Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:44:25 2012

Optimize a model with 1 rows, 45 columns and 45 nonzeros
Model has 112 quadratic objective terms
Modified 44 Q diagonals
Presolve time: 0.01s
Presolved: 1 rows, 45 columns, 45 nonzeros
Presolved model has 156 quadratic objective terms
Variable types: 0 continuous, 45 integer (45 binary)
Found heuristic solution: objective 54.0000000

Root relaxation: objective 0.000000e+00, 48 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   44   54.00000    0.00000   100%     -    0s
H    0     0                      31.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   44   31.00000    0.00000   100%     -    0s
H  282   183                      27.0000000    5.73474  78.8%   2.7    0s
H  285   180                      26.0000000    5.73474  77.9%   2.7    0s
H  324   211                      25.0000000    5.73474  77.1%   2.6    0s

Explored 62981 nodes (157390 simplex iterations) in 4.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0%