Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:28:19 2014 Optimize a model with 10609 rows, 10507 columns and 41718 nonzeros Presolve time: 0.18s Presolved: 10609 rows, 10507 columns, 41718 nonzeros Variable types: 1 continuous, 10506 integer (10506 binary) Found heuristic solution: objective 1.0058898 Found heuristic solution: objective 0.9728987 Found heuristic solution: objective 0.6908208 Root relaxation: objective 1.220395e-01, 4433 iterations, 0.42 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.12204 0 901 0.69082 0.12204 82.3% - 0s H 0 0 0.5059773 0.12204 75.9% - 0s H 0 0 0.2114966 0.12204 42.3% - 1s 0 0 0.13871 0 584 0.21150 0.13871 34.4% - 1s 0 0 0.13871 0 652 0.21150 0.13871 34.4% - 2s 0 0 0.14365 0 515 0.21150 0.14365 32.1% - 2s H 0 0 0.2093839 0.14365 31.4% - 2s 0 0 0.14672 0 575 0.20938 0.14672 29.9% - 2s H 0 0 0.2093115 0.14672 29.9% - 2s 0 0 0.14708 0 582 0.20931 0.14708 29.7% - 2s 0 0 0.14802 0 668 0.20931 0.14802 29.3% - 2s 0 0 0.14818 0 666 0.20931 0.14818 29.2% - 2s 0 0 0.14821 0 677 0.20931 0.14821 29.2% - 2s 0 0 0.14931 0 504 0.20931 0.14931 28.7% - 2s 0 0 0.14987 0 541 0.20931 0.14987 28.4% - 2s 0 0 0.14993 0 596 0.20931 0.14993 28.4% - 2s 0 0 0.15025 0 544 0.20931 0.15025 28.2% - 2s 0 0 0.15033 0 545 0.20931 0.15033 28.2% - 2s H 0 0 0.2065503 0.15033 27.2% - 2s 0 0 0.19943 0 181 0.20655 0.19943 3.45% - 2s H 0 0 0.2015756 0.19943 1.07% - 2s 0 0 cutoff 0 0.20158 0.20158 0.00% - 2s Cutting planes: MIR: 19 Explored 0 nodes (22587 simplex iterations) in 2.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.015755527637e-01, best bound 2.015755527637e-01, gap 0.0%