From 11c1a652601f1115d88a00050a9b1ad8d79f6d7f Mon Sep 17 00:00:00 2001
From: Dave Parker <dave.x.parker@gmail.com>
Date: Thu, 3 Sep 2015 21:34:16 +0000
Subject: [PATCH] Allow wider ranger of co-safe LTL formulae inside an R
 operator (more precisely, those that can also be rewritten into co-safe
 form).

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10614 bbc10eb1-c90d-0410-af57-cb519fbb1720
---
 prism/src/explicit/ProbModelChecker.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prism/src/explicit/ProbModelChecker.java b/prism/src/explicit/ProbModelChecker.java
index 2ebbda98..4ee70c92 100644
--- a/prism/src/explicit/ProbModelChecker.java
+++ b/prism/src/explicit/ProbModelChecker.java
@@ -1034,7 +1034,7 @@ public class ProbModelChecker extends NonProbModelChecker
 		if (Expression.isReach(expr)) {
 			return checkRewardReach(model, modelRewards, (ExpressionTemporal) expr, minMax, statesOfInterest);
 		}
-		else if (Expression.isCoSafeLTLSyntactic(expr)) {
+		else if (Expression.isCoSafeLTLSyntactic(expr, true)) {
 			return checkRewardCoSafeLTL(model, modelRewards, expr, minMax, statesOfInterest);
 		}
 		throw new PrismException("R operator contains a path formula that is not syntactically co-safe: " + expr);