Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:30 2012

Optimize a model with 39 rows, 90 columns and 90 nonzeros
Model has 76 quadratic constraints
Presolve time: 0.44s
Presolved: 39 rows, 90 columns, 90 nonzeros
Variable types: 76 continuous, 14 integer (14 binary)

Root relaxation: objective 0.000000e+00, 7 iterations, 0.00 seconds

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

H    0     0                      19.0000000          -     -      -    0s
     0     0    0.00000    0   11   19.00000    0.00000   100%     -    0s
     0     0    0.47458    0   14   19.00000    0.47458  97.5%     -    0s
     0     2    0.55556    0   14   19.00000    0.55556  97.1%     -    0s
*   12    12               7      14.0000000    3.66667  73.8%  13.4    0s
*   26    12               7      13.0000000    3.66667  71.8%  10.5    0s

Cutting planes:
  Gomory: 1

Explored 86 nodes (870 simplex iterations) in 0.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%