X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=cyclegraph.cc;h=be7885c5c1d66a71837f16f07433a913b8c209c1;hb=745b71256a4b96ddf4843c7f66b11d0cb3daa3cb;hp=7e111b95a3a4bc43334d7037260fdc85ccbfc9c7;hpb=e0f80c403452e544452f64687b3c489a869e4f77;p=model-checker.git

diff --git a/cyclegraph.cc b/cyclegraph.cc
index 7e111b9..be7885c 100644
--- a/cyclegraph.cc
+++ b/cyclegraph.cc
@@ -151,7 +151,8 @@ bool CycleGraph::mergeNodes(CycleNode *w_node, CycleNode *p_node,
 	ASSERT(p_node->is_promise());
 
 	const Promise *promise = p_node->getPromise();
-	if (!promise->is_compatible(w_node->getAction())) {
+	if (!promise->is_compatible(w_node->getAction()) ||
+			!promise->same_value(w_node->getAction())) {
 		hasCycles = true;
 		return false;
 	}