Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:01:44 2014 Optimize a model with 24025 rows, 23871 columns and 95018 nonzeros Presolve time: 0.53s Presolved: 24025 rows, 23871 columns, 95018 nonzeros Variable types: 1 continuous, 23870 integer (23870 binary) Found heuristic solution: objective 1.1126482 Found heuristic solution: objective 1.1073119 Found heuristic solution: objective 1.0730240 Root relaxation: objective 9.792703e-02, 7951 iterations, 1.62 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09793 0 1410 1.07302 0.09793 90.9% - 2s H 0 0 0.2590643 0.09793 62.2% - 2s 0 0 0.09856 0 1420 0.25906 0.09856 62.0% - 4s 0 0 0.09856 0 1409 0.25906 0.09856 62.0% - 5s 0 0 0.09856 0 1457 0.25906 0.09856 62.0% - 6s H 0 0 0.2532385 0.09856 61.1% - 6s H 0 0 0.2477323 0.09856 60.2% - 6s 0 0 0.09921 0 1414 0.24773 0.09921 60.0% - 6s 0 0 0.09923 0 1410 0.24773 0.09923 59.9% - 7s H 0 0 0.2408582 0.09923 58.8% - 7s 0 0 0.09923 0 1374 0.24086 0.09923 58.8% - 8s H 0 0 0.2104488 0.09923 52.8% - 9s 0 2 0.09932 0 1390 0.21045 0.09932 52.8% - 9s 1 3 0.09982 1 1334 0.21045 0.09933 52.8% 2465 10s 72 74 0.12987 37 894 0.21045 0.10074 52.1% 499 15s H 81 81 0.1968094 0.10074 48.8% 469 15s H 108 108 0.1910148 0.10074 47.3% 406 15s H 154 144 0.1887093 0.10074 46.6% 360 17s H 162 152 0.1816435 0.10074 44.5% 357 17s * 171 161 38 0.1787821 0.10074 43.7% 351 17s * 172 158 38 0.1768099 0.10074 43.0% 349 17s H 216 194 0.1712317 0.10137 40.8% 329 18s * 227 202 36 0.1708230 0.10137 40.7% 319 18s * 228 201 36 0.1705997 0.10137 40.6% 318 18s H 243 210 0.1663298 0.10137 39.1% 316 19s 255 224 0.14245 14 551 0.16633 0.10137 39.1% 329 20s H 264 229 0.1658025 0.10137 38.9% 324 20s * 267 232 19 0.1634539 0.10137 38.0% 322 20s * 281 226 9 0.1611609 0.10143 37.1% 317 20s * 293 220 11 0.1575080 0.10172 35.4% 325 21s Cutting planes: Gomory: 4 Explored 522 nodes (147611 simplex iterations) in 24.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.575080465947e-01, best bound 1.575080465947e-01, gap 0.0%