diff -r 97dcc3c5ea31 -r 1cbd377bffb3 lemon/nagamochi_ibaraki.h
--- a/lemon/nagamochi_ibaraki.h	Fri Mar 14 14:50:04 2008 +0000
+++ b/lemon/nagamochi_ibaraki.h	Thu Mar 20 11:38:01 2008 +0000
@@ -1321,8 +1321,6 @@
       }
 
       if (int(nodes.size()) < _node_num) {
-        _aux_graph->clear();
-        _node_num = 1;
         _cut.clear();
         for (int i = 0; i < int(nodes.size()); ++i) {
           typename Graph::Node n = (*_first)[nodes[i]];
@@ -1331,6 +1329,8 @@
             n = (*_next)[n];
           }
         }
+	_aux_graph->clear();
+        _node_num = 1;
         _min_cut = 0;
         return true;
       }