Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:55:45 2013
Optimize a model with 1900 rows, 101700 columns and 204100 nonzeros
Presolve removed 200 rows and 300 columns
Presolve time: 0.70s
Presolved: 1700 rows, 101400 columns, 202800 nonzeros
Variable types: 101000 continuous, 400 integer (400 binary)
Root relaxation: objective 9.053666e+05, 7692 iterations, 0.91 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 905366.638 0 2 - 905366.638 - - 1s
H 0 0 969595.08113 905366.638 6.62% - 2s
0 0 905394.769 0 2 969595.081 905394.769 6.62% - 2s
H 0 0 909764.46606 905394.769 0.48% - 3s
0 0 905447.838 0 2 909764.466 905447.838 0.47% - 3s
0 0 905453.964 0 2 909764.466 905453.964 0.47% - 3s
0 0 905453.964 0 2 909764.466 905453.964 0.47% - 4s
0 0 905453.964 0 2 909764.466 905453.964 0.47% - 4s
0 0 905453.964 0 2 909764.466 905453.964 0.47% - 5s
0 0 905458.414 0 2 909764.466 905458.414 0.47% - 5s
0 0 905458.414 0 2 909764.466 905458.414 0.47% - 5s
0 0 905459.874 0 2 909764.466 905459.874 0.47% - 6s
0 0 905460.986 0 2 909764.466 905460.986 0.47% - 6s
0 0 905462.477 0 2 909764.466 905462.477 0.47% - 6s
0 0 905463.419 0 2 909764.466 905463.419 0.47% - 7s
0 0 905463.419 0 2 909764.466 905463.419 0.47% - 7s
0 2 905469.633 0 2 909764.466 905469.633 0.47% - 8s
* 13 8 12 907989.63518 906280.018 0.19% 73.4 9s
15 5 906520.968 1 1 907989.635 906520.968 0.16% 95.9 10s
49 2 907855.288 4 1 907989.635 907855.288 0.01% 111 15s
Cutting planes:
Flow cover: 22
Explored 52 nodes (15090 simplex iterations) in 15.32 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 9.079896351764e+05, best bound 9.079332137297e+05, gap 0.0062%