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-rw-r--r--src/aig/gia/giaAbsGla.c107
1 files changed, 83 insertions, 24 deletions
diff --git a/src/aig/gia/giaAbsGla.c b/src/aig/gia/giaAbsGla.c
index 7654e44f..b8c13e38 100644
--- a/src/aig/gia/giaAbsGla.c
+++ b/src/aig/gia/giaAbsGla.c
@@ -74,6 +74,9 @@ struct Gla_Man_t_
unsigned * pObj2Obj; // mapping of GIA obj into GLA obj
int nObjs; // the number of objects
int nAbsOld; // previous abstraction
+ int nAbsNew; // previous abstraction
+ int nLrnOld; // the number of bytes
+ int nLrnNew; // the number of bytes
// other data
int nCexes; // the number of counter-examples
int nObjAdded; // total number of objects added
@@ -84,6 +87,8 @@ struct Gla_Man_t_
Vec_Int_t * vAddedNew; // temporary array
Vec_Int_t * vObjCounts; // object counters
Vec_Int_t * vCoreCounts; // counts how many times each object appears in the core
+ Vec_Int_t * vProofIds; // counts how many times each object appears in the core
+ int nProofIds; // proof ID counter
// refinement
Vec_Int_t * pvRefis; // vectors of each object
// refinement manager
@@ -1056,6 +1061,7 @@ Gla_Man_t * Gla_ManStart( Gia_Man_t * pGia0, Gia_ParVta_t * pPars )
assert( pGia0->vGateClasses != 0 );
p->pGia->vGateClasses = Vec_IntStart( Gia_ManObjNum(p->pGia) );
p->vCoreCounts = Vec_IntStart( Gia_ManObjNum(p->pGia) );
+ p->vProofIds = Vec_IntAlloc(0);
// update p->pCnf->vMapping, p->pCnf->pObj2Count, p->pCnf->pObj2Clause
// (here are not updating p->pCnf->pVarNums because it is not needed)
vMappingNew = Vec_IntStart( Gia_ManObjNum(p->pGia) );
@@ -1318,6 +1324,7 @@ void Gla_ManStop( Gla_Man_t * p )
Vec_IntFreeP( &p->vObjCounts );
Vec_IntFreeP( &p->vAddedNew );
Vec_IntFreeP( &p->vCoreCounts );
+ Vec_IntFreeP( &p->vProofIds );
Vec_IntFreeP( &p->vTemp );
Vec_IntFreeP( &p->vAbs );
ABC_FREE( p->pvRefis );
@@ -1567,15 +1574,29 @@ void Gia_GlaAddToCounters( Gla_Man_t * p, Vec_Int_t * vCore )
void Gia_GlaAddToAbs( Gla_Man_t * p, Vec_Int_t * vAbsAdd, int fCheck )
{
Gla_Obj_t * pGla;
- int i;
+ int i, Counter = 0;
Gla_ManForEachObjAbsVec( vAbsAdd, p, pGla, i )
{
- assert( !fCheck || pGla->fAbs == 0 );
+ if ( fCheck )
+ {
+ assert( pGla->fAbs == 0 );
+ if ( p->pSat->pPrf2 )
+ Vec_IntWriteEntry( p->vProofIds, Gla_ObjId(p, pGla), p->nProofIds++ );
+ }
if ( pGla->fAbs )
continue;
+
+ if ( !fCheck )
+ {
+ Counter++;
+// printf( "%d ", Gla_ObjId(p, pGla) );
+ }
+
pGla->fAbs = 1;
Vec_IntPush( p->vAbs, Gla_ObjId(p, pGla) );
}
+// if ( Counter )
+// printf( " Total = %d\n", Counter );
}
void Gia_GlaAddTimeFrame( Gla_Man_t * p, int f )
{
@@ -1635,7 +1656,7 @@ int Gla_ManGetOutLit( Gla_Man_t * p, int f )
}
Vec_Int_t * Gla_ManUnsatCore( Gla_Man_t * p, int f, sat_solver2 * pSat, int nConfMax, int fVerbose, int * piRetValue, int * pnConfls )
{
- Vec_Int_t * vCore;
+ Vec_Int_t * vCore = NULL;
int nConfPrev = pSat->stats.conflicts;
int RetValue, iLit = Gla_ManGetOutLit( p, f );
clock_t clk = clock();
