Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:47:43 2014 Optimize a model with 5776 rows, 5701 columns and 22575 nonzeros Presolve time: 0.14s Presolved: 5776 rows, 5701 columns, 22575 nonzeros Variable types: 1 continuous, 5700 integer (5700 binary) Found heuristic solution: objective 0.8575167 Found heuristic solution: objective 0.8496637 Found heuristic solution: objective 0.8339207 Root relaxation: objective 1.464685e-01, 2653 iterations, 0.20 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.14647 0 696 0.83392 0.14647 82.4% - 0s H 0 0 0.4734145 0.14647 69.1% - 0s H 0 0 0.3529829 0.14647 58.5% - 0s 0 0 0.14814 0 675 0.35298 0.14814 58.0% - 0s 0 0 0.14814 0 684 0.35298 0.14814 58.0% - 1s H 0 0 0.3484300 0.14814 57.5% - 1s 0 0 0.15022 0 633 0.34843 0.15022 56.9% - 1s H 0 0 0.3476939 0.15022 56.8% - 1s 0 0 0.15028 0 656 0.34769 0.15028 56.8% - 1s H 0 0 0.3320106 0.15028 54.7% - 1s 0 0 0.15040 0 686 0.33201 0.15040 54.7% - 1s H 0 0 0.3188749 0.15040 52.8% - 1s 0 0 0.15043 0 705 0.31887 0.15043 52.8% - 1s 0 0 0.15043 0 669 0.31887 0.15043 52.8% - 1s H 0 0 0.3068363 0.15043 51.0% - 1s H 0 0 0.2984090 0.15043 49.6% - 1s H 0 0 0.2752726 0.15043 45.4% - 1s 0 2 0.15138 0 550 0.27527 0.15138 45.0% - 1s * 66 62 47 0.2660282 0.15958 40.0% 116 2s * 77 65 9 0.2554551 0.16051 37.2% 123 2s * 79 62 10 0.2428570 0.16051 33.9% 121 2s * 81 62 11 0.2410162 0.16051 33.4% 118 2s H 82 61 0.2340320 0.16051 31.4% 117 2s Cutting planes: Gomory: 3 MIR: 3 Mod-K: 1 Explored 144 nodes (24751 simplex iterations) in 2.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.340319619311e-01, best bound 2.340319619311e-01, gap 0.0%