- Checks are now in. Untested though.

src/arachne.c

@@ -1318,6 +1318,44 @@ prune_bounds ()
   return 0;
 }
 
+//! Prune determination for specific properties
+/**
+ * Sometimes, a property holds in part of the tree. Thus, we don't need to explore that part further if we want to find an attack.
+ *
+ *@returns true iff this state is invalid for some reason
+ */
+int
+prune_claim_specifics ()
+{
+  if (current_claim->type == CLAIM_Niagree)
+    {
+      if (arachne_claim_niagree (sys, current_claim->r, current_claim->ev))
+	{
+          current_claim->count = statesIncrease (current_claim->count);
+	  if (sys->output == PROOF)
+	    {
+	      indentPrint ();
+	      eprintf ("Pruned: niagree holds in this part of the proof tree.\n");
+	    }
+	  return 1;
+	}
+    }
+  if (current_claim->type == CLAIM_Nisynch)
+    {
+      if (arachne_claim_nisynch (sys, current_claim->r, current_claim->ev))
+	{
+          current_claim->count = statesIncrease (current_claim->count);
+	  if (sys->output == PROOF)
+	    {
+	      indentPrint ();
+	      eprintf ("Pruned: nisynch holds in this part of the proof tree.\n");
+	    }
+	  return 1;
+	}
+    }
+  return 0;
+}
+
 //! Setup system for specific claim test
 add_claim_specifics (const Claimlist cl, const Roledef rd)
 {
@@ -1385,6 +1423,8 @@ iterate ()
 
   flag = 1;
   if (!prune_theorems ())
+    {
+      if (!prune_claim_specifics ())
 	{
 	  if (!prune_bounds ())
 	    {
@@ -1429,6 +1469,7 @@ iterate ()
 	      current_claim->complete = 0;
 	    }
 	}
+    }
 
 #ifdef DEBUG
   if (DEBUGL (5) && !flag)