Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:43:44 2012

Optimize a model with 94 rows, 230 columns and 230 nonzeros
Model has 186 quadratic constraints
Presolve time: 1.08s
Presolved: 94 rows, 230 columns, 230 nonzeros
Variable types: 186 continuous, 44 integer (44 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                      47.0000000          -     -      -    1s
     0     0    0.00000    0   22   47.00000    0.00000   100%     -    1s
     0     0    0.00000    0   22   47.00000    0.00000   100%     -    1s
     0     0    0.00000    0   41   47.00000    0.00000   100%     -    1s
     0     2    0.00000    0   41   47.00000    0.00000   100%     -    1s
*   33    33              19      23.0000000    5.12195  77.7%  23.2    1s
*   55    44              14      21.0000000    5.27500  74.9%  20.5    1s
*  112    64               9      20.0000000    8.07692  59.6%  22.9    1s

Cutting planes:

Explored 431 nodes (9479 simplex iterations) in 1.30 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%