Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:06:02 2014 Optimize a model with 8373 rows, 8372 columns and 24934 nonzeros Presolve time: 0.15s Presolved: 8373 rows, 8372 columns, 24934 nonzeros Variable types: 0 continuous, 8372 integer (8372 binary) Found heuristic solution: objective 13.7532972 Root relaxation: objective 8.772245e+00, 1016 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 8.7722450 8.77225 0.00% - 0s Explored 0 nodes (1016 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.772245014761e+00, best bound 8.772245014761e+00, gap 0.0%