Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:07 2013

Optimize a model with 429 rows, 15249 columns and 30459 nonzeros
Presolve time: 0.02s
Presolved: 429 rows, 15249 columns, 30459 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 3.822014e+04, 712 iterations, 0.01 seconds

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

     0     0 38220.1425    0    5          - 38220.1425     -      -    0s
H    0     0                    39234.000000 38220.1425  2.58%     -    0s
H    0     0                    38623.000000 38220.1425  1.04%     -    0s
     0     0 38503.4483    0    1 38623.0000 38503.4483  0.31%     -    0s
     0     0 38510.7368    0    1 38623.0000 38510.7368  0.29%     -    0s
     0     0 38511.4545    0    1 38623.0000 38511.4545  0.29%     -    0s
     0     0 38512.7500    0    1 38623.0000 38512.7500  0.29%     -    0s
     0     0 38512.7500    0    5 38623.0000 38512.7500  0.29%     -    0s
     0     0 38512.7500    0    1 38623.0000 38512.7500  0.29%     -    0s
     0     0 38512.7500    0    1 38623.0000 38512.7500  0.29%     -    0s
     0     0 38512.7500    0    1 38623.0000 38512.7500  0.29%     -    0s
     0     0 38512.7500    0    1 38623.0000 38512.7500  0.29%     -    0s
     0     2 38523.3939    0    1 38623.0000 38523.3939  0.26%     -    0s

Cutting planes:
  Implied bound: 21
  Flow cover: 2

Explored 4 nodes (1674 simplex iterations) in 0.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.862300000000e+04, best bound 3.862300000000e+04, gap 0.0%