Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:06:07 2013

Optimize a model with 25800 rows, 75150 columns and 225250 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 1.02s
Presolved: 25750 rows, 75100 columns, 200200 nonzeros
Variable types: 50100 continuous, 25000 integer (25000 binary)

Root relaxation: objective 2.246016e+05, 4993 iterations, 0.40 seconds

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

     0     0 224601.597    0    2          - 224601.597     -      -    2s
     0     0 224602.483    0    2          - 224602.483     -      -    2s
     0     0 224602.794    0    6          - 224602.794     -      -    3s
     0     0 224633.742    0    2          - 224633.742     -      -    3s
     0     0 224640.266    0    2          - 224640.266     -      -    3s
     0     0 224640.266    0    2          - 224640.266     -      -    4s
H    0     0                    225281.46099 224640.266  0.28%     -    4s
     0     2 224640.266    0    2 225281.461 224640.266  0.28%     -    5s
*    8     1               4    224847.24808 224788.249  0.03%  63.4    6s

Cutting planes:
  Gomory: 2
  Implied bound: 17

Explored 17 nodes (6606 simplex iterations) in 6.70 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.248472480793e+05, best bound 2.248250373764e+05, gap 0.0099%