Gurobi 5.6.3 (linux64) logging started Wed Oct 8 06:03:05 2014 Optimize a model with 57121 rows, 56883 columns and 226814 nonzeros Presolve time: 1.75s Presolved: 57121 rows, 56883 columns, 226814 nonzeros Variable types: 1 continuous, 56882 integer (56882 binary) Found heuristic solution: objective 1.0116083 Found heuristic solution: objective 1.0082780 Found heuristic solution: objective 0.8986376 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 12837 8.0389519e-02 1.881738e+02 0.000000e+00 5s 12982 8.0230431e-02 0.000000e+00 0.000000e+00 5s Root relaxation: objective 8.023043e-02, 12982 iterations, 5.44 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08023 0 2314 0.89864 0.08023 91.1% - 8s H 0 0 0.1347018 0.08023 40.4% - 16s 0 0 0.08411 0 1789 0.13470 0.08411 37.6% - 22s 0 0 0.08411 0 1800 0.13470 0.08411 37.6% - 24s 0 0 0.08438 0 1823 0.13470 0.08438 37.4% - 24s 0 0 0.08476 0 1864 0.13470 0.08476 37.1% - 24s 0 0 0.08537 0 1806 0.13470 0.08537 36.6% - 25s 0 0 0.08574 0 1754 0.13470 0.08574 36.3% - 25s 0 0 0.08577 0 1803 0.13470 0.08577 36.3% - 25s 0 0 0.08577 0 1806 0.13470 0.08577 36.3% - 25s 0 0 0.08577 0 1726 0.13470 0.08577 36.3% - 26s 0 2 0.08577 0 1726 0.13470 0.08577 36.3% - 26s * 74 70 39 0.1336174 0.08623 35.5% 320 29s H 81 67 0.1333243 0.08623 35.3% 321 29s 90 78 0.10565 12 999 0.13332 0.08623 35.3% 324 30s * 115 101 27 0.1331881 0.08623 35.3% 296 30s * 118 101 28 0.1323286 0.08623 34.8% 288 30s * 119 95 28 0.1310668 0.08623 34.2% 286 30s H 162 119 0.1304669 0.08669 33.6% 295 31s * 229 134 9 0.1302276 0.08802 32.4% 281 33s H 245 128 0.1300829 0.08840 32.0% 291 34s 266 133 0.10759 5 1009 0.13008 0.08850 32.0% 297 35s 389 102 0.11580 15 772 0.13008 0.09650 25.8% 333 40s Cutting planes: Gomory: 4 MIR: 15 Zero half: 2 Mod-K: 1 Explored 553 nodes (189876 simplex iterations) in 42.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300829259826e-01, best bound 1.300829259826e-01, gap 0.0%