Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:08 2012

Optimize a model with 20 rows, 46 columns and 46 nonzeros
Model has 38 quadratic constraints
Presolve time: 0.22s
Presolved: 20 rows, 46 columns, 46 nonzeros
Variable types: 38 continuous, 8 integer (8 binary)

Root relaxation: objective 0.000000e+00, 4 iterations, 0.00 seconds

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

H    0     0                       9.0000000          -     -      -    0s
     0     0    0.00000    0    5    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    6    9.00000    0.00000   100%     -    0s
     0     0    0.00000    0    5    9.00000    0.00000   100%     -    0s
     0     2    0.00000    0    5    9.00000    0.00000   100%     -    0s
*    9     4               4       8.0000000    3.60000  55.0%   7.4    0s

Cutting planes:

Explored 24 nodes (189 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%