static inline int Pdr_ObjSatVar2FindOrAdd( Pdr_Man_t * p, int k, Aig_Obj_t * pObj )
{
Vec_Int_t * vId2Vars = p->pvId2Vars + Aig_ObjId(pObj);
assert( p->pCnf2->pObj2Count[Aig_ObjId(pObj)] >= 0 );
if ( Vec_IntSize(vId2Vars) == 0 )
Vec_IntGrow(vId2Vars, 2 * k + 1);
if ( Vec_IntGetEntry(vId2Vars, k) == 0 )
{
sat_solver * pSat = Pdr_ManSolver(p, k);
Vec_Int_t * vVar2Ids = (Vec_Int_t *)Vec_PtrEntry(&p->vVar2Ids, k);
int iVarNew = Vec_IntSize( vVar2Ids );
assert( iVarNew > 0 );
Vec_IntPush( vVar2Ids, Aig_ObjId(pObj) );
Vec_IntWriteEntry( vId2Vars, k, iVarNew << 2 );
sat_solver_setnvars( pSat, iVarNew + 1 );
if ( k == 0 && Saig_ObjIsLo(p->pAig, pObj) ) // initialize the register output
{
int Lit = toLitCond( iVarNew, 1 );
int RetValue = sat_solver_addclause( pSat, &Lit, &Lit + 1 );
assert( RetValue == 1 );
(void) RetValue;
sat_solver_compress( pSat );
}
}
return Vec_IntEntry( vId2Vars, k );
}
static inline int Swp_ManObj2Lit( Swp_Man_t * p, int Id ) { return Vec_IntGetEntry( p->vId2Lit, Id ); }