Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:49 2012
Optimize a model with 1 rows, 52 columns and 52 nonzeros
Model has 68 quadratic objective terms
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 69 rows, 118 columns, 254 nonzeros
Variable types: 0 continuous, 118 integer (117 binary)
Found heuristic solution: objective 19.0000000
Root relaxation: objective 0.000000e+00, 87 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 20 19.00000 0.00000 100% - 0s
0 0 0.00000 0 22 19.00000 0.00000 100% - 0s
H 0 0 17.0000000 0.00000 100% - 0s
0 0 0.00000 0 16 17.00000 0.00000 100% - 0s
H 0 0 13.0000000 0.00000 100% - 0s
H 0 0 12.0000000 0.00000 100% - 0s
0 0 0.00000 0 14 12.00000 0.00000 100% - 0s
0 0 0.00000 0 10 12.00000 0.00000 100% - 0s
H 0 0 9.0000000 0.00000 100% - 0s
0 0 0.00000 0 10 9.00000 0.00000 100% - 0s
0 0 0.00000 0 23 9.00000 0.00000 100% - 0s
0 0 0.00000 0 21 9.00000 0.00000 100% - 0s
0 2 0.00000 0 16 9.00000 0.00000 100% - 0s
H 188 47 6.0000000 0.00000 100% 7.6 0s
Cutting planes:
Cover: 123
Zero half: 3
Explored 250 nodes (4617 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%