < l:
  *             p[i] = pattern[i]             # <<<<<<<<<<<<<<
@@ -26963,7 +27219,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
     (__pyx_v_p[__pyx_v_i]) = __pyx_t_4;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":157
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":157
  *         for i from 0 <= i < l:
  *             p[i] = pattern[i]
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@@ -26972,7 +27228,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":158
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":158
  *             p[i] = pattern[i]
  *         node = self._contains(p,l)
  *         free(p)             # <<<<<<<<<<<<<<
@@ -26981,7 +27237,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
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   free(__pyx_v_p);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":159
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":159
  *         node = self._contains(p,l)
  *         free(p)
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@@ -26991,7 +27247,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
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   if (__pyx_t_5) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":160
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":160
  *         free(p)
  *         if node == NULL:
  *             return False             # <<<<<<<<<<<<<<
@@ -27008,7 +27264,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":162
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":162
  *             return False
  *         else:
  *             return True             # <<<<<<<<<<<<<<
@@ -27036,7 +27292,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":164
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":164
  *             return True
  * 
  *     cdef _Trie_Node* _contains(self, int* pattern, int pattern_len):             # <<<<<<<<<<<<<<
@@ -27054,7 +27310,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__contains(struct __
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("_contains", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":167
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":167
  *         cdef int i
  *         cdef _Trie_Node* node
  *         node = self.root[pattern[0]]             # <<<<<<<<<<<<<<
@@ -27063,7 +27319,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__contains(struct __
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   __pyx_v_node = (__pyx_v_self->root[(__pyx_v_pattern[0])]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":168
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":168
  *         cdef _Trie_Node* node
  *         node = self.root[pattern[0]]
  *         i = 1             # <<<<<<<<<<<<<<
@@ -27072,7 +27328,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__contains(struct __
  */
   __pyx_v_i = 1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":169
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":169
  *         node = self.root[pattern[0]]
  *         i = 1
  *         while node != NULL and i < pattern_len:             # <<<<<<<<<<<<<<
@@ -27089,7 +27345,7 @@ static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__contains(struct __
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":170
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":170
  *         i = 1
  *         while node != NULL and i < pattern_len:
  *             node = trie_find(node, pattern[i])             # <<<<<<<<<<<<<<
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     __pyx_v_node = __pyx_f_3_sa_trie_find(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":171
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":171
  *         while node != NULL and i < pattern_len:
  *             node = trie_find(node, pattern[i])
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     __pyx_v_i = (__pyx_v_i + 1);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":172
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":172
  *             node = trie_find(node, pattern[i])
  *             i = i+1
  *         return node             # <<<<<<<<<<<<<<
@@ -27135,7 +27391,7 @@ static PyObject *__pyx_pw_3_sa_7TrieMap_9toMap(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":174
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":174
  *         return node
  * 
  *     def toMap(self, flag):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":177
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":177
  *         cdef int i, include_zeros
  * 
  *         if flag:             # <<<<<<<<<<<<<<
@@ -27168,7 +27424,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":178
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":178
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  *         if flag:
  *             include_zeros=1             # <<<<<<<<<<<<<<
@@ -27180,7 +27436,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":180
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":180
  *             include_zeros=1
  *         else:
  *             include_zeros=0             # <<<<<<<<<<<<<<
@@ -27191,7 +27447,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":181
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":181
  *         else:
  *             include_zeros=0
  *         result = {}             # <<<<<<<<<<<<<<
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   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":182
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":182
  *             include_zeros=0
  *         result = {}
  *         for i from 0 <= i < self.V:             # <<<<<<<<<<<<<<
@@ -27213,7 +27469,7 @@ static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__
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-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":183
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":183
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     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":184
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":184
  *         for i from 0 <= i < self.V:
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  *                 trie_node_to_map(self.root[i], result, (i,), include_zeros)             # <<<<<<<<<<<<<<
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     __pyx_L6:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":185
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":185
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-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__fsarray,&__pyx_n_s__from_stats,&__pyx_n_s__from_binary,&__pyx_n_s__precompute_rank,&__pyx_n_s_70,&__pyx_n_s__max_length,&__pyx_n_s__max_nonterminals,&__pyx_n_s_71,&__pyx_n_s__train_min_gap_size,0};
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     PyObject* values[9] = {0,0,0,0,0,0,0,0,0};
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":200
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":200
  *     cdef write_map(self, m, FILE* f)
  * 
  *     def __cinit__(self, fsarray=None, from_stats=None, from_binary=None,             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":204
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":204
  *             max_length=5, max_nonterminals=2,
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   __pyx_v_self->precompute_rank = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":205
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":205
  *             train_max_initial_size=10, train_min_gap_size=2):
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   __pyx_v_self->precompute_secondary_rank = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":206
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":206
  *         self.precompute_rank = precompute_rank
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   __pyx_v_self->max_length = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":207
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":207
  *         self.precompute_secondary_rank = precompute_secondary_rank
  *         self.max_length = max_length
  *         self.max_nonterminals = max_nonterminals             # <<<<<<<<<<<<<<
@@ -27465,7 +27721,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
   __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_max_nonterminals); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->max_nonterminals = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":208
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":208
  *         self.max_length = max_length
  *         self.max_nonterminals = max_nonterminals
  *         self.train_max_initial_size = train_max_initial_size             # <<<<<<<<<<<<<<
@@ -27475,7 +27731,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
   __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_train_max_initial_size); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->train_max_initial_size = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":209
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":209
  *         self.max_nonterminals = max_nonterminals
  *         self.train_max_initial_size = train_max_initial_size
  *         self.train_min_gap_size = train_min_gap_size             # <<<<<<<<<<<<<<
@@ -27485,7 +27741,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
   __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_train_min_gap_size); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 209; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_self->train_min_gap_size = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":210
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":210
  *         self.train_max_initial_size = train_max_initial_size
  *         self.train_min_gap_size = train_min_gap_size
  *         if from_binary:             # <<<<<<<<<<<<<<
@@ -27495,7 +27751,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
   __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_from_binary); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":211
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":211
  *         self.train_min_gap_size = train_min_gap_size
  *         if from_binary:
  *             self.read_binary(from_binary)             # <<<<<<<<<<<<<<
@@ -27517,7 +27773,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
     goto __pyx_L3;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":212
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":212
  *         if from_binary:
  *             self.read_binary(from_binary)
  *         elif from_stats:             # <<<<<<<<<<<<<<
@@ -27527,7 +27783,7 @@ static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precom
   __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_from_stats); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":213
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":213
  *             self.read_binary(from_binary)
  *         elif from_stats:
  *             self.precompute(from_stats, fsarray)             # <<<<<<<<<<<<<<
@@ -27587,7 +27843,7 @@ static PyObject *__pyx_pw_3_sa_14Precomputation_3read_binary(PyObject *__pyx_v_s
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":216
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":216
  * 
  * 
  *     def read_binary(self, char* filename):             # <<<<<<<<<<<<<<
@@ -27605,7 +27861,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("read_binary", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":218
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":218
  *     def read_binary(self, char* filename):
  *         cdef FILE* f
  *         f = fopen(filename, "r")             # <<<<<<<<<<<<<<
@@ -27614,7 +27870,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__r);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":219
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":219
  *         cdef FILE* f
  *         f = fopen(filename, "r")
  *         fread(&(self.precompute_rank), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27623,7 +27879,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->precompute_rank), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":220
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":220
  *         f = fopen(filename, "r")
  *         fread(&(self.precompute_rank), sizeof(int), 1, f)
  *         fread(&(self.precompute_secondary_rank), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27632,7 +27888,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->precompute_secondary_rank), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":221
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":221
  *         fread(&(self.precompute_rank), sizeof(int), 1, f)
  *         fread(&(self.precompute_secondary_rank), sizeof(int), 1, f)
  *         fread(&(self.max_length), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27641,7 +27897,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->max_length), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":222
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":222
  *         fread(&(self.precompute_secondary_rank), sizeof(int), 1, f)
  *         fread(&(self.max_length), sizeof(int), 1, f)
  *         fread(&(self.max_nonterminals), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27650,7 +27906,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->max_nonterminals), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":223
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":223
  *         fread(&(self.max_length), sizeof(int), 1, f)
  *         fread(&(self.max_nonterminals), sizeof(int), 1, f)
  *         fread(&(self.train_max_initial_size), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27659,7 +27915,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->train_max_initial_size), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":224
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":224
  *         fread(&(self.max_nonterminals), sizeof(int), 1, f)
  *         fread(&(self.train_max_initial_size), sizeof(int), 1, f)
  *         fread(&(self.train_min_gap_size), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27668,7 +27924,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
  */
   fread((&__pyx_v_self->train_min_gap_size), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":225
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":225
  *         fread(&(self.train_max_initial_size), sizeof(int), 1, f)
  *         fread(&(self.train_min_gap_size), sizeof(int), 1, f)
  *         self.precomputed_index = self.read_map(f)             # <<<<<<<<<<<<<<
@@ -27683,7 +27939,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
   __pyx_v_self->precomputed_index = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":226
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":226
  *         fread(&(self.train_min_gap_size), sizeof(int), 1, f)
  *         self.precomputed_index = self.read_map(f)
  *         self.precomputed_collocations = self.read_map(f)             # <<<<<<<<<<<<<<
@@ -27698,7 +27954,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_
   __pyx_v_self->precomputed_collocations = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":227
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":227
  *         self.precomputed_index = self.read_map(f)
  *         self.precomputed_collocations = self.read_map(f)
  *         fclose(f)             # <<<<<<<<<<<<<<
@@ -27740,7 +27996,7 @@ static PyObject *__pyx_pw_3_sa_14Precomputation_5write_binary(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":230
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":230
  * 
  * 
  *     def write_binary(self, char* filename):             # <<<<<<<<<<<<<<
@@ -27759,7 +28015,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
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   __Pyx_RefNannySetupContext("write_binary", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":232
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":232
  *     def write_binary(self, char* filename):
  *         cdef FILE* f
  *         f = fopen(filename, "w")             # <<<<<<<<<<<<<<
@@ -27768,7 +28024,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__w);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":233
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":233
  *         cdef FILE* f
  *         f = fopen(filename, "w")
  *         fwrite(&(self.precompute_rank), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27777,7 +28033,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   fwrite((&__pyx_v_self->precompute_rank), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":234
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":234
  *         f = fopen(filename, "w")
  *         fwrite(&(self.precompute_rank), sizeof(int), 1, f)
  *         fwrite(&(self.precompute_secondary_rank), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27786,7 +28042,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   fwrite((&__pyx_v_self->precompute_secondary_rank), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":235
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":235
  *         fwrite(&(self.precompute_rank), sizeof(int), 1, f)
  *         fwrite(&(self.precompute_secondary_rank), sizeof(int), 1, f)
  *         fwrite(&(self.max_length), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27795,7 +28051,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   fwrite((&__pyx_v_self->max_length), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":236
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":236
  *         fwrite(&(self.precompute_secondary_rank), sizeof(int), 1, f)
  *         fwrite(&(self.max_length), sizeof(int), 1, f)
  *         fwrite(&(self.max_nonterminals), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27804,7 +28060,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
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   fwrite((&__pyx_v_self->max_nonterminals), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":237
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":237
  *         fwrite(&(self.max_length), sizeof(int), 1, f)
  *         fwrite(&(self.max_nonterminals), sizeof(int), 1, f)
  *         fwrite(&(self.train_max_initial_size), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27813,7 +28069,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   fwrite((&__pyx_v_self->train_max_initial_size), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":238
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":238
  *         fwrite(&(self.max_nonterminals), sizeof(int), 1, f)
  *         fwrite(&(self.train_max_initial_size), sizeof(int), 1, f)
  *         fwrite(&(self.train_min_gap_size), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
@@ -27822,7 +28078,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
  */
   fwrite((&__pyx_v_self->train_min_gap_size), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":239
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":239
  *         fwrite(&(self.train_max_initial_size), sizeof(int), 1, f)
  *         fwrite(&(self.train_min_gap_size), sizeof(int), 1, f)
  *         self.write_map(self.precomputed_index, f)             # <<<<<<<<<<<<<<
@@ -27836,7 +28092,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
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   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":240
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":240
  *         fwrite(&(self.train_min_gap_size), sizeof(int), 1, f)
  *         self.write_map(self.precomputed_index, f)
  *         self.write_map(self.precomputed_collocations, f)             # <<<<<<<<<<<<<<
@@ -27850,7 +28106,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
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   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":241
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":241
  *         self.write_map(self.precomputed_index, f)
  *         self.write_map(self.precomputed_collocations, f)
  *         fclose(f)             # <<<<<<<<<<<<<<
@@ -27872,7 +28128,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":244
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":244
  * 
  * 
  *     cdef write_map(self, m, FILE* f):             # <<<<<<<<<<<<<<
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-  PyObject *__pyx_t_3 = NULL;
-  PyObject *(*__pyx_t_4)(PyObject *);
+  Py_ssize_t __pyx_t_3;
+  int __pyx_t_4;
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-  PyObject *__pyx_t_7 = NULL;
-  PyObject *(*__pyx_t_8)(PyObject *);
-  Py_ssize_t __pyx_t_9;
-  PyObject *(*__pyx_t_10)(PyObject *);
-  int __pyx_t_11;
+  int __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  PyObject *(*__pyx_t_9)(PyObject *);
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":248
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":248
  *         cdef IntList arr
  * 
  *         N = len(m)             # <<<<<<<<<<<<<<
@@ -27915,7 +28169,7 @@ static PyObject *__pyx_f_3_sa_14Precomputation_write_map(CYTHON_UNUSED struct __
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   __pyx_v_N = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":249
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":249
  * 
  *         N = len(m)
  *         fwrite(&(N), sizeof(int), 1, f)             # <<<<<<<<<<<<<<
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   fwrite((&__pyx_v_N), (sizeof(int)), 1, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":250
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":250
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  *         fwrite(&(N), sizeof(int), 1, f)
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-    __pyx_t_4 = Py_TYPE(__pyx_t_2)->tp_iternext;
+  __pyx_t_1 = 0;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":253
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-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":256
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-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":257
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-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":266
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@@ -28284,7 +28486,7 @@ static PyObject *__pyx_f_3_sa_14Precomputation_read_map(CYTHON_UNUSED struct __p
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   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":275
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":275
  *             arr.read_handle(f)
  *             m[key] = arr
  *         return m             # <<<<<<<<<<<<<<
@@ -28317,11 +28519,11 @@ static PyObject *__pyx_pw_3_sa_14Precomputation_7precompute(PyObject *__pyx_v_se
 static PyObject *__pyx_pw_3_sa_14Precomputation_7precompute(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyObject *__pyx_v_stats = 0;
   struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sarray = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__stats,&__pyx_n_s__sarray,0};
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("precompute (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__stats,&__pyx_n_s__sarray,0};
     PyObject* values[2] = {0,0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -28335,12 +28537,10 @@ static PyObject *__pyx_pw_3_sa_14Precomputation_7precompute(PyObject *__pyx_v_se
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__stats);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__stats)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sarray);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sarray)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("precompute", 1, 2, 2, 1); {__pyx_filename = __pyx_f[11]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
@@ -28375,7 +28575,7 @@ static PyObject *__pyx_pw_3_sa_14Precomputation_7precompute(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":278
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":278
  * 
  * 
  *     def precompute(self, stats, SuffixArray sarray):             # <<<<<<<<<<<<<<
@@ -28460,7 +28660,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("precompute", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":280
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":280
  *     def precompute(self, stats, SuffixArray sarray):
  *         cdef int i, l, N, max_pattern_len, i1, l1, i2, l2, i3, l3, ptr1, ptr2, ptr3, is_super, sent_count, max_rank
  *         cdef DataArray darray = sarray.darray             # <<<<<<<<<<<<<<
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   __Pyx_INCREF(((PyObject *)__pyx_v_sarray->darray));
   __pyx_v_darray = __pyx_v_sarray->darray;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":285
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":285
  *         cdef _Trie_Node* node
  * 
  *         data = darray.data             # <<<<<<<<<<<<<<
@@ -28480,7 +28680,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_INCREF(((PyObject *)__pyx_v_darray->data));
   __pyx_v_data = __pyx_v_darray->data;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":287
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":287
  *         data = darray.data
  * 
  *         frequent_patterns = TrieMap(len(darray.id2word))             # <<<<<<<<<<<<<<
@@ -28504,7 +28704,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_frequent_patterns = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":288
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":288
  * 
  *         frequent_patterns = TrieMap(len(darray.id2word))
  *         super_frequent_patterns = TrieMap(len(darray.id2word))             # <<<<<<<<<<<<<<
@@ -28528,7 +28728,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_super_frequent_patterns = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":289
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":289
  *         frequent_patterns = TrieMap(len(darray.id2word))
  *         super_frequent_patterns = TrieMap(len(darray.id2word))
  *         collocations = TrieMap(len(darray.id2word))             # <<<<<<<<<<<<<<
@@ -28552,7 +28752,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_collocations = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":291
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":291
  *         collocations = TrieMap(len(darray.id2word))
  * 
  *         I_set = set()             # <<<<<<<<<<<<<<
@@ -28564,7 +28764,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_I_set = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":292
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":292
  * 
  *         I_set = set()
  *         J_set = set()             # <<<<<<<<<<<<<<
@@ -28576,7 +28776,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_J_set = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":293
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":293
  *         I_set = set()
  *         J_set = set()
  *         J2_set = set()             # <<<<<<<<<<<<<<
@@ -28588,7 +28788,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_J2_set = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":294
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":294
  *         J_set = set()
  *         J2_set = set()
  *         IJ_set = set()             # <<<<<<<<<<<<<<
@@ -28600,7 +28800,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_IJ_set = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":295
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":295
  *         J2_set = set()
  *         IJ_set = set()
  *         pattern_rank = {}             # <<<<<<<<<<<<<<
@@ -28612,7 +28812,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_pattern_rank = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":297
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":297
  *         pattern_rank = {}
  * 
  *         logger.info("Precomputing frequent intersections")             # <<<<<<<<<<<<<<
@@ -28629,7 +28829,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":298
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":298
  * 
  *         logger.info("Precomputing frequent intersections")
  *         cdef float start_time = monitor_cpu()             # <<<<<<<<<<<<<<
@@ -28638,7 +28838,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
   __pyx_v_start_time = __pyx_f_3_sa_monitor_cpu();
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":300
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":300
  *         cdef float start_time = monitor_cpu()
  * 
  *         max_pattern_len = 0             # <<<<<<<<<<<<<<
@@ -28647,7 +28847,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
   __pyx_v_max_pattern_len = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":301
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":301
  * 
  *         max_pattern_len = 0
  *         for rank, (_, _, phrase) in enumerate(stats):             # <<<<<<<<<<<<<<
@@ -28667,10 +28867,18 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   for (;;) {
     if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_3)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
-      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_5 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_3)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
-      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
     } else {
       __pyx_t_5 = __pyx_t_4(__pyx_t_3);
       if (unlikely(!__pyx_t_5)) {
@@ -28684,21 +28892,22 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     }
     if ((likely(PyTuple_CheckExact(__pyx_t_5))) || (PyList_CheckExact(__pyx_t_5))) {
       PyObject* sequence = __pyx_t_5;
+      #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[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
       if (likely(PyTuple_CheckExact(sequence))) {
-        if (unlikely(PyTuple_GET_SIZE(sequence) != 3)) {
-          if (PyTuple_GET_SIZE(sequence) > 3) __Pyx_RaiseTooManyValuesError(3);
-          else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-          {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        }
         __pyx_t_6 = PyTuple_GET_ITEM(sequence, 0); 
         __pyx_t_7 = PyTuple_GET_ITEM(sequence, 1); 
         __pyx_t_8 = PyTuple_GET_ITEM(sequence, 2); 
       } else {
-        if (unlikely(PyList_GET_SIZE(sequence) != 3)) {
-          if (PyList_GET_SIZE(sequence) > 3) __Pyx_RaiseTooManyValuesError(3);
-          else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-          {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        }
         __pyx_t_6 = PyList_GET_ITEM(sequence, 0); 
         __pyx_t_7 = PyList_GET_ITEM(sequence, 1); 
         __pyx_t_8 = PyList_GET_ITEM(sequence, 2); 
@@ -28706,8 +28915,14 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __Pyx_INCREF(__pyx_t_6);
       __Pyx_INCREF(__pyx_t_7);
       __Pyx_INCREF(__pyx_t_8);
+      #else
+      __pyx_t_6 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PySequence_ITEM(sequence, 2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    } else {
+    } else
+    {
       Py_ssize_t index = -1;
       __pyx_t_9 = PyObject_GetIter(__pyx_t_5); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
@@ -28720,12 +28935,13 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       index = 2; __pyx_t_8 = __pyx_t_10(__pyx_t_9); if (unlikely(!__pyx_t_8)) goto __pyx_L5_unpacking_failed;
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       if (__Pyx_IternextUnpackEndCheck(__pyx_t_10(__pyx_t_9), 3) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = NULL;
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
       goto __pyx_L6_unpacking_done;
       __pyx_L5_unpacking_failed:;
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-      if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
+      __pyx_t_10 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
       {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_L6_unpacking_done:;
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@@ -28747,7 +28963,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_t_1 = __pyx_t_5;
     __pyx_t_5 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":302
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":302
  *         max_pattern_len = 0
  *         for rank, (_, _, phrase) in enumerate(stats):
  *             if rank >= self.precompute_rank:             # <<<<<<<<<<<<<<
@@ -28756,14 +28972,13 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
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     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_8 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_5, Py_GE); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_8 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_5, Py_GE); __Pyx_XGOTREF(__pyx_t_8); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
     if (__pyx_t_11) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":303
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":303
  *         for rank, (_, _, phrase) in enumerate(stats):
  *             if rank >= self.precompute_rank:
  *                 break             # <<<<<<<<<<<<<<
@@ -28775,7 +28990,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     }
     __pyx_L7:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":304
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":304
  *             if rank >= self.precompute_rank:
  *                 break
  *             max_pattern_len = max(max_pattern_len, len(phrase))             # <<<<<<<<<<<<<<
@@ -28791,7 +29006,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     }
     __pyx_v_max_pattern_len = __pyx_t_14;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":305
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":305
  *                 break
  *             max_pattern_len = max(max_pattern_len, len(phrase))
  *             frequent_patterns.insert(phrase)             # <<<<<<<<<<<<<<
@@ -28811,7 +29026,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
     __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":306
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":306
  *             max_pattern_len = max(max_pattern_len, len(phrase))
  *             frequent_patterns.insert(phrase)
  *             I_set.add(phrase)             # <<<<<<<<<<<<<<
@@ -28820,7 +29035,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
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     __pyx_t_15 = PySet_Add(__pyx_v_I_set, __pyx_v_phrase); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 306; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":307
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":307
  *             frequent_patterns.insert(phrase)
  *             I_set.add(phrase)
  *             pattern_rank[phrase] = rank             # <<<<<<<<<<<<<<
@@ -28829,7 +29044,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
     if (PyDict_SetItem(((PyObject *)__pyx_v_pattern_rank), __pyx_v_phrase, __pyx_v_rank) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":308
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":308
  *             I_set.add(phrase)
  *             pattern_rank[phrase] = rank
  *             if rank < self.precompute_secondary_rank:             # <<<<<<<<<<<<<<
@@ -28838,14 +29053,13 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
     __pyx_t_7 = PyInt_FromLong(__pyx_v_self->precompute_secondary_rank); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_7);
-    __pyx_t_5 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_7, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_5 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_7, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
     __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     if (__pyx_t_11) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":309
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":309
  *             pattern_rank[phrase] = rank
  *             if rank < self.precompute_secondary_rank:
  *                 super_frequent_patterns.insert(phrase)             # <<<<<<<<<<<<<<
@@ -28865,7 +29079,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __Pyx_DECREF(((PyObject *)__pyx_t_7)); __pyx_t_7 = 0;
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":310
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":310
  *             if rank < self.precompute_secondary_rank:
  *                 super_frequent_patterns.insert(phrase)
  *                 J_set.add(phrase)             # <<<<<<<<<<<<<<
@@ -28881,7 +29095,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":312
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":312
  *                 J_set.add(phrase)
  * 
  *         queue = IntList(increment=1000)             # <<<<<<<<<<<<<<
@@ -28897,7 +29111,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_queue = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":314
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":314
  *         queue = IntList(increment=1000)
  * 
  *         logger.info("    Computing inverted indexes...")             # <<<<<<<<<<<<<<
@@ -28914,7 +29128,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":315
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":315
  * 
  *         logger.info("    Computing inverted indexes...")
  *         N = len(data)             # <<<<<<<<<<<<<<
@@ -28924,7 +29138,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_data)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_N = __pyx_t_2;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":316
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":316
  *         logger.info("    Computing inverted indexes...")
  *         N = len(data)
  *         for i from 0 <= i < N:             # <<<<<<<<<<<<<<
@@ -28934,7 +29148,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_t_13 = __pyx_v_N;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":317
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":317
  *         N = len(data)
  *         for i from 0 <= i < N:
  *             sa_word_id = data.arr[i]             # <<<<<<<<<<<<<<
@@ -28943,7 +29157,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
     __pyx_v_sa_word_id = (__pyx_v_data->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":318
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":318
  *         for i from 0 <= i < N:
  *             sa_word_id = data.arr[i]
  *             if sa_word_id == 1:             # <<<<<<<<<<<<<<
@@ -28953,7 +29167,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_t_11 = (__pyx_v_sa_word_id == 1);
     if (__pyx_t_11) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":319
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":319
  *             sa_word_id = data.arr[i]
  *             if sa_word_id == 1:
  *                 queue._append(-1)             # <<<<<<<<<<<<<<
@@ -28965,7 +29179,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":321
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":321
  *                 queue._append(-1)
  *             else:
  *                 for l from 1 <= l <= max_pattern_len:             # <<<<<<<<<<<<<<
@@ -28975,7 +29189,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_t_16 = __pyx_v_max_pattern_len;
       for (__pyx_v_l = 1; __pyx_v_l <= __pyx_t_16; __pyx_v_l++) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":322
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":322
  *             else:
  *                 for l from 1 <= l <= max_pattern_len:
  *                     node = frequent_patterns._contains(data.arr+i, l)             # <<<<<<<<<<<<<<
@@ -28984,7 +29198,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i), __pyx_v_l);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":323
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":323
  *                 for l from 1 <= l <= max_pattern_len:
  *                     node = frequent_patterns._contains(data.arr+i, l)
  *                     if node == NULL:             # <<<<<<<<<<<<<<
@@ -28994,7 +29208,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_t_11 = (__pyx_v_node == NULL);
         if (__pyx_t_11) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":324
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":324
  *                     node = frequent_patterns._contains(data.arr+i, l)
  *                     if node == NULL:
  *                         break             # <<<<<<<<<<<<<<
@@ -29006,7 +29220,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         }
         __pyx_L14:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":325
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":325
  *                     if node == NULL:
  *                         break
  *                     queue._append(i)             # <<<<<<<<<<<<<<
@@ -29015,7 +29229,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_i);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":326
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":326
  *                         break
  *                     queue._append(i)
  *                     queue._append(l)             # <<<<<<<<<<<<<<
@@ -29024,7 +29238,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_l);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":327
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":327
  *                     queue._append(i)
  *                     queue._append(l)
  *                     trie_node_data_append(node, i)             # <<<<<<<<<<<<<<
@@ -29040,7 +29254,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_L11:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":329
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":329
  *                     trie_node_data_append(node, i)
  * 
  *         logger.info("    Computing collocations...")             # <<<<<<<<<<<<<<
@@ -29057,7 +29271,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":330
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":330
  * 
  *         logger.info("    Computing collocations...")
  *         N = len(queue)             # <<<<<<<<<<<<<<
@@ -29067,7 +29281,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_queue)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_N = __pyx_t_2;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":331
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":331
  *         logger.info("    Computing collocations...")
  *         N = len(queue)
  *         ptr1 = 0             # <<<<<<<<<<<<<<
@@ -29076,7 +29290,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
   __pyx_v_ptr1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":332
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":332
  *         N = len(queue)
  *         ptr1 = 0
  *         sent_count = 0             # <<<<<<<<<<<<<<
@@ -29085,7 +29299,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
   __pyx_v_sent_count = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":333
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":333
  *         ptr1 = 0
  *         sent_count = 0
  *         while ptr1 < N:    # main loop             # <<<<<<<<<<<<<<
@@ -29096,7 +29310,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_t_11 = (__pyx_v_ptr1 < __pyx_v_N);
     if (!__pyx_t_11) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":334
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":334
  *         sent_count = 0
  *         while ptr1 < N:    # main loop
  *             i1 = queue.arr[ptr1]             # <<<<<<<<<<<<<<
@@ -29105,7 +29319,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
     __pyx_v_i1 = (__pyx_v_queue->arr[__pyx_v_ptr1]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":335
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":335
  *         while ptr1 < N:    # main loop
  *             i1 = queue.arr[ptr1]
  *             if i1 > -1:             # <<<<<<<<<<<<<<
@@ -29115,7 +29329,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_t_11 = (__pyx_v_i1 > -1);
     if (__pyx_t_11) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":336
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":336
  *             i1 = queue.arr[ptr1]
  *             if i1 > -1:
  *                 l1 = queue.arr[ptr1+1]             # <<<<<<<<<<<<<<
@@ -29124,7 +29338,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
       __pyx_v_l1 = (__pyx_v_queue->arr[(__pyx_v_ptr1 + 1)]);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":337
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":337
  *             if i1 > -1:
  *                 l1 = queue.arr[ptr1+1]
  *                 ptr2 = ptr1 + 2             # <<<<<<<<<<<<<<
@@ -29133,7 +29347,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
       __pyx_v_ptr2 = (__pyx_v_ptr1 + 2);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":338
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":338
  *                 l1 = queue.arr[ptr1+1]
  *                 ptr2 = ptr1 + 2
  *                 while ptr2 < N:             # <<<<<<<<<<<<<<
@@ -29144,7 +29358,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_t_11 = (__pyx_v_ptr2 < __pyx_v_N);
         if (!__pyx_t_11) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":339
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":339
  *                 ptr2 = ptr1 + 2
  *                 while ptr2 < N:
  *                     i2 = queue.arr[ptr2]             # <<<<<<<<<<<<<<
@@ -29153,7 +29367,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         __pyx_v_i2 = (__pyx_v_queue->arr[__pyx_v_ptr2]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":340
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":340
  *                 while ptr2 < N:
  *                     i2 = queue.arr[ptr2]
  *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -29169,7 +29383,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         }
         if (__pyx_t_18) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":341
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":341
  *                     i2 = queue.arr[ptr2]
  *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
  *                         break             # <<<<<<<<<<<<<<
@@ -29181,7 +29395,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         }
         __pyx_L20:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":342
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":342
  *                     if i2 == -1 or i2 - i1 >= self.train_max_initial_size:
  *                         break
  *                     l2 = queue.arr[ptr2+1]             # <<<<<<<<<<<<<<
@@ -29190,7 +29404,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         __pyx_v_l2 = (__pyx_v_queue->arr[(__pyx_v_ptr2 + 1)]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":343
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":343
  *                         break
  *                     l2 = queue.arr[ptr2+1]
  *                     if (i2 - i1 - l1 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -29200,7 +29414,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_t_18 = (((__pyx_v_i2 - __pyx_v_i1) - __pyx_v_l1) >= __pyx_v_self->train_min_gap_size);
         if (__pyx_t_18) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":344
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":344
  *                     l2 = queue.arr[ptr2+1]
  *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
  *                             i2 + l2 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
@@ -29210,7 +29424,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
           __pyx_t_11 = (((__pyx_v_i2 + __pyx_v_l2) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
           if (__pyx_t_11) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":345
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":345
  *                     if (i2 - i1 - l1 >= self.train_min_gap_size and
  *                             i2 + l2 - i1 <= self.train_max_initial_size and
  *                             l1+l2+1 <= self.max_length):             # <<<<<<<<<<<<<<
@@ -29228,7 +29442,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         }
         if (__pyx_t_11) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":346
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":346
  *                             i2 + l2 - i1 <= self.train_max_initial_size and
  *                             l1+l2+1 <= self.max_length):
  *                         node = collocations._insert(data.arr+i1, l1)             # <<<<<<<<<<<<<<
@@ -29237,7 +29451,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
           __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":347
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":347
  *                             l1+l2+1 <= self.max_length):
  *                         node = collocations._insert(data.arr+i1, l1)
  *                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
@@ -29246,7 +29460,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
           __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":348
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":348
  *                         node = collocations._insert(data.arr+i1, l1)
  *                         node = trie_insert(node, -1)
  *                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
@@ -29256,7 +29470,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
           __pyx_t_13 = (__pyx_v_i2 + __pyx_v_l2);
           for (__pyx_v_i = __pyx_v_i2; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":349
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":349
  *                         node = trie_insert(node, -1)
  *                         for i from i2 <= i < i2+l2:
  *                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
@@ -29266,7 +29480,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
             __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
           }
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":350
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":350
  *                         for i from i2 <= i < i2+l2:
  *                             node = trie_insert(node, data.arr[i])
  *                         trie_node_data_append(node, i1)             # <<<<<<<<<<<<<<
@@ -29277,7 +29491,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":351
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":351
  *                             node = trie_insert(node, data.arr[i])
  *                         trie_node_data_append(node, i1)
  *                         trie_node_data_append(node, i2)             # <<<<<<<<<<<<<<
@@ -29288,7 +29502,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":352
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":352
  *                         trie_node_data_append(node, i1)
  *                         trie_node_data_append(node, i2)
  *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:             # <<<<<<<<<<<<<<
@@ -29298,7 +29512,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
           __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i2), __pyx_v_l2) != NULL);
           if (__pyx_t_11) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":353
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":353
  *                         trie_node_data_append(node, i2)
  *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
  *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:             # <<<<<<<<<<<<<<
@@ -29308,7 +29522,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
             __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1) != NULL);
             if (__pyx_t_11) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":354
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":354
  *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
  *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
  *                                 is_super = 1             # <<<<<<<<<<<<<<
@@ -29320,7 +29534,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
             }
             /*else*/ {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":356
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":356
  *                                 is_super = 1
  *                             else:
  *                                 is_super = 0             # <<<<<<<<<<<<<<
@@ -29331,7 +29545,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
             }
             __pyx_L25:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":357
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":357
  *                             else:
  *                                 is_super = 0
  *                             ptr3 = ptr2 + 2             # <<<<<<<<<<<<<<
@@ -29340,7 +29554,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
             __pyx_v_ptr3 = (__pyx_v_ptr2 + 2);
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":358
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":358
  *                                 is_super = 0
  *                             ptr3 = ptr2 + 2
  *                             while ptr3 < N:             # <<<<<<<<<<<<<<
@@ -29351,7 +29565,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               __pyx_t_11 = (__pyx_v_ptr3 < __pyx_v_N);
               if (!__pyx_t_11) break;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":359
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":359
  *                             ptr3 = ptr2 + 2
  *                             while ptr3 < N:
  *                                 i3 = queue.arr[ptr3]             # <<<<<<<<<<<<<<
@@ -29360,7 +29574,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
               __pyx_v_i3 = (__pyx_v_queue->arr[__pyx_v_ptr3]);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":360
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":360
  *                             while ptr3 < N:
  *                                 i3 = queue.arr[ptr3]
  *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -29376,7 +29590,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               }
               if (__pyx_t_19) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":361
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":361
  *                                 i3 = queue.arr[ptr3]
  *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
  *                                     break             # <<<<<<<<<<<<<<
@@ -29388,7 +29602,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               }
               __pyx_L28:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":362
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":362
  *                                 if i3 == -1 or i3 - i1 >= self.train_max_initial_size:
  *                                     break
  *                                 l3 = queue.arr[ptr3+1]             # <<<<<<<<<<<<<<
@@ -29397,7 +29611,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
               __pyx_v_l3 = (__pyx_v_queue->arr[(__pyx_v_ptr3 + 1)]);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":363
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":363
  *                                     break
  *                                 l3 = queue.arr[ptr3+1]
  *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -29407,7 +29621,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               __pyx_t_19 = (((__pyx_v_i3 - __pyx_v_i2) - __pyx_v_l2) >= __pyx_v_self->train_min_gap_size);
               if (__pyx_t_19) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":364
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":364
  *                                 l3 = queue.arr[ptr3+1]
  *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
  *                                         i3 + l3 - i1 <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
@@ -29417,7 +29631,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                 __pyx_t_11 = (((__pyx_v_i3 + __pyx_v_l3) - __pyx_v_i1) <= __pyx_v_self->train_max_initial_size);
                 if (__pyx_t_11) {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":365
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":365
  *                                 if (i3 - i2 - l2 >= self.train_min_gap_size and
  *                                         i3 + l3 - i1 <= self.train_max_initial_size and
  *                                         l1+l2+l3+2 <= self.max_length):             # <<<<<<<<<<<<<<
@@ -29435,7 +29649,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               }
               if (__pyx_t_11) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":366
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":366
  *                                         i3 + l3 - i1 <= self.train_max_initial_size and
  *                                         l1+l2+l3+2 <= self.max_length):
  *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:             # <<<<<<<<<<<<<<
@@ -29450,7 +29664,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                 }
                 if (__pyx_t_19) {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":367
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":367
  *                                         l1+l2+l3+2 <= self.max_length):
  *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
  *                                         node = collocations._insert(data.arr+i1, l1)             # <<<<<<<<<<<<<<
@@ -29459,7 +29673,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
                   __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":368
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":368
  *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
  *                                         node = collocations._insert(data.arr+i1, l1)
  *                                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
@@ -29468,7 +29682,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
                   __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":369
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":369
  *                                         node = collocations._insert(data.arr+i1, l1)
  *                                         node = trie_insert(node, -1)
  *                                         for i from i2 <= i < i2+l2:             # <<<<<<<<<<<<<<
@@ -29478,7 +29692,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                   __pyx_t_13 = (__pyx_v_i2 + __pyx_v_l2);
                   for (__pyx_v_i = __pyx_v_i2; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
 
-                    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":370
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":370
  *                                         node = trie_insert(node, -1)
  *                                         for i from i2 <= i < i2+l2:
  *                                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
@@ -29488,7 +29702,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                     __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
                   }
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":371
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":371
  *                                         for i from i2 <= i < i2+l2:
  *                                             node = trie_insert(node, data.arr[i])
  *                                         node = trie_insert(node, -1)             # <<<<<<<<<<<<<<
@@ -29497,7 +29711,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
                   __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":372
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":372
  *                                             node = trie_insert(node, data.arr[i])
  *                                         node = trie_insert(node, -1)
  *                                         for i from i3 <= i < i3+l3:             # <<<<<<<<<<<<<<
@@ -29507,7 +29721,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                   __pyx_t_13 = (__pyx_v_i3 + __pyx_v_l3);
                   for (__pyx_v_i = __pyx_v_i3; __pyx_v_i < __pyx_t_13; __pyx_v_i++) {
 
