code: def omp_critical():
      sum = 0
      if "omp parallel":
          mysum = 0
          "omp for"
          for i in range(1000):
              mysum += i
          "omp critical"
          sum += mysum
      return sum == 999 * 1000 / 2
  
label_desc: Use image node_id 1 for calling a global function with example usage: omp_critical() and returns: unknown