Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:13 2012

Optimize a model with 22 rows, 52 columns and 52 nonzeros
Model has 42 quadratic constraints
Presolve time: 0.25s
Presolved: 22 rows, 52 columns, 52 nonzeros
Variable types: 42 continuous, 10 integer (10 binary)

Root relaxation: objective 0.000000e+00, 5 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

H    0     0                      12.0000000          -     -      -    0s
     0     0    0.00000    0    6   12.00000    0.00000   100%     -    0s
     0     0    0.23077    0   10   12.00000    0.23077  98.1%     -    0s
     0     2    0.30000    0   10   12.00000    0.30000  97.5%     -    0s
*    6     6               4       8.0000000    3.50000  56.2%   7.8    0s

Cutting planes:
  Gomory: 1

Explored 21 nodes (190 simplex iterations) in 0.26 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%