Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:12 2012
Optimize a model with 1 rows, 41 columns and 41 nonzeros
Model has 46 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 47 rows, 84 columns, 176 nonzeros
Variable types: 0 continuous, 84 integer (83 binary)
Found heuristic solution: objective 15.0000000
Root relaxation: objective 0.000000e+00, 65 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 13 15.00000 0.00000 100% - 0s
H 0 0 13.0000000 0.00000 100% - 0s
0 0 0.00000 0 12 13.00000 0.00000 100% - 0s
H 0 0 9.0000000 0.00000 100% - 0s
H 0 0 8.0000000 0.00000 100% - 0s
0 0 0.00000 0 31 8.00000 0.00000 100% - 0s
0 0 0.00000 0 17 8.00000 0.00000 100% - 0s
H 0 0 7.0000000 0.00000 100% - 0s
0 2 0.00000 0 17 7.00000 0.00000 100% - 0s
H 107 46 5.0000000 0.00000 100% 5.1 0s
H 121 41 4.0000000 0.00000 100% 5.1 0s
Cutting planes:
Cover: 83
Explored 165 nodes (1642 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%