Gurobi 5.6.3 (linux64) logging started Wed Oct 8 05:00:53 2014 Optimize a model with 52900 rows, 52671 columns and 209993 nonzeros Presolve time: 1.47s Presolved: 52900 rows, 52671 columns, 209993 nonzeros Variable types: 1 continuous, 52670 integer (52670 binary) Found heuristic solution: objective 0.9727568 Found heuristic solution: objective 0.9647921 Found heuristic solution: objective 0.8739371 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 11302 8.0461147e-02 0.000000e+00 0.000000e+00 5s Root relaxation: objective 8.046115e-02, 11302 iterations, 5.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08046 0 2105 0.87394 0.08046 90.8% - 8s H 0 0 0.1411571 0.08046 43.0% - 18s 0 0 0.08194 0 1884 0.14116 0.08194 42.0% - 22s 0 0 0.08194 0 1835 0.14116 0.08194 42.0% - 24s 0 0 0.08228 0 1880 0.14116 0.08228 41.7% - 24s 0 0 0.08247 0 1888 0.14116 0.08247 41.6% - 25s 0 0 0.08256 0 1883 0.14116 0.08256 41.5% - 25s 0 0 0.08256 0 1804 0.14116 0.08256 41.5% - 26s 0 2 0.08256 0 1804 0.14116 0.08256 41.5% - 27s 43 45 0.08665 23 1817 0.14116 0.08329 41.0% 399 30s * 79 79 42 0.1406067 0.08329 40.8% 390 31s H 81 79 0.1399018 0.08329 40.5% 380 31s H 108 98 0.1388633 0.08374 39.7% 354 32s * 155 144 46 0.1386668 0.08374 39.6% 342 34s * 160 141 47 0.1385385 0.08374 39.6% 334 34s H 163 138 0.1369867 0.08374 38.9% 328 34s 175 152 0.11348 11 871 0.13699 0.08374 38.9% 343 35s H 188 163 0.1365538 0.08374 38.7% 335 35s H 190 164 0.1358901 0.08374 38.4% 333 35s H 244 210 0.1346251 0.08381 37.7% 345 38s * 254 210 6 0.1344461 0.08381 37.7% 354 38s * 267 216 13 0.1343864 0.08381 37.6% 344 39s * 268 212 13 0.1339099 0.08381 37.4% 343 39s H 271 208 0.1327339 0.08381 36.9% 339 39s 287 226 0.10942 13 795 0.13273 0.08390 36.8% 351 40s H 298 235 0.1320176 0.08390 36.4% 345 40s * 323 242 14 0.1313866 0.08390 36.1% 341 40s H 327 234 0.1310725 0.08390 36.0% 337 40s 372 220 infeasible 15 0.13107 0.08572 34.6% 387 45s 398 198 0.12146 15 423 0.13107 0.08752 33.2% 458 50s H 447 156 0.1306837 0.09242 29.3% 482 53s * 465 154 12 0.1301659 0.09317 28.4% 476 54s 474 145 infeasible 21 0.13017 0.09362 28.1% 477 55s Cutting planes: Gomory: 6 Explored 620 nodes (289908 simplex iterations) in 58.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.301658930706e-01, best bound 1.301658930706e-01, gap 0.0%