Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:46 2013

Optimize a model with 11253 rows, 10923 columns and 43593 nonzeros
Presolve removed 1338 rows and 0 columns
Presolve time: 0.06s
Presolved: 9915 rows, 10923 columns, 40917 nonzeros
Variable types: 10890 continuous, 33 integer (33 binary)

Root relaxation: objective 4.017723e+04, 1666 iterations, 0.08 seconds

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

     0     0 40177.2308    0    1          - 40177.2308     -      -    0s
H    0     0                    40578.000000 40177.2308  0.99%     -    0s
H    0     0                    40196.000000 40177.2308  0.05%     -    0s
     0     0 40177.4587    0    2 40196.0000 40177.4587  0.05%     -    0s
     0     0 40177.4587    0    2 40196.0000 40177.4587  0.05%     -    0s
     0     0     cutoff    0      40196.0000 40196.0000   0.0%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 0 nodes (1703 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.019600000000e+04, best bound 4.019600000000e+04, gap 0.0%