Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:55 2013

Optimize a model with 1070 rows, 3260 columns and 8505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.16s
Presolved: 1060 rows, 3245 columns, 6490 nonzeros
Variable types: 2250 continuous, 995 integer (995 binary)

Root relaxation: objective 9.876190e+03, 38 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    1          - 9876.18952     -      -    0s
     0     0 9876.68900    0    3          - 9876.68900     -      -    0s
     0     0 9876.75540    0    3          - 9876.75540     -      -    0s
     0     0 9876.75540    0    3          - 9876.75540     -      -    0s
H    0     0                    9949.9718638 9876.75540  0.74%     -    0s
     0     2 9877.88060    0    3 9949.97186 9877.88060  0.72%     -    0s
*   54    47              42    9942.9596239 9905.45926  0.38%   1.3    0s

Cutting planes:
  Gomory: 1
  Flow cover: 4

Explored 793 nodes (2427 simplex iterations) in 0.90 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.942959623924e+03, best bound 9.942055556086e+03, gap 0.0091%