source: CIVL/examples/omp/DataRaceBench/micro-benchmarks/plusplus-orig-yes.c@ af3b8e4

// Data race on outLen due to ++ operation.
// Adding private (outLen) can avoid race condition. But it is wrong semantically.
#include <stdlib.h>
#include <stdio.h>
int input[1000]; 
int output[1000];

int main()
{
  int i ;
  int inLen=1000 ; 
  int outLen = 0;


  for (i=0; i<inLen; ++i) 
    input[i]= i;  

#pragma omp parallel for
  for (i=0; i<inLen; ++i) 
  {
    output[outLen++] = input[i] ;
  }  


  printf("output[500]=%d\n",output[500]);

  return 0;
}