Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:37 2012

Optimize a model with 1 rows, 46 columns and 46 nonzeros
Model has 106 quadratic objective terms
Modified 45 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 46 columns, 46 nonzeros
Presolved model has 151 quadratic objective terms
Variable types: 0 continuous, 46 integer (46 binary)
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 49 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   45   58.00000    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                      30.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   45   30.00000    0.00000   100%     -    0s
H  189   159                      29.0000000    4.88343  83.2%   2.7    0s
H  268   215                      28.0000000    4.96186  82.3%   2.7    0s
H  632   462                      27.0000000    6.21574  77.0%   2.8    0s
H  659   456                      26.0000000    6.21574  76.1%   2.8    0s
H  842   500                      25.0000000    7.01738  71.9%   2.8    0s
 68368 18199   23.62541   31   24   25.00000   19.73327  21.1%   2.6    5s
 136615 18471   21.45281   28   26   25.00000   21.45281  14.2%   2.6   10s

Explored 200462 nodes (521467 simplex iterations) in 14.72 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%