Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:40:07 2012 Optimize a model with 85 rows, 207 columns and 207 nonzeros Model has 168 quadratic constraints Presolve time: 0.98s Presolved: 85 rows, 207 columns, 207 nonzeros Variable types: 168 continuous, 39 integer (39 binary) Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 43.0000000 - - - 0s 0 0 0.00000 0 22 43.00000 0.00000 100% - 0s 0 0 0.10769 0 39 43.00000 0.10769 100% - 0s 0 2 0.14324 0 39 43.00000 0.14324 100% - 1s H 8 8 36.0000000 3.39184 90.6% 31.2 1s * 18 18 14 15.0000000 3.39184 77.4% 23.0 1s Cutting planes: Gomory: 1 Explored 153 nodes (3593 simplex iterations) in 1.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.500000000000e+01, best bound 1.500000000000e+01, gap 0.0%