Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:30:45 2013

Optimize a model with 1600 rows, 100700 columns and 201900 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.24s
Presolved: 1500 rows, 100600 columns, 201500 nonzeros
Variable types: 100500 continuous, 100 integer (100 binary)

Root relaxation: objective 8.258498e+05, 6229 iterations, 0.93 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                    827466.93672 825849.833  0.20%     -    1s
     0     0 825858.298    0    1 827466.937 825858.298  0.19%     -    1s
     0     0 825860.446    0    1 827466.937 825860.446  0.19%     -    2s
     0     0 825869.694    0    1 827466.937 825869.694  0.19%     -    2s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    2s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    3s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    3s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    3s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    4s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    4s
     0     0 825874.100    0    1 827466.937 825874.100  0.19%     -    4s
     0     2 825888.833    0    1 827466.937 825888.833  0.19%     -    5s
*    3     2               3    826102.66657 826102.667   0.0%   142    6s

Cutting planes:
  Flow cover: 9

Explored 4 nodes (7860 simplex iterations) in 6.13 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%