Gurobi 5.6.3 (linux64) logging started Wed Oct 8 04:37:20 2014 Optimize a model with 51076 rows, 50851 columns and 202725 nonzeros Presolve time: 1.45s Presolved: 51076 rows, 50851 columns, 202725 nonzeros Variable types: 1 continuous, 50850 integer (50850 binary) Found heuristic solution: objective 0.9477120 Found heuristic solution: objective 0.9430662 Found heuristic solution: objective 0.7409769 Root relaxation: objective 8.110429e-02, 12172 iterations, 4.19 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08110 0 1967 0.74098 0.08110 89.1% - 7s H 0 0 0.1305152 0.08110 37.9% - 13s 0 0 0.08923 0 1314 0.13052 0.08923 31.6% - 19s 0 0 0.08923 0 1312 0.13052 0.08923 31.6% - 22s 0 0 0.08999 0 1336 0.13052 0.08999 31.0% - 22s 0 0 0.09457 0 1243 0.13052 0.09457 27.5% - 22s 0 0 0.09492 0 1227 0.13052 0.09492 27.3% - 22s 0 0 0.09522 0 1272 0.13052 0.09522 27.0% - 22s H 0 0 0.1296326 0.09522 26.5% - 22s 0 0 0.09718 0 1155 0.12963 0.09718 25.0% - 22s 0 0 0.09740 0 1236 0.12963 0.09740 24.9% - 22s H 0 0 0.1275240 0.09740 23.6% - 22s 0 0 0.10057 0 1043 0.12752 0.10057 21.1% - 23s 0 0 0.10145 0 1233 0.12752 0.10145 20.4% - 23s 0 0 0.10219 0 1186 0.12752 0.10219 19.9% - 23s 0 0 0.10256 0 1082 0.12752 0.10256 19.6% - 23s 0 0 0.10271 0 1211 0.12752 0.10271 19.5% - 23s 0 0 0.10275 0 1224 0.12752 0.10275 19.4% - 23s 0 0 0.10284 0 1242 0.12752 0.10284 19.4% - 23s 0 0 0.10284 0 1245 0.12752 0.10284 19.4% - 23s 0 0 0.10285 0 1071 0.12752 0.10285 19.4% - 24s H 0 0 0.1269101 0.10285 19.0% - 24s 0 0 0.10481 0 1047 0.12691 0.10481 17.4% - 24s H 0 0 0.1264708 0.10481 17.1% - 24s 0 0 0.10698 0 1063 0.12647 0.10698 15.4% - 24s 0 0 0.10711 0 1060 0.12647 0.10711 15.3% - 24s 0 0 0.10733 0 1025 0.12647 0.10733 15.1% - 24s 0 0 0.10742 0 1153 0.12647 0.10742 15.1% - 25s 0 0 0.10744 0 1115 0.12647 0.10744 15.0% - 25s 0 0 0.10760 0 1122 0.12647 0.10760 14.9% - 25s 0 0 0.10760 0 1122 0.12647 0.10760 14.9% - 25s 0 0 0.10767 0 937 0.12647 0.10767 14.9% - 25s 0 0 0.10767 0 1012 0.12647 0.10767 14.9% - 25s 0 0 0.10780 0 994 0.12647 0.10780 14.8% - 25s 0 0 0.10782 0 1060 0.12647 0.10782 14.7% - 25s 0 0 0.10782 0 1039 0.12647 0.10782 14.7% - 26s 0 0 0.10782 0 1056 0.12647 0.10782 14.7% - 26s 0 0 0.10782 0 1047 0.12647 0.10782 14.7% - 26s 0 2 0.10782 0 1047 0.12647 0.10782 14.7% - 27s 148 15 0.12274 9 577 0.12647 0.11228 11.2% 187 30s Cutting planes: MIR: 136 Zero half: 48 Explored 201 nodes (97880 simplex iterations) in 31.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.264707532653e-01, best bound 1.264707532653e-01, gap 0.0%