Implemented an optimization for assignments to assumption variables that are injected by the verification result caching for calls within loops.

1 files changed, 32 insertions, 0 deletions

diff --git a/Test/snapshots/Snapshots17.v1.bpl b/Test/snapshots/Snapshots17.v1.bpl
new file mode 100644
index 00000000..4d22ab3d
--- /dev/null
+++ b/Test/snapshots/Snapshots17.v1.bpl
@@ -0,0 +1,32 @@
+procedure {:checksum "0"} M();

+

+implementation {:id "M"} {:checksum "1"} M()

+{

+    var x: int;

+

+    x := 0;

+    while (*)

+    {

+        while (*)

+        {

+            assert true;

+

+            call N();

+

+            call N();

+

+            x := x + 1;

+

+            assert x == 1;  // error

+        }

+

+        call N();

+

+        assert false;  // error

+    }

+

+    assert true;

+}

+

+procedure {:checksum "3"} N();

+  ensures true;