Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:39:29 2012 Optimize a model with 66 rows, 166 columns and 166 nonzeros Model has 130 quadratic constraints Presolve time: 0.76s Presolved: 66 rows, 166 columns, 166 nonzeros Variable types: 130 continuous, 36 integer (36 binary) Root relaxation: objective 0.000000e+00, 18 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 34.0000000 - - - 0s 0 0 0.00000 0 29 34.00000 0.00000 100% - 0s 0 0 0.52571 0 35 34.00000 0.52571 98.5% - 0s H 0 0 32.0000000 0.52571 98.4% - 0s 0 2 0.55000 0 35 32.00000 0.55000 98.3% - 0s * 17 17 12 16.0000000 2.81739 82.4% 22.9 0s * 32 23 10 14.0000000 3.23600 76.9% 20.3 0s * 96 28 13 12.0000000 5.16190 57.0% 16.6 0s * 168 17 8 11.0000000 9.00000 18.2% 15.9 0s Cutting planes: Gomory: 1 Explored 192 nodes (3376 simplex iterations) in 0.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%