Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:30:42 2014 Optimize a model with 59049 rows, 58807 columns and 234498 nonzeros Presolve time: 1.68s Presolved: 59049 rows, 58807 columns, 234498 nonzeros Variable types: 1 continuous, 58806 integer (58806 binary) Found heuristic solution: objective 1.2338524 Found heuristic solution: objective 1.1620944 Found heuristic solution: objective 1.0836377 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9881 7.7968554e-02 1.648456e+03 0.000000e+00 5s 10617 7.7900142e-02 0.000000e+00 0.000000e+00 6s Root relaxation: objective 7.790014e-02, 10617 iterations, 6.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.07790 0 2158 1.08364 0.07790 92.8% - 9s H 0 0 0.1357774 0.07790 42.6% - 19s 0 0 0.07924 0 1894 0.13578 0.07924 41.6% - 26s 0 0 0.07924 0 1980 0.13578 0.07924 41.6% - 27s 0 0 0.08071 0 1887 0.13578 0.08071 40.6% - 28s 0 0 0.08117 0 1891 0.13578 0.08117 40.2% - 28s 0 0 0.08127 0 1903 0.13578 0.08127 40.1% - 28s 0 0 0.08127 0 1909 0.13578 0.08127 40.1% - 28s 0 0 0.08127 0 1838 0.13578 0.08127 40.1% - 29s 0 2 0.08127 0 1838 0.13578 0.08127 40.1% - 30s H 81 81 0.1352725 0.08207 39.3% 332 33s 112 102 0.09152 11 1422 0.13527 0.08207 39.3% 318 35s H 135 121 0.1337415 0.08207 38.6% 321 36s H 162 135 0.1305244 0.08232 36.9% 333 37s H 216 185 0.1295760 0.08232 36.5% 325 39s 239 200 0.08955 14 1471 0.12958 0.08253 36.3% 323 40s H 297 240 0.1283878 0.08259 35.7% 331 42s H 324 266 0.1279883 0.08259 35.5% 326 43s H 351 280 0.1278966 0.08271 35.3% 323 44s * 368 291 19 0.1276084 0.08271 35.2% 315 44s 375 292 0.09133 6 1289 0.12761 0.08273 35.2% 316 45s H 378 293 0.1270204 0.08273 34.9% 317 45s H 405 308 0.1267142 0.08273 34.7% 308 46s * 410 313 31 0.1255403 0.08273 34.1% 306 46s * 428 311 36 0.1235780 0.08273 33.1% 294 46s H 433 302 0.1226524 0.08273 32.6% 291 46s * 453 314 21 0.1225891 0.08331 32.0% 288 46s H 487 319 0.1223670 0.08444 31.0% 300 48s * 490 313 11 0.1211990 0.08444 30.3% 299 48s 498 305 infeasible 9 0.12120 0.08532 29.6% 314 50s 534 269 infeasible 12 0.12120 0.08775 27.6% 373 55s 612 191 infeasible 33 0.12120 0.09500 21.6% 400 60s Cutting planes: Gomory: 5 MIR: 7 Zero half: 6 Explored 804 nodes (311157 simplex iterations) in 63.41 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.211989705342e-01, best bound 1.211989705342e-01, gap 0.0%