Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:41 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 3.686271e+04, 2226 iterations, 0.42 seconds

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

     0     0 36862.7092    0   35          - 36862.7092     -      -    0s
H    0     0                    43116.000000 36862.7092  14.5%     -    0s
     0     0 41093.9552    0    2 43116.0000 41093.9552  4.69%     -    1s
H    0     0                    41530.973134 41093.9552  1.05%     -    1s
H    0     0                    41281.000000 41093.9552  0.45%     -    1s
     0     0 41130.8895    0    2 41281.0000 41130.8895  0.36%     -    1s
H    0     0                    41276.000000 41130.8895  0.35%     -    1s
*    0     0               0    41275.000000 41275.0000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Implied bound: 33

Explored 0 nodes (3241 simplex iterations) in 1.53 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.127500000000e+04, best bound 4.127500000000e+04, gap 0.0%