Experiments with simulation.

abclib.dsp

@@ -5539,6 +5539,10 @@ SOURCE=.\src\proof\cec\cecSeq.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\proof\cec\cecSim.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\proof\cec\cecSolve.c
 # End Source File
 # Begin Source File

src/aig/gia/gia.h

@@ -479,6 +479,7 @@ static inline int          Gia_ObjValue( Gia_Obj_t * pObj )                    {
 static inline void         Gia_ObjSetValue( Gia_Obj_t * pObj, int i )          { pObj->Value = i;                                            }
 static inline int          Gia_ObjPhase( Gia_Obj_t * pObj )                    { return pObj->fPhase;                                        }
 static inline int          Gia_ObjPhaseReal( Gia_Obj_t * pObj )                { return Gia_Regular(pObj)->fPhase ^ Gia_IsComplement(pObj);  }
+static inline int          Gia_ObjPhaseDiff( Gia_Man_t * p, int i, int k )     { return Gia_ManObj(p, i)->fPhase ^ Gia_ManObj(p, k)->fPhase; }
 
 static inline int          Gia_ObjIsTerm( Gia_Obj_t * pObj )                   { return pObj->fTerm;                             } 
 static inline int          Gia_ObjIsAndOrConst0( Gia_Obj_t * pObj )            { return!pObj->fTerm;                             } 

src/misc/util/utilTruth.h

@@ -216,6 +216,12 @@ static inline void Abc_TtMask( word * pTruth, int nWords, int nBits )
   SeeAlso     []
 
 ***********************************************************************/
+static inline void Abc_TtVec( word * pOut, int nWords, word Entry )
+{
+    int w;
+    for ( w = 0; w < nWords; w++ )
+        pOut[w] = Entry;
+}
 static inline void Abc_TtConst( word * pOut, int nWords, int fConst1 )
 {
     int w;
@@ -316,6 +322,12 @@ static inline void Abc_TtOrXor( word * pOut, word * pIn1, word * pIn2, int nWord
     for ( w = 0; w < nWords; w++ )
         pOut[w] |= pIn1[w] ^ pIn2[w];
 }
+static inline void Abc_TtOrAnd( word * pOut, word * pIn1, word * pIn2, int nWords )
+{
+    int w;
+    for ( w = 0; w < nWords; w++ )
+        pOut[w] |= pIn1[w] & pIn2[w];
+}
 static inline void Abc_TtXor( word * pOut, word * pIn1, word * pIn2, int nWords, int fCompl )
 {
     int w;

src/proof/cec/module.make

@@ -10,6 +10,7 @@ SRC +=    src/proof/cec/cecCec.c \
     src/proof/cec/cecSatG.c \
     src/proof/cec/cecSatG2.c \
     src/proof/cec/cecSeq.c \
+    src/proof/cec/cecSim.c \
     src/proof/cec/cecSolve.c \
     src/proof/cec/cecSolveG.c \
     src/proof/cec/cecSplit.c \