Unifying parameters for the &ps command.

21 files changed, 68 insertions, 55 deletions

diff --git a/src/aig/gia/gia.h b/src/aig/gia/gia.h
index 2d3cf518..51c9c020 100644
--- a/src/aig/gia/gia.h
+++ b/src/aig/gia/gia.h
@@ -181,6 +181,15 @@ struct Gia_Man_t_
 
 
 
+typedef struct Gps_Par_t_ Gps_Par_t;
+struct Gps_Par_t_
+{
+    int            fTents;
+    int            fSwitch;
+    int            fCut;
+    int            fNpn;
+};
+
 typedef struct Emb_Par_t_ Emb_Par_t;
 struct Emb_Par_t_
 {
@@ -1019,7 +1028,7 @@ extern Gia_Man_t *         Gia_ManStart( int nObjsMax );
 extern void                Gia_ManStop( Gia_Man_t * p );  
 extern void                Gia_ManStopP( Gia_Man_t ** p );  
 extern float               Gia_ManMemory( Gia_Man_t * p );
-extern void                Gia_ManPrintStats( Gia_Man_t * p, int fTents, int fSwitch, int fCut ); 
+extern void                Gia_ManPrintStats( Gia_Man_t * p, Gps_Par_t * pPars ); 
 extern void                Gia_ManPrintStatsShort( Gia_Man_t * p ); 
 extern void                Gia_ManPrintMiterStatus( Gia_Man_t * p ); 
 extern void                Gia_ManSetRegNum( Gia_Man_t * p, int nRegs );
diff --git a/src/aig/gia/giaCof.c b/src/aig/gia/giaCof.c
index ceaa8daa..43cce6ac 100644
--- a/src/aig/gia/giaCof.c
+++ b/src/aig/gia/giaCof.c
@@ -863,7 +863,7 @@ Gia_Man_t * Gia_ManDupCofAllInt( Gia_Man_t * p, Vec_Int_t * vSigs, int fVerbose
     if ( fVerbose )
     { 
         printf( "Cofactoring %d signals.\n", Vec_IntSize(vSigs) );
-        Gia_ManPrintStats( p, 0, 0, 0 );
+        Gia_ManPrintStats( p, NULL );
     }
     if ( Vec_IntSize( vSigs ) > 200 )
     {
@@ -889,7 +889,7 @@ Gia_Man_t * Gia_ManDupCofAllInt( Gia_Man_t * p, Vec_Int_t * vSigs, int fVerbose
         if ( fVerbose )
             printf( "Cofactored variable %d.\n", iVar );
         if ( fVerbose )
-            Gia_ManPrintStats( pAig, 0, 0, 0 );
+            Gia_ManPrintStats( pAig, NULL );
     }
     Vec_IntFree( vSigsNew );
     return pAig;
diff --git a/src/aig/gia/giaEquiv.c b/src/aig/gia/giaEquiv.c
index d795856a..13443414 100644
--- a/src/aig/gia/giaEquiv.c
+++ b/src/aig/gia/giaEquiv.c
@@ -1773,7 +1773,7 @@ int Gia_CommandSpecI( Gia_Man_t * pGia, int nFramesInit, int nBTLimitInit, int f
     }
     // (spech)*  where spech = &srm; restore save3; bmc2 -F 100 -C 25000; &resim
     Gia_ManCleanMark0( pGia );
-    Gia_ManPrintStats( pGia, 0, 0, 0 );
+    Gia_ManPrintStats( pGia, NULL );
     for ( nIter = 0; ; nIter++ )
     {
         if ( Gia_ManHasNoEquivs(pGia) )
diff --git a/src/aig/gia/giaFrames.c b/src/aig/gia/giaFrames.c
index ae832af9..ebe2c139 100644
--- a/src/aig/gia/giaFrames.c
+++ b/src/aig/gia/giaFrames.c
@@ -956,7 +956,7 @@ Gia_Man_t * Gia_ManFramesInitSpecial( Gia_Man_t * pAig, int nFrames, int fVerbos
         if ( fVerbose && (f % 100 == 0) )
         {
             printf( "%6d : ", f );
-            Gia_ManPrintStats( pFrames, 0, 0, 0 );
+            Gia_ManPrintStats( pFrames, NULL );
         }
         Gia_ManForEachRo( pAig, pObj, i )
             pObj->Value = f ? Gia_ObjRoToRi( pAig, pObj )->Value : 0;
diff --git a/src/aig/gia/giaIso.c b/src/aig/gia/giaIso.c
index 5c03d1d2..baf7bc93 100644
--- a/src/aig/gia/giaIso.c
+++ b/src/aig/gia/giaIso.c
@@ -1139,7 +1139,7 @@ Gia_Man_t * Gia_ManIsoReduce( Gia_Man_t * pInit, Vec_Ptr_t ** pvPosEquivs, Vec_P
             iPo = Vec_IntEntry(vLevel, 0);
             printf( "%6d %6d %6d : ", i, Vec_IntSize(vLevel), iPo );
             pPart = Gia_ManDupCones( p, &iPo, 1, 1 );
-            Gia_ManPrintStats(pPart, 0, 0, 0);
+            Gia_ManPrintStats(pPart, NULL);
             Gia_ManStop( pPart );
         }
 
