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

Optimize a model with 33 rows, 75 columns and 75 nonzeros
Model has 64 quadratic constraints
Presolve time: 0.37s
Presolved: 33 rows, 75 columns, 75 nonzeros
Variable types: 64 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                      16.0000000          -     -      -    0s
     0     0    0.00000    0   10   16.00000    0.00000   100%     -    0s
     0     0    0.69065    0   11   16.00000    0.69065  95.7%     -    0s
     0     2    0.76667    0   11   16.00000    0.76667  95.2%     -    0s
*   28    13               8      15.0000000    2.77778  81.5%   6.9    0s
*   36    15               6      13.0000000    6.15000  52.7%   7.3    0s
*   47    14               8      12.0000000    6.62041  44.8%   6.3    0s

Cutting planes:
  Gomory: 1

Explored 81 nodes (572 simplex iterations) in 0.39 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%