Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:19 2013 Optimize a model with 228 rows, 244 columns and 882 nonzeros Presolve removed 212 rows and 215 columns Presolve time: 0.00s Presolved: 16 rows, 29 columns, 76 nonzeros Variable types: 23 continuous, 6 integer (6 binary) Root relaxation: objective 5.281733e+03, 8 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5281.73269 0 1 - 5281.73269 - - 0s H 0 0 5296.3077927 5281.73269 0.28% - 0s 0 0 cutoff 0 5296.30779 5296.30779 0.0% - 0s Cutting planes: Implied bound: 1 Flow cover: 2 Explored 0 nodes (10 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.296307792671e+03, best bound 5.296307792671e+03, gap 0.0%