Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:56:50 2014 Optimize a model with 14197 rows, 7141 columns and 35280 nonzeros Presolve removed 84 rows and 0 columns Presolve time: 0.14s Presolved: 14113 rows, 7141 columns, 35196 nonzeros Variable types: 1 continuous, 7140 integer (7140 binary) Found heuristic solution: objective 0.9320139 Found heuristic solution: objective 0.9223933 Found heuristic solution: objective 0.6956930 Root relaxation: objective 4.963948e-03, 7971 iterations, 0.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00496 0 5128 0.69569 0.00496 99.3% - 1s H 0 0 0.4817308 0.00496 99.0% - 2s 0 0 0.00708 0 3040 0.48173 0.00708 98.5% - 5s 0 0 0.01252 0 2840 0.48173 0.01252 97.4% - 6s H 0 0 0.4078349 0.01252 96.9% - 7s 0 0 0.01423 0 2264 0.40783 0.01423 96.5% - 7s H 0 0 0.4019282 0.01423 96.5% - 8s H 0 0 0.4000466 0.01423 96.4% - 8s 0 1 0.01423 0 2264 0.40005 0.01423 96.4% - 26s H 3 2 0.3516652 0.03014 91.4% 1112 30s H 3 2 0.3354630 0.03014 91.0% 1112 30s H 7 5 0.3323351 0.04578 86.2% 2576 40s H 12 8 0.3296045 0.11360 65.5% 1503 41s H 13 7 0.3154624 0.11494 63.6% 1387 42s H 13 7 0.3066327 0.11494 62.5% 1387 42s H 14 7 0.3061095 0.11819 61.4% 1288 42s H 21 12 0.3053608 0.12252 59.9% 859 44s H 21 11 0.2885455 0.12252 57.5% 859 44s H 21 10 0.2747063 0.12252 55.4% 859 44s H 22 9 0.2575865 0.12252 52.4% 1365 44s 23 12 0.12831 23 618 0.25759 0.12723 50.6% 1440 45s * 48 27 35 0.2573928 0.12999 49.5% 837 46s H 49 21 0.2534935 0.12999 48.7% 820 46s H 76 42 0.2492657 0.12999 47.9% 623 47s * 81 43 52 0.2487987 0.12999 47.8% 590 47s * 85 41 54 0.2418559 0.12999 46.3% 564 47s * 86 40 54 0.2413451 0.12999 46.1% 558 47s H 103 51 0.2351228 0.13004 44.7% 502 47s * 107 47 37 0.2319595 0.13004 43.9% 490 47s * 111 43 39 0.2206236 0.13004 41.1% 475 47s * 115 40 31 0.2146686 0.13385 37.6% 467 47s Cutting planes: Gomory: 12 MIR: 51 Zero half: 1 Explored 156 nodes (101911 simplex iterations) in 48.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.146686000528e-01, best bound 2.146686000528e-01, gap 0.0%