Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:16:53 2014 Optimize a model with 9507 rows, 9506 columns and 28324 nonzeros Presolve time: 0.16s Presolved: 9507 rows, 9506 columns, 28324 nonzeros Variable types: 0 continuous, 9506 integer (9506 binary) Found heuristic solution: objective 14.7935020 Root relaxation: objective 9.788704e+00, 1149 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 9.7887037 9.78870 0.00% - 0s Explored 0 nodes (1149 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.788703677629e+00, best bound 9.788703677629e+00, gap 0.0%