diff -r b7aa93c10833 -r 9eabcb1bfe50 src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy
--- a/src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy	Mon Oct 25 21:17:11 2010 +0200
+++ b/src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy	Mon Oct 25 21:17:12 2010 +0200
@@ -23,7 +23,7 @@
 setup {* Context.theory_map (Quickcheck.add_generator ("prolog", Code_Prolog.quickcheck)) *}
 
 lemma "\<lbrakk> hotel s; g \<in> isin s r \<rbrakk> \<Longrightarrow> owns s r = Some g"
-quickcheck[generator = code, iterations = 100000, report]
+quickcheck[generator = code, iterations = 10000, report]
 quickcheck[generator = prolog, iterations = 1, expect = counterexample]
 oops