Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:12:37 2013

Optimize a model with 5800 rows, 35150 columns and 85250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.22s
Presolved: 5750 rows, 35100 columns, 80200 nonzeros
Variable types: 30100 continuous, 5000 integer (5000 binary)

Root relaxation: objective 2.208160e+05, 3337 iterations, 0.12 seconds

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

     0     0 220815.985    0    8          - 220815.985     -      -    0s
     0     0 220921.619    0    4          - 220921.619     -      -    0s
     0     0 220932.803    0    6          - 220932.803     -      -    0s
     0     0 220935.333    0    6          - 220935.333     -      -    0s
     0     0 220935.333    0    6          - 220935.333     -      -    0s
     0     0 220937.219    0    6          - 220937.219     -      -    1s
     0     0 220939.881    0    6          - 220939.881     -      -    1s
     0     0 220940.135    0    6          - 220940.135     -      -    1s
     0     0 220940.135    0    6          - 220940.135     -      -    1s
     0     2 220940.135    0    6          - 220940.135     -      -    2s
*   48    12              24    221476.97512 221236.806  0.11%  82.2    4s

Cutting planes:
  Gomory: 1
  Implied bound: 32
  Flow cover: 3

Explored 54 nodes (8728 simplex iterations) in 4.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.214769751213e+05, best bound 2.214758508658e+05, gap 0.0005%