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-rw-r--r--Test/test21/Orderings2.bpl18
1 files changed, 18 insertions, 0 deletions
diff --git a/Test/test21/Orderings2.bpl b/Test/test21/Orderings2.bpl
new file mode 100644
index 00000000..75becb2a
--- /dev/null
+++ b/Test/test21/Orderings2.bpl
@@ -0,0 +1,18 @@
+
+
+const b:int;
+const a:int extends b complete;
+
+const c:int extends a;
+const d:int extends a;
+
+procedure P() returns () {
+ var x:int;
+
+ assert c <: b && d <: a;
+
+ assume x <: a && !(x <: c) && x != a;
+ assert x <: d;
+
+ assert b <: x; // should not be provable
+} \ No newline at end of file