Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:00:34 2012 Optimize a model with 205 rows, 492 columns and 492 nonzeros Model has 408 quadratic constraints Presolve time: 2.38s Presolved: 205 rows, 492 columns, 492 nonzeros Variable types: 408 continuous, 84 integer (84 binary) Root relaxation: objective 0.000000e+00, 42 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 113.0000000 - - - 2s 0 0 0.00000 0 35 113.00000 0.00000 100% - 2s 0 0 0.00000 0 55 113.00000 0.00000 100% - 2s 0 0 0.00000 0 51 113.00000 0.00000 100% - 2s 0 2 0.00000 0 51 113.00000 0.00000 100% - 2s H 43 43 52.0000000 2.92105 94.4% 40.3 2s * 59 46 39 51.0000000 2.92105 94.3% 31.6 2s 922 599 29.23684 42 279 51.00000 12.24108 76.0% 41.9 5s * 1224 709 65 50.0000000 15.00000 70.0% 39.4 5s * 1770 759 54 45.0000000 17.00000 62.2% 34.2 6s 3446 1602 24.30986 28 287 45.00000 21.60000 52.0% 27.5 10s 4783 2298 41.15000 33 280 45.00000 22.95652 49.0% 25.3 15s * 5419 2482 43 44.0000000 23.63636 46.3% 24.9 16s 7136 3117 40.46875 32 293 44.00000 24.83333 43.6% 23.8 20s 9610 4013 34.25000 34 310 44.00000 26.04762 40.8% 22.9 25s 11926 4801 42.26667 35 272 44.00000 27.20000 38.2% 22.3 30s 14808 5694 42.27119 37 261 44.00000 28.25000 35.8% 21.8 35s 18456 6677 41.58333 44 294 44.00000 29.39216 33.2% 21.5 40s 22286 7481 42.02899 40 287 44.00000 30.31429 31.1% 21.2 45s 26073 8173 40.22222 39 267 44.00000 31.06250 29.4% 21.0 50s 30037 8801 42.32308 40 288 44.00000 31.78947 27.8% 20.7 55s 33956 9338 40.62500 39 297 44.00000 32.37500 26.4% 20.5 60s 37975 9780 39.00000 42 276 44.00000 33.00000 25.0% 20.4 65s 40804 10090 cutoff 32 44.00000 33.33243 24.2% 20.3 78s 42134 10190 40.83051 33 291 44.00000 33.50000 23.9% 20.2 80s 45169 10359 37.26471 37 281 44.00000 33.89474 23.0% 20.1 85s 47894 10509 40.44854 34 281 44.00000 34.12500 22.4% 20.1 90s 51798 10615 37.71429 33 300 44.00000 34.59574 21.4% 20.0 95s 55483 10676 cutoff 38 44.00000 35.00000 20.5% 19.8 100s 57951 10641 41.95522 38 283 44.00000 35.16667 20.1% 19.8 105s 61355 10602 39.46269 39 282 44.00000 35.51347 19.3% 19.7 110s 64245 10516 41.62500 40 278 44.00000 35.81395 18.6% 19.6 115s 67436 10356 41.37097 33 295 44.00000 36.05660 18.1% 19.7 120s 71298 10076 42.39394 41 285 44.00000 36.50000 17.0% 19.6 126s 74094 9905 40.09231 33 290 44.00000 36.71429 16.6% 19.5 130s 77432 9590 41.50000 35 254 44.00000 37.00000 15.9% 19.5 135s 80132 9282 41.82812 43 261 44.00000 37.23589 15.4% 19.5 140s 82957 8906 cutoff 43 44.00000 37.54348 14.7% 19.4 145s 87495 8181 43.00000 39 295 44.00000 38.00000 13.6% 19.3 150s 91603 7313 41.20968 33 280 44.00000 38.38462 12.8% 19.3 155s 94032 6736 39.29851 37 281 44.00000 38.64286 12.2% 19.3 160s 97432 5705 cutoff 41 44.00000 39.00000 11.4% 19.3 165s 101534 3979 41.51613 40 264 44.00000 39.66667 9.85% 19.3 170s 105742 1533 cutoff 39 44.00000 40.73333 7.42% 19.4 175s Explored 108136 nodes (2075924 simplex iterations) in 178.96 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.400000000006e+01, best bound 4.400000000006e+01, gap 0.0%