Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:52:27 2013

Optimize a model with 3300 rows, 30150 columns and 67750 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.36s
Presolved: 3250 rows, 30100 columns, 65200 nonzeros
Variable types: 27600 continuous, 2500 integer (2500 binary)

Root relaxation: objective 2.208160e+05, 3557 iterations, 0.15 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 220911.039    0    4          - 220911.039     -      -    0s
     0     0 220921.607    0    4          - 220921.607     -      -    0s
     0     0 220924.255    0    4          - 220924.255     -      -    1s
     0     0 220925.800    0    6          - 220925.800     -      -    1s
     0     0 220927.155    0    6          - 220927.155     -      -    1s
     0     0 220927.439    0    6          - 220927.439     -      -    1s
     0     0 220927.439    0    6          - 220927.439     -      -    1s
     0     0 220927.439    0    6          - 220927.439     -      -    1s
     0     0 220927.439    0    6          - 220927.439     -      -    1s
     0     2 220927.439    0    6          - 220927.439     -      -    2s
*   45    11              23    221476.95360 221237.990  0.11%  69.7    4s

Cutting planes:
  Gomory: 1
  Implied bound: 24
  Flow cover: 5

Explored 51 nodes (8125 simplex iterations) in 4.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.214769535973e+05, best bound 2.214758508658e+05, gap 0.0005%