Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:17 2013

Optimize a model with 2570 rows, 7760 columns and 20505 nonzeros
Presolve removed 10 rows and 15 columns
Presolve time: 0.24s
Presolved: 2560 rows, 7745 columns, 15490 nonzeros
Variable types: 5250 continuous, 2495 integer (2495 binary)

Root relaxation: objective 9.601887e+03, 43 iterations, 0.00 seconds

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

     0     0 9601.88662    0    1          - 9601.88662     -      -    0s
     0     0 9601.93173    0    2          - 9601.93173     -      -    0s
     0     0 9601.93173    0    2          - 9601.93173     -      -    0s
H    0     0                    9624.4892358 9601.93173  0.23%     -    0s
     0     2 9602.78111    0    2 9624.48924 9602.78111  0.23%     -    0s
   973    26 9621.45440  263    1 9624.48924 9605.25924  0.20%   3.0    5s

Cutting planes:
  Gomory: 1

Explored 3012 nodes (7872 simplex iterations) in 7.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.624489235801e+03, best bound 9.623585275398e+03, gap 0.0094%