Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:59:14 2012

Optimize a model with 189 rows, 570 columns and 570 nonzeros
Model has 376 quadratic constraints
Presolve removed 0 rows and 26 columns
Presolve time: 2.19s
Presolved: 189 rows, 544 columns, 544 nonzeros
Variable types: 376 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                      93.0000000          -     -      -    2s
     0     0    0.00000    0   53   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0  124   93.00000    0.00000   100%     -    2s
     0     0    0.00000    0  124   93.00000    0.00000   100%     -    2s
     0     2    0.00000    0  124   93.00000    0.00000   100%     -    2s
*   38    31              26      12.0000000    1.63889  86.3%  34.5    2s
*  117    52              20      10.0000000    1.88764  81.1%  19.5    2s
*  176    67               7       9.0000000    2.48736  72.4%  20.4    2s
*  286    68               9       8.0000000    3.19187  60.1%  19.3    2s

Cutting planes:

Explored 586 nodes (13022 simplex iterations) in 2.72 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%