Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:31 2012
Optimize a model with 1 rows, 165 columns and 165 nonzeros
Model has 157 quadratic objective terms
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 158 rows, 303 columns, 617 nonzeros
Variable types: 0 continuous, 303 integer (302 binary)
Found heuristic solution: objective 48.0000000
Root relaxation: objective 0.000000e+00, 205 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 49 48.00000 0.00000 100% - 0s
0 0 0.00000 0 32 48.00000 0.00000 100% - 0s
H 0 0 28.0000000 0.00000 100% - 0s
H 0 0 27.0000000 0.00000 100% - 0s
0 0 0.00000 0 40 27.00000 0.00000 100% - 0s
H 0 0 24.0000000 0.00000 100% - 0s
0 0 0.00000 0 20 24.00000 0.00000 100% - 0s
H 0 0 19.0000000 0.00000 100% - 0s
0 0 0.00000 0 21 19.00000 0.00000 100% - 0s
0 0 0.00000 0 20 19.00000 0.00000 100% - 0s
0 0 0.00000 0 15 19.00000 0.00000 100% - 0s
H 0 0 14.0000000 0.00000 100% - 0s
0 0 0.00000 0 14 14.00000 0.00000 100% - 0s
H 0 0 12.0000000 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 12 9.00000 0.00000 100% - 0s
0 0 0.00000 0 12 9.00000 0.00000 100% - 0s
0 2 0.00000 0 12 9.00000 0.00000 100% - 0s
* 529 254 10 8.0000000 0.00000 100% 11.6 0s
* 581 214 13 7.0000000 1.00000 85.7% 12.9 0s
Cutting planes:
Cover: 296
Explored 867 nodes (28994 simplex iterations) in 0.54 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%