Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:17:07 2012 Optimize a model with 235 rows, 500 columns and 500 nonzeros Model has 468 quadratic constraints Presolve time: 2.73s Presolved: 235 rows, 500 columns, 500 nonzeros Variable types: 468 continuous, 32 integer (32 binary) Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 130.0000000 - - - 2s 0 0 0.00000 0 28 130.00000 0.00000 100% - 2s 0 0 0.42857 0 32 130.00000 0.42857 100% - 2s 0 0 0.42857 0 32 130.00000 0.42857 100% - 2s 0 2 0.42857 0 32 130.00000 0.42857 100% - 2s H 8 8 116.0000000 8.80000 92.4% 79.1 2s * 43 43 22 96.0000000 8.80000 90.8% 64.6 2s 640 433 78.00000 27 201 96.00000 30.44000 68.3% 60.8 5s 3579 1659 85.00000 41 268 96.00000 44.66667 53.5% 37.3 10s 7433 3246 63.00000 29 309 96.00000 54.17647 43.6% 30.7 15s 11487 4686 65.16667 33 320 96.00000 59.00000 38.5% 28.2 20s 15680 6079 86.00000 33 302 96.00000 62.14286 35.3% 26.8 25s 19915 7415 94.93333 47 236 96.00000 64.89267 32.4% 25.9 30s 24223 8634 76.88709 32 280 96.00000 67.00000 30.2% 25.2 35s 28720 9849 73.39222 31 284 96.00000 68.98437 28.1% 24.6 40s 33183 10965 91.71111 43 278 96.00000 70.32957 26.7% 24.1 45s *33473 10848 52 95.0000000 70.45455 25.8% 24.0 45s 33861 10924 77.89474 33 278 95.00000 70.53125 25.8% 24.0 50s H33944 10490 93.0000000 70.54294 24.1% 24.0 54s 34663 10581 85.89474 38 279 93.00000 70.77778 23.9% 23.9 55s 38394 11034 80.89222 36 266 93.00000 71.86859 22.7% 23.7 60s 40808 11312 cutoff 49 93.00000 72.46154 22.1% 23.6 69s 41542 11393 91.06250 51 243 93.00000 72.65698 21.9% 23.5 70s 45812 11819 cutoff 49 93.00000 73.64007 20.8% 23.3 75s 48918 12050 90.94470 36 250 93.00000 74.37500 20.0% 23.1 80s 53178 12355 cutoff 43 93.00000 75.27556 19.1% 23.0 85s 57446 12499 86.87520 33 280 93.00000 76.00666 18.3% 22.9 90s 61617 12653 cutoff 37 93.00000 76.80000 17.4% 22.8 95s 65800 12780 cutoff 41 93.00000 77.40000 16.8% 22.8 100s 69952 12812 80.89222 32 264 93.00000 78.00000 16.1% 22.7 105s 74191 12772 90.63158 33 273 93.00000 78.66667 15.4% 22.6 110s 76988 12744 89.72865 45 269 93.00000 79.00000 15.1% 22.6 115s 81297 12635 cutoff 39 93.00000 79.66667 14.3% 22.5 120s 84962 12520 89.05882 42 243 93.00000 80.09885 13.9% 22.4 125s 88523 12304 86.23529 35 268 93.00000 80.63158 13.3% 22.3 130s 92819 12103 85.50000 48 241 93.00000 81.07692 12.8% 22.2 135s 97248 11698 89.00000 35 283 93.00000 81.71259 12.1% 22.1 140s 101678 11206 86.00000 37 250 93.00000 82.30769 11.5% 22.1 145s 106131 10641 90.00000 41 250 93.00000 82.89607 10.9% 22.0 150s 110667 9881 cutoff 47 93.00000 83.50000 10.2% 21.9 155s 114359 9174 91.64706 44 268 93.00000 84.00000 9.68% 21.8 160s 118790 8152 88.33333 41 269 93.00000 84.80832 8.81% 21.7 165s 123497 6867 cutoff 39 93.00000 85.66667 7.89% 21.6 170s 128406 5022 90.89222 44 231 93.00000 86.87500 6.59% 21.5 175s 133974 1718 cutoff 36 93.00000 89.38749 3.88% 21.3 180s Explored 136030 nodes (2875661 simplex iterations) in 181.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.300000000059e+01, best bound 9.300000000059e+01, gap 0.0%