Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:24 2012

Optimize a model with 1 rows, 36 columns and 36 nonzeros
Model has 62 quadratic objective terms
Presolve time: 0.00s
Presolved: 63 rows, 98 columns, 222 nonzeros
Variable types: 0 continuous, 98 integer (98 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 0.000000e+00, 73 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   27   26.00000    0.00000   100%     -    0s
     0     0    0.00000    0   38   26.00000    0.00000   100%     -    0s
H    0     0                      23.0000000    0.00000   100%     -    0s
H    0     0                      21.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   41   21.00000    0.00000   100%     -    0s
     0     0    0.00000    0   21   21.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   20   15.00000    0.00000   100%     -    0s
H   89    56                      14.0000000    0.00000   100%   5.5    0s
*  131    74               8      13.0000000    0.00000   100%   6.3    0s
*  236    70               6      12.0000000    2.00000  83.3%   8.7    0s

Cutting planes:
  Cover: 117
  MIR: 4

Explored 348 nodes (4218 simplex iterations) in 0.08 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%