Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:35:36 2012

Optimize a model with 244 rows, 704 columns and 704 nonzeros
Model has 486 quadratic constraints
Presolve removed 0 rows and 19 columns
Presolve time: 2.83s
Presolved: 244 rows, 685 columns, 685 nonzeros
Variable types: 486 continuous, 199 integer (198 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                     107.0000000          -     -      -    2s
     0     0    0.00000    0    3  107.00000    0.00000   100%     -    2s
     0     0    0.00000    0   94  107.00000    0.00000   100%     -    2s
     0     0    0.00000    0   59  107.00000    0.00000   100%     -    2s
     0     2    0.00000    0   59  107.00000    0.00000   100%     -    2s
H   36    36                      25.0000000    0.98077  96.1%  35.7    3s
*   51    51              38      20.0000000    0.98077  95.1%  30.9    3s
*   52    44              39      19.0000000    0.98077  94.8%  30.4    3s
*  307   157              33      18.0000000    3.23529  82.0%  19.8    3s
*  526   234              25      17.0000000    4.61111  72.9%  18.9    3s
   807   356    5.60317   29  430   17.00000    5.60317  67.0%  28.6    5s
* 2182   373              40      16.0000000    9.39130  41.3%  27.2    7s
* 3213   274              43      15.0000000   11.50000  23.3%  27.5    9s
  3609   108   14.00000   37  399   15.00000   13.00000  13.3%  28.0   10s

Explored 3756 nodes (105433 simplex iterations) in 10.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%