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

Optimize a model with 28 rows, 65 columns and 65 nonzeros
Model has 54 quadratic constraints
Presolve time: 0.32s
Presolved: 28 rows, 65 columns, 65 nonzeros
Variable types: 54 continuous, 11 integer (11 binary)

Root relaxation: objective 0.000000e+00, 5 iterations, 0.00 seconds

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

H    0     0                      15.0000000          -     -      -    0s
     0     0    0.00000    0   10   15.00000    0.00000   100%     -    0s
     0     0    0.72727    0   11   15.00000    0.72727  95.2%     -    0s
     0     2    1.33333    0   11   15.00000    1.33333  91.1%     -    0s
*    8     8               6      12.0000000    2.55556  78.7%  10.5    0s
*   10     8               7      11.0000000    2.55556  76.8%   9.5    0s
*   20     6               6      10.0000000    2.66667  73.3%   8.0    0s

Cutting planes:
  Gomory: 1

Explored 47 nodes (439 simplex iterations) in 0.33 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%