Gurobi 5.0.1 (linux64) logging started Fri Jan 18 08:02:05 2013

Optimize a model with 50800 rows, 125150 columns and 400250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 1.04s
Presolved: 50750 rows, 125100 columns, 350200 nonzeros
Variable types: 75100 continuous, 50000 integer (50000 binary)

Root relaxation: objective 2.252562e+05, 5130 iterations, 0.39 seconds

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

     0     0 225256.157    0    2          - 225256.157     -      -    6s
     0     0 225376.261    0    8          - 225376.261     -      -    7s
     0     0 225409.126    0    6          - 225409.126     -      -    7s
     0     0 225409.862    0    6          - 225409.862     -      -    8s
     0     0 225409.862    0    6          - 225409.862     -      -    9s
     0     2 225409.862    0    6          - 225409.862     -      -   17s
    11    13 225897.140    6    2          - 225896.029     -    262   20s
*   22     6              11    225915.15199 225915.152   0.0%   202   22s

Cutting planes:
  Gomory: 1
  Implied bound: 21
  Flow cover: 1

Explored 23 nodes (10960 simplex iterations) in 22.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%