Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:29 2013

Optimize a model with 418 rows, 14478 columns and 28918 nonzeros
Presolve time: 0.02s
Presolved: 418 rows, 14478 columns, 28918 nonzeros
Variable types: 14440 continuous, 38 integer (38 binary)

Root relaxation: objective 3.860896e+04, 628 iterations, 0.01 seconds

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

     0     0 38608.9619    0    5          - 38608.9619     -      -    0s
H    0     0                    39635.000000 38608.9619  2.59%     -    0s
H    0     0                    38917.000000 38608.9619  0.79%     -    0s
     0     0 38800.1504    0    3 38917.0000 38800.1504  0.30%     -    0s
     0     0 38814.2419    0    1 38917.0000 38814.2419  0.26%     -    0s
     0     0 38814.9516    0    1 38917.0000 38814.9516  0.26%     -    0s
     0     0 38818.8548    0    1 38917.0000 38818.8548  0.25%     -    0s
H    0     0                    38834.000000 38818.8548  0.04%     -    0s
     0     0 38821.3710    0    1 38834.0000 38821.3710  0.03%     -    0s
     0     0 38823.8047    0    2 38834.0000 38823.8047  0.03%     -    0s
     0     0 38823.8333    0    1 38834.0000 38823.8333  0.03%     -    0s
     0     0 38828.0650    0    2 38834.0000 38828.0650  0.02%     -    0s
     0     0     cutoff    0      38834.0000 38834.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 24
  Flow cover: 1

Explored 0 nodes (773 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.883400000000e+04, best bound 3.883400000000e+04, gap 0.0%