Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:10 2012

Optimize a model with 19 rows, 45 columns and 45 nonzeros
Model has 36 quadratic constraints
Presolve time: 0.21s
Presolved: 19 rows, 45 columns, 45 nonzeros
Variable types: 36 continuous, 9 integer (9 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                      12.0000000          -     -      -    0s
     0     0    0.00000    0    8   12.00000    0.00000   100%     -    0s
     0     0    0.51724    0    9   12.00000    0.51724  95.7%     -    0s
     0     2    0.66667    0    9   12.00000    0.66667  94.4%     -    0s
*   11    11               7      10.0000000    1.87500  81.2%   6.3    0s
*   12    10               7       8.0000000    1.87500  76.6%   6.0    0s
*   21     7               6       6.0000000    2.50000  58.3%   4.9    0s

Cutting planes:
  Gomory: 1

Explored 35 nodes (195 simplex iterations) in 0.22 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%