diff --git a/src/aig/gia/giaMan.c b/src/aig/gia/giaMan.c
index 58057136..7874d45a 100644
--- a/src/aig/gia/giaMan.c
+++ b/src/aig/gia/giaMan.c
@@ -326,7 +326,7 @@ void Gia_ManPrintChoiceStats( Gia_Man_t * p )
   SeeAlso     []
 
 ***********************************************************************/
-void Gia_ManPrintStats( Gia_Man_t * p, int fTents, int fSwitch, int fCut )
+void Gia_ManPrintStats( Gia_Man_t * p, Gps_Par_t * pPars )
 {
     if ( p->pName )
         printf( "%-8s : ", p->pName );
@@ -337,13 +337,12 @@ void Gia_ManPrintStats( Gia_Man_t * p, int fTents, int fSwitch, int fCut )
         printf( "  ff =%7d", Gia_ManRegNum(p) );
     printf( "  and =%8d", Gia_ManAndNum(p) );
     printf( "  lev =%5d", Gia_ManLevelNum(p) ); Vec_IntFreeP( &p->vLevels );
-    if ( fCut )
+    if ( pPars && pPars->fCut )
         printf( "  cut = %d(%d)", Gia_ManCrossCut(p, 0), Gia_ManCrossCut(p, 1) );
-//    printf( "  mem =%5.2f MB", 1.0*(sizeof(Gia_Obj_t)*p->nObjs + sizeof(int)*(Vec_IntSize(p->vCis) + Vec_IntSize(p->vCos)))/(1<<20) );
-    printf( "  mem =%5.2f MB", 1.0*(sizeof(Gia_Obj_t)*p->nObjsAlloc + sizeof(int)*(Vec_IntCap(p->vCis) + Vec_IntCap(p->vCos)))/(1<<20) );
+    printf( "  mem =%5.2f MB", Gia_ManMemory(p) );
     if ( Gia_ManHasDangling(p) )
         printf( "  ch =%5d", Gia_ManEquivCountClasses(p) );
-    if ( fSwitch )
+    if ( pPars && pPars->fSwitch )
     {
         if ( p->pSwitching )
             printf( "  power =%7.2f", Gia_ManEvaluateSwitching(p) );
@@ -360,6 +359,8 @@ void Gia_ManPrintStats( Gia_Man_t * p, int fTents, int fSwitch, int fCut )
         Gia_ManPrintChoiceStats( p );
     if ( Gia_ManHasMapping(p) )
         Gia_ManPrintMappingStats( p );
+    if ( pPars && pPars->fNpn && Gia_ManHasMapping(p) && Gia_ManLutSizeMax(p) <= 4 )
+        Gia_ManPrintNpnClasses( p );
     if ( p->vPacking )
         Gia_ManPrintPackingStats( p );
     if ( p->pPlacement )
@@ -370,7 +371,7 @@ void Gia_ManPrintStats( Gia_Man_t * p, int fTents, int fSwitch, int fCut )
     Gia_ManPrintFlopClasses( p );
     Gia_ManPrintGateClasses( p );
     Gia_ManPrintObjClasses( p );
-    if ( fTents )
+    if ( pPars && pPars->fTents )
     {
 /*
         int k, Entry, Prev = 1;
diff --git a/src/aig/gia/giaMuxes.c b/src/aig/gia/giaMuxes.c
index 479d75e7..fea76107 100644
--- a/src/aig/gia/giaMuxes.c
