Test/test2/AssumptionVariables0.bpl


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
32
33
34
35
36
37
38
39
40

// RUN: %boogie -noinfer %s > %t
// RUN: %diff %s.expect %t
procedure Test0()
{
    var {:assumption} a0: bool;

    assert a0;
}


procedure Test1(n: int)
{
    var {:assumption} a0: bool;

    a0 := a0 && (0 <= n);

    assert a0;  // error
}


procedure Test2()
{
    var {:assumption} a0: bool;

    havoc a0;

    assert a0;  // error
}


var {:assumption} a0: bool;


procedure Test3()
  modifies a0;
{
    a0 := a0 && true;

    assert a0;  // error
}