Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf2/Columbus_4.json -R -O -V Low
DFA generation time: 0.04 seconds 
DFA states: 19 
DFA transitions: 981
Problem file: data/zoo_json_cond_enf2/Columbus_4.json
Switches to update: 160

Decomposed topology into 8 subproblems
Topological decomposition took 0.152 seconds
Subproblem verification time: 0.205 seconds
Subproblem verification time: 0.031 seconds
Subproblem verification time: 0.037 seconds
Subproblem verification time: 0.034 seconds
Subproblem verification time: 0.039 seconds
Subproblem verification time: 0.03 seconds
Subproblem 6 unsolvable!
Subproblem verification time: 0.031 seconds
Problem is unsolvable!
Total program runtime: 1.22 seconds

real 1.56
user 3.26
sys 0.36
