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Adding switch to enable reuse of proof-obligations in the last timeframe.

This commit is contained in:
Alan Mishchenko 2013-09-16 22:57:50 -07:00
parent 2ba12a76ff
commit 105648bf7c
3 changed files with 7 additions and 2 deletions
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6
src/base/abci/abc.c
View File

@ -23622,7 +23622,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
int c;
Pdr_ManSetDefaultParams( pPars );
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "MFCRTHGaxrmsdgvwzh" ) ) != EOF )
while ( ( c = Extra_UtilGetopt( argc, argv, "MFCRTHGaxrmspdgvwzh" ) ) != EOF )
{
switch ( c )
{
@ -23718,6 +23718,9 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
case 's':
pPars->fShortest ^= 1;
break;
case 'p':
pPars->fReuseProofOblig ^= 1;
break;
case 'd':
pPars->fDumpInv ^= 1;
break;
@ -23781,6 +23784,7 @@ usage:
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" );
Abc_Print( -2, "\t-p : toggle using proof-obligations from the last timeframe [default = %s]\n", pPars->fReuseProofOblig? "yes": "no" );
Abc_Print( -2, "\t-d : toggle dumping inductive invariant [default = %s]\n", pPars->fDumpInv? "yes": "no" );
Abc_Print( -2, "\t-g : toggle skipping expensive generalization step [default = %s]\n", pPars->fSkipGeneral? "yes": "no" );
Abc_Print( -2, "\t-v : toggle printing optimization summary [default = %s]\n", pPars->fVerbose? "yes": "no" );

1
src/proof/pdr/pdr.h
View File

@ -52,6 +52,7 @@ struct Pdr_Par_t_
int fMonoCnf; // monolythic CNF
int fDumpInv; // dump inductive invariant
int fShortest; // forces bug traces to be shortest
int fReuseProofOblig; // reuses proof-obligationgs in the last timeframe
int fSkipGeneral; // skips expensive generalization step
int fVerbose; // verbose output`
int fVeryVerbose; // very verbose output

2
src/proof/pdr/pdrCore.c
View File

@ -525,7 +525,7 @@ int Pdr_ManBlockCube( Pdr_Man_t * p, Pdr_Set_t * pCube )
for ( i = 1; i <= k; i++ )
Pdr_ManSolverAddClause( p, i, pCubeMin );
// schedule proof obligation
if ( !p->pPars->fShortest )
if ( (k < kMax || p->pPars->fReuseProofOblig) && !p->pPars->fShortest )
{
pThis->iFrame = k+1;
pThis->prio = Prio--;