Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:50 2012

Optimize a model with 30 rows, 78 columns and 78 nonzeros
Model has 58 quadratic constraints
Presolve time: 0.34s
Presolved: 30 rows, 78 columns, 78 nonzeros
Variable types: 58 continuous, 20 integer (20 binary)

Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds

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

H    0     0                      11.0000000          -     -      -    0s
     0     0    0.00000    0   13   11.00000    0.00000   100%     -    0s
     0     0    0.21053    0   19   11.00000    0.21053  98.1%     -    0s
     0     2    0.41667    0   19   11.00000    0.41667  96.2%     -    0s
*    9     9               8       8.0000000    2.80556  64.9%  12.4    0s
*   19     7               6       7.0000000    2.90244  58.5%   8.4    0s
*   41     5               7       6.0000000    4.30000  28.3%   6.3    0s

Cutting planes:
  Gomory: 1

Explored 52 nodes (431 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%