diff options
| -rw-r--r-- | src/base/wlc/wlc.h | 1 | ||||
| -rw-r--r-- | src/base/wlc/wlcAbs.c | 8 | ||||
| -rw-r--r-- | src/base/wlc/wlcCom.c | 8 | ||||
| -rw-r--r-- | src/base/wlc/wlcNtk.c | 1 | ||||
| -rw-r--r-- | src/proof/pdr/pdrIncr.c | 26 |
5 files changed, 42 insertions, 2 deletions
diff --git a/src/base/wlc/wlc.h b/src/base/wlc/wlc.h index abb75f5e..cb84a70d 100644 --- a/src/base/wlc/wlc.h +++ b/src/base/wlc/wlc.h @@ -173,6 +173,7 @@ struct Wlc_Par_t_ int fCheckClauses; // Check clauses in the reloaded trace int fPushClauses; // Push clauses in the reloaded trace int fMFFC; // Refine the entire MFFC of a PPI + int fPdra; // Use pdr -nct int fVerbose; // verbose output int fPdrVerbose; // verbose output }; diff --git a/src/base/wlc/wlcAbs.c b/src/base/wlc/wlcAbs.c index b22f9128..c1bb7f94 100644 --- a/src/base/wlc/wlcAbs.c +++ b/src/base/wlc/wlcAbs.c @@ -390,6 +390,14 @@ int Wlc_NtkPdrAbs( Wlc_Ntk_t * p, Wlc_Par_t * pPars ) pPdrPars->fVerbose = pPars->fPdrVerbose; pPdrPars->fVeryVerbose = 0; + if ( pPars->fPdra ) + { + pPdrPars->fUseAbs = 1; // use 'pdr -t' (on-the-fly abstraction) + pPdrPars->fCtgs = 1; // use 'pdr -nc' (improved generalization) + pPdrPars->fSkipDown = 0; // use 'pdr -nc' (improved generalization) + pPdrPars->nRestLimit = 500; // reset queue or proof-obligations when it gets larger than this + } + // perform refinement iterations for ( nIters = 1; nIters < pPars->nIterMax; nIters++ ) { diff --git a/src/base/wlc/wlcCom.c b/src/base/wlc/wlcCom.c index 1c86bc23..32b26b68 100644 --- a/src/base/wlc/wlcCom.c +++ b/src/base/wlc/wlcCom.c @@ -462,7 +462,7 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv ) int c; Wlc_ManSetDefaultParams( pPars ); Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFIcpmxvwh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFIacpmxvwh" ) ) != EOF ) { switch ( c ) { @@ -521,6 +521,9 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv ) if ( pPars->nIterMax < 0 ) goto usage; break; + case 'a': + pPars->fPdra ^= 1; + break; case 'x': pPars->fXorOutput ^= 1; break; @@ -553,7 +556,7 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv ) Wlc_NtkPdrAbs( pNtk, pPars ); return 0; usage: - Abc_Print( -2, "usage: %%pdra [-AMXFI num] [-cpmxvwh]\n" ); + Abc_Print( -2, "usage: %%pdra [-AMXFI num] [-acpmxvwh]\n" ); Abc_Print( -2, "\t abstraction for word-level networks\n" ); Abc_Print( -2, "\t-A num : minimum bit-width of an adder/subtractor to abstract [default = %d]\n", pPars->nBitsAdd ); Abc_Print( -2, "\t-M num : minimum bit-width of a multiplier to abstract [default = %d]\n", pPars->nBitsMul ); @@ -561,6 +564,7 @@ usage: Abc_Print( -2, "\t-F num : minimum bit-width of a flip-flop to abstract [default = %d]\n", pPars->nBitsFlop ); Abc_Print( -2, "\t-I num : maximum number of CEGAR iterations [default = %d]\n", pPars->nIterMax ); Abc_Print( -2, "\t-x : toggle XORing outputs of word-level miter [default = %s]\n", pPars->fXorOutput? "yes": "no" ); + Abc_Print( -2, "\t-a : toggle running pdr with -nct [default = %s]\n", pPars->fPdra? "yes": "no" ); Abc_Print( -2, "\t-c : toggle checking clauses in the reloaded trace [default = %s]\n", pPars->fCheckClauses? "yes": "no" ); Abc_Print( -2, "\t-p : toggle pushing clauses in the reloaded trace [default = %s]\n", pPars->fPushClauses? "yes": "no" ); Abc_Print( -2, "\t-m : toggle refining the whole MFFC of a PPI [default = %s]\n", pPars->fMFFC? "yes": "no" ); diff --git a/src/base/wlc/wlcNtk.c b/src/base/wlc/wlcNtk.c index e27ba77b..4d7604b2 100644 --- a/src/base/wlc/wlcNtk.c +++ b/src/base/wlc/wlcNtk.c @@ -117,6 +117,7 @@ void Wlc_ManSetDefaultParams( Wlc_Par_t * pPars ) pPars->fCheckClauses = 1; // Check clauses in the reloaded trace pPars->fPushClauses = 0; // Push clauses in the reloaded trace pPars->fMFFC = 1; // Refine the entire MFFC of a PPI + pPars->fPdra = 0; // Use pdr -nct pPars->fVerbose = 0; // verbose output` pPars->fPdrVerbose = 0; // show verbose PDR output } diff --git a/src/proof/pdr/pdrIncr.c b/src/proof/pdr/pdrIncr.c index 3fcd3d31..7bca217f 100644 --- a/src/proof/pdr/pdrIncr.c +++ b/src/proof/pdr/pdrIncr.c @@ -190,6 +190,21 @@ sat_solver * IPdr_ManSetSolver( Pdr_Man_t * p, int k, int nTotal ) SeeAlso [] ***********************************************************************/ + +int IPdr_ManRestoreAbsFlops( Pdr_Man_t * p ) +{ + Pdr_Set_t * pSet; int i, j, k; + + Vec_VecForEachEntry( Pdr_Set_t *, p->vClauses, pSet, i, j ) + { + for ( k = 0; k < pSet->nLits; k++ ) + { + Vec_IntWriteEntry( p->vAbsFlops, Abc_Lit2Var(pSet->Lits[k]), 1 ); + } + } + return 0; +} + int IPdr_ManRestore( Pdr_Man_t * p, Vec_Vec_t * vClauses, Vec_Int_t * vMap ) { int i; @@ -288,6 +303,17 @@ int IPdr_ManSolveInt( Pdr_Man_t * p, int fCheckClauses, int fPushClauses ) return 1; } } + + if ( p->pPars->fUseAbs && p->vAbsFlops == NULL && iFrame >= 1 ) + { + assert( p->vAbsFlops == NULL ); + p->vAbsFlops = Vec_IntStart( Saig_ManRegNum(p->pAig) ); + p->vMapFf2Ppi = Vec_IntStartFull( Saig_ManRegNum(p->pAig) ); + p->vMapPpi2Ff = Vec_IntAlloc( 100 ); + + IPdr_ManRestoreAbsFlops( p ); + } + } while ( 1 ) { |