Gurobi 5.6.3 (linux64) logging started Wed Oct 8 00:51:54 2014 Optimize a model with 29757 rows, 29756 columns and 88924 nonzeros Presolve time: 0.69s Presolved: 29757 rows, 29756 columns, 88924 nonzeros Variable types: 0 continuous, 29756 integer (29756 binary) Found heuristic solution: objective 17.6116052 Root relaxation: objective 1.299654e+01, 2244 iterations, 0.25 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 12.9965417 12.99654 0.00% - 1s Explored 0 nodes (2244 simplex iterations) in 1.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.299654173771e+01, best bound 1.299654173771e+01, gap 0.0%