Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:34:43 2013 Optimize a model with 11600 rows, 120300 columns and 270500 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.54s Presolved: 11500 rows, 120200 columns, 260400 nonzeros Variable types: 110200 continuous, 10000 integer (10000 binary) Root relaxation: objective 7.543716e+05, 10333 iterations, 0.88 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 754371.571 0 8 - 754371.571 - - 1s 0 0 754462.385 0 6 - 754462.385 - - 3s 0 0 754471.730 0 8 - 754471.730 - - 3s 0 0 754474.120 0 8 - 754474.120 - - 4s 0 0 754474.428 0 8 - 754474.428 - - 4s 0 0 754474.458 0 8 - 754474.458 - - 5s 0 0 754474.458 0 8 - 754474.458 - - 5s 0 0 754474.458 0 8 - 754474.458 - - 5s 0 0 754474.458 0 8 - 754474.458 - - 6s H 0 0 757960.97996 754474.458 0.46% - 7s 0 2 754474.458 0 8 757960.980 754474.458 0.46% - 9s 2 4 754696.287 1 8 757960.980 754696.287 0.43% 560 10s 17 16 756472.585 10 4 757960.980 754768.761 0.42% 347 15s H 27 15 757536.07593 754768.761 0.37% 250 16s * 39 12 29 756888.12940 754768.761 0.28% 186 18s 61 15 755076.020 17 2 756888.129 754768.761 0.28% 141 20s 106 17 755729.780 61 4 756888.129 754768.761 0.28% 92.6 25s 135 19 755971.036 88 6 756888.129 754768.761 0.28% 84.4 30s 170 19 756129.514 119 6 756888.129 754768.761 0.28% 75.7 35s 197 19 756384.867 146 2 756888.129 754768.761 0.28% 71.2 40s 222 19 756591.244 171 2 756888.129 754768.761 0.28% 69.7 45s 249 19 756870.098 198 4 756888.129 754768.761 0.28% 67.5 50s H 271 21 756790.61159 755100.737 0.22% 74.3 53s 280 22 756374.491 22 4 756790.612 755100.737 0.22% 72.9 55s H 298 21 756703.61713 755100.737 0.21% 70.7 58s 306 22 756511.967 48 4 756703.617 755100.737 0.21% 69.9 60s 343 24 756566.968 84 2 756703.617 755100.737 0.21% 64.6 65s H 352 21 756649.65330 755100.737 0.20% 63.5 66s 385 22 756592.040 126 2 756649.653 755100.737 0.20% 59.8 70s 431 23 756609.732 172 4 756649.653 755100.737 0.20% 55.2 75s H 433 20 756617.94475 755100.737 0.20% 54.9 75s 532 24 755825.198 64 2 756617.945 755198.995 0.19% 47.4 80s 570 24 755993.406 102 2 756617.945 755198.995 0.19% 45.7 85s 597 24 756050.805 129 2 756617.945 755198.995 0.19% 44.4 90s 616 24 756087.256 147 2 756617.945 755198.995 0.19% 43.9 95s 633 24 756128.202 163 4 756617.945 755198.995 0.19% 43.4 100s 651 24 756182.981 181 4 756617.945 755198.995 0.19% 42.5 105s 670 24 756219.254 199 2 756617.945 755198.995 0.19% 41.8 110s 686 24 756253.992 214 4 756617.945 755198.995 0.19% 41.3 115s 696 24 756282.166 224 2 756617.945 755198.995 0.19% 41.0 120s 709 24 756315.878 237 2 756617.945 755198.995 0.19% 40.5 125s 727 24 756362.810 255 2 756617.945 755198.995 0.19% 39.9 130s 747 24 756405.836 275 2 756617.945 755198.995 0.19% 39.3 135s 777 24 756426.019 305 2 756617.945 755198.995 0.19% 38.0 140s 811 24 756437.292 339 2 756617.945 755198.995 0.19% 36.5 145s 851 24 756452.991 379 2 756617.945 755198.995 0.19% 34.9 150s 891 24 756471.474 419 2 756617.945 755198.995 0.19% 33.5 155s 932 24 756491.855 460 2 756617.945 755198.995 0.19% 32.2 160s 975 24 756516.136 503 2 756617.945 755198.995 0.19% 31.0 165s 1019 24 756542.544 547 2 756617.945 755198.995 0.19% 29.8 170s 1069 24 756576.600 597 2 756617.945 755198.995 0.19% 28.6 175s 1123 28 755727.916 8 2 756617.945 755198.995 0.19% 29.1 180s 1161 29 756120.979 42 2 756617.945 755198.995 0.19% 29.1 185s H 1163 17 756164.21329 755198.995 0.13% 29.1 185s 1244 18 756145.800 125 2 756164.213 755198.995 0.13% 27.4 190s 1326 18 756155.489 205 2 756164.213 755198.995 0.13% 25.8 195s * 1400 18 277 756163.44205 755198.995 0.13% 24.6 199s 1402 18 755850.557 4 4 756163.442 755316.076 0.11% 25.2 200s H 1487 21 755690.00301 755598.968 0.01% 25.6 204s 1501 28 cutoff 6 755690.003 755598.968 0.01% 25.5 205s Cutting planes: Implied bound: 99 Flow cover: 13 Explored 1504 nodes (52353 simplex iterations) in 205.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.556900030059e+05, best bound 7.556169875833e+05, gap 0.0097%