Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:55 2012

Optimize a model with 23 rows, 66 columns and 66 nonzeros
Model has 44 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.26s
Presolved: 23 rows, 65 columns, 65 nonzeros
Variable types: 44 continuous, 21 integer (20 binary)

Root relaxation: objective 0.000000e+00, 11 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    5   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   12   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0    8   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0    8   13.00000    0.00000   100%     -    0s
*   12    12               8       5.0000000    1.36364  72.7%   8.6    0s
*   15     9               7       4.0000000    1.36364  65.9%   7.7    0s
*   22    11               7       3.0000000    1.43200  52.3%   7.0    0s

Cutting planes:

Explored 51 nodes (377 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%