Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:44:23 2012 Optimize a model with 1110 rows, 1080 columns and 3581 nonzeros Presolve removed 41 rows and 25 columns Presolve time: 0.01s Presolved: 1069 rows, 1055 columns, 3481 nonzeros Variable types: 704 continuous, 351 integer (351 binary) Root relaxation: objective 9.866416e+04, 532 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 98664.1600 0 180 - 98664.1600 - - 0s H 0 0 158544.00000 98664.1600 37.8% - 0s 0 0 118329.443 0 31 158544.000 118329.443 25.4% - 0s H 0 0 133842.87384 118329.443 11.6% - 0s 0 0 118977.732 0 15 133842.874 118977.732 11.1% - 0s 0 0 119091.724 0 5 133842.874 119091.724 11.0% - 0s 0 0 119107.980 0 2 133842.874 119107.980 11.0% - 0s H 0 0 119435.00000 119107.980 0.27% - 0s 0 2 119108.480 0 2 119435.000 119108.480 0.27% - 0s H 15 13 119357.00000 119108.480 0.21% 2.4 0s H 18 16 119341.00000 119108.480 0.19% 2.5 0s * 20 15 18 119317.00000 119108.480 0.17% 2.6 0s * 23 2 2 119174.00000 119126.242 0.04% 2.7 0s * 25 2 3 119143.00000 119139.509 0.00% 2.9 0s Cutting planes: Gomory: 18 Cover: 1 Flow cover: 107 Flow path: 64 Explored 26 nodes (833 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.191430000000e+05, best bound 1.191395094325e+05, gap 0.0029%