Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:25 2013 Optimize a model with 240 rows, 1280 columns and 3590 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 230 rows, 1270 columns, 3380 nonzeros Variable types: 1220 continuous, 50 integer (50 binary) Root relaxation: objective 2.337984e+04, 167 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23379.8401 0 3 - 23379.8401 - - 0s 0 0 23385.5569 0 4 - 23385.5569 - - 0s 0 0 23385.5569 0 4 - 23385.5569 - - 0s H 0 0 23527.197639 23385.5569 0.60% - 0s 0 1 23503.0606 0 6 23527.1976 23503.0606 0.10% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 8 nodes (382 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.352719763919e+04, best bound 2.352719763919e+04, gap 0.0%