Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:58 2012

Optimize a model with 100 rows, 240 columns and 240 nonzeros
Model has 198 quadratic constraints
Presolve time: 1.15s
Presolved: 100 rows, 240 columns, 240 nonzeros
Variable types: 198 continuous, 42 integer (42 binary)

Root relaxation: objective 0.000000e+00, 21 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    0.00000    0   22   53.00000    0.00000   100%     -    1s
     0     0    0.00000    0   18   53.00000    0.00000   100%     -    1s
     0     2    0.00000    0   18   53.00000    0.00000   100%     -    1s
*   22    22              16      27.0000000    2.62500  90.3%  28.5    1s
*   64    44              17      26.0000000    5.00000  80.8%  24.2    1s
H  123    74                      24.0000000    7.77778  67.6%  23.2    1s
*  293    94              10      23.0000000   10.95652  52.4%  19.6    1s
*  376    73               8      20.0000000   11.73333  41.3%  19.8    1s

Cutting planes:
  Gomory: 1

Explored 561 nodes (12346 simplex iterations) in 1.47 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%