Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:37 2013 Optimize a model with 950 rows, 25850 columns and 52050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.14s Presolved: 850 rows, 25700 columns, 51400 nonzeros Variable types: 25500 continuous, 200 integer (200 binary) Root relaxation: objective 1.959342e+05, 2624 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 196095.435 0 3 - 196095.435 - - 0s 0 0 196125.867 0 3 - 196125.867 - - 0s 0 0 196128.810 0 4 - 196128.810 - - 0s 0 0 196130.310 0 4 - 196130.310 - - 0s 0 0 196132.335 0 3 - 196132.335 - - 0s 0 0 196133.056 0 3 - 196133.056 - - 0s 0 0 196134.706 0 3 - 196134.706 - - 0s 0 0 196136.523 0 3 - 196136.523 - - 0s 0 0 196141.421 0 3 - 196141.421 - - 0s 0 0 196141.432 0 3 - 196141.432 - - 0s 0 0 196141.893 0 3 - 196141.893 - - 0s 0 0 196145.731 0 3 - 196145.731 - - 0s 0 0 196150.013 0 3 - 196150.013 - - 0s 0 0 196151.070 0 3 - 196151.070 - - 0s 0 0 196151.279 0 3 - 196151.279 - - 1s 0 0 196151.608 0 3 - 196151.608 - - 1s 0 0 196152.740 0 3 - 196152.740 - - 1s 0 0 196153.459 0 3 - 196153.459 - - 1s 0 0 196156.327 0 3 - 196156.327 - - 1s 0 0 196156.567 0 3 - 196156.567 - - 1s 0 0 196156.567 0 3 - 196156.567 - - 1s 0 0 196156.567 0 3 - 196156.567 - - 1s 0 0 196156.567 0 3 - 196156.567 - - 1s H 0 0 199669.08933 196156.567 1.76% - 1s H 0 0 197545.93233 196156.567 0.70% - 1s 0 2 196162.034 0 3 197545.932 196162.034 0.70% - 1s * 21 6 19 196562.61813 196341.024 0.11% 28.3 1s Cutting planes: Flow cover: 17 Explored 34 nodes (4139 simplex iterations) in 2.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965626181321e+05, best bound 1.965587587281e+05, gap 0.0020%