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Variable timeframe abstraction.

This commit is contained in:
Alan Mishchenko 2012-01-28 23:03:25 -08:00
parent 5e1c28338b
commit 095bf1c91b
1 changed files with 7 additions and 2 deletions
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9
src/aig/gia/giaAbsVta.c
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@ -1368,7 +1368,10 @@ int Gia_VtaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
// check this timeframe
i = 0;
if ( f < p->pPars->nFramesStart )
{
Vga_ManAddClausesOne( p, 0, f );
Vga_ManLoadSlice( p, (Vec_Int_t *)Vec_PtrEntry(p->vFrames, f), 0 );
}
else
{
// create bookmark to be used for rollback
@ -1421,12 +1424,14 @@ int Gia_VtaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
printf( "%5d", nConfls );
assert( (vCore != NULL) == (Status == 1) );
if ( Status == -1 ) // resource limit is reached
goto finish;
break;
if ( Status == 0 )
{
Vta_ManSatVerify( p );
// make sure, there was no initial abstraction (otherwise, it was invalid)
assert( pAig->vObjClasses == NULL && f < p->pPars->nFramesStart );
pCex = Vga_ManDeriveCex( p );
break;
}
// add the core
Vta_ManUnsatCoreRemap( p, vCore );
@ -1455,7 +1460,7 @@ finish:
ABC_FREE( p->pGia->pCexSeq );
p->pGia->pCexSeq = pCex;
if ( !Gia_ManVerifyCex( p->pGia, pCex, 0 ) )
printf( "Gia_VtaPerform(): CEX verification has failed!\n" );
printf( " Gia_VtaPerform(): CEX verification has failed!\n" );
printf( "Counter-example detected in frame %d. ", f );
}
Abc_PrintTime( 1, "Time", clock() - clk );