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-rw-r--r--Test/z3api/boog16.bpl1
1 files changed, 1 insertions, 0 deletions
diff --git a/Test/z3api/boog16.bpl b/Test/z3api/boog16.bpl
index 48afd41d..a002c166 100644
--- a/Test/z3api/boog16.bpl
+++ b/Test/z3api/boog16.bpl
@@ -1,3 +1,4 @@
+type ref;
function choose(a:bool, b:int, c:int) returns (x:int);
axiom(forall a:bool, b:int, c:int ::
{choose(a,b,c)} !a ==> choose(a,b,c) == c);