Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:15 2013

Optimize a model with 2570 rows, 7760 columns and 20505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.21s
Presolved: 2560 rows, 7745 columns, 15490 nonzeros
Variable types: 5250 continuous, 2495 integer (2495 binary)

Root relaxation: objective 1.704455e+04, 71 iterations, 0.00 seconds

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

     0     0 17044.5499    0    1          - 17044.5499     -      -    0s
     0     0 17044.7257    0    2          - 17044.7257     -      -    0s
     0     0 17044.7257    0    2          - 17044.7257     -      -    0s
H    0     0                    17174.646565 17044.7257  0.76%     -    0s
     0     2 17045.2815    0    2 17174.6466 17045.2815  0.75%     -    0s
*   66     2              66    17091.445829 17091.4458   0.0%   1.2    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 67 nodes (659 simplex iterations) in 0.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.709144582885e+04, best bound 1.709144582885e+04, gap 0.0%