Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:49:23 2012 Optimize a model with 238 rows, 505 columns and 505 nonzeros Model has 474 quadratic constraints Presolve time: 2.77s Presolved: 238 rows, 505 columns, 505 nonzeros Variable types: 474 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 0 114.0000000 - - - 2s 0 0 0.00000 0 30 114.00000 0.00000 100% - 2s 0 0 0.55583 0 31 114.00000 0.55583 100% - 2s 0 2 0.78846 0 31 114.00000 0.78846 99.3% - 2s * 43 43 24 110.0000000 7.61538 93.1% 47.0 2s * 48 43 27 108.0000000 7.61538 92.9% 42.5 2s * 83 68 22 105.0000000 7.68170 92.7% 42.3 2s H 123 96 103.0000000 13.42308 87.0% 41.3 2s 667 435 68.50000 25 217 103.00000 23.00000 77.7% 53.2 5s * 768 474 59 102.0000000 23.00000 77.5% 55.8 5s H 2110 907 99.0000000 41.04762 58.5% 40.9 7s H 2769 1240 98.0000000 46.20000 52.9% 37.6 9s 2877 1292 96.14286 49 263 98.00000 46.50000 52.6% 37.1 10s 5466 2249 93.33333 49 254 98.00000 55.33333 43.5% 31.8 15s * 8453 3183 46 97.0000000 61.29911 36.8% 28.8 18s 8821 3262 89.21053 37 282 97.00000 61.85714 36.2% 28.6 20s 12241 4017 93.85651 43 267 97.00000 65.35714 32.6% 27.6 25s 16164 4743 88.92401 41 297 97.00000 69.00000 28.9% 26.6 30s 20252 5418 87.16607 47 286 97.00000 71.00000 26.8% 25.8 35s 24138 5953 96.00000 40 265 97.00000 73.15359 24.6% 25.2 40s 28273 6370 93.57143 45 240 97.00000 75.00000 22.7% 24.8 45s 32487 6800 cutoff 46 97.00000 76.50000 21.1% 24.4 50s 36813 7128 90.50000 49 260 97.00000 77.76923 19.8% 24.1 55s 40900 7423 88.28501 44 277 97.00000 78.93333 18.6% 23.8 68s 42201 7502 93.03914 53 237 97.00000 79.21737 18.3% 23.7 70s 46711 7707 83.65023 43 265 97.00000 80.17647 17.3% 23.3 75s 51207 7837 85.06278 37 270 97.00000 81.17647 16.3% 23.1 80s 55680 7830 93.75000 42 277 97.00000 82.00000 15.5% 22.9 85s 59708 7842 90.00000 44 252 97.00000 82.78571 14.7% 22.7 90s 64076 7706 93.37500 44 283 97.00000 83.54545 13.9% 22.5 95s 68454 7546 cutoff 47 97.00000 84.22222 13.2% 22.4 100s 72210 7350 95.67265 42 243 97.00000 85.00000 12.4% 22.3 105s 75841 7121 93.50000 57 236 97.00000 85.50000 11.9% 22.2 110s 79409 6807 90.88018 53 247 97.00000 86.00000 11.3% 22.1 115s 84098 6298 cutoff 45 97.00000 86.92308 10.4% 21.9 120s 88868 5630 92.85651 50 252 97.00000 87.75000 9.54% 21.8 125s 93795 4717 92.23077 53 224 97.00000 88.83333 8.42% 21.6 130s 98672 3471 95.23529 40 282 97.00000 90.16837 7.04% 21.4 135s 103620 1017 93.50000 50 258 97.00000 93.00000 4.12% 21.2 140s Explored 104982 nodes (2209567 simplex iterations) in 140.76 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.700000000059e+01, best bound 9.700000000059e+01, gap 0.0%