Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:28 2012

Optimize a model with 45 rows, 101 columns and 101 nonzeros
Model has 88 quadratic constraints
Presolve time: 0.51s
Presolved: 45 rows, 101 columns, 101 nonzeros
Variable types: 88 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   12   22.00000    0.00000   100%     -    0s
     0     0    0.44872    0   13   22.00000    0.44872  98.0%     -    0s
     0     2    0.50000    0   13   22.00000    0.50000  97.7%     -    0s
*   15    15               8      20.0000000    3.43333  82.8%  13.7    0s
*   17    12               8      19.0000000    3.43333  81.9%  12.2    0s
*   46    18               8      18.0000000    5.13333  71.5%  11.1    0s

Cutting planes:
  Gomory: 1

Explored 156 nodes (1969 simplex iterations) in 0.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%