Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:55:22 2012 Optimize a model with 211 rows, 482 columns and 482 nonzeros Model has 420 quadratic constraints Presolve time: 2.45s Presolved: 211 rows, 482 columns, 482 nonzeros Variable types: 420 continuous, 62 integer (62 binary) Root relaxation: objective 0.000000e+00, 31 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 106.0000000 - - - 2s 0 0 0.00000 0 34 106.00000 0.00000 100% - 2s 0 0 0.04644 0 57 106.00000 0.04644 100% - 2s 0 2 0.08235 0 57 106.00000 0.08235 100% - 2s H 52 52 65.0000000 5.50456 91.5% 39.8 2s H 104 94 63.0000000 5.57294 91.2% 38.7 2s * 286 213 21 59.0000000 9.82042 83.4% 42.9 2s H 345 246 57.0000000 10.92444 80.8% 44.9 3s 764 464 54.35294 56 251 57.00000 17.39840 69.5% 54.8 5s * 3492 1707 51 56.0000000 26.33333 53.0% 32.7 9s 4150 1977 37.35294 40 272 56.00000 27.71429 50.5% 31.0 10s 5727 2629 47.16364 56 280 56.00000 31.00000 44.6% 28.4 15s * 6183 2703 57 55.0000000 31.57143 42.6% 27.9 16s 8081 3282 36.43636 39 279 55.00000 33.59184 38.9% 26.2 20s 10470 3993 52.38462 57 304 55.00000 35.50000 35.5% 24.8 25s 12590 4586 49.50000 47 263 55.00000 36.65398 33.4% 24.1 30s *14463 4871 58 54.0000000 37.39216 30.8% 23.4 32s 15061 4977 52.00000 40 263 54.00000 37.60000 30.4% 23.3 36s 18257 5620 50.24833 40 247 54.00000 38.75840 28.2% 22.5 40s 22253 6334 51.71429 41 257 54.00000 39.71875 26.4% 21.8 45s 24408 6642 42.36903 49 291 54.00000 40.25840 25.4% 21.6 50s 27632 7064 cutoff 41 54.00000 41.06880 23.9% 21.1 55s 31707 7406 47.76471 48 293 54.00000 42.00000 22.2% 20.8 60s 35811 7645 46.92000 44 275 54.00000 42.72727 20.9% 20.5 65s 40031 7881 49.44681 37 286 54.00000 43.47405 19.5% 20.2 70s 41100 7935 51.50000 49 257 54.00000 43.59366 19.3% 20.2 77s 42871 7948 52.00000 47 242 54.00000 43.95059 18.6% 20.1 80s 46543 7947 cutoff 43 54.00000 44.50000 17.6% 19.9 85s 49904 7863 cutoff 38 54.00000 45.00000 16.7% 19.8 90s 53756 7780 51.53781 39 259 54.00000 45.57493 15.6% 19.6 95s 56174 7617 cutoff 46 54.00000 45.93303 14.9% 19.5 100s 60370 7201 49.39583 41 265 54.00000 46.56302 13.8% 19.4 105s 64323 6597 cutoff 53 54.00000 47.15398 12.7% 19.3 110s 67488 5953 50.14930 39 277 54.00000 47.70812 11.7% 19.2 115s 69928 5341 52.33333 49 264 54.00000 48.14360 10.8% 19.2 120s 74651 3525 52.69767 41 251 54.00000 49.28571 8.73% 19.1 125s 79594 720 cutoff 47 54.00000 51.50000 4.63% 18.9 130s Explored 80490 nodes (1510141 simplex iterations) in 130.50 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.400000000006e+01, best bound 5.400000000006e+01, gap 0.0%