...10000 constraints.
...20000 constraints.
...30000 constraints.
T SUM NUM_NODES 403314
T SUM NUM_PRUNES 0
T SUM SEARCH_TIME 55.194575

Solving normal LP:
Solving with barrier method...done!
CPXlpopt ended with lpstat 1!
Maximum error with w : 0 / 1 == 0.000000
Maximum error without w : 0 / 1 == 0.000000
LP is feasible.
Optimum Value: 0.307692 == 4 / 13.
