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 54 quadratic objective terms
Presolve time: 0.00s
Presolved: 55 rows, 86 columns, 194 nonzeros
Variable types: 0 continuous, 86 integer (86 binary)
Found heuristic solution: objective 25.0000000

Root relaxation: objective 0.000000e+00, 72 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   25.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   25.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   17   15.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   27   10.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   10.00000    0.00000   100%     -    0s
     0     2    0.00000    0   18   10.00000    0.00000   100%     -    0s

Cutting planes:
  Cover: 100

Explored 264 nodes (3046 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%