-                    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":373
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":373
  *                                         node = trie_insert(node, -1)
  *                                         for i from i3 <= i < i3+l3:
  *                                             node = trie_insert(node, data.arr[i])             # <<<<<<<<<<<<<<
@@ -29517,7 +29731,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                     __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
                   }
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":374
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":374
  *                                         for i from i3 <= i < i3+l3:
  *                                             node = trie_insert(node, data.arr[i])
  *                                         trie_node_data_append(node, i1)             # <<<<<<<<<<<<<<
@@ -29528,7 +29742,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                   __Pyx_GOTREF(__pyx_t_3);
                   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":375
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":375
  *                                             node = trie_insert(node, data.arr[i])
  *                                         trie_node_data_append(node, i1)
  *                                         trie_node_data_append(node, i2)             # <<<<<<<<<<<<<<
@@ -29539,7 +29753,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
                   __Pyx_GOTREF(__pyx_t_3);
                   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":376
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":376
  *                                         trie_node_data_append(node, i1)
  *                                         trie_node_data_append(node, i2)
  *                                         trie_node_data_append(node, i3)             # <<<<<<<<<<<<<<
@@ -29556,7 +29770,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
               }
               __pyx_L29:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":377
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":377
  *                                         trie_node_data_append(node, i2)
  *                                         trie_node_data_append(node, i3)
  *                                 ptr3 = ptr3 + 2             # <<<<<<<<<<<<<<
@@ -29573,7 +29787,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         }
         __pyx_L21:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":378
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":378
  *                                         trie_node_data_append(node, i3)
  *                                 ptr3 = ptr3 + 2
  *                     ptr2 = ptr2 + 2             # <<<<<<<<<<<<<<
@@ -29584,7 +29798,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       }
       __pyx_L19_break:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":379
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":379
  *                                 ptr3 = ptr3 + 2
  *                     ptr2 = ptr2 + 2
  *                 ptr1 = ptr1 + 2             # <<<<<<<<<<<<<<
@@ -29596,7 +29810,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":381
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":381
  *                 ptr1 = ptr1 + 2
  *             else:
  *                 sent_count = sent_count + 1             # <<<<<<<<<<<<<<
@@ -29605,7 +29819,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
       __pyx_v_sent_count = (__pyx_v_sent_count + 1);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":382
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":382
  *             else:
  *                 sent_count = sent_count + 1
  *                 if sent_count % 10000 == 0:             # <<<<<<<<<<<<<<
@@ -29615,7 +29829,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_t_19 = (__Pyx_mod_long(__pyx_v_sent_count, 10000) == 0);
       if (__pyx_t_19) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":383
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":383
  *                 sent_count = sent_count + 1
  *                 if sent_count % 10000 == 0:
  *                     logger.debug("        %d sentences", sent_count)             # <<<<<<<<<<<<<<
@@ -29646,7 +29860,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       }
       __pyx_L35:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":384
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":384
  *                 if sent_count % 10000 == 0:
  *                     logger.debug("        %d sentences", sent_count)
  *                 ptr1 = ptr1 + 1             # <<<<<<<<<<<<<<
@@ -29658,7 +29872,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_L17:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":386
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":386
  *                 ptr1 = ptr1 + 1
  * 
  *         self.precomputed_collocations = collocations.toMap(False)             # <<<<<<<<<<<<<<
@@ -29684,7 +29898,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_self->precomputed_collocations = __pyx_t_8;
   __pyx_t_8 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":387
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":387
  * 
  *         self.precomputed_collocations = collocations.toMap(False)
  *         self.precomputed_index = frequent_patterns.toMap(True)             # <<<<<<<<<<<<<<
@@ -29710,7 +29924,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_self->precomputed_index = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":389
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":389
  *         self.precomputed_index = frequent_patterns.toMap(True)
  * 
  *         x = 0             # <<<<<<<<<<<<<<
@@ -29720,7 +29934,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __Pyx_INCREF(__pyx_int_0);
   __pyx_v_x = __pyx_int_0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":390
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":390
  * 
  *         x = 0
  *         for pattern1 in J_set:             # <<<<<<<<<<<<<<
@@ -29746,7 +29960,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_v_pattern1 = __pyx_t_3;
     __pyx_t_3 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":391
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":391
  *         x = 0
  *         for pattern1 in J_set:
  *             for pattern2 in J_set:             # <<<<<<<<<<<<<<
@@ -29772,7 +29986,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_v_pattern2 = __pyx_t_8;
       __pyx_t_8 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":392
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":392
  *         for pattern1 in J_set:
  *             for pattern2 in J_set:
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:             # <<<<<<<<<<<<<<
@@ -29784,7 +29998,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_t_19 = (((__pyx_t_2 + __pyx_t_14) + 1) < __pyx_v_self->max_length);
       if (__pyx_t_19) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":393
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":393
  *             for pattern2 in J_set:
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -29800,7 +30014,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_v_combined_pattern = __pyx_t_7;
         __pyx_t_7 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":394
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":394
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     J2_set.add(combined_pattern)             # <<<<<<<<<<<<<<
@@ -29816,7 +30030,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":396
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":396
  *                     J2_set.add(combined_pattern)
  * 
  *         for pattern1 in I_set:             # <<<<<<<<<<<<<<
@@ -29842,7 +30056,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_v_pattern1 = __pyx_t_3;
     __pyx_t_3 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":397
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":397
  * 
  *         for pattern1 in I_set:
  *             for pattern2 in I_set:             # <<<<<<<<<<<<<<
@@ -29868,7 +30082,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_v_pattern2 = __pyx_t_7;
       __pyx_t_7 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":398
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":398
  *         for pattern1 in I_set:
  *             for pattern2 in I_set:
  *                 x = x+1             # <<<<<<<<<<<<<<
@@ -29881,7 +30095,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_v_x = __pyx_t_7;
       __pyx_t_7 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":399
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":399
  *             for pattern2 in I_set:
  *                 x = x+1
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:             # <<<<<<<<<<<<<<
@@ -29893,7 +30107,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_t_19 = (((__pyx_t_14 + __pyx_t_2) + 1) <= __pyx_v_self->max_length);
       if (__pyx_t_19) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":400
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":400
  *                 x = x+1
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -29909,7 +30123,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_v_combined_pattern = __pyx_t_8;
         __pyx_t_8 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":401
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":401
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)             # <<<<<<<<<<<<<<
@@ -29925,7 +30139,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":403
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":403
  *                     IJ_set.add(combined_pattern)
  * 
  *         for pattern1 in I_set:             # <<<<<<<<<<<<<<
@@ -29951,7 +30165,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
     __pyx_v_pattern1 = __pyx_t_3;
     __pyx_t_3 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":404
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":404
  * 
  *         for pattern1 in I_set:
  *             for pattern2 in J2_set:             # <<<<<<<<<<<<<<
@@ -29977,7 +30191,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_v_pattern2 = __pyx_t_8;
       __pyx_t_8 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":405
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":405
  *         for pattern1 in I_set:
  *             for pattern2 in J2_set:
  *                 x = x+2             # <<<<<<<<<<<<<<
@@ -29990,7 +30204,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_v_x = __pyx_t_8;
       __pyx_t_8 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":406
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":406
  *             for pattern2 in J2_set:
  *                 x = x+2
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:             # <<<<<<<<<<<<<<
@@ -30002,7 +30216,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
       __pyx_t_19 = (((__pyx_t_2 + __pyx_t_14) + 1) <= __pyx_v_self->max_length);
       if (__pyx_t_19) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":407
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":407
  *                 x = x+2
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -30018,7 +30232,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_v_combined_pattern = __pyx_t_7;
         __pyx_t_7 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":408
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":408
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)             # <<<<<<<<<<<<<<
@@ -30027,7 +30241,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
  */
         __pyx_t_15 = PySet_Add(__pyx_v_IJ_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 408; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":409
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":409
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)
  *                     combined_pattern = pattern2 + (-1,) + pattern1             # <<<<<<<<<<<<<<
@@ -30043,7 +30257,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
         __pyx_v_combined_pattern = __pyx_t_8;
         __pyx_t_8 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":410
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":410
  *                     IJ_set.add(combined_pattern)
  *                     combined_pattern = pattern2 + (-1,) + pattern1
  *                     IJ_set.add(combined_pattern)             # <<<<<<<<<<<<<<
@@ -30059,17 +30273,17 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":412
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":412
  *                     IJ_set.add(combined_pattern)
  * 
  *         N = len(pattern_rank)             # <<<<<<<<<<<<<<
  *         cost_by_rank = IntList(initial_len=N)
  *         count_by_rank = IntList(initial_len=N)
  */
-  __pyx_t_14 = PyDict_Size(((PyObject *)__pyx_v_pattern_rank)); 
+  __pyx_t_14 = PyDict_Size(((PyObject *)__pyx_v_pattern_rank)); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_N = __pyx_t_14;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":413
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":413
  * 
  *         N = len(pattern_rank)
  *         cost_by_rank = IntList(initial_len=N)             # <<<<<<<<<<<<<<
@@ -30088,7 +30302,7 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_cost_by_rank = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":414
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":414
  *         N = len(pattern_rank)
  *         cost_by_rank = IntList(initial_len=N)
  *         count_by_rank = IntList(initial_len=N)             # <<<<<<<<<<<<<<
@@ -30107,105 +30321,47 @@ static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_s
   __pyx_v_count_by_rank = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":415
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":415
  *         cost_by_rank = IntList(initial_len=N)
  *         count_by_rank = IntList(initial_len=N)
  *         for pattern, arr in self.precomputed_collocations.iteritems():             # <<<<<<<<<<<<<<
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-  __pyx_t_1 = PyObject_GetAttr(__pyx_v_self->precomputed_collocations, __pyx_n_s__iteritems); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 415; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
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+    PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "iteritems");
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+    __Pyx_GOTREF(__pyx_t_8);
     __Pyx_XDECREF(__pyx_v_pattern);
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-    __pyx_t_8 = 0;
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     __Pyx_XDECREF(__pyx_v_arr);
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-    __pyx_t_7 = 0;
+    __pyx_v_arr = __pyx_t_8;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":416
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":416
  *         count_by_rank = IntList(initial_len=N)
  *         for pattern, arr in self.precomputed_collocations.iteritems():
  *             if pattern not in IJ_set:             # <<<<<<<<<<<<<<
  *                 s = ""
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+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":39
  * 
  *         self.darray = DataArray(from_text=filename, side=side, use_sent_id=True)
  *         N = len(self.darray)             # <<<<<<<<<<<<<<
@@ -31505,7 +31671,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __pyx_v_N = __pyx_t_3;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":40
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":40
  *         self.darray = DataArray(from_text=filename, side=side, use_sent_id=True)
  *         N = len(self.darray)
  *         V = len(self.darray.id2word)             # <<<<<<<<<<<<<<
@@ -31518,7 +31684,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __pyx_v_V = __pyx_t_3;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":42
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":42
  *         V = len(self.darray.id2word)
  * 
  *         self.sa = IntList(initial_len=N)             # <<<<<<<<<<<<<<
@@ -31540,7 +31706,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_v_self->sa = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":43
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":43
  * 
  *         self.sa = IntList(initial_len=N)
  *         self.ha = IntList(initial_len=V+1)             # <<<<<<<<<<<<<<
@@ -31562,7 +31728,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_v_self->ha = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":45
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":45
  *         self.ha = IntList(initial_len=V+1)
  * 
  *         isa = IntList(initial_len=N)             # <<<<<<<<<<<<<<
@@ -31581,7 +31747,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_v_isa = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":46
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":46
  * 
  *         isa = IntList(initial_len=N)
  *         word_count = IntList(initial_len=V+1)             # <<<<<<<<<<<<<<
@@ -31600,7 +31766,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_v_word_count = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":49
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":49
  * 
  *         '''Step 1: bucket sort data'''
  *         cdef float sort_start_time = monitor_cpu()             # <<<<<<<<<<<<<<
@@ -31609,7 +31775,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
   __pyx_v_sort_start_time = __pyx_f_3_sa_monitor_cpu();
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":50
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":50
  *         '''Step 1: bucket sort data'''
  *         cdef float sort_start_time = monitor_cpu()
  *         cdef float start_time = sort_start_time             # <<<<<<<<<<<<<<
@@ -31618,7 +31784,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
   __pyx_v_start_time = __pyx_v_sort_start_time;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":51
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":51
  *         cdef float sort_start_time = monitor_cpu()
  *         cdef float start_time = sort_start_time
  *         for i from 0 <= i < N:             # <<<<<<<<<<<<<<
@@ -31628,7 +31794,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_t_4 = __pyx_v_N;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":52
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":52
  *         cdef float start_time = sort_start_time
  *         for i from 0 <= i < N:
  *             a_i = self.darray.data.arr[i]             # <<<<<<<<<<<<<<
@@ -31637,7 +31803,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_a_i = (__pyx_v_self->darray->data->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":53
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":53
  *         for i from 0 <= i < N:
  *             a_i = self.darray.data.arr[i]
  *             word_count.arr[a_i] = word_count.arr[a_i] + 1             # <<<<<<<<<<<<<<
@@ -31647,7 +31813,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     (__pyx_v_word_count->arr[__pyx_v_a_i]) = ((__pyx_v_word_count->arr[__pyx_v_a_i]) + 1);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":55
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":55
  *             word_count.arr[a_i] = word_count.arr[a_i] + 1
  * 
  *         n = 0             # <<<<<<<<<<<<<<
@@ -31656,7 +31822,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
   __pyx_v_n = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":56
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":56
  * 
  *         n = 0
  *         for i from 0 <= i < V+1:             # <<<<<<<<<<<<<<
@@ -31666,7 +31832,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_t_5 = (__pyx_v_V + 1);
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_5; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":57
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":57
  *         n = 0
  *         for i from 0 <= i < V+1:
  *             self.ha.arr[i] = n             # <<<<<<<<<<<<<<
@@ -31675,7 +31841,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     (__pyx_v_self->ha->arr[__pyx_v_i]) = __pyx_v_n;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":58
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":58
  *         for i from 0 <= i < V+1:
  *             self.ha.arr[i] = n
  *             n = n + word_count.arr[i]             # <<<<<<<<<<<<<<
@@ -31684,7 +31850,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_n = (__pyx_v_n + (__pyx_v_word_count->arr[__pyx_v_i]));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":59
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":59
  *             self.ha.arr[i] = n
  *             n = n + word_count.arr[i]
  *             word_count.arr[i] = 0             # <<<<<<<<<<<<<<
@@ -31694,7 +31860,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     (__pyx_v_word_count->arr[__pyx_v_i]) = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":61
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":61
  *             word_count.arr[i] = 0
  * 
  *         for i from 0 <= i < N:             # <<<<<<<<<<<<<<
@@ -31704,7 +31870,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_t_4 = __pyx_v_N;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":62
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":62
  * 
  *         for i from 0 <= i < N:
  *             a_i = self.darray.data.arr[i]             # <<<<<<<<<<<<<<
@@ -31713,7 +31879,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_a_i = (__pyx_v_self->darray->data->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":63
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":63
  *         for i from 0 <= i < N:
  *             a_i = self.darray.data.arr[i]
  *             self.sa.arr[self.ha.arr[a_i] + word_count.arr[a_i]] = i             # <<<<<<<<<<<<<<
@@ -31722,7 +31888,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     (__pyx_v_self->sa->arr[((__pyx_v_self->ha->arr[__pyx_v_a_i]) + (__pyx_v_word_count->arr[__pyx_v_a_i]))]) = __pyx_v_i;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":64
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":64
  *             a_i = self.darray.data.arr[i]
  *             self.sa.arr[self.ha.arr[a_i] + word_count.arr[a_i]] = i
  *             isa.arr[i] = self.ha.arr[a_i + 1] - 1 # bucket pointer is last index in bucket             # <<<<<<<<<<<<<<
@@ -31731,7 +31897,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     (__pyx_v_isa->arr[__pyx_v_i]) = ((__pyx_v_self->ha->arr[(__pyx_v_a_i + 1)]) - 1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":65
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":65
  *             self.sa.arr[self.ha.arr[a_i] + word_count.arr[a_i]] = i
  *             isa.arr[i] = self.ha.arr[a_i + 1] - 1 # bucket pointer is last index in bucket
  *             word_count.arr[a_i] = word_count.arr[a_i] + 1             # <<<<<<<<<<<<<<
@@ -31741,7 +31907,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     (__pyx_v_word_count->arr[__pyx_v_a_i]) = ((__pyx_v_word_count->arr[__pyx_v_a_i]) + 1);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":68
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":68
  * 
  *         '''Determine size of initial runs'''
  *         current_run = 0             # <<<<<<<<<<<<<<
@@ -31750,7 +31916,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
   __pyx_v_current_run = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":69
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":69
  *         '''Determine size of initial runs'''
  *         current_run = 0
  *         for i from 0 <= i < V+1:             # <<<<<<<<<<<<<<
@@ -31760,7 +31926,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_t_5 = (__pyx_v_V + 1);
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_5; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":70
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":70
  *         current_run = 0
  *         for i from 0 <= i < V+1:
  *             if i < V and self.ha.arr[i+1] - self.ha.arr[i] == 1:             # <<<<<<<<<<<<<<
@@ -31776,7 +31942,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     }
     if (__pyx_t_8) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":71
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":71
  *         for i from 0 <= i < V+1:
  *             if i < V and self.ha.arr[i+1] - self.ha.arr[i] == 1:
  *                 current_run = current_run + 1             # <<<<<<<<<<<<<<
@@ -31788,7 +31954,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":73
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":73
  *                 current_run = current_run + 1
  *             else:
  *                 if current_run > 0:             # <<<<<<<<<<<<<<
@@ -31798,7 +31964,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
       __pyx_t_8 = (__pyx_v_current_run > 0);
       if (__pyx_t_8) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":74
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":74
  *             else:
  *                 if current_run > 0:
  *                     self.sa.arr[self.ha.arr[i] - current_run] = -current_run             # <<<<<<<<<<<<<<
@@ -31807,7 +31973,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
         (__pyx_v_self->sa->arr[((__pyx_v_self->ha->arr[__pyx_v_i]) - __pyx_v_current_run)]) = (-__pyx_v_current_run);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":75
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":75
  *                 if current_run > 0:
  *                     self.sa.arr[self.ha.arr[i] - current_run] = -current_run
  *                     current_run = 0             # <<<<<<<<<<<<<<
@@ -31822,7 +31988,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     __pyx_L11:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":77
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":77
  *                     current_run = 0
  * 
  *         logger.info("    Bucket sort took %f seconds", (monitor_cpu() - sort_start_time))             # <<<<<<<<<<<<<<
@@ -31850,7 +32016,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":80
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":80
  * 
  *         '''Step 2: prefix-doubling sort'''
  *         h = 1             # <<<<<<<<<<<<<<
@@ -31859,7 +32025,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
   __pyx_v_h = 1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":81
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":81
  *         '''Step 2: prefix-doubling sort'''
  *         h = 1
  *         while self.sa.arr[0] != -N:             # <<<<<<<<<<<<<<
@@ -31870,7 +32036,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     __pyx_t_8 = ((__pyx_v_self->sa->arr[0]) != (-__pyx_v_N));
     if (!__pyx_t_8) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":82
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":82
  *         h = 1
  *         while self.sa.arr[0] != -N:
  *             sort_start_time = monitor_cpu()             # <<<<<<<<<<<<<<
@@ -31879,7 +32045,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_sort_start_time = __pyx_f_3_sa_monitor_cpu();
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":83
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":83
  *         while self.sa.arr[0] != -N:
  *             sort_start_time = monitor_cpu()
  *             logger.debug("    Refining, sort depth = %d", h)             # <<<<<<<<<<<<<<
@@ -31907,7 +32073,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":84
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":84
  *             sort_start_time = monitor_cpu()
  *             logger.debug("    Refining, sort depth = %d", h)
  *             i = 0             # <<<<<<<<<<<<<<
@@ -31916,7 +32082,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_i = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":85
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":85
  *             logger.debug("    Refining, sort depth = %d", h)
  *             i = 0
  *             skip = 0             # <<<<<<<<<<<<<<
@@ -31925,7 +32091,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_skip = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":86
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":86
  *             i = 0
  *             skip = 0
  *             while i < N:             # <<<<<<<<<<<<<<
@@ -31936,7 +32102,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
       __pyx_t_8 = (__pyx_v_i < __pyx_v_N);
       if (!__pyx_t_8) break;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":87
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":87
  *             skip = 0
  *             while i < N:
  *                 if self.sa.arr[i] < 0:             # <<<<<<<<<<<<<<
@@ -31946,7 +32112,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
       __pyx_t_8 = ((__pyx_v_self->sa->arr[__pyx_v_i]) < 0);
       if (__pyx_t_8) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":88
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":88
  *             while i < N:
  *                 if self.sa.arr[i] < 0:
  *                     skip = skip + self.sa.arr[i]             # <<<<<<<<<<<<<<
@@ -31955,7 +32121,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
         __pyx_v_skip = (__pyx_v_skip + (__pyx_v_self->sa->arr[__pyx_v_i]));
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":89
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":89
  *                 if self.sa.arr[i] < 0:
  *                     skip = skip + self.sa.arr[i]
  *                     i = i - self.sa.arr[i]             # <<<<<<<<<<<<<<
@@ -31967,7 +32133,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":91
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":91
  *                     i = i - self.sa.arr[i]
  *                 else:
  *                     if skip < 0:             # <<<<<<<<<<<<<<
@@ -31977,7 +32143,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
         __pyx_t_8 = (__pyx_v_skip < 0);
         if (__pyx_t_8) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":92
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":92
  *                 else:
  *                     if skip < 0:
  *                         self.sa.arr[i+skip] = skip             # <<<<<<<<<<<<<<
@@ -31986,7 +32152,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
           (__pyx_v_self->sa->arr[(__pyx_v_i + __pyx_v_skip)]) = __pyx_v_skip;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":93
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":93
  *                     if skip < 0:
  *                         self.sa.arr[i+skip] = skip
  *                         skip = 0             # <<<<<<<<<<<<<<
@@ -31998,7 +32164,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
         }
         __pyx_L18:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":94
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":94
  *                         self.sa.arr[i+skip] = skip
  *                         skip = 0
  *                     j = isa.arr[self.sa.arr[i]]             # <<<<<<<<<<<<<<
@@ -32007,7 +32173,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
         __pyx_v_j = (__pyx_v_isa->arr[(__pyx_v_self->sa->arr[__pyx_v_i])]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":95
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":95
  *                         skip = 0
  *                     j = isa.arr[self.sa.arr[i]]
  *                     self.q3sort(i, j, h, isa)             # <<<<<<<<<<<<<<
@@ -32042,7 +32208,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
         __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":96
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":96
  *                     j = isa.arr[self.sa.arr[i]]
  *                     self.q3sort(i, j, h, isa)
  *                     i = j+1             # <<<<<<<<<<<<<<
@@ -32054,7 +32220,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
       __pyx_L17:;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":97
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":97
  *                     self.q3sort(i, j, h, isa)
  *                     i = j+1
  *             if skip < 0:             # <<<<<<<<<<<<<<
@@ -32064,7 +32230,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     __pyx_t_8 = (__pyx_v_skip < 0);
     if (__pyx_t_8) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":98
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":98
  *                     i = j+1
  *             if skip < 0:
  *                 self.sa.arr[i+skip] = skip             # <<<<<<<<<<<<<<
@@ -32076,7 +32242,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     }
     __pyx_L19:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":99
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":99
  *             if skip < 0:
  *                 self.sa.arr[i+skip] = skip
  *             h = h * 2             # <<<<<<<<<<<<<<
@@ -32085,7 +32251,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_h = (__pyx_v_h * 2);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":100
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":100
  *                 self.sa.arr[i+skip] = skip
  *             h = h * 2
  *             logger.debug("    Refinement took %f seconds", (monitor_cpu() - sort_start_time))             # <<<<<<<<<<<<<<
@@ -32114,7 +32280,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":103
  * 
  *         '''Step 3: read off suffix array from inverse suffix array'''
  *         logger.info("    Finalizing sort...")             # <<<<<<<<<<<<<<
@@ -32131,7 +32297,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":104
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":104
  *         '''Step 3: read off suffix array from inverse suffix array'''
  *         logger.info("    Finalizing sort...")
  *         for i from 0 <= i < N:             # <<<<<<<<<<<<<<
@@ -32141,7 +32307,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
   __pyx_t_4 = __pyx_v_N;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_4; __pyx_v_i++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":105
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":105
  *         logger.info("    Finalizing sort...")
  *         for i from 0 <= i < N:
  *             j = isa.arr[i]             # <<<<<<<<<<<<<<
@@ -32150,7 +32316,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
  */
     __pyx_v_j = (__pyx_v_isa->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":106
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":106
  *         for i from 0 <= i < N:
  *             j = isa.arr[i]
  *             self.sa.arr[j] = i             # <<<<<<<<<<<<<<
@@ -32160,7 +32326,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_S
     (__pyx_v_self->sa->arr[__pyx_v_j]) = __pyx_v_i;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":107
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":107
  *             j = isa.arr[i]
  *             self.sa.arr[j] = i
  *         logger.info("Suffix array construction took %f seconds", (monitor_cpu() - start_time))             # <<<<<<<<<<<<<<
@@ -32215,11 +32381,11 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_self, Py
   int __pyx_v_h;
   struct __pyx_obj_3_sa_IntList *__pyx_v_isa = 0;
   PyObject *__pyx_v_pad = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__i,&__pyx_n_s__j,&__pyx_n_s__h,&__pyx_n_s__isa,&__pyx_n_s__pad,0};
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("q3sort (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__i,&__pyx_n_s__j,&__pyx_n_s__h,&__pyx_n_s__isa,&__pyx_n_s__pad,0};
     PyObject* values[5] = {0,0,0,0,0};
     values[4] = ((PyObject *)__pyx_kp_s_45);
     if (unlikely(__pyx_kwds)) {
@@ -32237,24 +32403,20 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_self, Py
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__i)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__j);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__j)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 1); {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  2:
-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__h);
-        if (likely(values[2])) kw_args--;
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__h)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 2); {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
         case  3:
-        values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__isa);
-        if (likely(values[3])) kw_args--;
+        if (likely((values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__isa)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 3); {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
@@ -32302,7 +32464,7 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_self, Py
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":109
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":109
  *         logger.info("Suffix array construction took %f seconds", (monitor_cpu() - start_time))
  * 
  *     def q3sort(self, int i, int j, int h, IntList isa, pad=""):             # <<<<<<<<<<<<<<
@@ -32332,7 +32494,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("q3sort", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":116
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":116
  *         cdef int k, midpoint, pval, phead, ptail, tmp
  * 
  *         if j-i < -1:             # <<<<<<<<<<<<<<
@@ -32342,7 +32504,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_1 = ((__pyx_v_j - __pyx_v_i) < -1);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":117
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":117
  * 
  *         if j-i < -1:
  *             raise Exception("Unexpected condition found in q3sort: sort from %d to %d" % (i,j))             # <<<<<<<<<<<<<<
@@ -32379,7 +32541,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":118
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":118
  *         if j-i < -1:
  *             raise Exception("Unexpected condition found in q3sort: sort from %d to %d" % (i,j))
  *         if j-i == -1:    # recursive base case -- empty interval             # <<<<<<<<<<<<<<
@@ -32389,7 +32551,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_1 = ((__pyx_v_j - __pyx_v_i) == -1);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":119
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":119
  *             raise Exception("Unexpected condition found in q3sort: sort from %d to %d" % (i,j))
  *         if j-i == -1:    # recursive base case -- empty interval
  *             return             # <<<<<<<<<<<<<<
@@ -32403,7 +32565,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":120
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":120
  *         if j-i == -1:    # recursive base case -- empty interval
  *             return
  *         if (j-i == 0):    # recursive base case -- singleton interval             # <<<<<<<<<<<<<<
@@ -32413,7 +32575,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_1 = ((__pyx_v_j - __pyx_v_i) == 0);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":121
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":121
  *             return
  *         if (j-i == 0):    # recursive base case -- singleton interval
  *             isa.arr[self.sa.arr[i]] = i             # <<<<<<<<<<<<<<
@@ -32422,7 +32584,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
     (__pyx_v_isa->arr[(__pyx_v_self->sa->arr[__pyx_v_i])]) = __pyx_v_i;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":122
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":122
  *         if (j-i == 0):    # recursive base case -- singleton interval
  *             isa.arr[self.sa.arr[i]] = i
  *             self.sa.arr[i] = -1             # <<<<<<<<<<<<<<
@@ -32431,7 +32593,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
     (__pyx_v_self->sa->arr[__pyx_v_i]) = -1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":123
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":123
  *             isa.arr[self.sa.arr[i]] = i
  *             self.sa.arr[i] = -1
  *             return             # <<<<<<<<<<<<<<
@@ -32445,7 +32607,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":132
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":132
  *         # If the method of assigning word_id's is changed, this method
  *         # may need to be reconsidered as well.
  *         midpoint = (i+j)/2             # <<<<<<<<<<<<<<
@@ -32454,7 +32616,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
   __pyx_v_midpoint = __Pyx_div_long((__pyx_v_i + __pyx_v_j), 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":133
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":133
  *         # may need to be reconsidered as well.
  *         midpoint = (i+j)/2
  *         pval = isa.arr[self.sa.arr[midpoint] + h]             # <<<<<<<<<<<<<<
@@ -32463,7 +32625,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
   __pyx_v_pval = (__pyx_v_isa->arr[((__pyx_v_self->sa->arr[__pyx_v_midpoint]) + __pyx_v_h)]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":134
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":134
  *         midpoint = (i+j)/2
  *         pval = isa.arr[self.sa.arr[midpoint] + h]
  *         if i != midpoint:             # <<<<<<<<<<<<<<
@@ -32473,7 +32635,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_1 = (__pyx_v_i != __pyx_v_midpoint);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":135
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":135
  *         pval = isa.arr[self.sa.arr[midpoint] + h]
  *         if i != midpoint:
  *             tmp = self.sa.arr[midpoint]             # <<<<<<<<<<<<<<
@@ -32482,7 +32644,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
     __pyx_v_tmp = (__pyx_v_self->sa->arr[__pyx_v_midpoint]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":136
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":136
  *         if i != midpoint:
  *             tmp = self.sa.arr[midpoint]
  *             self.sa.arr[midpoint] = self.sa.arr[i]             # <<<<<<<<<<<<<<
@@ -32491,7 +32653,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
     (__pyx_v_self->sa->arr[__pyx_v_midpoint]) = (__pyx_v_self->sa->arr[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":137
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":137
  *             tmp = self.sa.arr[midpoint]
  *             self.sa.arr[midpoint] = self.sa.arr[i]
  *             self.sa.arr[i] = tmp             # <<<<<<<<<<<<<<
@@ -32503,7 +32665,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   }
   __pyx_L6:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":138
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":138
  *             self.sa.arr[midpoint] = self.sa.arr[i]
  *             self.sa.arr[i] = tmp
  *         phead = i             # <<<<<<<<<<<<<<
@@ -32512,7 +32674,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
   __pyx_v_phead = __pyx_v_i;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":139
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":139
  *             self.sa.arr[i] = tmp
  *         phead = i
  *         ptail = i             # <<<<<<<<<<<<<<
@@ -32521,7 +32683,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
   __pyx_v_ptail = __pyx_v_i;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":143
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":143
  *         # find the three partitions.    phead marks the first element
  *         # of the middle partition, and ptail marks the last element
  *         for k from i+1 <= k < j+1:             # <<<<<<<<<<<<<<
@@ -32531,7 +32693,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_5 = (__pyx_v_j + 1);
   for (__pyx_v_k = (__pyx_v_i + 1); __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":144
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":144
  *         # of the middle partition, and ptail marks the last element
  *         for k from i+1 <= k < j+1:
  *             if isa.arr[self.sa.arr[k] + h] < pval:             # <<<<<<<<<<<<<<
@@ -32541,7 +32703,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
     __pyx_t_1 = ((__pyx_v_isa->arr[((__pyx_v_self->sa->arr[__pyx_v_k]) + __pyx_v_h)]) < __pyx_v_pval);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":145
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":145
  *         for k from i+1 <= k < j+1:
  *             if isa.arr[self.sa.arr[k] + h] < pval:
  *                 if k > ptail+1:             # <<<<<<<<<<<<<<
@@ -32551,7 +32713,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
       __pyx_t_1 = (__pyx_v_k > (__pyx_v_ptail + 1));
       if (__pyx_t_1) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":146
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":146
  *             if isa.arr[self.sa.arr[k] + h] < pval:
  *                 if k > ptail+1:
  *                     tmp = self.sa.arr[phead]             # <<<<<<<<<<<<<<
@@ -32560,7 +32722,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
         __pyx_v_tmp = (__pyx_v_self->sa->arr[__pyx_v_phead]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":147
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":147
  *                 if k > ptail+1:
  *                     tmp = self.sa.arr[phead]
  *                     self.sa.arr[phead] = self.sa.arr[k]             # <<<<<<<<<<<<<<
@@ -32569,7 +32731,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
         (__pyx_v_self->sa->arr[__pyx_v_phead]) = (__pyx_v_self->sa->arr[__pyx_v_k]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":148
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":148
  *                     tmp = self.sa.arr[phead]
  *                     self.sa.arr[phead] = self.sa.arr[k]
  *                     self.sa.arr[k] = self.sa.arr[ptail+1]             # <<<<<<<<<<<<<<
@@ -32578,7 +32740,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
         (__pyx_v_self->sa->arr[__pyx_v_k]) = (__pyx_v_self->sa->arr[(__pyx_v_ptail + 1)]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":149
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":149
  *                     self.sa.arr[phead] = self.sa.arr[k]
  *                     self.sa.arr[k] = self.sa.arr[ptail+1]
  *                     self.sa.arr[ptail+1] = tmp             # <<<<<<<<<<<<<<
@@ -32590,7 +32752,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":151
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":151
  *                     self.sa.arr[ptail+1] = tmp
  *                 else: # k == ptail+1
  *                     tmp = self.sa.arr[phead]             # <<<<<<<<<<<<<<
@@ -32599,7 +32761,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
         __pyx_v_tmp = (__pyx_v_self->sa->arr[__pyx_v_phead]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":152
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":152
  *                 else: # k == ptail+1
  *                     tmp = self.sa.arr[phead]
  *                     self.sa.arr[phead] = self.sa.arr[k]             # <<<<<<<<<<<<<<
@@ -32608,7 +32770,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
         (__pyx_v_self->sa->arr[__pyx_v_phead]) = (__pyx_v_self->sa->arr[__pyx_v_k]);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":153
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":153
  *                     tmp = self.sa.arr[phead]
  *                     self.sa.arr[phead] = self.sa.arr[k]
  *                     self.sa.arr[k] = tmp             # <<<<<<<<<<<<<<
@@ -32619,7 +32781,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
       }
       __pyx_L10:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":154
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":154
  *                     self.sa.arr[phead] = self.sa.arr[k]
  *                     self.sa.arr[k] = tmp
  *                 phead = phead + 1             # <<<<<<<<<<<<<<
@@ -32628,7 +32790,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
       __pyx_v_phead = (__pyx_v_phead + 1);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":155
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":155
  *                     self.sa.arr[k] = tmp
  *                 phead = phead + 1
  *                 ptail = ptail + 1             # <<<<<<<<<<<<<<
@@ -32640,7 +32802,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":157
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":157
  *                 ptail = ptail + 1
  *             else:
  *                 if isa.arr[self.sa.arr[k] + h] == pval:             # <<<<<<<<<<<<<<
@@ -32650,7 +32812,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
       __pyx_t_1 = ((__pyx_v_isa->arr[((__pyx_v_self->sa->arr[__pyx_v_k]) + __pyx_v_h)]) == __pyx_v_pval);
       if (__pyx_t_1) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":158
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":158
  *             else:
  *                 if isa.arr[self.sa.arr[k] + h] == pval:
  *                     if k > ptail+1:             # <<<<<<<<<<<<<<
@@ -32660,7 +32822,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
         __pyx_t_1 = (__pyx_v_k > (__pyx_v_ptail + 1));
         if (__pyx_t_1) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":159
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":159
  *                 if isa.arr[self.sa.arr[k] + h] == pval:
  *                     if k > ptail+1:
  *                         tmp = self.sa.arr[ptail+1]             # <<<<<<<<<<<<<<
@@ -32669,7 +32831,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
           __pyx_v_tmp = (__pyx_v_self->sa->arr[(__pyx_v_ptail + 1)]);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":160
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":160
  *                     if k > ptail+1:
  *                         tmp = self.sa.arr[ptail+1]
  *                         self.sa.arr[ptail+1] = self.sa.arr[k]             # <<<<<<<<<<<<<<
@@ -32678,7 +32840,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
  */
           (__pyx_v_self->sa->arr[(__pyx_v_ptail + 1)]) = (__pyx_v_self->sa->arr[__pyx_v_k]);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":161
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":161
  *                         tmp = self.sa.arr[ptail+1]
  *                         self.sa.arr[ptail+1] = self.sa.arr[k]
  *                         self.sa.arr[k] = tmp             # <<<<<<<<<<<<<<
@@ -32690,7 +32852,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
         }
         __pyx_L12:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":162
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":162
  *                         self.sa.arr[ptail+1] = self.sa.arr[k]
  *                         self.sa.arr[k] = tmp
  *                     ptail = ptail + 1             # <<<<<<<<<<<<<<
@@ -32705,7 +32867,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
     __pyx_L9:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":165
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":165
  * 
  *         # recursively sort smaller suffixes
  *         self.q3sort(i, phead-1, h, isa, pad+"    ")             # <<<<<<<<<<<<<<
@@ -32745,7 +32907,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
   __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":169
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":169
  *         # update suffixes with pivot value
  *         # corresponds to update_group function in Larsson & Sadakane
  *         for k from phead <= k < ptail+1:             # <<<<<<<<<<<<<<
@@ -32755,7 +32917,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_5 = (__pyx_v_ptail + 1);
   for (__pyx_v_k = __pyx_v_phead; __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":170
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":170
  *         # corresponds to update_group function in Larsson & Sadakane
  *         for k from phead <= k < ptail+1:
  *             isa.arr[self.sa.arr[k]] = ptail             # <<<<<<<<<<<<<<
@@ -32765,7 +32927,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
     (__pyx_v_isa->arr[(__pyx_v_self->sa->arr[__pyx_v_k])]) = __pyx_v_ptail;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":171
  *         for k from phead <= k < ptail+1:
  *             isa.arr[self.sa.arr[k]] = ptail
  *         if phead == ptail:             # <<<<<<<<<<<<<<
@@ -32775,7 +32937,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   __pyx_t_1 = (__pyx_v_phead == __pyx_v_ptail);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":172
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":172
  *             isa.arr[self.sa.arr[k]] = ptail
  *         if phead == ptail:
  *             self.sa.arr[phead] = -1             # <<<<<<<<<<<<<<
@@ -32787,7 +32949,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_Suff
   }
   __pyx_L15:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":175
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":175
  * 
  *         # recursively sort larger suffixes
  *         self.q3sort(ptail+1, j, h, isa, pad+"    ")             # <<<<<<<<<<<<<<
@@ -32865,7 +33027,7 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_15write_text(PyObject *__pyx_v_self
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":178
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":178
  * 
  * 
  *     def write_text(self, char* filename):             # <<<<<<<<<<<<<<
@@ -32884,7 +33046,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_14write_text(struct __pyx_obj_3_sa_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("write_text", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":179
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":179
  * 
  *     def write_text(self, char* filename):
  *         self.darray.write_text(filename)             # <<<<<<<<<<<<<<
@@ -32941,7 +33103,7 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_17read_binary(PyObject *__pyx_v_sel
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":181
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":181
  *         self.darray.write_text(filename)
  * 
  *     def read_binary(self, char* filename):             # <<<<<<<<<<<<<<
@@ -32955,7 +33117,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("read_binary", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":183
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":183
  *     def read_binary(self, char* filename):
  *         cdef FILE *f
  *         f = fopen(filename, "r")             # <<<<<<<<<<<<<<
@@ -32964,7 +33126,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
  */
   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__r);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":184
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":184
  *         cdef FILE *f
  *         f = fopen(filename, "r")
  *         self.darray.read_handle(f)             # <<<<<<<<<<<<<<
@@ -32973,7 +33135,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
  */
   ((struct __pyx_vtabstruct_3_sa_DataArray *)__pyx_v_self->darray->__pyx_vtab)->read_handle(__pyx_v_self->darray, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":185
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":185
  *         f = fopen(filename, "r")
  *         self.darray.read_handle(f)
  *         self.sa.read_handle(f)             # <<<<<<<<<<<<<<
@@ -32982,7 +33144,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
  */
   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sa->__pyx_vtab)->read_handle(__pyx_v_self->sa, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":186
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":186
  *         self.darray.read_handle(f)
  *         self.sa.read_handle(f)
  *         self.ha.read_handle(f)             # <<<<<<<<<<<<<<
@@ -32991,7 +33153,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa
  */
   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->ha->__pyx_vtab)->read_handle(__pyx_v_self->ha, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":187
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":187
  *         self.sa.read_handle(f)
  *         self.ha.read_handle(f)
  *         fclose(f)             # <<<<<<<<<<<<<<
@@ -33027,7 +33189,7 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_19write_binary(PyObject *__pyx_v_se
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":189
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":189
  *         fclose(f)
  * 
  *     def write_binary(self, char* filename):             # <<<<<<<<<<<<<<
@@ -33041,7 +33203,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_s
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("write_binary", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":191
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":191
  *     def write_binary(self, char* filename):
  *         cdef FILE* f
  *         f = fopen(filename, "w")             # <<<<<<<<<<<<<<
@@ -33050,7 +33212,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_s
  */
   __pyx_v_f = fopen(__pyx_v_filename, __pyx_k__w);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":192
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":192
  *         cdef FILE* f
  *         f = fopen(filename, "w")
  *         self.darray.write_handle(f)             # <<<<<<<<<<<<<<
@@ -33059,7 +33221,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_s
  */
   ((struct __pyx_vtabstruct_3_sa_DataArray *)__pyx_v_self->darray->__pyx_vtab)->write_handle(__pyx_v_self->darray, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":193
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":193
  *         f = fopen(filename, "w")
  *         self.darray.write_handle(f)
  *         self.sa.write_handle(f)             # <<<<<<<<<<<<<<
@@ -33068,7 +33230,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_s
  */
   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sa->__pyx_vtab)->write_handle(__pyx_v_self->sa, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":194
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":194
  *         self.darray.write_handle(f)
  *         self.sa.write_handle(f)
  *         self.ha.write_handle(f)             # <<<<<<<<<<<<<<
@@ -33077,7 +33239,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_s
  */
   ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->ha->__pyx_vtab)->write_handle(__pyx_v_self->ha, __pyx_v_f);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":195
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":195
  *         self.sa.write_handle(f)
  *         self.ha.write_handle(f)
  *         fclose(f)             # <<<<<<<<<<<<<<
@@ -33113,7 +33275,7 @@ static PyObject *__pyx_pw_3_sa_11SuffixArray_21write_enhanced(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":197
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":197
  *         fclose(f)
  * 
  *     def write_enhanced(self, char* filename):             # <<<<<<<<<<<<<<
@@ -33145,7 +33307,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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   __Pyx_RefNannySetupContext("write_enhanced", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":198
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":198
  * 
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
@@ -33185,7 +33347,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
           __pyx_v_f = __pyx_t_4;
           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":199
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":199
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:
  *             self.darray.write_enhanced_handle(f)             # <<<<<<<<<<<<<<
@@ -33205,7 +33367,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":200
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":200
  *         with open(filename, "w") as f:
  *             self.darray.write_enhanced_handle(f)
  *             for a_i in self.sa:             # <<<<<<<<<<<<<<
@@ -33223,10 +33385,18 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_2)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_2)) break;
-              __pyx_t_1 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_1 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_2)) {
               if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
-              __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else {
               __pyx_t_1 = __pyx_t_9(__pyx_t_2);
               if (unlikely(!__pyx_t_1)) {
@@ -33242,7 +33412,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
             __pyx_v_a_i = __pyx_t_1;
             __pyx_t_1 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":201
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":201
  *             self.darray.write_enhanced_handle(f)
  *             for a_i in self.sa:
  *                 f.write("%d " % a_i)             # <<<<<<<<<<<<<<
@@ -33266,7 +33436,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
           }
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":202
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":202
  *             for a_i in self.sa:
  *                 f.write("%d " % a_i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -33280,7 +33450,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":203
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":203
  *                 f.write("%d " % a_i)
  *             f.write("\n")
  *             for w_i in self.ha:             # <<<<<<<<<<<<<<
@@ -33298,10 +33468,18 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_4)) break;
-              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_2 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_4)) {
               if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
-              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              __pyx_t_2 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_2); __pyx_t_8++; if (unlikely(0 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              #endif
             } else {
               __pyx_t_2 = __pyx_t_9(__pyx_t_4);
               if (unlikely(!__pyx_t_2)) {
@@ -33317,7 +33495,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
             __pyx_v_w_i = __pyx_t_2;
             __pyx_t_2 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":204
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":204
  *             f.write("\n")
  *             for w_i in self.ha:
  *                 f.write("%d " % w_i)             # <<<<<<<<<<<<<<
@@ -33341,7 +33519,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
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           __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":205
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":205
  *             for w_i in self.ha:
  *                 f.write("%d " % w_i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -33365,7 +33543,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
         __Pyx_XDECREF(__pyx_t_4); __pyx_t_4 = 0;
         __Pyx_XDECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":198
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":198
  * 
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
@@ -33463,7 +33641,7 @@ static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":207
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":207
  *             f.write("\n")
  * 
  *     cdef int __search_high(self, int word_id, int offset, int low, int high):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":210
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":210
  *         cdef int midpoint
  * 
  *         if low >= high:             # <<<<<<<<<<<<<<
@@ -33488,7 +33666,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_Suffix
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":211
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":211
  * 
  *         if low >= high:
  *             return high             # <<<<<<<<<<<<<<
@@ -33501,7 +33679,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_Suffix
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":212
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":212
  *         if low >= high:
  *             return high
  *         midpoint = (high + low) / 2             # <<<<<<<<<<<<<<
@@ -33510,7 +33688,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_Suffix
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   __pyx_v_midpoint = __Pyx_div_long((__pyx_v_high + __pyx_v_low), 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":213
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":213
  *             return high
  *         midpoint = (high + low) / 2
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@@ -33520,7 +33698,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_Suffix
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":214
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":214
  *         midpoint = (high + low) / 2
  *         if self.darray.data.arr[self.sa.arr[midpoint] + offset] == word_id:
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@@ -33533,7 +33711,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_Suffix
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":216
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":216
  *             return self.__search_high(word_id, offset, midpoint+1, high)
  *         else:
  *             return self.__search_high(word_id, offset, low, midpoint)             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":218
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":218
  *             return self.__search_high(word_id, offset, low, midpoint)
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  *     cdef int __search_low(self, int word_id, int offset, int low, int high):             # <<<<<<<<<<<<<<
@@ -33566,7 +33744,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
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   __Pyx_RefNannySetupContext("__search_low", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":221
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":221
  *         cdef int midpoint
  * 
  *         if low >= high:             # <<<<<<<<<<<<<<
@@ -33576,7 +33754,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
   __pyx_t_1 = (__pyx_v_low >= __pyx_v_high);
   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":222
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":222
  * 
  *         if low >= high:
  *             return high             # <<<<<<<<<<<<<<
@@ -33589,7 +33767,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":223
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":223
  *         if low >= high:
  *             return high
  *         midpoint = (high + low) / 2             # <<<<<<<<<<<<<<
@@ -33598,7 +33776,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
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   __pyx_v_midpoint = __Pyx_div_long((__pyx_v_high + __pyx_v_low), 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":224
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":224
  *             return high
  *         midpoint = (high + low) / 2
  *         if self.darray.data.arr[self.sa.arr[midpoint] + offset] == word_id:             # <<<<<<<<<<<<<<
@@ -33608,7 +33786,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":225
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":225
  *         midpoint = (high + low) / 2
  *         if self.darray.data.arr[self.sa.arr[midpoint] + offset] == word_id:
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@@ -33621,7 +33799,7 @@ static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixA
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":227
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":227
  *             return self.__search_low(word_id, offset, low, midpoint)
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  *             return self.__search_low(word_id, offset, midpoint+1, high)             # <<<<<<<<<<<<<<
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   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":229
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":229
  *             return self.__search_low(word_id, offset, midpoint+1, high)
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  *     cdef __get_range(self, int word_id, int offset, int low, int high, int midpoint):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":230
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":230
  * 
  *     cdef __get_range(self, int word_id, int offset, int low, int high, int midpoint):
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@@ -33669,7 +33847,7 @@ static PyObject *__pyx_f_3_sa_11SuffixArray___get_range(struct __pyx_obj_3_sa_Su
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   __Pyx_GOTREF(__pyx_t_1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":231
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":231
  *     cdef __get_range(self, int word_id, int offset, int low, int high, int midpoint):
  *         return (self.__search_low(word_id, offset, low, midpoint),
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@@ -33704,7 +33882,7 @@ static PyObject *__pyx_f_3_sa_11SuffixArray___get_range(struct __pyx_obj_3_sa_Su
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":233
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":233
  *                 self.__search_high(word_id, offset, midpoint, high))
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  *     cdef __lookup_helper(self, int word_id, int offset, int low, int high):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":236
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":236
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  *         if offset == 0:             # <<<<<<<<<<<<<<
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":237
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":237
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  *         if offset == 0:
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   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":238
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":238
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   if (__pyx_t_1) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":239
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":239
  *             return (self.ha.arr[word_id], self.ha.arr[word_id+1])
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   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":241
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":241
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  * 
  *         midpoint = (high + low) / 2             # <<<<<<<<<<<<<<
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   __pyx_v_midpoint = __Pyx_div_long((__pyx_v_high + __pyx_v_low), 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":242
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":242
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  *         midpoint = (high + low) / 2
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":40
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":67
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":68
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":71
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@@ -36030,35 +35304,35 @@ static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyO
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+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 0, 6, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":70
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":82
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":72
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":73
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":74
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":75
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":76
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":77
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":87
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":88
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":89
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":90
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":91
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-    __pyx_t_2 = PyInt_FromLong(__pyx_v_sample_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 91; __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 = 103; __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 = 91; __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 = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __Pyx_INCREF(((PyObject *)__pyx_kp_s_101));
-    PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_kp_s_101));
-    __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_101));
+    __Pyx_INCREF(((PyObject *)__pyx_kp_s_100));
+    PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_kp_s_100));
+    __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_100));
     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 = 91; __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 = 103; __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;
@@ -36300,19 +35572,19 @@ static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":93
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":105
  *             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 = 93; __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 = 105; __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 = 93; __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 = 105; __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_103), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 93; __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 = 105; __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;
@@ -36339,7 +35611,7 @@ 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 = 95; __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 = 107; __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:;
@@ -36349,7 +35621,7 @@ static PyObject *__pyx_pw_3_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":95
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":107
  *             logger.info("Sampling strategy: no sampling")
  * 
  *     def sample(self, PhraseLocation phrase_location):             # <<<<<<<<<<<<<<
@@ -36376,19 +35648,19 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("sample", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":108
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":120
  *         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 = 108; __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 = 120; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":109
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":121
  * 
  *         sample = IntList()
  *         if phrase_location.arr is None:             # <<<<<<<<<<<<<<
@@ -36398,7 +35670,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":110
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":122
  *         sample = IntList()
  *         if phrase_location.arr is None:
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low             # <<<<<<<<<<<<<<
@@ -36407,7 +35679,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":111
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":123
  *         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:             # <<<<<<<<<<<<<<
@@ -36423,7 +35695,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":112
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":124
  *             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)             # <<<<<<<<<<<<<<
@@ -36435,7 +35707,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":114
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":126
  *                 sample._extend_arr(self.sa.arr + phrase_location.sa_low, num_locations)
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)             # <<<<<<<<<<<<<<
@@ -36444,11 +35716,11 @@ 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 = 114; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __pyx_v_stepsize = (((double)__pyx_v_num_locations) / ((double)__pyx_v_self->sample_size));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":115
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":127
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.sa_low             # <<<<<<<<<<<<<<
@@ -36457,7 +35729,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       __pyx_v_i = __pyx_v_phrase_location->sa_low;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":116
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":128
  *                 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:             # <<<<<<<<<<<<<<
@@ -36474,7 +35746,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         if (!__pyx_t_3) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":119
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":131
  *                     '''Note: int(i) not guaranteed to have the desired
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
@@ -36484,7 +35756,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":120
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":132
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:
  *                         val = int(ceil(i))             # <<<<<<<<<<<<<<
@@ -36496,7 +35768,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":122
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":134
  *                         val = int(ceil(i))
  *                     else:
  *                         val = int(floor(i))             # <<<<<<<<<<<<<<
@@ -36507,7 +35779,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         __pyx_L7:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":123
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":135
  *                     else:
  *                         val = int(floor(i))
  *                     sample._append(self.sa.arr[val])             # <<<<<<<<<<<<<<
@@ -36516,7 +35788,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":124
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":136
  *                         val = int(floor(i))
  *                     sample._append(self.sa.arr[val])
  *                     i = i + stepsize             # <<<<<<<<<<<<<<
@@ -36531,7 +35803,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":126
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":138
  *                     i = i + stepsize
  *         else:
  *             num_locations = (phrase_location.arr_high - phrase_location.arr_low) / phrase_location.num_subpatterns             # <<<<<<<<<<<<<<
@@ -36541,15 +35813,15 @@ 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 = 126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 138; __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 = 126; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 138; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_v_num_locations = __Pyx_div_int(__pyx_t_5, __pyx_v_phrase_location->num_subpatterns);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":127
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":139
  *         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:             # <<<<<<<<<<<<<<
@@ -36565,7 +35837,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":128
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":140
  *             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             # <<<<<<<<<<<<<<
@@ -36579,7 +35851,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":130
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":142
  *                 sample = phrase_location.arr
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)             # <<<<<<<<<<<<<<
@@ -36588,11 +35860,11 @@ 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 = 142; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __pyx_v_stepsize = (((double)__pyx_v_num_locations) / ((double)__pyx_v_self->sample_size));
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":131
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":143
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)
  *                 i = phrase_location.arr_low             # <<<<<<<<<<<<<<
@@ -36601,7 +35873,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
  */
       __pyx_v_i = __pyx_v_phrase_location->arr_low;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":132
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":144
  *                 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:             # <<<<<<<<<<<<<<
@@ -36618,7 +35890,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         if (!__pyx_t_4) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":135
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":147
  *                     '''Note: int(i) not guaranteed to have the desired
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:             # <<<<<<<<<<<<<<
@@ -36628,7 +35900,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":136
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":148
  *                     effect, according to the python documentation'''
  *                     if fmod(i,1.0) > 0.5:
  *                         val = int(ceil(i))             # <<<<<<<<<<<<<<
@@ -36640,7 +35912,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":138
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":150
  *                         val = int(ceil(i))
  *                     else:
  *                         val = int(floor(i))             # <<<<<<<<<<<<<<
@@ -36651,7 +35923,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
         }
         __pyx_L11:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":139
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":151
  *                     else:
  *                         val = int(floor(i))
  *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)             # <<<<<<<<<<<<<<
@@ -36660,7 +35932,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":140
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":152
  *                         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)             # <<<<<<<<<<<<<<
@@ -36669,7 +35941,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":141
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":153
  *                     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             # <<<<<<<<<<<<<<
@@ -36683,7 +35955,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":142
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":154
  *                     sample._extend_arr(phrase_location.arr.arr + j, phrase_location.num_subpatterns)
  *                     i = i + stepsize
  *         return sample             # <<<<<<<<<<<<<<
@@ -36708,7 +35980,7 @@ static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":154
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":166
  * 
  * 
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):             # <<<<<<<<<<<<<<
@@ -36720,7 +35992,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":155
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":167
  * 
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):
  *     m.arr = arr             # <<<<<<<<<<<<<<
@@ -36729,7 +36001,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":156
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":168
  * cdef void assign_matching(Matching* m, int* arr, int start, int step, int* sent_id_arr):
  *     m.arr = arr
  *     m.start = start             # <<<<<<<<<<<<<<
@@ -36738,7 +36010,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":157
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":169
  *     m.arr = arr
  *     m.start = start
  *     m.end = start + step             # <<<<<<<<<<<<<<
@@ -36747,7 +36019,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":158
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":170
  *     m.start = start
  *     m.end = start + step
  *     m.sent_id = sent_id_arr[arr[start]]             # <<<<<<<<<<<<<<
@@ -36756,7 +36028,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":159
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":171
  *     m.end = start + step
  *     m.sent_id = sent_id_arr[arr[start]]
  *     m.size = step             # <<<<<<<<<<<<<<
@@ -36768,7 +36040,7 @@ static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m
   __Pyx_RefNannyFinishContext();
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":162
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":174
  * 
  * 
  * cdef int* append_combined_matching(int* arr, Matching* loc1, Matching* loc2,             # <<<<<<<<<<<<<<
@@ -36785,7 +36057,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":166
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":178
  *     cdef int i, new_len
  * 
  *     new_len = result_len[0] + num_subpatterns             # <<<<<<<<<<<<<<
@@ -36794,7 +36066,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":167
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":179
  * 
  *     new_len = result_len[0] + num_subpatterns
  *     arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -36803,7 +36075,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":169
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":181
  *     arr = <int*> realloc(arr, new_len*sizeof(int))
  * 
  *     for i from 0 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -36813,7 +36085,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":170
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":182
  * 
  *     for i from 0 <= i < loc1.size:
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]             # <<<<<<<<<<<<<<
@@ -36823,7 +36095,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":183
  *     for i from 0 <= i < loc1.size:
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]
  *     if num_subpatterns > loc1.size:             # <<<<<<<<<<<<<<
@@ -36833,7 +36105,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":172
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":184
  *         arr[result_len[0]+i] = loc1.arr[loc1.start+i]
  *     if num_subpatterns > loc1.size:
  *         arr[new_len-1] = loc2.arr[loc2.end-1]             # <<<<<<<<<<<<<<
@@ -36845,7 +36117,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":185
  *     if num_subpatterns > loc1.size:
  *         arr[new_len-1] = loc2.arr[loc2.end-1]
  *     result_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -36854,7 +36126,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":174
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":186
  *         arr[new_len-1] = loc2.arr[loc2.end-1]
  *     result_len[0] = new_len
  *     return arr             # <<<<<<<<<<<<<<
@@ -36870,7 +36142,7 @@ static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":177
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":189
  * 
  * 
  * cdef int* extend_arr(int* arr, int* arr_len, int* appendix, int appendix_len):             # <<<<<<<<<<<<<<
@@ -36884,7 +36156,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":180
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":192
  *     cdef int new_len
  * 
  *     new_len = arr_len[0] + appendix_len             # <<<<<<<<<<<<<<
@@ -36893,7 +36165,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":181
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":193
  * 
  *     new_len = arr_len[0] + appendix_len
  *     arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -36902,7 +36174,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":182
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":194
  *     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))             # <<<<<<<<<<<<<<
@@ -36911,7 +36183,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":183
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":195
  *     arr = <int*> realloc(arr, new_len*sizeof(int))
  *     memcpy(arr+arr_len[0], appendix, appendix_len*sizeof(int))
  *     arr_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -36920,7 +36192,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":184
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":196
  *     memcpy(arr+arr_len[0], appendix, appendix_len*sizeof(int))
  *     arr_len[0] = new_len
  *     return arr             # <<<<<<<<<<<<<<
@@ -36936,7 +36208,7 @@ static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":186
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":198
  *     return arr
  * 
  * cdef int median(int low, int high, int step):             # <<<<<<<<<<<<<<
@@ -36953,7 +36225,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":187
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":199
  * 
  * cdef int median(int low, int high, int step):
  *     return low + (((high - low)/step)/2)*step             # <<<<<<<<<<<<<<
@@ -36963,11 +36235,11 @@ 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 = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 199; __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 = 187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 199; __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;
@@ -36982,7 +36254,7 @@ static int __pyx_f_3_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_st
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":190
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":202
  * 
  * 
  * cdef void find_comparable_matchings(int low, int high, int* arr, int step, int loc, int* loc_minus, int* loc_plus):             # <<<<<<<<<<<<<<
@@ -36997,7 +36269,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":194
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":206
  *     # in which all matchings have the same first index as the one
  *     # starting at loc
  *     loc_plus[0] = loc + step             # <<<<<<<<<<<<<<
@@ -37006,7 +36278,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":195
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":207
  *     # starting at loc
  *     loc_plus[0] = loc + step
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:             # <<<<<<<<<<<<<<
@@ -37023,7 +36295,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":196
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":208
  *     loc_plus[0] = loc + step
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:
  *         loc_plus[0] = loc_plus[0] + step             # <<<<<<<<<<<<<<
@@ -37033,7 +36305,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":197
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":209
  *     while loc_plus[0] < high and arr[loc_plus[0]] == arr[loc]:
  *         loc_plus[0] = loc_plus[0] + step
  *     loc_minus[0] = loc             # <<<<<<<<<<<<<<
@@ -37042,7 +36314,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":198
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":210
  *         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]:             # <<<<<<<<<<<<<<
@@ -37059,7 +36331,7 @@ static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_
     }
     if (!__pyx_t_2) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":199
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":211
  *     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             # <<<<<<<<<<<<<<
@@ -37096,14 +36368,14 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
   int __pyx_v_use_baeza_yates;
   int __pyx_v_use_collocations;
   int __pyx_v_use_index;
-  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_104,&__pyx_n_s_105,&__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};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":259
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":271
  *             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,             # <<<<<<<<<<<<<<
@@ -37112,7 +36384,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[3] = ((PyObject *)Py_None);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":267
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":279
  *             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,             # <<<<<<<<<<<<<<
@@ -37121,7 +36393,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[7] = ((PyObject *)Py_None);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":269
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":281
  *             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,             # <<<<<<<<<<<<<<
@@ -37130,7 +36402,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
  */
     values[8] = ((PyObject *)Py_None);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":273
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":285
  *             unsigned min_gap_size=2,
  *             # filename of file containing precomputed collocations
  *             precompute_file=None,             # <<<<<<<<<<<<<<
@@ -37169,8 +36441,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alignment);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alignment)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
         if (kw_args > 0) {
@@ -37234,12 +36505,12 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
         }
         case 13:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_104);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_103);
           if (value) { values[13] = value; kw_args--; }
         }
         case 14:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_105);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_104);
           if (value) { values[14] = value; kw_args--; }
         }
         case 15:
@@ -37274,127 +36545,7 @@ 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 = 251; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
-      }
-      if (values[1]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":255
- *             Alignment alignment,
- *             # parameter for double-binary search; doesn't seem to matter much
- *             float by_slack_factor=1.0,             # <<<<<<<<<<<<<<
- *             # name of generic nonterminal used by Hiero
- *             char* category="[X]",
- */
-        __pyx_v_by_slack_factor = ((float)1.0);
-      }
-      if (values[2]) {
-      } else {
-        __pyx_v_category = ((char *)__pyx_k_106);
-      }
-      if (values[4]) {
-      } else {
-        __pyx_v_max_initial_size = ((unsigned int)10);
-      }
-      if (values[5]) {
-      } else {
-        __pyx_v_max_length = ((unsigned int)5);
-      }
-      if (values[6]) {
-      } else {
-        __pyx_v_max_nonterminals = ((unsigned int)2);
-      }
-      if (values[9]) {
-      } else {
-        __pyx_v_min_gap_size = ((unsigned int)2);
-      }
-      if (values[11]) {
-      } else {
-        __pyx_v_precompute_secondary_rank = ((unsigned int)20);
-      }
-      if (values[12]) {
-      } else {
-        __pyx_v_precompute_rank = ((unsigned int)100);
-      }
-      if (values[13]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":279
- *             unsigned precompute_rank=100,
- *             # require extracted rules to have at least one aligned word
- *             bint require_aligned_terminal=True,             # <<<<<<<<<<<<<<
- *             # require each contiguous chunk of extracted rules to have at least one aligned word
- *             bint require_aligned_chunks=False,
- */
-        __pyx_v_require_aligned_terminal = ((int)1);
-      }
-      if (values[14]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":281
- *             bint require_aligned_terminal=True,
- *             # require each contiguous chunk of extracted rules to have at least one aligned word
- *             bint require_aligned_chunks=False,             # <<<<<<<<<<<<<<
- *             # maximum span of a grammar rule extracted from TRAINING DATA
- *             unsigned train_max_initial_size=10,
- */
-        __pyx_v_require_aligned_chunks = ((int)0);
-      }
-      if (values[15]) {
-      } else {
-        __pyx_v_train_max_initial_size = ((unsigned int)10);
-      }
-      if (values[16]) {
-      } else {
-        __pyx_v_train_min_gap_size = ((unsigned int)2);
-      }
-      if (values[17]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":287
- *             unsigned train_min_gap_size=2,
- *             # True if phrases should be tight, False otherwise (False == slower but better results)
- *             bint tight_phrases=False,             # <<<<<<<<<<<<<<
- *             # True to require use of double-binary alg, false otherwise
- *             bint use_baeza_yates=True,
- */
-        __pyx_v_tight_phrases = ((int)0);
-      }
-      if (values[18]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":289
- *             bint tight_phrases=False,
- *             # True to require use of double-binary alg, false otherwise
- *             bint use_baeza_yates=True,             # <<<<<<<<<<<<<<
- *             # True to enable used of precomputed collocations
- *             bint use_collocations=True,
- */
-        __pyx_v_use_baeza_yates = ((int)1);
-      }
-      if (values[19]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":291
- *             bint use_baeza_yates=True,
- *             # True to enable used of precomputed collocations
- *             bint use_collocations=True,             # <<<<<<<<<<<<<<
- *             # True to enable use of precomputed inverted indices
- *             bint use_index=True):
- */
-        __pyx_v_use_collocations = ((int)1);
-      }
-      if (values[20]) {
-      } else {
-
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":293
- *             bint use_collocations=True,
- *             # True to enable use of precomputed inverted indices
- *             bint use_index=True):             # <<<<<<<<<<<<<<
- *         '''Note: we make a distinction between the min_gap_size
- *         and max_initial_size used in test and train.    The latter
- */
-        __pyx_v_use_index = ((int)1);
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 263; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -37425,10 +36576,10 @@ 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 = 255; __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 = 267; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":255
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":267
  *             Alignment alignment,
  *             # parameter for double-binary search; doesn't seem to matter much
  *             float by_slack_factor=1.0,             # <<<<<<<<<<<<<<
@@ -37438,49 +36589,49 @@ 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 = 257; __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 = 269; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
-      __pyx_v_category = ((char *)__pyx_k_106);
+      __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 = 261; __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 = 273; __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 = 263; __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 = 275; __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 = 265; __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 = 277; __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 = 271; __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 = 283; __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 = 275; __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 = 287; __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 = 277; __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 = 289; __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 = 279; __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 = 291; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":279
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":291
  *             unsigned precompute_rank=100,
  *             # require extracted rules to have at least one aligned word
  *             bint require_aligned_terminal=True,             # <<<<<<<<<<<<<<
@@ -37490,10 +36641,10 @@ 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 = 281; __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 = 293; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":281
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":293
  *             bint require_aligned_terminal=True,
  *             # require each contiguous chunk of extracted rules to have at least one aligned word
  *             bint require_aligned_chunks=False,             # <<<<<<<<<<<<<<
@@ -37503,20 +36654,20 @@ 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 = 283; __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 = 295; __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 = 285; __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 = 297; __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 = 287; __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 = 299; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":287
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":299
  *             unsigned train_min_gap_size=2,
  *             # True if phrases should be tight, False otherwise (False == slower but better results)
  *             bint tight_phrases=False,             # <<<<<<<<<<<<<<
@@ -37526,10 +36677,10 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
       __pyx_v_tight_phrases = ((int)0);
     }
     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 = 289; __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 = 301; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":289
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":301
  *             bint tight_phrases=False,
  *             # True to require use of double-binary alg, false otherwise
  *             bint use_baeza_yates=True,             # <<<<<<<<<<<<<<
@@ -37539,10 +36690,10 @@ 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 = 291; __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 = 303; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":291
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":303
  *             bint use_baeza_yates=True,
  *             # True to enable used of precomputed collocations
  *             bint use_collocations=True,             # <<<<<<<<<<<<<<
@@ -37552,10 +36703,10 @@ 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 = 293; __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 = 305; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":293
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":305
  *             bint use_collocations=True,
  *             # True to enable use of precomputed inverted indices
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   goto __pyx_L4_argument_unpacking_done;
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-  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 1, 21, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 251; __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 = 263; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_alignment), __pyx_ptype_3_sa_Alignment, 1, "alignment", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 265; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -37583,7 +36734,7 @@ static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":251
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":263
  *     cdef IntList findexes1
  * 
  *     def __cinit__(self,             # <<<<<<<<<<<<<<
@@ -37605,21 +36756,21 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":299
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":311
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-  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 299; __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 = 311; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 299; __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 = 311; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __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 = 299; __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 = 311; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -37628,20 +36779,20 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":300
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":312
  *         them to be the same, therefore we don't either.'''
  *         self.rules = TrieTable(True) # cache
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())             # <<<<<<<<<<<<<<
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-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 300; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __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 = 300; __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 = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 300; __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 = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __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 = 300; __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 = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -37650,7 +36801,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":301
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":313
  *         self.rules = TrieTable(True) # cache
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:             # <<<<<<<<<<<<<<
@@ -37660,23 +36811,23 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":302
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":314
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")             # <<<<<<<<<<<<<<
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-    __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_108), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 302; __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 = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":303
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":315
  *         if alignment is None:
  *             raise Exception("Must specify an alignment object")
  *         self.alignment = alignment             # <<<<<<<<<<<<<<
@@ -37689,7 +36840,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":307
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":319
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  *         self.max_length = max_length             # <<<<<<<<<<<<<<
@@ -37698,7 +36849,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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   __pyx_v_self->max_length = __pyx_v_max_length;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":308
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":320
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  *         self.max_nonterminals = max_nonterminals             # <<<<<<<<<<<<<<
@@ -37707,7 +36858,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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   __pyx_v_self->max_nonterminals = __pyx_v_max_nonterminals;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":309
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":321
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  *         self.max_nonterminals = max_nonterminals
  *         self.max_initial_size = max_initial_size             # <<<<<<<<<<<<<<
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   __pyx_v_self->max_initial_size = __pyx_v_max_initial_size;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":310
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":322
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  *         self.max_initial_size = max_initial_size
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@@ -37725,7 +36876,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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   __pyx_v_self->train_max_initial_size = __pyx_v_train_max_initial_size;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":311
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":323
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  *         self.min_gap_size = min_gap_size             # <<<<<<<<<<<<<<
@@ -37734,7 +36885,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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   __pyx_v_self->min_gap_size = __pyx_v_min_gap_size;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":312
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":324
  *         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             # <<<<<<<<<<<<<<
@@ -37743,20 +36894,20 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":313
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":325
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  *         self.train_min_gap_size = train_min_gap_size
  *         self.category = sym_fromstring(category, False)             # <<<<<<<<<<<<<<
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-  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_fromstring); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 313; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_fromstring); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_1 = PyBytes_FromString(__pyx_v_category); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 313; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyBytes_FromString(__pyx_v_category); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_4 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 313; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 313; __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 = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -37764,15 +36915,15 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
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-  __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 313; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_t_4); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 325; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":315
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":327
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   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":316
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":328
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@@ -37794,19 +36945,19 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":318
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":330
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-    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_chunks); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 318; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_chunks); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":320
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":332
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  * 
  *         if max_target_chunks is None:             # <<<<<<<<<<<<<<
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   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":321
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":333
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  *         if max_target_chunks is None:
  *             self.max_target_chunks = self.max_nonterminals + 1             # <<<<<<<<<<<<<<
@@ -37828,19 +36979,19 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":323
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":335
  *             self.max_target_chunks = self.max_nonterminals + 1
  *         else:
  *             self.max_target_chunks = max_target_chunks             # <<<<<<<<<<<<<<
  * 
  *         if max_target_length is None:
  */
-    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_target_chunks); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 323; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_target_chunks); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 335; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->max_target_chunks = __pyx_t_6;
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":325
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":337
  *             self.max_target_chunks = max_target_chunks
  * 
  *         if max_target_length is None:             # <<<<<<<<<<<<<<
@@ -37850,7 +37001,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":326
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":338
  * 
  *         if max_target_length is None:
  *             self.max_target_length = max_initial_size             # <<<<<<<<<<<<<<
@@ -37862,26 +37013,26 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":328
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":340
  *             self.max_target_length = max_initial_size
  *         else:
  *             self.max_target_length = max_target_length             # <<<<<<<<<<<<<<
  * 
  *         # algorithmic parameters and settings
  */
-    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_target_length); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 328; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyInt_AsInt(__pyx_v_max_target_length); if (unlikely((__pyx_t_6 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_self->max_target_length = __pyx_t_6;
   }
   __pyx_L6:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":331
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":343
  * 
  *         # algorithmic parameters and settings
  *         self.precomputed_collocations = {}             # <<<<<<<<<<<<<<
  *         self.precomputed_index = {}
  *         self.use_index = use_index
  */
-  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 331; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 343; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
   __Pyx_GOTREF(__pyx_v_self->precomputed_collocations);
@@ -37889,14 +37040,14 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->precomputed_collocations = ((PyObject *)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":332
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":344
  *         # algorithmic parameters and settings
  *         self.precomputed_collocations = {}
  *         self.precomputed_index = {}             # <<<<<<<<<<<<<<
  *         self.use_index = use_index
  *         self.use_collocations = use_collocations
  */
-  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 332; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 344; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
   __Pyx_GOTREF(__pyx_v_self->precomputed_index);
@@ -37904,7 +37055,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->precomputed_index = ((PyObject *)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":333
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":345
  *         self.precomputed_collocations = {}
  *         self.precomputed_index = {}
  *         self.use_index = use_index             # <<<<<<<<<<<<<<
@@ -37913,7 +37064,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_index = __pyx_v_use_index;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":334
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":346
  *         self.precomputed_index = {}
  *         self.use_index = use_index
  *         self.use_collocations = use_collocations             # <<<<<<<<<<<<<<
@@ -37922,14 +37073,14 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_collocations = __pyx_v_use_collocations;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":335
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":347
  *         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_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 335; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 347; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
   __Pyx_GIVEREF(((PyObject *)__pyx_t_4));
   __Pyx_GOTREF(__pyx_v_self->max_rank);
@@ -37937,7 +37088,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->max_rank = ((PyObject *)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":336
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":348
  *         self.use_collocations = use_collocations
  *         self.max_rank = {}
  *         self.precompute_file = precompute_file             # <<<<<<<<<<<<<<
@@ -37950,7 +37101,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":337
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":349
  *         self.max_rank = {}
  *         self.precompute_file = precompute_file
  *         self.precompute_rank = precompute_rank             # <<<<<<<<<<<<<<
@@ -37959,7 +37110,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->precompute_rank = __pyx_v_precompute_rank;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":338
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":350
  *         self.precompute_file = precompute_file
  *         self.precompute_rank = precompute_rank
  *         self.precompute_secondary_rank = precompute_secondary_rank             # <<<<<<<<<<<<<<
@@ -37968,7 +37119,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->precompute_secondary_rank = __pyx_v_precompute_secondary_rank;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":339
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":351
  *         self.precompute_rank = precompute_rank
  *         self.precompute_secondary_rank = precompute_secondary_rank
  *         self.use_baeza_yates = use_baeza_yates             # <<<<<<<<<<<<<<
@@ -37977,7 +37128,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->use_baeza_yates = __pyx_v_use_baeza_yates;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":340
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":352
  *         self.precompute_secondary_rank = precompute_secondary_rank
  *         self.use_baeza_yates = use_baeza_yates
  *         self.by_slack_factor = by_slack_factor             # <<<<<<<<<<<<<<
@@ -37986,7 +37137,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   __pyx_v_self->by_slack_factor = __pyx_v_by_slack_factor;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":341
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":353
  *         self.use_baeza_yates = use_baeza_yates
  *         self.by_slack_factor = by_slack_factor
  *         if tight_phrases:             # <<<<<<<<<<<<<<
@@ -37995,7 +37146,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   if (__pyx_v_tight_phrases) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":342
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":354
  *         self.by_slack_factor = by_slack_factor
  *         if tight_phrases:
  *             self.tight_phrases = 1             # <<<<<<<<<<<<<<
@@ -38007,7 +37158,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":344
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":356
  *             self.tight_phrases = 1
  *         else:
  *             self.tight_phrases = 0             # <<<<<<<<<<<<<<
@@ -38018,7 +37169,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   __pyx_L7:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":346
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":358
  *             self.tight_phrases = 0
  * 
  *         if require_aligned_chunks:             # <<<<<<<<<<<<<<
@@ -38027,7 +37178,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   if (__pyx_v_require_aligned_chunks) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":348
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":360
  *         if require_aligned_chunks:
  *             # one condition is a stronger version of the other.
  *             self.require_aligned_chunks = 1             # <<<<<<<<<<<<<<
@@ -38036,7 +37187,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
     __pyx_v_self->require_aligned_chunks = 1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":349
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":361
  *             # one condition is a stronger version of the other.
  *             self.require_aligned_chunks = 1
  *             self.require_aligned_terminal = 1             # <<<<<<<<<<<<<<
@@ -38047,7 +37198,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
     goto __pyx_L8;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":350
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":362
  *             self.require_aligned_chunks = 1
  *             self.require_aligned_terminal = 1
  *         elif require_aligned_terminal:             # <<<<<<<<<<<<<<
@@ -38056,7 +37207,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
   if (__pyx_v_require_aligned_terminal) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":351
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":363
  *             self.require_aligned_terminal = 1
  *         elif require_aligned_terminal:
  *             self.require_aligned_chunks = 0             # <<<<<<<<<<<<<<
@@ -38065,7 +37216,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
     __pyx_v_self->require_aligned_chunks = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":352
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":364
  *         elif require_aligned_terminal:
  *             self.require_aligned_chunks = 0
  *             self.require_aligned_terminal = 1             # <<<<<<<<<<<<<<
@@ -38077,7 +37228,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":354
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":366
  *             self.require_aligned_terminal = 1
  *         else:
  *             self.require_aligned_chunks = 0             # <<<<<<<<<<<<<<
@@ -38086,7 +37237,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
  */
     __pyx_v_self->require_aligned_chunks = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":355
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":367
  *         else:
  *             self.require_aligned_chunks = 0
  *             self.require_aligned_terminal = 0             # <<<<<<<<<<<<<<
@@ -38097,7 +37248,7 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   }
   __pyx_L8:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":359
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":371
  * 
  *         # diagnostics
  *         self.prev_norm_prefix = ()             # <<<<<<<<<<<<<<
@@ -38110,17 +37261,17 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":361
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":373
  *         self.prev_norm_prefix = ()
  * 
  *         self.findexes = IntList(initial_len=10)             # <<<<<<<<<<<<<<
  *         self.findexes1 = IntList(initial_len=10)
  * 
  */
-  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 361; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_4));
-  if (PyDict_SetItem(__pyx_t_4, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 361; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 361; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_4, ((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_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
   __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
   __Pyx_GIVEREF(__pyx_t_5);
@@ -38129,17 +37280,17 @@ static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_
   __pyx_v_self->findexes = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_5);
   __pyx_t_5 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":362
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":374
  * 
  *         self.findexes = IntList(initial_len=10)
  *         self.findexes1 = IntList(initial_len=10)             # <<<<<<<<<<<<<<
  * 
  *     def configure(self, SuffixArray fsarray, DataArray edarray,
  */
-  __pyx_t_5 = PyDict_New(); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 362; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyDict_New(); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_5));
-  if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 362; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 362; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__initial_len), __pyx_int_10) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
   __Pyx_GIVEREF(__pyx_t_4);
@@ -38170,11 +37321,11 @@ static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure(PyObject *__
   struct __pyx_obj_3_sa_DataArray *__pyx_v_edarray = 0;
   struct __pyx_obj_3_sa_Sampler *__pyx_v_sampler = 0;
   struct __pyx_obj_3_sa_Scorer *__pyx_v_scorer = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__fsarray,&__pyx_n_s__edarray,&__pyx_n_s__sampler,&__pyx_n_s__scorer,0};
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
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+  __Pyx_RaiseArgtupleInvalid("configure", 1, 4, 4, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_scorer), __pyx_ptype_3_sa_Scorer, 1, "scorer", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 377; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":364
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":376
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":369
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":381
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":370
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":382
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":371
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":383
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":372
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":384
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":373
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":374
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":375
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":387
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":376
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":388
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":378
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":390
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":382
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+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":383
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":395
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+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 395; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_3 = PyInt_FromLong(__pyx_v_N); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 395; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":384
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":396
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":385
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+    __pyx_t_7 = __Pyx_PyInt_AsInt(__pyx_t_5); if (unlikely((__pyx_t_7 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":386
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":398
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":387
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":399
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":390
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":402
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":392
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":404
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":393
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":405
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":394
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":406
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":395
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":396
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":397
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":399
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":400
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":401
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":403
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":415
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":406
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":407
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":408
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":420
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":409
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":410
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":412
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  *                 logger.warn("Precomputation done with max nonterminals %d, decoder uses %d", pre.max_nonterminals, self.max_nonterminals)
  *             if pre.max_length != self.max_length:             # <<<<<<<<<<<<<<
@@ -39243,34 +38404,34 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
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     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":432
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":444
  *                 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))
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+      __pyx_t_5 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__warn); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_3 = PyInt_FromLong(__pyx_v_pre->max_length); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_4 = PyInt_FromLong(__pyx_v_self->max_length); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_2 = PyTuple_New(3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_kp_s_111));
-      __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_111));
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_110));
+      PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_kp_s_110));
+      __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_110));
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+      __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -39279,7 +38440,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":433
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":445
  *             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:             # <<<<<<<<<<<<<<
@@ -39289,18 +38450,18 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":434
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":446
  *                 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:
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  *                 raise Exception("Precomputation done with min gap size %d, decoder uses %d" % (pre.train_min_gap_size, self.train_min_gap_size))
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+      __pyx_t_4 = PyInt_FromLong(__pyx_v_pre->train_max_initial_size); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_2 = PyInt_FromLong(__pyx_v_self->train_max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 434; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong(__pyx_v_self->train_max_initial_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 434; __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 = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_GIVEREF(__pyx_t_4);
@@ -39308,25 +38469,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
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+      __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_2 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 434; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 446; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":435
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":447
  *             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))
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@@ -39336,18 +38497,18 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":436
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":448
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  *             if pre.train_min_gap_size != self.train_min_gap_size:
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+      __pyx_t_2 = PyInt_FromLong(__pyx_v_pre->train_min_gap_size); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_5 = PyInt_FromLong(__pyx_v_self->train_min_gap_size); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -39355,25 +38516,25 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __py
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-      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 436; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 448; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":437
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":449
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":438
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":450
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":455
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":467
  *         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)             # <<<<<<<<<<<<<<
@@ -39871,26 +38923,26 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
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  */
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-    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr), __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __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 = 455; __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 = 455; __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 = 455; __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 = 467; __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 = 467; __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 = 467; __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 = 467; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__arr_high), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 455; __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 = 467; __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 = 455; __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 = 467; __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 = 455; __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 = 467; __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 = 455; __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 = 467; __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 = 455; __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 = 467; __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 = 455; __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 = 467; __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;
@@ -39900,7 +38952,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":456
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":468
  *             arr = self.precomputed_collocations[phrase]
  *             return PhraseLocation(arr=arr, arr_low=0, arr_high=len(arr), num_subpatterns=phrase.arity()+1)
  *         return None             # <<<<<<<<<<<<<<
@@ -39927,7 +38979,7 @@ static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collo
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":459
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":471
  * 
  * 
  *     cdef int* baeza_yates_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -39973,7 +39025,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("baeza_yates_helper", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":472
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":484
  *         cdef Matching loc1, loc2
  * 
  *         result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
@@ -39982,7 +39034,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_result = ((int *)malloc((0 * (sizeof(int *)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":474
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":486
  *         result = <int*> malloc(0*sizeof(int*))
  * 
  *         d_first = 0             # <<<<<<<<<<<<<<
@@ -39991,7 +39043,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_d_first = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":475
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":487
  * 
  *         d_first = 0
  *         if high1 - low1 > high2 - low2:             # <<<<<<<<<<<<<<
@@ -40001,7 +39053,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":476
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":488
  *         d_first = 0
  *         if high1 - low1 > high2 - low2:
  *             d_first = 1             # <<<<<<<<<<<<<<
@@ -40013,7 +39065,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":480
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":492
  *         # 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:             # <<<<<<<<<<<<<<
@@ -40029,7 +39081,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":481
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":493
  *         # Case 1: one of the sets is empty
  *         if low1 >= high1 or low2 >= high2:
  *             return result             # <<<<<<<<<<<<<<
@@ -40042,7 +39094,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":484
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":496
  * 
  *         # Case 2: sets are non-overlapping
  *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40051,7 +39103,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":485
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":497
  *         # 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)             # <<<<<<<<<<<<<<
@@ -40060,7 +39112,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":486
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":498
  *         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:             # <<<<<<<<<<<<<<
@@ -40070,7 +39122,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":487
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":499
  *         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             # <<<<<<<<<<<<<<
@@ -40083,7 +39135,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":489
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":501
  *             return result
  * 
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40092,7 +39144,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":490
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":502
  * 
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
  *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40101,7 +39153,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":491
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":503
  *         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:             # <<<<<<<<<<<<<<
@@ -40111,7 +39163,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":492
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":504
  *         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             # <<<<<<<<<<<<<<
@@ -40124,7 +39176,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L6:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":496
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":508
  *         # Case 3: query set and data set do not meet size mismatch constraints;
  *         # We use mergesort instead in this case
  *         qsetsize = (high1-low1) / step1             # <<<<<<<<<<<<<<
@@ -40134,15 +39186,15 @@ 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 = 496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 508; __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 = 496; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_v_qsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":497
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":509
  *         # We use mergesort instead in this case
  *         qsetsize = (high1-low1) / step1
  *         dsetsize = (high2-low2) / step2             # <<<<<<<<<<<<<<
@@ -40152,15 +39204,15 @@ 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 = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 509; __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 = 497; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 509; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_v_dsetsize = __Pyx_div_int(__pyx_t_4, __pyx_v_step2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":498
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":510
  *         qsetsize = (high1-low1) / step1
  *         dsetsize = (high2-low2) / step2
  *         if d_first:             # <<<<<<<<<<<<<<
@@ -40169,7 +39221,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   if (__pyx_v_d_first) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":499
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":511
  *         dsetsize = (high2-low2) / step2
  *         if d_first:
  *             tmp = qsetsize             # <<<<<<<<<<<<<<
@@ -40178,7 +39230,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_tmp = __pyx_v_qsetsize;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":500
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":512
  *         if d_first:
  *             tmp = qsetsize
  *             qsetsize = dsetsize             # <<<<<<<<<<<<<<
@@ -40187,7 +39239,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_qsetsize = __pyx_v_dsetsize;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":501
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":513
  *             tmp = qsetsize
  *             qsetsize = dsetsize
  *             dsetsize = tmp             # <<<<<<<<<<<<<<
@@ -40199,7 +39251,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L7:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":503
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":515
  *             dsetsize = tmp
  * 
  *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:             # <<<<<<<<<<<<<<
@@ -40210,12 +39262,12 @@ 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 = 503; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[8]; __pyx_lineno = 515; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
   __pyx_t_3 = ((__pyx_t_5 / __pyx_t_6) > __pyx_v_dsetsize);
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":504
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":516
  * 
  *         if self.by_slack_factor * qsetsize * log(dsetsize) / log(2) > dsetsize:
  *             free(result)             # <<<<<<<<<<<<<<
@@ -40224,7 +39276,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     free(__pyx_v_result);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":505
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
  *         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)             # <<<<<<<<<<<<<<
@@ -40237,7 +39289,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L8:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":509
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":521
  *         # binary search.    There are two flavors, depending on
  *         # whether the queryset or dataset is first
  *         if d_first:             # <<<<<<<<<<<<<<
@@ -40246,7 +39298,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   if (__pyx_v_d_first) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":510
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":522
  *         # whether the queryset or dataset is first
  *         if d_first:
  *             med2 = median(low2, high2, step2)             # <<<<<<<<<<<<<<
@@ -40255,7 +39307,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":511
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":523
  *         if d_first:
  *             med2 = median(low2, high2, step2)
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40264,7 +39316,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":513
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":525
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  * 
  *             search_low = low1             # <<<<<<<<<<<<<<
@@ -40273,7 +39325,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_low = __pyx_v_low1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":514
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":526
  * 
  *             search_low = low1
  *             search_high = high1             # <<<<<<<<<<<<<<
@@ -40282,7 +39334,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_high = __pyx_v_high1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":515
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":527
  *             search_low = low1
  *             search_high = high1
  *             while search_low < search_high:             # <<<<<<<<<<<<<<
@@ -40293,7 +39345,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":516
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":528
  *             search_high = high1
  *             while search_low < search_high:
  *                 med1 = median(search_low, search_high, step1)             # <<<<<<<<<<<<<<
@@ -40302,7 +39354,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":517
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":529
  *             while search_low < search_high:
  *                 med1 = median(search_low, search_high, step1)
  *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
@@ -40311,7 +39363,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":518
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":530
  *                 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)             # <<<<<<<<<<<<<<
@@ -40320,7 +39372,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":521
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
  *                 if comparison == -1:
  *                     search_low = med1_plus
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40329,7 +39381,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       switch (__pyx_v_comparison) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":519
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":531
  *                 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:             # <<<<<<<<<<<<<<
@@ -40338,7 +39390,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case -1:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":520
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":532
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  *                     search_low = med1_plus             # <<<<<<<<<<<<<<
@@ -40348,7 +39400,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_v_search_low = __pyx_v_med1_plus;
         break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":521
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
  *                 if comparison == -1:
  *                     search_low = med1_plus
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40357,7 +39409,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case 1:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":522
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":534
  *                     search_low = med1_plus
  *                 elif comparison == 1:
  *                     search_high = med1_minus             # <<<<<<<<<<<<<<
@@ -40368,7 +39420,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         break;
         default:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":524
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":536
  *                     search_high = med1_minus
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -40384,7 +39436,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":526
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":538
  *                     break
  *         else:
  *             med1 = median(low1, high1, step1)             # <<<<<<<<<<<<<<
@@ -40393,7 +39445,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":527
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":539
  *         else:
  *             med1 = median(low1, high1, step1)
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)             # <<<<<<<<<<<<<<
@@ -40402,7 +39454,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":529
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":541
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  * 
  *             search_low = low2             # <<<<<<<<<<<<<<
@@ -40411,7 +39463,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_low = __pyx_v_low2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":530
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":542
  * 
  *             search_low = low2
  *             search_high = high2             # <<<<<<<<<<<<<<
@@ -40420,7 +39472,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_search_high = __pyx_v_high2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":531
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":543
  *             search_low = low2
  *             search_high = high2
  *             while search_low < search_high:             # <<<<<<<<<<<<<<
@@ -40431,7 +39483,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":532
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":544
  *             search_high = high2
  *             while search_low < search_high:
  *                 med2 = median(search_low, search_high, step2)             # <<<<<<<<<<<<<<
@@ -40440,7 +39492,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":533
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":545
  *             while search_low < search_high:
  *                 med2 = median(search_low, search_high, step2)
  *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40449,7 +39501,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":534
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":546
  *                 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)             # <<<<<<<<<<<<<<
@@ -40458,7 +39510,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":537
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":549
  *                 if comparison == -1:
  *                     search_high = med2
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40467,7 +39519,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       switch (__pyx_v_comparison) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":535
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":547
  *                 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:             # <<<<<<<<<<<<<<
@@ -40476,7 +39528,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case -1:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":536
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":548
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  *                     search_high = med2             # <<<<<<<<<<<<<<
@@ -40486,7 +39538,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_v_search_high = __pyx_v_med2;
         break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":537
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":549
  *                 if comparison == -1:
  *                     search_high = med2
  *                 elif comparison == 1:             # <<<<<<<<<<<<<<
@@ -40495,7 +39547,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         case 1:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":538
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":550
  *                     search_high = med2
  *                 elif comparison == 1:
  *                     search_low = med2 + step2             # <<<<<<<<<<<<<<
@@ -40506,7 +39558,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         break;
         default:
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":540
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":552
  *                     search_low = med2 + step2
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -40521,7 +39573,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L9:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":542
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":554
  *                     break
  * 
  *         med_result_len = 0             # <<<<<<<<<<<<<<
@@ -40530,7 +39582,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_med_result_len = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":543
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":555
  * 
  *         med_result_len = 0
  *         med_result = <int*> malloc(0*sizeof(int*))             # <<<<<<<<<<<<<<
@@ -40539,7 +39591,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_med_result = ((int *)malloc((0 * (sizeof(int *)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":544
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":556
  *         med_result_len = 0
  *         med_result = <int*> malloc(0*sizeof(int*))
  *         if search_high > search_low:             # <<<<<<<<<<<<<<
@@ -40549,7 +39601,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":550
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":562
  *             # want to store the bindings for all of those elements.    We can
  *             # subsequently throw all of them away.
  *             med2_minus = med2             # <<<<<<<<<<<<<<
@@ -40558,7 +39610,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_minus = __pyx_v_med2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":551
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":563
  *             # subsequently throw all of them away.
  *             med2_minus = med2
  *             med2_plus = med2 + step2             # <<<<<<<<<<<<<<
@@ -40567,7 +39619,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_plus = (__pyx_v_med2 + __pyx_v_step2);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":552
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":564
  *             med2_minus = med2
  *             med2_plus = med2 + step2
  *             i1 = med1_minus             # <<<<<<<<<<<<<<
@@ -40576,7 +39628,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_i1 = __pyx_v_med1_minus;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":553
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":565
  *             med2_plus = med2 + step2
  *             i1 = med1_minus
  *             while i1 < med1_plus:             # <<<<<<<<<<<<<<
@@ -40587,7 +39639,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":554
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":566
  *             i1 = med1_minus
  *             while i1 < med1_plus:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40596,7 +39648,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":555
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":567
  *             while i1 < med1_plus:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 while med2_minus-step2 >= low2:             # <<<<<<<<<<<<<<
@@ -40607,7 +39659,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":556
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":568
  *                 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)             # <<<<<<<<<<<<<<
@@ -40616,7 +39668,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":557
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":569
  *                 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:             # <<<<<<<<<<<<<<
@@ -40626,7 +39678,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":558
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":570
  *                     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             # <<<<<<<<<<<<<<
@@ -40638,7 +39690,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":560
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":572
  *                         med2_minus = med2_minus - step2
  *                     else:
  *                         break             # <<<<<<<<<<<<<<
@@ -40651,7 +39703,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L18_break:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":561
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":573
  *                     else:
  *                         break
  *                 i2 = med2_minus             # <<<<<<<<<<<<<<
@@ -40660,7 +39712,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_i2 = __pyx_v_med2_minus;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":562
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":574
  *                         break
  *                 i2 = med2_minus
  *                 while i2 < high2:             # <<<<<<<<<<<<<<
@@ -40671,7 +39723,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":563
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":575
  *                 i2 = med2_minus
  *                 while i2 < high2:
  *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -40680,7 +39732,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":564
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":576
  *                 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)             # <<<<<<<<<<<<<<
@@ -40689,7 +39741,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":565
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":577
  *                     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:             # <<<<<<<<<<<<<<
@@ -40699,7 +39751,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (__pyx_v_comparison == 0);
         if (__pyx_t_3) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":567
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":579
  *                     if comparison == 0:
  *                         pass
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)             # <<<<<<<<<<<<<<
@@ -40711,7 +39763,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         __pyx_L22:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":568
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":580
  *                         pass
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
  *                     if comparison == -1:             # <<<<<<<<<<<<<<
@@ -40721,7 +39773,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         __pyx_t_3 = (__pyx_v_comparison == -1);
         if (__pyx_t_3) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":569
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":581
  *                         med_result = append_combined_matching(med_result, &loc1, &loc2, offset_by_one, num_subpatterns, &med_result_len)
  *                     if comparison == -1:
  *                         break             # <<<<<<<<<<<<<<
@@ -40733,7 +39785,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
         }
         __pyx_L23:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":570
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":582
  *                     if comparison == -1:
  *                         break
  *                     i2 = i2 + step2             # <<<<<<<<<<<<<<
@@ -40744,7 +39796,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L21_break:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":571
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":583
  *                         break
  *                     i2 = i2 + step2
  *                 if i2 > med2_plus:             # <<<<<<<<<<<<<<
@@ -40754,7 +39806,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":572
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":584
  *                     i2 = i2 + step2
  *                 if i2 > med2_plus:
  *                     med2_plus = i2             # <<<<<<<<<<<<<<
@@ -40766,7 +39818,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L24:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":573
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":585
  *                 if i2 > med2_plus:
  *                     med2_plus = i2
  *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -40776,7 +39828,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_v_i1 = (__pyx_v_i1 + __pyx_v_step1);
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":575
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":587
  *                 i1 = i1 + step1
  * 
  *             tmp = med1_minus             # <<<<<<<<<<<<<<
@@ -40785,7 +39837,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_tmp = __pyx_v_med1_minus;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":576
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":588
  * 
  *             tmp = med1_minus
  *             med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -40794,7 +39846,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med1_minus = __pyx_v_med1_plus;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":577
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":589
  *             tmp = med1_minus
  *             med1_minus = med1_plus
  *             med1_plus = tmp             # <<<<<<<<<<<<<<
@@ -40806,7 +39858,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":580
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":592
  *         else:
  *             # No match; need to figure out the point of division in D and Q
  *             med2_minus = med2             # <<<<<<<<<<<<<<
@@ -40815,7 +39867,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_minus = __pyx_v_med2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":581
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":593
  *             # No match; need to figure out the point of division in D and Q
  *             med2_minus = med2
  *             med2_plus = med2             # <<<<<<<<<<<<<<
@@ -40824,7 +39876,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     __pyx_v_med2_plus = __pyx_v_med2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":582
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":594
  *             med2_minus = med2
  *             med2_plus = med2
  *             if d_first:             # <<<<<<<<<<<<<<
@@ -40833,7 +39885,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
     if (__pyx_v_d_first) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":583
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":595
  *             med2_plus = med2
  *             if d_first:
  *                 med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
@@ -40842,7 +39894,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":584
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":596
  *             if d_first:
  *                 med2_minus = med2_minus + step2
  *                 if comparison == -1:             # <<<<<<<<<<<<<<
@@ -40852,7 +39904,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == -1);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":585
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":597
  *                 med2_minus = med2_minus + step2
  *                 if comparison == -1:
  *                     med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -40864,7 +39916,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       }
       __pyx_L26:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":586
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":598
  *                 if comparison == -1:
  *                     med1_minus = med1_plus
  *                 if comparison == 1:             # <<<<<<<<<<<<<<
@@ -40874,7 +39926,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == 1);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":587
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":599
  *                     med1_minus = med1_plus
  *                 if comparison == 1:
  *                     med1_plus = med1_minus             # <<<<<<<<<<<<<<
@@ -40889,7 +39941,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":589
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":601
  *                     med1_plus = med1_minus
  *             else:
  *                 tmp = med1_minus             # <<<<<<<<<<<<<<
@@ -40898,7 +39950,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_tmp = __pyx_v_med1_minus;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":590
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":602
  *             else:
  *                 tmp = med1_minus
  *                 med1_minus = med1_plus             # <<<<<<<<<<<<<<
@@ -40907,7 +39959,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med1_minus = __pyx_v_med1_plus;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":591
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":603
  *                 tmp = med1_minus
  *                 med1_minus = med1_plus
  *                 med1_plus = tmp             # <<<<<<<<<<<<<<
@@ -40916,7 +39968,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
       __pyx_v_med1_plus = __pyx_v_tmp;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":592
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":604
  *                 med1_minus = med1_plus
  *                 med1_plus = tmp
  *                 if comparison == 1:             # <<<<<<<<<<<<<<
@@ -40926,7 +39978,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
       __pyx_t_3 = (__pyx_v_comparison == 1);
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":593
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":605
  *                 med1_plus = tmp
  *                 if comparison == 1:
  *                     med2_minus = med2_minus + step2             # <<<<<<<<<<<<<<
@@ -40935,7 +39987,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
         __pyx_v_med2_minus = (__pyx_v_med2_minus + __pyx_v_step2);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":594
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":606
  *                 if comparison == 1:
  *                     med2_minus = med2_minus + step2
  *                     med2_plus = med2_plus + step2             # <<<<<<<<<<<<<<
@@ -40951,7 +40003,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   }
   __pyx_L14:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":596
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":608
  *                     med2_plus = med2_plus + step2
  * 
  *         low_result_len = 0             # <<<<<<<<<<<<<<
@@ -40960,7 +40012,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_low_result_len = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":597
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":609
  * 
  *         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)             # <<<<<<<<<<<<<<
@@ -40969,7 +40021,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":598
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":610
  *         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             # <<<<<<<<<<<<<<
@@ -40978,7 +40030,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   __pyx_v_high_result_len = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":599
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":611
  *         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)             # <<<<<<<<<<<<<<
@@ -40987,7 +40039,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":601
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":613
  *         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)             # <<<<<<<<<<<<<<
@@ -40996,7 +40048,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":602
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":614
  * 
  *         result = extend_arr(result, result_len, low_result, low_result_len)
  *         result = extend_arr(result, result_len, med_result, med_result_len)             # <<<<<<<<<<<<<<
@@ -41005,7 +40057,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":603
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":615
  *         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)             # <<<<<<<<<<<<<<
@@ -41014,7 +40066,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":604
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":616
  *         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)             # <<<<<<<<<<<<<<
@@ -41023,7 +40075,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_low_result);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":605
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":617
  *         result = extend_arr(result, result_len, high_result, high_result_len)
  *         free(low_result)
  *         free(med_result)             # <<<<<<<<<<<<<<
@@ -41032,7 +40084,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_med_result);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":606
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":618
  *         free(low_result)
  *         free(med_result)
  *         free(high_result)             # <<<<<<<<<<<<<<
@@ -41041,7 +40093,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
  */
   free(__pyx_v_high_result);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":608
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":620
  *         free(high_result)
  * 
  *         return result             # <<<<<<<<<<<<<<
@@ -41061,7 +40113,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __p
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":612
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":624
  * 
  * 
  *     cdef long compare_matchings_set(self, int i1_minus, int i1_plus, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -41080,7 +40132,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("compare_matchings_set", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":623
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":635
  *         cdef Matching* loc1
  * 
  *         loc1 = &l1_stack             # <<<<<<<<<<<<<<
@@ -41089,7 +40141,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
   __pyx_v_loc1 = (&__pyx_v_l1_stack);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":625
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":637
  *         loc1 = &l1_stack
  * 
  *         i1 = i1_minus             # <<<<<<<<<<<<<<
@@ -41098,7 +40150,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
   __pyx_v_i1 = __pyx_v_i1_minus;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":626
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":638
  * 
  *         i1 = i1_minus
  *         while i1 < i1_plus:             # <<<<<<<<<<<<<<
@@ -41109,7 +40161,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":627
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":639
  *         i1 = i1_minus
  *         while i1 < i1_plus:
  *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41118,7 +40170,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":628
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":640
  *         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)             # <<<<<<<<<<<<<<
@@ -41127,7 +40179,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":629
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":641
  *             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:             # <<<<<<<<<<<<<<
@@ -41137,7 +40189,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     __pyx_t_1 = (__pyx_v_comparison == 0);
     if (__pyx_t_1) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":630
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":642
  *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
  *             if comparison == 0:
  *                 prev_comparison = 0             # <<<<<<<<<<<<<<
@@ -41146,7 +40198,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
       __pyx_v_prev_comparison = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":631
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":643
  *             if comparison == 0:
  *                 prev_comparison = 0
  *                 break             # <<<<<<<<<<<<<<
@@ -41157,7 +40209,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
       goto __pyx_L5;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":632
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":644
  *                 prev_comparison = 0
  *                 break
  *             elif i1 == i1_minus:             # <<<<<<<<<<<<<<
@@ -41167,7 +40219,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":633
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":645
  *                 break
  *             elif i1 == i1_minus:
  *                 prev_comparison = comparison             # <<<<<<<<<<<<<<
@@ -41179,7 +40231,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":635
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":647
  *                 prev_comparison = comparison
  *             else:
  *                 if comparison != prev_comparison:             # <<<<<<<<<<<<<<
@@ -41189,7 +40241,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":636
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":648
  *             else:
  *                 if comparison != prev_comparison:
  *                     prev_comparison = 0             # <<<<<<<<<<<<<<
@@ -41198,7 +40250,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
  */
         __pyx_v_prev_comparison = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":637
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":649
  *                 if comparison != prev_comparison:
  *                     prev_comparison = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -41212,7 +40264,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
     }
     __pyx_L5:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":638
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":650
  *                     prev_comparison = 0
  *                     break
  *             i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -41223,7 +40275,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   }
   __pyx_L4_break:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":639
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":651
  *                     break
  *             i1 = i1 + step1
  *         return prev_comparison             # <<<<<<<<<<<<<<
@@ -41239,7 +40291,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":642
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":654
  * 
  * 
  *     cdef long compare_matchings(self, Matching* loc1, Matching* loc2, int offset_by_one, int len_last):             # <<<<<<<<<<<<<<
@@ -41257,7 +40309,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("compare_matchings", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":645
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":657
  *         cdef int i
  * 
  *         if loc1.sent_id > loc2.sent_id:             # <<<<<<<<<<<<<<
@@ -41267,7 +40319,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":646
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":658
  * 
  *         if loc1.sent_id > loc2.sent_id:
  *             return 1             # <<<<<<<<<<<<<<
@@ -41280,7 +40332,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":647
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":659
  *         if loc1.sent_id > loc2.sent_id:
  *             return 1
  *         if loc2.sent_id > loc1.sent_id:             # <<<<<<<<<<<<<<
@@ -41290,7 +40342,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":648
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":660
  *             return 1
  *         if loc2.sent_id > loc1.sent_id:
  *             return -1             # <<<<<<<<<<<<<<
@@ -41303,7 +40355,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L4:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":650
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":662
  *             return -1
  * 
  *         if loc1.size == 1 and loc2.size == 1:             # <<<<<<<<<<<<<<
@@ -41319,7 +40371,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   if (__pyx_t_3) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":651
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":663
  * 
  *         if loc1.size == 1 and loc2.size == 1:
  *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:             # <<<<<<<<<<<<<<
@@ -41329,7 +40381,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":652
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":664
  *         if loc1.size == 1 and loc2.size == 1:
  *             if loc2.arr[loc2.start] - loc1.arr[loc1.start] <= self.train_min_gap_size:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -41344,7 +40396,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     goto __pyx_L5;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":654
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":666
  *                 return 1
  * 
  *         elif offset_by_one:             # <<<<<<<<<<<<<<
@@ -41353,7 +40405,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
  */
   if (__pyx_v_offset_by_one) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":655
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":667
  * 
  *         elif offset_by_one:
  *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -41363,7 +40415,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":656
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":668
  *         elif offset_by_one:
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:             # <<<<<<<<<<<<<<
@@ -41373,7 +40425,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":657
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":669
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i-1]:
  *                     return 1             # <<<<<<<<<<<<<<
@@ -41386,7 +40438,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       }
       __pyx_L9:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":658
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":670
  *                 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]:             # <<<<<<<<<<<<<<
@@ -41396,7 +40448,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":659
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":671
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i-1]:
  *                     return -1             # <<<<<<<<<<<<<<
@@ -41413,7 +40465,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":662
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":674
  * 
  *         else:
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
@@ -41423,7 +40475,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":663
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":675
  *         else:
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -41436,7 +40488,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     }
     __pyx_L11:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":664
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":676
  *             if loc1.arr[loc1.start]+1 > loc2.arr[loc2.start]:
  *                 return 1
  *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:             # <<<<<<<<<<<<<<
@@ -41446,7 +40498,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":665
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":677
  *                 return 1
  *             if loc1.arr[loc1.start]+1 < loc2.arr[loc2.start]:
  *                 return -1             # <<<<<<<<<<<<<<
@@ -41459,7 +40511,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
     }
     __pyx_L12:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":667
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":679
  *                 return -1
  * 
  *             for i from 1 <= i < loc1.size:             # <<<<<<<<<<<<<<
@@ -41469,7 +40521,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":668
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":680
  * 
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
@@ -41479,7 +40531,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":669
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":681
  *             for i from 1 <= i < loc1.size:
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
  *                     return 1             # <<<<<<<<<<<<<<
@@ -41492,7 +40544,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
       }
       __pyx_L15:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":670
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":682
  *                 if loc1.arr[loc1.start+i] > loc2.arr[loc2.start+i]:
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:             # <<<<<<<<<<<<<<
@@ -41502,7 +40554,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":671
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":683
  *                     return 1
  *                 if loc1.arr[loc1.start+i] < loc2.arr[loc2.start+i]:
  *                     return -1             # <<<<<<<<<<<<<<
@@ -41518,7 +40570,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L5:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":673
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":685
  *                     return -1
  * 
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -41528,7 +40580,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":674
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":686
  * 
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
  *             return -1             # <<<<<<<<<<<<<<
@@ -41541,7 +40593,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   }
   __pyx_L17:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":675
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":687
  *         if loc2.arr[loc2.end-1] + len_last - loc1.arr[loc1.start] > self.train_max_initial_size:
  *             return -1
  *         return 0             # <<<<<<<<<<<<<<
@@ -41557,7 +40609,7 @@ static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __py
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":678
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":690
  * 
  * 
  *     cdef int* merge_helper(self, int low1, int high1, int* arr1, int step1,             # <<<<<<<<<<<<<<
@@ -41581,7 +40633,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
   int __pyx_t_3;
   __Pyx_RefNannySetupContext("merge_helper", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":686
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":698
  *         cdef Matching loc1, loc2
  * 
  *         result_len[0] = 0             # <<<<<<<<<<<<<<
@@ -41590,7 +40642,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   (__pyx_v_result_len[0]) = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":687
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":699
  * 
  *         result_len[0] = 0
  *         result = <int*> malloc(0*sizeof(int))             # <<<<<<<<<<<<<<
@@ -41599,7 +40651,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_result = ((int *)malloc((0 * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":689
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":701
  *         result = <int*> malloc(0*sizeof(int))
  * 
  *         i1 = low1             # <<<<<<<<<<<<<<
@@ -41608,7 +40660,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_i1 = __pyx_v_low1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":690
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":702
  * 
  *         i1 = low1
  *         i2 = low2             # <<<<<<<<<<<<<<
@@ -41617,7 +40669,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
   __pyx_v_i2 = __pyx_v_low2;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":691
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":703
  *         i1 = low1
  *         i2 = low2
  *         while i1 < high1 and i2 < high2:             # <<<<<<<<<<<<<<
@@ -41634,7 +40686,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
     if (!__pyx_t_3) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":694
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":706
  * 
  *             # First, pop all unneeded loc2's off the stack
  *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41643,7 +40695,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":695
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":707
  *             # First, pop all unneeded loc2's off the stack
  *             assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *             while i2 < high2:             # <<<<<<<<<<<<<<
@@ -41654,7 +40706,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":696
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":708
  *             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)             # <<<<<<<<<<<<<<
@@ -41663,7 +40715,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":697
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":709
  *             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:             # <<<<<<<<<<<<<<
@@ -41673,7 +40725,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":698
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":710
  *                 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             # <<<<<<<<<<<<<<
@@ -41685,7 +40737,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":700
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":712
  *                     i2 = i2 + step2
  *                 else:
  *                     break             # <<<<<<<<<<<<<<
@@ -41698,7 +40750,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
     __pyx_L6_break:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":703
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":715
  * 
  *             # Next: process all loc1's with the same starting val
  *             j1 = i1             # <<<<<<<<<<<<<<
@@ -41707,7 +40759,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
     __pyx_v_j1 = __pyx_v_i1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":704
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":716
  *             # Next: process all loc1's with the same starting val
  *             j1 = i1
  *             while i1 < high1 and arr1[j1] == arr1[i1]:             # <<<<<<<<<<<<<<
@@ -41724,7 +40776,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       if (!__pyx_t_2) break;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":705
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":717
  *             j1 = i1
  *             while i1 < high1 and arr1[j1] == arr1[i1]:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41733,7 +40785,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":706
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":718
  *             while i1 < high1 and arr1[j1] == arr1[i1]:
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 j2 = i2             # <<<<<<<<<<<<<<
@@ -41742,7 +40794,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
  */
       __pyx_v_j2 = __pyx_v_i2;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":707
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":719
  *                 assign_matching(&loc1, arr1, i1, step1, self.fda.sent_id.arr)
  *                 j2 = i2
  *                 while j2 < high2:             # <<<<<<<<<<<<<<
@@ -41753,7 +40805,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":708
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":720
  *                 j2 = i2
  *                 while j2 < high2:
  *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
@@ -41762,7 +40814,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":709
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":721
  *                 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)             # <<<<<<<<<<<<<<
@@ -41771,7 +40823,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":710
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":722
  *                     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:             # <<<<<<<<<<<<<<
@@ -41781,7 +40833,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         __pyx_t_2 = (__pyx_v_comparison == 0);
         if (__pyx_t_2) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":711
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":723
  *                     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)             # <<<<<<<<<<<<<<
@@ -41793,7 +40845,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         __pyx_L12:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":712
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":724
  *                     if comparison == 0:
  *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
  *                     if comparison == 1:             # <<<<<<<<<<<<<<
@@ -41806,7 +40858,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         __pyx_L13:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":714
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":726
  *                     if comparison == 1:
  *                         pass
  *                     if comparison == -1:             # <<<<<<<<<<<<<<
@@ -41816,7 +40868,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         __pyx_t_2 = (__pyx_v_comparison == -1);
         if (__pyx_t_2) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":715
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":727
  *                         pass
  *                     if comparison == -1:
  *                         break             # <<<<<<<<<<<<<<
@@ -41828,7 +40880,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":717
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":729
  *                         break
  *                     else:
  *                         j2 = j2 + step2             # <<<<<<<<<<<<<<
@@ -41841,7 +40893,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
       }
       __pyx_L11_break:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":718
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":730
  *                     else:
  *                         j2 = j2 + step2
  *                 i1 = i1 + step1             # <<<<<<<<<<<<<<
@@ -41852,7 +40904,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
     }
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":719
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":731
  *                         j2 = j2 + step2
  *                 i1 = i1 + step1
  *         return result             # <<<<<<<<<<<<<<
@@ -41868,7 +40920,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":722
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":734
  * 
  * 
  *     cdef void sort_phrase_loc(self, IntList arr, PhraseLocation loc, Phrase phrase):             # <<<<<<<<<<<<<<
@@ -41890,26 +40942,26 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("sort_phrase_loc", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":727
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":739
  *         cdef IntList result
  * 
  *         if phrase in self.precomputed_index:             # <<<<<<<<<<<<<<
  *             loc.arr = self.precomputed_index[phrase]
  *         else:
  */
-  __pyx_t_1 = ((PySequence_Contains(__pyx_v_self->precomputed_index, ((PyObject *)__pyx_v_phrase)))); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 727; __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 = 739; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":728
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":740
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-    __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 = 728; __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 = 740; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    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 = 740; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -41919,20 +40971,20 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
   }
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":730
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":742
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-    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 730; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __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 = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __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 = 742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -41941,27 +40993,27 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":731
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":743
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-    __pyx_t_3 = PyInt_FromLong(__pyx_v_arr->len); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 731; __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 = 743; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __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 = 743; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":732
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":744
  *             loc.arr = IntList(initial_len=loc.sa_high-loc.sa_low)
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":733
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":745
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@@ -41981,7 +41033,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":734
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":746
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@@ -41990,7 +41042,7 @@ static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":735
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":747
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":736
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":748
  *             i = veb.veb.min_val
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":737
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":749
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":738
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":750
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":739
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":751
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  *         loc.arr_high = loc.arr.len             # <<<<<<<<<<<<<<
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":742
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":754
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":749
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":761
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":751
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":763
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+  __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 = 763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __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 = 763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":752
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":764
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@@ -42121,7 +41173,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":754
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":766
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":756
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":768
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+  __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 = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __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 = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 756; __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 = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":758
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":770
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":759
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":771
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":760
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":772
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   __pyx_v_arr1 = __pyx_v_prefix_loc->arr;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":761
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":773
  *             self.sort_phrase_loc(self.fsa.sa, prefix_loc, prefix)
  *         arr1 = prefix_loc.arr
  *         low1 = prefix_loc.arr_low             # <<<<<<<<<<<<<<
@@ -42203,7 +41255,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_low1 = __pyx_v_prefix_loc->arr_low;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":762
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":774
  *         arr1 = prefix_loc.arr
  *         low1 = prefix_loc.arr_low
  *         high1 = prefix_loc.arr_high             # <<<<<<<<<<<<<<
@@ -42212,7 +41264,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_high1 = __pyx_v_prefix_loc->arr_high;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":763
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":775
  *         low1 = prefix_loc.arr_low
  *         high1 = prefix_loc.arr_high
  *         step1 = prefix_loc.num_subpatterns             # <<<<<<<<<<<<<<
@@ -42221,7 +41273,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_step1 = __pyx_v_prefix_loc->num_subpatterns;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":765
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":777
  *         step1 = prefix_loc.num_subpatterns
  * 
  *         if suffix_loc.arr is None:             # <<<<<<<<<<<<<<
@@ -42231,7 +41283,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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   if (__pyx_t_7) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":766
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":778
  * 
  *         if suffix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)             # <<<<<<<<<<<<<<
@@ -42246,7 +41298,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":767
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":779
  *         if suffix_loc.arr is None:
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)
  *         arr2 = suffix_loc.arr             # <<<<<<<<<<<<<<
@@ -42256,7 +41308,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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   __pyx_v_arr2 = __pyx_v_suffix_loc->arr;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":768
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":780
  *             self.sort_phrase_loc(self.fsa.sa, suffix_loc, suffix)
  *         arr2 = suffix_loc.arr
  *         low2 = suffix_loc.arr_low             # <<<<<<<<<<<<<<
@@ -42265,7 +41317,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
   __pyx_v_low2 = __pyx_v_suffix_loc->arr_low;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":769
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":781
  *         arr2 = suffix_loc.arr
  *         low2 = suffix_loc.arr_low
  *         high2 = suffix_loc.arr_high             # <<<<<<<<<<<<<<
@@ -42274,7 +41326,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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   __pyx_v_high2 = __pyx_v_suffix_loc->arr_high;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":770
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":782
  *         low2 = suffix_loc.arr_low
  *         high2 = suffix_loc.arr_high
  *         step2 = suffix_loc.num_subpatterns             # <<<<<<<<<<<<<<
@@ -42283,26 +41335,26 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":772
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":784
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+  __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 = 784; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __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 = 784; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_5 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 784; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __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 = 784; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":774
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":786
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  *         if algorithm == MERGE:             # <<<<<<<<<<<<<<
@@ -42312,7 +41364,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":777
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":789
  *             result_ptr = self.merge_helper(low1, high1, arr1.arr, step1,
  *                                     low2, high2, arr2.arr, step2,
  *                                     offset_by_one, len_last, num_subpatterns, &result_len)             # <<<<<<<<<<<<<<
@@ -42324,7 +41376,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":781
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":793
  *             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)             # <<<<<<<<<<<<<<
@@ -42335,7 +41387,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":783
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":795
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  * 
  *         if result_len == 0:             # <<<<<<<<<<<<<<
@@ -42345,7 +41397,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   __pyx_t_7 = (__pyx_v_result_len == 0);
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":784
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":796
  * 
  *         if result_len == 0:
  *             free(result_ptr)             # <<<<<<<<<<<<<<
@@ -42354,7 +41406,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     free(__pyx_v_result_ptr);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":785
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":797
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  *             free(result_ptr)
  *             return None             # <<<<<<<<<<<<<<
@@ -42369,19 +41421,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
   }
   /*else*/ {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":787
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":799
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+    __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 = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":788
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":800
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  *             result = IntList()
  *             free(result.arr)             # <<<<<<<<<<<<<<
@@ -42390,7 +41442,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     free(__pyx_v_result->arr);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":789
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":801
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  *             free(result.arr)
  *             result.arr = result_ptr             # <<<<<<<<<<<<<<
@@ -42399,7 +41451,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
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     __pyx_v_result->arr = __pyx_v_result_ptr;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":790
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":802
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  *             result.arr = result_ptr
  *             result.len = result_len             # <<<<<<<<<<<<<<
@@ -42408,7 +41460,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct
  */
     __pyx_v_result->len = __pyx_v_result_len;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":791
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":803
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  *             result.len = result_len
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     __pyx_v_result->size = __pyx_v_result_len;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":792
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":804
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  *             result.size = result_len
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-    __pyx_t_4 = PyInt_FromLong(__pyx_v_result_len); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 792; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_4 = PyInt_FromLong(__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 792; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_4 = PyInt_FromLong(__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 804; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 804; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":794
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":796
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":808
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-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_117));
-  __pyx_v_result = ((PyObject *)__pyx_kp_s_117);
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":797
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":809
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   __pyx_v_i = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":798
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":810
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  *         while i < loc.arr_high:             # <<<<<<<<<<<<<<
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":799
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":811
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+    __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 = 811; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":800
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":812
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":801
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":813
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+      __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -42559,20 +41611,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
       __pyx_t_2 = 0;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":802
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":814
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+    __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 = 814; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __pyx_v_result = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":803
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":815
  *                 result = result + ("%d " %loc.arr[j])
  *             result = result + ")"
  *             i = i + loc.num_subpatterns             # <<<<<<<<<<<<<<
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   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":804
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":816
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  *             i = i + loc.num_subpatterns
  *         result = result + "}"             # <<<<<<<<<<<<<<
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-  __pyx_t_2 = PyNumber_Add(__pyx_v_result, ((PyObject *)__pyx_kp_s_119)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 804; __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 = 816; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_v_result = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":805
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":817
  *             i = i + loc.num_subpatterns
  *         result = result + "}"
  *         return result             # <<<<<<<<<<<<<<
@@ -42621,7 +41673,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED st
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":807
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":819
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  * 
  *     cdef PhraseLocation intersect(self, prefix_node, suffix_node, Phrase phrase):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":811
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":823
  *         cdef PhraseLocation prefix_loc, suffix_loc, result
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  *         prefix = prefix_node.phrase             # <<<<<<<<<<<<<<
  *         suffix = suffix_node.phrase
  *         prefix_loc = prefix_node.phrase_location
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-  __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 = 811; __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 = 823; __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 = 811; __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 = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":812
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":824
  * 
  *         prefix = prefix_node.phrase
  *         suffix = suffix_node.phrase             # <<<<<<<<<<<<<<
  *         prefix_loc = prefix_node.phrase_location
  *         suffix_loc = suffix_node.phrase_location
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-  __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 = 812; __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 = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  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 = 812; __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 = 824; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":813
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":825
  *         prefix = prefix_node.phrase
  *         suffix = suffix_node.phrase
  *         prefix_loc = prefix_node.phrase_location             # <<<<<<<<<<<<<<
  *         suffix_loc = suffix_node.phrase_location
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-  __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 = 813; __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 = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  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 = 813; __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 = 825; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":814
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":826
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  *         prefix_loc = prefix_node.phrase_location
  *         suffix_loc = suffix_node.phrase_location             # <<<<<<<<<<<<<<
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  *         result = self.get_precomputed_collocation(phrase)
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-  __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 = 814; __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 = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  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 = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":816
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":828
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  *         result = self.get_precomputed_collocation(phrase)             # <<<<<<<<<<<<<<
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+  __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 = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __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 = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  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 = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_3 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":817
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":829
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  *         result = self.get_precomputed_collocation(phrase)
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   if (__pyx_t_4) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":818
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":830
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":820
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":832
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  *         if result is None:             # <<<<<<<<<<<<<<
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":821
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":833
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  *         if result is None:
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     if (__pyx_v_self->use_baeza_yates) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":822
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":834
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+      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 = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":823
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":835
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  *                 result = self.intersect_helper(prefix, suffix, prefix_loc, suffix_loc, MERGE)
  */
-      __Pyx_INCREF(((PyObject *)__pyx_kp_s_121));
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_120));
       __Pyx_XDECREF(__pyx_v_intersect_method);
-      __pyx_v_intersect_method = ((PyObject *)__pyx_kp_s_121);
+      __pyx_v_intersect_method = ((PyObject *)__pyx_kp_s_120);
       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":825
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":837
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":826
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":827
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 }
 