+++ b/src/aig/gia/giaMuxes.c
@@ -147,9 +147,9 @@ Gia_Man_t * Gia_ManDupMuxesTest( Gia_Man_t * p )
     Gia_Man_t * pNew, * pNew2;
     pNew = Gia_ManDupMuxes( p );
     pNew2 = Gia_ManDupNoMuxes( pNew );
-    Gia_ManPrintStats( p, 0, 0, 0 );
-    Gia_ManPrintStats( pNew, 0, 0, 0 );
-    Gia_ManPrintStats( pNew2, 0, 0, 0 );
+    Gia_ManPrintStats( p, NULL );
+    Gia_ManPrintStats( pNew, NULL );
+    Gia_ManPrintStats( pNew2, NULL );
     Gia_ManStop( pNew );
 //    Gia_ManStop( pNew2 );
     return pNew2;
diff --git a/src/aig/gia/giaSweeper.c b/src/aig/gia/giaSweeper.c
index f1295990..a930b994 100644
--- a/src/aig/gia/giaSweeper.c
+++ b/src/aig/gia/giaSweeper.c
@@ -213,7 +213,7 @@ void Gia_SweeperPrintStats( Gia_Man_t * pGia )
     ABC_PRTP( "    Undecided   ", p->timeSatUndec, p->timeTotal );
     ABC_PRTP( "TOTAL RUNTIME   ", p->timeTotal,    p->timeTotal );
     printf( "GIA: " );
-    Gia_ManPrintStats( pGia, 0, 0, 0 );
+    Gia_ManPrintStats( pGia, NULL );
     printf( "SAT calls = %d. Sat = %d. Unsat = %d. Undecided = %d.  Proofs = %d.\n", 
         p->nSatCalls, p->nSatCallsSat, p->nSatCallsUnsat, p->nSatCallsUndec, p->nSatProofs );
     Sat_SolverPrintStats( stdout, p->pSat );
diff --git a/src/base/abc/abcHieCec.c b/src/base/abc/abcHieCec.c
index 44958287..83683398 100644
--- a/src/base/abc/abcHieCec.c
+++ b/src/base/abc/abcHieCec.c
@@ -404,7 +404,7 @@ Gia_Man_t * Abc_NtkDeriveFlatGia2Derive( Abc_Ntk_t * pNtk, Vec_Ptr_t * vOrder )
     Gia_ManStop( pGiaBox );
 
     printf( "%8d -> ", Abc_NtkCountAndNodes(vOrder) );
-    Gia_ManPrintStats( pGia, 0, 0, 0 );
+    Gia_ManPrintStats( pGia, NULL );
     return pGia;
 }
 /*
@@ -724,7 +724,7 @@ Gia_Man_t * Abc_NtkHieCecTest( char * pFileName, int fVerbose )
         clk = Abc_Clock();
         pGia = Abc_NtkDeriveFlatGia2( pNtk, vOrder );
         Abc_PrintTime( 1, "Deriving GIA", Abc_Clock() - clk );
-        Gia_ManPrintStats( pGia, 0, 0, 0 );
+        Gia_ManPrintStats( pGia, NULL );
     //    Gia_ManStop( pGia );
  
         Vec_PtrFree( vOrder );
@@ -740,7 +740,7 @@ Gia_Man_t * Abc_NtkHieCecTest( char * pFileName, int fVerbose )
         clk = Abc_Clock();
         pGia = Abc_NtkDeriveFlatGia( pNtk );
         Abc_PrintTime( 1, "Deriving GIA", Abc_Clock() - clk );
-        Gia_ManPrintStats( pGia, 0, 0, 0 );
+        Gia_ManPrintStats( pGia, NULL );
 
