Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:00 2012

Optimize a model with 106 rows, 255 columns and 255 nonzeros
Model has 210 quadratic constraints
Presolve time: 1.23s
Presolved: 106 rows, 255 columns, 255 nonzeros
Variable types: 210 continuous, 45 integer (45 binary)

Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds

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

H    0     0                      49.0000000          -     -      -    1s
     0     0    0.00000    0    4   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   11   49.00000    0.00000   100%     -    1s
     0     0    0.00000    0   11   49.00000    0.00000   100%     -    1s
     0     2    0.00000    0   11   49.00000    0.00000   100%     -    1s
*   23    23              17      28.0000000    2.55172  90.9%  29.7    1s
*   60    47              25      27.0000000    2.62500  90.3%  21.0    1s
H  139    98                      26.0000000    3.45221  86.7%  23.7    1s
H  314   132                      24.0000000    7.14286  70.2%  22.3    1s
H  323    87                      21.0000000    8.50000  59.5%  22.3    1s

Cutting planes:
  Gomory: 1

Explored 768 nodes (18526 simplex iterations) in 1.68 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000023e+01, best bound 2.100000000023e+01, gap 0.0%