Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:23:53 2013

Optimize a model with 1870 rows, 289170 columns and 578170 nonzeros
Presolve time: 0.81s
Presolved: 1870 rows, 289170 columns, 578170 nonzeros
Variable types: 289000 continuous, 170 integer (170 binary)

Root relaxation: objective 2.981320e+05, 9954 iterations, 0.98 seconds

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

     0     0 298132.023    0    6          - 298132.023     -      -    2s
H    0     0                    326234.00000 298132.023  8.61%     -    2s
     0     0 298320.378    0    6 326234.000 298320.378  8.56%     -    3s
     0     0 298364.522    0    5 326234.000 298364.522  8.54%     -    4s
     0     0 298387.681    0    5 326234.000 298387.681  8.54%     -    5s
     0     0 298396.470    0    4 326234.000 298396.470  8.53%     -    6s
H    0     0                    317052.62331 298396.470  5.88%     -    6s
H    0     0                    315940.00000 298396.470  5.55%     -    6s
     0     0 298396.470    0    4 315940.000 298396.470  5.55%     -    6s
     0     0 298401.836    0    4 315940.000 298401.836  5.55%     -    7s
H    0     0                    315934.00000 298401.836  5.55%     -    7s
     0     0 298410.794    0    4 315934.000 298410.794  5.55%     -    8s
     0     0 298421.654    0    4 315934.000 298421.654  5.54%     -    8s
H    0     0                    315818.00000 298421.654  5.51%     -    8s
     0     0 298424.485    0    4 315818.000 298424.485  5.51%     -    9s
     0     0 298424.485    0    4 315818.000 298424.485  5.51%     -    9s
H    0     0                    315741.00000 298424.485  5.48%     -   10s
     0     0 298427.584    0    4 315741.000 298427.584  5.48%     -   10s
     0     0 298427.584    0    4 315741.000 298427.584  5.48%     -   11s
     0     0 298427.584    0    4 315741.000 298427.584  5.48%     -   11s
     0     0 298427.584    0    4 315741.000 298427.584  5.48%     -   12s
H    0     0                    313602.00000 298427.584  4.84%     -   15s
     0     2 298440.070    0    4 313602.000 298440.070  4.83%     -   15s
H    1     1                    308226.84573 298440.070  3.18%   0.0   15s
H    2     2                    306452.67399 298522.023  2.59%   146   16s
H   10    10                    302585.00000 298603.832  1.32%   113   17s
H   11    11                    300680.00000 298603.832  0.69%   105   18s
H   13    11                    299358.00000 298603.832  0.25%   103   18s
*   25     9              24    298758.00000 298603.832  0.05%  56.9   19s

Cutting planes:
  Implied bound: 150
  Flow cover: 3

Explored 33 nodes (12712 simplex iterations) in 19.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.987580000000e+05, best bound 2.987340000000e+05, gap 0.0080%