Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:41 2013

Optimize a model with 12635 rows, 12285 columns and 49035 nonzeros
Presolve removed 904 rows and 0 columns
Presolve time: 0.07s
Presolved: 11731 rows, 12285 columns, 47227 nonzeros
Variable types: 12250 continuous, 35 integer (35 binary)

Root relaxation: objective 3.723650e+04, 1969 iterations, 0.11 seconds

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

     0     0 37236.4989    0    2          - 37236.4989     -      -    0s
H    0     0                    37297.000000 37236.4989  0.16%     -    0s
     0     0 37239.3416    0    4 37297.0000 37239.3416  0.15%     -    0s
     0     0 37239.5523    0    3 37297.0000 37239.5523  0.15%     -    0s
     0     0 37239.5523    0    2 37297.0000 37239.5523  0.15%     -    0s
     0     0 37239.8385    0    3 37297.0000 37239.8385  0.15%     -    0s
     0     2 37241.9675    0    3 37297.0000 37241.9675  0.15%     -    0s
*    4     4               3    37264.000000 37264.0000   0.0%   9.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 5 nodes (2773 simplex iterations) in 0.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.726400000000e+04, best bound 3.726400000000e+04, gap 0.0%