Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:38 2012

Optimize a model with 59 rows, 131 columns and 131 nonzeros
Model has 116 quadratic constraints
Presolve time: 0.68s
Presolved: 59 rows, 131 columns, 131 nonzeros
Variable types: 116 continuous, 15 integer (15 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                      34.0000000          -     -      -    0s
     0     0    0.00000    0   12   34.00000    0.00000   100%     -    0s
     0     0    0.36667    0   15   34.00000    0.36667  98.9%     -    0s
     0     2    0.44444    0   15   34.00000    0.44444  98.7%     -    0s
*   18    18              10      28.0000000    5.56250  80.1%  17.7    0s
*   19    17              10      27.0000000    5.56250  79.4%  16.8    0s
*   40    26              11      26.0000000    5.75000  77.9%  16.8    0s
H   55    31                      25.0000000    7.58333  69.7%  15.9    0s
H   85    45                      24.0000000   11.00000  54.2%  16.9    0s
*  245    37               8      23.0000000   17.40000  24.3%  13.2    0s

Cutting planes:
  Gomory: 2

Explored 332 nodes (4171 simplex iterations) in 0.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.300000000000e+01, best bound 2.300000000000e+01, gap 0.0%