@@ -1675,6 +1696,8 @@ Vec_Int_t * Gla_ManUnsatCore( Gla_Man_t * p, int f, sat_solver2 * pSat, int nCon
// derive the UNSAT core
clk = clock();
vCore = (Vec_Int_t *)Sat_ProofCore( pSat );
+ if ( vCore )
+ Vec_IntSort( vCore, 1 );
if ( fVerbose )
{
// Abc_Print( 1, "Core is %8d vars (out of %8d). ", Vec_IntSize(vCore), sat_solver2_nvars(pSat) );
@@ -1717,6 +1740,9 @@ void Gla_ManAbsPrintFrame( Gla_Man_t * p, int nCoreSize, int nFrames, int nConfl
// Abc_Print( 1, " %6d", nCoreSize > 0 ? nCoreSize : 0 );
Abc_Print( 1, "%9.2f sec", 1.0*Time/CLOCKS_PER_SEC );
Abc_Print( 1, "%5.1f GB", (sat_solver2_memory_proof(p->pSat) + sat_solver2_memory(p->pSat, 0)) / (1<<30) );
+// Abc_PrintInt( p->nAbsNew );
+// Abc_PrintInt( p->nLrnNew );
+// Abc_Print( 1, "%4.1f MB", 4.0 * p->nLrnNew * Abc_BitWordNum(p->nAbsNew) / (1<<20) );
Abc_Print( 1, "%s", nCoreSize > 0 ? "\n" : "\r" );
fflush( stdout );
}
@@ -1740,13 +1766,13 @@ void Gla_ManReportMemory( Gla_Man_t * p )
memOth += Vec_IntCap(p->vTemp) * sizeof(int);
memOth += Vec_IntCap(p->vAbs) * sizeof(int);
memTot = memAig + memSat + memPro + memMap + memRef + memOth;
- ABC_PRMP( "Memory: AIG ", memAig, memTot );
- ABC_PRMP( "Memory: SAT ", memSat, memTot );
- ABC_PRMP( "Memory: Proof ", memPro, memTot );
- ABC_PRMP( "Memory: Map ", memMap, memTot );
- ABC_PRMP( "Memory: Refine", memRef, memTot );
- ABC_PRMP( "Memory: Other ", memOth, memTot );
- ABC_PRMP( "Memory: TOTAL ", memTot, memTot );
+ ABC_PRMP( "Memory: AIG ", memAig, memTot );
+ ABC_PRMP( "Memory: SAT ", memSat, memTot );
+ ABC_PRMP( "Memory: Proof ", memPro, memTot );
+ ABC_PRMP( "Memory: Map ", memMap, memTot );
+ ABC_PRMP( "Memory: Refine ", memRef, memTot );
+ ABC_PRMP( "Memory: Other ", memOth, memTot );
+ ABC_PRMP( "Memory: TOTAL ", memTot, memTot );
}
@@ -1830,7 +1856,7 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
{
extern int Gia_VtaPerformInt( Gia_Man_t * pAig, Gia_ParVta_t * pPars );
Gla_Man_t * p;
- Vec_Int_t * vCore, * vPPis;
+ Vec_Int_t * vPPis, * vCore;//, * vCore2 = NULL;
Abc_Cex_t * pCex = NULL;
int f, i, iPrev, nConfls, Status, nVarsOld, nCoreSize, fOneIsSent = 0, RetValue = -1;
clock_t clk2, clk = clock();
@@ -1913,24 +1939,31 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
Vec_IntClear( p->vAddedNew );
p->nAbsOld = Vec_IntSize( p->vAbs );
nVarsOld = p->nSatVars;
+ p->nLrnOld = sat_solver2_nlearnts( p->pSat );
// iterate as long as there are counter-examples
+ p->nAbsNew = 0;
+ p->nLrnNew = 0;
for ( i = 0; ; i++ )
{
clk2 = clock();
vCore = Gla_ManUnsatCore( p, f, p->pSat, pPars->nConfLimit, pPars->fVerbose, &Status, &nConfls );
- assert( (vCore != NULL) == (Status == 1) );
+// assert( (vCore != NULL) == (Status == 1) );
if ( Status == -1 || (p->pSat->nRuntimeLimit && clock() > p->pSat->nRuntimeLimit) ) // resource limit is reached
{
+ if ( p->pSat->pPrf2 )
+ Prf_ManStopP( &p->pSat->pPrf2 );
if ( Gia_ManRegNum(p->pGia) > 1 ) // for comb cases, return the abstration
Gla_ManRollBack( p );
goto finish;
}
- if ( vCore != NULL )
