Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:55:56 2013
Optimize a model with 2800 rows, 111000 columns and 292500 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.39s
Presolved: 2700 rows, 110900 columns, 282400 nonzeros
Variable types: 110200 continuous, 700 integer (700 binary)
Root relaxation: objective 9.053666e+05, 5736 iterations, 0.68 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 905366.638 0 6 - 905366.638 - - 1s
0 0 905391.881 0 6 - 905391.881 - - 2s
0 0 905414.270 0 6 - 905414.270 - - 2s
0 0 905416.000 0 6 - 905416.000 - - 2s
0 0 905416.202 0 6 - 905416.202 - - 3s
0 0 905419.567 0 6 - 905419.567 - - 3s
0 0 905420.224 0 6 - 905420.224 - - 3s
0 0 905420.363 0 6 - 905420.363 - - 4s
0 0 905420.516 0 6 - 905420.516 - - 4s
0 0 905420.516 0 6 - 905420.516 - - 5s
0 0 905420.516 0 6 - 905420.516 - - 6s
0 2 905479.226 0 6 - 905479.226 - - 11s
11 13 907662.577 10 6 - 905634.164 - 147 15s
* 35 15 34 908018.35356 905634.164 0.26% 57.3 17s
54 21 906593.972 4 3 908018.354 906469.912 0.17% 68.1 20s
82 24 907875.749 8 6 908018.354 907291.272 0.08% 83.7 25s
Cutting planes:
Flow cover: 15
Explored 130 nodes (18329 simplex iterations) in 28.67 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 9.080183535562e+05, best bound 9.079561461781e+05, gap 0.0069%