Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:14 2012

Optimize a model with 1 rows, 43 columns and 43 nonzeros
Model has 94 quadratic objective terms
Modified 43 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 43 columns, 43 nonzeros
Presolved model has 137 quadratic objective terms
Variable types: 0 continuous, 43 integer (43 binary)
Found heuristic solution: objective 51.0000000

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   51.00000    0.00000   100%     -    0s
H    0     0                      40.0000000    0.00000   100%     -    0s
H    0     0                      38.0000000    0.00000   100%     -    0s
H    0     0                      36.0000000    0.00000   100%     -    0s
H    0     0                      25.0000000    0.00000   100%     -    0s
H    0     0                      24.0000000    0.00000   100%     -    0s
     0     2    0.94900    0   43   24.00000    0.94900  96.0%     -    0s
H    5     5                      22.0000000    1.26319  94.3%   1.6    0s
H   81    72                      21.0000000    1.26814  94.0%   2.3    0s
H  622   448                      19.0000000    3.65259  80.8%   2.5    0s

Explored 26609 nodes (72249 simplex iterations) in 2.08 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%