Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:40 2012

Optimize a model with 59 rows, 131 columns and 131 nonzeros
Model has 116 quadratic constraints
Presolve time: 0.68s
Presolved: 59 rows, 131 columns, 131 nonzeros
Variable types: 116 continuous, 15 integer (15 binary)

Root relaxation: objective 0.000000e+00, 7 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   14   30.00000    0.00000   100%     -    0s
     0     0    0.45714    0   15   30.00000    0.45714  98.5%     -    0s
     0     0    0.45714    0   15   30.00000    0.45714  98.5%     -    0s
     0     2    0.71429    0   15   30.00000    0.71429  97.6%     -    0s
*   21    19              13      29.0000000    2.54545  91.2%  16.1    0s
*   23    17              11      27.0000000    2.54545  90.6%  14.8    0s
*   38    28              11      26.0000000    2.87500  88.9%  14.8    0s
H   53    34                      24.0000000    7.00000  70.8%  14.2    0s
*   69    37              12      23.0000000    7.66667  66.7%  13.6    0s
*  182    21               9      21.0000000   16.50000  21.4%  14.2    0s

Cutting planes:
  Gomory: 1

Explored 208 nodes (2919 simplex iterations) in 0.74 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%