Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:16 2012

Optimize a model with 1 rows, 43 columns and 43 nonzeros
Model has 98 quadratic objective terms
Modified 43 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 43 columns, 43 nonzeros
Presolved model has 141 quadratic objective terms
Variable types: 0 continuous, 43 integer (43 binary)
Found heuristic solution: objective 50.0000000

Root relaxation: objective 0.000000e+00, 45 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   43   50.00000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     2    1.94798    0   43   25.00000    1.94798  92.2%     -    0s
H   31    31                      23.0000000    2.76989  88.0%   2.6    0s
H  239   195                      22.0000000    4.32685  80.3%   2.4    0s
H  243   185                      21.0000000    4.32685  79.4%   2.4    0s
H 1537   574                      20.0000000    9.79677  51.0%   2.6    0s

Explored 25512 nodes (65673 simplex iterations) in 2.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+01, best bound 2.000000000000e+01, gap 0.0%