Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:56 2012 Optimize a model with 42 rows, 120 columns and 120 nonzeros Model has 82 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.48s Presolved: 42 rows, 117 columns, 117 nonzeros Variable types: 82 continuous, 35 integer (34 binary) Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 22.0000000 - - - 0s 0 0 0.00000 0 2 22.00000 0.00000 100% - 0s 0 0 0.00000 0 3 22.00000 0.00000 100% - 0s 0 0 0.00000 0 18 22.00000 0.00000 100% - 0s 0 2 0.00000 0 17 22.00000 0.00000 100% - 0s * 8 8 6 5.0000000 0.93333 81.3% 22.8 0s Cutting planes: Explored 50 nodes (735 simplex iterations) in 0.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%