Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:25 2013

Optimize a model with 264 rows, 5784 columns and 11544 nonzeros
Presolve time: 0.01s
Presolved: 264 rows, 5784 columns, 11544 nonzeros
Variable types: 5760 continuous, 24 integer (24 binary)

Root relaxation: objective 2.795065e+04, 456 iterations, 0.01 seconds

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

     0     0 27950.6505    0    4          - 27950.6505     -      -    0s
H    0     0                    28097.000000 27950.6505  0.52%     -    0s
     0     0 28056.3676    0    2 28097.0000 28056.3676  0.14%     -    0s
     0     0 28058.7895    0    2 28097.0000 28058.7895  0.14%     -    0s
H    0     0                    28088.000000 28058.7895  0.10%     -    0s
     0     0 28063.2222    0    3 28088.0000 28063.2222  0.09%     -    0s
H    0     0                    28081.000000 28063.2222  0.06%     -    0s
     0     0 28064.4286    0    1 28081.0000 28064.4286  0.06%     -    0s
     0     0 28065.0262    0    2 28081.0000 28065.0262  0.06%     -    0s
     0     0 28065.1053    0    2 28081.0000 28065.1053  0.06%     -    0s
     0     0 28065.3410    0    2 28081.0000 28065.3410  0.06%     -    0s
     0     0 28065.5714    0    1 28081.0000 28065.5714  0.05%     -    0s
     0     0 28065.8074    0    2 28081.0000 28065.8074  0.05%     -    0s
     0     0     cutoff    0      28081.0000 28081.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 17
  Flow cover: 3

Explored 0 nodes (532 simplex iterations) in 0.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.808100000000e+04, best bound 2.808100000000e+04, gap 0.0%