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-rw-r--r--Test/VSI-Benchmarks/b6.dfy2
1 files changed, 1 insertions, 1 deletions
diff --git a/Test/VSI-Benchmarks/b6.dfy b/Test/VSI-Benchmarks/b6.dfy
index e5d061d2..f6e7879f 100644
--- a/Test/VSI-Benchmarks/b6.dfy
+++ b/Test/VSI-Benchmarks/b6.dfy
@@ -63,7 +63,7 @@ class Iterator {
function Valid():bool
reads this, footprint;
{
- this in footprint && c!= null && -1<= pos && !(null in footprint)
+ this in footprint && c!= null && -1<= pos && null !in footprint
}
method Init(coll:Collection)