Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:52 2013

Optimize a model with 2070 rows, 2260 columns and 8505 nonzeros
Presolve removed 15 rows and 10 columns
Presolve time: 0.11s
Presolved: 2055 rows, 2250 columns, 6490 nonzeros
Variable types: 1255 continuous, 995 integer (995 binary)

Root relaxation: objective 9.876190e+03, 771 iterations, 0.01 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 9911.68353    0    3          - 9911.68353     -      -    0s
     0     0 9927.70442    0    2          - 9927.70442     -      -    0s
H    0     0                    10152.594440 9927.70442  2.22%     -    0s
     0     2 9927.73980    0    2 10152.5944 9927.73980  2.21%     -    0s
H   39    23                    9943.9472016 9940.62791  0.03%   4.9    0s
*   41    17              40    9942.9596239 9940.62791  0.02%   5.4    0s

Cutting planes:
  Gomory: 1
  Flow cover: 3

Explored 49 nodes (1242 simplex iterations) in 0.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942267090713e+03, gap 0.0070%