Version: 1.13 
 _ data/zoo_json_alt_waypoint4/Karen_2.json -f output/flip/data/zoo_json_alt_waypoint4/Karen_2.json.subpaths
Flip subpaths generated in 0.155 seconds!
real 0.79
user 0.79
sys 0.09
<logging.Logger object at 0x7f9fc9eef7d0>
W1217 12:33:38.798 3240187 flip.py:156] subpath ['18', '22', '21', '14', '2', '0', '1', '6', '43', '47', '46'] is superfluous, discarding it
W1217 12:33:38.798 3240187 flip.py:156] subpath ['2', '0', '1', '6', '43', '47', '46', '39', '27'] is superfluous, discarding it
W1217 12:33:38.798 3240187 flip.py:156] subpath ['14', '2', '0', '1', '6', '43', '47', '46', '39', '27'] is superfluous, discarding it
W1217 12:33:38.798 3240187 flip.py:156] subpath ['22', '21', '14', '2', '0', '1', '6', '43', '47', '46', '39', '27'] is superfluous, discarding it
Traceback (most recent call last):
  File "runflipwithdfa.py", line 39, in <module>
    main(jsonPath, subpathsPath)
  File "runflipwithdfa.py", line 30, in main
    order = flip.compute_sequence(graph)
  File "/nfs/home/student.aau.dk/rtollu18/dat7/FLIP/flip.py", line 1374, in compute_sequence
    storage.extract()
  File "/nfs/home/student.aau.dk/rtollu18/dat7/FLIP/flip.py", line 1009, in extract
    self.graph.initialize()
  File "/nfs/home/student.aau.dk/rtollu18/dat7/FLIP/flip.py", line 75, in initialize
    self.color_dag(self.final)
  File "/nfs/home/student.aau.dk/rtollu18/dat7/FLIP/flip.py", line 182, in color_dag
    'source %s is not green in %s graph' %(node, desc))
FLIP.flip.PreconditionFailedError: source 18 is not green in final graph
