Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:48:05 2013

Optimize a model with 11600 rows, 120300 columns and 270500 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.65s
Presolved: 11500 rows, 120200 columns, 260400 nonzeros
Variable types: 110200 continuous, 10000 integer (10000 binary)

Root relaxation: objective 8.258498e+05, 9201 iterations, 0.96 seconds

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

     0     0 825849.833    0    2          - 825849.833     -      -    1s
H    0     0                    868999.07072 825849.833  4.97%     -    2s
     0     0 825858.696    0    2 868999.071 825858.696  4.96%     -    3s
     0     0 825863.938    0    2 868999.071 825863.938  4.96%     -    3s
     0     0 825864.829    0    2 868999.071 825864.829  4.96%     -    3s
     0     0 825865.007    0    2 868999.071 825865.007  4.96%     -    4s
     0     0 825865.007    0    2 868999.071 825865.007  4.96%     -    5s
     0     2 825865.007    0    2 868999.071 825865.007  4.96%     -    5s
*    8     6               4    826102.66657 826102.667   0.0%   338    7s

Cutting planes:
  Implied bound: 6
  Flow cover: 1

Explored 9 nodes (13280 simplex iterations) in 7.87 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 0.0000%