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-rw-r--r--Test/VSI-Benchmarks/b4.dfy5
1 files changed, 5 insertions, 0 deletions
diff --git a/Test/VSI-Benchmarks/b4.dfy b/Test/VSI-Benchmarks/b4.dfy
index 80d6b8d6..ebaeab84 100644
--- a/Test/VSI-Benchmarks/b4.dfy
+++ b/Test/VSI-Benchmarks/b4.dfy
@@ -1,3 +1,8 @@
+/*
+ This test fails with Z3 2.4 (on Win7 x64) and works
+ with Z3 2.9 (on Win7 x64). Other versions ... who knows.
+*/
+
// Note: We are using the built-in equality to compare keys.
// Note: The abstract specifications would do well with a map from keys
// to values. However, Dafny does not support maps. Instead, such a