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diff --git a/Test/aitest0/Issue25.bpl b/Test/aitest0/Issue25.bpl
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+// RUN: %boogie -infer:j "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+const N: int;
+axiom 0 <= N;
+
+procedure vacuous_post()
+ensures (forall k, l: int :: 0 <= k && k <= l && l < N ==> N < N); // Used to verify at some point (see https://github.com/boogie-org/boogie/issues/25).
+{
+var x: int;
+x := -N;
+while (x != x) {
+}
+}