Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:03 2012

Optimize a model with 47 rows, 139 columns and 139 nonzeros
Model has 92 quadratic constraints
Presolve removed 0 rows and 6 columns
Presolve time: 0.54s
Presolved: 47 rows, 133 columns, 133 nonzeros
Variable types: 92 continuous, 41 integer (40 binary)

Root relaxation: objective 0.000000e+00, 19 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    6   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   26   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   23.00000    0.00000   100%     -    0s
     0     2    0.00000    0   28   23.00000    0.00000   100%     -    0s
*   15    15               9       7.0000000    0.95833  86.3%  22.1    0s
*   18    16              11       6.0000000    0.95833  84.0%  18.7    0s
*   27    16               8       4.0000000    1.33333  66.7%  15.4    0s
*   49     7               4       3.0000000    1.80719  39.8%  11.2    0s

Cutting planes:

Explored 60 nodes (980 simplex iterations) in 0.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%