Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:45:10 2012 Optimize a model with 85 rows, 213 columns and 213 nonzeros Model has 168 quadratic constraints Presolve time: 0.98s Presolved: 85 rows, 213 columns, 213 nonzeros Variable types: 168 continuous, 45 integer (45 binary) Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 46.0000000 - - - 0s 0 0 0.00000 0 39 46.00000 0.00000 100% - 0s 0 0 0.42765 0 43 46.00000 0.42765 99.1% - 0s 0 2 0.45019 0 43 46.00000 0.45019 99.0% - 1s * 20 20 14 17.0000000 3.21181 81.1% 24.1 1s * 218 38 7 16.0000000 10.05426 37.2% 24.9 1s Cutting planes: Gomory: 1 Explored 333 nodes (8112 simplex iterations) in 1.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%