checking package dependencies
compiling GreaterThanLow.bsv
code generation for sysLevelFIFOTest starts
Error: "FIFOLevel.bsv", line 424, column 34: (S0015)
  Bluespec evaluation-time error: Argument of isGreaterThan must be in the
  range of 0 to 6; -1 is out of range.
  During elaboration of the body of rule `print_levels' at
  "GreaterThanLow.bsv", line 21, column 8.
  During elaboration of `sysLevelFIFOTest' at "GreaterThanLow.bsv", line 5,
  column 8.