Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:11 2013 Optimize a model with 48 rows, 182 columns and 742 nonzeros Presolve removed 22 rows and 78 columns Presolve time: 0.00s Presolved: 26 rows, 104 columns, 606 nonzeros Variable types: 94 continuous, 10 integer (10 binary) Root relaxation: objective 5.497312e+03, 12 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5497.31217 0 3 - 5497.31217 - - 0s 0 0 5499.87881 0 5 - 5499.87881 - - 0s 0 0 5500.03502 0 5 - 5500.03502 - - 0s * 0 0 0 5503.8666691 5503.86667 0.0% - 0s Cutting planes: Gomory: 1 Implied bound: 1 Flow cover: 2 Explored 0 nodes (36 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.503866669095e+03, best bound 5.503866669095e+03, gap 0.0%