Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:35:02 2014 Optimize a model with 11236 rows, 11131 columns and 44205 nonzeros Presolve time: 0.19s Presolved: 11236 rows, 11131 columns, 44205 nonzeros Variable types: 1 continuous, 11130 integer (11130 binary) Found heuristic solution: objective 0.9629126 Found heuristic solution: objective 0.9433198 Found heuristic solution: objective 0.9238209 Root relaxation: objective 1.197743e-01, 4282 iterations, 0.74 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.11977 0 900 0.92382 0.11977 87.0% - 1s H 0 0 0.7971780 0.11977 85.0% - 1s H 0 0 0.7055346 0.11977 83.0% - 1s H 0 0 0.2166716 0.11977 44.7% - 1s 0 0 0.12642 0 733 0.21667 0.12642 41.7% - 2s 0 0 0.12642 0 699 0.21667 0.12642 41.7% - 2s 0 0 0.12715 0 764 0.21667 0.12715 41.3% - 3s 0 0 0.12761 0 795 0.21667 0.12761 41.1% - 3s H 0 0 0.2159813 0.12761 40.9% - 3s 0 0 0.12911 0 734 0.21598 0.12911 40.2% - 3s 0 0 0.12996 0 729 0.21598 0.12996 39.8% - 3s 0 0 0.13017 0 813 0.21598 0.13017 39.7% - 3s 0 0 0.13032 0 836 0.21598 0.13032 39.7% - 3s 0 0 0.13035 0 802 0.21598 0.13035 39.6% - 3s 0 0 0.13038 0 840 0.21598 0.13038 39.6% - 3s 0 0 0.13038 0 784 0.21598 0.13038 39.6% - 3s H 0 0 0.2068707 0.13038 37.0% - 3s 0 2 0.13267 0 650 0.20687 0.13267 35.9% - 4s * 26 24 17 0.2061112 0.13392 35.0% 252 4s H 27 23 0.2035312 0.13392 34.2% 242 4s * 31 27 20 0.2005564 0.13392 33.2% 226 4s * 32 26 21 0.1993677 0.13392 32.8% 219 4s * 50 34 12 0.1986934 0.13544 31.8% 194 4s * 53 35 15 0.1860998 0.13544 27.2% 184 4s * 54 32 15 0.1848286 0.13544 26.7% 181 4s * 56 30 13 0.1844920 0.13544 26.6% 175 4s * 59 25 5 0.1832877 0.13847 24.5% 174 4s Cutting planes: Gomory: 4 MIR: 22 Zero half: 2 Explored 85 nodes (27294 simplex iterations) in 4.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.832876955036e-01, best bound 1.832876955036e-01, gap 0.0%