Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:45:37 2014 Optimize a model with 10732 rows, 5403 columns and 26645 nonzeros Presolve removed 73 rows and 0 columns Presolve time: 0.12s Presolved: 10659 rows, 5403 columns, 26572 nonzeros Variable types: 1 continuous, 5402 integer (5402 binary) Found heuristic solution: objective 1.1400835 Found heuristic solution: objective 0.9934352 Found heuristic solution: objective 0.9846525 Root relaxation: objective 4.810889e-03, 7184 iterations, 0.44 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00481 0 5183 0.98465 0.00481 100% - 0s H 0 0 0.5984914 0.00481 99.2% - 1s H 0 0 0.5718572 0.00481 99.2% - 1s 0 0 0.00741 0 2805 0.57186 0.00741 98.7% - 8s 0 0 0.01283 0 2671 0.57186 0.01283 97.8% - 10s H 0 0 0.5405000 0.01283 97.6% - 10s 0 0 0.01465 0 2401 0.54050 0.01465 97.3% - 11s H 0 0 0.4680316 0.01465 96.9% - 11s 0 0 0.02172 0 1831 0.46803 0.02172 95.4% - 13s H 0 0 0.4669965 0.02172 95.3% - 14s 0 1 0.02172 0 1741 0.46700 0.02172 95.3% - 42s H 1 1 0.3931885 0.02172 94.5% 2693 46s H 3 2 0.3857851 0.04119 89.3% 898 47s H 5 3 0.3819055 0.04818 87.4% 539 47s H 7 4 0.3315765 0.05556 83.2% 385 48s H 11 7 0.2905953 0.07428 74.4% 1544 57s H 13 8 0.2761221 0.14804 46.4% 1306 58s H 13 8 0.2664083 0.14804 44.4% 1306 58s H 17 9 0.2657106 0.16243 38.9% 999 59s 20 11 0.16311 0 506 0.26571 0.16311 38.6% 849 60s H 23 12 0.2620379 0.16315 37.7% 738 60s H 24 12 0.2515650 0.16315 35.1% 972 60s * 49 26 33 0.2487612 0.17729 28.7% 579 61s H 51 15 0.2390081 0.17729 25.8% 558 61s * 59 15 38 0.2275586 0.17729 22.1% 489 61s * 61 7 38 0.2258648 0.17729 21.5% 473 61s * 64 4 28 0.2243596 0.17729 21.0% 453 61s Cutting planes: Gomory: 4 MIR: 19 Zero half: 3 Explored 69 nodes (73092 simplex iterations) in 61.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.243595983443e-01, best bound 2.243595983443e-01, gap 0.0%