Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:17:55 2013 Optimize a model with 1100 rows, 26900 columns and 57450 nonzeros Presolve removed 50 rows and 650 columns Presolve time: 0.08s Presolved: 1050 rows, 26250 columns, 56450 nonzeros Variable types: 26050 continuous, 200 integer (200 binary) Root relaxation: objective 1.959342e+05, 2156 iterations, 0.06 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 6 - 195934.242 - - 0s 0 0 196067.200 0 6 - 196067.200 - - 0s 0 0 196076.060 0 6 - 196076.060 - - 0s 0 0 196077.204 0 6 - 196077.204 - - 0s 0 0 196077.468 0 6 - 196077.468 - - 0s 0 0 196078.012 0 6 - 196078.012 - - 0s 0 0 196082.835 0 6 - 196082.835 - - 0s 0 0 196083.032 0 6 - 196083.032 - - 0s 0 0 196083.032 0 6 - 196083.032 - - 0s 0 0 196083.032 0 6 - 196083.032 - - 0s 0 0 196083.032 0 6 - 196083.032 - - 0s H 0 0 198811.31243 196083.032 1.37% - 0s 0 2 196085.830 0 6 198811.312 196085.830 1.37% - 1s H 27 8 196564.46466 196312.879 0.13% 26.5 1s Cutting planes: Flow cover: 11 Explored 39 nodes (4017 simplex iterations) in 1.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965644646604e+05, best bound 1.965480650863e+05, gap 0.0083%