Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:41 2012

Optimize a model with 51 rows, 131 columns and 131 nonzeros
Model has 100 quadratic constraints
Presolve time: 0.58s
Presolved: 51 rows, 131 columns, 131 nonzeros
Variable types: 100 continuous, 31 integer (31 binary)

Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds

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

H    0     0                      30.0000000          -     -      -    0s
     0     0    0.00000    0   26   30.00000    0.00000   100%     -    0s
     0     0    0.55357    0   28   30.00000    0.55357  98.2%     -    0s
     0     2    0.56818    0   28   30.00000    0.56818  98.1%     -    0s
H    8     8                      10.0000000    3.00000  70.0%  22.0    0s
*   40    20               7       9.0000000    5.12500  43.1%  10.8    0s
*   76     1               6       8.0000000    7.80000  2.50%   9.4    0s

Cutting planes:
  Gomory: 1

Explored 78 nodes (1065 simplex iterations) in 0.62 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%