Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:45:16 2013 Optimize a model with 1000 rows, 26050 columns and 53350 nonzeros Presolve removed 50 rows and 350 columns Presolve time: 0.15s Presolved: 950 rows, 25700 columns, 52850 nonzeros Variable types: 25550 continuous, 150 integer (150 binary) Root relaxation: objective 1.959342e+05, 1692 iterations, 0.08 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 196095.782 0 3 - 196095.782 - - 0s 0 0 196122.972 0 3 - 196122.972 - - 0s 0 0 196128.847 0 3 - 196128.847 - - 0s 0 0 196128.847 0 3 - 196128.847 - - 0s 0 0 196133.612 0 3 - 196133.612 - - 0s 0 0 196136.215 0 3 - 196136.215 - - 0s 0 0 196137.152 0 3 - 196137.152 - - 0s 0 0 196143.095 0 3 - 196143.095 - - 1s 0 0 196143.095 0 3 - 196143.095 - - 1s 0 0 196143.912 0 3 - 196143.912 - - 1s 0 0 196145.904 0 3 - 196145.904 - - 1s 0 0 196148.326 0 3 - 196148.326 - - 1s 0 0 196148.326 0 3 - 196148.326 - - 1s 0 0 196148.326 0 3 - 196148.326 - - 1s 0 0 196148.343 0 3 - 196148.343 - - 1s 0 0 196148.343 0 3 - 196148.343 - - 1s H 0 0 197545.93233 196148.343 0.71% - 1s 0 2 196154.841 0 3 197545.932 196154.841 0.70% - 2s * 21 9 18 196586.54661 196434.722 0.08% 36.6 2s H 27 1 196562.61813 196534.876 0.01% 29.7 2s Cutting planes: Flow cover: 19 Explored 33 nodes (3645 simplex iterations) in 2.66 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965626181321e+05, best bound 1.965626181321e+05, gap 0.0%