Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:13:03 2013

Optimize a model with 170 rows, 5315 columns and 60670 nonzeros
Presolve removed 5 rows and 5 columns
Presolve time: 0.11s
Presolved: 165 rows, 5310 columns, 55665 nonzeros
Variable types: 5260 continuous, 50 integer (50 binary)

Root relaxation: objective 9.876190e+03, 46 iterations, 0.00 seconds

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

     0     0 9876.18952    0    3          - 9876.18952     -      -    0s
     0     0 9876.23364    0    6          - 9876.23364     -      -    0s
     0     0 9876.24467    0    3          - 9876.24467     -      -    0s
     0     0 9911.70480    0    6          - 9911.70480     -      -    0s
     0     0 9940.82987    0    6          - 9940.82987     -      -    0s
     0     0 9942.24090    0    3          - 9942.24090     -      -    0s
     0     0 9942.24090    0    3          - 9942.24090     -      -    0s
H    0     0                    9942.9596239 9942.24090  0.01%     -    0s

Cutting planes:
  Flow cover: 2

Explored 0 nodes (96 simplex iterations) in 0.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942240901509e+03, gap 0.0072%