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Bug fix: no need to normalize const0 node.

This commit is contained in:
Alan Mishchenko 2012-09-17 10:02:37 -07:00
parent 819b41bb59
commit 1f9abfd7a8
1 changed files with 2 additions and 2 deletions
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4
src/proof/cec/cecSolve.c
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@ -383,8 +383,8 @@ void Cec_ManSatSolverRecycle( Cec_ManSat_t * p )
p->nSatVars = 1; p->nSatVars = 1;
// p->nSatVars = 0; // p->nSatVars = 0;
Lit = toLitCond( p->nSatVars, 1 ); Lit = toLitCond( p->nSatVars, 1 );
if ( p->pPars->fPolarFlip ) // if ( p->pPars->fPolarFlip ) // no need to normalize const0 node (bug fix by SS on 9/17/2012)
Lit = lit_neg( Lit ); // Lit = lit_neg( Lit );
sat_solver_addclause( p->pSat, &Lit, &Lit + 1 ); sat_solver_addclause( p->pSat, &Lit, &Lit + 1 );
Cec_ObjSetSatNum( p, Gia_ManConst0(p->pAig), p->nSatVars++ ); Cec_ObjSetSatNum( p, Gia_ManConst0(p->pAig), p->nSatVars++ );