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":843
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+          __Pyx_RaiseArgtupleInvalid("get_all_nodes_isteps_away", 1, 7, 7, 6); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 857; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":849
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":850
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+  __pyx_t_1 = ((PyObject *)PyList_AsTuple(__pyx_t_4)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 862; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":851
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":863
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+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 863; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":852
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+  __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 = 864; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":853
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":855
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+    __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 = 867; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_4 = PyTuple_New(3); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 867; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __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 = 867; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":856
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":868
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+    if (PyObject_SetItem(__pyx_v_reachable_buffer, ((PyObject *)__pyx_v_key), __pyx_v_reachable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 868; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":857
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":869
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-      __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++;
+      #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 = 869; __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 = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
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-      __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++;
+      #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 = 869; __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 = 869; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __pyx_t_4 = __pyx_t_6(__pyx_t_2);
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-          else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 857; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":858
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":870
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-        __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++;
+        #if CYTHON_COMPILING_IN_CPYTHON
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-        __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++;
+        #if CYTHON_COMPILING_IN_CPYTHON
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+        #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 = 870; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        #endif
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-            else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 858; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":859
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+      __pyx_t_9 = PyTuple_New(3); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 871; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":860
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":861
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":862
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":863
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-            __pyx_t_4 = PyList_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++;
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-            __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_9, __pyx_t_11); __Pyx_INCREF(__pyx_t_4); __pyx_t_11++;
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-                else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 863; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":864
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":865
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":866
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-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":867
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":868
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":880
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+  __Pyx_RaiseArgtupleInvalid("reachable", 1, 3, 3, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 882; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 883; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":872
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":879
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":880
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":882
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-            __pyx_t_3 = PyList_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++;
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-            __pyx_t_3 = PyTuple_GET_ITEM(__pyx_t_6, __pyx_t_10); __Pyx_INCREF(__pyx_t_3); __pyx_t_10++;
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+            #else
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":883
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":895
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":884
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":886
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":908
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":912
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":950
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":952
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":955
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":956
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":963
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":964
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":965
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":968
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":969
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":981
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-      __pyx_t_2 = PyList_GET_ITEM(__pyx_t_12, __pyx_t_1); __Pyx_INCREF(__pyx_t_2); __pyx_t_1++;
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+      #else
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+      #endif
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+        #if CYTHON_COMPILING_IN_CPYTHON
+        Py_ssize_t size = Py_SIZE(sequence);
+        #else
+        Py_ssize_t size = PySequence_Size(sequence);
+        #endif
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+          {__pyx_filename = __pyx_f[8]; __pyx_lineno = 981; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":970
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":971
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":973
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":975
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":976
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":988
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":977
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":989
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":978
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":990
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+          __pyx_t_2 = PyNumber_Add(__pyx_t_15, __pyx_cur_scope->__pyx_v_spanlen); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          __pyx_t_15 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_nualt); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":979
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":991
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":981
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":993
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+      __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 993; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_15 = PyNumber_Add(__pyx_cur_scope->__pyx_v_prefix, ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 993; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":982
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":994
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+      __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -46205,23 +45341,23 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":983
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":995
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+      __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase), __pyx_n_s__arity); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":985
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":986
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":998
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+      __pyx_t_8 = (__Pyx_PySequence_Contains(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_15, Py_EQ)); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":987
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":999
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+        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_3 = PyObject_GetItem(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":989
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1001
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":992
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1004
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+          __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          __pyx_t_15 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -46294,20 +45430,20 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":994
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1006
  *                         node = node.children[word_id]
  *                 else:
  *                     if node.suffix_link is None:             # <<<<<<<<<<<<<<
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-        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1006; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":996
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1008
  *                     if node.suffix_link is None:
  *                         # Current node is root; lookup required
  *                         lookup_required = True             # <<<<<<<<<<<<<<
@@ -46319,54 +45455,54 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":998
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1010
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  *                     else:
  *                         if word_id in node.suffix_link.children:             # <<<<<<<<<<<<<<
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  *                                 # Suffix link reports path is dead end
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-          __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1010; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":999
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+            __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 = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_15 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 999; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_3 = PyObject_GetItem(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1001
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1013
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-              __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1013; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-              if (PyObject_SetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1001; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyObject_SetItem(__pyx_t_3, __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_3); __pyx_t_3 = 0;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1002
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1014
  *                                 # Suffix link reports path is dead end
  *                                 node.children[word_id] = None
  *                                 continue             # <<<<<<<<<<<<<<
@@ -46378,7 +45514,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
             }
             /*else*/ {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1005
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1017
  *                             else:
  *                                 # Suffix link indicates lookup is reqired
  *                                 lookup_required = True             # <<<<<<<<<<<<<<
@@ -46392,18 +45528,18 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           /*else*/ {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1008
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1020
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
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-            __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_123), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_122), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -46411,7 +45547,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
       }
       __pyx_L27:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1010
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1022
  *                             raise Exception("Keyword trie error")
  *                 # checking whether lookup_required
  *                 if lookup_required:             # <<<<<<<<<<<<<<
@@ -46420,7 +45556,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
  */
       if (__pyx_cur_scope->__pyx_v_lookup_required) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1011
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1023
  *                 # checking whether lookup_required
  *                 if lookup_required:
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@@ -46433,66 +45569,66 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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         __pyx_cur_scope->__pyx_v_new_node = Py_None;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1012
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1024
  *                 if lookup_required:
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-        __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1015
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1027
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+          __pyx_t_15 = PyObject_GetItem(__pyx_t_2, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1016
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+          __pyx_t_15 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1017
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+          if (PyDict_SetItem(__pyx_t_3, ((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_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 = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -46504,7 +45640,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1019
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1031
  *                                 phrase=hiero_phrase)
  *                     else:
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@@ -46514,22 +45650,22 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1021
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1033
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+            __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 = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __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 = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -46541,45 +45677,45 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           /*else*/ {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1024
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1036
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  *                             # Suffix array search
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  *                             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_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            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 = 1024; __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 = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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             __Pyx_GIVEREF(__pyx_t_3);
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1025
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1037
  *                             # 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_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_2 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_18)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_18)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_5 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __pyx_t_15 = PyInt_FromSsize_t((__pyx_t_5 - 1)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_5 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyInt_FromSsize_t((__pyx_t_5 - 1)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_9 = PyTuple_New(4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyTuple_New(4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
             PyTuple_SET_ITEM(__pyx_t_9, 0, ((PyObject *)__pyx_t_2));
             __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
@@ -46593,7 +45729,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
             __pyx_t_15 = 0;
             __pyx_t_14 = 0;
             __pyx_t_10 = 0;
-            __pyx_t_10 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1025; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
@@ -46603,7 +45739,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
             __pyx_cur_scope->__pyx_v_sa_range = __pyx_t_10;
             __pyx_t_10 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1026
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1038
  *                             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:             # <<<<<<<<<<<<<<
@@ -46613,24 +45749,24 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
             __pyx_t_8 = (__pyx_cur_scope->__pyx_v_sa_range != Py_None);
             if (__pyx_t_8) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1027
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1039
  *                             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_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(((PyObject *)__pyx_t_10));
-              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_9);
-              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-              __pyx_t_9 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1027; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_9);
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               __Pyx_GOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
@@ -46642,7 +45778,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
             }
             /*else*/ {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1029
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1041
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  *                             else:
  *                                 phrase_location = None             # <<<<<<<<<<<<<<
@@ -46659,7 +45795,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           __pyx_L34:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1031
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1043
  *                                 phrase_location = None
  * 
  *                         if phrase_location is None:             # <<<<<<<<<<<<<<
@@ -46669,19 +45805,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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           if (__pyx_t_8) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1032
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1044
  * 
  *                         if phrase_location is None:
  *                             node.children[word_id] = None             # <<<<<<<<<<<<<<
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  *                             continue
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-            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1032; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1044; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            if (PyObject_SetItem(__pyx_t_9, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1032; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (PyObject_SetItem(__pyx_t_9, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1044; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1034
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1046
  *                             node.children[word_id] = None
  *                             # Search failed
  *                             continue             # <<<<<<<<<<<<<<
@@ -46693,7 +45829,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           __pyx_L36:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1036
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1048
  *                             continue
  *                         # Search succeeded
  *                         suffix_link = self.rules.root             # <<<<<<<<<<<<<<
@@ -46706,32 +45842,32 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1037
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1049
  *                         # 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_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1037; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
           __pyx_t_8 = (__pyx_t_9 != Py_None);
           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
           if (__pyx_t_8) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1038
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1050
  *                         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_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
-            __pyx_t_10 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-            __pyx_t_9 = PyObject_GetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link);
@@ -46743,35 +45879,35 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           __pyx_L37:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1039
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1051
  *                         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_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_9));
-          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1040
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1052
  *                             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_9, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1041
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1053
  *                         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_9, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __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_9)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __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_9)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
           __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_new_node);
@@ -46782,19 +45918,19 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
         }
         __pyx_L33:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1042
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1054
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node             # <<<<<<<<<<<<<<
  *                     node = new_node
  * 
  */
-        __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 = 1042; __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 = 1054; __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, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1042; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (PyObject_SetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1043
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1055
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node
  *                     node = new_node             # <<<<<<<<<<<<<<
@@ -46807,7 +45943,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1048
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1060
  *                     This should happen before we get to extraction (so that
  *                     the node will exist if needed)'''
  *                     if arity < self.max_nonterminals:             # <<<<<<<<<<<<<<
@@ -46817,14 +45953,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
         __pyx_t_8 = (__pyx_cur_scope->__pyx_v_arity < __pyx_cur_scope->__pyx_v_self->max_nonterminals);
         if (__pyx_t_8) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1049
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1061
  *                     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_10 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1061; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_xcat_index);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_xcat_index);
@@ -46832,17 +45968,17 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           __pyx_cur_scope->__pyx_v_xcat_index = __pyx_t_10;
           __pyx_t_10 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1050
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1062
  *                     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_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1062; __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_18);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1051
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1063
  *                         xcat_index = arity+1
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index             # <<<<<<<<<<<<<<
@@ -46855,24 +45991,24 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1052
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1064
  *                         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_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1052; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           if (__pyx_t_8) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1053
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1065
  *                         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_10 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1053; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1065; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
@@ -46883,159 +46019,159 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
           }
           __pyx_L39:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1054
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1066
  *                         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_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1054; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1066; __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_18);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1055
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1067
  *                             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_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_10));
-          __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
-          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1055; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__phrase_location), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1056
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1068
  *                         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,)))
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1062
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1064
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1066
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1067
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1079
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  *                         extracts = []
  *                         j = 0             # <<<<<<<<<<<<<<
@@ -47088,14 +46224,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
  */
           __pyx_cur_scope->__pyx_v_j = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1068
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1080
  *                         extracts = []
  *                         j = 0
  *                         extract_start = monitor_cpu()             # <<<<<<<<<<<<<<
  *                         while j < sample.len:
  *                             extract = []
  */
-          __pyx_t_3 = PyFloat_FromDouble(__pyx_f_3_sa_monitor_cpu()); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1068; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyFloat_FromDouble(__pyx_f_3_sa_monitor_cpu()); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -47103,7 +46239,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1069
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1081
  *                         j = 0
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:             # <<<<<<<<<<<<<<
@@ -47114,14 +46250,14 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1070
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1082
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:
  *                             extract = []             # <<<<<<<<<<<<<<
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
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-            __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1082; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -47129,23 +46265,46 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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             __pyx_t_3 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1072
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1084
  *                             extract = []
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
+ *                             loc = tuple(sample[j:j+num_subpatterns])
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             __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1073
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1085
  * 
  *                             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])
+ */
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+            __Pyx_GOTREF(__pyx_t_3);
+            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1085; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(__pyx_t_10);
+            PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_3);
+            __Pyx_GIVEREF(__pyx_t_3);
+            __pyx_t_3 = 0;
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+            __Pyx_GOTREF(__pyx_t_3);
+            __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
+            __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_loc);
+            __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_loc);
+            __Pyx_GIVEREF(__pyx_t_3);
+            __pyx_cur_scope->__pyx_v_loc = __pyx_t_3;
+            __pyx_t_3 = 0;
+
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1086
+ *                             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(extract)
+ *                             extracts.extend([(e, loc) for e in extract])
  *                             j = j + num_subpatterns
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+            __pyx_t_3 = ((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_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -47153,29 +46312,83 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1074
- *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1087
+ *                             loc = tuple(sample[j:j+num_subpatterns])
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
- *                             extracts.extend(extract)             # <<<<<<<<<<<<<<
+ *                             extracts.extend([(e, loc) for e in extract])             # <<<<<<<<<<<<<<
  *                             j = j + num_subpatterns
  * 
  */
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+            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_extracts), __pyx_n_s__extend); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1087; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+              __Pyx_GIVEREF(__pyx_t_14);
+              __pyx_cur_scope->__pyx_v_e = __pyx_t_14;
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+              __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_e);
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-            __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
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+            PyTuple_SET_ITEM(__pyx_t_9, 0, ((PyObject *)__pyx_t_10));
+            __Pyx_GIVEREF(((PyObject *)__pyx_t_10));
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-            __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1075
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1088
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
- *                             extracts.extend(extract)
+ *                             extracts.extend([(e, loc) for e in extract])
  *                             j = j + num_subpatterns             # <<<<<<<<<<<<<<
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  *                         num_samples = sample.len/num_subpatterns
@@ -47183,7 +46396,7 @@ static PyObject *__pyx_gb_3_sa_23HieroCachingRuleFactory_24generator5(__pyx_Gene
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1077
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1090
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  * 
  *                         num_samples = sample.len/num_subpatterns             # <<<<<<<<<<<<<<
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1078
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1091
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  *                         num_samples = sample.len/num_subpatterns
  *                         extract_stop = monitor_cpu()             # <<<<<<<<<<<<<<
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1079
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1092
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1105
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1106
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-          __pyx_t_2 = 0;
+          __pyx_t_15 = 0;
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-          __pyx_t_14 = ((PyObject *)PyList_AsTuple(__pyx_t_10)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1109
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+          __pyx_t_14 = PyList_New(0); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1121; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1110
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1111
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1113
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-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1114
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1118
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1130
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1120
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-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1126
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1141
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1142
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1143
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1144
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1150
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1151
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1163
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1152
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1153
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1165
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1154
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1155
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1157
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1158
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1170
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1159
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1171
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   }
   if (__pyx_t_4) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1160
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1172
  *             return 0
  *         elif e_in_high != -1 and e_high[0] != e_in_high:
  *             if e_high[0] - e_in_high < min_ex_size:             # <<<<<<<<<<<<<<
@@ -48677,7 +47832,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1161
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1173
  *         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             # <<<<<<<<<<<<<<
@@ -48686,7 +47841,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1162
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1174
  *             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:             # <<<<<<<<<<<<<<
@@ -48696,7 +47851,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1163
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1175
  *                 e_high[0] = e_in_high + min_ex_size
  *                 if e_high[0] > e_sent_len:
  *                     return 0             # <<<<<<<<<<<<<<
@@ -48715,7 +47870,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   }
   __pyx_L6:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1165
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1177
  *                     return 0
  * 
  *         f_back_low[0] = -1             # <<<<<<<<<<<<<<
@@ -48724,7 +47879,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_f_back_low[0]) = -1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1166
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1178
  * 
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1             # <<<<<<<<<<<<<<
@@ -48733,7 +47888,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   (__pyx_v_f_back_high[0]) = -1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1167
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1179
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1
  *         f_low_prev = f_low             # <<<<<<<<<<<<<<
@@ -48742,17 +47897,17 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_f_low_prev = __pyx_v_f_low;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1168
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1180
  *         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 = 1168; __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 = 1180; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_f_high_prev = __pyx_t_1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1169
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1181
  *         f_low_prev = f_low
  *         f_high_prev = f_high
  *         new_x = 0             # <<<<<<<<<<<<<<
@@ -48761,7 +47916,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_x = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1170
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1182
  *         f_high_prev = f_high
  *         new_x = 0
  *         new_low_x = 0             # <<<<<<<<<<<<<<
@@ -48770,7 +47925,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_low_x = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1183
  *         new_x = 0
  *         new_low_x = 0
  *         new_high_x = 0             # <<<<<<<<<<<<<<
@@ -48779,7 +47934,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
   __pyx_v_new_high_x = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1185
  *         new_high_x = 0
  * 
  *         while True:             # <<<<<<<<<<<<<<
@@ -48789,7 +47944,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   while (1) {
     if (!1) break;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1175
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1187
  *         while True:
  * 
  *             if f_back_low[0] == -1:             # <<<<<<<<<<<<<<
@@ -48799,45 +47954,45 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1176
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1188
  * 
  *             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 = 1176; __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 = 1188; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1178
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1190
  *                 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 = 1178; __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 = 1190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1179
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1191
  *             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 = 1179; __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 = 1191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     }
     __pyx_L11:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1181
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1193
  *                 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:             # <<<<<<<<<<<<<<
@@ -48847,7 +48002,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1182
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1194
  * 
  *             if f_back_low[0] > f_low:
  *                 f_back_low[0] = f_low             # <<<<<<<<<<<<<<
@@ -48859,36 +48014,35 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L12:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1184
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1196
  *                 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 = 1184; __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 = 1196; __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); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1184; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_6);
+    __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 = 1196; __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 = 1184; __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 = 1196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1185
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1197
  * 
  *             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 = 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 = 1197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       (__pyx_v_f_back_high[0]) = __pyx_t_1;
       goto __pyx_L13;
     }
     __pyx_L13:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1187
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1199
  *                 f_back_high[0] = f_high
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:             # <<<<<<<<<<<<<<
@@ -48904,7 +48058,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1188
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1200
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -48917,7 +48071,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L14:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1190
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1202
  *                 return 1
  * 
  *             if allow_low_x == 0 and f_back_low[0] < f_low:             # <<<<<<<<<<<<<<
@@ -48933,7 +48087,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_5) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1192
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1204
  *             if allow_low_x == 0 and f_back_low[0] < f_low:
  *                 # FAIL: f phrase is not tight
  *                 return 0             # <<<<<<<<<<<<<<
@@ -48946,7 +48100,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L15:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1194
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1206
  *                 return 0
  * 
  *             if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -48956,7 +48110,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1196
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1208
  *             if f_back_high[0] - f_back_low[0] > max_f_len:
  *                 # FAIL: f back projection is too wide
  *                 return 0             # <<<<<<<<<<<<<<
@@ -48969,7 +48123,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L16:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1198
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1210
  *                 return 0
  * 
  *             if allow_high_x == 0 and f_back_high[0] > f_high:             # <<<<<<<<<<<<<<
@@ -48978,12 +48132,11 @@ 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 = 1198; __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 = 1210; __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); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_2);
+      __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 = 1210; __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 = 1198; __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 = 1210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -48991,7 +48144,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_4) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1200
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1212
  *             if allow_high_x == 0 and f_back_high[0] > f_high:
  *                 # FAIL: extension on high side not allowed
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49004,7 +48157,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L17:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1202
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1214
  *                 return 0
  * 
  *             if f_low != f_back_low[0]:             # <<<<<<<<<<<<<<
@@ -49014,7 +48167,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1203
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1215
  * 
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:             # <<<<<<<<<<<<<<
@@ -49024,7 +48177,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1204
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1216
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -49034,7 +48187,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1206
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1218
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on low side violates max # of gaps
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49047,7 +48200,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1208
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1220
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -49056,7 +48209,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1209
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1221
  *                     else:
  *                         new_x = new_x + 1
  *                         new_low_x = 1             # <<<<<<<<<<<<<<
@@ -49070,7 +48223,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
       }
       __pyx_L19:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1210
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1222
  *                         new_x = new_x + 1
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:             # <<<<<<<<<<<<<<
@@ -49080,7 +48233,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1211
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1223
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:
  *                     f_back_low[0] = f_low - min_fx_size             # <<<<<<<<<<<<<<
@@ -49089,7 +48242,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1212
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1224
  *                 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:             # <<<<<<<<<<<<<<
@@ -49099,7 +48252,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
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         if (__pyx_t_4) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1214
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1226
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49112,7 +48265,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         __pyx_L22:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1215
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1227
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0
  *                     if f_back_low[0] < 0:             # <<<<<<<<<<<<<<
@@ -49122,7 +48275,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         __pyx_t_4 = ((__pyx_v_f_back_low[0]) < 0);
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-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1217
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1229
  *                     if f_back_low[0] < 0:
  *                         # FAIL: extension required on low side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49141,23 +48294,22 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1219
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1231
  *                         return 0
  * 
  *             if f_high != f_back_high[0]:             # <<<<<<<<<<<<<<
  *                 if new_high_x == 0:
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-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1219; __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 = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __Pyx_GOTREF(__pyx_t_6);
+    __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 = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1219; __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 = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1220
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1232
  * 
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:             # <<<<<<<<<<<<<<
@@ -49167,7 +48319,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
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       if (__pyx_t_4) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1221
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1233
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -49177,7 +48329,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
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         if (__pyx_t_4) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1223
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1235
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on high side violates max # of gaps
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@@ -49190,7 +48342,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         /*else*/ {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1225
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1237
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -49199,7 +48351,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1226
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1238
  *                     else:
  *                         new_x = new_x + 1
  *                         new_high_x = 1             # <<<<<<<<<<<<<<
@@ -49213,45 +48365,44 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1227
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1239
  *                         new_x = new_x + 1
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:             # <<<<<<<<<<<<<<
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+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __Pyx_GOTREF(__pyx_t_7);
+      __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 = 1239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1227; __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 = 1239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1228
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1240
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:
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  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
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-        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1228; __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 = 1240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __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 = 1228; __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 = 1240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         (__pyx_v_f_back_high[0]) = __pyx_t_1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1229
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1241
  *                 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:             # <<<<<<<<<<<<<<
@@ -49261,7 +48412,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1231
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1243
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49274,7 +48425,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
         }
         __pyx_L28:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1232
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1244
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0
  *                     if f_back_high[0] > f_sent_len:             # <<<<<<<<<<<<<<
@@ -49284,7 +48435,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1234
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1246
  *                     if f_back_high[0] > f_sent_len:
  *                         # FAIL: extension required on high side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -49303,7 +48454,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L24:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1236
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1248
  *                         return 0
  * 
  *             e_low_prev = e_low[0]             # <<<<<<<<<<<<<<
@@ -49312,7 +48463,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_e_low_prev = (__pyx_v_e_low[0]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1237
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1249
  * 
  *             e_low_prev = e_low[0]
  *             e_high_prev = e_high[0]             # <<<<<<<<<<<<<<
@@ -49321,29 +48472,29 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_e_high_prev = (__pyx_v_e_high[0]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1239
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1251
  *             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 = 1239; __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 = 1251; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1240
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1252
  * 
  *             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 = 1240; __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 = 1252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1241
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1253
  *             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:             # <<<<<<<<<<<<<<
@@ -49359,7 +48510,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     if (__pyx_t_3) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1242
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1254
  *             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             # <<<<<<<<<<<<<<
@@ -49372,7 +48523,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L30:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1243
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1255
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1
  *             if allow_arbitrary_x == 0:             # <<<<<<<<<<<<<<
@@ -49382,7 +48533,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1245
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1257
  *             if allow_arbitrary_x == 0:
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49395,7 +48546,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L31:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1246
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1258
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0
  *             if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
@@ -49405,7 +48556,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1248
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1260
  *             if e_high[0] - e_low[0] > max_e_len:
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0             # <<<<<<<<<<<<<<
@@ -49418,7 +48569,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
     }
     __pyx_L32:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1249
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1261
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0
  *             f_low_prev = f_back_low[0]             # <<<<<<<<<<<<<<
@@ -49427,7 +48578,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
  */
     __pyx_v_f_low_prev = (__pyx_v_f_back_low[0]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1250
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1262
  *                 return 0
  *             f_low_prev = f_back_low[0]
  *             f_high_prev = f_back_high[0]             # <<<<<<<<<<<<<<
@@ -49450,7 +48601,7 @@ static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1253
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1265
  * 
  * 
  *     cdef find_projection(self, int in_low, int in_high, int* in_links_low, int* in_links_high,             # <<<<<<<<<<<<<<
@@ -49468,7 +48619,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("find_projection", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1256
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1268
  *                         int* out_low, int* out_high):
  *         cdef int i
  *         for i from in_low <= i < in_high:             # <<<<<<<<<<<<<<
@@ -49478,7 +48629,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1257
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1269
  *         cdef int i
  *         for i from in_low <= i < in_high:
  *             if in_links_low[i] != -1:             # <<<<<<<<<<<<<<
@@ -49488,7 +48639,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1258
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1270
  *         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]:             # <<<<<<<<<<<<<<
@@ -49504,7 +48655,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       if (__pyx_t_4) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1259
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1271
  *             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]             # <<<<<<<<<<<<<<
@@ -49516,7 +48667,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       __pyx_L6:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1260
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1272
  *                 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]:             # <<<<<<<<<<<<<<
@@ -49532,7 +48683,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
       }
       if (__pyx_t_3) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1261
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1273
  *                     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]             # <<<<<<<<<<<<<<
@@ -49554,7 +48705,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_U
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1264
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1276
  * 
  * 
  *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):             # <<<<<<<<<<<<<<
@@ -49568,7 +48719,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("int_arr_extend", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1266
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1278
  *     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             # <<<<<<<<<<<<<<
@@ -49577,7 +48728,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1267
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1279
  *         cdef int new_len
  *         new_len = arr_len[0] + data_len
  *         arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49586,7 +48737,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1268
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1280
  *         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))             # <<<<<<<<<<<<<<
@@ -49595,7 +48746,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1269
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1281
  *         arr = <int*> realloc(arr, new_len*sizeof(int))
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -49604,7 +48755,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
  */
   (__pyx_v_arr_len[0]) = __pyx_v_new_len;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1270
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1282
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len
  *         return arr             # <<<<<<<<<<<<<<
@@ -49620,7 +48771,7 @@ static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1273
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1285
  * 
  * 
  *     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,             # <<<<<<<<<<<<<<
@@ -49666,19 +48817,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("extract_phrases", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1281
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1293
  *         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 = 1281; __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 = 1293; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_result = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1282
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1294
  * 
  *         result = []
  *         len1 = 0             # <<<<<<<<<<<<<<
@@ -49687,7 +48838,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1283
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1295
  *         result = []
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -49696,19 +48847,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps1 = ((int *)malloc(0));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1284
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1296
  *         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 = 1284; __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 = 1296; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1286
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1298
  *         ephr_arr = IntList()
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49717,7 +48868,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gap_order = ((int *)malloc((__pyx_v_num_gaps * (sizeof(int)))));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1287
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1299
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:             # <<<<<<<<<<<<<<
@@ -49727,7 +48878,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_2 = (__pyx_v_num_gaps > 0);
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1288
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1300
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0             # <<<<<<<<<<<<<<
@@ -49736,7 +48887,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     (__pyx_v_e_gap_order[0]) = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1289
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1301
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -49746,7 +48897,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1290
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1302
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:             # <<<<<<<<<<<<<<
@@ -49756,7 +48907,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1291
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1303
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -49766,7 +48917,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1292
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1304
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:             # <<<<<<<<<<<<<<
@@ -49776,7 +48927,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1293
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1305
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]             # <<<<<<<<<<<<<<
@@ -49786,7 +48937,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1294
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1306
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i             # <<<<<<<<<<<<<<
@@ -49795,7 +48946,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
           (__pyx_v_e_gap_order[__pyx_v_j]) = __pyx_v_i;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1295
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1307
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i
  *                         break             # <<<<<<<<<<<<<<
@@ -49809,7 +48960,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1297
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1309
  *                         break
  *                 else:
  *                     e_gap_order[i] = i             # <<<<<<<<<<<<<<
@@ -49824,7 +48975,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   }
   __pyx_L3:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1299
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1311
  *                     e_gap_order[i] = i
  * 
  *         e_x_low = e_low             # <<<<<<<<<<<<<<
@@ -49833,7 +48984,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_x_low = __pyx_v_e_low;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1300
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1312
  * 
  *         e_x_low = e_low
  *         e_x_high = e_high             # <<<<<<<<<<<<<<
@@ -49842,7 +48993,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_x_high = __pyx_v_e_high;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1301
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1313
  *         e_x_low = e_low
  *         e_x_high = e_high
  *         if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
@@ -49852,7 +49003,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
   if (__pyx_t_2) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1302
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1314
  *         e_x_high = e_high
  *         if self.tight_phrases == 0:
  *             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:             # <<<<<<<<<<<<<<
@@ -49875,7 +49026,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (!__pyx_t_6) break;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1303
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1315
  *         if self.tight_phrases == 0:
  *             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             # <<<<<<<<<<<<<<
@@ -49885,7 +49036,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_v_e_x_low = (__pyx_v_e_x_low - 1);
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1304
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1316
  *             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:             # <<<<<<<<<<<<<<
@@ -49908,7 +49059,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (!__pyx_t_2) break;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1305
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1317
  *                 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             # <<<<<<<<<<<<<<
@@ -49921,7 +49072,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
   }
   __pyx_L11:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1307
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1319
  *                 e_x_high = e_x_high + 1
  * 
  *         for i from e_x_low <= i <= e_low:             # <<<<<<<<<<<<<<
@@ -49931,7 +49082,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1308
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1320
  * 
  *         for i from e_x_low <= i <= e_low:
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)             # <<<<<<<<<<<<<<
@@ -49941,7 +49092,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1310
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1322
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
  * 
  *         for i from 0 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -49951,7 +49102,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1311
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1323
  * 
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -49960,7 +49111,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1312
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1324
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)
  *             len2 = 0             # <<<<<<<<<<<<<<
@@ -49969,7 +49120,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_len2 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1314
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1326
  *             len2 = 0
  * 
  *             j = e_gap_order[i]             # <<<<<<<<<<<<<<
@@ -49978,7 +49129,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_j = (__pyx_v_e_gap_order[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1315
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1327
  * 
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]             # <<<<<<<<<<<<<<
@@ -49987,7 +49138,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1316
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1328
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]             # <<<<<<<<<<<<<<
@@ -49996,7 +49147,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1317
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1329
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]
  *             if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
@@ -50006,7 +49157,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
     if (__pyx_t_2) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1318
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1330
  *             e_x_gap_high = e_gap_high[j]
  *             if self.tight_phrases == 0:
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -50023,7 +49174,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         }
         if (!__pyx_t_7) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1319
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1331
  *             if self.tight_phrases == 0:
  *                 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             # <<<<<<<<<<<<<<
@@ -50033,7 +49184,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_v_e_x_gap_low = (__pyx_v_e_x_gap_low - 1);
       }
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1320
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1332
  *                 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:             # <<<<<<<<<<<<<<
@@ -50050,7 +49201,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         }
         if (!__pyx_t_6) break;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1321
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1333
  *                     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             # <<<<<<<<<<<<<<
@@ -50063,7 +49214,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     }
     __pyx_L20:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1323
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1335
  *                     e_x_gap_high = e_x_gap_high + 1
  * 
  *             k = 0             # <<<<<<<<<<<<<<
@@ -50072,7 +49223,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_k = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1324
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1336
  * 
  *             k = 0
  *             step = 1+(i*2)             # <<<<<<<<<<<<<<
@@ -50081,7 +49232,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_step = (1 + (__pyx_v_i * 2));
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1325
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1337
  *             k = 0
  *             step = 1+(i*2)
  *             while k < len1:             # <<<<<<<<<<<<<<
@@ -50092,7 +49243,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1326
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1338
  *             step = 1+(i*2)
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -50102,7 +49253,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1327
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1339
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
  *                     if m >= e_gaps1[k+step-1]:             # <<<<<<<<<<<<<<
@@ -50112,7 +49263,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1328
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1340
  *                 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:             # <<<<<<<<<<<<<<
@@ -50122,7 +49273,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1329
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1341
  *                     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             # <<<<<<<<<<<<<<
@@ -50132,7 +49283,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1330
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1342
  *                         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)             # <<<<<<<<<<<<<<
@@ -50141,7 +49292,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1331
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1343
  *                             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)             # <<<<<<<<<<<<<<
@@ -50150,7 +49301,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1332
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1344
  *                                 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)             # <<<<<<<<<<<<<<
@@ -50167,7 +49318,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
         __pyx_L29:;
       }
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1333
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1345
  *                                 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             # <<<<<<<<<<<<<<
@@ -50177,7 +49328,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_v_k = (__pyx_v_k + __pyx_v_step);
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1334
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1346
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step
  *             free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -50186,7 +49337,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     free(__pyx_v_e_gaps1);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1335
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1347
  *                 k = k + step
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -50195,7 +49346,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1336
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1348
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2
  *             len1 = len2             # <<<<<<<<<<<<<<
@@ -50205,7 +49356,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     __pyx_v_len1 = __pyx_v_len2;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1338
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1350
  *             len1 = len2
  * 
  *         step = 1+(num_gaps*2)             # <<<<<<<<<<<<<<
@@ -50214,7 +49365,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_step = (1 + (__pyx_v_num_gaps * 2));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1339
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1351
  * 
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -50223,7 +49374,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1340
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1352
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0             # <<<<<<<<<<<<<<
@@ -50232,7 +49383,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1341
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1353
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:             # <<<<<<<<<<<<<<
@@ -50242,7 +49393,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1342
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1354
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:
  *             j = 0             # <<<<<<<<<<<<<<
@@ -50251,7 +49402,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_j = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1343
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1355
  *         for i from e_high <= i <= e_x_high:
  *             j = 0
  *             while j < len1:             # <<<<<<<<<<<<<<
@@ -50262,7 +49413,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1344
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1356
  *             j = 0
  *             while j < len1:
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:             # <<<<<<<<<<<<<<
@@ -50278,7 +49429,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       if (__pyx_t_2) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1345
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1357
  *             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)             # <<<<<<<<<<<<<<
@@ -50287,7 +49438,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1346
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1358
  *                 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)             # <<<<<<<<<<<<<<
@@ -50299,7 +49450,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       __pyx_L37:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1347
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1359
  *                     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             # <<<<<<<<<<<<<<
@@ -50310,7 +49461,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
     }
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1348
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1360
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step
  *         free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -50319,7 +49470,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   free(__pyx_v_e_gaps1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1349
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1361
  *                 j = j + step
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -50328,7 +49479,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1350
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1362
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2
  *         len1 = len2             # <<<<<<<<<<<<<<
@@ -50337,7 +49488,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_len1 = __pyx_v_len2;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1352
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1364
  *         len1 = len2
  * 
  *         step = (num_gaps+1)*2             # <<<<<<<<<<<<<<
@@ -50346,7 +49497,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_step = ((__pyx_v_num_gaps + 1) * 2);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1353
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1365
  * 
  *         step = (num_gaps+1)*2
  *         i = 0             # <<<<<<<<<<<<<<
@@ -50355,7 +49506,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
   __pyx_v_i = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1355
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1367
  *         i = 0
  * 
  *         while i < len1:             # <<<<<<<<<<<<<<
@@ -50366,7 +49517,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1356
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1368
  * 
  *         while i < len1:
  *             ephr_arr._clear()             # <<<<<<<<<<<<<<
@@ -50375,7 +49526,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1357
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1369
  *         while i < len1:
  *             ephr_arr._clear()
  *             num_chunks = 0             # <<<<<<<<<<<<<<
@@ -50384,20 +49535,20 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
  */
     __pyx_v_num_chunks = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1358
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1370
  *             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 = 1358; __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 = 1370; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1359
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1371
  *             num_chunks = 0
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:             # <<<<<<<<<<<<<<
@@ -50407,7 +49558,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1360
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1372
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
@@ -50417,7 +49568,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1361
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1373
  *             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             # <<<<<<<<<<<<<<
@@ -50429,7 +49580,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       }
       __pyx_L42:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1362
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1374
  *                 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]:             # <<<<<<<<<<<<<<
@@ -50439,19 +49590,19 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1363
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1375
  *                     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 = 1363; __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 = 1375; __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 = 1363; __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 = 1375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1364
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1376
  *                 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]])             # <<<<<<<<<<<<<<
@@ -50459,14 +49610,14 @@ 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 = 1364; __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 = 1376; __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 = 1364; __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 = 1376; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1365
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1377
  *                     indexes.append(k)
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:             # <<<<<<<<<<<<<<
@@ -50476,19 +49627,19 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1366
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1378
  *                     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 = 1366; __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 = 1378; __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 = 1366; __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 = 1378; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1367
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1379
  *                 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))             # <<<<<<<<<<<<<<
@@ -50501,7 +49652,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct _
       __pyx_L45:;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1368
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1380
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@@ -50766,19 +49914,19 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
         __pyx_v_j = __pyx_t_5;
         __pyx_t_5 = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1387
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1399
  *                 if (sent_links[idx] == s):
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  *                     ret.append(i*65536+j)             # <<<<<<<<<<<<<<
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  *         return ret
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-        __pyx_t_5 = PyInt_FromLong((__pyx_v_i * 65536)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __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 = 1399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_v_j); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1387; __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 = 1399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __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 = 1387; __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 = 1399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -50786,14 +49934,14 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
       }
       __pyx_L8:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1388
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1400
  *                     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 = 1388; __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 = 1400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
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       __pyx_v_idx = __pyx_t_5;
@@ -50802,7 +49950,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
     __pyx_L3_continue:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1389
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1401
  *                     ret.append(i*65536+j)
  *                 idx += 2
  *         return ret             # <<<<<<<<<<<<<<
@@ -50832,7 +49980,7 @@ static struct __pyx_obj_3_sa_IntList *__pyx_f_3_sa_23HieroCachingRuleFactory_cre
   return __pyx_r;
 }
 
