Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:46 2013

Optimize a model with 18144 rows, 17724 columns and 70644 nonzeros
Presolve removed 42 rows and 0 columns
Presolve time: 0.08s
Presolved: 18102 rows, 17724 columns, 70602 nonzeros
Variable types: 17682 continuous, 42 integer (42 binary)

Root relaxation: objective 3.458593e+04, 2196 iterations, 0.32 seconds

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

     0     0 34585.9272    0   32          - 34585.9272     -      -    0s
H    0     0                    42651.000000 34585.9272  18.9%     -    0s
     0     0 38367.4977    0   11 42651.0000 38367.4977  10.0%     -    1s
H    0     0                    40439.000000 38367.4977  5.12%     -    1s
     0     0 38477.6991    0    4 40439.0000 38477.6991  4.85%     -    1s
H    0     0                    39877.000000 38477.6991  3.51%     -    1s
H    0     0                    38739.000000 38477.6991  0.67%     -    1s
     0     2 38658.3592    0    2 38739.0000 38658.3592  0.21%     -    1s

Cutting planes:
  Implied bound: 35

Explored 5 nodes (3358 simplex iterations) in 1.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.873900000000e+04, best bound 3.873900000000e+04, gap 0.0%