Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:57 2012

Optimize a model with 102 rows, 222 columns and 222 nonzeros
Model has 202 quadratic constraints
Presolve time: 1.17s
Presolved: 102 rows, 222 columns, 222 nonzeros
Variable types: 202 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                      55.0000000          -     -      -    1s
     0     0    0.00000    0   16   55.00000    0.00000   100%     -    1s
     0     0    0.41860    0   20   55.00000    0.41860  99.2%     -    1s
     0     2    0.45902    0   20   55.00000    0.45902  99.2%     -    1s
*   26    26              13      47.0000000    4.83036  89.7%  29.1    1s
H   50    36                      44.0000000    4.94643  88.8%  24.3    1s
*   50    36              13      43.0000000    4.94643  88.5%  24.5    1s
*   75    43              12      38.0000000    8.50000  77.6%  24.7    1s

Cutting planes:
  Gomory: 1

Explored 911 nodes (20867 simplex iterations) in 1.63 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.800000000000e+01, best bound 3.800000000000e+01, gap 0.0%