Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:40 2013

Optimize a model with 828 rows, 844 columns and 3282 nonzeros
Presolve removed 764 rows and 763 columns
Presolve time: 0.01s
Presolved: 64 rows, 81 columns, 220 nonzeros
Variable types: 51 continuous, 30 integer (30 binary)

Root relaxation: objective 5.784077e+03, 35 iterations, 0.00 seconds

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

     0     0 5784.07688    0    1          - 5784.07688     -      -    0s
H    0     0                    5812.3255371 5784.07688  0.49%     -    0s
     0     0 5806.18669    0    3 5812.32554 5806.18669  0.11%     -    0s
     0     0     cutoff    0      5812.32554 5812.32554   0.0%     -    0s

Cutting planes:
  Implied bound: 1
  Flow cover: 4

Explored 0 nodes (55 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.812325537147e+03, best bound 5.812325537147e+03, gap 0.0%