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 208 rows and 207 columns Presolve time: 0.00s Presolved: 20 rows, 37 columns, 99 nonzeros Variable types: 28 continuous, 9 integer (9 binary) Root relaxation: objective 5.784077e+03, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5784.07688 0 1 - 5784.07688 - - 0s H 0 0 5812.3255371 5784.07688 0.49% - 0s 0 0 5806.18669 0 3 5812.32554 5806.18669 0.11% - 0s 0 0 cutoff 0 5812.32554 5812.32554 0.0% - 0s Cutting planes: Flow cover: 4 Explored 0 nodes (18 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.812325537147e+03, best bound 5.812325537147e+03, gap 0.0%