diff options
Diffstat (limited to 'src/proof/ssc/sscCore.c')
-rw-r--r-- | src/proof/ssc/sscCore.c | 85 |
1 files changed, 69 insertions, 16 deletions
diff --git a/src/proof/ssc/sscCore.c b/src/proof/ssc/sscCore.c index 1aada663..00491e31 100644 --- a/src/proof/ssc/sscCore.c +++ b/src/proof/ssc/sscCore.c @@ -52,7 +52,6 @@ void Ssc_ManSetDefaultParams( Ssc_Pars_t * p ) p->fVerbose = 0; // verbose stats } - /**Function************************************************************* Synopsis [] @@ -104,7 +103,7 @@ Ssc_Man_t * Ssc_ManStart( Gia_Man_t * pAig, Gia_Man_t * pCare, Ssc_Pars_t * pPar return NULL; } sat_solver_bookmark( p->pSat ); - Vec_IntPrint( p->vPivot ); +// Vec_IntPrint( p->vPivot ); Gia_ManSetPhasePattern( p->pAig, p->vPivot ); Gia_ManSetPhasePattern( p->pCare, p->vPivot ); if ( Gia_ManCheckCoPhase(p->pCare) ) @@ -121,6 +120,26 @@ Ssc_Man_t * Ssc_ManStart( Gia_Man_t * pAig, Gia_Man_t * pCare, Ssc_Pars_t * pPar Ssc_GiaClassesInit( pAig ); return p; } +void Ssc_ManPrintStats( Ssc_Man_t * p ) +{ + Abc_Print( 1, "Parameters: SimWords = %d. SatConfs = %d. SatVarMax = %d. CallsRec = %d. Verbose = %d.\n", + p->pPars->nWords, p->pPars->nBTLimit, p->pPars->nSatVarMax, p->pPars->nCallsRecycle, p->pPars->fVerbose ); + Abc_Print( 1, "SAT calls : Total = %d. Proof = %d. Cex = %d. Undec = %d.\n", + p->nSatCalls, p->nSatCallsUnsat, p->nSatCallsSat, p->nSatCallsUndec ); + Abc_Print( 1, "SAT solver: Vars = %d. Clauses = %d. Recycles = %d. Sim rounds = %d.\n", + sat_solver_nvars(p->pSat), sat_solver_nclauses(p->pSat), p->nRecycles, p->nSimRounds ); + + p->timeOther = p->timeTotal - p->timeSimInit - p->timeSimSat - p->timeCnfGen - p->timeSatSat - p->timeSatUnsat - p->timeSatUndec; + ABC_PRTP( "Initialization ", p->timeSimInit, p->timeTotal ); + ABC_PRTP( "SAT simulation ", p->timeSimSat, p->timeTotal ); + ABC_PRTP( "CNF generation ", p->timeSimSat, p->timeTotal ); + ABC_PRTP( "SAT solving ", p->timeSat-p->timeCnfGen, p->timeTotal ); + ABC_PRTP( " unsat ", p->timeSatUnsat, p->timeTotal ); + ABC_PRTP( " sat ", p->timeSatSat, p->timeTotal ); + ABC_PRTP( " undecided ", p->timeSatUndec, p->timeTotal ); + ABC_PRTP( "Other ", p->timeOther, p->timeTotal ); + ABC_PRTP( "TOTAL ", p->timeTotal, p->timeTotal ); +} /**Function************************************************************* @@ -140,6 +159,7 @@ Gia_Man_t * Ssc_PerformSweeping( Gia_Man_t * pAig, Gia_Man_t * pCare, Ssc_Pars_t Gia_Obj_t * pObj, * pRepr; clock_t clk, clkTotal = clock(); int i, fCompl, status; +clk = clock(); assert( Gia_ManRegNum(pCare) == 0 ); assert( Gia_ManCiNum(pAig) == Gia_ManCiNum(pCare) ); assert( Gia_ManIsNormalized(pAig) ); @@ -151,14 +171,14 @@ Gia_Man_t * Ssc_PerformSweeping( Gia_Man_t * pAig, Gia_Man_t * pCare, Ssc_Pars_t if ( p == NULL ) return Gia_ManDup( pAig ); // perform simulation -clk = clock(); if ( Gia_ManAndNum(pCare) == 0 ) // no constraints { for ( i = 0; i < 16; i++ ) { Ssc_GiaRandomPiPattern( pAig, 10, NULL ); Ssc_GiaSimRound( pAig ); - Ssc_GiaClassesRefine( pAig ); + if ( pPars->fVerbose ) + Ssc_GiaClassesRefine( pAig ); Gia_ManEquivPrintClasses( pAig, 0, 0 ); } } @@ -176,63 +196,86 @@ p->timeSimInit += clock() - clk; { if ( pAig->iPatsPi == 64 * pPars->nWords ) { +clk = clock(); Ssc_GiaSimRound( pAig ); Ssc_GiaClassesRefine( pAig ); - Gia_ManEquivPrintClasses( pAig, 0, 0 ); + if ( pPars->fVerbose ) + Gia_ManEquivPrintClasses( pAig, 0, 0 ); Ssc_GiaClassesCheckPairs( pAig, p->vDisPairs ); + Vec_IntClear( p->vDisPairs ); + // prepare next patterns Ssc_GiaResetPiPattern( pAig, pPars->nWords ); Ssc_GiaSavePiPattern( pAig, p->vPivot ); - Vec_IntClear( p->vDisPairs ); +p->timeSimSat += clock() - clk; } if ( Gia_ObjIsAnd(pObj) ) pObj->Value = Gia_ManHashAnd( p->pFraig, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) ); if ( !Gia_ObjHasRepr(pAig, i) ) continue; pRepr = Gia_ObjReprObj(pAig, i); - if ( pRepr->Value == pObj->Value ) + if ( (int)pObj->Value == Abc_LitNotCond( pRepr->Value, pRepr->fPhase ^ pObj->fPhase ) ) continue; assert( Abc_Lit2Var(pRepr->Value) != Abc_Lit2Var(pObj->Value) ); fCompl = pRepr->fPhase ^ pObj->fPhase ^ Abc_LitIsCompl(pRepr->Value) ^ Abc_LitIsCompl(pObj->Value); // perform SAT call - clk = clock(); +clk = clock(); p->nSatCalls++; status = Ssc_ManCheckEquivalence( p, Abc_Lit2Var(pRepr->Value), Abc_Lit2Var(pObj->Value), fCompl ); if ( status == l_False ) { p->nSatCallsUnsat++; - p->timeSatUnsat += clock() - clk; pObj->Value = Abc_LitNotCond( pRepr->Value, pRepr->fPhase ^ pObj->fPhase ); } else if ( status == l_True ) { p->nSatCallsSat++; - p->timeSatSat += clock() - clk; Ssc_GiaSavePiPattern( pAig, p->vPattern ); Vec_IntPush( p->vDisPairs, Gia_ObjRepr(p->pAig, i) ); Vec_IntPush( p->vDisPairs, i ); +// printf( "Try %2d and %2d: ", Gia_ObjRepr(p->pAig, i), i ); +// Vec_IntPrint( p->vPattern ); } else if ( status == l_Undef ) - { p->nSatCallsUndec++; - p->timeSatUndec += clock() - clk; - } else assert( 0 ); +p->timeSat += clock() - clk; + } + if ( pAig->iPatsPi > 1 ) + { +clk = clock(); + while ( pAig->iPatsPi < 64 * pPars->nWords ) + Ssc_GiaSavePiPattern( pAig, p->vPivot ); + Ssc_GiaSimRound( pAig ); + Ssc_GiaClassesRefine( pAig ); + if ( pPars->fVerbose ) + Gia_ManEquivPrintClasses( pAig, 0, 0 ); + Ssc_GiaClassesCheckPairs( pAig, p->vDisPairs ); + Vec_IntClear( p->vDisPairs ); +p->timeSimSat += clock() - clk; } +// Gia_ManEquivPrintClasses( pAig, 1, 0 ); - // remember the resulting AIG + // generate the resulting AIG pResult = Gia_ManEquivReduce( pAig, 1, 0, 0 ); if ( pResult == NULL ) { printf( "There is no equivalences.\n" ); + ABC_FREE( pAig->pReprs ); + ABC_FREE( pAig->pNexts ); pResult = Gia_ManDup( pAig ); } + p->timeTotal = clock() - clkTotal; + if ( pPars->fVerbose ) + Ssc_ManPrintStats( p ); Ssc_ManStop( p ); // count the number of representatives if ( pPars->fVerbose ) { - Gia_ManEquivPrintClasses( pAig, 0, 0 ); - Abc_Print( 1, "Reduction in AIG nodes:%8d ->%8d. ", Gia_ManAndNum(pAig), Gia_ManAndNum(pResult) ); +// Gia_ManEquivPrintClasses( pAig, 0, 0 ); + Abc_Print( 1, "Reduction in AIG nodes:%8d ->%8d (%6.2f %%). ", + Gia_ManAndNum(pAig), Gia_ManAndNum(pResult), + 100.0 - 100.0 * Gia_ManAndNum(pResult) / Gia_ManAndNum(pAig) ); Abc_PrintTime( 1, "Time", clock() - clkTotal ); } return pResult; @@ -241,6 +284,8 @@ Gia_Man_t * Ssc_PerformSweepingConstr( Gia_Man_t * p, Ssc_Pars_t * pPars ) { Gia_Man_t * pAig, * pCare, * pResult; int i; + if ( pPars->fVerbose ) + Abc_Print( 0, "SAT sweeping AIG with %d constraints.\n", p->nConstrs ); if ( p->nConstrs == 0 ) { pAig = Gia_ManDup( p ); @@ -257,6 +302,14 @@ Gia_Man_t * Ssc_PerformSweepingConstr( Gia_Man_t * p, Ssc_Pars_t * pPars ) pCare = Gia_ManDupCones( p, Vec_IntArray(vOuts) + Gia_ManPoNum(p) - p->nConstrs, p->nConstrs, 0 ); Vec_IntFree( vOuts ); } + if ( pPars->fVerbose ) + { + printf( "User AIG: " ); + Gia_ManPrintStats( pAig, 0, 0, 0 ); + printf( "Care AIG: " ); + Gia_ManPrintStats( pCare, 0, 0, 0 ); + } + pAig = Gia_ManDupLevelized( pResult = pAig ); Gia_ManStop( pResult ); pResult = Ssc_PerformSweeping( pAig, pCare, pPars ); |