Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:12:56 2013

Optimize a model with 5800 rows, 35150 columns and 85250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.24s
Presolved: 5750 rows, 35100 columns, 80200 nonzeros
Variable types: 30100 continuous, 5000 integer (5000 binary)

Root relaxation: objective 2.198499e+05, 4006 iterations, 0.17 seconds

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

     0     0 219849.939    0    4          - 219849.939     -      -    0s
     0     0 219898.990    0    3          - 219898.990     -      -    0s
     0     0 219926.517    0    2          - 219926.517     -      -    0s
     0     0 219929.767    0    2          - 219929.767     -      -    1s
     0     0 219930.534    0    2          - 219930.534     -      -    1s
     0     0 219930.782    0    2          - 219930.782     -      -    1s
     0     0 219930.782    0    2          - 219930.782     -      -    1s
     0     2 219930.782    0    2          - 219930.782     -      -    2s
*   53    35              27    223216.56558 220954.842  1.01%  77.6    4s
    66    33 222475.399   38    2 223216.566 220954.842  1.01%  64.8    5s
*   79    20              51    222622.35999 220954.842  0.75%  56.9    5s
H  108    12                    222041.83665 221014.973  0.46%  49.7    6s
*  133    13              51    221993.93309 221014.973  0.44%  40.9    6s
*  144    15              60    221990.70522 221014.973  0.44%  38.0    7s
*  149    13              61    221990.67135 221014.973  0.44%  36.8    7s
*  189     4              31    221988.53157 221927.769  0.03%  35.6    7s

Cutting planes:
  Gomory: 1
  Implied bound: 63
  Flow cover: 1

Explored 201 nodes (11705 simplex iterations) in 7.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.219885315694e+05, best bound 2.219885315694e+05, gap 0.0%