+ if ( Status == 1 )
{
+ if ( p->pSat->pPrf2 )
+ Prf_ManStopP( &p->pSat->pPrf2 );
p->timeUnsat += clock() - clk2;
break;
- }
+ }
p->timeSat += clock() - clk2;
assert( Status == 0 );
p->nCexes++;
@@ -1954,17 +1987,37 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
vPPis = Gla_ManRefinement( p );
if ( vPPis == NULL )
{
+ if ( p->pSat->pPrf2 )
+ Prf_ManStopP( &p->pSat->pPrf2 );
pCex = p->pGia->pCexSeq; p->pGia->pCexSeq = NULL;
break;
}
}
+ assert( pCex == NULL );
+
+ // start proof logging
+ if ( i == 0 )
+ {
+ assert( p->pSat->pPrf2 == NULL );
+ p->pSat->pPrf2 = Prf_ManAlloc();
+ if ( p->pSat->pPrf2 )
+ {
+ p->nProofIds = 0;
+ Vec_IntFill( p->vProofIds, Gia_ManObjNum(p->pGia), -1 );
+ Prf_ManRestart( p->pSat->pPrf2, p->vProofIds, sat_solver2_nlearnts(p->pSat), Vec_IntSize(vPPis) );
+ }
+ }
+ else
+ {
+ // resize the proof logger
+ if ( p->pSat->pPrf2 )
+ Prf_ManGrow( p->pSat->pPrf2, Vec_IntSize(p->vAbs) - p->nAbsOld + Vec_IntSize(vPPis) );
+ }
+
Gia_GlaAddToAbs( p, vPPis, 1 );
Gia_GlaAddOneSlice( p, f, vPPis );
Vec_IntFree( vPPis );
- p->timeCex += clock() - clk2;
- if ( pCex != NULL )
- goto finish;
// print the result (do not count it towards change)
if ( p->pPars->fVerbose )
Gla_ManAbsPrintFrame( p, -1, f+1, sat_solver2_nconflicts(p->pSat)-nConflsBeg, i, clock() - clk );
@@ -1972,24 +2025,30 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
if ( pCex != NULL )
break;
assert( Status == 1 );
+
// valid core is obtained
- nCoreSize = Vec_IntSize( vCore );
- Gia_GlaAddToCounters( p, vCore );
+ nCoreSize = 1;
+ if ( vCore )
+ {
+ nCoreSize += Vec_IntSize( vCore );
+ Gia_GlaAddToCounters( p, vCore );
+ }
if ( i == 0 )
{
p->pPars->nFramesNoChange++;
- Vec_IntFree( vCore );
+ Vec_IntFreeP( &vCore );
}
else
{
p->pPars->nFramesNoChange = 0;
+ p->nAbsNew = Vec_IntSize( p->vAbs ) - p->nAbsOld;
+ p->nLrnNew = Abc_AbsInt( sat_solver2_nlearnts( p->pSat ) - p->nLrnOld );
// update the SAT solver
sat_solver2_rollback( p->pSat );
// update storage
Gla_ManRollBack( p );
p->nSatVars = nVarsOld;
// load this timeframe
- Vec_IntSort( vCore, 1 );
Gia_GlaAddToAbs( p, vCore, 0 );
Gia_GlaAddOneSlice( p, f, vCore );
Vec_IntFree( vCore );
@@ -1997,7 +2056,7 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
clk2 = clock();
vCore = Gla_ManUnsatCore( p, f, p->pSat, pPars->nConfLimit, p->pPars->fVerbose, &Status, &nConfls );
p->timeUnsat += clock() - clk2;
- assert( (vCore != NULL) == (Status == 1) );
+// assert( (vCore != NULL) == (Status == 1) );
Vec_IntFreeP( &vCore );
if ( Status == -1 ) // resource limit is reached
break;
@@ -2046,10 +2105,10 @@ int Gia_GlaPerform( Gia_Man_t * pAig, Gia_ParVta_t * pPars, int fStartVta )
}
finish:
// analize the results
- if ( p->pPars->fVerbose )
- printf( "\n" );
if ( pCex == NULL )
{
+ if ( p->pPars->fVerbose && Status == -1 )
+ printf( "\n" );
if ( pAig->vGateClasses != NULL )
Abc_Print( 1, "Replacing the old abstraction by a new one.\n" );
Vec_IntFreeP( &pAig->vGateClasses );