Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:49:59 2012

Optimize a model with 1 rows, 47 columns and 47 nonzeros
Model has 115 quadratic objective terms
Modified 47 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 47 columns, 47 nonzeros
Presolved model has 162 quadratic objective terms
Variable types: 0 continuous, 47 integer (47 binary)
Found heuristic solution: objective 71.0000000

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   47   71.00000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     2    1.61220    0   47   30.00000    1.61220  94.6%     -    0s
H  435   364                      29.0000000    4.64996  84.0%   2.1    0s
H  568   461                      28.0000000    5.03665  82.0%   2.2    0s
H  779   556                      27.0000000    5.65537  79.1%   2.3    0s
H 1408   687                      26.0000000    8.23746  68.3%   2.5    0s
H 4399  1967                      25.0000000   12.68822  49.2%   2.4    0s
 61468 15784   19.30762   23   35   25.00000   19.30762  22.8%   2.4    5s
 123047 15408   22.88686   29   26   25.00000   21.22294  15.1%   2.5   10s

Explored 173291 nodes (426721 simplex iterations) in 14.10 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%