Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:03:02 2012

Optimize a model with 225 rows, 647 columns and 647 nonzeros
Model has 448 quadratic constraints
Presolve removed 0 rows and 11 columns
Presolve time: 2.62s
Presolved: 225 rows, 636 columns, 636 nonzeros
Variable types: 448 continuous, 188 integer (187 binary)

Root relaxation: objective 0.000000e+00, 79 iterations, 0.00 seconds

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

H    0     0                     106.0000000          -     -      -    2s
     0     0    0.00000    0    2  106.00000    0.00000   100%     -    2s
     0     0    0.00000    0  103  106.00000    0.00000   100%     -    2s
     0     0    0.00000    0   76  106.00000    0.00000   100%     -    2s
     0     2    0.00000    0   76  106.00000    0.00000   100%     -    2s
H   27    27                      15.0000000    1.81319  87.9%  38.5    2s
*   82    41              59      14.0000000    1.81319  87.0%  24.1    2s
H  139    57                      12.0000000    2.98667  75.1%  20.9    2s
*  212    74              18      11.0000000    4.00000  63.6%  18.4    2s
*  311    53              18      10.0000000    4.21212  57.9%  18.8    2s
H  656    62                      10.0000000    8.40091  16.0%  19.5    3s
*  665     7               9       9.0000000    8.55102  4.99%  19.4    3s

Cutting planes:

Explored 673 nodes (14673 simplex iterations) in 3.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%