Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:31:56 2013

Optimize a model with 2400 rows, 103200 columns and 208100 nonzeros
Presolve removed 200 rows and 300 columns
Presolve time: 0.48s
Presolved: 2200 rows, 102900 columns, 205800 nonzeros
Variable types: 102000 continuous, 900 integer (900 binary)

Root relaxation: objective 8.258498e+05, 7892 iterations, 0.63 seconds

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

     0     0 825849.833    0    1          - 825849.833     -      -    1s
H    0     0                    834265.22341 825849.833  1.01%     -    1s
     0     0 825858.892    0    1 834265.223 825858.892  1.01%     -    1s
     0     0 825861.040    0    1 834265.223 825861.040  1.01%     -    1s
     0     0 825870.288    0    1 834265.223 825870.288  1.01%     -    2s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    2s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    2s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    2s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    2s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    3s
     0     0 825874.694    0    1 834265.223 825874.694  1.01%     -    3s
     0     2 825901.195    0    1 834265.223 825901.195  1.00%     -    3s
*    5     3               5    826102.66657 826102.667   0.0%  65.4    4s

Cutting planes:
  Flow cover: 9

Explored 6 nodes (8601 simplex iterations) in 4.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.261026665679e+05, best bound 8.261026665679e+05, gap 0.0%