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

Optimize a model with 52 rows, 132 columns and 132 nonzeros
Model has 102 quadratic constraints
Presolve time: 0.59s
Presolved: 52 rows, 132 columns, 132 nonzeros
Variable types: 102 continuous, 30 integer (30 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                      23.0000000          -     -      -    0s
     0     0    0.00000    0   15   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   27   23.00000    0.00000   100%     -    0s
     0     2    0.00000    0   27   23.00000    0.00000   100%     -    0s
*   18    18              11      11.0000000    2.03704  81.5%  20.7    0s
H   27    18                      10.0000000    2.25000  77.5%  18.0    0s
*   33    18               8       9.0000000    2.25000  75.0%  17.5    0s
*   44    14               7       8.0000000    2.50000  68.8%  15.8    0s

Cutting planes:

Explored 86 nodes (1492 simplex iterations) in 0.64 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%