Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:43 2012 Optimize a model with 16 rows, 48 columns and 48 nonzeros Model has 30 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.18s Presolved: 16 rows, 45 columns, 45 nonzeros Variable types: 30 continuous, 15 integer (14 binary) Root relaxation: objective 0.000000e+00, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 8.0000000 - - - 0s 0 0 0.00000 0 2 8.00000 0.00000 100% - 0s 0 0 0.00000 0 12 8.00000 0.00000 100% - 0s 0 0 0.00000 0 12 8.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 2 0.00000 0 12 7.00000 0.00000 100% - 0s * 10 10 7 3.0000000 1.14286 61.9% 9.1 0s * 11 4 7 2.0000000 1.14286 42.9% 8.5 0s Cutting planes: Explored 20 nodes (204 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%