Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:42 2012

Optimize a model with 18 rows, 52 columns and 52 nonzeros
Model has 34 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.20s
Presolved: 18 rows, 51 columns, 51 nonzeros
Variable types: 34 continuous, 17 integer (16 binary)

Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds

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

H    0     0                       7.0000000          -     -      -    0s
     0     0    0.00000    0    6    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0   11    7.00000    0.00000   100%     -    0s
     0     0    0.00000    0   13    7.00000    0.00000   100%     -    0s
H    0     0                       4.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   13    4.00000    0.00000   100%     -    0s
*    8     8               5       3.0000000    0.50000  83.3%   7.6    0s
*   11     4               4       2.0000000    0.50000  75.0%   6.0    0s

Cutting planes:

Explored 23 nodes (226 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%