Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:27 2012

Optimize a model with 81 rows, 179 columns and 179 nonzeros
Model has 160 quadratic constraints
Presolve time: 0.93s
Presolved: 81 rows, 179 columns, 179 nonzeros
Variable types: 160 continuous, 19 integer (19 binary)

Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds

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

H    0     0                      50.0000000          -     -      -    0s
     0     0    0.00000    0   18   50.00000    0.00000   100%     -    0s
     0     0    0.52632    0   19   50.00000    0.52632  98.9%     -    0s
     0     2    0.53571    0   19   50.00000    0.53571  98.9%     -    0s
H    8     8                      40.0000000    5.12500  87.2%  31.9    0s
*   28    28              16      35.0000000    5.12500  85.4%  17.9    0s
*   46    38              12      33.0000000    5.25000  84.1%  18.3    0s
*   48    34              10      30.0000000    5.25000  82.5%  17.9    0s

Cutting planes:
  Gomory: 1

Explored 487 nodes (9562 simplex iterations) in 1.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%