Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:41:33 2013

Optimize a model with 340 rows, 11130 columns and 122340 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.23s
Presolved: 330 rows, 11120 columns, 112330 nonzeros
Variable types: 11020 continuous, 100 integer (100 binary)

Root relaxation: objective 2.387367e+04, 197 iterations, 0.01 seconds

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

     0     0 23873.6700    0    3          - 23873.6700     -      -    0s
     0     0 23873.7405    0    3          - 23873.7405     -      -    0s
     0     0 23939.7858    0    3          - 23939.7858     -      -    0s
     0     0 23947.6963    0    3          - 23947.6963     -      -    0s
     0     0 23947.6963    0    3          - 23947.6963     -      -    0s
     0     2 23947.7208    0    3          - 23947.7208     -      -    1s
*   18     8              18    23957.666605 23947.7787  0.04%   6.2    1s
*   40     3               8    23950.729889 23950.7229  0.00%   4.5    1s

Cutting planes:
  Flow cover: 1

Explored 41 nodes (583 simplex iterations) in 1.87 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072988868e+04, best bound 2.395072290582e+04, gap 0.0000%