Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:41:44 2012 Optimize a model with 200 rows, 427 columns and 427 nonzeros Model has 398 quadratic constraints Presolve time: 2.32s Presolved: 200 rows, 427 columns, 427 nonzeros Variable types: 398 continuous, 29 integer (29 binary) Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 96.0000000 - - - 2s 0 0 0.00000 0 26 96.00000 0.00000 100% - 2s 0 0 0.52038 0 29 96.00000 0.52038 99.5% - 2s 0 2 0.54545 0 29 96.00000 0.54545 99.4% - 2s * 44 44 23 92.0000000 5.78698 93.7% 40.7 2s * 46 42 23 90.0000000 5.78698 93.6% 39.8 2s H 79 69 88.0000000 5.89086 93.3% 39.5 2s H 83 66 86.0000000 5.89086 93.2% 38.0 2s H 118 94 84.0000000 9.00000 89.3% 41.1 2s * 124 93 21 83.0000000 9.00000 89.2% 39.8 2s * 182 139 20 81.0000000 9.00000 88.9% 43.8 2s 693 383 56.00000 31 179 81.00000 28.00000 65.4% 53.4 5s * 2714 1029 52 78.0000000 34.00000 56.4% 36.6 7s H 4007 1345 75.0000000 39.36364 47.5% 33.3 9s 4392 1464 68.82353 38 217 75.00000 40.66667 45.8% 32.5 10s 5628 1742 68.93750 41 240 75.00000 44.00000 41.3% 31.3 15s 9251 2299 66.92308 45 242 75.00000 51.00000 32.0% 28.9 20s 13073 2500 69.38889 39 250 75.00000 56.18750 25.1% 27.7 25s 17258 2305 72.50000 49 215 75.00000 60.75000 19.0% 27.0 30s 22096 1581 73.23077 44 221 75.00000 65.25000 13.0% 26.0 35s Explored 25670 nodes (640831 simplex iterations) in 38.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.500000000000e+01, best bound 7.500000000000e+01, gap 0.0%