Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:20 2012

Optimize a model with 27 rows, 64 columns and 64 nonzeros
Model has 52 quadratic constraints
Presolve time: 0.30s
Presolved: 27 rows, 64 columns, 64 nonzeros
Variable types: 52 continuous, 12 integer (12 binary)

Root relaxation: objective 0.000000e+00, 6 iterations, 0.00 seconds

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

H    0     0                      13.0000000          -     -      -    0s
     0     0    0.00000    0   12   13.00000    0.00000   100%     -    0s
     0     0    0.50000    0   12   13.00000    0.50000  96.2%     -    0s
     0     2    0.57143    0   12   13.00000    0.57143  95.6%     -    0s
*    9     9               7      11.0000000    3.62500  67.0%   8.0    0s
*   12    10               7      10.0000000    3.62500  63.7%   6.8    0s
*   19     9               4       9.0000000    3.72222  58.6%   6.5    0s

Cutting planes:
  Gomory: 1

Explored 36 nodes (330 simplex iterations) in 0.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%