Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:13 2013

Optimize a model with 2600 rows, 2550 columns and 10050 nonzeros
Presolve removed 50 rows and 1 columns
Presolve time: 0.01s
Presolved: 2550 rows, 2549 columns, 9949 nonzeros
Variable types: 2500 continuous, 49 integer (49 binary)

Root relaxation: objective 8.943635e+05, 275 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 894363.488    0    5          - 894363.488     -      -    0s
H    0     0                    907150.12500 894363.488  1.41%     -    0s
H    0     0                    895857.82500 894363.488  0.17%     -    0s
H    0     0                    895302.32500 894363.488  0.10%     -    0s
     0     0 894585.532    0    5 895302.325 894585.532  0.08%     -    0s
     0     0 894585.532    0    5 895302.325 894585.532  0.08%     -    0s
     0     0 895033.108    0    5 895302.325 895033.108  0.03%     -    0s
     0     0 895045.043    0    3 895302.325 895045.043  0.03%     -    0s
     0     0 895146.458    0    3 895302.325 895146.458  0.02%     -    0s
     0     0 895255.775    0    2 895302.325 895255.775  0.01%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 0 nodes (348 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.953023250000e+05, best bound 8.952557750000e+05, gap 0.0052%