Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:15 2012 Optimize a model with 44 rows, 127 columns and 127 nonzeros Model has 86 quadratic constraints Presolve removed 0 rows and 5 columns Presolve time: 0.50s Presolved: 44 rows, 122 columns, 122 nonzeros Variable types: 86 continuous, 36 integer (35 binary) Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 20.0000000 - - - 0s 0 0 0.00000 0 29 20.00000 0.00000 100% - 0s 0 0 0.17751 0 27 20.00000 0.17751 99.1% - 0s 0 0 0.17915 0 27 20.00000 0.17915 99.1% - 0s 0 0 0.17915 0 27 20.00000 0.17915 99.1% - 0s 0 2 0.20137 0 27 20.00000 0.20137 99.0% - 0s * 12 12 11 4.0000000 1.43293 64.2% 14.4 0s * 30 4 4 3.0000000 2.72727 9.09% 15.9 0s Cutting planes: Gomory: 3 Explored 34 nodes (942 simplex iterations) in 0.54 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%