Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:18:32 2013 Optimize a model with 900 rows, 25350 columns and 50950 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.10s Presolved: 750 rows, 25250 columns, 50550 nonzeros Variable types: 25200 continuous, 50 integer (50 binary) Root relaxation: objective 1.959342e+05, 1835 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 3 - 195934.242 - - 0s H 0 0 205356.99111 195934.242 4.59% - 0s H 0 0 201850.37537 195934.242 2.93% - 0s 0 0 196095.435 0 3 201850.375 196095.435 2.85% - 0s 0 0 196130.575 0 3 201850.375 196130.575 2.83% - 0s 0 0 196132.614 0 3 201850.375 196132.614 2.83% - 0s 0 0 196132.614 0 3 201850.375 196132.614 2.83% - 0s 0 0 196135.080 0 3 201850.375 196135.080 2.83% - 0s 0 0 196135.918 0 3 201850.375 196135.918 2.83% - 0s 0 0 196140.157 0 3 201850.375 196140.157 2.83% - 0s 0 0 196141.158 0 3 201850.375 196141.158 2.83% - 0s 0 0 196141.158 0 3 201850.375 196141.158 2.83% - 0s 0 0 196143.395 0 3 201850.375 196143.395 2.83% - 0s 0 0 196149.268 0 3 201850.375 196149.268 2.82% - 0s 0 0 196149.617 0 3 201850.375 196149.617 2.82% - 0s 0 0 196150.423 0 3 201850.375 196150.423 2.82% - 0s 0 0 196150.607 0 3 201850.375 196150.607 2.82% - 1s 0 0 196151.671 0 3 201850.375 196151.671 2.82% - 1s 0 0 196152.219 0 3 201850.375 196152.219 2.82% - 1s 0 0 196152.290 0 3 201850.375 196152.290 2.82% - 1s 0 0 196152.519 0 3 201850.375 196152.519 2.82% - 1s 0 0 196153.532 0 3 201850.375 196153.532 2.82% - 1s 0 0 196157.125 0 3 201850.375 196157.125 2.82% - 1s 0 0 196158.309 0 3 201850.375 196158.309 2.82% - 1s 0 0 196158.340 0 3 201850.375 196158.340 2.82% - 1s 0 0 196158.670 0 3 201850.375 196158.670 2.82% - 1s 0 0 196160.451 0 3 201850.375 196160.451 2.82% - 1s 0 0 196160.934 0 3 201850.375 196160.934 2.82% - 1s 0 0 196160.989 0 3 201850.375 196160.989 2.82% - 1s 0 0 196160.989 0 3 201850.375 196160.989 2.82% - 1s 0 0 196161.017 0 3 201850.375 196161.017 2.82% - 1s 0 0 196161.017 0 3 201850.375 196161.017 2.82% - 1s 0 0 196161.017 0 3 201850.375 196161.017 2.82% - 1s 0 2 196167.386 0 3 201850.375 196167.386 2.82% - 2s * 15 6 13 196570.65000 196434.722 0.07% 51.5 2s * 22 3 4 196555.34079 196434.722 0.06% 46.1 2s Cutting planes: Flow cover: 20 Explored 24 nodes (3849 simplex iterations) in 2.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965553407861e+05, best bound 1.965475698857e+05, gap 0.0040%