svcomp_b.04-alloca.c

contents

#include <stdlib.h>

extern int __VERIFIER_nondet_int(void);

int test_fun(int x, int y, int tmp)
{
    int* x_ref = alloca(sizeof(int));
    int* y_ref = alloca(sizeof(int));
    int* tmp_ref = alloca(sizeof(int));
    *x_ref = x;
    *y_ref = y;
    *tmp_ref = tmp;
    while (*x_ref > *y_ref) {
        *tmp_ref = *x_ref;
        *x_ref = *y_ref;
        *y_ref = *tmp_ref;
    }
    return *tmp_ref;
}

int main() {
  return test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int());
}

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