Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:21:09 2014 Optimize a model with 9901 rows, 9900 columns and 29502 nonzeros Presolve time: 0.17s Presolved: 9901 rows, 9900 columns, 29502 nonzeros Variable types: 0 continuous, 9900 integer (9900 binary) Found heuristic solution: objective 14.9541917 Root relaxation: objective 1.051191e+01, 1361 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 10.5119146 10.51191 0.00% - 0s Explored 0 nodes (1361 simplex iterations) in 0.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.051191460417e+01, best bound 1.051191460417e+01, gap 0.0%