Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:14:40 2012

Optimize a model with 302 rows, 837 columns and 837 nonzeros
Model has 602 quadratic constraints
Presolve removed 0 rows and 19 columns
Presolve time: 3.56s
Presolved: 302 rows, 818 columns, 818 nonzeros
Variable types: 602 continuous, 216 integer (215 binary)

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

H    0     0                     163.0000000          -     -      -    3s
     0     0    0.00000    0  127  163.00000    0.00000   100%     -    3s
     0     0    0.00014    0  190  163.00000    0.00014   100%     -    3s
     0     2    0.00989    0  190  163.00000    0.00989   100%     -    3s
H   54    54                      33.0000000    1.32353  96.0%  35.6    3s
*   75    72              41      29.0000000    1.32353  95.4%  30.5    3s
*  119   101              25      28.0000000    1.39726  95.0%  30.7    3s
H  162   123                      27.0000000    2.68269  90.1%  32.2    3s
   605   339   20.22093   10  505   27.00000    9.68531  64.1%  35.0    5s
*  749   385              46      26.0000000    9.68531  62.7%  47.2    6s
  2165   523   19.00000   34  516   26.00000   17.00581  34.6%  38.9   10s
  2896   607   21.99438   33  496   26.00000   18.27660  29.7%  38.1   15s
  3427   645   23.72727   35  481   26.00000   19.00000  26.9%  36.8   20s
  4377   634     cutoff   37        26.00000   20.00000  23.1%  36.4   25s
  5487   513     cutoff   39        26.00000   21.14706  18.7%  36.1   30s
* 5751   401              42      25.0000000   21.40625  14.4%  35.6   30s

Explored 6519 nodes (231211 simplex iterations) in 34.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%