Version: 1.15 
 verifypn-linux64 dataND/zoo_json_MF/Surfnet_4.json -E -C -R -O -V Low
DFA generation time: 0.021 seconds 
DFA states: 3 
DFA transitions: 177
Problem file: dataND/zoo_json_MF/Surfnet_4.json
Switches to update: 128

Decomposed topology into 16 subproblems
Topological decomposition took 0.094 seconds
Subproblem 0 unsolvable!
Subproblem verification time: 0.179 seconds
Problem is unsolvable!
Total program runtime: 0.654 seconds

real 1.01
user 1.76
sys 0.17
