Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:02 2012
Optimize a model with 1 rows, 53 columns and 53 nonzeros
Model has 78 quadratic objective terms
Presolve time: 0.00s
Presolved: 79 rows, 131 columns, 287 nonzeros
Variable types: 0 continuous, 131 integer (131 binary)
Found heuristic solution: objective 41.0000000
Root relaxation: objective 0.000000e+00, 99 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 21 41.00000 0.00000 100% - 0s
H 0 0 21.0000000 0.00000 100% - 0s
0 0 0.00000 0 29 21.00000 0.00000 100% - 0s
H 0 0 18.0000000 0.00000 100% - 0s
0 0 0.00000 0 14 18.00000 0.00000 100% - 0s
H 0 0 13.0000000 0.00000 100% - 0s
0 0 0.00000 0 17 13.00000 0.00000 100% - 0s
0 0 0.00000 0 22 13.00000 0.00000 100% - 0s
0 0 0.00000 0 20 13.00000 0.00000 100% - 0s
H 0 0 12.0000000 0.00000 100% - 0s
0 2 0.00000 0 20 12.00000 0.00000 100% - 0s
H 188 110 11.0000000 0.00000 100% 6.0 0s
H 220 88 9.0000000 0.00000 100% 6.2 0s
Cutting planes:
Cover: 150
Explored 368 nodes (7450 simplex iterations) in 0.12 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%