Function foo

    line 904
    FAILED to compute RF
      line 904
      FAILED to compute RF
        line 939
        FAILED to compute RF
        line 1074
        FAILED to compute RF
        line 1022
        FAILED to compute RF
          line 1056
          FAILED to compute RF
          line 1036
          FAILED to compute RF
        line 975
        FAILED to compute RF
        line 136
        FAILED to compute RF
        line 86
        FAILED to compute RF
          line 118
          FAILED to compute RF
          line 100
          FAILED to compute RF
        line 70
        FAILED to compute RF
        line 23
        FAILED to compute RF
        line 1138
        FAILED to compute RF
    line 182
    FAILED to compute RF
      line 182
      FAILED to compute RF
      line 285
      FAILED to compute RF
      line 235
      FAILED to compute RF
        line 267
        FAILED to compute RF
        line 249
        FAILED to compute RF
      line 219
      FAILED to compute RF
    line 309
    FAILED to compute RF
      line 309
      FAILED to compute RF
        line 429
        FAILED to compute RF
        line 327
        FAILED to compute RF
      line 411
      FAILED to compute RF
      line 359
      FAILED to compute RF
        line 393
        FAILED to compute RF
        line 373
        FAILED to compute RF
    line 447
    FAILED to compute RF
      line 461
      FAILED to compute RF
        line 792
        FAILED to compute RF
          line 882
          FAILED to compute RF
          line 824
          FAILED to compute RF
        line 479
        FAILED to compute RF
        line 576
        FAILED to compute RF
          line 633
          FAILED to compute RF
      line 683
      FAILED to compute RF