Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:14:27 2012 Optimize a model with 2939 rows, 2450 columns and 11023 nonzeros Presolve removed 149 rows and 2 columns Presolve time: 0.11s Presolved: 2839 rows, 2448 columns, 12967 nonzeros Variable types: 0 continuous, 2448 integer (2448 binary) Found heuristic solution: objective 49.0000000 Root relaxation: objective 3.000000e+00, 2074 iterations, 0.06 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 (6022 simplex iterations) in 0.41 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%