Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:00:11 2013

Optimize a model with 25800 rows, 75150 columns and 225250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 1.00s
Presolved: 25750 rows, 75100 columns, 200200 nonzeros
Variable types: 50100 continuous, 25000 integer (25000 binary)

Root relaxation: objective 2.252562e+05, 5186 iterations, 0.28 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     -      -    3s
     0     0 225392.155    0   10          - 225392.155     -      -    3s
     0     0 225438.815    0    8          - 225438.815     -      -    3s
     0     0 225443.730    0    8          - 225443.730     -      -    4s
     0     0 225444.879    0    8          - 225444.879     -      -    4s
     0     0 225444.879    0    8          - 225444.879     -      -    4s
     0     0 225444.879    0    8          - 225444.879     -      -    5s
     0     2 225444.879    0    8          - 225444.879     -      -    9s
     3     5 226402.722    2    4          - 225450.033     -    373   10s
*   24     6              12    225915.15199 225915.152   0.0%   206   12s

Cutting planes:
  Gomory: 1
  Implied bound: 55
  Flow cover: 2

Explored 25 nodes (11298 simplex iterations) in 12.46 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%