         // clean nodes/boxes of all nodes
         Vec_PtrForEachEntry( Abc_Ntk_t *, vMods, pModel, i )
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 122e5b38..bfa80315 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -25260,23 +25260,25 @@ usage:
 ***********************************************************************/
 int Abc_CommandAbc9Ps( Abc_Frame_t * pAbc, int argc, char ** argv )
 {
+    Gps_Par_t Pars, * pPars = &Pars;
     int c;
-    int fTents = 0;
-    int fSwitch = 0;
-    int fCut = 0;
+    memset( pPars, 0, sizeof(Gps_Par_t) );
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "tpch" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "tpcnh" ) ) != EOF )
     {
         switch ( c )
         {
         case 't':
-            fTents ^= 1;
+            pPars->fTents ^= 1;
             break;
         case 'p':
-            fSwitch ^= 1;
+            pPars->fSwitch ^= 1;
             break;
         case 'c':
-            fCut ^= 1;
+            pPars->fCut ^= 1;
+            break;
+        case 'n':
+            pPars->fNpn ^= 1;
             break;
         case 'h':
             goto usage;
@@ -25289,15 +25291,16 @@ int Abc_CommandAbc9Ps( Abc_Frame_t * pAbc, int argc, char ** argv )
         Abc_Print( -1, "Abc_CommandAbc9Ps(): There is no AIG.\n" );
         return 1;
     }
-    Gia_ManPrintStats( pAbc->pGia, fTents, fSwitch, fCut );
+    Gia_ManPrintStats( pAbc->pGia, pPars );
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: &ps [-tpch]\n" );
+    Abc_Print( -2, "usage: &ps [-tpcnh]\n" );
     Abc_Print( -2, "\t        prints stats of the current AIG\n" );
-    Abc_Print( -2, "\t-t    : toggle printing BMC tents [default = %s]\n", fTents? "yes": "no" );
-    Abc_Print( -2, "\t-p    : toggle printing switching activity [default = %s]\n", fSwitch? "yes": "no" );
-    Abc_Print( -2, "\t-c    : toggle printing the size of frontier cut [default = %s]\n", fCut? "yes": "no" );
+    Abc_Print( -2, "\t-t    : toggle printing BMC tents [default = %s]\n", pPars->fTents? "yes": "no" );
+    Abc_Print( -2, "\t-p    : toggle printing switching activity [default = %s]\n", pPars->fSwitch? "yes": "no" );
+    Abc_Print( -2, "\t-c    : toggle printing the size of frontier cut [default = %s]\n", pPars->fCut? "yes": "no" );
+    Abc_Print( -2, "\t-n    : toggle printing NPN classes of functions [default = %s]\n", pPars->fNpn? "yes": "no" );
     Abc_Print( -2, "\t-h    : print the command usage\n");
     return 1;
 }
diff --git a/src/misc/util/utilBridge.c b/src/misc/util/utilBridge.c
index e30ffd7a..96e41d5b 100644
--- a/src/misc/util/utilBridge.c
+++ b/src/misc/util/utilBridge.c
@@ -501,7 +501,7 @@ void Gia_ManFromBridgeTest( char * pFileName )
     p = Gia_ManFromBridge( pFile, NULL );
     fclose ( pFile );
 
-    Gia_ManPrintStats( p, 0, 0, 0 );
+    Gia_ManPrintStats( p, NULL );
     Gia_AigerWrite( p, "temp.aig", 0, 0 );
 
     Gia_ManToBridgeAbsNetlistTest( "par_.dump", p, BRIDGE_ABS_NETLIST );
diff --git a/src/proof/abs/absRpmOld.c b/src/proof/abs/absRpmOld.c
index acf664a8..fd5e8255 100644
--- a/src/proof/abs/absRpmOld.c
+++ b/src/proof/abs/absRpmOld.c
@@ -147,7 +147,7 @@ Gia_Man_t * Abs_RpmPerformOld( Gia_Man_t * p, int fVerbose )
     if ( fVerbose )
     {
         printf( "Original AIG:\n" );
-        Gia_ManPrintStats( p, 0, 0, 0 );
+        Gia_ManPrintStats( p, NULL );
     }
 
