test/Feature/CopyOnWrite.c


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

// RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc
// RUN: %klee --use-random-search --exit-on-error %t1.bc

#include <assert.h>

#define N 5

unsigned branches = 0;

void explode(int *ap, int i, int *result) {
  if (i<N) {
    (*result)++;
    if (ap[i]) // just cause a fork
      branches++; 
    return explode(ap, i+1, result);
  }
}

int main() {
  int result = 0;
  int a[N];
  klee_make_symbolic(a, sizeof a);
  explode(a,0,&result);
  assert(result==N);
  return 0;
}