Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:45 2013 Optimize a model with 432 rows, 846 columns and 2890 nonzeros Presolve removed 80 rows and 139 columns Presolve time: 0.03s Presolved: 352 rows, 707 columns, 2099 nonzeros Variable types: 365 continuous, 342 integer (342 binary) Root relaxation: objective 5.739678e+03, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5739.67776 0 2 - 5739.67776 - - 0s 0 0 5739.99080 0 3 - 5739.99080 - - 0s 0 0 5744.63914 0 3 - 5744.63914 - - 0s 0 0 5745.64658 0 3 - 5745.64658 - - 0s 0 0 5746.19903 0 3 - 5746.19903 - - 0s 0 0 5746.44732 0 3 - 5746.44732 - - 0s 0 0 5746.56611 0 3 - 5746.56611 - - 0s 0 0 5746.68161 0 3 - 5746.68161 - - 0s 0 0 5746.79401 0 3 - 5746.79401 - - 0s 0 0 5746.90348 0 3 - 5746.90348 - - 0s 0 0 5747.01018 0 3 - 5747.01018 - - 0s 0 0 5747.11425 0 3 - 5747.11425 - - 0s 0 0 5747.21583 0 3 - 5747.21583 - - 0s 0 0 5747.31503 0 3 - 5747.31503 - - 0s 0 0 5747.41198 0 3 - 5747.41198 - - 0s H 0 0 5776.4608032 5747.41198 0.50% - 0s 0 2 5747.41198 0 3 5776.46080 5747.41198 0.50% - 0s * 60 1 53 5753.9375648 5753.93756 0.0% 7.4 0s Cutting planes: Gomory: 1 Cover: 4 Flow cover: 1 Explored 61 nodes (532 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.753937564786e+03, best bound 5.753937564786e+03, gap 0.0%