     // perform input trimming
@@ -155,7 +155,7 @@ Gia_Man_t * Abs_RpmPerformOld( Gia_Man_t * p, int fVerbose )
     if ( fVerbose )
     {
         printf( "After PI trimming:\n" );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
     }
     // transform GIA
     pNew = Gia_ManDupIn2Ff( pTmp = pNew );
@@ -163,7 +163,7 @@ Gia_Man_t * Abs_RpmPerformOld( Gia_Man_t * p, int fVerbose )
     if ( fVerbose )
     {
         printf( "After PI-2-FF transformation:\n" );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
     }
 
     // derive AIG
@@ -178,7 +178,7 @@ Gia_Man_t * Abs_RpmPerformOld( Gia_Man_t * p, int fVerbose )
     if ( fVerbose )
     {
         printf( "After min-area retiming:\n" );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
     }
 
     // transform back
@@ -187,7 +187,7 @@ Gia_Man_t * Abs_RpmPerformOld( Gia_Man_t * p, int fVerbose )
     if ( fVerbose )
     {
         printf( "After FF-2-PI tranformation:\n" );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
     }
     return pNew;
 }
diff --git a/src/proof/cec/cecCore.c b/src/proof/cec/cecCore.c
index 051a5126..c77b8fa1 100644
--- a/src/proof/cec/cecCore.c
+++ b/src/proof/cec/cecCore.c
@@ -401,7 +401,7 @@ p->timeSim += Abc_Clock() - clk;
 //        Gia_AigerWrite( pSrm, "gia_srm.aig", 0, 0 );
 
         if ( pPars->fVeryVerbose )
-            Gia_ManPrintStats( pSrm, 0, 0, 0 );
+            Gia_ManPrintStats( pSrm, NULL );
         if ( Gia_ManCoNum(pSrm) == 0 )
         {
             Gia_ManStop( pSrm );
diff --git a/src/proof/ssc/sscCore.c b/src/proof/ssc/sscCore.c
index 4c3f98da..d939a19a 100644
--- a/src/proof/ssc/sscCore.c
+++ b/src/proof/ssc/sscCore.c
@@ -385,9 +385,9 @@ Gia_Man_t * Ssc_PerformSweepingConstr( Gia_Man_t * p, Ssc_Pars_t * pPars )
     if ( pPars->fVerbose )
     {
         printf( "User AIG: " );
-        Gia_ManPrintStats( pAig, 0, 0, 0 );
+        Gia_ManPrintStats( pAig, NULL );
         printf( "Care AIG: " );
-        Gia_ManPrintStats( pCare, 0, 0, 0 );
+        Gia_ManPrintStats( pCare, NULL );
     }
 
