diff options
author | akashlal <unknown> | 2013-04-25 14:13:16 +0530 |
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committer | akashlal <unknown> | 2013-04-25 14:13:16 +0530 |
commit | d1b98641093f94f76c74bdf477f2bfeeea3ad945 (patch) | |
tree | db29eee0617a2121713710477bc665a3044ef784 /Test/AbsHoudini/pred3.bpl | |
parent | 410f9a6ade1e16402e283e39bb68e21bb9a8c10b (diff) |
AbsHoudini: Added predicate-abstraction domain and some examples.
Diffstat (limited to 'Test/AbsHoudini/pred3.bpl')
-rw-r--r-- | Test/AbsHoudini/pred3.bpl | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Test/AbsHoudini/pred3.bpl b/Test/AbsHoudini/pred3.bpl new file mode 100644 index 00000000..450efde4 --- /dev/null +++ b/Test/AbsHoudini/pred3.bpl @@ -0,0 +1,24 @@ +function {:existential true} b0(x:bool, y:bool): bool;
+function {:existential true} b1(x:bool, y:bool): bool;
+function {:existential true} b2(x:bool, y:bool): bool;
+
+var g: int;
+
+procedure main()
+modifies g;
+ensures b0(g == 0, g == 5);
+{
+ assume 0 == old(g) || 1 == old(g);
+ g := 0;
+ if(*) { g := 5; }
+ call foo();
+}
+
+procedure foo()
+ modifies g;
+ requires b1(g == 0, g == 5);
+ ensures b2(old(g) == 0, old(g) == 5);
+{
+ assume g != 5;
+}
+
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