-/* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1391
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1403
  *         return ret
  * 
  *     cdef extract(self, Phrase phrase, Matching* matching, int* chunklen, int num_chunks):             # <<<<<<<<<<<<<<
@@ -50926,19 +50074,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("extract", 0);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1404
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1416
  *         cdef reason_for_failure
  * 
  *         fphr_arr = IntList()             # <<<<<<<<<<<<<<
  *         phrase_len = phrase.n
  *         extracts = []
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-  __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 = 1404; __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 = 1416; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1405
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1417
  * 
  *         fphr_arr = IntList()
  *         phrase_len = phrase.n             # <<<<<<<<<<<<<<
@@ -50947,19 +50095,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_phrase_len = __pyx_v_phrase->n;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1406
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1418
  *         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 = 1406; __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 = 1418; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1407
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1419
  *         phrase_len = phrase.n
  *         extracts = []
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)             # <<<<<<<<<<<<<<
@@ -50968,7 +50116,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1409
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1421
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]             # <<<<<<<<<<<<<<
@@ -50977,7 +50125,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1410
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1422
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]             # <<<<<<<<<<<<<<
@@ -50986,7 +50134,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1411
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1423
  *         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             # <<<<<<<<<<<<<<
@@ -50995,7 +50143,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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   __pyx_v_e_sent_len = ((__pyx_v_e_sent_end - __pyx_v_e_sent_start) - 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1412
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1424
  *         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]             # <<<<<<<<<<<<<<
@@ -51004,7 +50152,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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   __pyx_v_f_sent_start = (__pyx_v_self->fda->sent_index->arr[__pyx_v_matching->sent_id]);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1413
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1425
  *         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]             # <<<<<<<<<<<<<<
@@ -51013,7 +50161,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1414
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1426
  *         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             # <<<<<<<<<<<<<<
@@ -51022,21 +50170,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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   __pyx_v_f_sent_len = ((__pyx_v_f_sent_end - __pyx_v_f_sent_start) - 1);
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1416
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1428
  *         f_sent_len = f_sent_end - f_sent_start - 1
  * 
  *         self.findexes1.reset()             # <<<<<<<<<<<<<<
  *         sofar = 0
  *         for i in range(num_chunks):
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-  __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 = 1416; __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 = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __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 = 1416; __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 = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1417
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1429
  * 
  *         self.findexes1.reset()
  *         sofar = 0             # <<<<<<<<<<<<<<
@@ -51046,7 +50194,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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   __pyx_v_sofar = __pyx_int_0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1418
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1430
  *         self.findexes1.reset()
  *         sofar = 0
  *         for i in range(num_chunks):             # <<<<<<<<<<<<<<
@@ -51057,7 +50205,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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     __pyx_v_i = __pyx_t_4;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1419
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1431
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  *         for i in range(num_chunks):
  *             for j in range(chunklen[i]):             # <<<<<<<<<<<<<<
@@ -51068,35 +50216,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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       __pyx_v_j = __pyx_t_6;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1420
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1432
  *         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):
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-      __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 = 1420; __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 = 1432; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __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 = 1420; __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 = 1432; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1421
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1433
  *             for j in range(chunklen[i]):
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
  *                 sofar += 1             # <<<<<<<<<<<<<<
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  *                 self.findexes1.append(phrase[sofar])
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-      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1421; __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 = 1433; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_DECREF(__pyx_v_sofar);
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       __pyx_t_1 = 0;
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-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1422
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1434
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
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  *             if (i+1<num_chunks):             # <<<<<<<<<<<<<<
@@ -51106,28 +50254,28 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
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     if (__pyx_t_7) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1423
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1435
  *                 sofar += 1
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])             # <<<<<<<<<<<<<<
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+      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1435; __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 = 1423; __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 = 1435; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1424
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1436
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  *                 self.findexes1.append(phrase[sofar])
  *                 sofar += 1             # <<<<<<<<<<<<<<
  * 
  * 
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-      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1424; __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 = 1436; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -51137,7 +50285,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_L7:;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1427
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1439
  * 
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -51146,7 +50294,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1428
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1440
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -51155,7 +50303,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1429
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1441
  *         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))             # <<<<<<<<<<<<<<
@@ -51164,7 +50312,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1430
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1442
  *         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))             # <<<<<<<<<<<<<<
@@ -51173,7 +50321,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1431
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1443
  *         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))             # <<<<<<<<<<<<<<
@@ -51182,7 +50330,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1432
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1444
  *         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))             # <<<<<<<<<<<<<<
@@ -51191,7 +50339,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1433
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1445
  *         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))             # <<<<<<<<<<<<<<
@@ -51200,7 +50348,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1434
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1446
  *         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))             # <<<<<<<<<<<<<<
@@ -51209,7 +50357,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1435
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1447
  *         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))             # <<<<<<<<<<<<<<
@@ -51218,7 +50366,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1436
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1448
  *         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))             # <<<<<<<<<<<<<<
@@ -51227,7 +50375,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1437
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1449
  *         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))             # <<<<<<<<<<<<<<
@@ -51236,7 +50384,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1438
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1450
  *         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))             # <<<<<<<<<<<<<<
@@ -51245,7 +50393,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1440
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1452
  *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
  * 
  *         reason_for_failure = ""             # <<<<<<<<<<<<<<
@@ -51255,7 +50403,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1442
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1454
  *         reason_for_failure = ""
  * 
  *         for i from 0 <= i < e_sent_len:             # <<<<<<<<<<<<<<
@@ -51265,7 +50413,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1443
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1455
  * 
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -51274,7 +50422,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     (__pyx_v_e_links_low[__pyx_v_i]) = -1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1444
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1456
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -51284,7 +50432,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     (__pyx_v_e_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1445
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1457
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:             # <<<<<<<<<<<<<<
@@ -51294,7 +50442,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1446
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1458
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -51303,7 +50451,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     (__pyx_v_f_links_low[__pyx_v_i]) = -1;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1447
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1459
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1
  *             f_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -51313,7 +50461,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     (__pyx_v_f_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1453
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1465
  *         # links that we care about (but then how to look up
  *         # when we want to check something on the e side?)
  *         i = 0             # <<<<<<<<<<<<<<
@@ -51322,7 +50470,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_i = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1454
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1466
  *         # when we want to check something on the e side?)
  *         i = 0
  *         while i < num_links*2:             # <<<<<<<<<<<<<<
@@ -51333,7 +50481,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1455
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1467
  *         i = 0
  *         while i < num_links*2:
  *             f_i = sent_links[i]             # <<<<<<<<<<<<<<
@@ -51342,7 +50490,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_f_i = (__pyx_v_sent_links[__pyx_v_i]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1456
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1468
  *         while i < num_links*2:
  *             f_i = sent_links[i]
  *             e_i = sent_links[i+1]             # <<<<<<<<<<<<<<
@@ -51351,7 +50499,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_e_i = (__pyx_v_sent_links[(__pyx_v_i + 1)]);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1457
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1469
  *             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:             # <<<<<<<<<<<<<<
@@ -51367,7 +50515,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_9) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1458
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1470
  *             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             # <<<<<<<<<<<<<<
@@ -51379,7 +50527,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L14:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1459
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1471
  *             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:             # <<<<<<<<<<<<<<
@@ -51395,7 +50543,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_8) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1460
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1472
  *                 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             # <<<<<<<<<<<<<<
@@ -51407,7 +50555,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L15:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1461
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1473
  *             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:             # <<<<<<<<<<<<<<
@@ -51423,7 +50571,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_7) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1462
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1474
  *                 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             # <<<<<<<<<<<<<<
@@ -51435,7 +50583,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L16:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1463
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1475
  *             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:             # <<<<<<<<<<<<<<
@@ -51451,7 +50599,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_9) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1464
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1476
  *                 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             # <<<<<<<<<<<<<<
@@ -51463,7 +50611,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L17:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1465
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1477
  *             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             # <<<<<<<<<<<<<<
@@ -51473,19 +50621,19 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_v_i = (__pyx_v_i + 2);
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1467
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1479
  *             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 = 1467; __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 = 1479; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __pyx_v_als = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1468
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1480
  * 
  *         als = []
  *         for x in range(matching.start,matching.end):             # <<<<<<<<<<<<<<
@@ -51496,18 +50644,18 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1469
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1481
  *         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 = 1469; __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 = 1481; __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 = 1469; __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 = 1481; __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 = 1469; __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 = 1481; __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);
@@ -51519,17 +50667,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     __pyx_v_al = __pyx_t_10;
     __pyx_t_10 = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1470
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1482
  *         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 = 1470; __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 = 1482; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1472
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1484
  *             als.append(al)
  *         # check all source-side alignment constraints
  *         met_constraints = 1             # <<<<<<<<<<<<<<
@@ -51538,7 +50686,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   __pyx_v_met_constraints = 1;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1473
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1485
  *         # check all source-side alignment constraints
  *         met_constraints = 1
  *         if self.require_aligned_terminal:             # <<<<<<<<<<<<<<
@@ -51547,7 +50695,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   if (__pyx_v_self->require_aligned_terminal) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1474
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1486
  *         met_constraints = 1
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0             # <<<<<<<<<<<<<<
@@ -51556,7 +50704,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
     __pyx_v_num_aligned_chunks = 0;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1475
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1487
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:             # <<<<<<<<<<<<<<
@@ -51566,7 +50714,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1476
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1488
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:
  *                 for j from 0 <= j < chunklen[i]:             # <<<<<<<<<<<<<<
@@ -51576,7 +50724,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1477
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1489
  *             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:             # <<<<<<<<<<<<<<
@@ -51586,7 +50734,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1478
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1490
  *                 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             # <<<<<<<<<<<<<<
@@ -51595,7 +50743,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           __pyx_v_num_aligned_chunks = (__pyx_v_num_aligned_chunks + 1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1479
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1491
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break             # <<<<<<<<<<<<<<
@@ -51610,7 +50758,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_L24_break:;
     }
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1480
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1492
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break
  *             if num_aligned_chunks == 0:             # <<<<<<<<<<<<<<
@@ -51620,18 +50768,18 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1481
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1493
  *                         break
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"             # <<<<<<<<<<<<<<
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  */
-      __Pyx_INCREF(((PyObject *)__pyx_kp_s_127));
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_126));
       __Pyx_DECREF(__pyx_v_reason_for_failure);
-      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_127);
+      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1482
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1494
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -51643,7 +50791,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     __pyx_L26:;
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1483
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1495
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:             # <<<<<<<<<<<<<<
@@ -51658,18 +50806,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
     }
     if (__pyx_t_7) {
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1484
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1496
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"             # <<<<<<<<<<<<<<
  *                 met_constraints = 0
  * 
  */
-      __Pyx_INCREF(((PyObject *)__pyx_kp_s_128));
+      __Pyx_INCREF(((PyObject *)__pyx_kp_s_127));
       __Pyx_DECREF(__pyx_v_reason_for_failure);
-      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
+      __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_127);
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1485
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1497
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -51684,7 +50832,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   __pyx_L20:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1487
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1499
  *                 met_constraints = 0
  * 
  *         if met_constraints and self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -51698,7 +50846,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   if (__pyx_t_7) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1489
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1501
  *         if met_constraints and self.tight_phrases:
  *             # outside edge constraints are checked later
  *             for i from 0 <= i < num_chunks-1:             # <<<<<<<<<<<<<<
@@ -51708,7 +50856,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1490
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1502
  *             # 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:             # <<<<<<<<<<<<<<
@@ -51718,18 +50866,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_7 = ((__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_7) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1491
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1503
  *             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"             # <<<<<<<<<<<<<<
  *                     met_constraints = 0
  *                     break
  */
-        __Pyx_INCREF(((PyObject *)__pyx_kp_s_129));
+        __Pyx_INCREF(((PyObject *)__pyx_kp_s_128));
         __Pyx_DECREF(__pyx_v_reason_for_failure);
-        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_129);
+        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1492
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1504
  *                 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             # <<<<<<<<<<<<<<
@@ -51738,7 +50886,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1493
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1505
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -51750,7 +50898,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L31:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1494
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1506
  *                     met_constraints = 0
  *                     break
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:             # <<<<<<<<<<<<<<
@@ -51760,18 +50908,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_7 = ((__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_7) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1495
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1507
  *                     break
  *                 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
  *                     break
  */
-        __Pyx_INCREF(((PyObject *)__pyx_kp_s_129));
+        __Pyx_INCREF(((PyObject *)__pyx_kp_s_128));
         __Pyx_DECREF(__pyx_v_reason_for_failure);
-        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_129);
+        __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_128);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1496
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1508
  *                 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             # <<<<<<<<<<<<<<
@@ -51780,7 +50928,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1497
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1509
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -51797,7 +50945,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
   }
   __pyx_L28:;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1499
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1511
  *                     break
  * 
  *         f_low = matching.arr[matching.start] - f_sent_start             # <<<<<<<<<<<<<<
@@ -51806,7 +50954,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1500
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1512
  * 
  *         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             # <<<<<<<<<<<<<<
@@ -51815,7 +50963,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1501
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1513
  *         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:             # <<<<<<<<<<<<<<
@@ -51824,17 +50972,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
   if (__pyx_v_met_constraints) {
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1503
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1515
  *         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 = 1503; __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 = 1515; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
 
