Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:59 2012

Optimize a model with 61 rows, 153 columns and 153 nonzeros
Model has 120 quadratic constraints
Presolve time: 0.70s
Presolved: 61 rows, 153 columns, 153 nonzeros
Variable types: 120 continuous, 33 integer (33 binary)

Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds

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

H    0     0                      29.0000000          -     -      -    0s
     0     0    0.00000    0    2   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0    2   29.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   29.00000    0.00000   100%     -    0s
     0     2    0.00000    0   18   29.00000    0.00000   100%     -    0s
*   18    18              12      13.0000000    4.25000  67.3%  22.4    0s
*   90    39              12      12.0000000    4.92308  59.0%  12.2    0s

Cutting planes:

Explored 479 nodes (4794 simplex iterations) in 0.81 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%