Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:17:28 2013

Optimize a model with 800 rows, 25400 columns and 50850 nonzeros
Presolve removed 100 rows and 150 columns
Presolve time: 0.17s
Presolved: 700 rows, 25250 columns, 50500 nonzeros
Variable types: 25200 continuous, 50 integer (50 binary)

Root relaxation: objective 1.824192e+05, 1997 iterations, 0.10 seconds

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

     0     0 182419.206    0    1          - 182419.206     -      -    0s
H    0     0                    183912.50168 182419.206  0.81%     -    0s
     0     0 182445.503    0    2 183912.502 182445.503  0.80%     -    0s
     0     0 182457.494    0    2 183912.502 182457.494  0.79%     -    0s
     0     0 182475.587    0    2 183912.502 182475.587  0.78%     -    0s
     0     0 182487.830    0    2 183912.502 182487.830  0.77%     -    0s
     0     0 182490.987    0    2 183912.502 182490.987  0.77%     -    0s
     0     0 182494.468    0    3 183912.502 182494.468  0.77%     -    0s
     0     0 182498.750    0    2 183912.502 182498.750  0.77%     -    0s
     0     0 182499.387    0    2 183912.502 182499.387  0.77%     -    1s
     0     0 182499.836    0    2 183912.502 182499.836  0.77%     -    1s
     0     0 182501.924    0    2 183912.502 182501.924  0.77%     -    1s
     0     0 182501.924    0    2 183912.502 182501.924  0.77%     -    1s
     0     0 182501.924    0    2 183912.502 182501.924  0.77%     -    1s
     0     2 182506.222    0    2 183912.502 182506.222  0.76%     -    1s
*    7     2               6    182845.28394 182723.712  0.07%  38.6    1s

Cutting planes:
  Flow cover: 16

Explored 10 nodes (2682 simplex iterations) in 1.64 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.828452839414e+05, best bound 1.828452839414e+05, gap 0.0%