-    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1507
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1519
  *                                 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):             # <<<<<<<<<<<<<<
@@ -51845,7 +50993,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1508
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1520
  *                                 self.train_min_gap_size, 0,
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0             # <<<<<<<<<<<<<<
@@ -51854,7 +51002,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
       __pyx_v_gap_error = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1509
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1521
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0
  *                 num_gaps = 0             # <<<<<<<<<<<<<<
@@ -51863,7 +51011,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
       __pyx_v_num_gaps = 0;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1511
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1523
  *                 num_gaps = 0
  * 
  *                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -51873,7 +51021,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1512
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1524
  * 
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low             # <<<<<<<<<<<<<<
@@ -51882,7 +51030,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_low[0]) = __pyx_v_f_back_low;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1513
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1525
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low             # <<<<<<<<<<<<<<
@@ -51891,7 +51039,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         (__pyx_v_f_gap_high[0]) = __pyx_v_f_low;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1514
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1526
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1             # <<<<<<<<<<<<<<
@@ -51900,7 +51048,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_num_gaps = 1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1515
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1527
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1
  *                     gap_start = 0             # <<<<<<<<<<<<<<
@@ -51909,7 +51057,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_gap_start = 0;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1516
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1528
  *                     num_gaps = 1
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -51918,7 +51066,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1517
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1529
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -51928,7 +51076,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1518
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1530
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -51940,7 +51088,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L36:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1519
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1531
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -51949,7 +51097,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1520
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1532
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -51965,7 +51113,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_8) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1521
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1533
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -51974,16 +51122,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1522
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1534
  *                         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"             # <<<<<<<<<<<<<<
  *                 else:
  *                     gap_start = 1
  */
-            __Pyx_INCREF(((PyObject *)__pyx_kp_s_130));
+            __Pyx_INCREF(((PyObject *)__pyx_kp_s_129));
             __Pyx_DECREF(__pyx_v_reason_for_failure);
-            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_130);
+            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_129);
             goto __pyx_L38;
           }
           __pyx_L38:;
@@ -51994,7 +51142,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1524
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1536
  *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
  *                 else:
  *                     gap_start = 1             # <<<<<<<<<<<<<<
@@ -52003,7 +51151,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_gap_start = 1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1525
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1537
  *                 else:
  *                     gap_start = 1
  *                     if self.tight_phrases and f_links_low[f_low] == -1:             # <<<<<<<<<<<<<<
@@ -52018,7 +51166,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_7) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1528
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1540
  *                         # 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             # <<<<<<<<<<<<<<
@@ -52032,7 +51180,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L35:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1530
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1542
  *                         met_constraints = 0
  * 
  *                 for i from 0 <= i < matching.size - 1:             # <<<<<<<<<<<<<<
@@ -52042,7 +51190,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1531
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1543
  * 
  *                 for i from 0 <= i < matching.size - 1:
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start             # <<<<<<<<<<<<<<
@@ -52051,7 +51199,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1532
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1544
  *                 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             # <<<<<<<<<<<<<<
@@ -52060,7 +51208,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1533
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1545
  *                     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             # <<<<<<<<<<<<<<
@@ -52070,7 +51218,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
       }
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1535
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1547
  *                     num_gaps = num_gaps + 1
  * 
  *                 if f_high < f_back_high:             # <<<<<<<<<<<<<<
@@ -52080,7 +51228,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_7 = (__pyx_v_f_high < __pyx_v_f_back_high);
       if (__pyx_t_7) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1536
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1548
  * 
  *                 if f_high < f_back_high:
  *                     f_gap_low[gap_start+num_gaps] = f_high             # <<<<<<<<<<<<<<
@@ -52089,7 +51237,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1537
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1549
  *                 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             # <<<<<<<<<<<<<<
@@ -52098,7 +51246,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1538
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1550
  *                     f_gap_low[gap_start+num_gaps] = f_high
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
@@ -52107,7 +51255,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1539
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1551
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -52116,7 +51264,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1540
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1552
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -52126,7 +51274,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1541
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1553
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -52138,7 +51286,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L43:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1542
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1554
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52147,7 +51295,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1543
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1555
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:             # <<<<<<<<<<<<<<
@@ -52163,7 +51311,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_9) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1544
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1556
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -52172,16 +51320,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1545
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1557
  *                         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"             # <<<<<<<<<<<<<<
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
  */
-            __Pyx_INCREF(((PyObject *)__pyx_kp_s_131));
+            __Pyx_INCREF(((PyObject *)__pyx_kp_s_130));
             __Pyx_DECREF(__pyx_v_reason_for_failure);
-            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_131);
+            __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_130);
             goto __pyx_L45;
           }
           __pyx_L45:;
@@ -52192,7 +51340,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       /*else*/ {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1547
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1559
  *                             reason_for_failure = "Inside edges of following subphrase are not tight"
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -52207,7 +51355,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_7) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1548
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1560
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
  *                         met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52221,7 +51369,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L42:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1550
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1562
  *                         met_constraints = 0
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -52231,7 +51379,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_7 = (__pyx_v_gap_error == 0);
       if (__pyx_t_7) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1551
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1563
  * 
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low             # <<<<<<<<<<<<<<
@@ -52240,7 +51388,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1552
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1564
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low
  *                     for i from 0 <= i < num_gaps: # check integrity of subphrases             # <<<<<<<<<<<<<<
@@ -52250,17 +51398,17 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1553
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1565
  *                     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 = 1553; __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 = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1558
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1570
  *                                             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,             # <<<<<<<<<<<<<<
@@ -52271,7 +51419,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1560
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1572
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -52280,18 +51428,18 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_gap_error = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1561
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1573
  *                                             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 = 1561; __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 = 1573; __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 = 1561; __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 = 1573; __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 = 1561; __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 = 1573; __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);
@@ -52299,14 +51447,14 @@ 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 = 1561; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_131), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1573; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1562
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1574
  *                             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             # <<<<<<<<<<<<<<
@@ -52323,7 +51471,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       }
       __pyx_L47:;
 
-      /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1564
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1576
  *                             break
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -52333,7 +51481,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
       __pyx_t_7 = (__pyx_v_gap_error == 0);
       if (__pyx_t_7) {
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1565
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1577
  * 
  *                 if gap_error == 0:
  *                     i = 1             # <<<<<<<<<<<<<<
@@ -52342,21 +51490,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         __pyx_v_i = 1;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1566
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1578
  *                 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 = 1566; __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 = 1578; __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 = 1566; __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 = 1578; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1567
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1579
  *                     i = 1
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -52366,7 +51514,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1568
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1580
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -52375,7 +51523,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1569
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1581
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         i = i+1             # <<<<<<<<<<<<<<
@@ -52384,16 +51532,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
           __pyx_v_i = (__pyx_v_i + 1);
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1570
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1582
  *                         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 = 1570; __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 = 1582; __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 = 1570; __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 = 1582; __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;
@@ -52401,27 +51549,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L52:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1571
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1583
  *                         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 = 1571; __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 = 1583; __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 = 1571; __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 = 1583; __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 = 1571; __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 = 1583; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1572
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1584
  *                         self.findexes.append(sym_setindex(self.category, i))
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -52431,7 +51579,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1573
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1585
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -52441,7 +51589,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1574
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1586
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -52450,7 +51598,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1575
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1587
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))
  *                             i = i + 1             # <<<<<<<<<<<<<<
@@ -52462,7 +51610,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           /*else*/ {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1577
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1589
  *                             i = i + 1
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -52474,7 +51622,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_L55:;
         }
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1578
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1590
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])
  *                     if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -52484,7 +51632,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1579
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1591
  *                             fphr_arr._append(phrase.syms[j])
  *                     if f_back_high > f_high:
  *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -52493,16 +51641,16 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1580
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1592
  *                     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)
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-          __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 = 1580; __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 = 1592; __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 = 1580; __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 = 1592; __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;
@@ -52510,25 +51658,25 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L56:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1582
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1594
  *                         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 = 1582; __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 = 1594; __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 = 1582; __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 = 1594; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1583
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1595
  * 
  *                     fphr = Phrase(fphr_arr)
  *                     if met_constraints:             # <<<<<<<<<<<<<<
@@ -52537,47 +51685,47 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
         if (__pyx_v_met_constraints) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1586
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1598
  *                         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 = 1584; __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 = 1596; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __pyx_v_phrase_list = __pyx_t_10;
           __pyx_t_10 = 0;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1587
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1599
  *                                             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 = 1587; __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 = 1599; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_t_7 = (__pyx_t_13 > 0);
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1588
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1600
  *                                             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 = 1588; __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 = 1600; __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 = 1588; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1600; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             }
             __pyx_v_pair_count = (1.0 / __pyx_t_13);
             goto __pyx_L58;
           }
           /*else*/ {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1590
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1602
  *                             pair_count = 1.0 / len(phrase_list)
  *                         else:
  *                             pair_count = 0             # <<<<<<<<<<<<<<
@@ -52586,22 +51734,22 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_pair_count = 0.0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1591
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1603
  *                         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 = 1591; __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 = 1603; __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 = 1591; __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 = 1603; __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 = 1591; __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 = 1603; __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 = 1591; __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 = 1603; __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 = 1591; __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 = 1603; __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);
@@ -52615,7 +51763,7 @@ 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 = 1591; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_14 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_132), ((PyObject *)__pyx_t_15)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1603; __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);
@@ -52624,7 +51772,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L58:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1592
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1604
  *                             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:             # <<<<<<<<<<<<<<
@@ -52635,23 +51783,31 @@ 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 = 1592; __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 = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_14);
             __pyx_t_16 = Py_TYPE(__pyx_t_14)->tp_iternext;
           }
           for (;;) {
             if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_14)) {
               if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_14)) break;
-              __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++;
+              #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 = 1604; __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 = 1604; __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;
-              __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++;
+              #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 = 1604; __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 = 1604; __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 = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 break;
               }
@@ -52659,29 +51815,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if ((likely(PyTuple_CheckExact(__pyx_t_15))) || (PyList_CheckExact(__pyx_t_15))) {
               PyObject* sequence = __pyx_t_15;
+              #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 = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              }
+              #if CYTHON_COMPILING_IN_CPYTHON
               if (likely(PyTuple_CheckExact(sequence))) {
-                if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
-                  if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                  else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                }
                 __pyx_t_1 = PyTuple_GET_ITEM(sequence, 0); 
                 __pyx_t_2 = PyTuple_GET_ITEM(sequence, 1); 
               } else {
-                if (unlikely(PyList_GET_SIZE(sequence) != 2)) {
-                  if (PyList_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                  else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                }
                 __pyx_t_1 = PyList_GET_ITEM(sequence, 0); 
                 __pyx_t_2 = PyList_GET_ITEM(sequence, 1); 
               }
               __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 = 1604; __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 = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              #endif
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-            } else {
+            } 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 = 1592; __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 = 1604; __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;
@@ -52689,14 +51851,15 @@ 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 = 1592; __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 = 1604; __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;
               __pyx_L61_unpacking_failed:;
               __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-              if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-              if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_17 = NULL;
+              if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1604; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_L62_unpacking_done:;
             }
             __Pyx_XDECREF(__pyx_v_phrase2);
@@ -52706,7 +51869,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_v_eindexes = __pyx_t_2;
             __pyx_t_2 = 0;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1593
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1605
  *                             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)             # <<<<<<<<<<<<<<
@@ -52715,31 +51878,31 @@ 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 = 1593; __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 = 1605; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1594
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1606
  *                         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
  */
-            __pyx_t_2 = PyFloat_FromDouble(__pyx_v_pair_count); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1594; __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 = 1606; __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 = 1594; __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 = 1606; __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 = 1594; __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 = 1606; __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 = 1594; __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 = 1606; __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));
@@ -52753,7 +51916,7 @@ 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 = 1594; __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 = 1606; __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;
@@ -52763,7 +51926,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         __pyx_L57:;
 
