Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:23:28 2014 Optimize a model with 10201 rows, 10101 columns and 40100 nonzeros Presolve time: 0.18s Presolved: 10201 rows, 10101 columns, 40100 nonzeros Variable types: 1 continuous, 10100 integer (10100 binary) Found heuristic solution: objective 1.1858878 Found heuristic solution: objective 0.9609401 Found heuristic solution: objective 0.8238836 Root relaxation: objective 1.289581e-01, 5140 iterations, 0.74 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.12896 0 920 0.82388 0.12896 84.3% - 1s H 0 0 0.6503059 0.12896 80.2% - 1s H 0 0 0.2238241 0.12896 42.4% - 1s 0 0 0.14301 0 554 0.22382 0.14301 36.1% - 2s 0 0 0.14301 0 570 0.22382 0.14301 36.1% - 2s 0 0 0.15111 0 460 0.22382 0.15111 32.5% - 2s H 0 0 0.2144922 0.15111 29.5% - 2s 0 0 0.16366 0 467 0.21449 0.16366 23.7% - 2s H 0 0 0.2125943 0.16366 23.0% - 2s 0 0 0.16797 0 468 0.21259 0.16797 21.0% - 2s H 0 0 0.2084610 0.16797 19.4% - 2s 0 0 0.19044 0 242 0.20846 0.19044 8.64% - 2s H 0 0 0.2080886 0.19044 8.48% - 2s 0 0 cutoff 0 0.20809 0.20809 0.00% - 2s Cutting planes: Implied bound: 2 Clique: 6 MIR: 37 Zero half: 11 Explored 0 nodes (17490 simplex iterations) in 2.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.080886378684e-01, best bound 2.080886378684e-01, gap 0.0%