Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:19:34 2013

Optimize a model with 800 rows, 25300 columns and 50700 nonzeros
Presolve removed 50 rows and 50 columns
Presolve time: 0.08s
Presolved: 750 rows, 25250 columns, 50550 nonzeros
Variable types: 25200 continuous, 50 integer (50 binary)

Root relaxation: objective 2.246016e+05, 1805 iterations, 0.06 seconds

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

     0     0 224601.597    0    1          - 224601.597     -      -    0s
H    0     0                    225547.53148 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     0 224601.597    0    1 225547.531 224601.597  0.42%     -    0s
     0     2 224703.255    0    1 225547.531 224703.255  0.37%     -    0s
*    3     1               2    224847.24808 224847.248   0.0%  83.7    0s

Cutting planes:
  Flow cover: 2

Explored 4 nodes (2459 simplex iterations) in 0.70 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.248472480793e+05, best bound 2.248472480793e+05, gap 0.0%