Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:23 2012 Optimize a model with 43 rows, 112 columns and 112 nonzeros Model has 84 quadratic constraints Presolve time: 0.49s Presolved: 43 rows, 112 columns, 112 nonzeros Variable types: 84 continuous, 28 integer (28 binary) Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 24.0000000 - - - 0s 0 0 0.00000 0 6 24.00000 0.00000 100% - 0s 0 0 0.00000 0 24 24.00000 0.00000 100% - 0s 0 0 0.00000 0 23 24.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s 0 2 0.00000 0 23 19.00000 0.00000 100% - 0s * 16 12 11 6.0000000 1.44444 75.9% 22.6 0s Cutting planes: Explored 67 nodes (1081 simplex iterations) in 0.52 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%