Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:17 2012

Optimize a model with 49 rows, 137 columns and 137 nonzeros
Model has 96 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.56s
Presolved: 49 rows, 136 columns, 136 nonzeros
Variable types: 96 continuous, 40 integer (39 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                      22.0000000          -     -      -    0s
     0     0    0.00000    0   19   22.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   22.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   22.00000    0.00000   100%     -    0s
     0     2    0.00000    0   19   22.00000    0.00000   100%     -    0s
*    9     9               7       7.0000000    1.83333  73.8%  24.2    0s
*   18    11              13       6.0000000    1.83333  69.4%  15.2    0s
*   19     7              13       5.0000000    1.83333  63.3%  14.5    0s
*   46     3               4       4.0000000    3.22222  19.4%  10.2    0s

Cutting planes:

Explored 52 nodes (966 simplex iterations) in 0.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%