Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:47:36 2014 Optimize a model with 5701 rows, 5700 columns and 16950 nonzeros Presolve time: 0.13s Presolved: 5701 rows, 5700 columns, 16950 nonzeros Variable types: 0 continuous, 5700 integer (5700 binary) Found heuristic solution: objective 10.6854118 Root relaxation: objective 8.645378e+00, 878 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 8.6453781 8.64538 0.00% - 0s Explored 0 nodes (878 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.645378105290e+00, best bound 8.645378105290e+00, gap 0.0%