Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:57:59 2012

Optimize a model with 169 rows, 391 columns and 391 nonzeros
Model has 336 quadratic constraints
Presolve time: 1.96s
Presolved: 169 rows, 391 columns, 391 nonzeros
Variable types: 336 continuous, 55 integer (55 binary)

Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds

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

H    0     0                      86.0000000          -     -      -    1s
     0     0    0.00000    0   26   86.00000    0.00000   100%     -    1s
     0     0    0.00000    0   51   86.00000    0.00000   100%     -    1s
     0     0    0.00000    0   44   86.00000    0.00000   100%     -    1s
     0     2    0.00000    0   44   86.00000    0.00000   100%     -    1s
*   43    38              24      44.0000000    6.56757  85.1%  35.5    2s
H  552   305                      43.0000000   17.85714  58.5%  36.4    2s
  1642   641   40.00000   48  214   43.00000   20.94444  51.3%  35.2    5s
  6646  2140   41.08571   40  190   43.00000   28.27068  34.3%  22.8   10s
* 7807  2109              50      41.0000000   29.18182  28.8%  22.2   11s
* 9376  1935              44      40.0000000   31.00000  22.5%  21.7   12s
 10019  1865   38.00000   43  203   40.00000   32.00000  20.0%  21.6   15s
 10414  1832   38.49865   40  197   40.00000   32.33333  19.2%  21.5   20s
 13577   609     cutoff   45        40.00000   37.00000  7.50%  21.0   25s

Explored 14276 nodes (292048 simplex iterations) in 25.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+01, best bound 4.000000000000e+01, gap 0.0%