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Fixing gap timeout in 'bmc3'.

This commit is contained in:
Alan Mishchenko 2013-03-13 12:02:41 +01:00
parent bf795e57cf
commit a3b8b0a59d
1 changed files with 42 additions and 8 deletions
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50
src/sat/bmc/bmcBmc3.c
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@ -1312,6 +1312,30 @@ void Saig_ParBmcSetDefaultParams( Saig_ParBmc_t * p )
p->timeLastSolved = 0; // time when the last one was solved
}
/**Function*************************************************************
Synopsis [Returns time to stop.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
clock_t Saig_ManBmcTimeToStop( Saig_ParBmc_t * pPars, clock_t nTimeToStopNG )
{
clock_t nTimeToStopGap = pPars->nTimeOutGap ? pPars->nTimeOutGap * CLOCKS_PER_SEC + clock(): 0;
clock_t nTimeToStop = 0;
if ( nTimeToStopNG && nTimeToStopGap )
nTimeToStop = Abc_MinInt( nTimeToStopNG, nTimeToStopGap );
else if ( nTimeToStopNG )
nTimeToStop = nTimeToStopNG;
else if ( nTimeToStopGap )
nTimeToStop = nTimeToStopGap;
return nTimeToStop;
}
/**Function*************************************************************
Synopsis [Bounded model checking engine.]
@ -1332,7 +1356,9 @@ int Saig_ManBmcScalable( Aig_Man_t * pAig, Saig_ParBmc_t * pPars )
int nOutDigits = Abc_Base10Log( Saig_ManPoNum(pAig) );
int i, f, k, Lit, status;
clock_t clk, clk2, clkOther = 0, clkTotal = clock();
clock_t nTimeToStop = pPars->nTimeOut ? pPars->nTimeOut * CLOCKS_PER_SEC + clock(): 0;
clock_t nTimeToStopNG = pPars->nTimeOut ? pPars->nTimeOut * CLOCKS_PER_SEC + clock(): 0;
clock_t nTimeToStop = Saig_ManBmcTimeToStop( pPars, nTimeToStopNG );
// create BMC manager
p = Saig_Bmc3ManStart( pAig );
p->pPars = pPars;
if ( pPars->fVerbose )
@ -1345,7 +1371,7 @@ int Saig_ManBmcScalable( Aig_Man_t * pAig, Saig_ParBmc_t * pPars )
}
pPars->nFramesMax = pPars->nFramesMax ? pPars->nFramesMax : ABC_INFINITY;
// set runtime limit
if ( p->pPars->nTimeOut )
if ( nTimeToStop )
sat_solver_set_runtime_limit( p->pSat, nTimeToStop );
// perform frames
Aig_ManRandom( 1 );
@ -1402,18 +1428,18 @@ int Saig_ManBmcScalable( Aig_Man_t * pAig, Saig_ParBmc_t * pPars )
if ( i >= Saig_ManPoNum(pAig) )
break;
// check for timeout
if ( pPars->nTimeOut && clock() > nTimeToStop )
{
printf( "Reached timeout (%d seconds).\n", pPars->nTimeOut );
Saig_Bmc3ManStop( p );
return RetValue;
}
if ( pPars->nTimeOutGap && pPars->timeLastSolved && clock() > pPars->timeLastSolved + pPars->nTimeOutGap * CLOCKS_PER_SEC )
{
printf( "Reached gap timeout (%d seconds).\n", pPars->nTimeOutGap );
Saig_Bmc3ManStop( p );
return RetValue;
}
if ( nTimeToStop && clock() > nTimeToStop )
{
printf( "Reached timeout (%d seconds).\n", pPars->nTimeOut );
Saig_Bmc3ManStop( p );
return RetValue;
}
// skip solved outputs
if ( p->vCexes && Vec_PtrEntry(p->vCexes, i) )
continue;
@ -1442,7 +1468,11 @@ clkOther += clock() - clk2;
p->vCexes = Vec_PtrStart( Saig_ManPoNum(pAig) );
Vec_PtrWriteEntry( p->vCexes, i, (void *)(ABC_PTRINT_T)1 );
RetValue = 0;
// reset the timeout
pPars->timeLastSolved = clock();
nTimeToStop = Saig_ManBmcTimeToStop( pPars, nTimeToStopNG );
if ( nTimeToStop )
sat_solver_set_runtime_limit( p->pSat, nTimeToStop );
continue;
}
// solve th is output
@ -1517,7 +1547,11 @@ clkOther += clock() - clk2;
p->vCexes = Vec_PtrStart( Saig_ManPoNum(pAig) );
Vec_PtrWriteEntry( p->vCexes, i, (void *)(ABC_PTRINT_T)1 );
RetValue = 0;
// reset the timeout
pPars->timeLastSolved = clock();
nTimeToStop = Saig_ManBmcTimeToStop( pPars, nTimeToStopNG );
if ( nTimeToStop )
sat_solver_set_runtime_limit( p->pSat, nTimeToStop );
}
else
{