blob: 73f7143e90255b34b809a924bafc354f9b8a67d4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// RUN: %boogie -noinfer -contractInfer -printAssignment "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
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;
var array:[int]int;
procedure foo (i:int)
requires b1 ==> i == 0;
requires b2 ==> i > 0;
requires b3 ==> i < 0;
ensures b4 ==> array[i] > 0;
modifies array;
ensures (forall x:int :: {array[x]} x == i || array[x] == old(array)[x]);
{
array[i] := 2 * i;
}
procedure bar (j:int) returns (result:int)
requires b5 ==> j > 0;
modifies array;
{
call foo(j);
result := array[j];
}
// expected outcome: Correct
// expected assigment: b1->False,b2->true,b3->False,b4->True,b5->True
|
