Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:46:12 2012

Optimize a model with 250 rows, 719 columns and 719 nonzeros
Model has 498 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 2.91s
Presolved: 250 rows, 698 columns, 698 nonzeros
Variable types: 498 continuous, 200 integer (199 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                     114.0000000          -     -      -    2s
     0     0    0.00000    0  101  114.00000    0.00000   100%     -    2s
     0     0    0.00000    0  138  114.00000    0.00000   100%     -    2s
     0     0    0.00000    0  132  114.00000    0.00000   100%     -    2s
     0     2    0.00000    0  132  114.00000    0.00000   100%     -    3s
H   54    54                      19.0000000    2.08824  89.0%  35.5    3s
*   58    50              34      18.0000000    2.08824  88.4%  34.1    3s
H   85    63                      17.0000000    2.14667  87.4%  30.9    3s
*  233   110              28      16.0000000    4.57851  71.4%  27.4    3s
*  536    98              25      14.0000000    8.98462  35.8%  25.0    3s
*  728    44               6      13.0000000   10.40000  20.0%  25.3    3s

Cutting planes:
  Gomory: 1

Explored 786 nodes (22358 simplex iterations) in 3.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%