Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:58:55 2014 Optimize a model with 36864 rows, 36673 columns and 146115 nonzeros Presolve time: 0.98s Presolved: 36864 rows, 36673 columns, 146115 nonzeros Variable types: 1 continuous, 36672 integer (36672 binary) Found heuristic solution: objective 1.2336549 Found heuristic solution: objective 0.9778293 Found heuristic solution: objective 0.9769504 Root relaxation: objective 8.784327e-02, 8351 iterations, 3.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08784 0 1695 0.97695 0.08784 91.0% - 4s H 0 0 0.1739451 0.08784 49.5% - 9s 0 0 0.08972 0 1675 0.17395 0.08972 48.4% - 12s 0 0 0.08972 0 1661 0.17395 0.08972 48.4% - 13s H 0 0 0.1658364 0.08972 45.9% - 13s 0 0 0.09001 0 1670 0.16584 0.09001 45.7% - 14s 0 0 0.09032 0 1677 0.16584 0.09032 45.5% - 14s 0 0 0.09054 0 1643 0.16584 0.09054 45.4% - 15s 0 0 0.09059 0 1660 0.16584 0.09059 45.4% - 15s 0 0 0.09064 0 1687 0.16584 0.09064 45.3% - 15s 0 0 0.09064 0 1610 0.16584 0.09064 45.3% - 16s 0 2 0.09064 0 1610 0.16584 0.09064 45.3% - 17s 39 41 0.09674 20 1452 0.16584 0.09171 44.7% 428 20s H 81 81 0.1629832 0.09171 43.7% 366 21s H 108 108 0.1595990 0.09171 42.5% 332 22s H 135 125 0.1566201 0.09174 41.4% 339 23s H 162 150 0.1526579 0.09174 39.9% 312 24s * 189 163 47 0.1525162 0.09174 39.9% 277 24s H 192 160 0.1522169 0.09174 39.7% 273 25s H 219 185 0.1520270 0.09179 39.6% 276 25s H 246 202 0.1494079 0.09179 38.6% 280 26s * 263 209 22 0.1490598 0.09179 38.4% 277 27s * 265 196 22 0.1489627 0.09179 38.4% 275 27s H 355 222 0.1482624 0.09218 37.8% 265 29s 368 224 infeasible 4 0.14826 0.09254 37.6% 272 30s H 374 226 0.1481708 0.09257 37.5% 277 30s H 382 228 0.1456418 0.09257 36.4% 272 30s 421 207 infeasible 19 0.14564 0.09570 34.3% 328 35s 471 165 infeasible 14 0.14564 0.10224 29.8% 388 40s H 543 121 0.1438798 0.11092 22.9% 378 42s Cutting planes: Gomory: 8 Explored 667 nodes (243576 simplex iterations) in 43.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.438797807616e-01, best bound 1.438797807616e-01, gap 0.0%