Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:41:37 2012

Optimize a model with 1 rows, 42 columns and 42 nonzeros
Model has 94 quadratic objective terms
Modified 42 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 42 columns, 42 nonzeros
Presolved model has 136 quadratic objective terms
Variable types: 0 continuous, 42 integer (42 binary)
Found heuristic solution: objective 47.0000000

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   47.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
H    0     0                      26.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    1.83271    0   42   24.00000    1.83271  92.4%     -    0s
H  592   397                      23.0000000    6.29117  72.6%   2.5    0s
H  918   522                      21.0000000    6.39163  69.6%   2.6    0s

Explored 47243 nodes (120018 simplex iterations) in 3.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.100000000000e+01, best bound 2.100000000000e+01, gap 0.0%