Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:06 2012

Optimize a model with 181 rows, 546 columns and 546 nonzeros
Model has 360 quadratic constraints
Presolve removed 0 rows and 21 columns
Presolve time: 2.10s
Presolved: 181 rows, 525 columns, 525 nonzeros
Variable types: 360 continuous, 165 integer (164 binary)

Root relaxation: objective 0.000000e+00, 65 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    3   86.00000    0.00000   100%     -    2s
     0     0    0.00000    0    2   86.00000    0.00000   100%     -    2s
     0     0    0.00000    0   78   86.00000    0.00000   100%     -    2s
     0     2    0.00000    0  121   86.00000    0.00000   100%     -    2s
H   27    27                      21.0000000    1.32353  93.7%  41.6    2s
*   33    33              21      11.0000000    1.32353  88.0%  36.7    2s
H   54    40                      10.0000000    1.37500  86.2%  30.1    2s
*   55    41              17       9.0000000    1.37500  84.7%  29.6    2s
H  118    69                       9.0000000    2.47059  72.5%  23.7    2s
*  118    60              12       8.0000000    2.47059  69.1%  23.7    2s
H  354    83                       8.0000000    3.72894  53.4%  20.5    2s

Cutting planes:

Explored 740 nodes (17243 simplex iterations) in 2.67 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.999999998918e+00, best bound 7.999999998918e+00, gap 0.0%