Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:17:53 2012 Optimize a model with 5277 rows, 3422 columns and 18964 nonzeros Presolve removed 292 rows and 2 columns Presolve time: 0.12s Presolved: 5043 rows, 3420 columns, 21460 nonzeros Variable types: 0 continuous, 3420 integer (3420 binary) Found heuristic solution: objective 58.0000000 Root relaxation: objective 3.000000e+00, 2907 iterations, 0.16 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% - 0s Explored 0 nodes (7306 simplex iterations) in 0.68 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%