Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:46 2012

Optimize a model with 20 rows, 57 columns and 57 nonzeros
Model has 38 quadratic constraints
Presolve time: 0.22s
Presolved: 20 rows, 57 columns, 57 nonzeros
Variable types: 38 continuous, 19 integer (19 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                       5.0000000          -     -      -    0s
     0     0    0.00000    0    8    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0    9    5.00000    0.00000   100%     -    0s
     0     0    0.00000    0    7    5.00000    0.00000   100%     -    0s
     0     2    0.20000    0   11    5.00000    0.20000  96.0%     -    0s
*    9     7               5       4.0000000    0.50000  87.5%  10.6    0s
*   11     5               4       3.0000000    0.50000  83.3%  10.3    0s
*   20     3               3       2.0000000    1.00000  50.0%   7.8    0s

Cutting planes:

Explored 26 nodes (277 simplex iterations) in 0.23 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%