Gurobi 5.0.1 (linux64) logging started Sun Nov 18 10:03:20 2012

Optimize a model with 310 rows, 864 columns and 864 nonzeros
Model has 618 quadratic constraints
Presolve removed 0 rows and 15 columns
Presolve time: 3.60s
Presolved: 310 rows, 849 columns, 849 nonzeros
Variable types: 618 continuous, 231 integer (230 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                     154.0000000          -     -      -    3s
     0     0    0.00000    0  159  154.00000    0.00000   100%     -    3s
     0     0    0.11765    0  204  154.00000    0.11765   100%     -    3s
     0     2    0.12838    0  204  154.00000    0.12838   100%     -    3s
H   51    51                      27.0000000    1.26471  95.3%  31.2    3s
*   56    56              31      26.0000000    1.26471  95.1%  33.1    3s
*  339   182              14      24.0000000    6.18605  74.2%  35.5    4s
   601   274   21.68421   12  204   24.00000    9.75862  59.3%  35.5    8s
   972   408   22.50000   35  431   24.00000    9.75862  59.3%  46.9   10s
  3105   804   22.26069   33  483   24.00000   15.20342  36.7%  32.8   15s
  5464  1189   21.03955   33  479   24.00000   17.33333  27.8%  28.6   20s
  7925  1368     cutoff   34        24.00000   18.66369  22.2%  26.8   25s
 10443  1356   23.35614   34  383   24.00000   19.60681  18.3%  25.8   30s
 12964  1173   22.89081   35  484   24.00000   20.45070  14.8%  25.4   35s
 15696   764   23.83980   36  301   24.00000   21.50407  10.4%  24.7   40s

Explored 17804 nodes (430576 simplex iterations) in 43.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%