Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:21 2013

Optimize a model with 11968 rows, 11628 columns and 46308 nonzeros
Presolve removed 34 rows and 0 columns
Presolve time: 0.05s
Presolved: 11934 rows, 11628 columns, 46274 nonzeros
Variable types: 11594 continuous, 34 integer (34 binary)

Root relaxation: objective 3.373970e+04, 1825 iterations, 0.25 seconds

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

     0     0 33739.7030    0   29          - 33739.7030     -      -    0s
H    0     0                    41105.000000 33739.7030  17.9%     -    0s
     0     0 38487.8401    0    4 41105.0000 38487.8401  6.37%     -    0s
H    0     0                    39525.623299 38487.8401  2.63%     -    0s
H    0     0                    38639.000000 38487.8401  0.39%     -    0s
H    0     0                    38533.000000 38487.8401  0.12%     -    0s
     0     0 38503.2952    0    2 38533.0000 38503.2952  0.08%     -    0s
     0     0     cutoff    0      38533.0000 38533.0000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Implied bound: 27

Explored 0 nodes (2800 simplex iterations) in 1.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.853300000000e+04, best bound 3.853300000000e+04, gap 0.0%