Gurobi 5.0.1 (linux64) logging started Sat Nov 17 22:06:12 2012 Optimize a model with 239 rows, 508 columns and 508 nonzeros Model has 476 quadratic constraints Presolve time: 2.78s Presolved: 239 rows, 508 columns, 508 nonzeros Variable types: 476 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 0 123.0000000 - - - 2s 0 0 0.00000 0 28 123.00000 0.00000 100% - 2s 0 0 0.42857 0 32 123.00000 0.42857 100% - 2s 0 0 0.42857 0 32 123.00000 0.42857 100% - 2s 0 2 0.42857 0 32 123.00000 0.42857 100% - 2s * 46 46 24 103.0000000 8.93350 91.3% 50.0 2s H 80 72 99.0000000 9.00000 90.9% 50.7 2s H 178 148 98.0000000 17.66667 82.0% 50.9 3s H 279 228 97.0000000 21.41667 77.9% 52.1 3s * 436 284 19 93.0000000 26.78846 71.2% 48.7 3s 601 348 65.76190 10 32 93.00000 35.43519 61.9% 47.3 5s 2574 1030 45.50000 29 286 93.00000 40.45000 56.5% 39.9 10s 6102 2463 79.25000 30 270 93.00000 52.10000 44.0% 32.2 15s 9753 3686 82.00000 31 279 93.00000 58.56522 37.0% 29.8 20s 13599 4921 77.91667 33 288 93.00000 62.31250 33.0% 28.2 25s 17619 6021 91.60000 36 243 93.00000 65.00000 30.1% 27.1 30s 21646 7020 91.00000 33 262 93.00000 67.00000 28.0% 26.4 35s 25898 7908 87.34375 37 274 93.00000 68.75000 26.1% 25.7 40s 30063 8738 90.50000 36 258 93.00000 70.33333 24.4% 25.2 45s 34359 9459 78.00000 32 257 93.00000 71.70000 22.9% 24.8 50s 38777 10166 cutoff 47 93.00000 72.80000 21.7% 24.4 55s 40804 10454 cutoff 44 93.00000 73.16667 21.3% 24.1 65s 44830 10990 90.37500 34 249 93.00000 74.00000 20.4% 23.8 70s 49274 11500 83.09722 34 276 93.00000 74.75000 19.6% 23.5 75s 53837 11937 83.00000 37 255 93.00000 75.52632 18.8% 23.3 80s 58522 12361 92.32353 36 268 93.00000 76.23214 18.0% 23.0 85s 63396 12702 90.88889 37 272 93.00000 76.93333 17.3% 22.9 90s 68306 12982 91.00000 33 290 93.00000 77.53125 16.6% 22.8 95s 73239 13239 83.37500 32 272 93.00000 78.16667 15.9% 22.8 100s 78327 13471 89.16667 32 280 93.00000 78.80000 15.3% 22.7 105s 83361 13576 83.50000 34 267 93.00000 79.40000 14.6% 22.6 110s 88469 13634 80.75000 33 257 93.00000 80.00000 14.0% 22.5 115s 93597 13630 86.55556 36 269 93.00000 80.50000 13.4% 22.5 120s 98819 13537 92.64706 35 258 93.00000 81.00000 12.9% 22.4 125s 104111 13334 cutoff 48 93.00000 81.54545 12.3% 22.3 130s 109450 13048 89.16667 37 272 93.00000 82.00000 11.8% 22.2 135s 114860 12652 cutoff 38 93.00000 82.65593 11.1% 22.1 140s 120392 12192 92.80000 41 239 93.00000 83.18182 10.6% 22.0 145s *122989 11304 40 92.0000000 83.46154 9.28% 22.0 147s 123203 11247 84.53846 45 288 92.00000 83.50000 9.24% 21.9 150s 123358 11212 87.68421 36 279 92.00000 83.50000 9.24% 21.9 156s 123443 11188 90.50000 46 257 92.00000 83.50000 9.24% 21.9 160s 123588 11154 86.50000 42 254 92.00000 83.52941 9.21% 21.9 166s 124829 10857 89.41176 41 269 92.00000 83.71429 9.01% 21.9 171s 128484 9878 87.76471 39 250 92.00000 84.28571 8.39% 21.9 175s 131082 9077 89.33333 34 288 92.00000 84.80000 7.83% 21.8 180s 137007 6692 88.00000 38 266 92.00000 86.14286 6.37% 21.7 188s 139360 5277 89.58824 36 253 92.00000 87.00000 5.43% 21.6 190s Explored 145986 nodes (3095833 simplex iterations) in 193.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.200000000060e+01, best bound 9.200000000060e+01, gap 0.0%