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Commit 4876f1e2 by Alan Mishchenko
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Added switch '-x' to save CEXes in 'bmc3' and 'pdr' in multi-output mode.

parent f1cd8797
Showing with 49 additions and 21 deletions
src/base/abci/abc.c
......@@ -21010,7 +21010,7 @@ int Abc_CommandBmc3( Abc_Frame_t * pAbc, int argc, char ** argv )
int c;
Saig_ParBmcSetDefaultParams( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "SFTGCDJILadruvzh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "SFTGCDJILaxdruvzh" ) ) != EOF )
{
switch ( c )
{
......@@ -21114,6 +21114,9 @@ int Abc_CommandBmc3( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'a':
pPars->fSolveAll ^= 1;
break;
case 'x':
pPars->fStoreCex ^= 1;
break;
case 'd':
pPars->fDropSatOuts ^= 1;
break;
......@@ -21185,7 +21188,7 @@ int Abc_CommandBmc3( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
Abc_Print( -2, "usage: bmc3 [-SFTGCDJI num] [-L file] [-aduvzh]\n" );
Abc_Print( -2, "usage: bmc3 [-SFTGCDJI num] [-L file] [-axduvzh]\n" );
Abc_Print( -2, "\t performs bounded model checking with dynamic unrolling\n" );
Abc_Print( -2, "\t-S num : the starting time frame [default = %d]\n", pPars->nStart );
Abc_Print( -2, "\t-F num : the max number of time frames (0 = unused) [default = %d]\n", pPars->nFramesMax );
......@@ -21197,6 +21200,7 @@ usage:
Abc_Print( -2, "\t-I num : the number of PIs to abstract [default = %d]\n", pPars->nPisAbstract );
Abc_Print( -2, "\t-L file: the log file name [default = %s]\n", pLogFileName ? pLogFileName : "no logging" );
Abc_Print( -2, "\t-a : solve all outputs (do not stop when one is SAT) [default = %s]\n", pPars->fSolveAll? "yes": "no" );
Abc_Print( -2, "\t-x : toggle storing CEXes when solving all outputs [default = %s]\n", pPars->fStoreCex? "yes": "no" );
Abc_Print( -2, "\t-d : toggle dropping (replacing by 0) SAT outputs [default = %s]\n", pPars->fDropSatOuts? "yes": "no" );
Abc_Print( -2, "\t-u : toggle performing structural OR-decomposition [default = %s]\n", fOrDecomp? "yes": "not" );
Abc_Print( -2, "\t-v : toggle verbose output [default = %s]\n", pPars->fVerbose? "yes": "no" );
......@@ -22584,7 +22588,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
int c;
Pdr_ManSetDefaultParams( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "MFCRTGarmsdgvwzh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "MFCRTGaxrmsdgvwzh" ) ) != EOF )
{
switch ( c )
{
......@@ -22657,6 +22661,9 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'a':
pPars->fSolveAll ^= 1;
break;
case 'x':
pPars->fStoreCex ^= 1;
break;
case 'r':
pPars->fTwoRounds ^= 1;
break;
......@@ -22713,7 +22720,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
Abc_Print( -2, "usage: pdr [-MFCRTG <num>] [-armsdgvwzh]\n" );
Abc_Print( -2, "usage: pdr [-MFCRTG <num>] [-axrmsdgvwzh]\n" );
Abc_Print( -2, "\t model checking using property directed reachability (aka IC3)\n" );
Abc_Print( -2, "\t pioneered by Aaron Bradley (http://ecee.colorado.edu/~bradleya/ic3/)\n" );
Abc_Print( -2, "\t with improvements by Niklas Een (http://een.se/niklas/)\n" );
......@@ -22724,6 +22731,7 @@ usage:
Abc_Print( -2, "\t-T num : approximate timeout in seconds (0 = no limit) [default = %d]\n", pPars->nTimeOut );
Abc_Print( -2, "\t-G num : approximate runtime gap since the last CEX (0 = no limit) [default = %d]\n", pPars->nTimeOutGap );
Abc_Print( -2, "\t-a : toggle solving all outputs even if one of them is SAT [default = %s]\n", pPars->fSolveAll? "yes": "no" );
Abc_Print( -2, "\t-x : toggle storing CEXes when solving all outputs [default = %s]\n", pPars->fStoreCex? "yes": "no" );
Abc_Print( -2, "\t-r : toggle using more effort in generalization [default = %s]\n", pPars->fTwoRounds? "yes": "no" );
Abc_Print( -2, "\t-m : toggle using monolythic CNF computation [default = %s]\n", pPars->fMonoCnf? "yes": "no" );
Abc_Print( -2, "\t-s : toggle creating only shortest counter-examples [default = %s]\n", pPars->fShortest? "yes": "no" );
......
