Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:49 2012

Optimize a model with 1 rows, 38 columns and 38 nonzeros
Model has 71 quadratic objective terms
Presolve time: 0.00s
Presolved: 72 rows, 109 columns, 251 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 0.000000e+00, 87 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   28   34.00000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   22   28.00000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   55   18.00000    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   24   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   24   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   24   13.00000    0.00000   100%     -    0s

Cutting planes:
  Cover: 133
  MIR: 11
  Zero half: 5

Explored 256 nodes (4664 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%