Version: 1.15 
 verifypn-linux64 data/zoo_json_cond_enf2/Ntt_1.json -R -O -V Low
DFA generation time: 0.018 seconds 
DFA states: 13 
DFA transitions: 49
Problem file: data/zoo_json_cond_enf2/Ntt_1.json
Switches to update: 4

Decomposed topology into 1 subproblems
Topological decomposition took 0.027 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 0.12 seconds
Problem is unsolvable!
Total program runtime: 0.597 seconds

real 1.00
user 1.87
sys 0.18
