Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:48:51 2014 Optimize a model with 11629 rows, 5853 columns and 28880 nonzeros Presolve removed 76 rows and 0 columns Presolve time: 0.13s Presolved: 11553 rows, 5853 columns, 28804 nonzeros Variable types: 1 continuous, 5852 integer (5852 binary) Found heuristic solution: objective 0.9781151 Found heuristic solution: objective 0.9529524 Found heuristic solution: objective 0.8331002 Root relaxation: objective 5.042063e-03, 7424 iterations, 0.84 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00504 0 4909 0.83310 0.00504 99.4% - 1s H 0 0 0.4165779 0.00504 98.8% - 2s 0 0 0.00983 0 1957 0.41658 0.00983 97.6% - 3s 0 0 0.01844 0 1622 0.41658 0.01844 95.6% - 4s H 0 0 0.4070914 0.01844 95.5% - 4s H 0 0 0.4061656 0.01844 95.5% - 4s 0 0 0.01902 0 1515 0.40617 0.01902 95.3% - 4s H 0 0 0.3582658 0.01902 94.7% - 4s 0 0 0.03132 0 1072 0.35827 0.03132 91.3% - 4s H 0 0 0.3480990 0.03132 91.0% - 5s H 0 0 0.3456499 0.03132 90.9% - 5s 0 1 0.03132 0 1055 0.34565 0.03132 90.9% - 9s 2 2 0.03132 0 1957 0.34565 0.03132 90.9% 898 11s H 3 2 0.3389416 0.06220 81.6% 599 11s H 4 2 0.3363409 0.06284 81.3% 449 11s H 4 2 0.3298054 0.06284 80.9% 449 11s H 8 5 0.3146224 0.06665 78.8% 224 12s 21 16 0.13027 11 358 0.31462 0.08408 73.3% 869 15s * 57 36 29 0.3112161 0.10508 66.2% 725 17s H 71 48 0.2993951 0.10508 64.9% 673 18s H 98 67 0.2844924 0.10508 63.1% 596 18s * 110 63 56 0.2740992 0.10508 61.7% 534 19s H 125 64 0.2690015 0.12418 53.8% 496 19s * 132 65 41 0.2663790 0.12421 53.4% 484 19s H 152 79 0.2575600 0.13230 48.6% 439 19s * 162 75 39 0.2477465 0.13230 46.6% 418 19s * 176 68 19 0.2453452 0.13439 45.2% 395 19s H 182 52 0.2374918 0.13642 42.6% 382 19s * 187 49 21 0.2370238 0.13707 42.2% 376 20s * 192 50 25 0.2285959 0.14013 38.7% 370 20s * 195 48 26 0.2275731 0.14013 38.4% 364 20s Cutting planes: Gomory: 26 MIR: 2 Zero half: 2 Explored 244 nodes (108584 simplex iterations) in 20.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.275731357042e-01, best bound 2.275731357042e-01, gap 0.0%