Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:22 2013

Optimize a model with 2028 rows, 2044 columns and 8082 nonzeros
Presolve removed 1916 rows and 1915 columns
Presolve time: 0.07s
Presolved: 112 rows, 129 columns, 364 nonzeros
Variable types: 76 continuous, 53 integer (53 binary)

Root relaxation: objective 5.737611e+03, 56 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                    5753.9380151 5737.61109  0.28%     -    0s
     0     0 5753.93036    0    2 5753.93802 5753.93036  0.00%     -    0s

Cutting planes:
  Implied bound: 1
  Flow cover: 2

Explored 0 nodes (74 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.753938015071e+03, best bound 5.753930361889e+03, gap 0.0001%