SCCFind bug fix (derefs).

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@1827 bbc10eb1-c90d-0410-af57-cb519fbb1720
16 years ago · 3d8405f740
1 changed files with 1 additions and 0 deletions
--- a/prism/src/prism/SCCComputerSCCFind.java
+++ b/prism/src/prism/SCCComputerSCCFind.java
@ -255,6 +255,7 @@ public class SCCComputerSCCFind extends SCCComputer
 			intersection = JDD.And(preimage(scc, edges), forwardSet);
 			JDD.Ref(intersection);
 			JDD.Ref(scc);
+			JDD.Deref(tmp);
 			tmp = JDD.And(intersection, JDD.Not(scc));
 		}
 		JDD.Deref(tmp);