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Wrapper around the BMC engine to restart it with higher resource limits.

This commit is contained in:
Alan Mishchenko 2013-10-29 12:30:16 -07:00
parent e3f9ad3c97
commit e23dd881fb
1 changed files with 38 additions and 1 deletions
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39
src/sat/bmc/bmcBmcAnd.c
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@ -953,7 +953,7 @@ Cnf_Dat_t * Cnf_DeriveGia( Gia_Man_t * p )
SeeAlso []
***********************************************************************/
int Gia_ManBmcPerform( Gia_Man_t * pGia, Bmc_AndPar_t * pPars )
int Gia_ManBmcPerformInt( Gia_Man_t * pGia, Bmc_AndPar_t * pPars )
{
Bmc_Mna_t * p;
Gia_Man_t * pTemp;
@ -1050,6 +1050,43 @@ int Gia_ManBmcPerform( Gia_Man_t * pGia, Bmc_AndPar_t * pPars )
return RetValue;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Gia_ManBmcPerform( Gia_Man_t * pGia, Bmc_AndPar_t * pPars )
{
abctime TimeToStop = pPars->nTimeOut ? pPars->nTimeOut * CLOCKS_PER_SEC + Abc_Clock() : 0;
if ( pPars->nFramesAdd == 0 )
return Gia_ManBmcPerformInt( pGia, pPars );
// iterate over the engine until we read the global timeout
assert( pPars->nTimeOut >= 0 );
while ( 1 )
{
if ( TimeToStop && TimeToStop < Abc_Clock() )
return -1;
if ( Gia_ManBmcPerformInt( pGia, pPars ) == 0 )
return 0;
// set the new runtime limit
if ( pPars->nTimeOut )
{
pPars->nTimeOut = Abc_MinInt( pPars->nTimeOut-1, (int)((TimeToStop - Abc_Clock()) / CLOCKS_PER_SEC) );
if ( pPars->nTimeOut <= 0 )
return -1;
}
// set the new frames limit
pPars->nFramesAdd *= 2;
}
return -1;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////