test/Merging/unexpected_close.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
27
28
29
30
31
32
33
34
35

// RUN: %clang -emit-llvm -g -c -o %t.bc %s
// RUN: rm -rf %t.klee-out
// RUN: %klee --output-dir=%t.klee-out --use-merge --search=nurs:covnew --max-time=2 %t.bc 2>&1 | FileCheck %s

// CHECK: ran into a close at
// CHECK: generated tests = 2{{$}}

#include "klee/klee.h"

int main(int argc, char **args) {

  int x;
  int a;
  int foo = 0;

  klee_make_symbolic(&x, sizeof(x), "x");
  klee_make_symbolic(&a, sizeof(a), "a");

  if (a == 0) {
    klee_open_merge();

    if (x == 1) {
      foo = 5;
    } else if (x == 2) {
      foo = 6;
    } else {
      foo = 7;
    }

    klee_close_merge();
  }
  klee_close_merge();

  return foo;
}