Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:14 2012

Optimize a model with 28 rows, 64 columns and 64 nonzeros
Model has 54 quadratic constraints
Presolve time: 0.32s
Presolved: 28 rows, 64 columns, 64 nonzeros
Variable types: 54 continuous, 10 integer (10 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                      13.0000000          -     -      -    0s
     0     0    0.00000    0   10   13.00000    0.00000   100%     -    0s
     0     0    0.83333    0   10   13.00000    0.83333  93.6%     -    0s
     0     2    1.11111    0   10   13.00000    1.11111  91.5%     -    0s
*   11     9               7      12.0000000    3.33333  72.2%   7.3    0s
*   32    12               6      11.0000000    5.00000  54.5%   6.5    0s

Cutting planes:
  Gomory: 1

Explored 56 nodes (404 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%