Enabled detecting CEXes in multiple POs without stopping (sim3 -a).

src/proof/ssw/sswRarity.c

@@ -549,23 +549,23 @@ int Ssw_RarManObjWhichOne( Ssw_RarMan_t * p, Aig_Obj_t * pObj )
 int Ssw_RarManCheckNonConstOutputs( Ssw_RarMan_t * p, int * pnSolvedNow, int iFrame, int fNotVerbose, clock_t Time )
 {
     Aig_Obj_t * pObj;
-    int i;
+    int i, RetValue = 0;
     p->iFailPo  = -1;
     p->iFailPat = -1;
     Saig_ManForEachPo( p->pAig, pObj, i )
     {
         if ( p->pAig->nConstrs && i >= Saig_ManPoNum(p->pAig) - p->pAig->nConstrs )
-            return 0;
+            break;
         if ( p->vCexes && Vec_PtrEntry(p->vCexes, i) )
             continue;
-        if ( !Ssw_RarManObjIsConst(p, pObj) )
-        {
+        if ( Ssw_RarManObjIsConst(p, pObj) )
+            continue;
+        RetValue = 1;
         p->iFailPo  = i;
         p->iFailPat = Ssw_RarManObjWhichOne( p, pObj );
-
+        if ( pnSolvedNow == NULL )
+            break;
         // remember the one solved
-            if ( pnSolvedNow )
-            {
         (*pnSolvedNow)++;
         if ( p->vCexes == NULL )
             p->vCexes = Vec_PtrStart( Saig_ManPoNum(p->pAig) );
@@ -581,12 +581,8 @@ int Ssw_RarManCheckNonConstOutputs( Ssw_RarMan_t * p, int * pnSolvedNow, int iFr
                 nOutDigits, Saig_ManPoNum(p->pAig) );
             Abc_PrintTime( 1, "Time", Time );
         }
-                continue;
-            }
-            return 1;
     }
-    }
-    return 0;
+    return RetValue;
 }
 
 /**Function*************************************************************

src/python/pyabc.i

@@ -238,6 +238,8 @@ Abc_Cex_t* _cex_get_vec(int i)
 		return NULL;
 	}
 
+    if ( pCex == (Abc_Cex_t *)1 )
+        return pCex;
     return Abc_CexDup( pCex, -1 ); 
 }