Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:44:44 2014 Optimize a model with 5329 rows, 5257 columns and 20808 nonzeros Presolve time: 0.13s Presolved: 5329 rows, 5257 columns, 20808 nonzeros Variable types: 1 continuous, 5256 integer (5256 binary) Found heuristic solution: objective 0.8867292 Found heuristic solution: objective 0.8830413 Found heuristic solution: objective 0.7220347 Root relaxation: objective 1.412989e-01, 2424 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.14130 0 644 0.72203 0.14130 80.4% - 0s H 0 0 0.3939128 0.14130 64.1% - 0s H 0 0 0.3035363 0.14130 53.4% - 0s 0 0 0.14483 0 555 0.30354 0.14483 52.3% - 0s 0 0 0.14483 0 630 0.30354 0.14483 52.3% - 0s 0 0 0.14626 0 525 0.30354 0.14626 51.8% - 0s 0 0 0.14656 0 560 0.30354 0.14656 51.7% - 1s 0 0 0.14823 0 532 0.30354 0.14823 51.2% - 1s 0 0 0.14831 0 534 0.30354 0.14831 51.1% - 1s 0 0 0.14831 0 505 0.30354 0.14831 51.1% - 1s H 0 0 0.2833971 0.14831 47.7% - 1s H 0 0 0.2742172 0.14831 45.9% - 1s H 0 0 0.2613540 0.14831 43.3% - 1s 0 2 0.15035 0 449 0.26135 0.15035 42.5% - 1s * 26 17 19 0.2450258 0.15239 37.8% 139 1s H 28 12 0.2380137 0.15239 36.0% 129 1s * 41 13 11 0.2290273 0.16159 29.4% 117 1s Cutting planes: Gomory: 7 MIR: 5 Zero half: 1 Explored 54 nodes (14488 simplex iterations) in 1.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.290273362419e-01, best bound 2.290273362419e-01, gap 0.0%