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 7.454861e+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 7454.86078 0 2 - 7454.86078 - - 0s 0 0 7455.05802 0 2 - 7455.05802 - - 0s 0 0 7455.16588 0 2 - 7455.16588 - - 0s 0 0 7455.21871 0 2 - 7455.21871 - - 0s 0 0 7455.27084 0 2 - 7455.27084 - - 0s 0 0 7455.32227 0 2 - 7455.32227 - - 0s 0 0 7455.37304 0 2 - 7455.37304 - - 0s 0 0 7455.42315 0 2 - 7455.42315 - - 0s 0 0 7455.47263 0 2 - 7455.47263 - - 0s 0 0 7455.52149 0 2 - 7455.52149 - - 0s 0 0 7455.56975 0 2 - 7455.56975 - - 0s 0 0 7455.61741 0 2 - 7455.61741 - - 0s 0 0 7455.66450 0 2 - 7455.66450 - - 0s 0 0 7455.71103 0 2 - 7455.71103 - - 0s 0 0 7455.75700 0 2 - 7455.75700 - - 0s 0 0 7455.80244 0 2 - 7455.80244 - - 0s 0 0 7455.84736 0 2 - 7455.84736 - - 0s 0 0 7455.89177 0 2 - 7455.89177 - - 0s 0 0 7455.93567 0 2 - 7455.93567 - - 0s H 0 0 7482.5751924 7455.93567 0.36% - 0s 0 2 7455.93567 0 2 7482.57519 7455.93567 0.36% - 0s * 14 1 8 7459.1534069 7459.15341 0.0% 4.4 0s Cutting planes: Gomory: 1 Cover: 2 Explored 15 nodes (131 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.459153406942e+03, best bound 7.459153406942e+03, gap 0.0%