Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:30 2012 Optimize a model with 45 rows, 117 columns and 117 nonzeros Model has 88 quadratic constraints Presolve time: 0.51s Presolved: 45 rows, 117 columns, 117 nonzeros Variable types: 88 continuous, 29 integer (29 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 28.0000000 - - - 0s 0 0 0.00000 0 5 28.00000 0.00000 100% - 0s 0 0 0.00000 0 22 28.00000 0.00000 100% - 0s 0 0 0.00000 0 20 28.00000 0.00000 100% - 0s 0 2 0.00000 0 20 28.00000 0.00000 100% - 0s * 18 18 11 8.0000000 2.40000 70.0% 16.6 0s * 30 9 3 5.0000000 3.06667 38.7% 15.0 0s Cutting planes: Explored 43 nodes (700 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%