Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:05 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 3.603185e+04, 2249 iterations, 0.46 seconds

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

     0     0 36031.8505    0   35          - 36031.8505     -      -    0s
H    0     0                    44650.000000 36031.8505  19.3%     -    0s
     0     0 42359.9583    0    2 44650.0000 42359.9583  5.13%     -    1s
H    0     0                    42848.717593 42359.9583  1.14%     -    1s
H    0     0                    42623.000000 42359.9583  0.62%     -    1s
H    0     0                    42393.000000 42359.9583  0.08%     -    1s
     0     0 42361.0000    0    1 42393.0000 42361.0000  0.08%     -    1s
     0     2 42373.0000    0    1 42393.0000 42373.0000  0.05%     -    1s

Cutting planes:
  Implied bound: 34

Explored 2 nodes (3179 simplex iterations) in 1.58 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.239300000000e+04, best bound 4.238995400697e+04, gap 0.0072%