Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:45 2012

Optimize a model with 1 rows, 45 columns and 45 nonzeros
Model has 128 quadratic objective terms
Modified 45 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 45 columns, 45 nonzeros
Presolved model has 173 quadratic objective terms
Variable types: 0 continuous, 45 integer (45 binary)
Found heuristic solution: objective 59.0000000

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   59.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
     0     2    1.81144    0   45   33.00000    1.81144  94.5%     -    0s
H   10    10                      32.0000000    2.40844  92.5%   1.9    0s
H  542   359                      30.0000000    6.29159  79.0%   2.5    0s
H 5306  2249                      29.0000000   16.06240  44.6%   2.5    0s
H20894  6556                      28.0000000   20.22093  27.8%   2.4    1s
 57991  6985   26.66536   32   25   28.00000   23.61916  15.6%   2.4    5s

Explored 80860 nodes (194953 simplex iterations) in 6.99 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.800000000000e+01, best bound 2.800000000000e+01, gap 0.0%