File: scope.c

package info (click to toggle)
frama-c 20161101%2Bsilicon%2Bdfsg-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 42,324 kB
  • ctags: 35,695
  • sloc: ml: 200,142; ansic: 31,465; makefile: 2,334; sh: 1,643; lisp: 259; python: 85; asm: 26
file content (79 lines) | stat: -rw-r--r-- 1,240 bytes parent folder | download
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
71
72
73
74
75
76
77
78
79
/* run.config
   OPT: -val -main f -journal-disable
   OPT: -val -main f2 -journal-disable
   OPT: -val -main loop -journal-disable
*/
/*
 * bin/viewer.byte -main f tests/scope/scope.c -val
 * bin/viewer.byte -main f2 tests/scope/scope.c -val
 * bin/viewer.byte -main loop tests/scope/scope.c -val
 */

#include "__fc_builtin.h"

typedef struct {int a; int b; } Tstr;
Tstr S1, S2;
int T[100];

int f (int x, int y, Tstr s) {
  int a, b;
  int * p;
  int i;
  if (x > 0) {
    p =  &x;
    a = 0;
    s.a = 3;
    i =  Frama_C_interval (5, 15);
    T[i] = 1;
  }
  else {
    p =  &y;
    b = 0;
    i =  Frama_C_interval (10, 20);
    T[i] = 2;
  }
  i = 0;
  x = 5;
  y = 10;
  /* It can be interesting to see that selecting T[i]
   * is not the same than selecting T[0] even if i=0 */
  *p = i;
  x = 4;
  return *p;
}

void f2 (int c) {
  int x, y;
  y = 0;
  x = 1;
  y++;
  if (c) {
    y++;
  }
  else {
    y++;
    x = 2;
    y++;
  }
  y++;
}

int loop (int n) {
  int a, b, i, s;
  i = 0;
  s = 0;
  a = 0;
  b = 0;
  while (i < n) {
    a++;
    b++;
    s++;
    /* selecting i here select also stmts before the loop */
    /* selecting s here select also stmts after the loop */
    i++;
  }
  a++;
  b++;
  i++;
  return s;
}