Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:14 2012

Optimize a model with 1 rows, 35 columns and 35 nonzeros
Model has 63 quadratic objective terms
Presolve time: 0.00s
Presolved: 64 rows, 98 columns, 224 nonzeros
Variable types: 0 continuous, 98 integer (98 binary)
Found heuristic solution: objective 27.0000000

Root relaxation: objective 0.000000e+00, 86 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   18   27.00000    0.00000   100%     -    0s
H    0     0                      18.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   30   18.00000    0.00000   100%     -    0s
     0     0    0.00000    0   20   18.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   13   17.00000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   18   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   22   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   22   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   22   13.00000    0.00000   100%     -    0s
H  140    56                      12.0000000    1.00000  91.7%   8.8    0s

Cutting planes:
  Cover: 117
  MIR: 3
  Zero half: 1

Explored 276 nodes (3860 simplex iterations) in 0.07 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%