diff options
| author |  Clément Pit--Claudel <clement.pitclaudel@live.com> | 2015-08-22 15:39:50 -0700 |
|---|---|---|
| committer | Clément Pit--Claudel <clement.pitclaudel@live.com> | 2015-08-22 15:39:50 -0700 |
| commit | 5b62a70205871f5f4d62db5247f11ac6c53fc57e (patch) | |
| tree | aa40fed98694e0ffca68f48a5021dcc821441b2b /Test/triggers | |
| parent | 109a5ba2678d911eaa4446674988101677096896 (diff) | |
Look at the full quantifier to find loops, not just the term.
Diffstat (limited to 'Test/triggers')
| -rw-r--r-- | Test/triggers/loop-detection-looks-at-ranges-too.dfy | 14 | ||||
| -rw-r--r-- | Test/triggers/loop-detection-looks-at-ranges-too.dfy.expect | 6 |
2 files changed, 20 insertions, 0 deletions
diff --git a/Test/triggers/loop-detection-looks-at-ranges-too.dfy b/Test/triggers/loop-detection-looks-at-ranges-too.dfy new file mode 100644 index 00000000..7a99ea2d --- /dev/null +++ b/Test/triggers/loop-detection-looks-at-ranges-too.dfy @@ -0,0 +1,14 @@ +// RUN: %dafny /compile:0 /print:"%t.print" /dprint:"%t.dprint" /autoTriggers:1 /printTooltips "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+// This file checks that loops between the range and the term of a quantifier
+// are properly detected.
+
+predicate P(x: int)
+
+method M(x: int) {
+ // This will be flagged as a loop even without looking at the range
+ assert true || forall x: int | P(x) :: P(x+1);
+ // This requires checking the range for looping terms
+ assert true || forall x: int | P(x+1) :: P(x);
+}
diff --git a/Test/triggers/loop-detection-looks-at-ranges-too.dfy.expect b/Test/triggers/loop-detection-looks-at-ranges-too.dfy.expect new file mode 100644 index 00000000..72482de5 --- /dev/null +++ b/Test/triggers/loop-detection-looks-at-ranges-too.dfy.expect @@ -0,0 +1,6 @@ +loop-detection-looks-at-ranges-too.dfy(11,17): Warning: Selected triggers: {P(x)} (loops with {P(x + 1)})
+ (!) Suppressing loops would leave this expression without triggers.
+loop-detection-looks-at-ranges-too.dfy(13,17): Warning: Selected triggers: {P(x)} (loops with {P(x + 1)})
+ (!) Suppressing loops would leave this expression without triggers.
+
+Dafny program verifier finished with 3 verified, 0 errors
|