Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:39:00 2012 Optimize a model with 8280 rows, 5256 columns and 29808 nonzeros Presolve removed 868 rows and 288 columns Presolve time: 0.15s Presolved: 7412 rows, 4968 columns, 27360 nonzeros Variable types: 0 continuous, 4968 integer (4968 binary) Found heuristic solution: objective 44.0000000 Root relaxation: objective 3.000000e+00, 6729 iterations, 0.56 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 1s Explored 0 nodes (10262 simplex iterations) in 1.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%