Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:55 2012

Optimize a model with 1 rows, 33 columns and 33 nonzeros
Model has 58 quadratic objective terms
Presolve time: 0.00s
Presolved: 59 rows, 91 columns, 207 nonzeros
Variable types: 0 continuous, 91 integer (91 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   19   23.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    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   27   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   18   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   17   15.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   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   56    36                      14.0000000    0.00000   100%   4.8    0s
H  102    55                      12.0000000    0.57143  95.2%   7.0    0s
H  104    50                      11.0000000    0.57143  94.8%   6.9    0s
H  181    46                      10.0000000    2.00000  80.0%   7.8    0s

Cutting planes:
  Gomory: 2
  Cover: 105
  MIR: 1

Explored 258 nodes (2911 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%