Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:34 2012

Optimize a model with 1 rows, 30 columns and 30 nonzeros
Model has 57 quadratic objective terms
Presolve time: 0.00s
Presolved: 58 rows, 87 columns, 201 nonzeros
Variable types: 0 continuous, 87 integer (87 binary)
Found heuristic solution: objective 21.0000000

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   19   21.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   30   19.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   18.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   20   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   13.00000    0.00000   100%     -    0s
H    0     0                      11.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   19   11.00000    0.00000   100%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 109
  MIR: 6

Explored 246 nodes (3016 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%