Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:17:11 2013 Optimize a model with 1200 rows, 26600 columns and 54050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.21s Presolved: 1100 rows, 26450 columns, 52900 nonzeros Variable types: 26000 continuous, 450 integer (450 binary) Root relaxation: objective 1.959342e+05, 2384 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 3 - 195934.242 - - 0s 0 0 196067.200 0 3 - 196067.200 - - 0s 0 0 196078.154 0 3 - 196078.154 - - 0s 0 0 196127.999 0 3 - 196127.999 - - 0s 0 0 196139.612 0 3 - 196139.612 - - 0s 0 0 196143.858 0 3 - 196143.858 - - 0s 0 0 196143.891 0 3 - 196143.891 - - 0s 0 0 196144.869 0 3 - 196144.869 - - 0s 0 0 196144.869 0 3 - 196144.869 - - 0s 0 0 196149.065 0 3 - 196149.065 - - 0s 0 0 196149.065 0 3 - 196149.065 - - 0s 0 0 196149.065 0 3 - 196149.065 - - 0s 0 0 196149.280 0 3 - 196149.280 - - 1s 0 0 196149.280 0 3 - 196149.280 - - 1s H 0 0 198811.31243 196149.280 1.34% - 1s 0 2 196154.565 0 3 198811.312 196154.565 1.34% - 1s * 29 10 28 196564.46466 196271.987 0.15% 11.9 1s Cutting planes: Flow cover: 16 Explored 42 nodes (3749 simplex iterations) in 1.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965644646604e+05, best bound 1.965480821864e+05, gap 0.0083%