Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:41:05 2014 Optimize a model with 34969 rows, 34783 columns and 138570 nonzeros Presolve time: 1.06s Presolved: 34969 rows, 34783 columns, 138570 nonzeros Variable types: 1 continuous, 34782 integer (34782 binary) Found heuristic solution: objective 1.0823968 Found heuristic solution: objective 1.0721177 Found heuristic solution: objective 0.9102987 Root relaxation: objective 9.177342e-02, 9719 iterations, 2.75 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.09177 0 1726 0.91030 0.09177 89.9% - 4s H 0 0 0.1529751 0.09177 40.0% - 7s 0 0 0.09747 0 1343 0.15298 0.09747 36.3% - 10s 0 0 0.09747 0 1300 0.15298 0.09747 36.3% - 11s 0 0 0.09767 0 1375 0.15298 0.09767 36.2% - 11s 0 0 0.09778 0 1382 0.15298 0.09778 36.1% - 11s H 0 0 0.1476252 0.09778 33.8% - 11s 0 0 0.10168 0 1238 0.14763 0.10168 31.1% - 11s 0 0 0.10183 0 1241 0.14763 0.10183 31.0% - 11s 0 0 0.10193 0 1230 0.14763 0.10193 31.0% - 11s 0 0 0.10246 0 1250 0.14763 0.10246 30.6% - 12s 0 0 0.10269 0 1255 0.14763 0.10269 30.4% - 12s 0 0 0.10282 0 1266 0.14763 0.10282 30.4% - 12s 0 0 0.10289 0 1246 0.14763 0.10289 30.3% - 12s 0 0 0.10289 0 1243 0.14763 0.10289 30.3% - 12s 0 0 0.10289 0 1174 0.14763 0.10289 30.3% - 12s H 0 0 0.1465327 0.10289 29.8% - 12s H 0 0 0.1461499 0.10289 29.6% - 12s H 0 0 0.1449887 0.10289 29.0% - 13s 0 2 0.10530 0 1090 0.14499 0.10530 27.4% - 13s H 27 23 0.1442924 0.11461 20.6% 311 13s * 41 19 5 0.1441974 0.11537 20.0% 272 13s * 87 1 14 0.1441612 0.14416 0.00% 195 14s Cutting planes: Gomory: 1 MIR: 34 Zero half: 8 Explored 88 nodes (45525 simplex iterations) in 14.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.441611656737e-01, best bound 1.441611656737e-01, gap 0.0%