-        /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1596
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1608
  *                             extracts.append((fphr, phrase2, pair_count, tuple(als1)))
  * 
  *                     if (num_gaps < self.max_nonterminals and             # <<<<<<<<<<<<<<
@@ -52773,7 +51936,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         __pyx_t_7 = (__pyx_v_num_gaps < __pyx_v_self->max_nonterminals);
         if (__pyx_t_7) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1597
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1609
  * 
  *                     if (num_gaps < self.max_nonterminals and
  *                         phrase_len < self.max_length and             # <<<<<<<<<<<<<<
@@ -52783,7 +51946,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1598
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1610
  *                     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):             # <<<<<<<<<<<<<<
@@ -52801,7 +51964,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
         }
         if (__pyx_t_9) {
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1599
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1611
  *                         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             # <<<<<<<<<<<<<<
@@ -52811,7 +51974,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1600
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1612
  *                         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             # <<<<<<<<<<<<<<
@@ -52821,7 +51984,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_7 = (__pyx_v_f_low >= __pyx_v_self->train_min_gap_size);
             if (__pyx_t_7) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1601
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1613
  *                         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))):             # <<<<<<<<<<<<<<
@@ -52851,7 +52014,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1602
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1614
  *                                 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             # <<<<<<<<<<<<<<
@@ -52860,7 +52023,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1603
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1615
  *                                 ((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             # <<<<<<<<<<<<<<
@@ -52869,7 +52032,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1604
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1616
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             met_constraints = 1
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52878,7 +52041,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1605
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1617
  *                             met_constraints = 1
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
@@ -52895,7 +52058,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1606
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1618
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -52908,7 +52071,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L65:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1607
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1619
  *                                 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:             # <<<<<<<<<<<<<<
@@ -52924,7 +52087,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1608
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1620
  *                                     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             # <<<<<<<<<<<<<<
@@ -52936,7 +52099,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L68:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1610
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1622
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -52945,17 +52108,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1611
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1623
  * 
  *                             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 = 1611; __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 = 1623; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1615
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1627
  *                                             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,             # <<<<<<<<<<<<<<
@@ -52965,7 +52128,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1617
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1629
  *                                             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             # <<<<<<<<<<<<<<
@@ -52981,17 +52144,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_7) {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1618
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1630
  *                                             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 = 1618; __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 = 1630; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_1);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1622
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1634
  *                                             -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,             # <<<<<<<<<<<<<<
@@ -53014,7 +52177,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1624
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1636
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -53023,7 +52186,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1625
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1637
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -53032,35 +52195,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1626
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1638
  *                                 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 = 1626; __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 = 1638; __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 = 1626; __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 = 1638; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1627
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1639
  *                                 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 = 1627; __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 = 1639; __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 = 1627; __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 = 1639; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1628
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1640
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53069,7 +52232,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1629
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1641
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -53078,27 +52241,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1630
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1642
  *                                 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 = 1630; __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 = 1642; __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 = 1630; __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 = 1642; __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 = 1630; __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 = 1642; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1631
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1643
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -53108,7 +52271,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1632
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1644
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -53118,7 +52281,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1633
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1645
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53127,7 +52290,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1634
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1646
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -53139,7 +52302,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1636
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1648
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -53151,7 +52314,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L72:;
               }
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1637
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1649
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -53161,7 +52324,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1638
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1650
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53170,16 +52333,16 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1639
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1651
  *                                 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 = 1639; __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 = 1651; __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 = 1639; __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 = 1651; __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;
@@ -53187,67 +52350,67 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L73:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1640
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1652
  *                                     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 = 1640; __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 = 1652; __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 = 1640; __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 = 1652; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1643
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1655
  *                                 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 = 1641; __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 = 1653; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1644
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1656
  *                                                     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 = 1644; __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 = 1656; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_9 = (__pyx_t_13 > 0);
               if (__pyx_t_9) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1645
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1657
  *                                                     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 = 1645; __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 = 1657; __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 = 1645; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1657; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L74;
               }
               /*else*/ {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1647
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1659
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -53258,7 +52421,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L74:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1648
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1660
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2,eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -53269,23 +52432,31 @@ 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 = 1648; __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 = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_15);
                 __pyx_t_16 = Py_TYPE(__pyx_t_15)->tp_iternext;
               }
               for (;;) {
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_15)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_15)) break;
-                  __pyx_t_1 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++;
+                  #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 = 1660; __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 = 1660; __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;
-                  __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++;
+                  #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 = 1660; __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 = 1660; __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 = 1648; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -53293,29 +52464,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if ((likely(PyTuple_CheckExact(__pyx_t_1))) || (PyList_CheckExact(__pyx_t_1))) {
                   PyObject* sequence = __pyx_t_1;
+                  #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 = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  }
+                  #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
-                    if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
-                      if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1648; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_14 = PyTuple_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyTuple_GET_ITEM(sequence, 1); 
                   } else {
-                    if (unlikely(PyList_GET_SIZE(sequence) != 2)) {
-                      if (PyList_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1648; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_14 = PyList_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyList_GET_ITEM(sequence, 1); 
                   }
                   __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 = 1660; __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 = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  #endif
                   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-                } else {
+                } 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 = 1648; __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 = 1660; __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;
@@ -53323,14 +52500,15 @@ 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 = 1648; __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 = 1660; __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;
                   __pyx_L77_unpacking_failed:;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                  if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-                  if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1648; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_17 = NULL;
+                  if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1660; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L78_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -53340,7 +52518,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1649
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1661
  *                                     pair_count = 0
  *                                 for phrase2,eindexes in phrase_list:
  *                                     als2 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -53349,31 +52527,31 @@ 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 = 1649; __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 = 1661; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1650
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1662
  *                                 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 = 1650; __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 = 1662; __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 = 1650; __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 = 1662; __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 = 1650; __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 = 1662; __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 = 1650; __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 = 1662; __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));
@@ -53387,7 +52565,7 @@ 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 = 1650; __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 = 1662; __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;
@@ -53400,7 +52578,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L64:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1652
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1664
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
  * 
  *                         if (f_back_high == f_high and             # <<<<<<<<<<<<<<
@@ -53410,7 +52588,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1653
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1665
  * 
  *                         if (f_back_high == f_high and
  *                             f_sent_len - f_high >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -53420,7 +52598,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_7 = ((__pyx_v_f_sent_len - __pyx_v_f_high) >= __pyx_v_self->train_min_gap_size);
             if (__pyx_t_7) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1654
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1666
  *                         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))):             # <<<<<<<<<<<<<<
@@ -53450,7 +52628,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1655
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1667
  *                             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             # <<<<<<<<<<<<<<
@@ -53459,7 +52637,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1656
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1668
  *                             ((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             # <<<<<<<<<<<<<<
@@ -53468,7 +52646,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1657
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1669
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             met_constraints = 1
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -53477,7 +52655,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1658
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1670
  *                             met_constraints = 1
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -53494,7 +52672,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1659
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1671
  *                             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             # <<<<<<<<<<<<<<
@@ -53507,7 +52685,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L80:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1660
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1672
  *                                 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:             # <<<<<<<<<<<<<<
@@ -53523,7 +52701,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1661
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1673
  *                                     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             # <<<<<<<<<<<<<<
@@ -53535,7 +52713,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L83:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1663
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1675
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -53544,17 +52722,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1664
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1676
  * 
  *                             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 = 1664; __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 = 1676; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1668
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1680
  *                                             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,             # <<<<<<<<<<<<<<
@@ -53564,7 +52742,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1670
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1682
  *                                             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             # <<<<<<<<<<<<<<
@@ -53580,17 +52758,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_7) {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1671
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1683
  *                                             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 = 1671; __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 = 1683; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_14);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1676
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1688
  *                                             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,             # <<<<<<<<<<<<<<
@@ -53613,7 +52791,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_9) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1678
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1690
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -53622,7 +52800,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1679
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1691
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -53631,21 +52809,21 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1680
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1692
  *                                 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 = 1680; __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 = 1692; __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 = 1680; __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 = 1692; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1681
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1693
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -53655,7 +52833,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1682
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1694
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53664,7 +52842,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1683
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1695
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     i = i+1             # <<<<<<<<<<<<<<
@@ -53673,16 +52851,16 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
                 __pyx_v_i = (__pyx_v_i + 1);
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1684
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1696
  *                                     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 = 1684; __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 = 1696; __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 = 1684; __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 = 1696; __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;
@@ -53690,27 +52868,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L85:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1685
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1697
  *                                     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 = 1685; __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 = 1697; __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 = 1685; __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 = 1697; __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 = 1685; __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 = 1697; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1686
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1698
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -53720,7 +52898,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1687
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1699
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -53730,7 +52908,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1688
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1700
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53739,7 +52917,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1689
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1701
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -53751,7 +52929,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1691
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1703
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -53763,7 +52941,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L88:;
               }
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1692
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1704
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -53772,81 +52950,81 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1693
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1705
  *                                         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 = 1693; __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 = 1705; __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 = 1693; __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 = 1705; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1694
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1706
  *                                 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 = 1694; __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 = 1706; __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 = 1694; __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 = 1706; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1697
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1709
  *                                 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 = 1695; __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 = 1707; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1698
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1710
  *                                                     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 = 1698; __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 = 1710; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_9 = (__pyx_t_13 > 0);
               if (__pyx_t_9) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1699
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1711
  *                                                     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 = 1699; __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 = 1711; __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 = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1711; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L89;
               }
               /*else*/ {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1701
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1713
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -53857,7 +53035,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L89:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1702
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1714
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -53868,23 +53046,31 @@ 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 = 1702; __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 = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_1);
                 __pyx_t_16 = Py_TYPE(__pyx_t_1)->tp_iternext;
               }
               for (;;) {
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_1)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_1)) break;
-                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
+                  #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 = 1714; __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 = 1714; __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;
-                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
+                  #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 = 1714; __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 = 1714; __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 = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -53892,29 +53078,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if ((likely(PyTuple_CheckExact(__pyx_t_14))) || (PyList_CheckExact(__pyx_t_14))) {
                   PyObject* sequence = __pyx_t_14;
+                  #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 = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  }
+                  #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
-                    if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
-                      if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_15 = PyTuple_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyTuple_GET_ITEM(sequence, 1); 
                   } else {
-                    if (unlikely(PyList_GET_SIZE(sequence) != 2)) {
-                      if (PyList_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_15 = PyList_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyList_GET_ITEM(sequence, 1); 
                   }
                   __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 = 1714; __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 = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  #endif
                   __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-                } else {
+                } 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 = 1702; __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 = 1714; __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;
@@ -53922,14 +53114,15 @@ 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 = 1702; __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 = 1714; __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;
                   __pyx_L92_unpacking_failed:;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                  if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-                  if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_17 = NULL;
+                  if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1714; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L93_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -53939,7 +53132,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1703
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1715
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -53948,31 +53141,31 @@ 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 = 1703; __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 = 1715; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1704
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1716
  *                                 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 = 1704; __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 = 1716; __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 = 1704; __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 = 1716; __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 = 1704; __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 = 1716; __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 = 1704; __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 = 1716; __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));
@@ -53986,7 +53179,7 @@ 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 = 1704; __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 = 1716; __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;
@@ -53999,7 +53192,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           __pyx_L79:;
 
-          /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1705
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1717
  *                                     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             # <<<<<<<<<<<<<<
@@ -54009,7 +53202,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           __pyx_t_9 = (__pyx_v_num_gaps < (__pyx_v_self->max_nonterminals - 1));
           if (__pyx_t_9) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1706
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1718
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and             # <<<<<<<<<<<<<<
@@ -54019,7 +53212,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             __pyx_t_7 = ((__pyx_v_phrase_len + 1) < __pyx_v_self->max_length);
             if (__pyx_t_7) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1707
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1719
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and             # <<<<<<<<<<<<<<
@@ -54029,7 +53222,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1708
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1720
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and
  *                             f_back_low == f_low and             # <<<<<<<<<<<<<<
@@ -54039,7 +53232,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1709
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1721
  *                             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             # <<<<<<<<<<<<<<
@@ -54049,7 +53242,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1710
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1722
  *                             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             # <<<<<<<<<<<<<<
@@ -54059,7 +53252,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1711
+                      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1723
  *                             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             # <<<<<<<<<<<<<<
@@ -54069,7 +53262,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1712
+                        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1724
  *                             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))):             # <<<<<<<<<<<<<<
@@ -54119,7 +53312,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
           }
           if (__pyx_t_7) {
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1714
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1726
  *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
  * 
  *                             met_constraints = 1             # <<<<<<<<<<<<<<
@@ -54128,7 +53321,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1715
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1727
  * 
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -54137,7 +53330,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1716
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1728
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -54146,7 +53339,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1717
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1729
  *                             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:             # <<<<<<<<<<<<<<
@@ -54163,7 +53356,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1718
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1730
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -54176,7 +53369,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L95:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1719
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1731
  *                                 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:             # <<<<<<<<<<<<<<
@@ -54186,7 +53379,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1720
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1732
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -54198,7 +53391,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L98:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1722
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1734
  *                                 met_constraints = 0
  * 
  *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -54207,7 +53400,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1723
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1735
  * 
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -54216,7 +53409,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1724
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1736
  *                             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:             # <<<<<<<<<<<<<<
@@ -54233,7 +53426,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (!__pyx_t_9) break;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1725
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1737
  *                             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             # <<<<<<<<<<<<<<
@@ -54246,7 +53439,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L99:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1726
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1738
  *                                 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:             # <<<<<<<<<<<<<<
@@ -54262,7 +53455,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_7) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1727
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1739
  *                                     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             # <<<<<<<<<<<<<<
@@ -54274,7 +53467,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             __pyx_L102:;
 
-            /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1729
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1741
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -54283,17 +53476,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1730
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1742
  * 
  *                             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 = 1730; __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 = 1742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_1);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1734
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1746
  *                                                 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,             # <<<<<<<<<<<<<<
@@ -54303,7 +53496,7 @@ 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_1, __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, 2, 1, 1, 1, 1)) {
                 __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1736
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1748
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 1, 1, 2, 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             # <<<<<<<<<<<<<<
@@ -54325,17 +53518,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if (__pyx_t_9) {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1737
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1749
  *                                                 1, 1, 2, 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_15 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1737; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_15 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1749; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_15);
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1741
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1753
  *                                                 -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,             # <<<<<<<<<<<<<<
@@ -54346,17 +53539,17 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                   __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                   if (__pyx_t_3) {
 
-                    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1743
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1755
  *                                                 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_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1743; __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 = 1755; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     __Pyx_GOTREF(__pyx_t_15);
 
-                    /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1748
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1760
  *                                                 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,             # <<<<<<<<<<<<<<
@@ -54384,7 +53577,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
             }
             if (__pyx_t_8) {
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1750
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1762
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
@@ -54393,7 +53586,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1751
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1763
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -54402,35 +53595,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = 1;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1752
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1764
  *                                 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 = 1752; __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 = 1764; __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 = 1752; __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 = 1764; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1753
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1765
  *                                 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 = 1753; __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 = 1765; __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 = 1753; __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 = 1765; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1754
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1766
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54439,7 +53632,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1755
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1767
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -54448,27 +53641,27 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1756
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1768
  *                                 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 = 1756; __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 = 1768; __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 = 1756; __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 = 1768; __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 = 1756; __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 = 1768; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1757
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1769
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -54478,7 +53671,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1758
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1770
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
@@ -54488,7 +53681,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1759
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1771
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54497,7 +53690,7 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1760
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1772
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -54509,7 +53702,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 /*else*/ {
 
-                  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1762
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1774
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
@@ -54521,7 +53714,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_L106:;
               }
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1763
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1775
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
@@ -54530,81 +53723,81 @@ 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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1764
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1776
  *                                         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 = 1764; __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 = 1776; __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 = 1764; __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 = 1776; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1765
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1777
  *                                 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 = 1765; __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 = 1777; __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 = 1765; __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 = 1777; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1768
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1780
  *                                 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 = 1766; __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 = 1778; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1769
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1781
  *                                                     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 = 1769; __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 = 1781; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_8 = (__pyx_t_13 > 0);
               if (__pyx_t_8) {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1770
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1782
  *                                                     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 = 1770; __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 = 1782; __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 = 1770; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1782; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L107;
               }
               /*else*/ {
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1772
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1784
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -54615,7 +53808,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
               }
               __pyx_L107:;
 
-              /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1773
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1785
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -54626,23 +53819,31 @@ 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 = 1773; __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 = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __pyx_t_16 = Py_TYPE(__pyx_t_14)->tp_iternext;
               }
               for (;;) {
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_14)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_14)) break;
-                  __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++;
+                  #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 = 1785; __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 = 1785; __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;
-                  __pyx_t_15 = PyTuple_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++;
+                  #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 = 1785; __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 = 1785; __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 = 1773; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
@@ -54650,29 +53851,35 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 }
                 if ((likely(PyTuple_CheckExact(__pyx_t_15))) || (PyList_CheckExact(__pyx_t_15))) {
                   PyObject* sequence = __pyx_t_15;
+                  #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 = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  }
+                  #if CYTHON_COMPILING_IN_CPYTHON
                   if (likely(PyTuple_CheckExact(sequence))) {
-                    if (unlikely(PyTuple_GET_SIZE(sequence) != 2)) {
-                      if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1773; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_1 = PyTuple_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyTuple_GET_ITEM(sequence, 1); 
                   } else {
-                    if (unlikely(PyList_GET_SIZE(sequence) != 2)) {
-                      if (PyList_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
-                      else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-                      {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1773; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    }
                     __pyx_t_1 = PyList_GET_ITEM(sequence, 0); 
                     __pyx_t_2 = PyList_GET_ITEM(sequence, 1); 
                   }
                   __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 = 1785; __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 = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  #endif
                   __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-                } else {
+                } 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 = 1773; __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 = 1785; __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;
@@ -54680,14 +53887,15 @@ 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 = 1773; __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 = 1785; __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;
                   __pyx_L110_unpacking_failed:;
                   __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                  if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-                  if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1773; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_17 = NULL;
+                  if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1785; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __pyx_L111_unpacking_done:;
                 }
                 __Pyx_XDECREF(__pyx_v_phrase2);
@@ -54697,7 +53905,7 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
                 __pyx_v_eindexes = __pyx_t_2;
                 __pyx_t_2 = 0;
 
-                /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1774
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1786
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als4 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
@@ -54706,31 +53914,31 @@ static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj
  */
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+    __Pyx_GOTREF(__pyx_t_7);
+    __pyx_t_9 = PyObject_GetAttr(__pyx_v_c, __pyx_n_s__fcount); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_9);
+    __pyx_t_10 = PyObject_GetAttr(__pyx_v_c, __pyx_n_s__fsample_count); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_11 = PyTuple_New(5); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __Pyx_GIVEREF(__pyx_t_5);
+    PyTuple_SET_ITEM(__pyx_t_11, 2, __pyx_t_7);
+    __Pyx_GIVEREF(__pyx_t_7);
+    PyTuple_SET_ITEM(__pyx_t_11, 3, __pyx_t_9);
+    __Pyx_GIVEREF(__pyx_t_9);
+    PyTuple_SET_ITEM(__pyx_t_11, 4, __pyx_t_10);
+    __Pyx_GIVEREF(__pyx_t_10);
+    __pyx_t_6 = 0;
+    __pyx_t_5 = 0;
+    __pyx_t_7 = 0;
+    __pyx_t_9 = 0;
+    __pyx_t_10 = 0;
+    __pyx_t_10 = PyObject_Call(__pyx_v_model, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_10);
+    __Pyx_DECREF(((PyObject *)__pyx_t_11)); __pyx_t_11 = 0;
+    __pyx_t_11 = PyTuple_New(2); if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_11);
+    __Pyx_INCREF(__pyx_v_name);
+    PyTuple_SET_ITEM(__pyx_t_11, 0, __pyx_v_name);
+    __Pyx_GIVEREF(__pyx_v_name);
+    PyTuple_SET_ITEM(__pyx_t_11, 1, __pyx_t_10);
+    __Pyx_GIVEREF(__pyx_t_10);
+    __pyx_t_10 = 0;
+    __pyx_t_10 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_11), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 32; __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_11)); __pyx_t_11 = 0;
+    __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+  }
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":33
+ *         for name, model in self.models:
+ *             scores.set(name, model(c.fphrase, c.ephrase, c.paircount, c.fcount, c.fsample_count))
+ *         return scores             # <<<<<<<<<<<<<<
+ */
+  __Pyx_XDECREF(((PyObject *)__pyx_r));
+  __Pyx_INCREF(((PyObject *)__pyx_v_scores));
+  __pyx_r = __pyx_v_scores;
+  goto __pyx_L0;
+
+  __pyx_r = ((struct __pyx_obj_3_sa_FeatureVector *)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_XDECREF(__pyx_t_7);
+  __Pyx_XDECREF(__pyx_t_9);
+  __Pyx_XDECREF(__pyx_t_10);
+  __Pyx_XDECREF(__pyx_t_11);
+  __Pyx_AddTraceback("_sa.Scorer.score", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XDECREF((PyObject *)__pyx_v_scores);
+  __Pyx_XDECREF(__pyx_v_name);
+  __Pyx_XDECREF(__pyx_v_model);
+  __Pyx_XGIVEREF((PyObject *)__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
 static struct __pyx_vtabstruct_3_sa_FloatList __pyx_vtable_3_sa_FloatList;
 
 static PyObject *__pyx_tp_new_3_sa_FloatList(PyTypeObject *t, PyObject *a, PyObject *k) {
@@ -55320,7 +55443,7 @@ static PyTypeObject __pyx_type_3_sa_IntList = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa_FeatureVector(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_FeatureVector(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa_FeatureVector *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -55335,8 +55458,8 @@ static PyObject *__pyx_tp_new_3_sa_FeatureVector(PyTypeObject *t, PyObject *a, P
 
 static void __pyx_tp_dealloc_3_sa_FeatureVector(PyObject *o) {
   struct __pyx_obj_3_sa_FeatureVector *p = (struct __pyx_obj_3_sa_FeatureVector *)o;
-  Py_XDECREF(((PyObject *)p->names));
-  Py_XDECREF(((PyObject *)p->values));
+  Py_CLEAR(p->names);
+  Py_CLEAR(p->values);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -55556,7 +55679,7 @@ static PyObject *__pyx_sq_item_3_sa_Phrase(PyObject *o, Py_ssize_t i) {
   return r;
 }
 
-static PyObject *__pyx_getprop_3_sa_6Phrase_words(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_6Phrase_words(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_6Phrase_5words_1__get__(o);
 }
 
@@ -55748,10 +55871,10 @@ static PyObject *__pyx_tp_new_3_sa_Rule(PyTypeObject *t, PyObject *a, PyObject *
 
 static void __pyx_tp_dealloc_3_sa_Rule(PyObject *o) {
   struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
-  Py_XDECREF(((PyObject *)p->f));
-  Py_XDECREF(((PyObject *)p->e));
-  Py_XDECREF(((PyObject *)p->scores));
-  Py_XDECREF(p->word_alignments);
+  Py_CLEAR(p->f);
+  Py_CLEAR(p->e);
+  Py_CLEAR(p->scores);
+  Py_CLEAR(p->word_alignments);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -55791,11 +55914,11 @@ static int __pyx_tp_clear_3_sa_Rule(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_3_sa_4Rule_f(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_4Rule_f(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_4Rule_1f_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_3_sa_4Rule_e(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_4Rule_e(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_4Rule_1e_1__get__(o);
 }
 
@@ -55967,7 +56090,7 @@ static PyTypeObject __pyx_type_3_sa_Rule = {
 };
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-static PyObject *__pyx_tp_new_3_sa_StringMap(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_StringMap(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa_StringMap *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -56170,11 +56293,11 @@ static PyObject *__pyx_tp_new_3_sa_DataArray(PyTypeObject *t, PyObject *a, PyObj
 
 static void __pyx_tp_dealloc_3_sa_DataArray(PyObject *o) {
   struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
-  Py_XDECREF(p->word2id);
-  Py_XDECREF(p->id2word);
-  Py_XDECREF(((PyObject *)p->data));
-  Py_XDECREF(((PyObject *)p->sent_id));
-  Py_XDECREF(((PyObject *)p->sent_index));
+  Py_CLEAR(p->word2id);
+  Py_CLEAR(p->id2word);
+  Py_CLEAR(p->data);
+  Py_CLEAR(p->sent_id);
+  Py_CLEAR(p->sent_index);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -56408,8 +56531,8 @@ static PyObject *__pyx_tp_new_3_sa_Alignment(PyTypeObject *t, PyObject *a, PyObj
 
 static void __pyx_tp_dealloc_3_sa_Alignment(PyObject *o) {
   struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
-  Py_XDECREF(((PyObject *)p->links));
-  Py_XDECREF(((PyObject *)p->sent_index));
+  Py_CLEAR(p->links);
+  Py_CLEAR(p->sent_index);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -56626,14 +56749,14 @@ static PyObject *__pyx_tp_new_3_sa_BiLex(PyTypeObject *t, PyObject *a, PyObject
 
 static void __pyx_tp_dealloc_3_sa_BiLex(PyObject *o) {
   struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
-  Py_XDECREF(((PyObject *)p->col1));
-  Py_XDECREF(((PyObject *)p->col2));
-  Py_XDECREF(((PyObject *)p->f_index));
-  Py_XDECREF(((PyObject *)p->e_index));
-  Py_XDECREF(p->id2eword);
-  Py_XDECREF(p->id2fword);
-  Py_XDECREF(p->eword2id);
-  Py_XDECREF(p->fword2id);
+  Py_CLEAR(p->col1);
+  Py_CLEAR(p->col2);
+  Py_CLEAR(p->f_index);
+  Py_CLEAR(p->e_index);
+  Py_CLEAR(p->id2eword);
+  Py_CLEAR(p->id2fword);
+  Py_CLEAR(p->eword2id);
+  Py_CLEAR(p->fword2id);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -56863,7 +56986,7 @@ static PyTypeObject __pyx_type_3_sa_BiLex = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa_BitSetIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_BitSetIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -57032,7 +57155,7 @@ static PyTypeObject __pyx_type_3_sa_BitSetIterator = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa_BitSet(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_BitSet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   if (__pyx_pw_3_sa_6BitSet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
@@ -57216,7 +57339,7 @@ static PyTypeObject __pyx_type_3_sa_BitSet = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa_VEBIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_VEBIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
@@ -57586,8 +57709,8 @@ static PyObject *__pyx_tp_new_3_sa_LCP(PyTypeObject *t, PyObject *a, PyObject *k
 
 static void __pyx_tp_dealloc_3_sa_LCP(PyObject *o) {
   struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
-  Py_XDECREF(((PyObject *)p->sa));
-  Py_XDECREF(((PyObject *)p->lcp));
+  Py_CLEAR(p->sa);
+  Py_CLEAR(p->lcp);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -57775,7 +57898,7 @@ static PyTypeObject __pyx_type_3_sa_LCP = {
 };
 static struct __pyx_vtabstruct_3_sa_Alphabet __pyx_vtable_3_sa_Alphabet;
 
-static PyObject *__pyx_tp_new_3_sa_Alphabet(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_Alphabet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa_Alphabet *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -57801,9 +57924,9 @@ static void __pyx_tp_dealloc_3_sa_Alphabet(PyObject *o) {
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
-  Py_XDECREF(((PyObject *)p->terminals));
-  Py_XDECREF(((PyObject *)p->nonterminals));
-  Py_XDECREF(((PyObject *)p->id2sym));
+  Py_CLEAR(p->terminals);
+  Py_CLEAR(p->nonterminals);
+  Py_CLEAR(p->id2sym);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -57837,11 +57960,11 @@ static int __pyx_tp_clear_3_sa_Alphabet(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_3_sa_8Alphabet_terminals(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_8Alphabet_terminals(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_8Alphabet_9terminals_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_3_sa_8Alphabet_nonterminals(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_8Alphabet_nonterminals(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_8Alphabet_12nonterminals_1__get__(o);
 }
 
@@ -58213,8 +58336,8 @@ static PyObject *__pyx_tp_new_3_sa_Precomputation(PyTypeObject *t, PyObject *a,
 
 static void __pyx_tp_dealloc_3_sa_Precomputation(PyObject *o) {
   struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
-  Py_XDECREF(p->precomputed_index);
-  Py_XDECREF(p->precomputed_collocations);
+  Py_CLEAR(p->precomputed_index);
+  Py_CLEAR(p->precomputed_collocations);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -58421,9 +58544,9 @@ static PyObject *__pyx_tp_new_3_sa_SuffixArray(PyTypeObject *t, PyObject *a, PyO
 
 static void __pyx_tp_dealloc_3_sa_SuffixArray(PyObject *o) {
   struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
-  Py_XDECREF(((PyObject *)p->darray));
-  Py_XDECREF(((PyObject *)p->sa));
-  Py_XDECREF(((PyObject *)p->ha));
+  Py_CLEAR(p->darray);
+  Py_CLEAR(p->sa);
+  Py_CLEAR(p->ha);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -58631,201 +58754,8 @@ static PyTypeObject __pyx_type_3_sa_SuffixArray = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_3_sa_Scorer __pyx_vtable_3_sa_Scorer;
-
-static PyObject *__pyx_tp_new_3_sa_Scorer(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_3_sa_Scorer *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa_Scorer *)o);
-  p->__pyx_vtab = __pyx_vtabptr_3_sa_Scorer;
-  p->models = Py_None; Py_INCREF(Py_None);
-  return o;
-}
-
-static void __pyx_tp_dealloc_3_sa_Scorer(PyObject *o) {
-  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
-  Py_XDECREF(p->models);
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_3_sa_Scorer(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
-  if (p->models) {
-    e = (*v)(p->models, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_3_sa_Scorer(PyObject *o) {
-  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->models);
-  p->models = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_3_sa_Scorer[] = {
-  {0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Scorer = {
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-  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_Scorer = {
-  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_Scorer = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_Scorer = {
-  #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_Scorer = {
-  PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.Scorer"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa_Scorer), /*tp_basicsize*/
-  0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa_Scorer, /*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_Scorer, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Scorer, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Scorer, /*tp_as_mapping*/
-  0, /*tp_hash*/
-  0, /*tp_call*/
-  0, /*tp_str*/
-  0, /*tp_getattro*/
-  0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Scorer, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
-  0, /*tp_doc*/
-  __pyx_tp_traverse_3_sa_Scorer, /*tp_traverse*/
-  __pyx_tp_clear_3_sa_Scorer, /*tp_clear*/
-  0, /*tp_richcompare*/
-  0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_3_sa_Scorer, /*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*/
-  __pyx_pw_3_sa_6Scorer_1__init__, /*tp_init*/
-  0, /*tp_alloc*/
-  __pyx_tp_new_3_sa_Scorer, /*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_TrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_TrieNode(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa_TrieNode *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -58839,7 +58769,7 @@ static PyObject *__pyx_tp_new_3_sa_TrieNode(PyTypeObject *t, PyObject *a, PyObje
 
 static void __pyx_tp_dealloc_3_sa_TrieNode(PyObject *o) {
   struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
-  Py_XDECREF(p->children);
+  Py_CLEAR(p->children);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -58861,11 +58791,11 @@ static int __pyx_tp_clear_3_sa_TrieNode(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_3_sa_8TrieNode_children(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_8TrieNode_children(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_8TrieNode_8children_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_8TrieNode_children(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_8TrieNode_children(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_8TrieNode_8children_3__set__(o, v);
   }
@@ -59053,9 +58983,9 @@ static PyObject *__pyx_tp_new_3_sa_ExtendedTrieNode(PyTypeObject *t, PyObject *a
 
 static void __pyx_tp_dealloc_3_sa_ExtendedTrieNode(PyObject *o) {
   struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
-  Py_XDECREF(p->phrase);
-  Py_XDECREF(p->phrase_location);
-  Py_XDECREF(p->suffix_link);
+  Py_CLEAR(p->phrase);
+  Py_CLEAR(p->phrase_location);
+  Py_CLEAR(p->suffix_link);
   __pyx_tp_dealloc_3_sa_TrieNode(o);
 }
 
@@ -59091,11 +59021,11 @@ static int __pyx_tp_clear_3_sa_ExtendedTrieNode(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_3__set__(o, v);
   }
@@ -59104,11 +59034,11 @@ static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v
   }
 }
 
-static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_3__set__(o, v);
   }
@@ -59117,11 +59047,11 @@ static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, Py
   }
 }
 
-static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_3__set__(o, v);
   }
@@ -59309,7 +59239,7 @@ static PyObject *__pyx_tp_new_3_sa_TrieTable(PyTypeObject *t, PyObject *a, PyObj
 
 static void __pyx_tp_dealloc_3_sa_TrieTable(PyObject *o) {
   struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
-  Py_XDECREF(p->root);
+  Py_CLEAR(p->root);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -59331,11 +59261,11 @@ static int __pyx_tp_clear_3_sa_TrieTable(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_3_sa_9TrieTable_extended(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_9TrieTable_extended(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_9TrieTable_8extended_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_9TrieTable_extended(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_extended(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_9TrieTable_8extended_3__set__(o, v);
   }
@@ -59345,11 +59275,11 @@ static int __pyx_setprop_3_sa_9TrieTable_extended(PyObject *o, PyObject *v, void
   }
 }
 
-static PyObject *__pyx_getprop_3_sa_9TrieTable_count(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_9TrieTable_count(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_9TrieTable_5count_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_9TrieTable_count(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_count(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_9TrieTable_5count_3__set__(o, v);
   }
@@ -59359,11 +59289,11 @@ static int __pyx_setprop_3_sa_9TrieTable_count(PyObject *o, PyObject *v, void *x
   }
 }
 
-static PyObject *__pyx_getprop_3_sa_9TrieTable_root(PyObject *o, void *x) {
+static PyObject *__pyx_getprop_3_sa_9TrieTable_root(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_3_sa_9TrieTable_4root_1__get__(o);
 }
 
-static int __pyx_setprop_3_sa_9TrieTable_root(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_root(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
     return __pyx_pw_3_sa_9TrieTable_4root_3__set__(o, v);
   }
@@ -59553,7 +59483,7 @@ static PyObject *__pyx_tp_new_3_sa_PhraseLocation(PyTypeObject *t, PyObject *a,
 
 static void __pyx_tp_dealloc_3_sa_PhraseLocation(PyObject *o) {
   struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
-  Py_XDECREF(((PyObject *)p->arr));
+  Py_CLEAR(p->arr);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -59747,7 +59677,7 @@ static PyObject *__pyx_tp_new_3_sa_Sampler(PyTypeObject *t, PyObject *a, PyObjec
 
 static void __pyx_tp_dealloc_3_sa_Sampler(PyObject *o) {
   struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
-  Py_XDECREF(((PyObject *)p->sa));
+  Py_CLEAR(p->sa);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -59959,22 +59889,22 @@ static PyObject *__pyx_tp_new_3_sa_HieroCachingRuleFactory(PyTypeObject *t, PyOb
 
 static void __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory(PyObject *o) {
   struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
-  Py_XDECREF(((PyObject *)p->rules));
-  Py_XDECREF(((PyObject *)p->sampler));
-  Py_XDECREF(((PyObject *)p->scorer));
-  Py_XDECREF(p->precomputed_index);
-  Py_XDECREF(p->precomputed_collocations);
-  Py_XDECREF(p->precompute_file);
-  Py_XDECREF(p->max_rank);
-  Py_XDECREF(p->prev_norm_prefix);
-  Py_XDECREF(((PyObject *)p->fsa));
-  Py_XDECREF(((PyObject *)p->fda));
-  Py_XDECREF(((PyObject *)p->eda));
-  Py_XDECREF(((PyObject *)p->alignment));
-  Py_XDECREF(((PyObject *)p->eid2symid));
-  Py_XDECREF(((PyObject *)p->fid2symid));
-  Py_XDECREF(((PyObject *)p->findexes));
-  Py_XDECREF(((PyObject *)p->findexes1));
+  Py_CLEAR(p->rules);
+  Py_CLEAR(p->sampler);
+  Py_CLEAR(p->scorer);
+  Py_CLEAR(p->precomputed_index);
+  Py_CLEAR(p->precomputed_collocations);
+  Py_CLEAR(p->precompute_file);
+  Py_CLEAR(p->max_rank);
+  Py_CLEAR(p->prev_norm_prefix);
+  Py_CLEAR(p->fsa);
+  Py_CLEAR(p->fda);
+  Py_CLEAR(p->eda);
+  Py_CLEAR(p->alignment);
+  Py_CLEAR(p->eid2symid);
+  Py_CLEAR(p->fid2symid);
+  Py_CLEAR(p->findexes);
+  Py_CLEAR(p->findexes1);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -60254,8 +60184,201 @@ static PyTypeObject __pyx_type_3_sa_HieroCachingRuleFactory = {
   0, /*tp_version_tag*/
   #endif
 };
+static struct __pyx_vtabstruct_3_sa_Scorer __pyx_vtable_3_sa_Scorer;
+
+static PyObject *__pyx_tp_new_3_sa_Scorer(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_Scorer *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Scorer *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Scorer;
+  p->models = Py_None; Py_INCREF(Py_None);
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa_Scorer(PyObject *o) {
+  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
+  Py_CLEAR(p->models);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa_Scorer(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
+  if (p->models) {
+    e = (*v)(p->models, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Scorer(PyObject *o) {
+  struct __pyx_obj_3_sa_Scorer *p = (struct __pyx_obj_3_sa_Scorer *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->models);
+  p->models = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_Scorer[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Scorer = {
+  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_Scorer = {
+  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_Scorer = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer_Scorer = {
+  #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_Scorer = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.Scorer"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Scorer), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa_Scorer, /*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_Scorer, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Scorer, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Scorer, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer_Scorer, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa_Scorer, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Scorer, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Scorer, /*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*/
+  __pyx_pw_3_sa_6Scorer_1__init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa_Scorer, /*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____iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct____iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct____iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -60266,7 +60389,7 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct____iter__(PyTypeObject *t,
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct____iter__(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct____iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct____iter__ *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -60446,7 +60569,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct____iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_1_read_bitext(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_1_read_bitext(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -60457,7 +60580,7 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_1_read_bitext(PyTypeObject
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_1_read_bitext(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1_read_bitext *)o;
-  Py_XDECREF(p->__pyx_v_fp);
+  Py_CLEAR(p->__pyx_v_fp);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -60637,7 +60760,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_1_read_bitext = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_2_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_2_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -60650,9 +60773,9 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_2_genexpr(PyTypeObject *t,
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_2_genexpr(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_genexpr *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_outer_scope));
-  Py_XDECREF(p->__pyx_v_line);
-  Py_XDECREF(p->__pyx_t_0);
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_line);
+  Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -60844,7 +60967,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_2_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_3_compute_stats(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_3_compute_stats(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -60860,12 +60983,12 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_3_compute_stats(PyTypeObje
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_3_compute_stats(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct_3_compute_stats *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram));
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_start));
-  Py_XDECREF(((PyObject *)p->__pyx_v_ngram_starts));
-  Py_XDECREF(((PyObject *)p->__pyx_v_run_start));
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
-  Py_XDECREF(((PyObject *)p->__pyx_v_veb));
+  Py_CLEAR(p->__pyx_v_ngram);
+  Py_CLEAR(p->__pyx_v_ngram_start);
+  Py_CLEAR(p->__pyx_v_ngram_starts);
+  Py_CLEAR(p->__pyx_v_run_start);
+  Py_CLEAR(p->__pyx_v_self);
+  Py_CLEAR(p->__pyx_v_veb);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61075,7 +61198,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_3_compute_stats = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_4___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_4___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_4___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -61086,7 +61209,7 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_4___iter__(PyTypeObject *t
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_4___iter__(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_4___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_4___iter__ *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61266,7 +61389,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_4___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_5___str__(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_5___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_5___str__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -61277,7 +61400,7 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_5___str__(PyTypeObject *t,
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_5___str__(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_5___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_5___str__ *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61457,7 +61580,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_5___str__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_6_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_6_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -61470,9 +61593,9 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_6_genexpr(PyTypeObject *t,
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_6_genexpr(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_6_genexpr *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_outer_scope));
-  Py_XDECREF(p->__pyx_v_a);
-  Py_XDECREF(p->__pyx_t_0);
+  Py_CLEAR(p->__pyx_outer_scope);
+  Py_CLEAR(p->__pyx_v_a);
+  Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61664,7 +61787,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_6_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_7_alignments(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_7_alignments(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_3_sa___pyx_scope_struct_7_alignments *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
@@ -61677,9 +61800,9 @@ static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_7_alignments(PyTypeObject
 
 static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_7_alignments(PyObject *o) {
   struct __pyx_obj_3_sa___pyx_scope_struct_7_alignments *p = (struct __pyx_obj_3_sa___pyx_scope_struct_7_alignments *)o;
-  Py_XDECREF(p->__pyx_v_point);
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
-  Py_XDECREF(p->__pyx_t_0);
+  Py_CLEAR(p->__pyx_v_point);
+  Py_CLEAR(p->__pyx_v_self);
+  Py_CLEAR(p->__pyx_t_0);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -61871,44 +61994,412 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_7_alignments = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_8___iter__(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_8_input(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_8_input *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_8_input *)o);
+  p->__pyx_v_alignment = 0;
+  p->__pyx_v_als = 0;
+  p->__pyx_v_alslist = 0;
+  p->__pyx_v_chunklen = 0;
+  p->__pyx_v_count = 0;
+  p->__pyx_v_e = 0;
+  p->__pyx_v_elist = 0;
+  p->__pyx_v_extract = 0;
+  p->__pyx_v_extract_start = 0;
+  p->__pyx_v_extract_stop = 0;
+  p->__pyx_v_extracts = 0;
+  p->__pyx_v_f = 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_hiero_phrase = 0;
+  p->__pyx_v_is_shadow_path = 0;
+  p->__pyx_v_key = 0;
+  p->__pyx_v_loc = 0;
+  p->__pyx_v_locs = 0;
+  p->__pyx_v_new_frontier = 0;
+  p->__pyx_v_new_node = 0;
+  p->__pyx_v_next_states = 0;
+  p->__pyx_v_node = 0;
+  p->__pyx_v_nodes_isteps_away_buffer = 0;
+  p->__pyx_v_pathlen = 0;
+  p->__pyx_v_phrase = 0;
+  p->__pyx_v_phrase_location = 0;
+  p->__pyx_v_prefix = 0;
+  p->__pyx_v_reachable_buffer = 0;
+  p->__pyx_v_sa_range = 0;
+  p->__pyx_v_sample = 0;
+  p->__pyx_v_scores = 0;
   p->__pyx_v_self = 0;
+  p->__pyx_v_spanlen = 0;
+  p->__pyx_v_stop_time = 0;
+  p->__pyx_v_suffix_link = 0;
+  p->__pyx_v_suffix_link_xcat_index = 0;
+  p->__pyx_v_word_id = 0;
+  p->__pyx_v_xcat_index = 0;
+  p->__pyx_v_xnode = 0;
+  p->__pyx_v_xroot = 0;
+  p->__pyx_t_1 = 0;
+  p->__pyx_t_4 = 0;
+  p->__pyx_t_5 = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_8___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_8_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_8_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8_input *)o;
+  Py_CLEAR(p->__pyx_v_alignment);
+  Py_CLEAR(p->__pyx_v_als);
+  Py_CLEAR(p->__pyx_v_alslist);
+  Py_CLEAR(p->__pyx_v_chunklen);
+  Py_CLEAR(p->__pyx_v_count);
+  Py_CLEAR(p->__pyx_v_e);
+  Py_CLEAR(p->__pyx_v_elist);
+  Py_CLEAR(p->__pyx_v_extract);
+  Py_CLEAR(p->__pyx_v_extract_start);
+  Py_CLEAR(p->__pyx_v_extract_stop);
+  Py_CLEAR(p->__pyx_v_extracts);
+  Py_CLEAR(p->__pyx_v_f);
+  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_hiero_phrase);
+  Py_CLEAR(p->__pyx_v_is_shadow_path);
+  Py_CLEAR(p->__pyx_v_key);
+  Py_CLEAR(p->__pyx_v_loc);
+  Py_CLEAR(p->__pyx_v_locs);
+  Py_CLEAR(p->__pyx_v_new_frontier);
+  Py_CLEAR(p->__pyx_v_new_node);
+  Py_CLEAR(p->__pyx_v_next_states);
+  Py_CLEAR(p->__pyx_v_node);
+  Py_CLEAR(p->__pyx_v_nodes_isteps_away_buffer);
+  Py_CLEAR(p->__pyx_v_pathlen);
+  Py_CLEAR(p->__pyx_v_phrase);
+  Py_CLEAR(p->__pyx_v_phrase_location);
+  Py_CLEAR(p->__pyx_v_prefix);
+  Py_CLEAR(p->__pyx_v_reachable_buffer);
+  Py_CLEAR(p->__pyx_v_sa_range);
+  Py_CLEAR(p->__pyx_v_sample);
+  Py_CLEAR(p->__pyx_v_scores);
+  Py_CLEAR(p->__pyx_v_self);
+  Py_CLEAR(p->__pyx_v_spanlen);
+  Py_CLEAR(p->__pyx_v_stop_time);
+  Py_CLEAR(p->__pyx_v_suffix_link);
+  Py_CLEAR(p->__pyx_v_suffix_link_xcat_index);
+  Py_CLEAR(p->__pyx_v_word_id);
+  Py_CLEAR(p->__pyx_v_xcat_index);
+  Py_CLEAR(p->__pyx_v_xnode);
+  Py_CLEAR(p->__pyx_v_xroot);
+  Py_CLEAR(p->__pyx_t_1);
+  Py_CLEAR(p->__pyx_t_4);
+  Py_CLEAR(p->__pyx_t_5);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_8___iter__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_8_input(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_8_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8_input *)o;
+  if (p->__pyx_v_alignment) {
+    e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
+  }
+  if (p->__pyx_v_als) {
+    e = (*v)(p->__pyx_v_als, a); if (e) return e;
+  }
+  if (p->__pyx_v_alslist) {
+    e = (*v)(p->__pyx_v_alslist, a); if (e) return e;
+  }
+  if (p->__pyx_v_chunklen) {
+    e = (*v)(((PyObject*)p->__pyx_v_chunklen), a); if (e) return e;
+  }
+  if (p->__pyx_v_count) {
+    e = (*v)(p->__pyx_v_count, a); if (e) return e;
+  }
+  if (p->__pyx_v_e) {
+    e = (*v)(p->__pyx_v_e, a); if (e) return e;
+  }
+  if (p->__pyx_v_elist) {
+    e = (*v)(p->__pyx_v_elist, 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_extract_start) {
+    e = (*v)(p->__pyx_v_extract_start, a); if (e) return e;
+  }
+  if (p->__pyx_v_extract_stop) {
+    e = (*v)(p->__pyx_v_extract_stop, a); if (e) return e;
+  }
+  if (p->__pyx_v_extracts) {
+    e = (*v)(p->__pyx_v_extracts, a); if (e) return e;
+  }
+  if (p->__pyx_v_f) {
+    e = (*v)(p->__pyx_v_f, a); if (e) return e;
+  }
+  if (p->__pyx_v_fcount) {
+    e = (*v)(p->__pyx_v_fcount, a); if (e) return e;
+  }
+  if (p->__pyx_v_fphrases) {
+    e = (*v)(p->__pyx_v_fphrases, a); if (e) return e;
+  }
+  if (p->__pyx_v_frontier) {
+    e = (*v)(p->__pyx_v_frontier, a); if (e) return e;
+  }
+  if (p->__pyx_v_frontier_nodes) {
+    e = (*v)(p->__pyx_v_frontier_nodes, a); if (e) return e;
+  }
+  if (p->__pyx_v_fwords) {
+    e = (*v)(p->__pyx_v_fwords, a); if (e) return e;
+  }
+  if (p->__pyx_v_hiero_phrase) {
+    e = (*v)(((PyObject*)p->__pyx_v_hiero_phrase), a); if (e) return e;
+  }
+  if (p->__pyx_v_is_shadow_path) {
+    e = (*v)(p->__pyx_v_is_shadow_path, a); if (e) return e;
+  }
+  if (p->__pyx_v_key) {
+    e = (*v)(p->__pyx_v_key, a); if (e) return e;
+  }
+  if (p->__pyx_v_loc) {
+    e = (*v)(p->__pyx_v_loc, a); if (e) return e;
+  }
+  if (p->__pyx_v_locs) {
+    e = (*v)(p->__pyx_v_locs, a); if (e) return e;
+  }
+  if (p->__pyx_v_new_frontier) {
+    e = (*v)(p->__pyx_v_new_frontier, a); if (e) return e;
+  }
+  if (p->__pyx_v_new_node) {
+    e = (*v)(p->__pyx_v_new_node, a); if (e) return e;
+  }
+  if (p->__pyx_v_next_states) {
+    e = (*v)(p->__pyx_v_next_states, a); if (e) return e;
+  }
+  if (p->__pyx_v_node) {
+    e = (*v)(p->__pyx_v_node, a); if (e) return e;
+  }
+  if (p->__pyx_v_nodes_isteps_away_buffer) {
+    e = (*v)(p->__pyx_v_nodes_isteps_away_buffer, a); if (e) return e;
+  }
+  if (p->__pyx_v_pathlen) {
+    e = (*v)(p->__pyx_v_pathlen, a); if (e) return e;
+  }
+  if (p->__pyx_v_phrase) {
+    e = (*v)(p->__pyx_v_phrase, a); if (e) return e;
+  }
+  if (p->__pyx_v_phrase_location) {
+    e = (*v)(((PyObject*)p->__pyx_v_phrase_location), a); if (e) return e;
+  }
+  if (p->__pyx_v_prefix) {
+    e = (*v)(p->__pyx_v_prefix, a); if (e) return e;
+  }
+  if (p->__pyx_v_reachable_buffer) {
+    e = (*v)(p->__pyx_v_reachable_buffer, a); if (e) return e;
+  }
+  if (p->__pyx_v_sa_range) {
+    e = (*v)(p->__pyx_v_sa_range, a); if (e) return e;
+  }
+  if (p->__pyx_v_sample) {
+    e = (*v)(((PyObject*)p->__pyx_v_sample), a); if (e) return e;
+  }
+  if (p->__pyx_v_scores) {
+    e = (*v)(((PyObject*)p->__pyx_v_scores), a); if (e) return e;
+  }
   if (p->__pyx_v_self) {
     e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
   }
+  if (p->__pyx_v_spanlen) {
+    e = (*v)(p->__pyx_v_spanlen, a); if (e) return e;
+  }
+  if (p->__pyx_v_stop_time) {
+    e = (*v)(p->__pyx_v_stop_time, a); if (e) return e;
+  }
+  if (p->__pyx_v_suffix_link) {
+    e = (*v)(p->__pyx_v_suffix_link, a); if (e) return e;
+  }
+  if (p->__pyx_v_suffix_link_xcat_index) {
+    e = (*v)(p->__pyx_v_suffix_link_xcat_index, a); if (e) return e;
+  }
+  if (p->__pyx_v_word_id) {
+    e = (*v)(p->__pyx_v_word_id, a); if (e) return e;
+  }
+  if (p->__pyx_v_xcat_index) {
+    e = (*v)(p->__pyx_v_xcat_index, a); if (e) return e;
+  }
+  if (p->__pyx_v_xnode) {
+    e = (*v)(p->__pyx_v_xnode, a); if (e) return e;
+  }
+  if (p->__pyx_v_xroot) {
+    e = (*v)(p->__pyx_v_xroot, a); if (e) return e;
+  }
+  if (p->__pyx_t_1) {
+    e = (*v)(p->__pyx_t_1, a); if (e) return e;
+  }
+  if (p->__pyx_t_4) {
+    e = (*v)(p->__pyx_t_4, a); if (e) return e;
+  }
+  if (p->__pyx_t_5) {
+    e = (*v)(p->__pyx_t_5, a); if (e) return e;
+  }
   return 0;
 }
 
