Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:41 2013

Optimize a model with 428 rows, 1244 columns and 3282 nonzeros
Presolve removed 392 rows and 1132 columns
Presolve time: 0.03s
Presolved: 36 rows, 112 columns, 224 nonzeros
Variable types: 82 continuous, 30 integer (30 binary)

Root relaxation: objective 5.784077e+03, 5 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 5806.16713    0    3 5812.32554 5806.16713  0.11%     -    0s
     0     0 5812.28663    0    2 5812.32554 5812.28663  0.00%     -    0s

Cutting planes:
  Cover: 2
  Implied bound: 1
  Flow cover: 5

Explored 0 nodes (42 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.812325537148e+03, best bound 5.812286628811e+03, gap 0.0007%