Gurobi 5.0.1 (linux64) logging started Sun Nov 18 02:29:14 2012 Optimize a model with 216 rows, 494 columns and 494 nonzeros Model has 430 quadratic constraints Presolve time: 2.51s Presolved: 216 rows, 494 columns, 494 nonzeros Variable types: 430 continuous, 64 integer (64 binary) Root relaxation: objective 0.000000e+00, 32 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 104.0000000 - - - 2s 0 0 0.00000 0 33 104.00000 0.00000 100% - 2s 0 0 0.00000 0 60 104.00000 0.00000 100% - 2s 0 0 0.00000 0 58 104.00000 0.00000 100% - 2s 0 2 0.00000 0 58 104.00000 0.00000 100% - 2s H 54 54 58.0000000 4.38711 92.4% 40.1 2s H 141 110 55.0000000 8.40966 84.7% 37.1 2s 703 410 33.64706 22 278 55.00000 16.57290 69.9% 57.0 5s 3816 1880 53.65854 51 285 55.00000 25.03922 54.5% 32.8 10s 7443 3469 46.04348 46 276 55.00000 29.00000 47.3% 27.9 15s 11098 5008 40.59259 41 284 55.00000 31.40000 42.9% 26.1 20s 14866 6271 39.90722 38 293 55.00000 33.02000 40.0% 25.0 25s 18692 7489 43.50000 39 285 55.00000 34.40615 37.4% 24.3 30s 22504 8699 48.00000 57 253 55.00000 35.66667 35.2% 23.8 35s 26418 9732 44.02204 34 307 55.00000 36.72727 33.2% 23.4 40s 30380 10734 40.07407 38 288 55.00000 37.61538 31.6% 23.1 45s 34356 11591 53.17961 45 258 55.00000 38.34915 30.3% 22.8 50s 38348 12489 cutoff 38 55.00000 39.00000 29.1% 22.6 55s 40900 12934 cutoff 37 55.00000 39.44540 28.3% 22.5 67s 42965 13318 43.92626 34 302 55.00000 39.77503 27.7% 22.4 70s 46981 13928 52.85417 47 270 55.00000 40.28125 26.8% 22.3 75s 51044 14542 42.80392 38 279 55.00000 40.80000 25.8% 22.1 80s 55184 15131 51.65957 43 279 55.00000 41.33203 24.9% 22.0 85s 59762 15798 52.20455 47 257 55.00000 41.80000 24.0% 21.8 90s 64497 16404 53.15204 38 279 55.00000 42.26538 23.2% 21.7 95s 69308 16982 cutoff 45 55.00000 42.73077 22.3% 21.6 100s 74133 17434 52.90187 42 240 55.00000 43.13909 21.6% 21.5 105s 79042 17834 cutoff 36 55.00000 43.58065 20.8% 21.3 110s 84022 18282 54.89796 63 279 55.00000 44.00000 20.0% 21.2 115s 89083 18688 53.63466 36 271 55.00000 44.32935 19.4% 21.1 120s 94071 18985 48.60870 41 268 55.00000 44.70874 18.7% 21.0 125s 99155 19291 53.02273 42 247 55.00000 45.00000 18.2% 20.8 130s 104295 19503 48.00000 39 272 55.00000 45.36000 17.5% 20.7 135s 109536 19762 49.75000 43 303 55.00000 45.69565 16.9% 20.6 140s 114759 19910 50.51163 50 259 55.00000 46.00000 16.4% 20.5 145s 119993 19932 cutoff 39 55.00000 46.29268 15.8% 20.4 150s 125338 19946 50.21481 35 259 55.00000 46.60606 15.3% 20.3 155s 130623 19852 51.02128 46 276 55.00000 46.92681 14.7% 20.2 160s 135987 19798 52.81635 46 271 55.00000 47.14307 14.3% 20.1 165s 141458 19610 52.70240 41 291 55.00000 47.45455 13.7% 19.9 170s 146877 19356 cutoff 43 55.00000 47.75278 13.2% 19.8 175s 152390 19091 cutoff 45 55.00000 48.00000 12.7% 19.8 180s 157919 18724 54.70732 52 244 55.00000 48.29268 12.2% 19.7 185s 163473 18186 53.35149 46 276 55.00000 48.58537 11.7% 19.6 190s 169125 17565 cutoff 42 55.00000 48.89655 11.1% 19.5 195s 174694 16894 cutoff 56 55.00000 49.15310 10.6% 19.4 200s 180442 16079 51.00000 50 256 55.00000 49.50000 10.0% 19.3 205s 186140 14971 cutoff 46 55.00000 49.84389 9.37% 19.2 210s 191751 13768 54.02461 38 274 55.00000 50.14294 8.83% 19.2 215s 197478 12212 cutoff 50 55.00000 50.55000 8.09% 19.1 220s 203175 10276 cutoff 66 55.00000 51.00000 7.27% 19.0 225s 208934 7954 54.73171 46 248 55.00000 51.50000 6.36% 19.0 230s 214757 4791 cutoff 46 55.00000 52.18365 5.12% 18.9 235s 222406 130 cutoff 55 55.00000 54.82937 0.31% 18.7 240s Explored 222537 nodes (4156269 simplex iterations) in 240.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.500000000006e+01, best bound 5.500000000000e+01, gap 0.0%