Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:59:43 2013

Optimize a model with 451 rows, 16851 columns and 33661 nonzeros
Presolve time: 0.02s
Presolved: 451 rows, 16851 columns, 33661 nonzeros
Variable types: 16810 continuous, 41 integer (41 binary)

Root relaxation: objective 3.980023e+04, 783 iterations, 0.02 seconds

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

     0     0 39800.2290    0    5          - 39800.2290     -      -    0s
H    0     0                    40202.000000 39800.2290  1.00%     -    0s
     0     0 40073.5799    0    3 40202.0000 40073.5799  0.32%     -    0s
     0     0 40076.9787    0    3 40202.0000 40076.9787  0.31%     -    0s
H    0     0                    40161.000000 40076.9787  0.21%     -    0s
     0     0 40078.0500    0    3 40161.0000 40078.0500  0.21%     -    0s
     0     0 40079.9500    0    3 40161.0000 40079.9500  0.20%     -    0s
     0     0 40079.9500    0    5 40161.0000 40079.9500  0.20%     -    0s
     0     0 40079.9500    0    3 40161.0000 40079.9500  0.20%     -    0s
     0     0 40079.9500    0    3 40161.0000 40079.9500  0.20%     -    0s
     0     0 40079.9500    0    3 40161.0000 40079.9500  0.20%     -    0s
     0     0 40079.9500    0    3 40161.0000 40079.9500  0.20%     -    0s
     0     0 40080.8500    0    3 40161.0000 40080.8500  0.20%     -    0s
     0     0 40080.8611    0    3 40161.0000 40080.8611  0.20%     -    0s
     0     0 40080.9643    0    3 40161.0000 40080.9643  0.20%     -    0s
     0     2 40083.0543    0    3 40161.0000 40083.0543  0.19%     -    0s
*    5     2               5    40120.000000 40120.0000   0.0%   4.0    0s

Cutting planes:
  Implied bound: 37
  Flow cover: 4

Explored 6 nodes (1712 simplex iterations) in 0.43 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.012000000000e+04, best bound 4.012000000000e+04, gap 0.0%