Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:17 2012

Optimize a model with 190 rows, 564 columns and 564 nonzeros
Model has 378 quadratic constraints
Presolve removed 0 rows and 18 columns
Presolve time: 2.20s
Presolved: 190 rows, 546 columns, 546 nonzeros
Variable types: 378 continuous, 168 integer (167 binary)

Root relaxation: objective 0.000000e+00, 67 iterations, 0.00 seconds

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

H    0     0                      92.0000000          -     -      -    2s
     0     0    0.00000    0   91   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0  102   92.00000    0.00000   100%     -    2s
     0     0    0.00000    0  102   92.00000    0.00000   100%     -    2s
     0     2    0.00000    0  102   92.00000    0.00000   100%     -    2s
H   27    27                      28.0000000    3.05357  89.1%  28.4    2s
*   29    29              21      14.0000000    3.05357  78.2%  28.0    2s
*   96    42              20      12.0000000    3.92537  67.3%  15.3    2s
*   98    37              22      11.0000000    3.92537  64.3%  15.0    2s
*  131    34              11       9.0000000    4.35821  51.6%  14.3    2s
H  274    55                       9.0000000    5.22449  42.0%  14.7    2s
*  564    23              12       8.0000000    7.26230  9.22%  13.5    2s

Cutting planes:
  Gomory: 3

Explored 589 nodes (9584 simplex iterations) in 2.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%