Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:22 2013

Optimize a model with 13392 rows, 13032 columns and 51912 nonzeros
Presolve removed 36 rows and 0 columns
Presolve time: 0.06s
Presolved: 13356 rows, 13032 columns, 51876 nonzeros
Variable types: 12996 continuous, 36 integer (36 binary)

Root relaxation: objective 3.509650e+04, 2233 iterations, 0.27 seconds

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

     0     0 35096.5028    0   25          - 35096.5028     -      -    0s
H    0     0                    39791.000000 35096.5028  11.8%     -    0s
     0     0 37526.2571    0    3 39791.0000 37526.2571  5.69%     -    0s
H    0     0                    37653.946154 37526.2571  0.34%     -    0s
H    0     0                    37611.000000 37526.2571  0.23%     -    0s
H    0     0                    37542.000000 37526.2571  0.04%     -    0s
     0     0 37539.2308    0    1 37542.0000 37539.2308  0.01%     -    0s

Cutting planes:
  Gomory: 2
  Implied bound: 25

Explored 0 nodes (2767 simplex iterations) in 0.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.754200000000e+04, best bound 3.753923076923e+04, gap 0.0074%