Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:15 2012

Optimize a model with 55 rows, 147 columns and 147 nonzeros
Model has 108 quadratic constraints
Presolve time: 0.63s
Presolved: 55 rows, 147 columns, 147 nonzeros
Variable types: 108 continuous, 39 integer (39 binary)

Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds

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

H    0     0                      30.0000000          -     -      -    0s
     0     0    0.00000    0   10   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   22   30.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   30.00000    0.00000   100%     -    0s
     0     2    0.00000    0   21   30.00000    0.00000   100%     -    0s
*   20    20              17      14.0000000    2.23077  84.1%  13.2    0s
*   32    14               9       8.0000000    3.54167  55.7%  14.3    0s
*   52    16               9       7.0000000    3.90476  44.2%  12.5    0s

Cutting planes:
  Gomory: 1

Explored 100 nodes (1390 simplex iterations) in 0.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%