Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:38 2012

Optimize a model with 99 rows, 239 columns and 239 nonzeros
Model has 196 quadratic constraints
Presolve time: 1.14s
Presolved: 99 rows, 239 columns, 239 nonzeros
Variable types: 196 continuous, 43 integer (43 binary)

Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds

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

H    0     0                      52.0000000          -     -      -    1s
     0     0    0.00000    0   23   52.00000    0.00000   100%     -    1s
     0     0    0.08426    0   41   52.00000    0.08426   100%     -    1s
H    0     0                      50.0000000    0.08426   100%     -    1s
     0     2    0.13182    0   41   50.00000    0.13182   100%     -    1s
*   38    34              22      27.0000000    2.56098  90.5%  22.5    1s
H   54    37                      25.0000000    2.66667  89.3%  25.5    1s
H   86    59                      24.0000000    2.96679  87.6%  23.4    1s
*  158   101              15      23.0000000    6.50000  71.7%  24.6    1s
*  271   105              10      21.0000000    8.80000  58.1%  25.0    1s
*  609    79              11      20.0000000   15.09091  24.5%  23.6    1s

Cutting planes:
  Gomory: 1

Explored 771 nodes (17576 simplex iterations) in 1.55 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+01, best bound 2.000000000000e+01, gap 0.0%