Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:08 2012

Optimize a model with 67 rows, 166 columns and 166 nonzeros
Model has 132 quadratic constraints
Presolve time: 0.77s
Presolved: 67 rows, 166 columns, 166 nonzeros
Variable types: 132 continuous, 34 integer (34 binary)

Root relaxation: objective 0.000000e+00, 17 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   18   32.00000    0.00000   100%     -    0s
     0     0    0.06417    0   32   32.00000    0.06417   100%     -    0s
     0     2    0.13333    0   32   32.00000    0.13333   100%     -    0s
*   20    20              13      18.0000000    3.09091  82.8%  21.6    0s
*   24    22              15      17.0000000    3.09091  81.8%  19.3    0s
*   46    32              12      16.0000000    3.18750  80.1%  16.3    0s
H   55    28                      15.0000000    4.43183  70.5%  16.7    0s
*   61    26              11      14.0000000    4.43183  68.3%  16.1    0s
*  152    19               5      12.0000000    8.44526  29.6%  18.0    0s

Cutting planes:
  Gomory: 1

Explored 178 nodes (3422 simplex iterations) in 0.85 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%