Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:29 2012 Optimize a model with 9 rows, 26 columns and 26 nonzeros Model has 16 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.10s Presolved: 9 rows, 25 columns, 25 nonzeros Variable types: 16 continuous, 9 integer (8 binary) Root relaxation: objective 0.000000e+00, 4 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 5 6.00000 0.00000 100% - 0s 0 0 0.00000 0 6 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 * 4 4 3 2.0000000 1.00000 50.0% 6.2 0s Cutting planes: Gomory: 1 Explored 11 nodes (87 simplex iterations) in 0.11 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%