Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:55 2012

Optimize a model with 63 rows, 141 columns and 141 nonzeros
Model has 124 quadratic constraints
Presolve time: 0.72s
Presolved: 63 rows, 141 columns, 141 nonzeros
Variable types: 124 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                      34.0000000          -     -      -    0s
     0     0    0.00000    0   13   34.00000    0.00000   100%     -    0s
     0     0    0.28205    0   15   34.00000    0.28205  99.2%     -    0s
     0     2    0.53846    0   15   34.00000    0.53846  98.4%     -    0s
*   17    17              10      25.0000000    4.50000  82.0%  18.9    0s
*   18    16              10      24.0000000    4.50000  81.2%  18.1    0s
H   86    35                      23.0000000    7.85714  65.8%  16.5    0s
*  100    41               8      21.0000000    8.00000  61.9%  17.4    0s

Cutting planes:
  Gomory: 1

Explored 210 nodes (3251 simplex iterations) in 0.80 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%