src/proof/pdr/pdr.h
......@@ -57,6 +57,7 @@ struct Pdr_Par_t_
int fNotVerbose; // not printing line by line progress
int fSilent; // totally silent execution
int fSolveAll; // do not stop when found a SAT output
int fStoreCex; // enable storing counter-examples in MO mode
int nFailOuts; // the number of failed outputs
int iFrame; // explored up to this frame
int RunId; // PDR id in this run
......
src/proof/pdr/pdrCore.c
......@@ -590,7 +590,7 @@ int Pdr_ManSolveInt( Pdr_Man_t * p )
if ( p->vCexes == NULL )
p->vCexes = Vec_PtrStart( Saig_ManPoNum(p->pAig) );
assert( Vec_PtrEntry(p->vCexes, p->iOutCur) == NULL );
Vec_PtrWriteEntry( p->vCexes, p->iOutCur, Pdr_ManDeriveCex(p) );
Vec_PtrWriteEntry( p->vCexes, p->iOutCur, p->pPars->fStoreCex ? Pdr_ManDeriveCex(p) : (void *)(ABC_PTRINT_T)1 );
if ( p->pPars->nFailOuts == Saig_ManPoNum(p->pAig) )
return 0; // all SAT
p->pPars->timeLastSolved = clock();
......@@ -640,7 +640,6 @@ int Pdr_ManSolveInt( Pdr_Man_t * p )
}
if ( RetValue == 0 )
{
Abc_Cex_t * pCex;
if ( fPrintClauses )
{
Abc_Print( 1, "*** Clauses after frame %d:\n", k );
......@@ -659,11 +658,10 @@ int Pdr_ManSolveInt( Pdr_Man_t * p )
if ( p->vCexes == NULL )
p->vCexes = Vec_PtrStart( Saig_ManPoNum(p->pAig) );
assert( Vec_PtrEntry(p->vCexes, p->iOutCur) == NULL );
pCex = Pdr_ManDeriveCex(p);
Vec_PtrWriteEntry( p->vCexes, p->iOutCur, pCex );
Vec_PtrWriteEntry( p->vCexes, p->iOutCur, p->pPars->fStoreCex ? Pdr_ManDeriveCex(p) : (void *)(ABC_PTRINT_T)1 );
if ( !p->pPars->fNotVerbose )
Abc_Print( 1, "Output %*d was asserted in frame %2d (%2d) (solved %*d out of %*d outputs).\n",
nOutDigits, p->iOutCur, pCex->iFrame, k, nOutDigits, p->pPars->nFailOuts, nOutDigits, Saig_ManPoNum(p->pAig) );
nOutDigits, p->iOutCur, k, k, nOutDigits, p->pPars->nFailOuts, nOutDigits, Saig_ManPoNum(p->pAig) );
if ( p->pPars->nFailOuts == Saig_ManPoNum(p->pAig) )
return 0; // all SAT
Pdr_QueueClean( p );
......
src/sat/bmc/bmc.h
......@@ -51,6 +51,7 @@ struct Saig_ParBmc_t_
int nTimeOutGap; // approximate timeout in seconds since the last change
int nPisAbstract; // the number of PIs to abstract
int fSolveAll; // does not stop at the first SAT output
int fStoreCex; // enable storing CEXes in the MO mode
int fDropSatOuts; // replace sat outputs by constant 0
int nFfToAddMax; // max number of flops to add during CBA
int fSkipRand; // skip random decisions
......
