Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:45 2012 Optimize a model with 22 rows, 61 columns and 61 nonzeros Model has 42 quadratic constraints Presolve time: 0.25s Presolved: 22 rows, 61 columns, 61 nonzeros Variable types: 42 continuous, 19 integer (19 binary) Root relaxation: objective 0.000000e+00, 9 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 14 8.00000 0.00000 100% - 0s 0 0 0.43750 0 16 8.00000 0.43750 94.5% - 0s 0 0 0.43750 0 16 8.00000 0.43750 94.5% - 0s H 0 0 7.0000000 0.43750 93.8% - 0s 0 2 0.43750 0 16 7.00000 0.43750 93.8% - 0s * 8 8 6 4.0000000 1.90909 52.3% 5.2 0s * 33 1 4 3.0000000 3.00000 0.0% 4.1 0s Cutting planes: Gomory: 1 Explored 34 nodes (259 simplex iterations) in 0.26 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%