Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:53:23 2012

Optimize a model with 1 rows, 48 columns and 48 nonzeros
Model has 117 quadratic objective terms
Modified 48 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 48 columns, 48 nonzeros
Presolved model has 165 quadratic objective terms
Variable types: 0 continuous, 48 integer (48 binary)
Found heuristic solution: objective 66.0000000

Root relaxation: objective 0.000000e+00, 50 iterations, 0.00 seconds

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

     0     0    0.00000    0   48   66.00000    0.00000   100%     -    0s
H    0     0                      36.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
H    0     0                      32.0000000    0.00000   100%     -    0s
     0     2    2.52329    0   48   32.00000    2.52329  92.1%     -    0s
H  138   103                      30.0000000    3.85231  87.2%   2.2    0s
H  427   340                      29.0000000    4.71138  83.8%   2.2    0s
H  538   379                      26.0000000    5.05682  80.6%   2.3    0s
H  621   400                      25.0000000    5.21161  79.2%   2.4    0s
 58897 10820   23.68691   29   27   25.00000   20.32585  18.7%   2.5    5s

Explored 109930 nodes (279700 simplex iterations) in 9.33 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%