Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:22 2012 Optimize a model with 84 rows, 220 columns and 220 nonzeros Model has 166 quadratic constraints Presolve time: 0.97s Presolved: 84 rows, 220 columns, 220 nonzeros Variable types: 166 continuous, 54 integer (54 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 48.0000000 - - - 0s 0 0 0.00000 0 10 48.00000 0.00000 100% - 0s 0 0 0.00000 0 2 48.00000 0.00000 100% - 0s 0 0 0.00000 0 49 48.00000 0.00000 100% - 0s 0 2 0.00000 0 49 48.00000 0.00000 100% - 1s * 34 34 19 17.0000000 2.78545 83.6% 23.1 1s H 46 22 12.0000000 3.45833 71.2% 21.8 1s * 63 25 8 11.0000000 3.83800 65.1% 21.6 1s Cutting planes: Explored 194 nodes (4077 simplex iterations) in 1.08 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%