src/HOL/Predicate_Compile_Examples/IMP_4.thy

--- a/src/HOL/Predicate_Compile_Examples/IMP_4.thy	Fri Nov 11 08:32:45 2011 +0100
+++ b/src/HOL/Predicate_Compile_Examples/IMP_4.thy	Fri Nov 11 08:32:48 2011 +0100
@@ -30,7 +30,7 @@
 lemma
   "exec c s s' ==> exec (Seq c c) s s'"
   nitpick (* nitpick fails here! *)
-  quickcheck[tester = predicate_compile_wo_ff, size=2, iterations=100, expect=counterexample]
+  quickcheck[tester = smart_exhaustive, size=2, iterations=100, expect=counterexample]
 oops
 
 end