Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:08 2013 Optimize a model with 150 rows, 2860 columns and 22585 nonzeros Presolve removed 5 rows and 565 columns Presolve time: 0.06s Presolved: 145 rows, 2295 columns, 20585 nonzeros Variable types: 2255 continuous, 40 integer (40 binary) Root relaxation: objective 1.704455e+04, 92 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17044.5499 0 5 - 17044.5499 - - 0s 0 0 17044.7478 0 5 - 17044.7478 - - 0s 0 0 17087.7465 0 4 - 17087.7465 - - 0s 0 0 17087.7465 0 4 - 17087.7465 - - 0s H 0 0 17181.192882 17087.7465 0.54% - 0s H 0 0 17155.860437 17087.7465 0.40% - 0s 0 0 17087.7465 0 4 17155.8604 17087.7465 0.40% - 0s 0 0 17087.7465 0 4 17155.8604 17087.7465 0.40% - 0s 0 0 17087.7697 0 4 17155.8604 17087.7697 0.40% - 0s 0 0 17087.7697 0 4 17155.8604 17087.7697 0.40% - 0s 0 2 17088.7077 0 4 17155.8604 17088.7077 0.39% - 0s * 12 6 10 17109.234978 17090.7242 0.11% 8.3 0s * 14 6 11 17108.549429 17090.7242 0.10% 7.4 0s * 22 4 7 17091.445701 17090.8791 0.00% 5.4 0s Cutting planes: Flow cover: 1 Explored 23 nodes (587 simplex iterations) in 0.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.709144570108e+04, best bound 1.709087913699e+04, gap 0.0033%