Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:22:41 2012 Optimize a model with 114 rows, 295 columns and 295 nonzeros Model has 226 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 1.32s Presolved: 114 rows, 292 columns, 292 nonzeros Variable types: 226 continuous, 66 integer (65 binary) Root relaxation: objective 0.000000e+00, 34 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 58.0000000 - - - 1s 0 0 0.00000 0 6 58.00000 0.00000 100% - 1s 0 0 0.00000 0 32 58.00000 0.00000 100% - 1s 0 0 0.00000 0 32 58.00000 0.00000 100% - 1s 0 2 0.00000 0 32 58.00000 0.00000 100% - 1s * 36 36 26 25.0000000 2.80000 88.8% 21.5 1s * 66 51 20 24.0000000 2.80645 88.3% 19.9 1s H 85 43 18.0000000 3.91837 78.2% 21.0 1s * 263 70 12 17.0000000 7.80000 54.1% 19.4 1s * 1018 1 10 16.0000000 16.00000 0.0% 18.5 1s Cutting planes: Gomory: 1 Explored 1019 nodes (19323 simplex iterations) in 1.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%