Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:56 2012

Optimize a model with 60 rows, 135 columns and 135 nonzeros
Model has 118 quadratic constraints
Presolve time: 0.68s
Presolved: 60 rows, 135 columns, 135 nonzeros
Variable types: 118 continuous, 17 integer (17 binary)

Root relaxation: objective 0.000000e+00, 8 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   13   33.00000    0.00000   100%     -    0s
     0     0    0.25197    0   16   33.00000    0.25197  99.2%     -    0s
     0     2    0.27848    0   16   33.00000    0.27848  99.2%     -    0s
*   22    20              13      24.0000000    5.39249  77.5%  18.3    0s
*   43    27              12      23.0000000    6.00360  73.9%  15.1    0s
*  123    54               7      22.0000000   10.29033  53.2%  17.4    0s

Cutting planes:
  Gomory: 1

Explored 299 nodes (4786 simplex iterations) in 0.79 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%