Gurobi 5.6.3 (linux64) logging started Wed Oct 8 03:25:08 2014 Optimize a model with 44944 rows, 44733 columns and 178295 nonzeros Presolve time: 1.21s Presolved: 44944 rows, 44733 columns, 178295 nonzeros Variable types: 1 continuous, 44732 integer (44732 binary) Found heuristic solution: objective 1.1432756 Found heuristic solution: objective 1.0564732 Found heuristic solution: objective 0.9944081 Root relaxation: objective 8.355782e-02, 10392 iterations, 4.35 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08356 0 1872 0.99441 0.08356 91.6% - 6s H 0 0 0.1410331 0.08356 40.8% - 10s 0 0 0.08664 0 1518 0.14103 0.08664 38.6% - 14s 0 0 0.08664 0 1513 0.14103 0.08664 38.6% - 15s H 0 0 0.1403627 0.08664 38.3% - 15s 0 0 0.08674 0 1574 0.14036 0.08674 38.2% - 15s 0 0 0.08740 0 1592 0.14036 0.08740 37.7% - 15s 0 0 0.08746 0 1577 0.14036 0.08746 37.7% - 15s 0 0 0.08749 0 1618 0.14036 0.08749 37.7% - 16s 0 0 0.08749 0 1621 0.14036 0.08749 37.7% - 16s 0 0 0.08749 0 1552 0.14036 0.08749 37.7% - 16s 0 2 0.08749 0 1551 0.14036 0.08749 37.7% - 17s H 54 54 0.1396140 0.08815 36.9% 305 18s H 108 98 0.1381281 0.08815 36.2% 275 20s * 115 105 25 0.1372948 0.08815 35.8% 274 20s H 163 131 0.1371837 0.08839 35.6% 253 21s H 190 150 0.1365974 0.08839 35.3% 255 21s * 215 165 26 0.1365859 0.08839 35.3% 241 21s * 217 163 27 0.1348598 0.08839 34.5% 239 21s * 267 186 9 0.1343606 0.08992 33.1% 232 22s * 289 192 16 0.1342196 0.08997 33.0% 224 23s * 295 190 15 0.1328931 0.08997 32.3% 220 23s * 302 186 5 0.1328146 0.09040 31.9% 223 23s * 315 185 13 0.1323934 0.09149 30.9% 236 24s * 319 182 16 0.1307472 0.09149 30.0% 234 24s * 320 181 16 0.1303729 0.09149 29.8% 233 24s 339 162 infeasible 9 0.13037 0.09525 26.9% 253 25s Cutting planes: Gomory: 5 MIR: 2 Zero half: 6 Mod-K: 1 Explored 502 nodes (136835 simplex iterations) in 26.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.303728630411e-01, best bound 1.303728630411e-01, gap 0.0%