-static int __pyx_tp_clear_3_sa___pyx_scope_struct_8___iter__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_8_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_8_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_8_input *)o;
   PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_alignment);
+  p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_als);
+  p->__pyx_v_als = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_alslist);
+  p->__pyx_v_alslist = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_chunklen);
+  p->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_count);
+  p->__pyx_v_count = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_e);
+  p->__pyx_v_e = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_elist);
+  p->__pyx_v_elist = 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_extract_start);
+  p->__pyx_v_extract_start = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extract_stop);
+  p->__pyx_v_extract_stop = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_extracts);
+  p->__pyx_v_extracts = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_f);
+  p->__pyx_v_f = 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);
+  tmp = ((PyObject*)p->__pyx_v_fphrases);
+  p->__pyx_v_fphrases = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_frontier);
+  p->__pyx_v_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_frontier_nodes);
+  p->__pyx_v_frontier_nodes = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_fwords);
+  p->__pyx_v_fwords = 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);
+  tmp = ((PyObject*)p->__pyx_v_is_shadow_path);
+  p->__pyx_v_is_shadow_path = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  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_loc);
+  p->__pyx_v_loc = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_locs);
+  p->__pyx_v_locs = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_new_frontier);
+  p->__pyx_v_new_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_new_node);
+  p->__pyx_v_new_node = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_next_states);
+  p->__pyx_v_next_states = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_node);
+  p->__pyx_v_node = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_nodes_isteps_away_buffer);
+  p->__pyx_v_nodes_isteps_away_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_pathlen);
+  p->__pyx_v_pathlen = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_phrase);
+  p->__pyx_v_phrase = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_phrase_location);
+  p->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_prefix);
+  p->__pyx_v_prefix = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_reachable_buffer);
+  p->__pyx_v_reachable_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_sa_range);
+  p->__pyx_v_sa_range = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_sample);
+  p->__pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  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_self);
-  p->__pyx_v_self = ((struct __pyx_obj_3_sa_FeatureVector *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_spanlen);
+  p->__pyx_v_spanlen = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_stop_time);
+  p->__pyx_v_stop_time = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_suffix_link);
+  p->__pyx_v_suffix_link = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_suffix_link_xcat_index);
+  p->__pyx_v_suffix_link_xcat_index = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_word_id);
+  p->__pyx_v_word_id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_xcat_index);
+  p->__pyx_v_xcat_index = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_xnode);
+  p->__pyx_v_xnode = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_v_xroot);
+  p->__pyx_v_xroot = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_1);
+  p->__pyx_t_1 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_4);
+  p->__pyx_t_4 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_5);
+  p->__pyx_t_5 = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_8___iter__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_8_input[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_8___iter__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_8_input = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -61966,7 +62457,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_8___iter__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_8___iter__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_8_input = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -61979,13 +62470,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_8___iter__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_8___iter__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_8_input = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_8___iter__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_8_input = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -62006,12 +62497,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_8___iter__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_8___iter__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_8_input = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_8___iter__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_8___iter__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_8_input"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_8_input), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_8___iter__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_8_input, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -62021,24 +62512,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_8___iter__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_8___iter__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_8___iter__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_8___iter__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_8_input, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_8_input, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_8_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_8___iter__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_8_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_8___iter__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_8___iter__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_8_input, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_8_input, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_8___iter__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_8_input, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -62048,7 +62539,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_8___iter__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_8___iter__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_8_input, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -62062,32 +62553,32 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_8___iter__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_9___str__(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_9___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *)o);
   p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_9___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_9___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *)o;
+  Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_9___str__(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_9___iter__(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___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_9___str__(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___str__ *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_9___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_9___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);
@@ -62095,11 +62586,11 @@ static int __pyx_tp_clear_3_sa___pyx_scope_struct_9___str__(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_9___str__[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_9___iter__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_9___str__ = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_9___iter__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -62157,7 +62648,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_9___str__ = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_9___str__ = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_9___iter__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -62170,13 +62661,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_9___str__ = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_9___str__ = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_9___iter__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_9___str__ = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_9___iter__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -62197,12 +62688,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_9___str__ = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_9___str__ = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_9___iter__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_9___str__"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_9___str__), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_9___iter__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_9___iter__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_9___str__, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_9___iter__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -62212,24 +62703,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_9___str__ = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_9___str__, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_9___str__, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_9___str__, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_9___iter__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_9___iter__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_9___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_9___str__, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_9___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_9___str__, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_9___str__, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_9___iter__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_9___iter__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_9___str__, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_9___iter__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -62239,7 +62730,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_9___str__ = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_9___str__, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_9___iter__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -62253,60 +62744,44 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_9___str__ = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_10_genexpr(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_10___str__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *)o);
-  p->__pyx_outer_scope = 0;
-  p->__pyx_v_feat = 0;
-  p->__pyx_t_0 = 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *)o);
+  p->__pyx_v_self = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_10_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *)o;
-  Py_XDECREF(((PyObject *)p->__pyx_outer_scope));
-  Py_XDECREF(p->__pyx_v_feat);
-  Py_XDECREF(p->__pyx_t_0);
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_10___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *)o;
+  Py_CLEAR(p->__pyx_v_self);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_3_sa___pyx_scope_struct_10_genexpr(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_10___str__(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *)o;
-  if (p->__pyx_outer_scope) {
-    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
-  }
-  if (p->__pyx_v_feat) {
-    e = (*v)(p->__pyx_v_feat, a); if (e) return e;
-  }
-  if (p->__pyx_t_0) {
-    e = (*v)(p->__pyx_t_0, a); if (e) return e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10___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_10_genexpr(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_10___str__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *)o;
   PyObject* tmp;
-  tmp = ((PyObject*)p->__pyx_outer_scope);
-  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_9___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);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_0);
-  p->__pyx_t_0 = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_FeatureVector *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_10_genexpr[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_10___str__[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_10_genexpr = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_10___str__ = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -62364,7 +62839,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_10_genexpr = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_10_genexpr = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_10___str__ = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -62377,13 +62852,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_10_genexpr = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_10_genexpr = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_10___str__ = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_10_genexpr = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_10___str__ = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -62404,12 +62879,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_10_genexpr = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10_genexpr = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10___str__ = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_10_genexpr"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_10_genexpr), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_10___str__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_10___str__), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_10_genexpr, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_10___str__, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -62419,24 +62894,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10_genexpr = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_10_genexpr, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_10_genexpr, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_10_genexpr, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_10___str__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_10___str__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_10___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_10_genexpr, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_10___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_10_genexpr, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_10_genexpr, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_10___str__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_10___str__, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_10_genexpr, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_10___str__, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -62446,7 +62921,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10_genexpr = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_10_genexpr, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_10___str__, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -62460,404 +62935,60 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_10_genexpr = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_11_input(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11_input *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_11_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_11_input *)o);
-  p->__pyx_v_alignment = 0;
-  p->__pyx_v_als = 0;
-  p->__pyx_v_alslist = 0;
-  p->__pyx_v_chunklen = 0;
-  p->__pyx_v_count = 0;
-  p->__pyx_v_currcount = 0;
-  p->__pyx_v_e = 0;
-  p->__pyx_v_elist = 0;
-  p->__pyx_v_extract = 0;
-  p->__pyx_v_extract_start = 0;
-  p->__pyx_v_extract_stop = 0;
-  p->__pyx_v_extracts = 0;
-  p->__pyx_v_f = 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_hiero_phrase = 0;
-  p->__pyx_v_is_shadow_path = 0;
-  p->__pyx_v_key = 0;
-  p->__pyx_v_new_frontier = 0;
-  p->__pyx_v_new_node = 0;
-  p->__pyx_v_next_states = 0;
-  p->__pyx_v_node = 0;
-  p->__pyx_v_nodes_isteps_away_buffer = 0;
-  p->__pyx_v_pathlen = 0;
-  p->__pyx_v_phrase = 0;
-  p->__pyx_v_phrase_location = 0;
-  p->__pyx_v_prefix = 0;
-  p->__pyx_v_reachable_buffer = 0;
-  p->__pyx_v_sa_range = 0;
-  p->__pyx_v_sample = 0;
-  p->__pyx_v_scores = 0;
-  p->__pyx_v_self = 0;
-  p->__pyx_v_spanlen = 0;
-  p->__pyx_v_stop_time = 0;
-  p->__pyx_v_suffix_link = 0;
-  p->__pyx_v_suffix_link_xcat_index = 0;
-  p->__pyx_v_word_id = 0;
-  p->__pyx_v_xcat_index = 0;
-  p->__pyx_v_xnode = 0;
-  p->__pyx_v_xroot = 0;
-  p->__pyx_t_2 = 0;
-  p->__pyx_t_3 = 0;
-  p->__pyx_t_4 = 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_11_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_11_input(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_input *)o;
-  Py_XDECREF(p->__pyx_v_alignment);
-  Py_XDECREF(p->__pyx_v_als);
-  Py_XDECREF(p->__pyx_v_alslist);
-  Py_XDECREF(((PyObject *)p->__pyx_v_chunklen));
-  Py_XDECREF(p->__pyx_v_count);
-  Py_XDECREF(p->__pyx_v_currcount);
-  Py_XDECREF(p->__pyx_v_e);
-  Py_XDECREF(p->__pyx_v_elist);
-  Py_XDECREF(p->__pyx_v_extract);
-  Py_XDECREF(p->__pyx_v_extract_start);
-  Py_XDECREF(p->__pyx_v_extract_stop);
-  Py_XDECREF(((PyObject *)p->__pyx_v_extracts));
-  Py_XDECREF(p->__pyx_v_f);
-  Py_XDECREF(p->__pyx_v_fcount);
-  Py_XDECREF(p->__pyx_v_fphrases);
-  Py_XDECREF(((PyObject *)p->__pyx_v_frontier));
-  Py_XDECREF(p->__pyx_v_frontier_nodes);
-  Py_XDECREF(p->__pyx_v_fwords);
-  Py_XDECREF(((PyObject *)p->__pyx_v_hiero_phrase));
-  Py_XDECREF(p->__pyx_v_is_shadow_path);
-  Py_XDECREF(((PyObject *)p->__pyx_v_key));
-  Py_XDECREF(((PyObject *)p->__pyx_v_new_frontier));
-  Py_XDECREF(p->__pyx_v_new_node);
-  Py_XDECREF(((PyObject *)p->__pyx_v_next_states));
-  Py_XDECREF(p->__pyx_v_node);
-  Py_XDECREF(((PyObject *)p->__pyx_v_nodes_isteps_away_buffer));
-  Py_XDECREF(p->__pyx_v_pathlen);
-  Py_XDECREF(p->__pyx_v_phrase);
-  Py_XDECREF(((PyObject *)p->__pyx_v_phrase_location));
-  Py_XDECREF(p->__pyx_v_prefix);
-  Py_XDECREF(((PyObject *)p->__pyx_v_reachable_buffer));
-  Py_XDECREF(p->__pyx_v_sa_range);
-  Py_XDECREF(((PyObject *)p->__pyx_v_sample));
-  Py_XDECREF(((PyObject *)p->__pyx_v_scores));
-  Py_XDECREF(((PyObject *)p->__pyx_v_self));
-  Py_XDECREF(p->__pyx_v_spanlen);
-  Py_XDECREF(p->__pyx_v_stop_time);
-  Py_XDECREF(p->__pyx_v_suffix_link);
-  Py_XDECREF(p->__pyx_v_suffix_link_xcat_index);
-  Py_XDECREF(p->__pyx_v_word_id);
-  Py_XDECREF(p->__pyx_v_xcat_index);
-  Py_XDECREF(p->__pyx_v_xnode);
-  Py_XDECREF(p->__pyx_v_xroot);
-  Py_XDECREF(p->__pyx_t_2);
-  Py_XDECREF(p->__pyx_t_3);
-  Py_XDECREF(p->__pyx_t_4);
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_11_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_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_11_input(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_11_genexpr(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_3_sa___pyx_scope_struct_11_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_input *)o;
-  if (p->__pyx_v_alignment) {
-    e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
-  }
-  if (p->__pyx_v_als) {
-    e = (*v)(p->__pyx_v_als, a); if (e) return e;
-  }
-  if (p->__pyx_v_alslist) {
-    e = (*v)(p->__pyx_v_alslist, a); if (e) return e;
-  }
-  if (p->__pyx_v_chunklen) {
-    e = (*v)(((PyObject*)p->__pyx_v_chunklen), a); if (e) return e;
-  }
-  if (p->__pyx_v_count) {
-    e = (*v)(p->__pyx_v_count, a); if (e) return e;
-  }
-  if (p->__pyx_v_currcount) {
-    e = (*v)(p->__pyx_v_currcount, a); if (e) return e;
-  }
-  if (p->__pyx_v_e) {
-    e = (*v)(p->__pyx_v_e, a); if (e) return e;
-  }
-  if (p->__pyx_v_elist) {
-    e = (*v)(p->__pyx_v_elist, 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_extract_start) {
-    e = (*v)(p->__pyx_v_extract_start, a); if (e) return e;
-  }
-  if (p->__pyx_v_extract_stop) {
-    e = (*v)(p->__pyx_v_extract_stop, a); if (e) return e;
-  }
-  if (p->__pyx_v_extracts) {
-    e = (*v)(p->__pyx_v_extracts, a); if (e) return e;
-  }
-  if (p->__pyx_v_f) {
-    e = (*v)(p->__pyx_v_f, a); if (e) return e;
-  }
-  if (p->__pyx_v_fcount) {
-    e = (*v)(p->__pyx_v_fcount, a); if (e) return e;
-  }
-  if (p->__pyx_v_fphrases) {
-    e = (*v)(p->__pyx_v_fphrases, a); if (e) return e;
-  }
-  if (p->__pyx_v_frontier) {
-    e = (*v)(p->__pyx_v_frontier, a); if (e) return e;
-  }
-  if (p->__pyx_v_frontier_nodes) {
-    e = (*v)(p->__pyx_v_frontier_nodes, a); if (e) return e;
-  }
-  if (p->__pyx_v_fwords) {
-    e = (*v)(p->__pyx_v_fwords, a); if (e) return e;
-  }
-  if (p->__pyx_v_hiero_phrase) {
-    e = (*v)(((PyObject*)p->__pyx_v_hiero_phrase), a); if (e) return e;
-  }
-  if (p->__pyx_v_is_shadow_path) {
-    e = (*v)(p->__pyx_v_is_shadow_path, a); if (e) return e;
-  }
-  if (p->__pyx_v_key) {
-    e = (*v)(p->__pyx_v_key, a); if (e) return e;
-  }
-  if (p->__pyx_v_new_frontier) {
-    e = (*v)(p->__pyx_v_new_frontier, a); if (e) return e;
-  }
-  if (p->__pyx_v_new_node) {
-    e = (*v)(p->__pyx_v_new_node, a); if (e) return e;
-  }
-  if (p->__pyx_v_next_states) {
-    e = (*v)(p->__pyx_v_next_states, a); if (e) return e;
-  }
-  if (p->__pyx_v_node) {
-    e = (*v)(p->__pyx_v_node, a); if (e) return e;
-  }
-  if (p->__pyx_v_nodes_isteps_away_buffer) {
-    e = (*v)(p->__pyx_v_nodes_isteps_away_buffer, a); if (e) return e;
-  }
-  if (p->__pyx_v_pathlen) {
-    e = (*v)(p->__pyx_v_pathlen, a); if (e) return e;
-  }
-  if (p->__pyx_v_phrase) {
-    e = (*v)(p->__pyx_v_phrase, a); if (e) return e;
-  }
-  if (p->__pyx_v_phrase_location) {
-    e = (*v)(((PyObject*)p->__pyx_v_phrase_location), a); if (e) return e;
-  }
-  if (p->__pyx_v_prefix) {
-    e = (*v)(p->__pyx_v_prefix, a); if (e) return e;
-  }
-  if (p->__pyx_v_reachable_buffer) {
-    e = (*v)(p->__pyx_v_reachable_buffer, a); if (e) return e;
-  }
-  if (p->__pyx_v_sa_range) {
-    e = (*v)(p->__pyx_v_sa_range, a); if (e) return e;
-  }
-  if (p->__pyx_v_sample) {
-    e = (*v)(((PyObject*)p->__pyx_v_sample), a); if (e) return e;
-  }
-  if (p->__pyx_v_scores) {
-    e = (*v)(((PyObject*)p->__pyx_v_scores), a); if (e) return e;
-  }
-  if (p->__pyx_v_self) {
-    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
-  }
-  if (p->__pyx_v_spanlen) {
-    e = (*v)(p->__pyx_v_spanlen, a); if (e) return e;
-  }
-  if (p->__pyx_v_stop_time) {
-    e = (*v)(p->__pyx_v_stop_time, a); if (e) return e;
-  }
-  if (p->__pyx_v_suffix_link) {
-    e = (*v)(p->__pyx_v_suffix_link, a); if (e) return e;
-  }
-  if (p->__pyx_v_suffix_link_xcat_index) {
-    e = (*v)(p->__pyx_v_suffix_link_xcat_index, a); if (e) return e;
-  }
-  if (p->__pyx_v_word_id) {
-    e = (*v)(p->__pyx_v_word_id, a); if (e) return e;
-  }
-  if (p->__pyx_v_xcat_index) {
-    e = (*v)(p->__pyx_v_xcat_index, a); if (e) return e;
-  }
-  if (p->__pyx_v_xnode) {
-    e = (*v)(p->__pyx_v_xnode, a); if (e) return e;
-  }
-  if (p->__pyx_v_xroot) {
-    e = (*v)(p->__pyx_v_xroot, a); if (e) return e;
-  }
-  if (p->__pyx_t_2) {
-    e = (*v)(p->__pyx_t_2, a); if (e) return e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *)o;
+  if (p->__pyx_outer_scope) {
+    e = (*v)(((PyObject*)p->__pyx_outer_scope), a); if (e) return e;
   }
-  if (p->__pyx_t_3) {
-    e = (*v)(p->__pyx_t_3, a); if (e) return e;
+  if (p->__pyx_v_feat) {
+    e = (*v)(p->__pyx_v_feat, a); if (e) return e;
   }
-  if (p->__pyx_t_4) {
-    e = (*v)(p->__pyx_t_4, 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_11_input(PyObject *o) {
-  struct __pyx_obj_3_sa___pyx_scope_struct_11_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_input *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_11_genexpr(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *p = (struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr *)o;
   PyObject* tmp;
-  tmp = ((PyObject*)p->__pyx_v_alignment);
-  p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_als);
-  p->__pyx_v_als = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_alslist);
-  p->__pyx_v_alslist = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_chunklen);
-  p->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_count);
-  p->__pyx_v_count = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_currcount);
-  p->__pyx_v_currcount = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_e);
-  p->__pyx_v_e = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_elist);
-  p->__pyx_v_elist = 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_extract_start);
-  p->__pyx_v_extract_start = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extract_stop);
-  p->__pyx_v_extract_stop = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_extracts);
-  p->__pyx_v_extracts = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_f);
-  p->__pyx_v_f = 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);
-  tmp = ((PyObject*)p->__pyx_v_fphrases);
-  p->__pyx_v_fphrases = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_frontier);
-  p->__pyx_v_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_frontier_nodes);
-  p->__pyx_v_frontier_nodes = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_fwords);
-  p->__pyx_v_fwords = 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);
-  tmp = ((PyObject*)p->__pyx_v_is_shadow_path);
-  p->__pyx_v_is_shadow_path = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  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_new_frontier);
-  p->__pyx_v_new_frontier = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_new_node);
-  p->__pyx_v_new_node = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_next_states);
-  p->__pyx_v_next_states = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_node);
-  p->__pyx_v_node = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_nodes_isteps_away_buffer);
-  p->__pyx_v_nodes_isteps_away_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_pathlen);
-  p->__pyx_v_pathlen = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_phrase);
-  p->__pyx_v_phrase = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_phrase_location);
-  p->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_prefix);
-  p->__pyx_v_prefix = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_reachable_buffer);
-  p->__pyx_v_reachable_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_sa_range);
-  p->__pyx_v_sa_range = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_sample);
-  p->__pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  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_self);
-  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_spanlen);
-  p->__pyx_v_spanlen = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_stop_time);
-  p->__pyx_v_stop_time = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_suffix_link);
-  p->__pyx_v_suffix_link = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_suffix_link_xcat_index);
-  p->__pyx_v_suffix_link_xcat_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_word_id);
-  p->__pyx_v_word_id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xcat_index);
-  p->__pyx_v_xcat_index = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xnode);
-  p->__pyx_v_xnode = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_xroot);
-  p->__pyx_v_xroot = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_2);
-  p->__pyx_t_2 = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->__pyx_outer_scope);
+  p->__pyx_outer_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_10___str__ *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_3);
-  p->__pyx_t_3 = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->__pyx_v_feat);
+  p->__pyx_v_feat = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_4);
-  p->__pyx_t_4 = Py_None; Py_INCREF(Py_None);
+  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_11_input[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_11_genexpr[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11_input = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11_genexpr = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -62915,7 +63046,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_11_input = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11_input = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11_genexpr = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -62928,13 +63059,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_11_input = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_11_input = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_11_genexpr = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11_input = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11_genexpr = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -62955,12 +63086,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_11_input = {
   #endif
 };
 
-static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11_input = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11_genexpr = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_sa.__pyx_scope_struct_11_input"), /*tp_name*/
-  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_11_input), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_11_genexpr"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_11_genexpr), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3_sa___pyx_scope_struct_11_input, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_11_genexpr, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -62970,24 +63101,24 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11_input = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_11_input, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_11_input, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_11_input, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_11_genexpr, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_11_genexpr, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_11_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_11_input, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_11_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_11_input, /*tp_traverse*/
-  __pyx_tp_clear_3_sa___pyx_scope_struct_11_input, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_11_genexpr, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_11_genexpr, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3_sa___pyx_scope_struct_11_input, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_11_genexpr, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -62997,7 +63128,7 @@ static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_11_input = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3_sa___pyx_scope_struct_11_input, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_11_genexpr, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -63031,11 +63162,12 @@ static struct PyModuleDef __pyx_moduledef = {
 
 static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 0, 1, 0},
+  {&__pyx_kp_s_100, __pyx_k_100, sizeof(__pyx_k_100), 0, 0, 1, 0},
   {&__pyx_kp_s_101, __pyx_k_101, sizeof(__pyx_k_101), 0, 0, 1, 0},
-  {&__pyx_kp_s_102, __pyx_k_102, sizeof(__pyx_k_102), 0, 0, 1, 0},
+  {&__pyx_n_s_103, __pyx_k_103, sizeof(__pyx_k_103), 0, 0, 1, 1},
   {&__pyx_n_s_104, __pyx_k_104, sizeof(__pyx_k_104), 0, 0, 1, 1},
-  {&__pyx_n_s_105, __pyx_k_105, sizeof(__pyx_k_105), 0, 0, 1, 1},
-  {&__pyx_kp_s_107, __pyx_k_107, sizeof(__pyx_k_107), 0, 0, 1, 0},
+  {&__pyx_kp_s_106, __pyx_k_106, sizeof(__pyx_k_106), 0, 0, 1, 0},
+  {&__pyx_kp_s_108, __pyx_k_108, sizeof(__pyx_k_108), 0, 0, 1, 0},
   {&__pyx_kp_s_109, __pyx_k_109, sizeof(__pyx_k_109), 0, 0, 1, 0},
   {&__pyx_kp_s_110, __pyx_k_110, sizeof(__pyx_k_110), 0, 0, 1, 0},
   {&__pyx_kp_s_111, __pyx_k_111, sizeof(__pyx_k_111), 0, 0, 1, 0},
@@ -63046,11 +63178,11 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_116, __pyx_k_116, sizeof(__pyx_k_116), 0, 0, 1, 0},
   {&__pyx_kp_s_117, __pyx_k_117, sizeof(__pyx_k_117), 0, 0, 1, 0},
   {&__pyx_kp_s_118, __pyx_k_118, sizeof(__pyx_k_118), 0, 0, 1, 0},
-  {&__pyx_kp_s_119, __pyx_k_119, sizeof(__pyx_k_119), 0, 0, 1, 0},
-  {&__pyx_n_s_120, __pyx_k_120, sizeof(__pyx_k_120), 0, 0, 1, 1},
+  {&__pyx_n_s_119, __pyx_k_119, sizeof(__pyx_k_119), 0, 0, 1, 1},
+  {&__pyx_kp_s_120, __pyx_k_120, sizeof(__pyx_k_120), 0, 0, 1, 0},
   {&__pyx_kp_s_121, __pyx_k_121, sizeof(__pyx_k_121), 0, 0, 1, 0},
-  {&__pyx_kp_s_122, __pyx_k_122, sizeof(__pyx_k_122), 0, 0, 1, 0},
-  {&__pyx_n_s_124, __pyx_k_124, sizeof(__pyx_k_124), 0, 0, 1, 1},
+  {&__pyx_n_s_123, __pyx_k_123, sizeof(__pyx_k_123), 0, 0, 1, 1},
+  {&__pyx_kp_s_124, __pyx_k_124, sizeof(__pyx_k_124), 0, 0, 1, 0},
   {&__pyx_kp_s_125, __pyx_k_125, sizeof(__pyx_k_125), 0, 0, 1, 0},
   {&__pyx_kp_s_126, __pyx_k_126, sizeof(__pyx_k_126), 0, 0, 1, 0},
   {&__pyx_kp_s_127, __pyx_k_127, sizeof(__pyx_k_127), 0, 0, 1, 0},
@@ -63116,12 +63248,13 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_92, __pyx_k_92, sizeof(__pyx_k_92), 0, 0, 1, 0},
   {&__pyx_kp_s_94, __pyx_k_94, sizeof(__pyx_k_94), 0, 0, 1, 0},
   {&__pyx_kp_s_95, __pyx_k_95, sizeof(__pyx_k_95), 0, 0, 1, 0},
-  {&__pyx_kp_s_99, __pyx_k_99, sizeof(__pyx_k_99), 0, 0, 1, 0},
   {&__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__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__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},
   {&__pyx_n_s__INITIAL_CAPACITY, __pyx_k__INITIAL_CAPACITY, sizeof(__pyx_k__INITIAL_CAPACITY), 0, 0, 1, 1},
@@ -63148,6 +63281,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__arr_low, __pyx_k__arr_low, sizeof(__pyx_k__arr_low), 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},
   {&__pyx_n_s__children, __pyx_k__children, sizeof(__pyx_k__children), 0, 0, 1, 1},
   {&__pyx_n_s__cmp, __pyx_k__cmp, sizeof(__pyx_k__cmp), 0, 0, 1, 1},
   {&__pyx_n_s__col, __pyx_k__col, sizeof(__pyx_k__col), 0, 0, 1, 1},
@@ -63162,16 +63296,20 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__edarray, __pyx_k__edarray, sizeof(__pyx_k__edarray), 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__f, __pyx_k__f, sizeof(__pyx_k__f), 0, 0, 1, 1},
+  {&__pyx_n_s__fcount, __pyx_k__fcount, sizeof(__pyx_k__fcount), 0, 0, 1, 1},
   {&__pyx_n_s__filename, __pyx_k__filename, sizeof(__pyx_k__filename), 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},
   {&__pyx_n_s__from_stats, __pyx_k__from_stats, sizeof(__pyx_k__from_stats), 0, 0, 1, 1},
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   {&__pyx_n_s__frontier, __pyx_k__frontier, sizeof(__pyx_k__frontier), 0, 0, 1, 1},
+  {&__pyx_n_s__fsample_count, __pyx_k__fsample_count, sizeof(__pyx_k__fsample_count), 0, 0, 1, 1},
   {&__pyx_n_s__fsarray, __pyx_k__fsarray, sizeof(__pyx_k__fsarray), 0, 0, 1, 1},
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   {&__pyx_n_s__initial_len, __pyx_k__initial_len, sizeof(__pyx_k__initial_len), 0, 0, 1, 1},
+  {&__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},
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   {&__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},
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   {&__pyx_n_s__join, __pyx_k__join, sizeof(__pyx_k__join), 0, 0, 1, 1},
+  {&__pyx_n_s__key, __pyx_k__key, sizeof(__pyx_k__key), 0, 0, 1, 1},
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   {&__pyx_n_s__map, __pyx_k__map, sizeof(__pyx_k__map), 0, 0, 1, 1},
+  {&__pyx_n_s__matches, __pyx_k__matches, sizeof(__pyx_k__matches), 0, 0, 1, 1},
+  {&__pyx_n_s__max, __pyx_k__max, sizeof(__pyx_k__max), 0, 0, 1, 1},
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+  {&__pyx_n_s__namedtuple, __pyx_k__namedtuple, sizeof(__pyx_k__namedtuple), 0, 0, 1, 1},
   {&__pyx_n_s__next_states, __pyx_k__next_states, sizeof(__pyx_k__next_states), 0, 0, 1, 1},
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   {&__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},
   {&__pyx_n_s__partition, __pyx_k__partition, sizeof(__pyx_k__partition), 0, 0, 1, 1},
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   {&__pyx_n_s__terminal, __pyx_k__terminal, sizeof(__pyx_k__terminal), 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},
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   __pyx_builtin_map = __Pyx_GetName(__pyx_b, __pyx_n_s__map); if (!__pyx_builtin_map) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_n_s__Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_zip = __Pyx_GetName(__pyx_b, __pyx_n_s__zip); if (!__pyx_builtin_zip) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_n_s__Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 123; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __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;}
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-  __pyx_builtin_sorted = __Pyx_GetName(__pyx_b, __pyx_n_s__sorted); if (!__pyx_builtin_sorted) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 921; __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 = 933; __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 = 1101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":20
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":21
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":21
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   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_11));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":22
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":22
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   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_12));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":65
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":65
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":60
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":68
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":73
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":72
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":145
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":143
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":148
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":146
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":151
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":149
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":154
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":152
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-  /* "/home/vchahune/tools/cdec/python/src/sa/data_array.pxi":157
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":155
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":46
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":46
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   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_29));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":47
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":59
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-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":54
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   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_33));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":75
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":75
  *             for i, link in enumerate(self.links):
  *                 while i >= self.sent_index[sent_num]:
  *                     f.write("\n")             # <<<<<<<<<<<<<<
@@ -63609,7 +63757,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_34));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":78
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":78
  *                     sent_num = sent_num + 1
  *                 f.write("%d-%d " % self.unlink(link))
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -63623,7 +63771,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_36));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":71
  * 
  *     def write_text(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
@@ -63643,7 +63791,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_37));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":92
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":92
  *             for link in self.links:
  *                 f.write("%d " % link)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -63657,7 +63805,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_38));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":95
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":95
  *             for i in self.sent_index:
  *                 f.write("%d " % i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -63671,7 +63819,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_39));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/alignment.pxi":88
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":88
  * 
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
@@ -63691,28 +63839,28 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_40));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":302
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":297
  * 
  *             # Re-read file, placing words into buckets
  *             f.seek(0)             # <<<<<<<<<<<<<<
  *             for line in f:
  *                 (fword, eword, score1, score2) = line.split()
  */
-  __pyx_k_tuple_43 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_43)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_43 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_43)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_43);
   __Pyx_INCREF(__pyx_int_0);
   PyTuple_SET_ITEM(__pyx_k_tuple_43, 0, __pyx_int_0);
   __Pyx_GIVEREF(__pyx_int_0);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_43));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":278
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":273
  * 
  *         fcount = IntList()
  *         with gzip_or_text(filename) as f:             # <<<<<<<<<<<<<<
  *             # first loop merely establishes size of array objects
  *             for line in f:
  */
-  __pyx_k_tuple_44 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_44)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_44 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_44)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 273; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_44);
   __Pyx_INCREF(Py_None);
   PyTuple_SET_ITEM(__pyx_k_tuple_44, 0, Py_None);
@@ -63725,84 +63873,84 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_44));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":344
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":339
  * 
  *         if i > j:
  *             raise Exception("Sort error in CLex")             # <<<<<<<<<<<<<<
  *         if i == j: #empty interval
  *             return
  */
-  __pyx_k_tuple_47 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_47)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 344; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_47 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_47)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 339; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_47);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_46));
   PyTuple_SET_ITEM(__pyx_k_tuple_47, 0, ((PyObject *)__pyx_kp_s_46));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_46));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_47));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":367
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":362
  *             for i in self.f_index:
  *                 f.write("%d " % i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
  *             for i, s1, s2 in zip(self.e_index, self.col1, self.col2):
  *                 f.write("%d %f %f " % (i, s1, s2))
  */
-  __pyx_k_tuple_49 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_49)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 367; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_49 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_49)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 362; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_49);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_49, 0, ((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_49));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":370
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":365
  *             for i, s1, s2 in zip(self.e_index, self.col1, self.col2):
  *                 f.write("%d %f %f " % (i, s1, s2))
  *             f.write("\n")             # <<<<<<<<<<<<<<
  *             for i, w in enumerate(self.id2fword):
  *                 f.write("%d %s " % (i, w))
  */
-  __pyx_k_tuple_51 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_51)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 370; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_51 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_51)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_51);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_51, 0, ((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_51));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":373
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":368
  *             for i, w in enumerate(self.id2fword):
  *                 f.write("%d %s " % (i, w))
  *             f.write("\n")             # <<<<<<<<<<<<<<
  *             for i, w in enumerate(self.id2eword):
  *                 f.write("%d %s " % (i, w))
  */
-  __pyx_k_tuple_53 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_53)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 373; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_53 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_53)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_53);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_53, 0, ((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_53));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":376
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":371
  *             for i, w in enumerate(self.id2eword):
  *                 f.write("%d %s " % (i, w))
  *             f.write("\n")             # <<<<<<<<<<<<<<
  * 
  * 
  */
-  __pyx_k_tuple_54 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_54)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_54 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_54)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 371; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_54);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_54, 0, ((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_54));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":364
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":359
  * 
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
  *             for i in self.f_index:
  *                 f.write("%d " % i)
  */
-  __pyx_k_tuple_55 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_55)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 364; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_55 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_55)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_55);
   __Pyx_INCREF(Py_None);
   PyTuple_SET_ITEM(__pyx_k_tuple_55, 0, Py_None);
@@ -63815,14 +63963,14 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_55));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":409
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":404
  *         cdef i, N, e_id, f_id
  * 
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
  *             N = len(self.e_index)
  *             f_id = 0
  */
-  __pyx_k_tuple_57 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_57)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_57 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_57)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_57);
   __Pyx_INCREF(Py_None);
   PyTuple_SET_ITEM(__pyx_k_tuple_57, 0, Py_None);
@@ -63835,7 +63983,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_57));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":13
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":13
  *         cdef IntList rank
  * 
  *         logger.info("Constructing LCP array")             # <<<<<<<<<<<<<<
@@ -63849,7 +63997,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_60));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_61));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/lcp.pxi":34
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":34
  *             if h > 0:
  *                 h = h-1
  *         logger.info("LCP array completed")             # <<<<<<<<<<<<<<
@@ -63863,7 +64011,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_62));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_63));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":297
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":297
  *         pattern_rank = {}
  * 
  *         logger.info("Precomputing frequent intersections")             # <<<<<<<<<<<<<<
@@ -63877,7 +64025,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_72));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_73));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":314
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":314
  *         queue = IntList(increment=1000)
  * 
  *         logger.info("    Computing inverted indexes...")             # <<<<<<<<<<<<<<
@@ -63891,7 +64039,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_74));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_75));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":329
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":329
  *                     trie_node_data_append(node, i)
  * 
  *         logger.info("    Computing collocations...")             # <<<<<<<<<<<<<<
@@ -63905,7 +64053,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_76));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_77));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":393
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":393
  *             for pattern2 in J_set:
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -63919,7 +64067,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(__pyx_int_neg_1);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_79));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":400
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":400
  *                 x = x+1
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -63933,7 +64081,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(__pyx_int_neg_1);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_80));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":407
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":407
  *                 x = x+2
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2             # <<<<<<<<<<<<<<
@@ -63947,7 +64095,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(__pyx_int_neg_1);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_81));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/precomputation.pxi":409
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":409
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)
  *                     combined_pattern = pattern2 + (-1,) + pattern1             # <<<<<<<<<<<<<<
@@ -63961,7 +64109,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(__pyx_int_neg_1);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_82));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":103
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":103
  * 
  *         '''Step 3: read off suffix array from inverse suffix array'''
  *         logger.info("    Finalizing sort...")             # <<<<<<<<<<<<<<
@@ -63975,7 +64123,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_92));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_93));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":202
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":202
  *             for a_i in self.sa:
  *                 f.write("%d " % a_i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -63989,7 +64137,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_96));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":205
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":205
  *             for w_i in self.ha:
  *                 f.write("%d " % w_i)
  *             f.write("\n")             # <<<<<<<<<<<<<<
@@ -64003,7 +64151,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_14));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_97));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/suffix_array.pxi":198
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":198
  * 
  *     def write_enhanced(self, char* filename):
  *         with open(filename, "w") as f:             # <<<<<<<<<<<<<<
@@ -64023,47 +64171,47 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(Py_None);
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_98));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":105
  *             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_103 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_103)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_103);
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_102));
-  PyTuple_SET_ITEM(__pyx_k_tuple_103, 0, ((PyObject *)__pyx_kp_s_102));
-  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_102));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_103));
+  __pyx_k_tuple_102 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_102)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 105; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":302
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":314
  *         self.rules.root = ExtendedTrieNode(phrase_location=PhraseLocation())
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-  __pyx_k_tuple_108 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_108)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_108);
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_107));
-  PyTuple_SET_ITEM(__pyx_k_tuple_108, 0, ((PyObject *)__pyx_kp_s_107));
-  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_107));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_108));
+  __pyx_k_tuple_107 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_107)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 314; __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/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":1008
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1020
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
  *                 # checking whether lookup_required
  *                 if lookup_required:
  */
-  __pyx_k_tuple_123 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_123)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1008; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_123);
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_122));
-  PyTuple_SET_ITEM(__pyx_k_tuple_123, 0, ((PyObject *)__pyx_kp_s_122));
-  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_122));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_123));
+  __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_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));
 
   /* "_sa.pyx":9
  *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
@@ -64097,7 +64245,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_138));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_139));
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":104
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
  * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
@@ -64181,16 +64329,15 @@ PyMODINIT_FUNC PyInit__sa(void)
   #endif
   /*--- Module creation code ---*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("_sa"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("_sa"), __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
   #else
   __pyx_m = PyModule_Create(&__pyx_moduledef);
   #endif
-  if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
-  #if PY_MAJOR_VERSION < 3
-  Py_INCREF(__pyx_m);
+  if (unlikely(!__pyx_m)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME)); if (unlikely(!__pyx_b)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #if CYTHON_COMPILING_IN_PYPY
+  Py_INCREF(__pyx_b);
   #endif
-  __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
-  if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
   if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
   /*--- Initialize various global constants etc. ---*/
   if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -64335,30 +64482,24 @@ PyMODINIT_FUNC PyInit__sa(void)
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   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;
-  __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 *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, unsigned int, unsigned int, unsigned int))__pyx_f_3_sa_6Scorer_score;
-  if (PyType_Ready(&__pyx_type_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_3_sa_Scorer.tp_dict, __pyx_vtabptr_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Scorer", (PyObject *)&__pyx_type_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa_Scorer = &__pyx_type_3_sa_Scorer;
-  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 20; __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 = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 32; __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 = 32; __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 = 26; __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 = 26; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 38; __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 = 38; __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 = 37; __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 = 37; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 49; __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 = 49; __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 = 58; __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 = 58; __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 = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 70; __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 = 70; __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 = 70; __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 = 80; __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 = 80; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 92; __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 = 92; __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;
@@ -64376,10 +64517,16 @@ 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;
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-  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 202; __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 = 202; __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 = 202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 214; __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 = 214; __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 = 214; __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;
+  if (PyType_Ready(&__pyx_type_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Scorer.tp_dict, __pyx_vtabptr_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Scorer", (PyObject *)&__pyx_type_3_sa_Scorer) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 23; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Scorer = &__pyx_type_3_sa_Scorer;
   if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct____iter__) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct____iter__ = &__pyx_type_3_sa___pyx_scope_struct____iter__;
   if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_1_read_bitext) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 71; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -64396,14 +64543,14 @@ PyMODINIT_FUNC PyInit__sa(void)
   __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_alignments) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_3_sa___pyx_scope_struct_7_alignments = &__pyx_type_3_sa___pyx_scope_struct_7_alignments;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_8___iter__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_8___iter__ = &__pyx_type_3_sa___pyx_scope_struct_8___iter__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_9___str__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_9___str__ = &__pyx_type_3_sa___pyx_scope_struct_9___str__;
-  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_10_genexpr) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __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_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 923; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_3_sa___pyx_scope_struct_11_input = &__pyx_type_3_sa___pyx_scope_struct_11_input;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_8_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 935; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_8_input = &__pyx_type_3_sa___pyx_scope_struct_8_input;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_9___iter__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 15; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_9___iter__ = &__pyx_type_3_sa___pyx_scope_struct_9___iter__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_10___str__) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 20; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_10___str__ = &__pyx_type_3_sa___pyx_scope_struct_10___str__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_11_genexpr) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 21; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_11_genexpr = &__pyx_type_3_sa___pyx_scope_struct_11_genexpr;
   /*--- Type import code ---*/
   /*--- Variable import code ---*/
   /*--- Function import code ---*/
@@ -64472,7 +64619,7 @@ PyMODINIT_FUNC PyInit__sa(void)
   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;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/bilex.pxi":54
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":54
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  * 
  *     def __cinit__(self, from_text=None, from_data=False, from_binary=None,             # <<<<<<<<<<<<<<
@@ -64485,7 +64632,7 @@ PyMODINIT_FUNC PyInit__sa(void)
   __Pyx_GIVEREF(__pyx_t_1);
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":17
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":17
  * from libc.string cimport memset
  * 
  * cdef int MIN_BOTTOM_SIZE = 32             # <<<<<<<<<<<<<<
@@ -64494,7 +64641,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
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-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":18
  * 
  * cdef int MIN_BOTTOM_SIZE = 32
  * cdef int MIN_BOTTOM_BITS = 5             # <<<<<<<<<<<<<<
@@ -64503,7 +64650,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
   __pyx_v_3_sa_MIN_BOTTOM_BITS = 5;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/veb.pxi":28
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":28
  *         LOWER_MASK[i] = mask
  * 
  * _init_lower_mask()             # <<<<<<<<<<<<<<
@@ -64512,7 +64659,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
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-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":4
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":4
  * from libc.stdlib cimport malloc, realloc, strtol
  * 
  * cdef int INDEX_SHIFT = 3             # <<<<<<<<<<<<<<
@@ -64521,7 +64668,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
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-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":5
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":5
  * 
  * cdef int INDEX_SHIFT = 3
  * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1             # <<<<<<<<<<<<<<
@@ -64530,7 +64677,7 @@ PyMODINIT_FUNC PyInit__sa(void)
  */
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-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":87
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":87
  *             return self.terminals.index(s)
  * 
  * cdef Alphabet ALPHABET = Alphabet()             # <<<<<<<<<<<<<<
@@ -64545,7 +64692,7 @@ PyMODINIT_FUNC PyInit__sa(void)
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   __pyx_t_1 = 0;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/sym.pxi":104
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
  *     return ALPHABET.setindex(sym, id)
  * 
  * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":1
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-  /* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":3
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-  /* "/home/vchahune/tools/cdec/python/src/sa/features.pxi":4
- * 
- * INITIAL_CAPACITY = 7 # default number of features
- * INCREMENT = INITIAL_CAPACITY # double size             # <<<<<<<<<<<<<<
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":5
+ * # Much faster than the Python numbers reported there.
+ * # Note to reader: this code is closer to C than Python
+ * import gc             # <<<<<<<<<<<<<<
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":5
- * # Much faster than the Python numbers reported there.
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":6
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-  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__gc), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__itertools), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":11
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":12
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- * from collections import defaultdict             # <<<<<<<<<<<<<<
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- * cdef int PRECOMPUTE = 0
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-  __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 11; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":13
- * from collections import defaultdict
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":14
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":14
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":15
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-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":18
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-  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __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 = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_3);
+  __Pyx_GIVEREF(__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;
+  __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_3); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 30; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __pyx_v_3_sa_EPSILON = __pyx_t_4;
 
