Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:44 2012

Optimize a model with 1 rows, 41 columns and 41 nonzeros
Model has 89 quadratic objective terms
Modified 41 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 41 columns, 41 nonzeros
Presolved model has 130 quadratic objective terms
Variable types: 0 continuous, 41 integer (41 binary)
Found heuristic solution: objective 42.0000000

Root relaxation: objective 0.000000e+00, 43 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   41   42.00000    0.00000   100%     -    0s
H    0     0                      35.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      27.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    1.16367    0   41   24.00000    1.16367  95.2%     -    0s
H    5     5                      20.0000000    2.04668  89.8%   1.6    0s
H   11    11                      19.0000000    2.04668  89.2%   1.8    0s
H 3612  1318                      18.0000000   10.98254  39.0%   2.6    0s

Explored 24649 nodes (63145 simplex iterations) in 1.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.800000000000e+01, best bound 1.800000000000e+01, gap 0.0%