Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:46:23 2013

Optimize a model with 1050 rows, 25650 columns and 52000 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.26s
Presolved: 950 rows, 25550 columns, 51650 nonzeros
Variable types: 25350 continuous, 200 integer (200 binary)

Root relaxation: objective 2.198499e+05, 2116 iterations, 0.08 seconds

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

     0     0 219849.939    0    2          - 219849.939     -      -    0s
H    0     0                    234133.82037 219849.939  6.10%     -    0s
     0     0 219872.353    0    2 234133.820 219872.353  6.09%     -    0s
     0     0 219882.947    0    2 234133.820 219882.947  6.09%     -    0s
     0     0 219885.085    0    2 234133.820 219885.085  6.09%     -    0s
     0     0 219889.410    0    2 234133.820 219889.410  6.08%     -    0s
     0     0 219894.109    0    2 234133.820 219894.109  6.08%     -    0s
     0     0 219894.988    0    2 234133.820 219894.988  6.08%     -    0s
     0     0 219897.984    0    2 234133.820 219897.984  6.08%     -    0s
     0     0 219897.984    0    2 234133.820 219897.984  6.08%     -    1s
     0     2 219909.558    0    2 234133.820 219909.558  6.08%     -    1s
H   27    16                    221800.08212 220232.553  0.71%  34.7    1s

Cutting planes:
  Flow cover: 7

Explored 70 nodes (5935 simplex iterations) in 2.78 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.218000821189e+05, best bound 2.218000821189e+05, gap 0.0%