-  /* "/home/vchahune/tools/cdec/python/src/sa/rulefactory.pxi":41
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":53
  *     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 = 41; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  __pyx_k_100 = __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 = 53; __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;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":1
+ * cdef StringMap FD = StringMap()             # <<<<<<<<<<<<<<
+ * 
+ * INITIAL_CAPACITY = 7 # default number of features
+ */
+  __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_3);
+  __pyx_v_3_sa_FD = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_3);
+  __pyx_t_3 = 0;
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":3
+ * cdef StringMap FD = StringMap()
+ * 
+ * INITIAL_CAPACITY = 7 # default number of features             # <<<<<<<<<<<<<<
+ * INCREMENT = INITIAL_CAPACITY # double size
+ * 
+ */
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__INITIAL_CAPACITY, __pyx_int_7) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/features.pxi":4
+ * 
+ * INITIAL_CAPACITY = 7 # default number of features
+ * INCREMENT = INITIAL_CAPACITY # double size             # <<<<<<<<<<<<<<
+ * 
+ * cdef class FeatureVector:
+ */
+  __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);
@@ -64764,7 +65003,7 @@ static void __Pyx_RaiseDoubleKeywordsError(
         "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
         #else
         "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AS_STRING(kw_name));
+        PyString_AsString(kw_name));
         #endif
 }
 
@@ -64785,48 +65024,72 @@ static int __Pyx_ParseOptionalKeywords(
         while (*name && (**name != key)) name++;
         if (*name) {
             values[name-argnames] = value;
-        } else {
-            #if PY_MAJOR_VERSION < 3
-            if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key))) {
-            #else
-            if (unlikely(!PyUnicode_Check(key))) {
-            #endif
-                goto invalid_keyword_type;
-            } else {
-                for (name = first_kw_arg; *name; name++) {
-                    #if PY_MAJOR_VERSION >= 3
-                    if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
-                        PyUnicode_Compare(**name, key) == 0) break;
-                    #else
-                    if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
-                        _PyString_Eq(**name, key)) break;
-                    #endif
-                }
-                if (*name) {
+            continue;
+        }
+        name = first_kw_arg;
+        #if PY_MAJOR_VERSION < 3
+        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
+            while (*name) {
+                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
+                        && _PyString_Eq(**name, key)) {
                     values[name-argnames] = value;
-                } else {
-                    for (name=argnames; name != first_kw_arg; name++) {
-                        if (**name == key) goto arg_passed_twice;
-                        #if PY_MAJOR_VERSION >= 3
-                        if (PyUnicode_GET_SIZE(**name) == PyUnicode_GET_SIZE(key) &&
-                            PyUnicode_Compare(**name, key) == 0) goto arg_passed_twice;
-                        #else
-                        if (PyString_GET_SIZE(**name) == PyString_GET_SIZE(key) &&
-                            _PyString_Eq(**name, key)) goto arg_passed_twice;
-                        #endif
-                    }
-                    if (kwds2) {
-                        if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-                    } else {
-                        goto invalid_keyword;
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    if ((**argname == key) || (
+                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
+                             && _PyString_Eq(**argname, key))) {
+                        goto arg_passed_twice;
                     }
+                    argname++;
+                }
+            }
+        } else
+        #endif
+        if (likely(PyUnicode_Check(key))) {
+            while (*name) {
+                int cmp = (**name == key) ? 0 :
+                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
+                #endif
+                    PyUnicode_Compare(**name, key);
+                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                if (cmp == 0) {
+                    values[name-argnames] = value;
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    int cmp = (**argname == key) ? 0 :
+                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
+                    #endif
+                        PyUnicode_Compare(**argname, key);
+                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                    if (cmp == 0) goto arg_passed_twice;
+                    argname++;
                 }
             }
+        } else
+            goto invalid_keyword_type;
+        if (kwds2) {
+            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+        } else {
+            goto invalid_keyword;
         }
     }
     return 0;
 arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, **name);
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
     goto bad;
 invalid_keyword_type:
     PyErr_Format(PyExc_TypeError,
@@ -64865,7 +65128,7 @@ static void __Pyx_RaiseArgtupleInvalid(
         more_or_less = "exactly";
     }
     PyErr_Format(PyExc_TypeError,
-                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 "%s() takes %s %" CYTHON_FORMAT_SSIZE_T "d positional argument%s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                  func_name, more_or_less, num_expected,
                  (num_expected == 1) ? "" : "s", num_found);
 }
@@ -64905,33 +65168,38 @@ static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyOb
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                         CYTHON_UNUSED PyObject *cause) {
     Py_XINCREF(type);
-    Py_XINCREF(value);
-    Py_XINCREF(tb);
-    if (tb == Py_None) {
-        Py_DECREF(tb);
-        tb = 0;
-    }
-    else if (tb != NULL && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto raise_error;
-    }
-    if (value == NULL) {
-        value = Py_None;
+    if (!value || value == Py_None)
+        value = NULL;
+    else
         Py_INCREF(value);
+    if (!tb || tb == Py_None)
+        tb = NULL;
+    else {
+        Py_INCREF(tb);
+        if (!PyTraceBack_Check(tb)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: arg 3 must be a traceback or None");
+            goto raise_error;
+        }
     }
     #if PY_VERSION_HEX < 0x02050000
-    if (!PyClass_Check(type))
+    if (PyClass_Check(type)) {
     #else
-    if (!PyType_Check(type))
+    if (PyType_Check(type)) {
     #endif
-    {
-        if (value != Py_None) {
+#if CYTHON_COMPILING_IN_PYPY
+        if (!value) {
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+#endif
+        PyErr_NormalizeException(&type, &value, &tb);
+    } else {
+        if (value) {
             PyErr_SetString(PyExc_TypeError,
                 "instance exception may not have a separate value");
             goto raise_error;
         }
-        Py_DECREF(value);
         value = type;
         #if PY_VERSION_HEX < 0x02050000
             if (PyInstance_Check(type)) {
@@ -64964,6 +65232,7 @@ raise_error:
 }
 #else /* Python 3+ */
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
     if (tb == Py_None) {
         tb = 0;
     } else if (tb && !PyTraceBack_Check(tb)) {
@@ -64981,12 +65250,36 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
         }
         value = type;
         type = (PyObject*) Py_TYPE(value);
-    } else if (!PyExceptionClass_Check(type)) {
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *args;
+        if (!value)
+            args = PyTuple_New(0);
+        else if (PyTuple_Check(value)) {
+            Py_INCREF(value);
+            args = value;
+        }
+        else
+            args = PyTuple_Pack(1, value);
+        if (!args)
+            goto bad;
+        owned_instance = PyEval_CallObject(type, args);
+        Py_DECREF(args);
+        if (!owned_instance)
+            goto bad;
+        value = owned_instance;
+        if (!PyExceptionInstance_Check(value)) {
+            PyErr_Format(PyExc_TypeError,
+                         "calling %R should have returned an instance of "
+                         "BaseException, not %R",
+                         type, Py_TYPE(value));
+            goto bad;
+        }
+    } else {
         PyErr_SetString(PyExc_TypeError,
             "raise: exception class must be a subclass of BaseException");
         goto bad;
     }
-    if (cause) {
+    if (cause && cause != Py_None) {
         PyObject *fixed_cause;
         if (PyExceptionClass_Check(cause)) {
             fixed_cause = PyObject_CallObject(cause, NULL);
@@ -65003,9 +65296,6 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
                             "BaseException");
             goto bad;
         }
-        if (!value) {
-            value = PyObject_CallObject(type, NULL);
-        }
         PyException_SetCause(value, fixed_cause);
     }
     PyErr_SetObject(type, value);
@@ -65019,6 +65309,7 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
         }
     }
 bad:
+    Py_XDECREF(owned_instance);
     return;
 }
 #endif
@@ -65042,13 +65333,17 @@ static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
 {
     PyObject* key = 0;
     Py_ssize_t pos = 0;
+#if CPYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
     while (PyDict_Next(kwdict, &pos, &key, 0)) {
         #if PY_MAJOR_VERSION < 3
         if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
-        #else
-        if (unlikely(!PyUnicode_Check(key)))
         #endif
-            goto invalid_keyword_type;
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
     }
     if ((!kw_allowed) && unlikely(key))
         goto invalid_keyword;
@@ -65057,6 +65352,7 @@ invalid_keyword_type:
     PyErr_Format(PyExc_TypeError,
         "%s() keywords must be strings", function_name);
     return 0;
+#endif
 invalid_keyword:
     PyErr_Format(PyExc_TypeError,
     #if PY_MAJOR_VERSION < 3
@@ -65069,10 +65365,9 @@ invalid_keyword:
     return 0;
 }
 
-
-
 static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     local_type = tstate->curexc_type;
@@ -65081,19 +65376,27 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->curexc_type = 0;
     tstate->curexc_value = 0;
     tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
     PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_COMPILING_IN_CPYTHON
     if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
         goto bad;
     #if PY_MAJOR_VERSION >= 3
     if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
         goto bad;
     #endif
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
     Py_INCREF(local_type);
     Py_INCREF(local_value);
     Py_INCREF(local_tb);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
@@ -65101,10 +65404,13 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->exc_value = local_value;
     tstate->exc_traceback = local_tb;
     /* Make sure tstate is in a consistent state when we XDECREF
-       these objects (XDECREF may run arbitrary code). */
+       these objects (DECREF may run arbitrary code). */
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
     return 0;
 bad:
     *type = 0;
@@ -65133,23 +65439,40 @@ static CYTHON_INLINE long __Pyx_mod_long(long a, long b) {
     return r;
 }
 
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
     PyErr_Format(PyExc_ValueError,
-                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
-                 index, (index == 1) ? "" : "s");
+                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
 }
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
     PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
 }
 
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else if (PyErr_Occurred()) {
+static CYTHON_INLINE int __Pyx_IterFinish(void) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject* exc_type = tstate->curexc_type;
+    if (unlikely(exc_type)) {
+        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
+            PyObject *exc_value, *exc_tb;
+            exc_value = tstate->curexc_value;
+            exc_tb = tstate->curexc_traceback;
+            tstate->curexc_type = 0;
+            tstate->curexc_value = 0;
+            tstate->curexc_traceback = 0;
+            Py_DECREF(exc_type);
+            Py_XDECREF(exc_value);
+            Py_XDECREF(exc_tb);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#else
+    if (unlikely(PyErr_Occurred())) {
         if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
             PyErr_Clear();
             return 0;
@@ -65158,12 +65481,25 @@ static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
         }
     }
     return 0;
+#endif
 }
 
-
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
+    if (unlikely(retval)) {
+        Py_DECREF(retval);
+        __Pyx_RaiseTooManyValuesError(expected);
+        return -1;
+    } else {
+        return __Pyx_IterFinish();
+    }
+    return 0;
+}
 
 static double __Pyx__PyObject_AsDouble(PyObject* obj) {
     PyObject* float_value;
+#if CYTHON_COMPILING_IN_PYPY
+    float_value = PyNumber_Float(obj);
+#else
     if (Py_TYPE(obj)->tp_as_number && Py_TYPE(obj)->tp_as_number->nb_float) {
         return PyFloat_AsDouble(obj);
     } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
@@ -65180,6 +65516,7 @@ static double __Pyx__PyObject_AsDouble(PyObject* obj) {
         PyTuple_SET_ITEM(args, 0, 0);
         Py_DECREF(args);
     }
+#endif
     if (likely(float_value)) {
         double value = PyFloat_AS_DOUBLE(float_value);
         Py_DECREF(float_value);
@@ -65213,8 +65550,158 @@ static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed
     return 0;
 }
 
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is unsubscriptable");
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2,
+                                             int is_tuple, int has_known_size, int decref_tuple) {
+    Py_ssize_t index;
+    PyObject *value1 = NULL, *value2 = NULL, *iter = NULL;
+    if (!is_tuple && unlikely(!PyTuple_Check(tuple))) {
+        iternextfunc iternext;
+        iter = PyObject_GetIter(tuple);
+        if (unlikely(!iter)) goto bad;
+        if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; }
+        iternext = Py_TYPE(iter)->tp_iternext;
+        value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; }
+        value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; }
+        if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad;
+        Py_DECREF(iter);
+    } else {
+        if (!has_known_size && unlikely(PyTuple_GET_SIZE(tuple) != 2)) {
+            __Pyx_UnpackTupleError(tuple, 2);
+            goto bad;
+        }
+#if CYTHON_COMPILING_IN_PYPY
+        value1 = PySequence_ITEM(tuple, 0);
+        if (unlikely(!value1)) goto bad;
+        value2 = PySequence_ITEM(tuple, 1);
+        if (unlikely(!value2)) goto bad;
+#else
+        value1 = PyTuple_GET_ITEM(tuple, 0);
+        value2 = PyTuple_GET_ITEM(tuple, 1);
+        Py_INCREF(value1);
+        Py_INCREF(value2);
+#endif
+        if (decref_tuple) { Py_DECREF(tuple); }
+    }
+    *pvalue1 = value1;
+    *pvalue2 = value2;
+    return 0;
+unpacking_failed:
+    if (!has_known_size && __Pyx_IterFinish() == 0)
+        __Pyx_RaiseNeedMoreValuesError(index);
+bad:
+    Py_XDECREF(iter);
+    Py_XDECREF(value1);
+    Py_XDECREF(value2);
+    if (decref_tuple) { Py_XDECREF(tuple); }
+    return -1;
+}
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_source_is_dict) {
+    is_dict = is_dict || likely(PyDict_CheckExact(iterable));
+    *p_source_is_dict = is_dict;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (is_dict) {
+        *p_orig_length = PyDict_Size(iterable);
+        Py_INCREF(iterable);
+        return iterable;
+    }
+#endif
+    *p_orig_length = 0;
+    if (method_name) {
+        PyObject* iter;
+        iterable = PyObject_CallMethodObjArgs(iterable, method_name, NULL);
+        if (!iterable)
+            return NULL;
+#if !CYTHON_COMPILING_IN_PYPY
+        if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable))
+            return iterable;
+#endif
+        iter = PyObject_GetIter(iterable);
+        Py_DECREF(iterable);
+        return iter;
+    }
+    return PyObject_GetIter(iterable);
+}
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* iter_obj, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) {
+    PyObject* next_item;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (source_is_dict) {
+        PyObject *key, *value;
+        if (unlikely(orig_length != PyDict_Size(iter_obj))) {
+            PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration");
+            return -1;
+        }
+        if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) {
+            return 0;
+        }
+        if (pitem) {
+            PyObject* tuple = PyTuple_New(2);
+            if (unlikely(!tuple)) {
+                return -1;
+            }
+            Py_INCREF(key);
+            Py_INCREF(value);
+            PyTuple_SET_ITEM(tuple, 0, key);
+            PyTuple_SET_ITEM(tuple, 1, value);
+            *pitem = tuple;
+        } else {
+            if (pkey) {
+                Py_INCREF(key);
+                *pkey = key;
+            }
+            if (pvalue) {
+                Py_INCREF(value);
+                *pvalue = value;
+            }
+        }
+        return 1;
+    } else if (PyTuple_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyTuple_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else if (PyList_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyList_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else
+#endif
+    {
+        next_item = PyIter_Next(iter_obj);
+        if (unlikely(!next_item)) {
+            return __Pyx_IterFinish();
+        }
+    }
+    if (pitem) {
+        *pitem = next_item;
+    } else if (pkey && pvalue) {
+        if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1))
+            return -1;
+    } else if (pkey) {
+        *pkey = next_item;
+    } else {
+        *pvalue = next_item;
+    }
+    return 1;
 }
 
 static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
@@ -65225,6 +65712,7 @@ static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
 }
 
 static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     *type = tstate->exc_type;
     *value = tstate->exc_value;
@@ -65232,8 +65720,12 @@ static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value,
     Py_XINCREF(*type);
     Py_XINCREF(*value);
     Py_XINCREF(*tb);
+#else
+    PyErr_GetExcInfo(type, value, tb);
+#endif
 }
 static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
@@ -65245,6 +65737,9 @@ static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb)
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(type, value, tb);
+#endif
 }
 
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
@@ -65325,78 +65820,6 @@ static CYTHON_INLINE void __Pyx_RaiseImportError(PyObject *name) {
 #endif
 }
 
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        if (PyBytes_GET_SIZE(s1) != PyBytes_GET_SIZE(s2)) {
-            return (equals == Py_NE);
-        } else if (PyBytes_GET_SIZE(s1) == 1) {
-            if (equals == Py_EQ)
-                return (PyBytes_AS_STRING(s1)[0] == PyBytes_AS_STRING(s2)[0]);
-            else
-                return (PyBytes_AS_STRING(s1)[0] != PyBytes_AS_STRING(s2)[0]);
-        } else {
-            int result = memcmp(PyBytes_AS_STRING(s1), PyBytes_AS_STRING(s2), (size_t)PyBytes_GET_SIZE(s1));
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyUnicode_CheckExact(s1) & PyUnicode_CheckExact(s2)) {
-        #if CYTHON_PEP393_ENABLED
-        if ((PyUnicode_READY(s1) < 0) || (PyUnicode_READY(s2) < 0))
-            return -1;
-        if (PyUnicode_GET_LENGTH(s1) != PyUnicode_GET_LENGTH(s2)) {
-            return (equals == Py_NE);
-        } else if (PyUnicode_GET_LENGTH(s1) == 1) {
-            Py_UCS4 ch1 = PyUnicode_READ_CHAR(s1, 0);
-            Py_UCS4 ch2 = PyUnicode_READ_CHAR(s2, 0);
-            return (equals == Py_EQ) ? (ch1 == ch2) : (ch1 != ch2);
-        #else
-        if (PyUnicode_GET_SIZE(s1) != PyUnicode_GET_SIZE(s2)) {
-            return (equals == Py_NE);
-        } else if (PyUnicode_GET_SIZE(s1) == 1) {
-            Py_UNICODE ch1 = PyUnicode_AS_UNICODE(s1)[0];
-            Py_UNICODE ch2 = PyUnicode_AS_UNICODE(s2)[0];
-            return (equals == Py_EQ) ? (ch1 == ch2) : (ch1 != ch2);
-        #endif
-        } else {
-            int result = PyUnicode_Compare(s1, s2);
-            if ((result == -1) && unlikely(PyErr_Occurred()))
-                return -1;
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyUnicode_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyUnicode_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-}
-
 static PyObject *
 __Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
 {
@@ -65677,6 +66100,56 @@ __Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
                                PyString_AsString(func_name), (void *)op);
 #endif
 }
+#if CYTHON_COMPILING_IN_PYPY
+static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyCFunctionObject* f = (PyCFunctionObject*)func;
+    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
+    PyObject *self = PyCFunction_GET_SELF(func);
+    Py_ssize_t size;
+    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
+    case METH_VARARGS:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
+            return (*meth)(self, arg);
+        break;
+    case METH_VARARGS | METH_KEYWORDS:
+        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
+    case METH_NOARGS:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
+            size = PyTuple_GET_SIZE(arg);
+            if (size == 0)
+                return (*meth)(self, NULL);
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes no arguments (%zd given)",
+                f->m_ml->ml_name, size);
+            return NULL;
+        }
+        break;
+    case METH_O:
+        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
+            size = PyTuple_GET_SIZE(arg);
+            if (size == 1)
+                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
+            PyErr_Format(PyExc_TypeError,
+                "%.200s() takes exactly one argument (%zd given)",
+                f->m_ml->ml_name, size);
+            return NULL;
+        }
+        break;
+    default:
+        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
+                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
+                        "longer supported!");
+        return NULL;
+    }
+    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
+                 f->m_ml->ml_name);
+    return NULL;
+}
+#else
+static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+	return PyCFunction_Call(func, arg, kw);
+}
+#endif
 static PyTypeObject __pyx_CyFunctionType_type = {
     PyVarObject_HEAD_INIT(0, 0)
     __Pyx_NAMESTR("cython_function_or_method"), /*tp_name*/
@@ -65696,7 +66169,7 @@ static PyTypeObject __pyx_CyFunctionType_type = {
     0,                                  /*tp_as_sequence*/
     0,                                  /*tp_as_mapping*/
     0,                                  /*tp_hash*/
-    __Pyx_PyCFunction_Call,             /*tp_call*/
+    __Pyx_CyFunction_Call,              /*tp_call*/
     0,                                  /*tp_str*/
     0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/
@@ -65732,15 +66205,16 @@ static PyTypeObject __pyx_CyFunctionType_type = {
     0,                                  /*tp_version_tag*/
 #endif
 };
-static int __Pyx_CyFunction_init(void)
-{
+static int __Pyx_CyFunction_init(void) {
+#if !CYTHON_COMPILING_IN_PYPY
+    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
+#endif
     if (PyType_Ready(&__pyx_CyFunctionType_type) < 0)
         return -1;
     __pyx_CyFunctionType = &__pyx_CyFunctionType_type;
     return 0;
 }
-void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects)
-{
+static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
     __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
     m->defaults = PyMem_Malloc(size);
     if (!m->defaults)
@@ -65749,8 +66223,7 @@ void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects)
     m->defaults_pyobjects = pyobjects;
     return m->defaults;
 }
-static void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple)
-{
+static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
     __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
     m->defaults_tuple = tuple;
     Py_INCREF(tuple);
@@ -66156,8 +66629,8 @@ static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject*
     }
 }
 
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
-                                  int lineno, const char *filename) {
+static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
+                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename) {
     PyObject *old_exc, *old_val, *old_tb;
     PyObject *ctx;
     __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
@@ -66177,6 +66650,7 @@ static void __Pyx_WriteUnraisable(const char *name, int clineno,
 
 static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
@@ -66184,6 +66658,10 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
     tstate->exc_type = *type;
     tstate->exc_value = *value;
     tstate->exc_traceback = *tb;
+#else
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+#endif
     *type = tmp_type;
     *value = tmp_value;
     *tb = tmp_tb;
@@ -66193,9 +66671,70 @@ static PyObject *__Pyx_Generator_Next(PyObject *self);
 static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
 static PyObject *__Pyx_Generator_Close(PyObject *self);
 static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
+static PyTypeObject *__pyx_GeneratorType = 0;
+#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
+#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
+    PyObject *et, *ev, *tb;
+    PyObject *value = NULL;
+    __Pyx_ErrFetch(&et, &ev, &tb);
+    if (!et) {
+        Py_XDECREF(tb);
+        Py_XDECREF(ev);
+        Py_INCREF(Py_None);
+        *pvalue = Py_None;
+        return 0;
+    }
+    if (unlikely(et != PyExc_StopIteration) &&
+            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    if (likely(et == PyExc_StopIteration)) {
+        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
+            if (!ev) {
+                Py_INCREF(Py_None);
+                ev = Py_None;
+            }
+            Py_XDECREF(tb);
+            Py_DECREF(et);
+            *pvalue = ev;
+            return 0;
+        }
+    }
+    PyErr_NormalizeException(&et, &ev, &tb);
+    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    Py_XDECREF(tb);
+    Py_DECREF(et);
+#if PY_VERSION_HEX >= 0x030300A0
+    value = ((PyStopIterationObject *)ev)->value;
+    Py_INCREF(value);
+    Py_DECREF(ev);
+#else
+    {
+        PyObject* args = PyObject_GetAttrString(ev, "args");
+        Py_DECREF(ev);
+        if (likely(args)) {
+            value = PyObject_GetItem(args, 0);
+            Py_DECREF(args);
+        }
+        if (unlikely(!value)) {
+            __Pyx_ErrRestore(NULL, NULL, NULL);
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+    }
+#endif
+    *pvalue = value;
+    return 0;
+}
+#endif
 static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
-{
+void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
     PyObject *exc_type = self->exc_type;
     PyObject *exc_value = self->exc_value;
     PyObject *exc_traceback = self->exc_traceback;
@@ -66207,14 +66746,18 @@ void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
     Py_XDECREF(exc_traceback);
 }
 static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *retval;
-    if (unlikely(self->is_running)) {
+int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
+    if (unlikely(gen->is_running)) {
         PyErr_SetString(PyExc_ValueError,
                         "generator already executing");
-        return NULL;
+        return 1;
     }
+    return 0;
+}
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
+    PyObject *retval;
+    assert(!self->is_running);
     if (unlikely(self->resume_label == 0)) {
         if (unlikely(value && value != Py_None)) {
             PyErr_SetString(PyExc_TypeError,
@@ -66227,81 +66770,240 @@ PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
         PyErr_SetNone(PyExc_StopIteration);
         return NULL;
     }
-    if (value)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (value) {
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Generators always return to their most recent caller, not
+         * necessarily their creator. */
+        if (self->exc_traceback) {
+            PyThreadState *tstate = PyThreadState_GET();
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_XINCREF(tstate->frame);
+            assert(f->f_back == NULL);
+            f->f_back = tstate->frame;
+        }
+#endif
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     self->is_running = 1;
     retval = self->body((PyObject *) self, value);
     self->is_running = 0;
-    if (retval)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (retval) {
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Don't keep the reference to f_back any longer than necessary.  It
+         * may keep a chain of frames alive or it could create a reference
+         * cycle. */
+        if (self->exc_traceback) {
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_CLEAR(f->f_back);
+        }
+#endif
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     return retval;
 }
-static PyObject *__Pyx_Generator_Next(PyObject *self)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, Py_None);
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
+    PyObject *ret;
+    PyObject *val = NULL;
+    __Pyx_Generator_Undelegate(gen);
+    __Pyx_PyGen_FetchStopIterationValue(&val);
+    ret = __Pyx_Generator_SendEx(gen, val);
+    Py_XDECREF(val);
+    return ret;
+}
+static PyObject *__Pyx_Generator_Next(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        ret = Py_TYPE(yf)->tp_iternext(yf);
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, Py_None);
 }
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, value);
+static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Send(yf, value);
+        } else {
+            if (value == Py_None)
+                ret = PyIter_Next(yf);
+            else
+                ret = PyObject_CallMethod(yf, (char*)"send", (char*)"O", value);
+        }
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, value);
+}
+static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
+    PyObject *retval = NULL;
+    int err = 0;
+    if (__Pyx_Generator_CheckExact(yf)) {
+        retval = __Pyx_Generator_Close(yf);
+        if (!retval)
+            return -1;
+    } else {
+        PyObject *meth;
+        gen->is_running = 1;
+        meth = PyObject_GetAttrString(yf, "close");
+        if (unlikely(!meth)) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                PyErr_WriteUnraisable(yf);
+            }
+            PyErr_Clear();
+        } else {
+            retval = PyObject_CallFunction(meth, NULL);
+            Py_DECREF(meth);
+            if (!retval)
+                err = -1;
+        }
+        gen->is_running = 0;
+    }
+    Py_XDECREF(retval);
+    return err;
 }
-static PyObject *__Pyx_Generator_Close(PyObject *self)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
-    PyObject *retval;
+static PyObject *__Pyx_Generator_Close(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject *retval, *raised_exception;
+    PyObject *yf = gen->yieldfrom;
+    int err = 0;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        Py_INCREF(yf);
+        err = __Pyx_Generator_CloseIter(gen, yf);
+        __Pyx_Generator_Undelegate(gen);
+        Py_DECREF(yf);
+    }
+    if (err == 0)
 #if PY_VERSION_HEX < 0x02050000
-    PyErr_SetNone(PyExc_StopIteration);
+        PyErr_SetNone(PyExc_StopIteration);
 #else
-    PyErr_SetNone(PyExc_GeneratorExit);
+        PyErr_SetNone(PyExc_GeneratorExit);
 #endif
-    retval = __Pyx_Generator_SendEx(generator, NULL);
+    retval = __Pyx_Generator_SendEx(gen, NULL);
     if (retval) {
         Py_DECREF(retval);
         PyErr_SetString(PyExc_RuntimeError,
                         "generator ignored GeneratorExit");
         return NULL;
     }
-#if PY_VERSION_HEX < 0x02050000
-    if (PyErr_ExceptionMatches(PyExc_StopIteration))
-#else
-    if (PyErr_ExceptionMatches(PyExc_StopIteration)
-        || PyErr_ExceptionMatches(PyExc_GeneratorExit))
+    raised_exception = PyErr_Occurred();
+    if (!raised_exception
+        || raised_exception == PyExc_StopIteration
+#if PY_VERSION_HEX >= 0x02050000
+        || raised_exception == PyExc_GeneratorExit
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
 #endif
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
     {
-        PyErr_Clear();          /* ignore these errors */
+        if (raised_exception) PyErr_Clear();      /* ignore these errors */
         Py_INCREF(Py_None);
         return Py_None;
     }
     return NULL;
 }
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
+static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject *typ;
     PyObject *tb = NULL;
     PyObject *val = NULL;
+    PyObject *yf = gen->yieldfrom;
     if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
         return NULL;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        Py_INCREF(yf);
+#if PY_VERSION_HEX >= 0x02050000
+        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
+            int err = __Pyx_Generator_CloseIter(gen, yf);
+            Py_DECREF(yf);
+            __Pyx_Generator_Undelegate(gen);
+            if (err < 0)
+                return __Pyx_Generator_SendEx(gen, NULL);
+            goto throw_here;
+        }
+#endif
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Throw(yf, args);
+        } else {
+            PyObject *meth = PyObject_GetAttrString(yf, "throw");
+            if (unlikely(!meth)) {
+                Py_DECREF(yf);
+                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                    gen->is_running = 0;
+                    return NULL;
+                }
+                PyErr_Clear();
+                __Pyx_Generator_Undelegate(gen);
+                gen->is_running = 0;
+                goto throw_here;
+            }
+            ret = PyObject_CallObject(meth, args);
+            Py_DECREF(meth);
+        }
+        gen->is_running = 0;
+        Py_DECREF(yf);
+        if (!ret) {
+            ret = __Pyx_Generator_FinishDelegation(gen);
+        }
+        return ret;
+    }
+throw_here:
     __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(generator, NULL);
+    return __Pyx_Generator_SendEx(gen, NULL);
 }
-static int
-__Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg)
-{
+static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     Py_VISIT(gen->closure);
     Py_VISIT(gen->classobj);
+    Py_VISIT(gen->yieldfrom);
     Py_VISIT(gen->exc_type);
     Py_VISIT(gen->exc_value);
     Py_VISIT(gen->exc_traceback);
     return 0;
 }
-static void
-__Pyx_Generator_dealloc(PyObject *self)
-{
+static int __Pyx_Generator_clear(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    Py_CLEAR(gen->closure);
+    Py_CLEAR(gen->classobj);
+    Py_CLEAR(gen->yieldfrom);
+    Py_CLEAR(gen->exc_type);
+    Py_CLEAR(gen->exc_value);
+    Py_CLEAR(gen->exc_traceback);
+    return 0;
+}
+static void __Pyx_Generator_dealloc(PyObject *self) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject_GC_UnTrack(gen);
     if (gen->gi_weakreflist != NULL)
@@ -66313,16 +67015,10 @@ __Pyx_Generator_dealloc(PyObject *self)
             return;                     /* resurrected.  :( */
     }
     PyObject_GC_UnTrack(self);
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
+    __Pyx_Generator_clear(self);
     PyObject_GC_Del(gen);
 }
-static void
-__Pyx_Generator_del(PyObject *self)
-{
+static void __Pyx_Generator_del(PyObject *self) {
     PyObject *res;
     PyObject *error_type, *error_value, *error_traceback;
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
@@ -66351,11 +67047,13 @@ __Pyx_Generator_del(PyObject *self)
         _Py_NewReference(self);
         self->ob_refcnt = refcnt;
     }
+#if CYTHON_COMPILING_FOR_CPYTHON
     assert(PyType_IS_GC(self->ob_type) &&
            _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
     /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
      * we need to undo that. */
     _Py_DEC_REFTOTAL;
+#endif
     /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
      * chain, so no more to do there.
      * If COUNT_ALLOCS, the original decref bumped tp_frees, and
@@ -66363,13 +67061,17 @@ __Pyx_Generator_del(PyObject *self)
      * undone.
      */
 #ifdef COUNT_ALLOCS
-    --self->ob_type->tp_frees;
-    --self->ob_type->tp_allocs;
+    --Py_TYPE(self)->tp_frees;
+    --Py_TYPE(self)->tp_allocs;
 #endif
 }
 static PyMemberDef __pyx_Generator_memberlist[] = {
     {(char *) "gi_running",
-     T_INT,
+#if PY_VERSION_HEX >= 0x02060000
+     T_BOOL,
+#else
+     T_BYTE,
+#endif
      offsetof(__pyx_GeneratorObject, is_running),
      READONLY,
      NULL},
@@ -66381,7 +67083,7 @@ static PyMethodDef __pyx_Generator_methods[] = {
     {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
     {0, 0, 0, 0}
 };
-static PyTypeObject __pyx_GeneratorType = {
+static PyTypeObject __pyx_GeneratorType_type = {
     PyVarObject_HEAD_INIT(0, 0)
     __Pyx_NAMESTR("generator"),         /*tp_name*/
     sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
@@ -66402,7 +67104,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_hash*/
     0,                                  /*tp_call*/
     0,                                  /*tp_str*/
-    PyObject_GenericGetAttr,            /*tp_getattro*/
+    0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/
     0,                                  /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
@@ -66411,7 +67113,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_clear*/
     0,                                  /*tp_richcompare*/
     offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    PyObject_SelfIter,                  /*tp_iter*/
+    0,                                  /*tp_iter*/
     (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
     __pyx_Generator_methods,            /*tp_methods*/
     __pyx_Generator_memberlist,         /*tp_members*/
@@ -66436,12 +67138,10 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_version_tag*/
 #endif
 };
-static
-__pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                           PyObject *closure)
-{
+static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
+                                                  PyObject *closure) {
     __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType);
+        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
     if (gen == NULL)
         return NULL;
     gen->body = body;
@@ -66450,6 +67150,7 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     gen->is_running = 0;
     gen->resume_label = 0;
     gen->classobj = NULL;
+    gen->yieldfrom = NULL;
     gen->exc_type = NULL;
     gen->exc_value = NULL;
     gen->exc_traceback = NULL;
@@ -66457,9 +67158,14 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     PyObject_GC_Track(gen);
     return gen;
 }
-static int __pyx_Generator_init(void)
-{
-    return PyType_Ready(&__pyx_GeneratorType);
+static int __pyx_Generator_init(void) {
+    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
+    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
+    if (PyType_Ready(&__pyx_GeneratorType_type)) {
+        return -1;
+    }
+    __pyx_GeneratorType = &__pyx_GeneratorType_type;
+    return 0;
 }
 
 static int __Pyx_check_binary_version(void) {
diff --git a/python/src/sa/_sa.pyx b/python/src/sa/_sa.pyx
index bb3a4d38..50da4235 100644
--- a/python/src/sa/_sa.pyx
+++ b/python/src/sa/_sa.pyx
@@ -26,5 +26,5 @@ include "sym.pxi"
 include "rule.pxi"
 include "precomputation.pxi"
 include "suffix_array.pxi"
-include "features.pxi"
 include "rulefactory.pxi"
+include "features.pxi"
diff --git a/python/src/sa/bilex.pxi b/python/src/sa/bilex.pxi
index 27d1be49..44bc0ce6 100644
--- a/python/src/sa/bilex.pxi
+++ b/python/src/sa/bilex.pxi
@@ -4,7 +4,7 @@
 
 from libc.stdio cimport FILE, fopen, fread, fwrite, fclose
 from libc.stdlib cimport malloc, realloc, free
-from libc.string cimport memset, strcpy, strlen
+from libc.string cimport memset, strcpy
 
 cdef struct _node:
     _node* smaller
@@ -74,7 +74,6 @@ cdef class BiLex:
         cdef int *fsent, *esent, *alignment, *links, *ealigned, *faligned
         cdef _node** dict
         cdef int *fmargin, *emargin, *count
-        cdef bytes word
         cdef int null_word
 
         null_word = 0
@@ -215,32 +214,28 @@ cdef class BiLex:
     cdef write_wordlist(self, wordlist, FILE* f):
         cdef int word_len
         cdef int num_words
-        cdef char* c_word
 
         num_words = len(wordlist)
         fwrite(&(num_words), sizeof(int), 1, f)
         for word in wordlist:
-            c_word = word
-            word_len = strlen(c_word) + 1
+            word_len = len(word) + 1
             fwrite(&(word_len), sizeof(int), 1, f)
-            fwrite(c_word, sizeof(char), word_len, f)
+            fwrite(<char *>word, sizeof(char), word_len, f)
 
 
     cdef read_wordlist(self, word2id, id2word, FILE* f):
         cdef int num_words
         cdef int word_len
-        cdef char* c_word
-        cdef bytes py_word
+        cdef char* word
 
         fread(&(num_words), sizeof(int), 1, f)
         for i from 0 <= i < num_words:
             fread(&(word_len), sizeof(int), 1, f)
-            c_word = <char*> malloc (word_len * sizeof(char))
-            fread(c_word, sizeof(char), word_len, f)
-            py_word = c_word
-            free(c_word)
-            word2id[py_word] = len(id2word)
-            id2word.append(py_word)
+            word = <char*> malloc (word_len * sizeof(char))
+            fread(word, sizeof(char), word_len, f)
+            word2id[word] = len(id2word)
+            id2word.append(word)
+            free(word)
 
     def read_binary(self, char* filename):
         cdef FILE* f
diff --git a/python/src/sa/data_array.pxi b/python/src/sa/data_array.pxi
index 7a102a7e..9f62dc0a 100644
--- a/python/src/sa/data_array.pxi
+++ b/python/src/sa/data_array.pxi
@@ -4,7 +4,7 @@
 
 from libc.stdio cimport FILE, fopen, fread, fwrite, fclose
 from libc.stdlib cimport malloc, realloc, free
-from libc.string cimport memset, strcpy, strlen
+from libc.string cimport memset, strcpy
 
 cdef class DataArray:
     cdef word2id
@@ -99,20 +99,19 @@ cdef class DataArray:
     cdef void read_handle(self, FILE* f):
         cdef int num_words, word_len
         cdef unsigned i
-        cdef char* c_word
-        cdef bytes py_word
+        cdef char* word
+
         self.data.read_handle(f)
         self.sent_index.read_handle(f)
         self.sent_id.read_handle(f)
         fread(&(num_words), sizeof(int), 1, f)
         for i in range(num_words):
             fread(&(word_len), sizeof(int), 1, f)
-            c_word = <char*> malloc (word_len * sizeof(char))
-            fread(c_word, sizeof(char), word_len, f)
-            py_word = c_word
-            free(c_word)
-            self.word2id[py_word] = len(self.id2word)
-            self.id2word.append(py_word)
+            word = <char*> malloc (word_len * sizeof(char))
+            fread(word, sizeof(char), word_len, f)
+            self.word2id[word] = len(self.id2word)
+            self.id2word.append(word)
+            free(word)
         if len(self.sent_id) == 0:
             self.use_sent_id = False
         else:
@@ -121,17 +120,16 @@ cdef class DataArray:
     cdef void write_handle(self, FILE* f):
         cdef int word_len
         cdef int num_words
-        cdef char* c_word
+
         self.data.write_handle(f)
         self.sent_index.write_handle(f)
         self.sent_id.write_handle(f)
         num_words = len(self.id2word) - 2
         fwrite(&(num_words), sizeof(int), 1, f)
         for word in self.id2word[2:]:
-            c_word = word
-            word_len = strlen(c_word) + 1
+            word_len = len(word) + 1
             fwrite(&(word_len), sizeof(int), 1, f)
-            fwrite(c_word, sizeof(char), word_len, f)
+            fwrite(<char *>word, sizeof(char), word_len, f)
 
     def write_binary(self, char* filename):
         cdef FILE* f
diff --git a/python/src/sa/features.pxi b/python/src/sa/features.pxi
index fcb93f26..eeef4feb 100644
--- a/python/src/sa/features.pxi
+++ b/python/src/sa/features.pxi
@@ -26,9 +26,8 @@ cdef class Scorer:
         names = [FD.index(<char *>model.__name__) for model in models]
         self.models = zip(names, models)
 
-    cdef FeatureVector score(self, Phrase fphrase, Phrase ephrase,
-            unsigned paircount, unsigned fcount, unsigned fsample_count):
+    cdef FeatureVector score(self, c):
         cdef FeatureVector scores = FeatureVector()
         for name, model in self.models:
-            scores.set(name, model(fphrase, ephrase, paircount, fcount, fsample_count))
+            scores.set(name, model(c.fphrase, c.ephrase, c.paircount, c.fcount, c.fsample_count))
         return scores
diff --git a/python/src/sa/rulefactory.pxi b/python/src/sa/rulefactory.pxi
index afd83785..69cadac9 100644
--- a/python/src/sa/rulefactory.pxi
+++ b/python/src/sa/rulefactory.pxi
@@ -3,12 +3,24 @@
 # Much faster than the Python numbers reported there.
 # Note to reader: this code is closer to C than Python
 import gc
+import itertools
 
 from libc.stdlib cimport malloc, realloc, free
 from libc.string cimport memset, memcpy
 from libc.math cimport fmod, ceil, floor, log
 
-from collections import defaultdict
+from collections import defaultdict, Counter, namedtuple
+
+FeatureContext = namedtuple("FeatureContext",
+  ["fphrase", 
+   "ephrase", 
+   "paircount", 
+   "fcount", 
+   "fsample_count",
+   "input_span",
+   "matches",
+   "test_sentence"
+  ])
 
 cdef int PRECOMPUTE = 0
 cdef int MERGE = 1
@@ -1070,29 +1082,29 @@ cdef class HieroCachingRuleFactory:
                             extract = []
 
                             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(extract)
+                            extracts.extend([(e, loc) for e in extract])
                             j = j + num_subpatterns
 
                         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 = defaultdict(int)
-                            fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(int)))
-                            for f, e, count, als in extracts:
+                            fcount = Counter()
+                            fphrases = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
+                            for (f, e, count, als), loc in extracts:
                                 fcount[f] += count
-                                fphrases[f][e][als] += count
+                                fphrases[f][e][als].append(loc)
                             for f, elist in fphrases.iteritems():
                                 for e, alslist in elist.iteritems():
-                                    alignment = None
-                                    count = 0
-                                    for als, currcount in alslist.iteritems():
-                                        if currcount > count:
-                                            alignment = als
-                                            count = currcount 
-                                    scores = self.scorer.score(f, e, count,
-                                            fcount[f], num_samples)
+                                    alignment = max(alslist.iteritems(), key=lambda x: len(x[1]))[0]
+                                    locs = tuple(itertools.chain(alslist.itervalues()))
+                                    count = len(locs)
+                                    scores = self.scorer.score(FeatureContext(
+                                               f, e, count, fcount[f], num_samples,
+                                               (i,k), locs, fwords
+                                               ))
                                     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: