Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:47 2012

Optimize a model with 187 rows, 557 columns and 557 nonzeros
Model has 372 quadratic constraints
Presolve removed 0 rows and 24 columns
Presolve time: 2.17s
Presolved: 187 rows, 533 columns, 533 nonzeros
Variable types: 372 continuous, 161 integer (160 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                      86.0000000          -     -      -    2s
     0     0    0.00000    0    7   86.00000    0.00000   100%     -    2s
     0     0    0.00000    0  102   86.00000    0.00000   100%     -    2s
     0     0    0.00000    0  102   86.00000    0.00000   100%     -    2s
     0     2    0.00000    0  100   86.00000    0.00000   100%     -    2s
*   18    18              12      12.0000000    1.40000  88.3%  60.2    2s
*   28    23              19      11.0000000    1.40000  87.3%  45.2    2s
H  108    50                      10.0000000    3.06452  69.4%  25.6    2s
*  121    33               8       9.0000000    3.40000  62.2%  25.0    2s
H  176    27                       9.0000000    5.07627  43.6%  27.8    2s

Cutting planes:

Explored 258 nodes (9267 simplex iterations) in 2.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.999999998930e+00, best bound 8.999999998930e+00, gap 0.0%