Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf1/York_4.json -T -R -O -V Low
DFA generation time: 0.025 seconds 
DFA states: 7 
DFA transitions: 341
Problem file: data/zoo_json_cond_enf1/York_4.json
Switches to update: 144

Decomposed topology into 1 subproblems
Topological decomposition took 0.0 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 0.983 seconds
Problem is unsolvable!
Total program runtime: 1.687 seconds

real 2.01
user 4.21
sys 0.26
