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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
unsigned char* init1()
{
unsigned long size;
if (size!=1) return 0;
assert(sizeof(unsigned char)==1);
unsigned char* buffer=__CPROVER_allocate(1, 0);
assert(buffer!=0);
buffer[0]=0;
return buffer;
}
unsigned char* init2()
{
unsigned long size;
if (size!=1) return 0;
assert(sizeof(unsigned char)==1);
unsigned char* buffer=__CPROVER_allocate(1*sizeof(unsigned char), 0);
assert(buffer!=0);
buffer[0]=0;
return buffer;
}
unsigned char* init3()
{
unsigned long size;
if (size!=1) return 0;
assert(sizeof(unsigned char)==1);
unsigned char* buffer=__CPROVER_allocate(sizeof(unsigned char)*1, 0);
assert(buffer!=0);
buffer[0]=0;
return buffer;
}
int main()
{
unsigned char* ret1=init1();
if(ret1!=0)
{
unsigned char r1=ret1[0];
assert(r1==0);
}
unsigned char* ret2=init2();
if(ret2!=0)
{
unsigned char r2=ret2[0];
assert(r2==0);
}
unsigned char* ret3=init3();
if(ret3!=0)
{
unsigned char r3=ret3[0];
assert(r3==0);
}
return 0;
}
|
