Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:30 2012
Optimize a model with 1 rows, 59 columns and 59 nonzeros
Model has 76 quadratic objective terms
Presolve removed 0 rows and 3 columns
Presolve time: 0.00s
Presolved: 77 rows, 132 columns, 284 nonzeros
Variable types: 0 continuous, 132 integer (131 binary)
Found heuristic solution: objective 23.0000000
Root relaxation: objective 0.000000e+00, 100 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 24 23.00000 0.00000 100% - 0s
0 0 0.00000 0 28 23.00000 0.00000 100% - 0s
H 0 0 22.0000000 0.00000 100% - 0s
0 0 0.00000 0 15 22.00000 0.00000 100% - 0s
H 0 0 12.0000000 0.00000 100% - 0s
0 0 0.00000 0 21 12.00000 0.00000 100% - 0s
0 0 0.00000 0 21 12.00000 0.00000 100% - 0s
H 0 0 11.0000000 0.00000 100% - 0s
0 2 0.00000 0 21 11.00000 0.00000 100% - 0s
H 172 107 10.0000000 0.00000 100% 8.8 0s
* 173 94 11 9.0000000 0.00000 100% 8.8 0s
H 248 63 8.0000000 3.00000 62.5% 16.2 0s
Cutting planes:
Cover: 144
Explored 326 nodes (7303 simplex iterations) in 0.11 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%