Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:09 2012

Optimize a model with 67 rows, 171 columns and 171 nonzeros
Model has 132 quadratic constraints
Presolve removed 0 rows and 3 columns
Presolve time: 0.77s
Presolved: 67 rows, 168 columns, 168 nonzeros
Variable types: 132 continuous, 36 integer (35 binary)

Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds

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

H    0     0                      32.0000000          -     -      -    0s
     0     0    0.00000    0   13   32.00000    0.00000   100%     -    0s
     0     0    0.00000    0   16   32.00000    0.00000   100%     -    0s
     0     0    0.00000    0   31   32.00000    0.00000   100%     -    0s
     0     2    0.00000    0   31   32.00000    0.00000   100%     -    0s
*   30    30              18      18.0000000    1.00000  94.4%  21.4    0s
*   52    38              11      17.0000000    1.00000  94.1%  22.5    0s
*   69    35              11      12.0000000    1.45455  87.9%  21.3    0s

Cutting planes:

Explored 352 nodes (7464 simplex iterations) in 0.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%