Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:49 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 3.715162e+04, 581 iterations, 0.01 seconds

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

     0     0 37151.6168    0    6          - 37151.6168     -      -    0s
H    0     0                    37641.000000 37151.6168  1.30%     -    0s
H    0     0                    37505.000000 37151.6168  0.94%     -    0s
     0     0 37438.0478    0    4 37505.0000 37438.0478  0.18%     -    0s
     0     0 37456.3333    0    2 37505.0000 37456.3333  0.13%     -    0s
     0     0 37456.3333    0    2 37505.0000 37456.3333  0.13%     -    0s
     0     0 37456.3333    0    6 37505.0000 37456.3333  0.13%     -    0s
     0     0 37456.3333    0    4 37505.0000 37456.3333  0.13%     -    0s
     0     0 37456.3333    0    2 37505.0000 37456.3333  0.13%     -    0s
     0     0 37456.3333    0    2 37505.0000 37456.3333  0.13%     -    0s
     0     0 37501.8167    0    2 37505.0000 37501.8167  0.01%     -    0s

Cutting planes:
  Implied bound: 48
  Flow cover: 1

Explored 0 nodes (1350 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.750500000000e+04, best bound 3.750181673882e+04, gap 0.0085%