src/sat/bmc/bmcBmc3.c
......@@ -1338,6 +1338,33 @@ clock_t Saig_ManBmcTimeToStop( Saig_ParBmc_t * pPars, clock_t nTimeToStopNG )
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Cex_t * Saig_ManGenerateCex( Gia_ManBmc_t * p, int f, int i )
{
Aig_Obj_t * pObjPi;
Abc_Cex_t * pCex = Abc_CexMakeTriv( Aig_ManRegNum(p->pAig), Saig_ManPiNum(p->pAig), Saig_ManPoNum(p->pAig), f*Saig_ManPoNum(p->pAig)+i );
int j, k, iBit = Saig_ManRegNum(p->pAig);
for ( j = 0; j <= f; j++, iBit += Saig_ManPiNum(p->pAig) )
Saig_ManForEachPi( p->pAig, pObjPi, k )
{
int iLit = Saig_ManBmcLiteral( p, pObjPi, j );
if ( iLit != ~0 && sat_solver_var_value(p->pSat, lit_var(iLit)) )
Abc_InfoSetBit( pCex->pData, iBit + k );
}
return pCex;
}
/**Function*************************************************************
Synopsis [Bounded model checking engine.]
Description []
......@@ -1465,6 +1492,9 @@ clkOther += clock() - clk2;
nOutDigits, i, f, nOutDigits, pPars->nFailOuts, nOutDigits, Saig_ManPoNum(pAig) );
if ( p->vCexes == NULL )
p->vCexes = Vec_PtrStart( Saig_ManPoNum(pAig) );
if ( pPars->fStoreCex )
Vec_PtrWriteEntry( p->vCexes, i, Abc_CexMakeTriv( Aig_ManRegNum(pAig), Saig_ManPiNum(pAig), Saig_ManPoNum(pAig), f*Saig_ManPoNum(pAig)+i ) );
else
Vec_PtrWriteEntry( p->vCexes, i, (void *)(ABC_PTRINT_T)1 );
RetValue = 0;
// reset the timeout
......@@ -1506,16 +1536,6 @@ nTimeSat += clock() - clk2;
fFirst = 0;
if ( !pPars->fSolveAll )
{
Aig_Obj_t * pObjPi;
Abc_Cex_t * pCex = Abc_CexMakeTriv( Aig_ManRegNum(pAig), Saig_ManPiNum(pAig), Saig_ManPoNum(pAig), f*Saig_ManPoNum(pAig)+i );
int j, iBit = Saig_ManRegNum(pAig);
for ( j = 0; j <= f; j++, iBit += Saig_ManPiNum(pAig) )
Saig_ManForEachPi( p->pAig, pObjPi, k )
{
int iLit = Saig_ManBmcLiteral( p, pObjPi, j );
if ( iLit != ~0 && sat_solver_var_value(p->pSat, lit_var(iLit)) )
Abc_InfoSetBit( pCex->pData, iBit + k );
}
if ( pPars->fVerbose )
{
printf( "%4d %s : ", f, fUnfinished ? "-" : "+" );
......@@ -1537,7 +1557,7 @@ nTimeSat += clock() - clk2;
fflush( stdout );
}
ABC_FREE( pAig->pSeqModel );
pAig->pSeqModel = pCex;
pAig->pSeqModel = Saig_ManGenerateCex( p, f, i );
RetValue = 0;
goto finish;
}
......@@ -1547,7 +1567,7 @@ nTimeSat += clock() - clk2;
nOutDigits, i, f, nOutDigits, pPars->nFailOuts, nOutDigits, Saig_ManPoNum(pAig) );
if ( p->vCexes == NULL )
p->vCexes = Vec_PtrStart( Saig_ManPoNum(pAig) );
Vec_PtrWriteEntry( p->vCexes, i, (void *)(ABC_PTRINT_T)1 );
Vec_PtrWriteEntry( p->vCexes, i, pPars->fStoreCex? Saig_ManGenerateCex( p, f, i ) : (void *)(ABC_PTRINT_T)1 );
RetValue = 0;
// reset the timeout
pPars->timeLastSolved = clock();
......
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