Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:29 2013

Optimize a model with 64 rows, 2110 columns and 24118 nonzeros
Presolve removed 22 rows and 78 columns
Presolve time: 0.10s
Presolved: 42 rows, 2032 columns, 22062 nonzeros
Variable types: 2014 continuous, 18 integer (18 binary)

Root relaxation: objective 7.659086e+03, 20 iterations, 0.00 seconds

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

     0     0 7659.08578    0    7          - 7659.08578     -      -    0s
     0     0 7659.56322    0    7          - 7659.56322     -      -    0s
     0     0 7659.56748    0    7          - 7659.56748     -      -    0s
     0     0 7659.56748    0    7          - 7659.56748     -      -    0s
H    0     0                    7674.4425935 7659.56748  0.19%     -    0s
     0     0 7664.60566    0    3 7674.44259 7664.60566  0.13%     -    0s
     0     0 7664.60854    0    3 7674.44259 7664.60854  0.13%     -    0s
     0     2 7664.63240    0    3 7674.44259 7664.63240  0.13%     -    0s
H   13    11                    7664.6454259 7664.63240  0.00%   3.3    0s

Cutting planes:
  Gomory: 2

Explored 13 nodes (193 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.664645425899e+03, best bound 7.664632401279e+03, gap 0.0002%