Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:10 2013

Optimize a model with 17302 rows, 16892 columns and 67322 nonzeros
Presolve removed 41 rows and 0 columns
Presolve time: 0.07s
Presolved: 17261 rows, 16892 columns, 67281 nonzeros
Variable types: 16851 continuous, 41 integer (41 binary)

Root relaxation: objective 3.684994e+04, 2180 iterations, 0.40 seconds

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

     0     0 36849.9414    0   30          - 36849.9414     -      -    0s
H    0     0                    43755.000000 36849.9414  15.8%     -    0s
     0     0 40763.9011    0    4 43755.0000 40763.9011  6.84%     -    1s
H    0     0                    42866.483043 40763.9011  4.90%     -    1s
H    0     0                    42359.000000 40763.9011  3.77%     -    1s
     0     0 41046.0472    0    4 42359.0000 41046.0472  3.10%     -    1s
H    0     0                    42309.702930 41046.0472  2.99%     -    1s
H    0     0                    41418.000000 41046.0472  0.90%     -    1s
     0     0 41120.2329    0    1 41418.0000 41120.2329  0.72%     -    1s
     0     0 41163.6854    0    1 41418.0000 41163.6854  0.61%     -    1s
     0     2 41174.3389    0    1 41418.0000 41174.3389  0.59%     -    1s
*    9     1               4    41415.000000 41350.9437  0.15%  46.7    2s
*   10     0               1    41358.000000 41358.0000   0.0%  51.8    2s

Cutting planes:
  Implied bound: 34

Explored 11 nodes (4065 simplex iterations) in 2.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.135800000000e+04, best bound 4.135800000000e+04, gap 0.0%