Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:15:00 2012

Optimize a model with 106 rows, 260 columns and 260 nonzeros
Model has 210 quadratic constraints
Presolve time: 1.22s
Presolved: 106 rows, 260 columns, 260 nonzeros
Variable types: 210 continuous, 50 integer (50 binary)

Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds

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

H    0     0                      48.0000000          -     -      -    1s
     0     0    0.00000    0   26   48.00000    0.00000   100%     -    1s
     0     0    0.00000    0   14   48.00000    0.00000   100%     -    1s
     0     0    0.00000    0   14   48.00000    0.00000   100%     -    1s
     0     2    0.00000    0   47   48.00000    0.00000   100%     -    1s
*   39    38              22      23.0000000    3.40000  85.2%  25.7    1s
*  121    83              13      21.0000000    4.80402  77.1%  25.5    1s
*  233    98              11      20.0000000    7.39286  63.0%  26.4    1s
*  414    94              15      19.0000000   11.28571  40.6%  25.2    1s

Cutting planes:
  Gomory: 1

Explored 676 nodes (16188 simplex iterations) in 1.63 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%