diff options
| author |  Rustan Leino <leino@microsoft.com> | 2011-12-12 13:53:32 -0800 |
|---|---|---|
| committer | Rustan Leino <leino@microsoft.com> | 2011-12-12 13:53:32 -0800 |
| commit | de994ac942cd6a017f2f277bd0be37a7e8cc0c98 (patch) | |
| tree | 3975ed67095183873585b88b018656841ab4a153 /Test/aitest0 | |
| parent | a0331bcece67f35325fe70f2fda1b87d66397ab1 (diff) | |
Dafny: implemented thresholds for the new interval domain (/infer:j)
Diffstat (limited to 'Test/aitest0')
| -rw-r--r-- | Test/aitest0/Answer | 14 | ||||
| -rw-r--r-- | Test/aitest0/Intervals.bpl | 56 |
2 files changed, 68 insertions, 2 deletions
diff --git a/Test/aitest0/Answer b/Test/aitest0/Answer index e517aa18..73a9509c 100644 --- a/Test/aitest0/Answer +++ b/Test/aitest0/Answer @@ -109,5 +109,15 @@ implementation Evaluate() Boogie program verifier finished with 0 verified, 0 errors
-
-Boogie program verifier finished with 1 verified, 0 errors
+Intervals.bpl(62,3): Error BP5001: This assertion might not hold.
+Execution trace:
+ Intervals.bpl(57,5): anon0
+ Intervals.bpl(58,3): anon3_LoopHead
+ Intervals.bpl(58,3): anon3_LoopDone
+Intervals.bpl(73,3): Error BP5001: This assertion might not hold.
+Execution trace:
+ Intervals.bpl(68,5): anon0
+ Intervals.bpl(69,3): anon3_LoopHead
+ Intervals.bpl(69,3): anon3_LoopDone
+
+Boogie program verifier finished with 4 verified, 2 errors
diff --git a/Test/aitest0/Intervals.bpl b/Test/aitest0/Intervals.bpl index 49d27b1c..7ed2c3d2 100644 --- a/Test/aitest0/Intervals.bpl +++ b/Test/aitest0/Intervals.bpl @@ -17,3 +17,59 @@ procedure P(K: int) }
assert 13 <= x;
}
+
+procedure Thresholds0()
+{
+ var i: int;
+ i := 0;
+ while (i < 200)
+ {
+ i := i + 1;
+ }
+ assert i == 200;
+}
+
+procedure Thresholds1()
+{
+ var i: int;
+ i := 0;
+ while (i <= 199)
+ {
+ i := i + 1;
+ }
+ assert i == 200;
+}
+
+procedure Thresholds2()
+{
+ var i: int;
+ i := 100;
+ while (0 < i)
+ {
+ i := i - 1;
+ }
+ assert i == 0;
+}
+
+procedure Thresholds3()
+{
+ var i: int;
+ i := 0;
+ while (i < 200)
+ {
+ i := i + 1;
+ }
+ assert i == 199; // error
+}
+
+procedure Thresholds4()
+{
+ var i: int;
+ i := 0;
+ while (i + 3 < 203)
+ {
+ i := i + 1;
+ }
+ assert i * 2 == 400; // error: this would hold in an execution, but /infer:j is too weak to infer invariant i<=200
+}
+
|