Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:54:18 2014 Optimize a model with 13531 rows, 6807 columns and 33620 nonzeros Presolve removed 82 rows and 0 columns Presolve time: 0.14s Presolved: 13449 rows, 6807 columns, 33538 nonzeros Variable types: 1 continuous, 6806 integer (6806 binary) Found heuristic solution: objective 1.0650307 Found heuristic solution: objective 0.9765386 Found heuristic solution: objective 0.7936973 Root relaxation: objective 4.573003e-03, 8705 iterations, 0.89 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00457 0 5548 0.79370 0.00457 99.4% - 1s H 0 0 0.3786798 0.00457 98.8% - 2s 0 0 0.00892 0 2080 0.37868 0.00892 97.6% - 4s 0 0 0.01536 0 1900 0.37868 0.01536 95.9% - 5s 0 0 0.01541 0 1884 0.37868 0.01541 95.9% - 5s H 0 0 0.3680308 0.01541 95.8% - 5s 0 0 0.02340 0 1802 0.36803 0.02340 93.6% - 5s H 0 0 0.3675832 0.02340 93.6% - 5s H 0 0 0.3660623 0.02340 93.6% - 5s 0 0 0.02354 0 1783 0.36606 0.02354 93.6% - 5s 0 0 0.02355 0 1773 0.36606 0.02355 93.6% - 6s 0 0 0.02356 0 1782 0.36606 0.02356 93.6% - 6s 0 0 0.02356 0 1600 0.36606 0.02356 93.6% - 6s H 0 0 0.3598973 0.02356 93.5% - 9s H 0 0 0.3230652 0.02356 92.7% - 9s 0 2 0.02668 0 1233 0.32307 0.02668 91.7% - 9s 1 3 0.02701 1 1297 0.32307 0.02701 91.6% 3806 10s H 81 66 0.3004435 0.10642 64.6% 126 10s H 108 37 0.2460351 0.10642 56.7% 99.4 10s * 133 51 65 0.2429308 0.11729 51.7% 95.1 10s H 135 49 0.2425556 0.11729 51.6% 93.6 10s H 162 36 0.2228891 0.12529 43.8% 93.1 11s * 172 36 41 0.2225896 0.13873 37.7% 95.6 11s * 181 33 48 0.2164761 0.13873 35.9% 91.2 11s * 184 25 47 0.2066712 0.13873 32.9% 89.8 11s Cutting planes: Gomory: 12 Implied bound: 5 MIR: 686 Explored 210 nodes (62540 simplex iterations) in 11.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.066711683150e-01, best bound 2.066711683150e-01, gap 0.0%