Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:32 2013

Optimize a model with 34 rows, 1023 columns and 12054 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.02s
Presolved: 22 rows, 1011 columns, 11030 nonzeros
Variable types: 1001 continuous, 10 integer (10 binary)

Root relaxation: objective 3.432402e+03, 15 iterations, 0.00 seconds

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

     0     0 3432.40208    0    8          - 3432.40208     -      -    0s
     0     0 3432.54907    0    8          - 3432.54907     -      -    0s
     0     0 3432.55272    0   10          - 3432.55272     -      -    0s
     0     0 3432.55273    0   10          - 3432.55273     -      -    0s
     0     0 3432.62257    0    7          - 3432.62257     -      -    0s
     0     0 3432.62257    0    7          - 3432.62257     -      -    0s
     0     0 3432.62257    0    5          - 3432.62257     -      -    0s
     0     0 3432.62257    0    7          - 3432.62257     -      -    0s
     0     0 3432.62269    0    7          - 3432.62269     -      -    0s
     0     0 3432.69305    0    3          - 3432.69305     -      -    0s
     0     0 3432.69305    0    3          - 3432.69305     -      -    0s
     0     2 3432.72295    0    3          - 3432.72295     -      -    0s
*    8     2               6    3432.7438354 3432.74384   0.0%   5.1    0s

Cutting planes:
  Gomory: 3
  Cover: 2
  Implied bound: 3

Explored 9 nodes (129 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.432743835411e+03, best bound 3.432743835411e+03, gap 0.0%