Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:07:08 2012 Optimize a model with 1859 rows, 420 columns and 5898 nonzeros Presolve removed 962 rows and 2 columns Presolve time: 0.05s Presolved: 917 rows, 418 columns, 4708 nonzeros Variable types: 0 continuous, 418 integer (418 binary) Found heuristic solution: objective 20.0000000 Root relaxation: objective 5.000000e+00, 1517 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5.0000000 5.00000 0.0% - 0s Explored 0 nodes (3059 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%