Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:42 2012 Optimize a model with 2639 rows, 2352 columns and 10030 nonzeros Presolve removed 202 rows and 386 columns Presolve time: 0.11s Presolved: 2437 rows, 1966 columns, 9064 nonzeros Variable types: 0 continuous, 1966 integer (1966 binary) Found heuristic solution: objective 48.0000000 Root relaxation: objective 3.000000e+00, 1506 iterations, 0.04 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 (2864 simplex iterations) in 0.25 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%