Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:03 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 3.674208e+04, 2340 iterations, 0.38 seconds

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

     0     0 36742.0833    0   30          - 36742.0833     -      -    0s
H    0     0                    43935.000000 36742.0833  16.4%     -    0s
     0     0 41112.7320    0    4 43935.0000 41112.7320  6.42%     -    1s
H    0     0                    43187.595720 41112.7320  4.80%     -    1s
H    0     0                    41599.000000 41112.7320  1.17%     -    1s
H    0     0                    41529.000000 41112.7320  1.00%     -    1s
     0     0 41160.3992    0    2 41529.0000 41160.3992  0.89%     -    1s
H    0     0                    41294.000000 41160.3992  0.32%     -    1s
     0     0 41165.1098    0    2 41294.0000 41165.1098  0.31%     -    1s
     0     0     cutoff    0      41294.0000 41294.0000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Implied bound: 33

Explored 0 nodes (3598 simplex iterations) in 1.54 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.129400000000e+04, best bound 4.129400000000e+04, gap 0.0%