Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:41 2012 Optimize a model with 66 rows, 181 columns and 181 nonzeros Model has 130 quadratic constraints Presolve removed 0 rows and 4 columns Presolve time: 0.76s Presolved: 66 rows, 177 columns, 177 nonzeros Variable types: 130 continuous, 47 integer (46 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 34.0000000 - - - 0s 0 0 0.00000 0 27 34.00000 0.00000 100% - 0s 0 0 0.00000 0 44 34.00000 0.00000 100% - 0s 0 0 0.00000 0 44 34.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s 0 2 0.00000 0 44 31.00000 0.00000 100% - 0s * 21 21 12 10.0000000 1.35135 86.5% 25.8 0s H 50 36 9.0000000 1.36364 84.8% 16.5 0s H 664 54 8.0000000 6.11394 23.6% 12.0 0s Cutting planes: Gomory: 1 Explored 793 nodes (9650 simplex iterations) in 0.96 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%