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Specialized inductive check.

This commit is contained in:
Alan Mishchenko 2013-11-04 16:20:31 -08:00
parent a0529ec5c8
commit 22fd7dca45
1 changed files with 5 additions and 0 deletions
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5
src/sat/bmc/bmcICheck.c
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@ -94,6 +94,7 @@ sat_solver * Bmc_DeriveSolver( Gia_Man_t * p, Gia_Man_t * pMiter, Cnf_Dat_t * pC
Vec_Int_t * vLits;
Gia_Obj_t * pObj, * pObj0, * pObj1;
int i, k, iVar0, iVar1, iVarOut;
int VarShift = 0;
// start the SAT solver
pSat = sat_solver_new();
@ -108,6 +109,8 @@ sat_solver * Bmc_DeriveSolver( Gia_Man_t * p, Gia_Man_t * pMiter, Cnf_Dat_t * pC
// load the last timeframe
Cnf_DataLiftGia( pCnf, pMiter, Gia_ManRegNum(p) + Gia_ManCoNum(p) );
VarShift += Gia_ManRegNum(p) + Gia_ManCoNum(p);
// add XOR clauses
Gia_ManForEachPo( p, pObj, i )
{
@ -141,6 +144,7 @@ sat_solver * Bmc_DeriveSolver( Gia_Man_t * p, Gia_Man_t * pMiter, Cnf_Dat_t * pC
Vec_IntPush( vLits, pCnf->pVarNums[Gia_ObjId(pMiter, pObj)] );
// lift CNF again
Cnf_DataLiftGia( pCnf, pMiter, pCnf->nVars );
VarShift += pCnf->nVars;
// stitch the clauses
Gia_ManForEachRi( pMiter, pObj, i )
{
@ -173,6 +177,7 @@ sat_solver * Bmc_DeriveSolver( Gia_Man_t * p, Gia_Man_t * pMiter, Cnf_Dat_t * pC
assert( 0 );
}
// sat_solver_compress( pSat );
Cnf_DataLiftGia( pCnf, pMiter, -VarShift );
Vec_IntFree( vLits );
return pSat;
}