Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:54 2012

Optimize a model with 106 rows, 230 columns and 230 nonzeros
Model has 210 quadratic constraints
Presolve time: 1.22s
Presolved: 106 rows, 230 columns, 230 nonzeros
Variable types: 210 continuous, 20 integer (20 binary)

Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds

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

H    0     0                      53.0000000          -     -      -    1s
     0     0    0.00000    0   18   53.00000    0.00000   100%     -    1s
     0     0    0.50000    0   20   53.00000    0.50000  99.1%     -    1s
     0     2    0.76786    0   20   53.00000    0.76786  98.6%     -    1s
H   24    24                      48.0000000    7.37500  84.6%  29.6    1s
*   27    27              14      45.0000000    7.37500  83.6%  28.5    1s
*   30    24              16      44.0000000    7.37500  83.2%  25.9    1s
*  131    89              13      42.0000000   14.80000  64.8%  26.7    1s
*  736   147              12      41.0000000   28.77855  29.8%  19.9    1s

Cutting planes:
  Gomory: 1

Explored 1557 nodes (28219 simplex iterations) in 1.84 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%