Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:27 2012

Optimize a model with 41 rows, 93 columns and 93 nonzeros
Model has 80 quadratic constraints
Presolve time: 0.47s
Presolved: 41 rows, 93 columns, 93 nonzeros
Variable types: 80 continuous, 13 integer (13 binary)

Root relaxation: objective 0.000000e+00, 6 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   10   22.00000    0.00000   100%     -    0s
     0     0    0.42308    0   13   22.00000    0.42308  98.1%     -    0s
     0     2    0.50000    0   13   22.00000    0.50000  97.7%     -    0s
*   14    14               8      19.0000000    4.03922  78.7%  11.1    0s
*   21    10               9      18.0000000    4.03922  77.6%   9.1    0s
*   35    16               9      17.0000000    4.15686  75.5%   8.4    0s
*   46    15               7      15.0000000    7.60714  49.3%   8.5    0s

Cutting planes:
  Gomory: 1

Explored 75 nodes (698 simplex iterations) in 0.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%