Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:56:36 2013

Optimize a model with 2800 rows, 111000 columns and 292500 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.33s
Presolved: 2700 rows, 110900 columns, 282400 nonzeros
Variable types: 110200 continuous, 700 integer (700 binary)

Root relaxation: objective 8.258498e+05, 5779 iterations, 0.43 seconds

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

     0     0 825849.833    0    3          - 825849.833     -      -    0s
H    0     0                    868999.07072 825849.833  4.97%     -    1s
     0     0 825853.009    0    3 868999.071 825853.009  4.97%     -    1s
     0     0 825853.009    0    3 868999.071 825853.009  4.97%     -    1s
     0     0 825853.910    0    3 868999.071 825853.910  4.96%     -    2s
     0     0 825856.515    0    3 868999.071 825856.515  4.96%     -    2s
     0     0 825864.473    0    5 868999.071 825864.473  4.96%     -    2s
     0     0 825865.123    0    5 868999.071 825865.123  4.96%     -    3s
     0     0 825865.123    0    5 868999.071 825865.123  4.96%     -    4s
     0     2 825867.007    0    5 868999.071 825867.007  4.96%     -    5s
*    6     3               6    826102.66657 825989.224  0.01%  92.7    6s

Cutting planes:
  Flow cover: 6

Explored 9 nodes (7359 simplex iterations) in 7.03 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%