Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:28:43 2012 Optimize a model with 142 rows, 333 columns and 333 nonzeros Model has 282 quadratic constraints Presolve time: 1.64s Presolved: 142 rows, 333 columns, 333 nonzeros Variable types: 282 continuous, 51 integer (51 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 77.0000000 - - - 1s 0 0 0.00000 0 23 77.00000 0.00000 100% - 1s 0 0 0.00000 0 41 77.00000 0.00000 100% - 1s 0 0 0.00000 0 37 77.00000 0.00000 100% - 1s 0 2 0.00000 0 37 77.00000 0.00000 100% - 1s H 46 46 45.0000000 4.00000 91.1% 30.8 1s * 46 46 27 44.0000000 4.00000 90.9% 30.8 1s * 48 42 26 43.0000000 4.00000 90.7% 29.9 1s * 80 64 20 40.0000000 4.16667 89.6% 32.5 1s H 109 85 37.0000000 8.00000 78.4% 32.0 1s * 109 82 17 36.0000000 8.00000 77.8% 32.2 1s * 1809 592 48 35.0000000 17.82927 49.1% 27.5 4s 2947 934 cutoff 38 35.00000 20.52941 41.3% 23.4 5s * 3286 954 44 34.0000000 21.04762 38.1% 22.8 5s 6563 1295 31.81481 39 151 34.00000 25.55556 24.8% 19.1 10s *10178 834 40 33.0000000 28.90323 12.4% 17.7 13s Explored 11435 nodes (196349 simplex iterations) in 14.63 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.300000000000e+01, best bound 3.300000000000e+01, gap 0.0%