Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:40 2012
Optimize a model with 1 rows, 175 columns and 175 nonzeros
Model has 160 quadratic objective terms
Presolve removed 0 rows and 28 columns
Presolve time: 0.00s
Presolved: 161 rows, 307 columns, 627 nonzeros
Variable types: 0 continuous, 307 integer (306 binary)
Found heuristic solution: objective 51.0000000
Root relaxation: objective 0.000000e+00, 196 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 38 51.00000 0.00000 100% - 0s
H 0 0 37.0000000 0.00000 100% - 0s
0 0 0.00000 0 44 37.00000 0.00000 100% - 0s
H 0 0 36.0000000 0.00000 100% - 0s
0 0 0.00000 0 27 36.00000 0.00000 100% - 0s
H 0 0 19.0000000 0.00000 100% - 0s
H 0 0 18.0000000 0.00000 100% - 0s
0 0 0.00000 0 21 18.00000 0.00000 100% - 0s
H 0 0 14.0000000 0.00000 100% - 0s
0 0 0.00000 0 25 14.00000 0.00000 100% - 0s
H 0 0 13.0000000 0.00000 100% - 0s
0 0 0.00000 0 24 13.00000 0.00000 100% - 0s
0 0 0.00000 0 24 13.00000 0.00000 100% - 0s
0 0 0.00000 0 25 13.00000 0.00000 100% - 0s
0 0 0.00000 0 25 13.00000 0.00000 100% - 0s
0 2 0.00000 0 25 13.00000 0.00000 100% - 0s
H 598 249 8.0000000 0.00000 100% 7.3 0s
H 680 241 7.0000000 0.31818 95.5% 9.6 0s
H 825 119 6.0000000 3.00000 50.0% 19.2 0s
Cutting planes:
Cover: 305
MIR: 1
Explored 945 nodes (24248 simplex iterations) in 0.49 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%