Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:04 2012

Optimize a model with 1 rows, 34 columns and 34 nonzeros
Model has 66 quadratic objective terms
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 67 rows, 99 columns, 231 nonzeros
Variable types: 0 continuous, 99 integer (98 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 77 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   25   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   51   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   25   23.00000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   25   19.00000    0.00000   100%     -    0s
H   80    54                      18.0000000    0.00000   100%   4.1    0s
H   84    56                      17.0000000    0.00000   100%   4.3    0s
H  131    83                      16.0000000    1.00000  93.8%   5.6    0s
H  177    84                      14.0000000    1.84211  86.8%   6.0    0s

Cutting planes:
  Gomory: 1
  Cover: 126

Explored 315 nodes (3795 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.400000000000e+01, best bound 1.400000000000e+01, gap 0.0%