Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:11:57 2013 Optimize a model with 575 rows, 225 columns and 1800 nonzeros Presolve removed 188 rows and 121 columns Presolve time: 0.00s Presolved: 387 rows, 104 columns, 1221 nonzeros Variable types: 5 continuous, 99 integer (99 binary) Found heuristic solution: objective 6208.0000000 Found heuristic solution: objective 5710.0000000 Root relaxation: objective 4.887191e+03, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 4887.19149 0 5 5710.00000 4887.19149 14.4% - 0s 0 0 4891.01001 0 10 5710.00000 4891.01001 14.3% - 0s H 0 0 4902.0000000 4891.01001 0.22% - 0s 0 0 4894.59992 0 14 4902.00000 4894.59992 0.15% - 0s 0 0 4894.59992 0 5 4902.00000 4894.59992 0.15% - 0s H 0 0 4899.0000000 4894.59992 0.09% - 0s 0 0 4896.38211 0 5 4899.00000 4896.38211 0.05% - 0s 0 0 4899.00000 0 5 4899.00000 4899.00000 0.0% - 0s Cutting planes: MIR: 5 Explored 1 nodes (81 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.899000000000e+03, best bound 4.899000000000e+03, gap 0.0%