Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:02 2012

Optimize a model with 68 rows, 181 columns and 181 nonzeros
Model has 134 quadratic constraints
Presolve time: 0.78s
Presolved: 68 rows, 181 columns, 181 nonzeros
Variable types: 134 continuous, 47 integer (47 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      34.0000000          -     -      -    0s
     0     0    0.00000    0    2   34.00000    0.00000   100%     -    0s
     0     0    0.00000    0   28   34.00000    0.00000   100%     -    0s
     0     0    0.00000    0   23   34.00000    0.00000   100%     -    0s
     0     2    0.00000    0   23   34.00000    0.00000   100%     -    0s
*   21    21              13      17.0000000    2.75000  83.8%  21.0    0s
H   43    29                      13.0000000    3.00000  76.9%  14.9    0s
*   45    29              13      11.0000000    3.00000  72.7%  15.5    0s
*   55    29               9      10.0000000    3.00000  70.0%  14.5    0s
*   79    29              14       9.0000000    3.04167  66.2%  12.8    0s
*  126    14               8       8.0000000    4.09091  48.9%  12.9    0s

Cutting planes:

Explored 148 nodes (2321 simplex iterations) in 0.84 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%