Changes to PDR to compute f-inf clauses and import invariant (or clauses) as a network.

1 files changed, 14 insertions, 2 deletions

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index a860a5a9..cd5f6e98 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -24985,7 +24985,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
     int c;
     Pdr_ManSetDefaultParams( pPars );
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "MFCRTHGaxrmsipdgvwzh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "MFCDRTHGaxrmsipdgvwzh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -25022,6 +25022,17 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
             if ( pPars->nConfLimit < 0 )
                 goto usage;
             break;
+        case 'D':
+            if ( globalUtilOptind >= argc )
+            {
+                Abc_Print( -1, "Command line switch \"-D\" should be followed by an integer.\n" );
+                goto usage;
+            }
+            pPars->nConfGenLimit = atoi(argv[globalUtilOptind]);
+            globalUtilOptind++;
+            if ( pPars->nConfGenLimit < 0 )
+                goto usage;
+            break;
         case 'R':
             if ( globalUtilOptind >= argc )
             {
@@ -25134,13 +25145,14 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: pdr [-MFCRTHG <num>] [-axrmsipdgvwzh]\n" );
+    Abc_Print( -2, "usage: pdr [-MFCDRTHG <num>] [-axrmsipdgvwzh]\n" );
     Abc_Print( -2, "\t         model checking using property directed reachability (aka IC3)\n" );
     Abc_Print( -2, "\t         pioneered by Aaron Bradley (http://ecee.colorado.edu/~bradleya/ic3/)\n" );
     Abc_Print( -2, "\t         with improvements by Niklas Een (http://een.se/niklas/)\n" );
     Abc_Print( -2, "\t-M num : limit on unused vars to trigger SAT solver recycling [default = %d]\n",       pPars->nRecycle );
     Abc_Print( -2, "\t-F num : limit on timeframes explored to stop computation [default = %d]\n",           pPars->nFrameMax );
     Abc_Print( -2, "\t-C num : limit on conflicts in one SAT call (0 = no limit) [default = %d]\n",          pPars->nConfLimit );
+    Abc_Print( -2, "\t-D num : limit on conflicts during ind-generalization (0 = no limit) [default = %d]\n",pPars->nConfGenLimit );
     Abc_Print( -2, "\t-R num : limit on proof obligations before a restart (0 = no limit) [default = %d]\n", pPars->nRestLimit );
     Abc_Print( -2, "\t-T num : runtime limit, in seconds (0 = no limit) [default = %d]\n",                   pPars->nTimeOut );
     Abc_Print( -2, "\t-H num : runtime limit per output, in miliseconds (with \"-a\") [default = %d]\n",     pPars->nTimeOutOne );