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-rw-r--r--src/aig/gia/giaSweeper.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/aig/gia/giaSweeper.c b/src/aig/gia/giaSweeper.c
index eccba34e..e84c7b59 100644
--- a/src/aig/gia/giaSweeper.c
+++ b/src/aig/gia/giaSweeper.c
@@ -68,12 +68,12 @@ struct Swp_Man_t_
Vec_Int_t * vCondProbes; // conditions as probes
Vec_Int_t * vCondLits; // conditions as literals
// equivalence checking
+ sat_solver * pSat; // SAT solver
Vec_Int_t * vId2Lit; // mapping of Obj IDs into SAT literal
Vec_Int_t * vFront; // temporary frontier
Vec_Int_t * vFanins; // temporary fanins
Vec_Int_t * vCexSwp; // sweeper counter-example
Vec_Int_t * vCexUser; // user-visible counter-example
- sat_solver * pSat; // SAT solver
int nSatVars; // counter of SAT variables
// statistics
int nSatCalls;
@@ -124,7 +124,8 @@ static inline Swp_Man_t * Swp_ManStart( Gia_Man_t * pGia )
p->vCexSwp = Vec_IntAlloc( 100 );
p->pSat = sat_solver_new();
p->nSatVars = 1;
- Swp_ManSetObj2Lit( p, 0, (Lit = Abc_Var2Lit(p->nSatVars++, 1)) );
+ Swp_ManSetObj2Lit( p, 0, (Lit = Abc_Var2Lit(p->nSatVars++, 0)) );
+ Lit = Abc_LitNot(Lit);
sat_solver_addclause( p->pSat, &Lit, &Lit + 1 );
pGia->pData = p;
return p;
@@ -310,9 +311,13 @@ Gia_Man_t * Gia_SweeperExtractUserLogic( Gia_Man_t * p, Vec_Int_t * vProbeIds, V
Gia_ManConst0(p)->Value = 0;
Gia_ManForEachPi( p, pObj, i )
pObj->Value = Gia_ManAppendCi(pNew);
+ // create internal nodes
+ Gia_ManHashStart( pNew );
Gia_ManForEachObjVec( vObjIds, p, pObj, i )
pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
+ Gia_ManHashStop( pNew );
Vec_IntFree( vObjIds );
+ // create outputs
Vec_IntForEachEntry( vProbeIds, ProbeId, i )
{
pObj = Gia_Lit2Obj( p, Gia_SweeperProbeLit(p, ProbeId) );