Version: 1.13 
 _ data/zoo_json_alt_waypoint4/Arpanet19723_1.json -f output/flip/data/zoo_json_alt_waypoint4/Arpanet19723_1.json.subpaths
Flip subpaths generated in 0.151 seconds!
real 0.70
user 0.79
sys 0.06
<logging.Logger object at 0x7f59a6a3f7d0>
W1217 12:31:44.733 2595502 flip.py:156] subpath ['19', '12', '14', '21', '8', '15', '16', '7', '4'] 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 179, in color_dag
    'destination %s is not white in %s graph' %(self.dst, desc))
FLIP.flip.PreconditionFailedError: destination 5 is not white in final graph
