File: main.c

package info (click to toggle)
cbmc 5.10-5
  • links: PTS
  • area: main
  • in suites: buster
  • size: 73,416 kB
  • sloc: cpp: 264,330; ansic: 38,268; java: 19,025; python: 4,539; yacc: 4,275; makefile: 2,547; lex: 2,394; sh: 932; perl: 525; xml: 289; pascal: 169
file content (28 lines) | stat: -rw-r--r-- 460 bytes parent folder | download | duplicates (3) 
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
 
// #include <pthread.h>
#include <assert.h>

volatile unsigned x = 0, y = 0;
volatile unsigned r1 = 0, r2 = 0;

void* thr1(void* arg) {
  x = 1;
  r1 = y + 1;
  return 0;
}

void* thr2(void* arg) {
  y = 1;
  r2 = x + 1;
  return 0;
}

int main(){
  // pthread_t t1, t2;
  // pthread_create(&t1, NULL, thr1, NULL);
  // pthread_create(&t2, NULL, thr2, NULL);
__CPROVER_ASYNC_1: thr1(0);
__CPROVER_ASYNC_2: thr2(0);
  assert(r1 != 1 || r2 != 1);
  return 0;
}