Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:39 2013

Optimize a model with 828 rows, 844 columns and 3282 nonzeros
Presolve removed 781 rows and 780 columns
Presolve time: 0.01s
Presolved: 47 rows, 64 columns, 177 nonzeros
Variable types: 43 continuous, 21 integer (21 binary)

Root relaxation: objective 5.737611e+03, 25 iterations, 0.00 seconds

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

     0     0 5737.61109    0    1          - 5737.61109     -      -    0s
H    0     0                    5753.9375648 5737.61109  0.28%     -    0s
     0     0     cutoff    0      5753.93756 5753.93756   0.0%     -    0s

Cutting planes:
  Implied bound: 1
  Flow cover: 2

Explored 0 nodes (31 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.753937564786e+03, best bound 5.753937564786e+03, gap 0.0%