Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:47:02 2012

Optimize a model with 118 rows, 280 columns and 280 nonzeros
Model has 234 quadratic constraints
Presolve time: 1.36s
Presolved: 118 rows, 280 columns, 280 nonzeros
Variable types: 234 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                      58.0000000          -     -      -    1s
     0     0    0.00000    0   23   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0   40   58.00000    0.00000   100%     -    1s
     0     0    0.00000    0   33   58.00000    0.00000   100%     -    1s
     0     2    0.00000    0   33   58.00000    0.00000   100%     -    1s
H   44    44                      35.0000000    5.11111  85.4%  23.7    1s
H   81    67                      33.0000000    5.11111  84.5%  21.5    1s
*  106    66              17      29.0000000    6.55556  77.4%  22.5    1s
*  851   278              45      28.0000000   15.04167  46.3%  30.2    2s
* 1089   222              45      27.0000000   17.40000  35.6%  27.7    2s

Explored 1925 nodes (44188 simplex iterations) in 3.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.700000000000e+01, best bound 2.700000000000e+01, gap 0.0%