Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:54 2013

Optimize a model with 15639 rows, 15249 columns and 60879 nonzeros
Presolve removed 2229 rows and 0 columns
Presolve time: 0.09s
Presolved: 13410 rows, 15249 columns, 56421 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 3.851275e+04, 2048 iterations, 0.13 seconds

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

     0     0 38512.7500    0    1          - 38512.7500     -      -    0s
H    0     0                    38630.000000 38512.7500  0.30%     -    0s
H    0     0                    38623.000000 38512.7500  0.29%     -    0s
     0     0 38514.2579    0    2 38623.0000 38514.2579  0.28%     -    0s
     0     0 38574.0909    0    1 38623.0000 38574.0909  0.13%     -    0s
     0     0     cutoff    0      38623.0000 38623.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (2137 simplex iterations) in 0.48 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.862300000000e+04, best bound 3.862300000000e+04, gap 0.0%