Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:26 2012

Optimize a model with 1 rows, 50 columns and 50 nonzeros
Model has 62 quadratic objective terms
Presolve removed 0 rows and 5 columns
Presolve time: 0.00s
Presolved: 63 rows, 107 columns, 231 nonzeros
Variable types: 0 continuous, 107 integer (106 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 0.000000e+00, 79 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   16   17.00000    0.00000   100%     -    0s
H    0     0                      16.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   26   16.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   14   15.00000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   15   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   23   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   10   13.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     2    0.00000    0   10   10.00000    0.00000   100%     -    0s
H  108    74                       9.0000000    0.00000   100%   3.6    0s
H  138    77                       8.0000000    0.00000   100%   6.2    0s

Cutting planes:
  Cover: 119
  MIR: 1
  Zero half: 1

Explored 287 nodes (5498 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%