Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:53 2013

Optimize a model with 407 rows, 13727 columns and 27417 nonzeros
Presolve time: 0.02s
Presolved: 407 rows, 13727 columns, 27417 nonzeros
Variable types: 13690 continuous, 37 integer (37 binary)

Root relaxation: objective 3.741986e+04, 565 iterations, 0.01 seconds

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

     0     0 37419.8577    0    8          - 37419.8577     -      -    0s
H    0     0                    38588.000000 37419.8577  3.03%     -    0s
     0     0 37793.7112    0    5 38588.0000 37793.7112  2.06%     -    0s
     0     0 37815.3608    0    5 38588.0000 37815.3608  2.00%     -    0s
H    0     0                    38507.000000 37815.3608  1.80%     -    0s
H    0     0                    37867.000000 37815.3608  0.14%     -    0s
     0     0 37835.6709    0    5 37867.0000 37835.6709  0.08%     -    0s
     0     0 37838.0057    0    2 37867.0000 37838.0057  0.08%     -    0s
     0     0 37838.0057    0    2 37867.0000 37838.0057  0.08%     -    0s
     0     0 37838.0057    0    2 37867.0000 37838.0057  0.08%     -    0s
     0     0 37865.8000    0    1 37867.0000 37865.8000  0.00%     -    0s

Cutting planes:
  Implied bound: 63
  Flow cover: 4

Explored 0 nodes (792 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.786700000000e+04, best bound 3.786580000000e+04, gap 0.0032%