Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:29:20 2013 Optimize a model with 3200 rows, 203500 columns and 1401900 nonzeros Presolve removed 100 rows and 2500 columns Presolve time: 2.81s Presolved: 3100 rows, 201000 columns, 1301900 nonzeros Variable types: 200100 continuous, 900 integer (900 binary) Root relaxation: objective 7.672886e+05, 7317 iterations, 0.91 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 767288.564 0 21 - 767288.564 - - 4s 0 0 767302.686 0 21 - 767302.686 - - 5s 0 0 767303.908 0 21 - 767303.908 - - 6s 0 0 767304.346 0 21 - 767304.346 - - 7s 0 0 767306.449 0 20 - 767306.449 - - 8s 0 0 767306.814 0 21 - 767306.814 - - 8s 0 0 767306.814 0 21 - 767306.814 - - 9s 0 0 767306.814 0 21 - 767306.814 - - 14s 0 2 767316.831 0 21 - 767316.831 - - 28s 10 12 767713.369 8 11 - 767348.537 - 166 30s 29 31 768539.417 25 7 - 767348.537 - 93.1 35s 63 65 768609.697 59 7 - 767348.537 - 44.3 40s 92 94 768648.191 88 7 - 767348.537 - 31.1 45s 123 125 768679.753 119 7 - 767348.537 - 23.9 50s 159 161 768741.128 155 7 - 767348.537 - 18.9 55s 203 205 768852.339 199 7 - 767348.537 - 15.3 60s 243 245 768970.327 239 7 - 767348.537 - 13.1 65s 286 288 769328.518 282 5 - 767348.537 - 11.4 70s 315 317 769519.593 311 7 - 767348.537 - 10.6 75s 337 339 769700.826 333 6 - 767348.537 - 10.1 80s * 353 353 348 776370.71174 767348.537 1.16% 9.9 80s 371 359 767962.848 12 7 776370.712 767538.433 1.14% 12.0 85s 400 388 768944.919 41 8 776370.712 767538.433 1.14% 15.1 90s 441 429 771867.750 81 7 776370.712 767538.433 1.14% 17.7 95s H 467 436 772698.80955 767538.433 0.67% 17.4 96s 570 540 772636.930 208 5 772698.810 767538.433 0.67% 14.6 100s 601 570 769531.010 318 21 772698.810 767538.433 0.67% 13.9 107s 603 571 768581.257 49 21 772698.810 767538.433 0.67% 13.8 111s 605 573 771062.875 229 21 772698.810 767538.433 0.67% 13.8 122s 608 577 767778.650 10 7 772698.810 767778.650 0.64% 30.0 128s 609 577 767812.496 10 7 772698.810 767778.650 0.64% 30.9 131s 611 579 770183.763 11 14 772698.810 767778.650 0.64% 31.2 136s 614 581 767945.247 13 14 772698.810 767778.650 0.64% 32.1 143s 616 582 767957.459 14 15 772698.810 767778.650 0.64% 32.3 146s 629 588 768065.383 21 8 772698.810 767778.650 0.64% 33.3 150s H 634 555 771340.52094 767778.650 0.46% 33.1 151s 644 556 768390.117 29 13 771340.521 767778.650 0.46% 33.9 155s 656 557 768795.551 36 14 771340.521 767778.650 0.46% 34.9 161s 666 554 769221.228 43 7 771340.521 767778.650 0.46% 35.0 165s 679 552 769603.247 51 7 771340.521 767778.650 0.46% 35.3 170s 683 551 770314.955 55 7 771340.521 767778.650 0.46% 35.6 175s 689 548 771061.581 60 7 771340.521 767778.650 0.46% 35.7 180s 704 553 768106.793 19 7 771340.521 767882.603 0.45% 36.1 185s 716 551 768278.671 27 7 771340.521 767882.603 0.45% 36.1 190s H 742 530 771037.18518 767882.603 0.41% 35.3 194s * 743 454 43 768349.65379 767882.603 0.06% 35.3 194s 753 447 cutoff 18 768349.654 767942.903 0.05% 34.9 195s 841 421 768322.841 16 14 768349.654 768253.458 0.01% 32.1 200s Cutting planes: Flow cover: 6 Explored 849 nodes (36054 simplex iterations) in 200.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.683496537888e+05, best bound 7.682779402384e+05, gap 0.0093%