Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:15:39 2013 Optimize a model with 987 rows, 324 columns and 3078 nonzeros Presolve removed 402 rows and 186 columns Presolve time: 0.00s Presolved: 585 rows, 138 columns, 1827 nonzeros Variable types: 5 continuous, 133 integer (133 binary) Found heuristic solution: objective 5821.0000000 Root relaxation: objective 5.007923e+03, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5007.92308 0 4 5821.00000 5007.92308 14.0% - 0s H 0 0 5025.0000000 5007.92308 0.34% - 0s H 0 0 5020.0000000 5007.92308 0.24% - 0s H 0 0 5011.0000000 5007.92308 0.06% - 0s 0 0 cutoff 0 5011.00000 5010.00501 0.02% - 0s Cutting planes: Gomory: 2 MIR: 1 Mod-K: 1 Explored 0 nodes (24 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.011000000000e+03, best bound 5.011000000000e+03, gap 0.0%