Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:13 2012

Optimize a model with 21 rows, 50 columns and 50 nonzeros
Model has 40 quadratic constraints
Presolve time: 0.23s
Presolved: 21 rows, 50 columns, 50 nonzeros
Variable types: 40 continuous, 10 integer (10 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                      13.0000000          -     -      -    0s
     0     0    0.00000    0    8   13.00000    0.00000   100%     -    0s
     0     0    0.50000    0   10   13.00000    0.50000  96.2%     -    0s
     0     2    0.66667    0   10   13.00000    0.66667  94.9%     -    0s
*    8     8               6       9.0000000    2.28571  74.6%   8.1    0s
*    9     7               6       8.0000000    2.28571  71.4%   7.4    0s
*   15     7               5       7.0000000    3.33333  52.4%   6.7    0s

Cutting planes:
  Gomory: 1

Explored 30 nodes (218 simplex iterations) in 0.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%