Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:55 2013

Optimize a model with 15639 rows, 15249 columns and 60879 nonzeros
Presolve removed 895 rows and 0 columns
Presolve time: 0.08s
Presolved: 14744 rows, 15249 columns, 59089 nonzeros
Variable types: 15210 continuous, 39 integer (39 binary)

Root relaxation: objective 3.844336e+04, 2318 iterations, 0.16 seconds

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

     0     0 38443.3616    0    3          - 38443.3616     -      -    0s
H    0     0                    38639.000000 38443.3616  0.51%     -    0s
H    0     0                    38467.000000 38443.3616  0.06%     -    0s
     0     0 38449.9504    0    4 38467.0000 38449.9504  0.04%     -    0s
     0     0 38449.9504    0    4 38467.0000 38449.9504  0.04%     -    0s
     0     0 38454.0588    0    2 38467.0000 38454.0588  0.03%     -    0s
     0     0 38454.4286    0    1 38467.0000 38454.4286  0.03%     -    0s
H    0     0                    38463.000000 38454.4286  0.02%     -    0s
     0     0 38454.4286    0    2 38463.0000 38454.4286  0.02%     -    0s
     0     0 38454.4286    0    1 38463.0000 38454.4286  0.02%     -    0s
     0     0 38454.4714    0    2 38463.0000 38454.4714  0.02%     -    0s

Cutting planes:
  Gomory: 2

Explored 0 nodes (2859 simplex iterations) in 0.89 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.846300000000e+04, best bound 3.846300000000e+04, gap 0.0%