Gurobi 5.6.3 (linux64) logging started Wed Oct 8 01:52:07 2014 Optimize a model with 36100 rows, 35911 columns and 143073 nonzeros Presolve time: 0.99s Presolved: 36100 rows, 35911 columns, 143073 nonzeros Variable types: 1 continuous, 35910 integer (35910 binary) Found heuristic solution: objective 0.9919993 Found heuristic solution: objective 0.9851262 Found heuristic solution: objective 0.9780962 Root relaxation: objective 8.868076e-02, 9346 iterations, 3.56 seconds Total elapsed time = 5.10s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.08868 0 1722 0.97810 0.08868 90.9% - 5s H 0 0 0.1513519 0.08868 41.4% - 9s 0 0 0.09306 0 1276 0.15135 0.09306 38.5% - 13s H 0 0 0.1480949 0.09306 37.2% - 15s 0 0 0.09516 0 1201 0.14809 0.09516 35.7% - 15s 0 0 0.09650 0 1267 0.14809 0.09650 34.8% - 16s 0 0 0.09734 0 1213 0.14809 0.09734 34.3% - 16s 0 0 0.09766 0 1232 0.14809 0.09766 34.1% - 16s 0 0 0.09767 0 1222 0.14809 0.09767 34.0% - 16s 0 0 0.09767 0 1144 0.14809 0.09767 34.0% - 16s H 0 0 0.1448324 0.09767 32.6% - 17s 0 2 0.09926 0 1162 0.14483 0.09926 31.5% - 17s * 43 31 27 0.1443803 0.09997 30.8% 204 18s H 81 49 0.1430463 0.10216 28.6% 192 18s * 86 54 12 0.1427321 0.10216 28.4% 190 18s * 128 44 4 0.1424919 0.11027 22.6% 192 19s * 129 43 4 0.1422155 0.11027 22.5% 191 19s * 130 37 3 0.1419703 0.11027 22.3% 190 19s H 140 27 0.1404885 0.11695 16.8% 187 19s * 142 27 5 0.1402075 0.11705 16.5% 188 19s Cutting planes: Gomory: 3 MIR: 59 Explored 170 nodes (58376 simplex iterations) in 19.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.402075031901e-01, best bound 1.402075031901e-01, gap 0.0%