Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:47 2013

Optimize a model with 5070 rows, 5260 columns and 20505 nonzeros
Presolve removed 15 rows and 10 columns
Presolve time: 0.22s
Presolved: 5055 rows, 5250 columns, 15490 nonzeros
Variable types: 2755 continuous, 2495 integer (2495 binary)

Root relaxation: objective 9.876190e+03, 1896 iterations, 0.06 seconds

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

     0     0 9876.18952    0    1          - 9876.18952     -      -    0s
     0     0 9911.69970    0    3          - 9911.69970     -      -    0s
     0     0 9927.72102    0    2          - 9927.72102     -      -    0s
H    0     0                    9942.9596239 9927.72102  0.15%     -    0s
     0     0 9927.72102    0    1 9942.95962 9927.72102  0.15%     -    0s
     0     0 9927.72102    0    3 9942.95962 9927.72102  0.15%     -    0s
     0     0 9927.72102    0    2 9942.95962 9927.72102  0.15%     -    0s
     0     2 9927.74505    0    2 9942.95962 9927.74505  0.15%     -    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 130 nodes (2933 simplex iterations) in 1.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942959623924e+03, gap 0.0%