Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:31 2012 Optimize a model with 11 rows, 31 columns and 31 nonzeros Model has 20 quadratic constraints Presolve time: 0.12s Presolved: 11 rows, 31 columns, 31 nonzeros Variable types: 20 continuous, 11 integer (11 binary) Root relaxation: objective 0.000000e+00, 5 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 6.0000000 - - - 0s 0 0 0.00000 0 4 6.00000 0.00000 100% - 0s 0 0 0.00000 0 8 6.00000 0.00000 100% - 0s 0 0 0.00000 0 6 6.00000 0.00000 100% - 0s 0 2 0.00000 0 6 6.00000 0.00000 100% - 0s * 1 1 1 1.0000000 0.33333 66.7% 14.0 0s Cutting planes: Gomory: 1 Explored 3 nodes (91 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%