Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:41:05 2013 Optimize a model with 2280 rows, 6040 columns and 16020 nonzeros Presolve removed 60 rows and 40 columns Presolve time: 0.10s Presolved: 2220 rows, 6000 columns, 13960 nonzeros Variable types: 5020 continuous, 980 integer (980 binary) Root relaxation: objective 3.573401e+04, 987 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35734.0139 0 3 - 35734.0139 - - 0s 0 0 35822.3973 0 5 - 35822.3973 - - 0s 0 0 35825.7374 0 5 - 35825.7374 - - 0s 0 0 35832.5998 0 6 - 35832.5998 - - 0s 0 0 35841.0999 0 5 - 35841.0999 - - 0s 0 0 35841.8055 0 5 - 35841.8055 - - 0s 0 0 35844.5854 0 5 - 35844.5854 - - 0s 0 0 35845.3218 0 5 - 35845.3218 - - 0s H 0 0 36294.740271 35845.3218 1.24% - 0s 0 2 35846.1561 0 5 36294.7403 35846.1561 1.24% - 0s H 54 36 36197.005327 36076.1607 0.33% 7.5 0s H 54 33 36182.842729 36076.1607 0.29% 7.5 0s H 112 39 36173.439775 36093.8443 0.22% 11.2 1s Cutting planes: Gomory: 3 Flow cover: 26 Explored 344 nodes (6752 simplex iterations) in 1.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.617343977492e+04, best bound 3.617008835176e+04, gap 0.0093%