Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:37 2012

Optimize a model with 55 rows, 152 columns and 152 nonzeros
Model has 108 quadratic constraints
Presolve removed 0 rows and 5 columns
Presolve time: 0.63s
Presolved: 55 rows, 147 columns, 147 nonzeros
Variable types: 108 continuous, 39 integer (38 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      27.0000000          -     -      -    0s
     0     0    0.00000    0   18   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   36   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   34   27.00000    0.00000   100%     -    0s
     0     2    0.00000    0   34   27.00000    0.00000   100%     -    0s
*   16    16               9       8.0000000    0.94444  88.2%  31.4    0s
*   68    25              11       7.0000000    1.50000  78.6%  18.3    0s

Cutting planes:

Explored 135 nodes (2465 simplex iterations) in 0.69 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%