Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:48 2012

Optimize a model with 1 rows, 32 columns and 32 nonzeros
Model has 65 quadratic objective terms
Presolve time: 0.00s
Presolved: 66 rows, 97 columns, 227 nonzeros
Variable types: 0 continuous, 97 integer (97 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   21   23.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   19   21.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   47   19.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   19.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   16   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   25   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   15.00000    0.00000   100%     -    0s
     0     2    0.00000    0   20   15.00000    0.00000   100%     -    0s
H   81    54                      12.0000000    0.00000   100%   4.0    0s

Cutting planes:
  Cover: 117
  MIR: 9
  Zero half: 4

Explored 279 nodes (3322 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%