Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf2/York_4.json -T -R -O -V Low
DFA generation time: 0.046 seconds 
DFA states: 19 
DFA transitions: 693
Problem file: data/zoo_json_cond_enf2/York_4.json
Switches to update: 144

Decomposed topology into 1 subproblems
Topological decomposition took 0.0 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 1.084 seconds
Problem is unsolvable!
Total program runtime: 1.978 seconds

real 2.30
user 4.77
sys 0.42
