Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:12 2013

Optimize a model with 18102 rows, 17682 columns and 70602 nonzeros
Presolve removed 347 rows and 0 columns
Presolve time: 0.10s
Presolved: 17755 rows, 17682 columns, 69908 nonzeros
Variable types: 17640 continuous, 42 integer (42 binary)

Root relaxation: objective 4.219942e+04, 2631 iterations, 0.20 seconds

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

     0     0 42199.4203    0    2          - 42199.4203     -      -    0s
H    0     0                    42239.000000 42199.4203  0.09%     -    0s
     0     0 42216.1905    0    2 42239.0000 42216.1905  0.05%     -    0s
     0     0 42234.5814    0    1 42239.0000 42234.5814  0.01%     -    0s

Cutting planes:
  Gomory: 2

Explored 0 nodes (2737 simplex iterations) in 0.58 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.223900000000e+04, best bound 4.223900000000e+04, gap 0.0%