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Variable timeframe abstraction.

This commit is contained in:
Alan Mishchenko 2012-01-28 13:48:48 -08:00
parent 7a87f20c18
commit a2df331852
2 changed files with 19 additions and 16 deletions
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5
src/aig/gia/giaAbsVta.c
View File

@ -1366,7 +1366,7 @@ int Gia_VtaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
if ( f == p->nWords * 32 )
p->nWords = Vec_IntDoubleWidth( p->vSeens, p->nWords );
// check this timeframe
i = 0;
i = 0;
if ( f < p->pPars->nFramesStart )
Vga_ManLoadSlice( p, (Vec_Int_t *)Vec_PtrEntry(p->vFrames, f), 0 );
else
@ -1380,7 +1380,7 @@ int Gia_VtaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
Vga_ManLoadSlice( p, (Vec_Int_t *)Vec_PtrEntry(p->vCores, f-i), i );
// iterate as long as there are counter-examples
for ( i = 0; ; i++ )
{
{
clk2 = clock();
vCore = Vta_ManUnsatCore( Vga_ManGetOutLit(p, f), p->vCla2Var, p->pSat, pPars->nConfLimit, pPars->fVerbose, &Status, &nConfls );
assert( (vCore != NULL) == (Status == 1) );
@ -1410,7 +1410,6 @@ int Gia_VtaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars )
Vga_ManRollBack( p, nObjOld );
Vec_IntShrink( p->vCla2Var, (int)p->pSat->stats.clauses+1 );
// load this timeframe
nObjOld = p->nObjs;
Vga_ManLoadSlice( p, vCore, 0 );
Vec_IntFree( vCore );
}

30
src/sat/bsat/satSolver2.c
View File

@ -1492,8 +1492,8 @@ void sat_solver2_rollback( sat_solver2* s )
assert( s->iVarPivot >= 0 && s->iVarPivot <= s->size );
veci_resize(&s->order, 0);
if ( s->hClausePivot > 1 || s->hLearntPivot > 1 )
{
// update order
{
// update order
for ( i = 0; i < s->iVarPivot; i++ )
{
if ( var_value(s, i) != varX )
@ -1511,16 +1511,6 @@ void sat_solver2_rollback( sat_solver2* s )
pArray[j++] = pArray[k];
veci_resize(&s->wlists[i],j);
}
// compact units
if ( s->fProofLogging ) {
for ( i = 0; i < s->size; i++ )
if ( s->units[i] && !clause_is_used(s, s->units[i]) )
{
var_set_value(s, i, varX);
s->reasons[i] = 0;
s->units[i] = 0;
}
}
}
// reset implication queue
assert( (&s->trail_lim)->ptr[0] >= s->iSimpPivot );
@ -1535,7 +1525,7 @@ void sat_solver2_rollback( sat_solver2* s )
}
// resetn learned clauses
if ( s->hLearntPivot < veci_size(&s->learnts) )
{
{
satset* first = satset_read(&s->learnts, s->hLearntPivot);
veci_resize(&s->claActs, first->Id);
if ( s->fProofLogging ) {
@ -1548,6 +1538,20 @@ void sat_solver2_rollback( sat_solver2* s )
// reset watcher lists
for ( i = 2*s->iVarPivot; i < 2*s->size; i++ )
s->wlists[i].size = 0;
for ( i = s->iVarPivot; i < s->size; i++ )
{
*((int*)s->vi + i) = 0;
s->levels [i] = 0;
s->assigns [i] = varX;
s->reasons [i] = 0;
s->units [i] = 0;
#ifdef USE_FLOAT_ACTIVITY2
s->activity[i] = 0;
#else
s->activity[i] = (1<<10);
#endif
s->model [i] = 0;
}
s->size = s->iVarPivot;
// initialize other vars
if ( s->size == 0 )