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-rw-r--r--src/base/wlc/wlc.h1
-rw-r--r--src/base/wlc/wlcAbs.c20
-rw-r--r--src/base/wlc/wlcCom.c8
-rw-r--r--src/base/wlc/wlcNtk.c1
4 files changed, 24 insertions, 6 deletions
diff --git a/src/base/wlc/wlc.h b/src/base/wlc/wlc.h
index c259d3e5..e1ec0d06 100644
--- a/src/base/wlc/wlc.h
+++ b/src/base/wlc/wlc.h
@@ -179,6 +179,7 @@ struct Wlc_Par_t_
int fHybrid; // Use a hybrid of CBR and PBR
int fCheckCombUnsat; // Check if ABS becomes comb. unsat
int fAbs2; // Use UFAR style createAbs
+ int fProofUsePPI; // Use PPI values in PBR
int fVerbose; // verbose output
int fPdrVerbose; // verbose output
};
diff --git a/src/base/wlc/wlcAbs.c b/src/base/wlc/wlcAbs.c
index d13da54c..ca1d14a9 100644
--- a/src/base/wlc/wlcAbs.c
+++ b/src/base/wlc/wlcAbs.c
@@ -148,7 +148,7 @@ static Vec_Int_t * Wlc_NtkGetCoreSels( Gia_Man_t * pFrames, int nFrames, int num
return vCores;
}
-static Gia_Man_t * Wlc_NtkUnrollWithCex(Wlc_Ntk_t * pChoice, Abc_Cex_t * pCex, int nbits_old_pis, int num_sel_pis, int * p_num_ppis, int sel_pi_first)
+static Gia_Man_t * Wlc_NtkUnrollWithCex(Wlc_Ntk_t * pChoice, Abc_Cex_t * pCex, int nbits_old_pis, int num_sel_pis, int * p_num_ppis, int sel_pi_first, int fUsePPI)
{
Gia_Man_t * pGiaChoice = Wlc_NtkBitBlast( pChoice, NULL, -1, 0, 0, 0, 0 );
int nbits_new_pis = Wlc_NtkNumPiBits( pChoice );
@@ -179,8 +179,15 @@ static Gia_Man_t * Wlc_NtkUnrollWithCex(Wlc_Ntk_t * pChoice, Abc_Cex_t * pCex, i
if ( i >= nbits_old_pis && i < nbits_old_pis + num_ppis + num_sel_pis )
{
is_sel_pi = sel_pi_first ? (i < nbits_old_pis + num_sel_pis) : (i >= nbits_old_pis + num_ppis);
- if(f == 0 || !is_sel_pi)
+ if( f == 0 && is_sel_pi )
Gia_ManPi(pGiaChoice, i)->Value = Gia_ManAppendCi(pFrames);
+ if( !is_sel_pi )
+ {
+ if ( !fUsePPI )
+ Gia_ManPi(pGiaChoice, i)->Value = Gia_ManAppendCi(pFrames);
+ else
+ Gia_ManPi(pGiaChoice, i)->Value = Abc_InfoHasBit(pCex->pData, pCex->nRegs+pCex->nPis*f + i + num_undc_pis);
+ }
}
else if (i < nbits_old_pis)
{
@@ -446,8 +453,13 @@ static int Wlc_NtkProofRefine( Wlc_Ntk_t * p, Wlc_Par_t * pPars, Abc_Cex_t * pCe
}
pNtkWithChoices = vBlacks ? Wlc_NtkIntroduceChoices( p, vBlacks ) : NULL;
- pGiaFrames = Wlc_NtkUnrollWithCex( pNtkWithChoices, pCex, Wlc_NtkNumPiBits( p ), Vec_IntSize( vBlacks ), &num_ppis, 0 );
- vCoreSels = Wlc_NtkGetCoreSels( pGiaFrames, pCex->iFrame+1, Vec_IntSize( vBlacks ), num_ppis, vChoiceMark, 0, 0, pPars );
+ pGiaFrames = Wlc_NtkUnrollWithCex( pNtkWithChoices, pCex, Wlc_NtkNumPiBits( p ), Vec_IntSize( vBlacks ), &num_ppis, 0, pPars->fProofUsePPI );
+
+ if ( !pPars->fProofUsePPI )
+ vCoreSels = Wlc_NtkGetCoreSels( pGiaFrames, pCex->iFrame+1, Vec_IntSize( vBlacks ), num_ppis, vChoiceMark, 0, 0, pPars );
+ else
+ vCoreSels = Wlc_NtkGetCoreSels( pGiaFrames, pCex->iFrame+1, Vec_IntSize( vBlacks ), 0, vChoiceMark, 0, 0, pPars );
+
Wlc_NtkFree( pNtkWithChoices );
Gia_ManStop( pGiaFrames );
Vec_BitFree( vUnmark );
diff --git a/src/base/wlc/wlcCom.c b/src/base/wlc/wlcCom.c
index d98474d5..8f474f45 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, "AMXFILabrcdpmuxvwh" ) ) != EOF )
+ while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFILabrcdipmuxvwh" ) ) != EOF )
{
switch ( c )
{
@@ -550,6 +550,9 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
case 'd':
pPars->fAbs2 ^= 1;
break;
+ case 'i':
+ pPars->fProofUsePPI ^= 1;
+ break;
case 'p':
pPars->fPushClauses ^= 1;
break;
@@ -579,7 +582,7 @@ int Abc_CommandPdrAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
Wlc_NtkPdrAbs( pNtk, pPars );
return 0;
usage:
- Abc_Print( -2, "usage: %%pdra [-AMXFIL num] [-abrcdpmxuvwh]\n" );
+ Abc_Print( -2, "usage: %%pdra [-AMXFIL num] [-abrcdipmxuvwh]\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 );
@@ -593,6 +596,7 @@ usage:
Abc_Print( -2, "\t-r : toggle using both cex-based and proof-based refinement [default = %s]\n", pPars->fHybrid? "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-d : toggle using another way of creating abstractions [default = %s]\n", pPars->fAbs2? "yes": "no" );
+ Abc_Print( -2, "\t-i : toggle using PPI values in proof-based refinement [default = %s]\n", pPars->fProofUsePPI? "yes": "no" );
Abc_Print( -2, "\t-u : toggle checking combinationally unsat [default = %s]\n", pPars->fCheckCombUnsat? "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 2df659e0..8c6f8fbe 100644
--- a/src/base/wlc/wlcNtk.c
+++ b/src/base/wlc/wlcNtk.c
@@ -123,6 +123,7 @@ void Wlc_ManSetDefaultParams( Wlc_Par_t * pPars )
pPars->fHybrid = 1; // Use a hybrid of CBR and PBR
pPars->fCheckCombUnsat = 0; // Check if ABS becomes comb. unsat
pPars->fAbs2 = 0; // Use UFAR style createAbs
+ pPars->fProofUsePPI = 0; // Use PPI values in PBR
pPars->fVerbose = 0; // verbose output`
pPars->fPdrVerbose = 0; // show verbose PDR output
}