Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:36:55 2012
Optimize a model with 1 rows, 168 columns and 168 nonzeros
Model has 146 quadratic objective terms
Presolve removed 0 rows and 23 columns
Presolve time: 0.00s
Presolved: 147 rows, 291 columns, 583 nonzeros
Variable types: 0 continuous, 291 integer (290 binary)
Found heuristic solution: objective 38.0000000
Root relaxation: objective 0.000000e+00, 181 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 36 38.00000 0.00000 100% - 0s
H 0 0 32.0000000 0.00000 100% - 0s
0 0 0.00000 0 26 32.00000 0.00000 100% - 0s
H 0 0 21.0000000 0.00000 100% - 0s
H 0 0 20.0000000 0.00000 100% - 0s
0 0 0.00000 0 16 20.00000 0.00000 100% - 0s
H 0 0 12.0000000 0.00000 100% - 0s
H 0 0 11.0000000 0.00000 100% - 0s
0 0 0.00000 0 27 11.00000 0.00000 100% - 0s
H 0 0 10.0000000 0.00000 100% - 0s
0 0 0.00000 0 27 10.00000 0.00000 100% - 0s
0 0 0.00000 0 28 10.00000 0.00000 100% - 0s
0 0 0.00000 0 28 10.00000 0.00000 100% - 0s
0 2 0.00000 0 28 10.00000 0.00000 100% - 0s
H 218 86 6.0000000 0.00000 100% 5.9 0s
H 304 99 5.0000000 0.00000 100% 6.5 0s
* 317 76 17 4.0000000 0.00000 100% 6.8 0s
* 460 32 12 3.0000000 1.00000 66.7% 14.8 0s
Cutting planes:
Cover: 248
Explored 501 nodes (9700 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%