Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:42:07 2014 Optimize a model with 9317 rows, 4693 columns and 23120 nonzeros Presolve removed 68 rows and 0 columns Presolve time: 0.13s Presolved: 9249 rows, 4693 columns, 23052 nonzeros Variable types: 1 continuous, 4692 integer (4692 binary) Found heuristic solution: objective 0.7388533 Found heuristic solution: objective 0.7352541 Found heuristic solution: objective 0.7166753 Root relaxation: objective 6.347671e-03, 5494 iterations, 0.35 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00635 0 3432 0.71668 0.00635 99.1% - 0s H 0 0 0.4439652 0.00635 98.6% - 1s 0 0 0.01064 0 1746 0.44397 0.01064 97.6% - 2s 0 0 0.02103 0 1352 0.44397 0.02103 95.3% - 2s H 0 0 0.4344873 0.02103 95.2% - 2s H 0 0 0.4315394 0.02103 95.1% - 2s 0 0 0.02212 0 1273 0.43154 0.02212 94.9% - 2s H 0 0 0.4189249 0.02212 94.7% - 2s 0 0 0.03251 0 1195 0.41892 0.03251 92.2% - 2s H 0 0 0.4163038 0.03251 92.2% - 2s 0 0 0.03280 0 1171 0.41630 0.03280 92.1% - 3s 0 0 0.03280 0 1154 0.41630 0.03280 92.1% - 3s H 0 0 0.4017488 0.03280 91.8% - 3s 0 0 0.03383 0 1068 0.40175 0.03383 91.6% - 3s H 0 0 0.3982914 0.03383 91.5% - 3s 0 0 0.03412 0 1054 0.39829 0.03412 91.4% - 3s H 0 0 0.3977675 0.03412 91.4% - 3s H 0 0 0.3924800 0.03412 91.3% - 3s 0 0 0.03468 0 1027 0.39248 0.03468 91.2% - 3s H 0 0 0.3887297 0.03468 91.1% - 3s H 0 0 0.3836456 0.03468 91.0% - 3s 0 0 0.03537 0 971 0.38365 0.03537 90.8% - 3s H 0 0 0.3415046 0.03537 89.6% - 3s 0 0 0.03842 0 792 0.34150 0.03842 88.7% - 3s H 0 0 0.3406421 0.03842 88.7% - 3s 0 1 0.03842 0 759 0.34064 0.03842 88.7% - 7s H 1 1 0.3303856 0.03842 88.4% 1908 8s H 3 2 0.3287723 0.12684 61.4% 636 8s H 3 2 0.3281640 0.12684 61.3% 636 8s H 4 2 0.3060616 0.13083 57.3% 477 8s H 4 2 0.3018497 0.13083 56.7% 477 8s H 5 3 0.2932067 0.14132 51.8% 382 8s H 5 2 0.2843555 0.14132 50.3% 382 8s H 9 5 0.2615479 0.14404 44.9% 976 13s 21 15 0.17775 25 377 0.26155 0.17775 32.0% 718 15s * 34 21 31 0.2565333 0.20060 21.8% 502 15s * 37 20 33 0.2527248 0.20060 20.6% 461 15s * 39 17 33 0.2514156 0.20060 20.2% 438 15s * 48 13 31 0.2494037 0.21342 14.4% 366 15s * 58 0 31 0.2483638 0.24836 0.00% 314 15s Cutting planes: Gomory: 3 MIR: 7 Zero half: 2 Explored 59 nodes (46969 simplex iterations) in 15.38 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.483638197561e-01, best bound 2.483638197561e-01, gap 0.0%