Gurobi 5.0.1 (linux64) logging started Fri Jan 18 06:33:09 2013 Optimize a model with 3200 rows, 203500 columns and 1401900 nonzeros Presolve removed 100 rows and 2500 columns Presolve time: 2.76s Presolved: 3100 rows, 201000 columns, 1301900 nonzeros Variable types: 200100 continuous, 900 integer (900 binary) Root relaxation: objective 8.951303e+05, 8359 iterations, 1.33 seconds Total elapsed time = 5.16s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 895130.293 0 28 - 895130.293 - - 5s 0 0 895140.214 0 28 - 895140.214 - - 6s 0 0 895142.722 0 28 - 895142.722 - - 7s 0 0 895144.265 0 28 - 895144.265 - - 8s 0 0 895144.516 0 28 - 895144.516 - - 8s 0 0 895144.516 0 28 - 895144.516 - - 9s 0 0 895144.516 0 28 - 895144.516 - - 11s 0 0 895144.516 0 28 - 895144.516 - - 12s 0 0 895144.516 0 28 - 895144.516 - - 13s 0 0 895144.740 0 28 - 895144.740 - - 15s 0 0 895144.740 0 28 - 895144.740 - - 21s 0 2 895147.923 0 28 - 895147.923 - - 38s 8 10 895459.048 6 7 - 895172.716 - 157 40s 24 26 895551.857 22 13 - 895172.716 - 69.0 45s 39 41 895684.394 37 11 - 895172.716 - 57.4 50s 59 61 895792.459 57 7 - 895172.716 - 45.2 55s 97 99 896081.563 95 5 - 895172.716 - 33.6 60s 130 132 896479.309 128 7 - 895172.716 - 28.9 65s 147 149 896525.297 145 7 - 895172.716 - 27.2 70s 182 184 896953.478 180 7 - 895172.716 - 26.1 75s 213 215 897396.927 211 3 - 895172.716 - 23.9 80s 235 237 897619.765 233 7 - 895172.716 - 23.5 85s 258 260 897937.155 256 7 - 895172.716 - 23.6 90s 293 295 898650.810 291 5 - 895172.716 - 22.7 95s 327 329 899823.059 325 3 - 895172.716 - 22.2 100s 365 367 903256.222 357 7 - 895172.716 - 21.2 105s 418 419 903273.263 410 7 - 895172.716 - 18.7 110s 478 479 903287.451 470 7 - 895172.716 - 16.5 116s * 489 399 481 903289.91836 895172.716 0.90% 16.2 118s 499 401 895567.333 8 7 903289.918 895191.538 0.90% 16.8 120s 554 456 897079.304 63 7 903289.918 895191.538 0.90% 18.1 125s 601 502 897520.188 70 28 903289.918 895191.538 0.90% 18.9 138s 603 503 895540.273 7 28 903289.918 895191.538 0.90% 18.8 142s 605 505 903259.136 354 30 903289.918 895191.538 0.90% 18.7 145s 608 507 895199.197 5 30 903289.918 895191.538 0.90% 18.6 151s 611 509 896478.052 128 30 903289.918 895191.538 0.90% 18.5 157s 613 510 895199.197 5 30 903289.918 895191.538 0.90% 18.5 166s 616 514 895487.476 10 7 903289.918 895487.476 0.86% 42.3 171s 617 515 896211.092 10 21 903289.918 895487.476 0.86% 42.9 179s 618 515 895526.232 11 7 903289.918 895526.232 0.86% 42.9 181s 620 517 895546.506 12 7 903289.918 895546.506 0.86% 43.7 186s 622 518 895550.054 13 15 903289.918 895550.054 0.86% 44.1 193s 623 519 897372.565 13 21 903289.918 895550.054 0.86% 44.2 196s 627 521 899501.782 15 14 903289.918 895575.156 0.85% 45.9 200s 633 525 899604.380 18 14 903289.918 895613.525 0.85% 46.7 205s 637 528 901956.249 20 21 903289.918 895626.275 0.85% 47.5 210s 646 534 895679.904 25 15 903289.918 895666.978 0.84% 50.8 215s 657 539 901096.983 30 21 903289.918 895760.167 0.83% 53.0 220s 661 542 898728.115 32 7 903289.918 895782.486 0.83% 53.3 225s 670 547 900961.464 37 14 903289.918 895799.940 0.83% 55.2 230s 686 553 896039.478 46 7 903289.918 896031.436 0.80% 56.8 235s 707 552 896365.644 58 7 903289.918 896269.254 0.78% 56.0 240s 714 550 896507.405 63 7 903289.918 896275.804 0.78% 56.0 245s 717 549 896941.790 66 7 903289.918 896275.804 0.78% 56.0 250s H 723 517 902681.52412 896275.804 0.71% 55.8 255s 728 517 897920.087 76 7 902681.524 896275.804 0.71% 55.7 260s 732 515 898668.538 80 7 902681.524 896275.804 0.71% 55.5 265s 741 517 899494.777 86 7 902681.524 896275.804 0.71% 55.3 270s 762 518 900589.939 97 7 902681.524 896275.804 0.71% 54.7 275s H 804 497 902596.69769 896275.804 0.70% 52.5 279s 805 500 901377.608 121 3 902596.698 896275.804 0.70% 52.4 280s H 831 458 902278.42060 896275.804 0.67% 51.1 282s 863 454 cutoff 155 902278.421 896275.804 0.67% 49.4 285s * 879 416 164 902101.71074 896275.804 0.65% 48.6 285s 893 414 901816.384 13 7 902101.711 896471.884 0.62% 49.4 291s 897 416 898647.671 15 7 902101.711 896471.884 0.62% 50.6 295s Cutting planes: Gomory: 1 Flow cover: 15 Explored 922 nodes (60856 simplex iterations) in 300.02 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 9.021017107430e+05, best bound 8.964718839109e+05, gap 0.6241%