Gurobi 5.0.1 (linux64) logging started Sun Nov 18 08:31:08 2012

Optimize a model with 273 rows, 781 columns and 781 nonzeros
Model has 544 quadratic constraints
Presolve removed 0 rows and 17 columns
Presolve time: 3.17s
Presolved: 273 rows, 764 columns, 764 nonzeros
Variable types: 544 continuous, 220 integer (219 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                     132.0000000          -     -      -    3s
     0     0    0.00000    0    2  132.00000    0.00000   100%     -    3s
     0     0    0.00000    0    3  132.00000    0.00000   100%     -    3s
     0     0    0.00000    0   68  132.00000    0.00000   100%     -    3s
     0     2    0.00000    0   68  132.00000    0.00000   100%     -    3s
H   52    52                      25.0000000    2.00000  92.0%  25.8    3s
H   54    54                      24.0000000    2.00000  91.7%  26.4    3s
*   73    62              58      23.0000000    2.00000  91.3%  22.5    3s
H  166    87                      18.0000000    4.65000  74.2%  19.7    3s
   601   267   11.53247    8   68   18.00000    8.61041  52.2%  18.5    5s
*  941   295              46      17.0000000    8.61041  49.4%  36.3    7s

Explored 2118 nodes (73638 simplex iterations) in 9.95 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%