Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:31:23 2014 Optimize a model with 50625 rows, 50401 columns and 200928 nonzeros Presolve time: 1.64s Presolved: 50625 rows, 50401 columns, 200928 nonzeros Variable types: 1 continuous, 50400 integer (50400 binary) Found heuristic solution: objective 1.0515173 Found heuristic solution: objective 1.0054801 Found heuristic solution: objective 0.9677418 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10810 8.2282637e-02 3.275303e+03 0.000000e+00 5s 11416 8.2192708e-02 0.000000e+00 0.000000e+00 6s Root relaxation: objective 8.219271e-02, 11416 iterations, 6.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08219 0 2011 0.96774 0.08219 91.5% - 8s H 0 0 0.1424110 0.08219 42.3% - 17s 0 0 0.08371 0 1881 0.14241 0.08371 41.2% - 21s 0 0 0.08371 0 1879 0.14241 0.08371 41.2% - 23s 0 0 0.08403 0 1808 0.14241 0.08403 41.0% - 23s 0 0 0.08460 0 1842 0.14241 0.08460 40.6% - 23s 0 0 0.08465 0 1925 0.14241 0.08465 40.6% - 23s 0 0 0.08465 0 1907 0.14241 0.08465 40.6% - 24s 0 0 0.08465 0 1907 0.14241 0.08465 40.6% - 24s 0 0 0.08465 0 1835 0.14241 0.08465 40.6% - 24s 0 2 0.08465 0 1835 0.14241 0.08465 40.6% - 25s * 80 74 43 0.1413880 0.08538 39.6% 356 29s H 84 68 0.1396706 0.08538 38.9% 339 29s 87 73 0.09086 8 1492 0.13967 0.08539 38.9% 357 30s H 111 95 0.1392867 0.08539 38.7% 367 31s * 120 102 26 0.1386008 0.08539 38.4% 364 31s * 123 100 26 0.1381734 0.08539 38.2% 356 31s * 160 130 27 0.1368781 0.08540 37.6% 347 32s * 215 177 20 0.1366454 0.08542 37.5% 350 34s 226 178 0.09103 9 1357 0.13665 0.08558 37.4% 349 35s H 248 198 0.1355752 0.08558 36.9% 353 35s * 292 224 18 0.1355434 0.08558 36.9% 351 37s H 302 224 0.1350442 0.08558 36.6% 350 38s * 327 239 26 0.1348703 0.08558 36.5% 336 38s H 329 237 0.1331706 0.08558 35.7% 334 38s * 333 231 28 0.1330166 0.08558 35.7% 330 38s * 345 233 9 0.1328793 0.08565 35.5% 331 39s * 349 233 10 0.1328757 0.08565 35.5% 328 39s * 361 231 13 0.1323961 0.08591 35.1% 336 39s 363 231 0.10877 7 973 0.13240 0.08609 35.0% 342 40s * 382 238 13 0.1323499 0.08615 34.9% 341 40s * 383 237 13 0.1311190 0.08615 34.3% 341 40s H 404 238 0.1309487 0.08677 33.7% 334 41s * 407 239 16 0.1308804 0.08677 33.7% 332 41s * 408 238 16 0.1304884 0.08677 33.5% 331 41s 430 216 infeasible 5 0.13049 0.09116 30.1% 375 45s 514 132 cutoff 13 0.13049 0.10231 21.6% 405 50s Cutting planes: Gomory: 5 MIR: 19 Zero half: 3 Explored 647 nodes (254267 simplex iterations) in 51.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.304883766191e-01, best bound 1.304883766191e-01, gap 0.0%