Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:19:18 2014 Optimize a model with 9703 rows, 9702 columns and 28910 nonzeros Presolve time: 0.16s Presolved: 9703 rows, 9702 columns, 28910 nonzeros Variable types: 0 continuous, 9702 integer (9702 binary) Found heuristic solution: objective 16.3894674 Root relaxation: objective 9.713615e+00, 1174 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 9.7136151 9.71362 0.00% - 0s Explored 0 nodes (1174 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.713615141140e+00, best bound 9.713615141140e+00, gap 0.0%