Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:43:30 2012 Optimize a model with 210 rows, 447 columns and 447 nonzeros Model has 418 quadratic constraints Presolve time: 2.43s Presolved: 210 rows, 447 columns, 447 nonzeros Variable types: 418 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 0 101.0000000 - - - 2s 0 0 0.00000 0 26 101.00000 0.00000 100% - 2s 0 0 0.33569 0 29 101.00000 0.33569 100% - 2s 0 2 0.38652 0 29 101.00000 0.38652 100% - 2s H 80 64 94.0000000 7.92308 91.6% 42.8 2s H 108 84 93.0000000 15.78846 83.0% 43.3 2s * 111 87 20 92.0000000 15.78846 82.8% 42.6 2s * 113 85 19 91.0000000 15.78846 82.7% 41.8 2s H 225 180 90.0000000 18.72115 79.2% 44.9 2s * 227 174 18 88.0000000 18.72115 78.7% 44.6 2s * 391 236 18 87.0000000 27.02900 68.9% 43.8 3s * 594 342 17 85.0000000 32.86246 61.3% 43.2 3s 701 400 38.71006 7 29 85.00000 35.03846 58.8% 44.0 7s 1571 703 81.50000 48 208 85.00000 35.03846 58.8% 43.7 10s * 5067 1954 47 84.0000000 50.76923 39.6% 30.1 14s * 5728 2126 43 83.0000000 52.10750 37.2% 29.4 14s 5928 2173 68.00000 37 276 83.00000 52.71429 36.5% 29.1 15s H 7115 2375 82.0000000 54.58824 33.4% 28.2 18s 7333 2393 79.17647 37 235 82.00000 54.87500 33.1% 28.0 20s 9821 2848 78.45455 45 232 82.00000 57.75000 29.6% 26.8 25s 12614 3179 79.25000 38 240 82.00000 60.60000 26.1% 25.7 30s 17224 3346 79.14286 46 221 82.00000 64.66667 21.1% 24.8 35s 21118 3260 74.94737 33 289 82.00000 67.36364 17.8% 24.3 40s 25913 2820 cutoff 36 82.00000 70.50000 14.0% 23.7 45s 30864 1697 80.62500 43 226 82.00000 74.00000 9.76% 23.4 50s Explored 33746 nodes (772782 simplex iterations) in 52.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.200000000052e+01, best bound 8.200000000052e+01, gap 0.0%