Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:33 2012

Optimize a model with 78 rows, 209 columns and 209 nonzeros
Model has 154 quadratic constraints
Presolve removed 0 rows and 1 columns
Presolve time: 0.90s
Presolved: 78 rows, 208 columns, 208 nonzeros
Variable types: 154 continuous, 54 integer (53 binary)

Root relaxation: objective 0.000000e+00, 26 iterations, 0.00 seconds

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

H    0     0                      33.0000000          -     -      -    0s
     0     0    0.00000    0    2   33.00000    0.00000   100%     -    0s
     0     0    0.00000    0   43   33.00000    0.00000   100%     -    0s
     0     0    0.00000    0   43   33.00000    0.00000   100%     -    0s
     0     2    0.00000    0   43   33.00000    0.00000   100%     -    0s
*   21    18              15      12.0000000    4.00000  66.7%  23.9    0s
*   24    16              15      11.0000000    4.00000  63.6%  22.0    0s
*   39    18              12      10.0000000    4.55319  54.5%  19.1    0s
*   61    20               8       9.0000000    4.68085  48.0%  16.9    0s

Cutting planes:

Explored 136 nodes (2632 simplex iterations) in 0.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%