Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:41:20 2012 Optimize a model with 182 rows, 423 columns and 423 nonzeros Model has 362 quadratic constraints Presolve time: 2.11s Presolved: 182 rows, 423 columns, 423 nonzeros Variable types: 362 continuous, 61 integer (61 binary) Root relaxation: objective 0.000000e+00, 30 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 88.0000000 - - - 2s 0 0 0.00000 0 32 88.00000 0.00000 100% - 2s 0 0 0.06042 0 60 88.00000 0.06042 100% - 2s 0 2 0.12500 0 60 88.00000 0.12500 100% - 2s * 42 42 24 45.0000000 5.00000 88.9% 37.9 2s H 122 102 44.0000000 6.52632 85.2% 35.5 2s * 122 99 25 43.0000000 6.52632 84.8% 35.5 2s 1269 504 36.80769 33 247 43.00000 22.64286 47.3% 40.8 5s 5839 1624 37.52941 41 253 43.00000 30.52941 29.0% 24.6 10s *10085 1812 40 42.0000000 34.34483 18.2% 22.0 14s 10686 1725 37.50000 50 233 42.00000 35.00000 16.7% 21.8 15s 12435 1382 38.50000 39 220 42.00000 36.60000 12.9% 21.3 20s 12747 1279 40.16000 34 254 42.00000 36.95000 12.0% 21.2 25s *13888 568 49 41.0000000 38.37500 6.40% 20.9 29s Explored 14539 nodes (297236 simplex iterations) in 29.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%