Renaming command-line option '-s' to be '-q' in 'pdr'.

src/base/abci/abc.c

@@ -26678,7 +26678,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
     int c;
     Pdr_ManSetDefaultParams( pPars );
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "MFCDQTHGSaxrmuyfsipdegjonctkvwzh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "MFCDQTHGSaxrmuyfqipdegjonctkvwzh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -26802,7 +26802,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
         case 'f':
             pPars->fFlopOrder ^= 1;
             break;
-        case 's':
+        case 'q':
             pPars->fShortest ^= 1;
             break;
         case 'i':
@@ -26879,7 +26879,7 @@ int Abc_CommandPdr( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: pdr [-MFCDQTHGS <num>] [-axrmuyfsipdegjonctkvwzh]\n" );
+    Abc_Print( -2, "usage: pdr [-MFCDQTHGS <num>] [-axrmuyfqipdegjonctkvwzh]\n" );
     Abc_Print( -2, "\t         model checking using property directed reachability (aka IC3)\n" );
     Abc_Print( -2, "\t         pioneered by Aaron R. Bradley (http://theory.stanford.edu/~arbrad/)\n" );
     Abc_Print( -2, "\t         with improvements by Niklas Een (http://een.se/niklas/)\n" );
@@ -26899,7 +26899,7 @@ usage:
     Abc_Print( -2, "\t-u     : toggle updated X-valued simulation [default = %s]\n",                         pPars->fNewXSim? "yes": "no" );
     Abc_Print( -2, "\t-y     : toggle using structural flop priorities [default = %s]\n",                    pPars->fFlopPrio? "yes": "no" );
     Abc_Print( -2, "\t-f     : toggle ordering flops by cost before generalization [default = %s]\n",        pPars->fFlopOrder? "yes": "no" );
-    Abc_Print( -2, "\t-s     : toggle creating only shortest counter-examples [default = %s]\n",             pPars->fShortest? "yes": "no" );
+    Abc_Print( -2, "\t-q     : toggle creating only shortest counter-examples [default = %s]\n",             pPars->fShortest? "yes": "no" );
     Abc_Print( -2, "\t-i     : toggle clause pushing from an intermediate timeframe [default = %s]\n",       pPars->fShiftStart? "yes": "no" );
     Abc_Print( -2, "\t-p     : toggle reusing proof-obligations in the last timeframe [default = %s]\n",     pPars->fReuseProofOblig? "yes": "no" );
     Abc_Print( -2, "\t-d     : toggle dumping invariant (valid if init state is all-0) [default = %s]\n",    pPars->fDumpInv? "yes": "no" );