Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:39:32 2013

Optimize a model with 320 rows, 11350 columns and 122190 nonzeros
Presolve removed 10 rows and 250 columns
Presolve time: 0.25s
Presolved: 310 rows, 11100 columns, 112190 nonzeros
Variable types: 11010 continuous, 90 integer (90 binary)

Root relaxation: objective 2.387367e+04, 250 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    7          - 23873.6700     -      -    0s
     0     0 23873.8111    0    7          - 23873.8111     -      -    0s
     0     0 23947.6991    0    5          - 23947.6991     -      -    0s
     0     0 23947.6991    0    5          - 23947.6991     -      -    0s
H    0     0                    23952.559834 23947.6991  0.02%     -    1s
     0     2 23947.6991    0    5 23952.5598 23947.6991  0.02%     -    1s
*    8     2               6    23950.729782 23947.6991  0.01%  18.9    1s

Cutting planes:
  Flow cover: 1

Explored 11 nodes (797 simplex iterations) in 1.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.395072978172e+04, best bound 2.395072978172e+04, gap 0.0%