Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:52:07 2012

Optimize a model with 116 rows, 277 columns and 277 nonzeros
Model has 230 quadratic constraints
Presolve time: 1.34s
Presolved: 116 rows, 277 columns, 277 nonzeros
Variable types: 230 continuous, 47 integer (47 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                      54.0000000          -     -      -    1s
     0     0    0.00000    0    3   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   45   54.00000    0.00000   100%     -    1s
     0     0    0.00000    0   44   54.00000    0.00000   100%     -    1s
     0     2    0.00000    0   44   54.00000    0.00000   100%     -    1s
*   40    36              23      34.0000000    2.09091  93.9%  32.1    1s
H   99    61                      29.0000000    4.50000  84.5%  26.0    1s
*  100    58              16      28.0000000    4.50000  83.9%  25.8    1s
H  132    71                      27.0000000    4.77778  82.3%  28.2    1s
H  419   153                      26.0000000   10.20000  60.8%  28.1    1s
* 1716   159              29      25.0000000   19.15152  23.4%  25.1    2s

Explored 2086 nodes (49335 simplex iterations) in 3.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%