Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:13:59 2013

Optimize a model with 1400 rows, 30500 columns and 96250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.13s
Presolved: 1350 rows, 30450 columns, 91200 nonzeros
Variable types: 30100 continuous, 350 integer (350 binary)

Root relaxation: objective 2.208160e+05, 2535 iterations, 0.08 seconds

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

     0     0 220815.985    0   12          - 220815.985     -      -    0s
     0     0 220835.932    0   12          - 220835.932     -      -    0s
     0     0 220837.397    0   12          - 220837.397     -      -    0s
     0     0 220837.397    0   12          - 220837.397     -      -    0s
     0     0 220837.397    0   12          - 220837.397     -      -    0s
     0     0 220837.397    0   12          - 220837.397     -      -    0s
     0     2 220844.810    0   12          - 220844.810     -      -    2s
*   34    15              31    221480.54406 220935.599  0.25%  31.7    3s
*   83    27              27    221479.79495 221206.964  0.12%  23.2    3s
*   85    24              26    221479.71981 221206.964  0.12%  22.7    3s

Cutting planes:
  Flow cover: 10

Explored 108 nodes (6029 simplex iterations) in 3.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.214797198129e+05, best bound 2.214603330789e+05, gap 0.0088%