svcomp_java_BubbleSort_alloca.c

contents

#include <stdlib.h>

extern int __VERIFIER_nondet_int(void);

void sort(int *x, int n) {
    int pass;
    int i;
    for (pass=1; pass < n; pass++)  // count how many times
        // This next loop becomes shorter and shorter
        for (i=0; i < n - pass; i++)
            if (x[i] > x[i+1]) {
                // exchange elements
                int temp = x[i]; x[i] = x[i+1];  x[i+1] = temp;
            }
}

int main() {
  int array_size = __VERIFIER_nondet_int();
  if (array_size < 1) {
     array_size = 1;
  }
  int* numbers = (int*) alloca(array_size * sizeof(int));
  sort(numbers, array_size);
  return 0;
}

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