Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:27 2012

Optimize a model with 1 rows, 42 columns and 42 nonzeros
Model has 99 quadratic objective terms
Modified 42 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 42 columns, 42 nonzeros
Presolved model has 141 quadratic objective terms
Variable types: 0 continuous, 42 integer (42 binary)
Found heuristic solution: objective 52.0000000

Root relaxation: objective 0.000000e+00, 44 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   42   52.00000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
     0     2    1.94305    0   42   25.00000    1.94305  92.2%     -    0s
H   49    41                      24.0000000    3.38558  85.9%   2.4    0s
H   54    44                      23.0000000    3.38558  85.3%   2.4    0s
H   63    49                      20.0000000    3.38558  83.1%   2.3    0s

Explored 21480 nodes (52484 simplex iterations) in 1.71 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%