Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:43:41 2013 Optimize a model with 5700 rows, 30100 columns and 70050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.36s Presolved: 5550 rows, 30000 columns, 64900 nonzeros Variable types: 27550 continuous, 2450 integer (2450 binary) Root relaxation: objective 2.198499e+05, 8411 iterations, 0.46 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 219849.939 0 2 - 219849.939 - - 0s 0 0 219934.963 0 1 - 219934.963 - - 1s 0 0 219941.475 0 1 - 219941.475 - - 1s 0 0 219949.085 0 1 - 219949.085 - - 1s 0 0 219949.085 0 1 - 219949.085 - - 1s 0 0 219951.944 0 2 - 219951.944 - - 1s 0 0 219956.882 0 1 - 219956.882 - - 1s 0 0 219956.882 0 1 - 219956.882 - - 1s 0 0 219961.516 0 1 - 219961.516 - - 1s 0 0 219961.516 0 1 - 219961.516 - - 1s 0 0 219961.516 0 1 - 219961.516 - - 1s 0 2 219963.049 0 1 - 219963.049 - - 2s 32 34 220484.197 32 2 - 220473.357 - 35.0 5s 105 107 221028.897 105 4 - 220473.357 - 28.9 10s 200 202 221433.889 200 2 - 220473.357 - 23.9 15s H 220 220 226439.97632 220473.357 2.63% 23.2 16s 285 287 221728.329 285 1 226439.976 220473.357 2.63% 21.4 20s H 388 382 224548.23712 220473.357 1.81% 19.7 25s H 409 192 222799.25049 220473.357 1.04% 19.4 25s H 422 167 222622.35999 220473.357 0.97% 19.5 26s 591 294 221645.689 26 2 222622.360 220841.109 0.80% 22.3 30s 635 328 220950.526 27 2 222622.360 220841.109 0.80% 33.9 35s 724 382 220841.109 73 2 222622.360 220841.109 0.80% 39.4 40s H 746 379 222619.91435 220957.334 0.75% 40.5 40s H 773 367 222410.14640 220957.334 0.65% 41.6 42s H 800 338 222038.53641 220957.334 0.49% 42.4 42s H 800 319 221988.45873 220957.334 0.46% 42.4 42s 902 341 221241.580 19 1 221988.459 221094.193 0.40% 41.9 45s 1390 301 221827.078 47 1 221988.459 221265.588 0.33% 36.3 50s 1924 368 221436.793 32 1 221988.459 221352.891 0.29% 33.5 55s 2459 425 221448.160 42 2 221988.459 221416.650 0.26% 32.1 60s 2716 440 221844.019 39 1 221988.459 221447.130 0.24% 31.7 65s 3199 442 cutoff 47 221988.459 221500.021 0.22% 31.0 70s 3724 414 221939.492 37 1 221988.459 221560.801 0.19% 30.8 75s 4071 384 221942.368 43 1 221988.459 221599.685 0.18% 30.5 83s 4193 374 221668.972 39 1 221988.459 221622.453 0.16% 30.4 85s 4753 294 221988.077 71 1 221988.459 221686.967 0.14% 30.1 90s 5269 211 221942.490 88 1 221988.459 221761.039 0.10% 29.9 95s 5671 94 221932.066 101 1 221988.459 221893.878 0.04% 29.4 100s Cutting planes: Gomory: 1 Flow cover: 7 Explored 5786 nodes (177103 simplex iterations) in 101.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.219884587317e+05, best bound 2.219677966912e+05, gap 0.0093%