Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:47:05 2012

Optimize a model with 111 rows, 266 columns and 266 nonzeros
Model has 220 quadratic constraints
Presolve time: 1.28s
Presolved: 111 rows, 266 columns, 266 nonzeros
Variable types: 220 continuous, 46 integer (46 binary)

Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds

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

H    0     0                      56.0000000          -     -      -    1s
     0     0    0.00000    0   41   56.00000    0.00000   100%     -    1s
     0     0    0.46082    0   45   56.00000    0.46082  99.2%     -    1s
     0     2    0.47368    0   45   56.00000    0.47368  99.2%     -    1s
H   42    42                      33.0000000    3.48684  89.4%  23.3    1s
*   43    40              25      32.0000000    3.48684  89.1%  23.3    1s
*   44    38              25      31.0000000    3.48684  88.8%  23.0    1s
*   75    60              19      30.0000000    3.52632  88.2%  23.8    1s
*  101    78              16      29.0000000    3.83041  86.8%  23.1    1s
*  278   162              20      27.0000000    7.63158  71.7%  27.7    1s
*  302   167              16      26.0000000    7.75148  70.2%  28.0    1s
*  506   204              13      25.0000000   11.21854  55.1%  25.2    1s
*  947   257              35      24.0000000   16.00000  33.3%  29.6    2s

Explored 1359 nodes (35370 simplex iterations) in 2.65 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%