Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:23 2013

Optimize a model with 6024 rows, 5784 columns and 23064 nonzeros
Presolve removed 666 rows and 0 columns
Presolve time: 0.04s
Presolved: 5358 rows, 5784 columns, 21732 nonzeros
Variable types: 5760 continuous, 24 integer (24 binary)

Root relaxation: objective 2.270549e+04, 614 iterations, 0.02 seconds

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

     0     0 22705.4878    0    1          - 22705.4878     -      -    0s
H    0     0                    22818.000000 22705.4878  0.49%     -    0s
H    0     0                    22712.000000 22705.4878  0.03%     -    0s
     0     0     cutoff    0      22712.0000 22712.0000   0.0%     -    0s

Cutting planes:
  Flow cover: 1

Explored 0 nodes (623 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.271200000000e+04, best bound 2.271200000000e+04, gap 0.0%