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Bug fix in '&reachy' having to do with incorrect handling of resource limits.

This commit is contained in:
Alan Mishchenko 2013-04-17 18:36:54 -07:00
parent 9b6efa34ad
commit 95d9aae3e7
1 changed files with 16 additions and 9 deletions
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25
src/proof/bbr/bbrReach.c
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@ -249,6 +249,7 @@ int Aig_ManComputeReachable( DdManager * dd, Aig_Man_t * p, DdNode ** pbParts, D
int nThreshold = 10000;
clock_t clk = clock();
Vec_Ptr_t * vOnionRings;
int fixedPoint = 0;
status = Cudd_ReorderingStatus( dd, &method );
if ( status )
@ -318,8 +319,10 @@ int Aig_ManComputeReachable( DdManager * dd, Aig_Man_t * p, DdNode ** pbParts, D
bNext = Cudd_bddVarMap( dd, bTemp = bNext ); Cudd_Ref( bNext );
Cudd_RecursiveDeref( dd, bTemp );
// check if there are any new states
if ( Cudd_bddLeq( dd, bNext, bReached ) )
if ( Cudd_bddLeq( dd, bNext, bReached ) ) {
fixedPoint = 1;
break;
}
// check the BDD size
nBddSize = Cudd_DagSize(bNext);
if ( nBddSize > pPars->nBddMax )
@ -405,16 +408,20 @@ int Aig_ManComputeReachable( DdManager * dd, Aig_Man_t * p, DdNode ** pbParts, D
}
//ABC_PRB( dd, bReached );
Cudd_RecursiveDeref( dd, bReached );
if ( nIters > pPars->nIterMax || nBddSize > pPars->nBddMax )
{
if ( !pPars->fSilent )
printf( "Verified only for states reachable in %d frames. ", nIters );
return -1; // undecided
}
if ( !pPars->fSilent )
// SPG
//
if ( fixedPoint ) {
if ( !pPars->fSilent ) {
printf( "The miter is proved unreachable after %d iterations. ", nIters );
}
pPars->iFrame = nIters - 1;
return 1;
}
assert(nIters >= pPars->nIterMax || nBddSize >= pPars->nBddMax);
if ( !pPars->fSilent )
printf( "Verified only for states reachable in %d frames. ", nIters );
pPars->iFrame = nIters - 1;
return 1; // unreachable
return -1; // undecided
}
/**Function*************************************************************