Function foo

    line 26
    FAILED to compute RF
      line 8
      FAILED to compute RF
      line 159
      FAILED to compute RF
        line 159
        FAILED to compute RF
      line 44
      FAILED to compute RF
      line 85
      FAILED to compute RF
        line 85
        FAILED to compute RF
        line 141
        FAILED to compute RF
        line 125
        FAILED to compute RF