Gurobi 5.6.3 (linux64) logging started Tue Oct 7 21:25:58 2014 Optimize a model with 10303 rows, 10302 columns and 30704 nonzeros Presolve time: 0.19s Presolved: 10303 rows, 10302 columns, 30704 nonzeros Variable types: 0 continuous, 10302 integer (10302 binary) Found heuristic solution: objective 14.2797577 Root relaxation: objective 9.808057e+00, 1205 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 9.8080566 9.80806 0.00% - 0s Explored 0 nodes (1205 simplex iterations) in 0.28 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.808056554113e+00, best bound 9.808056554113e+00, gap 0.0%