Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:32 2012

Optimize a model with 1 rows, 44 columns and 44 nonzeros
Model has 65 quadratic objective terms
Presolve time: 0.00s
Presolved: 66 rows, 109 columns, 239 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 23.0000000

Root relaxation: objective 0.000000e+00, 90 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   26   23.00000    0.00000   100%     -    0s
     0     0    0.00000    0   19   23.00000    0.00000   100%     -    0s
H    0     0                      17.0000000    0.00000   100%     -    0s
H    0     0                      13.0000000    0.00000   100%     -    0s
     0     0    0.00000    0   47   13.00000    0.00000   100%     -    0s
     0     0    0.00000    0   14   13.00000    0.00000   100%     -    0s
     0     2    0.00000    0   14   13.00000    0.00000   100%     -    0s
*  123    68              19      12.0000000    0.00000   100%   4.4    0s
H  151    82                      11.0000000    0.00000   100%   5.8    0s
H  188    75                      10.0000000    0.00000   100%   6.7    0s
*  197    67              15       9.0000000    0.00000   100%   6.5    0s

Cutting planes:
  Cover: 123

Explored 275 nodes (3910 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%