Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:23 2013

Optimize a model with 570 rows, 760 columns and 2505 nonzeros
Presolve removed 15 rows and 10 columns
Presolve time: 0.02s
Presolved: 555 rows, 750 columns, 1990 nonzeros
Variable types: 505 continuous, 245 integer (245 binary)

Root relaxation: objective 9.876190e+03, 214 iterations, 0.00 seconds

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

     0     0 9876.18952    0    1          - 9876.18952     -      -    0s
     0     0 9911.60180    0    3          - 9911.60180     -      -    0s
     0     0 9927.62054    0    2          - 9927.62054     -      -    0s
H    0     0                    10042.976146 9927.62054  1.15%     -    0s
     0     0 9927.62054    0    1 10042.9761 9927.62054  1.15%     -    0s
     0     0 9927.62054    0    4 10042.9761 9927.62054  1.15%     -    0s
     0     0 9927.98098    0    4 10042.9761 9927.98098  1.15%     -    0s
     0     2 9930.75151    0    4 10042.9761 9930.75151  1.12%     -    0s
H    9     7                    9947.4954487 9939.82676  0.08%   4.3    0s
*   10     4              10    9943.7097344 9942.51362  0.01%   4.5    0s
*   21     6              10    9942.9596239 9942.67557  0.00%   3.3    0s

Cutting planes:
  Gomory: 2
  Flow cover: 3

Explored 22 nodes (513 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942675569790e+03, gap 0.0029%