Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:20:41 2012

Optimize a model with 120 rows, 303 columns and 303 nonzeros
Model has 238 quadratic constraints
Presolve time: 1.39s
Presolved: 120 rows, 303 columns, 303 nonzeros
Variable types: 238 continuous, 65 integer (65 binary)

Root relaxation: objective 0.000000e+00, 32 iterations, 0.00 seconds

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

H    0     0                      68.0000000          -     -      -    1s
     0     0    0.00000    0   33   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   61   68.00000    0.00000   100%     -    1s
     0     0    0.00000    0   61   68.00000    0.00000   100%     -    1s
     0     2    0.00000    0   61   68.00000    0.00000   100%     -    1s
*   38    38              21      24.0000000    5.68966  76.3%  30.0    1s
H   40    36                      23.0000000    5.68966  75.3%  28.6    1s
*  131    87              15      22.0000000    7.44444  66.2%  22.9    1s
*  275   107              13      20.0000000   10.96667  45.2%  24.1    1s

Cutting planes:

Explored 973 nodes (22844 simplex iterations) in 1.97 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+01, best bound 2.000000000000e+01, gap 0.0%