Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:37:53 2014 Optimize a model with 59536 rows, 59293 columns and 236439 nonzeros Presolve time: 1.68s Presolved: 59536 rows, 59293 columns, 236439 nonzeros Variable types: 1 continuous, 59292 integer (59292 binary) Found heuristic solution: objective 1.0383750 Found heuristic solution: objective 0.9669508 Found heuristic solution: objective 0.9221364 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9860 7.6637145e-02 1.108171e+03 0.000000e+00 5s 10314 7.6507423e-02 0.000000e+00 0.000000e+00 6s Root relaxation: objective 7.650742e-02, 10314 iterations, 5.89 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.07651 0 2116 0.92214 0.07651 91.7% - 8s H 0 0 0.1331808 0.07651 42.6% - 19s 0 0 0.07948 0 1767 0.13318 0.07948 40.3% - 24s 0 0 0.07948 0 1759 0.13318 0.07948 40.3% - 26s 0 0 0.08073 0 1857 0.13318 0.08073 39.4% - 26s 0 0 0.08090 0 1842 0.13318 0.08090 39.3% - 27s 0 0 0.08110 0 1816 0.13318 0.08110 39.1% - 27s 0 0 0.08112 0 1848 0.13318 0.08112 39.1% - 27s 0 0 0.08112 0 1770 0.13318 0.08112 39.1% - 27s 0 2 0.08117 0 1770 0.13318 0.08117 39.1% - 28s 13 15 0.08354 7 1718 0.13318 0.08240 38.1% 754 30s H 81 81 0.1324166 0.08257 37.6% 391 32s H 108 98 0.1309981 0.08257 37.0% 398 33s H 135 125 0.1298777 0.08257 36.4% 379 34s 140 124 0.08596 3 1485 0.12988 0.08277 36.3% 391 35s H 189 158 0.1289092 0.08278 35.8% 363 36s H 216 183 0.1281112 0.08278 35.4% 350 37s H 243 192 0.1254227 0.08280 34.0% 345 38s * 253 195 18 0.1253931 0.08280 34.0% 338 38s H 264 199 0.1253693 0.08280 34.0% 347 39s * 270 203 13 0.1253063 0.08280 33.9% 341 39s 279 200 0.09923 7 1046 0.12531 0.08306 33.7% 356 40s * 290 199 9 0.1245612 0.08321 33.2% 355 40s * 293 198 9 0.1244130 0.08321 33.1% 354 40s * 294 197 9 0.1238268 0.08321 32.8% 355 40s * 301 195 7 0.1230837 0.08322 32.4% 366 41s 341 156 cutoff 9 0.12308 0.09125 25.9% 421 45s Cutting planes: Gomory: 5 MIR: 44 Zero half: 6 Explored 498 nodes (200014 simplex iterations) in 47.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.230837424458e-01, best bound 1.230837424458e-01, gap 0.0%