     pAig = Gia_ManDupLevelized( pResult = pAig );
diff --git a/src/proof/ssc/sscUtil.c b/src/proof/ssc/sscUtil.c
index 52aea52c..db7f772b 100644
--- a/src/proof/ssc/sscUtil.c
+++ b/src/proof/ssc/sscUtil.c
@@ -130,10 +130,10 @@ Gia_Man_t * Gia_ManOptimizeRing( Gia_Man_t * p )
     int i;
     assert( p->nConstrs == 0 );
     printf( "User AIG: " );
-    Gia_ManPrintStats( p, 0, 0, 0 );
+    Gia_ManPrintStats( p, NULL );
     pTemp = Gia_ManDropContained( p );
     printf( "Drop AIG: " );
-    Gia_ManPrintStats( pTemp, 0, 0, 0 );
+    Gia_ManPrintStats( pTemp, NULL );
 //    return pTemp;
     if ( Gia_ManPoNum(pTemp) == 1 )
         return pTemp;
@@ -158,7 +158,7 @@ Gia_Man_t * Gia_ManOptimizeRing( Gia_Man_t * p )
         Gia_ManStop( pAux );
         // report results
         printf( "AIG%3d  : ", i );
-        Gia_ManPrintStats( pTemp, 0, 0, 0 );
+        Gia_ManPrintStats( pTemp, NULL );
     }
     pTemp->nConstrs = 0;
     return pTemp;
diff --git a/src/sat/bmc/bmcBmcAnd.c b/src/sat/bmc/bmcBmcAnd.c
index 29f5ffa5..d3998c10 100644
--- a/src/sat/bmc/bmcBmcAnd.c
+++ b/src/sat/bmc/bmcBmcAnd.c
@@ -345,7 +345,7 @@ int Gia_ManBmcPerform( Gia_Man_t * pGia, Bmc_AndPar_t * pPars )
         // report statistics
         if ( pPars->fVerbose )
         {
-            printf( "%4d :  PI =%9d.  AIG =%9d.  Var =%8d.  In =%6d.  And =%9d.  Cla =%9d.  Conf =%9d.  Mem =%7.1f Mb   ", 
+            printf( "%4d :  PI =%9d.  AIG =%9d.  Var =%8d.  In =%6d.  And =%9d.  Cla =%9d.  Conf =%9d.  Mem =%7.1f MB   ", 
                 f, Gia_ManPiNum(p->pFrames), Gia_ManAndNum(p->pFrames), 
                 p->nSatVars-1, Vec_IntSize(p->vInputs), Vec_IntSize(p->vNodes), 
                 sat_solver_nclauses(p->pSat), sat_solver_nconflicts(p->pSat), Gia_ManMemory(p->pFrames) );
diff --git a/src/sat/bmc/bmcCexDepth.c b/src/sat/bmc/bmcCexDepth.c
index 7bdfd0ad..3a6584b1 100644
--- a/src/sat/bmc/bmcCexDepth.c
+++ b/src/sat/bmc/bmcCexDepth.c
@@ -148,14 +148,14 @@ Gia_Man_t * Bmc_CexTarget( Gia_Man_t * p, int nFrames )
     {
         printf( "%3d : ", i );
         if ( i % Gia_ManPiNum(p) == 0 )
-            Gia_ManPrintStats( pNew, 0, 0, 0 );
+            Gia_ManPrintStats( pNew, NULL );
         pNew = Gia_ManDupExist( pTemp = pNew, i );
         Gia_ManStop( pTemp );
     }
-    Gia_ManPrintStats( pNew, 0, 0, 0 );
+    Gia_ManPrintStats( pNew, NULL );
     pNew = Gia_ManDupLastPis( pTemp = pNew, Gia_ManRegNum(p) );
     Gia_ManStop( pTemp );  
-    Gia_ManPrintStats( pNew, 0, 0, 0 );
+    Gia_ManPrintStats( pNew, NULL );
     pTemp = Gia_ManDupAppendCones( p, &pNew, 1, 1 );
     Gia_ManStop( pNew );
     Gia_AigerWrite( pTemp, "miter3.aig", 0, 0 );
@@ -352,7 +352,7 @@ Gia_Man_t * Bmc_CexBuildNetwork2Test( Gia_Man_t * p, Abc_Cex_t * pCex, int nFram
     {
         printf( "Frame %5d : ", i );
         pNew = Bmc_CexBuildNetwork2_( p, pCex, i );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
         Vec_PtrPush( vCones, pNew );
     }
     pNew = Gia_ManDupAppendCones( p, (Gia_Man_t **)Vec_PtrArray(vCones), Vec_PtrSize(vCones), 1 );
