From: rtrimana <rtrimana@uci.edu>
Date: Thu, 9 Apr 2020 23:18:40 +0000 (-0700)
Subject: Fixing a bug: VOD graph traversal should continue with the next neighbor when there... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=87594ff533502d7145f07c0974ea4fc5399d1cac;p=jpf-core.git

Fixing a bug: VOD graph traversal should continue with the next neighbor when there is a loop (repeated node found).
---

diff --git a/src/main/gov/nasa/jpf/listener/DPORStateReducer.java b/src/main/gov/nasa/jpf/listener/DPORStateReducer.java
index 7d5546c..f9d79c5 100644
--- a/src/main/gov/nasa/jpf/listener/DPORStateReducer.java
+++ b/src/main/gov/nasa/jpf/listener/DPORStateReducer.java
@@ -796,8 +796,8 @@ public class DPORStateReducer extends ListenerAdapter {
         if (choice == currEvent) {
           return true;
         }
-        if (visitedChoice.contains(choice)) { // If there is a loop then we don't find it
-          return false;
+        if (visitedChoice.contains(choice)) { // If there is a loop then just continue the exploration
+          continue;
         }
         // Continue searching
         visitedChoice.add(choice);