added -L to %abs

src/base/wlc/wlcAbs.c

@@ -1206,6 +1206,8 @@ int Wlc_NtkAbsCore( Wlc_Ntk_t * p, Wlc_Par_t * pPars )
             printf( "\nIteration %d:\n", nIters );
 
         // get abstracted GIA and the set of pseudo-PIs (vPisNew)
+        if ( nIters == 1 && pPars->nLimit < ABC_INFINITY )
+            Wlc_NtkSetUnmark( p, pPars, vUnmark );
         pAbs = Wlc_NtkAbs( p, pPars, vUnmark, &vPisNew, NULL, pPars->fVerbose );
         pGia = Wlc_NtkBitBlast( pAbs, NULL, -1, 0, 0, 0, 0 );
 

src/base/wlc/wlcCom.c

@@ -609,7 +609,7 @@ int Abc_CommandAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
     int c;
     Wlc_ManSetDefaultParams( pPars );
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFIxvwh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "AMXFILxvwh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -668,6 +668,17 @@ int Abc_CommandAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
             if ( pPars->nIterMax < 0 )
                 goto usage;
             break;
+        case 'L':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-L\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            pPars->nLimit = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( pPars->nLimit < 0 )
+                goto usage;
+            break;
         case 'x':
             pPars->fXorOutput ^= 1;
             break;
@@ -691,13 +702,14 @@ int Abc_CommandAbs( Abc_Frame_t * pAbc, int argc, char ** argv )
     Wlc_NtkAbsCore( pNtk, pPars );
     return 0;
 usage:
-    Abc_Print( -2, "usage: %%abs [-AMXFI num] [-xvwh]\n" );
+    Abc_Print( -2, "usage: %%abs [-AMXFIL num] [-xvwh]\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 );
     Abc_Print( -2, "\t-X num : minimum bit-width of a MUX operator to abstract [default = %d]\n",      pPars->nBitsMux );
     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-L num : maximum number of each type of signals [default = %d]\n",               pPars->nLimit );
     Abc_Print( -2, "\t-x     : toggle XORing outputs of word-level miter [default = %s]\n",            pPars->fXorOutput? "yes": "no" );
     Abc_Print( -2, "\t-v     : toggle printing verbose information [default = %s]\n",                  pPars->fVerbose? "yes": "no" );
     Abc_Print( -2, "\t-w     : toggle printing verbose PDR output [default = %s]\n",                   pPars->fPdrVerbose? "yes": "no" );