Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:51:44 2012 Optimize a model with 231 rows, 491 columns and 491 nonzeros Model has 460 quadratic constraints Presolve time: 2.68s Presolved: 231 rows, 491 columns, 491 nonzeros Variable types: 460 continuous, 31 integer (31 binary) Root relaxation: objective 0.000000e+00, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 128.0000000 - - - 2s 0 0 0.00000 0 30 128.00000 0.00000 100% - 2s 0 0 0.55583 0 31 128.00000 0.55583 100% - 2s 0 2 0.57436 0 31 128.00000 0.57436 100% - 2s * 42 42 22 99.0000000 9.79310 90.1% 48.1 2s H 457 318 98.0000000 28.49921 70.9% 45.9 3s 680 418 60.94737 24 312 98.00000 32.73246 66.6% 52.6 5s * 2659 1133 41 97.0000000 39.80000 59.0% 39.6 8s * 2931 1259 39 96.0000000 41.00000 57.3% 38.3 8s * 2941 1251 38 95.0000000 41.00000 56.8% 38.2 8s 3751 1610 90.94118 34 262 95.00000 45.09091 52.5% 36.2 10s 5235 2168 cutoff 49 95.00000 51.46667 45.8% 33.3 15s H 6467 2562 93.0000000 55.16667 40.7% 31.7 18s 7682 2912 cutoff 40 93.00000 57.00000 38.7% 30.5 20s 9358 3324 84.00000 39 257 93.00000 59.36842 36.2% 29.6 25s 13219 4226 81.68421 32 276 93.00000 63.50000 31.7% 28.0 30s 17120 4984 91.29412 37 259 93.00000 66.40000 28.6% 27.0 35s 18892 5250 90.50000 34 232 93.00000 67.66667 27.2% 26.6 40s 22962 5796 79.26316 31 257 93.00000 69.61905 25.1% 26.0 45s *23525 5792 48 92.0000000 69.88889 24.0% 25.9 45s 26380 6019 89.00000 36 236 92.00000 71.11111 22.7% 25.7 50s 30370 6260 86.73333 45 238 92.00000 72.57895 21.1% 25.4 55s 34421 6393 cutoff 45 92.00000 73.89474 19.7% 25.1 60s 38364 6453 90.00000 31 324 92.00000 75.00000 18.5% 24.8 65s 42402 6339 cutoff 54 92.00000 76.28571 17.1% 24.7 70s 46588 6185 81.58824 38 252 92.00000 77.46492 15.8% 24.5 75s 50882 5934 cutoff 41 92.00000 78.55556 14.6% 24.3 80s 55199 5506 88.93750 47 226 92.00000 79.79905 13.3% 24.1 85s 58531 5073 85.70588 34 260 92.00000 80.75000 12.2% 24.0 90s 62971 4280 91.00000 49 237 92.00000 82.07143 10.8% 23.8 95s 67348 3208 cutoff 48 92.00000 83.72727 8.99% 23.7 100s 70400 2101 cutoff 44 92.00000 85.25769 7.33% 23.6 105s Explored 73874 nodes (1715909 simplex iterations) in 107.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.200000000057e+01, best bound 9.200000000057e+01, gap 0.0%