Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:13:28 2013 Optimize a model with 726 rows, 9953 columns and 389500 nonzeros Presolve removed 72 rows and 335 columns Presolve time: 1.78s Presolved: 654 rows, 9618 columns, 374819 nonzeros Variable types: 0 continuous, 9618 integer (9618 binary) Found heuristic solution: objective 6365.0000000 Root relaxation: objective 3.839000e+03, 2040 iterations, 0.37 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3839.0000000 3839.00000 0.0% - 2s Explored 0 nodes (2040 simplex iterations) in 2.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.839000000000e+03, best bound 3.839000000000e+03, gap 0.0%