Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf2/Columbus_2.json -T -R -O -V Low
DFA generation time: 0.039 seconds 
DFA states: 19 
DFA transitions: 333
Problem file: data/zoo_json_cond_enf2/Columbus_2.json
Switches to update: 66

Decomposed topology into 1 subproblems
Topological decomposition took 0.0 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 0.515 seconds
Problem is unsolvable!
Total program runtime: 1.157 seconds

real 1.48
user 2.76
sys 0.23
