Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:32:59 2014 Optimize a model with 5887 rows, 2971 columns and 14580 nonzeros Presolve removed 54 rows and 0 columns Presolve time: 0.12s Presolved: 5833 rows, 2971 columns, 14526 nonzeros Variable types: 1 continuous, 2970 integer (2970 binary) Found heuristic solution: objective 0.8774495 Found heuristic solution: objective 0.8344054 Found heuristic solution: objective 0.6811937 Root relaxation: objective 7.959594e-03, 3504 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00796 0 2158 0.68119 0.00796 98.8% - 0s H 0 0 0.6174344 0.00796 98.7% - 0s 0 0 0.01124 0 1706 0.61743 0.01124 98.2% - 3s 0 0 0.02032 0 1579 0.61743 0.02032 96.7% - 5s H 0 0 0.6106127 0.02032 96.7% - 5s 0 0 0.02575 0 1344 0.61061 0.02575 95.8% - 6s H 0 0 0.4308708 0.02575 94.0% - 6s 0 0 0.04932 0 620 0.43087 0.04932 88.6% - 6s H 0 0 0.4260924 0.04932 88.4% - 7s 0 1 0.04932 0 620 0.42609 0.04932 88.4% - 10s H 1 1 0.3104341 0.04932 84.1% 1283 11s H 3 2 0.2863244 0.16727 41.6% 428 11s H 4 2 0.2627064 0.17401 33.8% 321 11s H 8 6 0.2485590 0.21403 13.9% 688 13s H 10 7 0.2342786 0.21403 8.64% 551 14s H 10 7 0.2299557 0.21403 6.92% 551 14s Cutting planes: MIR: 5 Zero half: 1 Explored 11 nodes (33512 simplex iterations) in 14.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.299556567652e-01, best bound 2.299556567652e-01, gap 0.0%