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-rw-r--r--Test/test20/EmptySeq.bpl6
1 files changed, 6 insertions, 0 deletions
diff --git a/Test/test20/EmptySeq.bpl b/Test/test20/EmptySeq.bpl
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+++ b/Test/test20/EmptySeq.bpl
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+type Seq T;
+
+function Seq#Length<T>(Seq T) returns (int);
+function Seq#Empty<T>() returns (Seq T);
+
+axiom (forall<T> :: Seq#Length(Seq#Empty(): Seq T) == 0);