Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:46 2013 Optimize a model with 432 rows, 846 columns and 2890 nonzeros Presolve removed 80 rows and 143 columns Presolve time: 0.03s Presolved: 352 rows, 703 columns, 2091 nonzeros Variable types: 361 continuous, 342 integer (342 binary) Root relaxation: objective 5.283371e+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 5283.37081 0 2 - 5283.37081 - - 0s 0 0 5283.86073 0 3 - 5283.86073 - - 0s 0 0 5287.46317 0 3 - 5287.46317 - - 0s 0 0 5288.78961 0 3 - 5288.78961 - - 0s 0 0 5289.30223 0 3 - 5289.30223 - - 0s 0 0 5289.53297 0 3 - 5289.53297 - - 0s 0 0 5289.64245 0 3 - 5289.64245 - - 0s 0 0 5289.74880 0 3 - 5289.74880 - - 0s 0 0 5289.85220 0 3 - 5289.85220 - - 0s 0 0 5289.95284 0 3 - 5289.95284 - - 0s 0 0 5290.05085 0 3 - 5290.05085 - - 0s 0 0 5290.14637 0 3 - 5290.14637 - - 0s 0 0 5290.23955 0 3 - 5290.23955 - - 0s 0 0 5290.33049 0 3 - 5290.33049 - - 0s 0 0 5290.41931 0 3 - 5290.41931 - - 0s H 0 0 5317.0679991 5290.41931 0.50% - 0s 0 2 5290.41931 0 3 5317.06800 5290.41931 0.50% - 0s * 13 2 7 5296.3125573 5296.31119 0.00% 18.5 0s Cutting planes: Gomory: 1 Cover: 4 Flow cover: 1 Explored 14 nodes (326 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.296312557325e+03, best bound 5.296311189278e+03, gap 0.0000%