Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:13 2012

Optimize a model with 61 rows, 161 columns and 161 nonzeros
Model has 120 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.70s
Presolved: 61 rows, 160 columns, 160 nonzeros
Variable types: 120 continuous, 40 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                      27.0000000          -     -      -    0s
     0     0    0.00000    0    3   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   27.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   27.00000    0.00000   100%     -    0s
     0     2    0.00000    0   28   27.00000    0.00000   100%     -    0s
*   11     9               7       6.0000000    3.24786  45.9%  42.0    0s

Cutting planes:

Explored 35 nodes (990 simplex iterations) in 0.73 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%