Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:25 2012

Optimize a model with 1 rows, 36 columns and 36 nonzeros
Model has 81 quadratic objective terms
Modified 36 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 36 columns, 36 nonzeros
Presolved model has 117 quadratic objective terms
Variable types: 0 continuous, 36 integer (36 binary)
Found heuristic solution: objective 46.0000000

Root relaxation: objective 0.000000e+00, 38 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   36   46.00000    0.00000   100%     -    0s
H    0     0                      29.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     2    0.78233    0   36   22.00000    0.78233  96.4%     -    0s
H  236   193                      21.0000000    4.47772  78.7%   2.2    0s
H  302   234                      20.0000000    4.47890  77.6%   2.3    0s
H  433   297                      19.0000000    4.98670  73.8%   2.3    0s

Explored 24072 nodes (60225 simplex iterations) in 1.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%