Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:47 2013

Optimize a model with 385 rows, 12285 columns and 24535 nonzeros
Presolve time: 0.02s
Presolved: 385 rows, 12285 columns, 24535 nonzeros
Variable types: 12250 continuous, 35 integer (35 binary)

Root relaxation: objective 4.075495e+04, 724 iterations, 0.01 seconds

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

     0     0 40754.9487    0    2          - 40754.9487     -      -    0s
H    0     0                    40882.000000 40754.9487  0.31%     -    0s
     0     0 40863.3184    0    2 40882.0000 40863.3184  0.05%     -    0s
     0     0 40870.0377    0    1 40882.0000 40870.0377  0.03%     -    0s
     0     0 40872.2632    0    1 40882.0000 40872.2632  0.02%     -    0s
     0     0 40872.2632    0    1 40882.0000 40872.2632  0.02%     -    0s
     0     0 40872.2632    0    1 40882.0000 40872.2632  0.02%     -    0s
     0     0 40872.2632    0    1 40882.0000 40872.2632  0.02%     -    0s
     0     0 40874.0000    0    1 40882.0000 40874.0000  0.02%     -    0s
     0     0 40881.0380    0    1 40882.0000 40881.0380  0.00%     -    0s

Cutting planes:
  Implied bound: 37
  Flow cover: 1

Explored 0 nodes (826 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.088200000000e+04, best bound 4.088103797468e+04, gap 0.0024%