Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:48:25 2012

Optimize a model with 1 rows, 47 columns and 47 nonzeros
Model has 116 quadratic objective terms
Modified 46 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 47 columns, 47 nonzeros
Presolved model has 162 quadratic objective terms
Variable types: 0 continuous, 47 integer (47 binary)
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 50 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   46   58.00000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
H    0     0                      46.0000000    0.00000   100%     -    0s
H    0     0                      38.0000000    0.00000   100%     -    0s
H    0     0                      30.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   46   30.00000    0.00000   100%     -    0s
H   40    40                      29.0000000    2.30901  92.0%   2.9    0s
H  618   462                      26.0000000    5.65687  78.2%   2.7    0s
H  626   445                      24.0000000    5.65687  76.4%   2.7    0s

Explored 43084 nodes (107951 simplex iterations) in 3.57 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.400000000000e+01, best bound 2.400000000000e+01, gap 0.0%