Index: darg.py
==================================================================
--- darg.py
+++ darg.py
@@ -94,11 +94,11 @@
         "count nodes within the whole graph"
         self.nNode = len(self.lMinimizedNodes)
 
     def countArcs (self):
         "count arcs within the whole graph"
-        self.nArc = 0
+        self.nArc = len(self.oRoot.dArcs)
         for oNode in self.lMinimizedNodes:
             self.nArc += len(oNode.dArcs)
 
     def displayInfo (self):
         "display informations about the rule graph"