diff --git a/src/sat/bmc/bmcCexMin2.c b/src/sat/bmc/bmcCexMin2.c
index 7301c3e4..b8514601 100644
--- a/src/sat/bmc/bmcCexMin2.c
+++ b/src/sat/bmc/bmcCexMin2.c
@@ -332,7 +332,7 @@ Abc_Cex_t * Gia_ManCexMin( Gia_Man_t * p, Abc_Cex_t * pCex, int iFrameStart, int
     {
         pNew = Gia_ManCreateUnate( p, pCex, iFrameStart, nRealPis, fUseAll );
         printf( "%3d : ", iFrameStart );
-        Gia_ManPrintStats( pNew, 0, 0, 0 );
+        Gia_ManPrintStats( pNew, NULL );
         if ( fVerbose )
             Gia_AigerWrite( pNew, "temp.aig", 0, 0 );
         Gia_ManStop( pNew );
@@ -343,7 +343,7 @@ Abc_Cex_t * Gia_ManCexMin( Gia_Man_t * p, Abc_Cex_t * pCex, int iFrameStart, int
         {
             pNew = Gia_ManCreateUnate( p, pCex, f, -1, fUseAll );
             printf( "%3d : ", f );
-            Gia_ManPrintStats( pNew, 0, 0, 0 );
+            Gia_ManPrintStats( pNew, NULL );
             if ( fVerbose )
                 Gia_AigerWrite( pNew, "temp.aig", 0, 0 );
             Gia_ManStop( pNew );
diff --git a/src/sat/bmc/bmcCexTools.c b/src/sat/bmc/bmcCexTools.c
index 0260b537..811a90b7 100644
--- a/src/sat/bmc/bmcCexTools.c
+++ b/src/sat/bmc/bmcCexTools.c
@@ -172,7 +172,7 @@ void Bmc_CexPerformUnrollingTest( Gia_Man_t * p, Abc_Cex_t * pCex )
     Gia_Man_t * pNew;
     abctime clk = Abc_Clock();
     pNew = Bmc_CexPerformUnrolling( p, pCex );
-    Gia_ManPrintStats( pNew, 0, 0, 0 );
+    Gia_ManPrintStats( pNew, NULL );
     Gia_AigerWrite( pNew, "unroll.aig", 0, 0 );
 //Bmc_CexDumpAogStats( pNew, Abc_Clock() - clk );
     Gia_ManStop( pNew );
@@ -284,7 +284,7 @@ void Bmc_CexBuildNetworkTest( Gia_Man_t * p, Abc_Cex_t * pCex )
     Gia_Man_t * pNew;
     abctime clk = Abc_Clock();
     pNew = Bmc_CexBuildNetwork( p, pCex );
-    Gia_ManPrintStats( pNew, 0, 0, 0 );
+    Gia_ManPrintStats( pNew, NULL );
     Gia_AigerWrite( pNew, "unate.aig", 0, 0 );
 //Bmc_CexDumpAogStats( pNew, Abc_Clock() - clk );
     Gia_ManStop( pNew );
diff --git a/src/sat/bmc/bmcUnroll.c b/src/sat/bmc/bmcUnroll.c
index a1b51471..0ad9271b 100644
--- a/src/sat/bmc/bmcUnroll.c
+++ b/src/sat/bmc/bmcUnroll.c
@@ -487,8 +487,8 @@ void Unr_ManTest( Gia_Man_t * pGia, int nFrames )
     pFrames1 = Unr_ManUnrollSimple( pGia, nFrames );
     Abc_PrintTime( 1, "UnrollS", Abc_Clock() - clk );
 
-Gia_ManPrintStats( pFrames0, 0, 0, 0 );
-Gia_ManPrintStats( pFrames1, 0, 0, 0 );
+Gia_ManPrintStats( pFrames0, NULL );
+Gia_ManPrintStats( pFrames1, NULL );
 Gia_AigerWrite( pFrames0, "frames0.aig", 0, 0 );
 Gia_AigerWrite( pFrames1, "frames1.aig", 0, 0 );
 
diff --git a/src/sat/bsat/satSolver2i.c b/src/sat/bsat/satSolver2i.c
index 79afd310..5ce6b485 100644
--- a/src/sat/bsat/satSolver2i.c
+++ b/src/sat/bsat/satSolver2i.c
@@ -220,7 +220,7 @@ Gia_Man_t * Gia_ManInterTest( Gia_Man_t * p )
 
     // derive interpolant
     pInter = (Gia_Man_t *)Int2_ManReadInterpolant( pSat );
-    Gia_ManPrintStats( pInter, 0, 0, 0 );
+    Gia_ManPrintStats( pInter, NULL );
     Abc_PrintTime( 1, "Total interpolation time", Abc_Clock() - clk );
 
     // clean up