diff options
| author |  mikebarnett <unknown> | 2009-07-15 21:03:41 +0000 |
|---|---|---|
| committer | mikebarnett <unknown> | 2009-07-15 21:03:41 +0000 |
| commit | ce1c2de044c91624370411e23acab13b0381949b (patch) | |
| tree | 592539996fe08050ead5ee210c973801611dde40 /Test/houdini/houd12.bpl | |
Initial set of files.
Diffstat (limited to 'Test/houdini/houd12.bpl')
| -rw-r--r-- | Test/houdini/houd12.bpl | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Test/houdini/houd12.bpl b/Test/houdini/houd12.bpl new file mode 100644 index 00000000..f3152720 --- /dev/null +++ b/Test/houdini/houd12.bpl @@ -0,0 +1,58 @@ +// Example to test candidate annotations on loops
+
+const {:existential true} b1:bool;
+const {:existential true} b2:bool;
+const {:existential true} b3:bool;
+const {:existential true} b4:bool;
+const {:existential true} b5:bool;
+const {:existential true} b6:bool;
+const {:existential true} b7:bool;
+
+var x: int;
+var y: int;
+
+
+procedure foo()
+modifies x;
+modifies y;
+ensures (b4 ==> x == 0);
+ensures (b5 ==> y == 10);
+ensures (b6 ==> x == 10);
+ensures (b7 ==> y == 11);
+
+{
+ x := 10;
+ y := 0;
+
+ goto Head;
+
+Head:
+
+ //loop invariants
+ assert (b1 ==> x < 0);
+ assert (b2 ==> x >= 0);
+ assert (b3 ==> x + y == 10);
+ goto Body, Exit;
+
+Body:
+ assume x > 0;
+ x := x - 1;
+ y := y + 1;
+
+
+ goto Head;
+
+Exit:
+ assume !(x > 0);
+ return;
+}
+
+// expected outcome: Correct
+// expected assigment: b1->False,b2->True,b3->True,b4->True, b5->True, b6->False,b7->False
+
+
+
+
+
+
+
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