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/**CFile****************************************************************
FileName [intUtil.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Interpolation engine.]
Synopsis [Various interpolation utilities.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 24, 2008.]
Revision [$Id: intUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "intInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Returns 1 if the property fails in the initial state.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Inter_ManCheckInitialState( Aig_Man_t * p )
{
Cnf_Dat_t * pCnf;
Aig_Obj_t * pObj;
sat_solver * pSat;
int i, status;
clock_t clk = clock();
pCnf = Cnf_Derive( p, Saig_ManRegNum(p) );
pSat = (sat_solver *)Cnf_DataWriteIntoSolver( pCnf, 1, 1 );
if ( pSat == NULL )
{
Cnf_DataFree( pCnf );
return 0;
}
status = sat_solver_solve( pSat, NULL, NULL, (ABC_INT64_T)0, (ABC_INT64_T)0, (ABC_INT64_T)0, (ABC_INT64_T)0 );
ABC_PRT( "Time", clock() - clk );
if ( status == l_True )
{
p->pSeqModel = Abc_CexAlloc( Aig_ManRegNum(p), Saig_ManPiNum(p), 1 );
Saig_ManForEachPi( p, pObj, i )
if ( sat_solver_var_value( pSat, pCnf->pVarNums[Aig_ObjId(pObj)] ) )
Abc_InfoSetBit( p->pSeqModel->pData, Aig_ManRegNum(p) + i );
}
Cnf_DataFree( pCnf );
sat_solver_delete( pSat );
return status == l_True;
}
/**Function*************************************************************
Synopsis [Returns 1 if the property holds in all states.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Inter_ManCheckAllStates( Aig_Man_t * p )
{
Cnf_Dat_t * pCnf;
sat_solver * pSat;
int status;
clock_t clk = clock();
pCnf = Cnf_Derive( p, Saig_ManRegNum(p) );
pSat = (sat_solver *)Cnf_DataWriteIntoSolver( pCnf, 1, 0 );
Cnf_DataFree( pCnf );
if ( pSat == NULL )
return 1;
status = sat_solver_solve( pSat, NULL, NULL, (ABC_INT64_T)0, (ABC_INT64_T)0, (ABC_INT64_T)0, (ABC_INT64_T)0 );
sat_solver_delete( pSat );
ABC_PRT( "Time", clock() - clk );
return status == l_False;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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