Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:08 2014 Optimize a model with 1764 rows, 1723 columns and 6765 nonzeros Presolve time: 0.03s Presolved: 1764 rows, 1723 columns, 6765 nonzeros Variable types: 1 continuous, 1722 integer (1722 binary) Found heuristic solution: objective 1.1099009 Found heuristic solution: objective 0.9463581 Found heuristic solution: objective 0.8192660 Root relaxation: objective 1.737453e-01, 892 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.17375 0 223 0.81927 0.17375 78.8% - 0s H 0 0 0.5262675 0.17375 67.0% - 0s H 0 0 0.3416244 0.17375 49.1% - 0s 0 0 0.18417 0 223 0.34162 0.18417 46.1% - 0s 0 0 0.18417 0 220 0.34162 0.18417 46.1% - 0s 0 0 0.18693 0 237 0.34162 0.18693 45.3% - 0s H 0 0 0.3334715 0.18693 43.9% - 0s 0 0 0.19742 0 284 0.33347 0.19742 40.8% - 0s H 0 0 0.3162756 0.19742 37.6% - 0s 0 0 0.21030 0 214 0.31628 0.21030 33.5% - 0s H 0 0 0.3017451 0.21030 30.3% - 0s 0 0 0.23012 0 186 0.30175 0.23012 23.7% - 0s H 0 0 0.2993330 0.23012 23.1% - 0s H 0 0 0.2869730 0.23012 19.8% - 0s * 0 0 0 0.2705068 0.27051 0.00% - 0s Cutting planes: Gomory: 3 MIR: 2 Zero half: 3 Explored 0 nodes (5364 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.705067525418e-01, best bound 2.705067525418e-01, gap 0.0%