Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:38:36 2012

Optimize a model with 209 rows, 445 columns and 445 nonzeros
Model has 416 quadratic constraints
Presolve time: 2.42s
Presolved: 209 rows, 445 columns, 445 nonzeros
Variable types: 416 continuous, 29 integer (29 binary)

Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds

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

H    0     0                     108.0000000          -     -      -    2s
     0     0    0.00000    0   26  108.00000    0.00000   100%     -    2s
     0     0    0.47701    0   29  108.00000    0.47701   100%     -    2s
     0     2    0.61111    0   29  108.00000    0.61111  99.4%     -    2s
*   44    44              24      88.0000000    7.31159  91.7%  40.3    2s
   859   500   50.25000   48  272   88.00000   27.00000  69.3%  54.6    5s
*  946   507              57      84.0000000   27.00000  67.9%  53.5    5s
H 2833   991                      81.0000000   39.50000  51.2%  36.1    7s
  3902  1311   61.00000   34  257   81.00000   43.00000  46.9%  33.3   10s
  7467  2015   76.06250   38  238   81.00000   52.83333  34.8%  30.4   15s
 10982  2406   75.17647   40  250   81.00000   58.35294  28.0%  28.8   20s
 14949  2568   70.50000   36  237   81.00000   63.00000  22.2%  27.5   25s
 19097  2436   75.94444   38  268   81.00000   66.33333  18.1%  26.6   30s
 23665  1928   77.05882   35  250   81.00000   70.00000  13.6%  25.7   35s

Explored 28664 nodes (708210 simplex iterations) in 39.69 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.100000000000e+01, best bound 8.100000000000e+01, gap 0.0%