Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:05 2012

Optimize a model with 12 rows, 28 columns and 28 nonzeros
Model has 22 quadratic constraints
Presolve time: 0.13s
Presolved: 12 rows, 28 columns, 28 nonzeros
Variable types: 22 continuous, 6 integer (6 binary)

Root relaxation: objective 0.000000e+00, 3 iterations, 0.00 seconds

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

H    0     0                       7.0000000          -     -      -    0s
     0     0    0.00000    0    6    7.00000    0.00000   100%     -    0s
     0     0    0.60000    0    6    7.00000    0.60000  91.4%     -    0s
     0     2    0.60000    0    6    7.00000    0.60000  91.4%     -    0s
*    8     7               5       6.0000000    2.00000  66.7%   4.0    0s

Cutting planes:
  Gomory: 1

Explored 24 nodes (115 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%