Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf2/Istar_2.json -T -R -O -V Low
DFA generation time: 0.028 seconds 
DFA states: 19 
DFA transitions: 93
Problem file: data/zoo_json_cond_enf2/Istar_2.json
Switches to update: 4

Decomposed topology into 1 subproblems
Topological decomposition took 0.0 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 0.067 seconds
Problem is unsolvable!
Total program runtime: 0.542 seconds

real 0.85
user 1.88
sys 0.12
