Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:15 2012

Optimize a model with 1 rows, 45 columns and 45 nonzeros
Model has 95 quadratic objective terms
Modified 45 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 45 columns, 45 nonzeros
Presolved model has 140 quadratic objective terms
Variable types: 0 continuous, 45 integer (45 binary)
Found heuristic solution: objective 52.0000000

Root relaxation: objective 0.000000e+00, 47 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   45   52.00000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
H    0     0                      22.0000000    0.00000   100%     -    0s
     0     2    1.10979    0   45   22.00000    1.10979  95.0%     -    0s
H  181   148                      21.0000000    3.01809  85.6%   2.3    0s
H  270   200                      19.0000000    3.34076  82.4%   2.4    0s

Explored 47020 nodes (121191 simplex iterations) in 3.58 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%