Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:17:15 2013 Optimize a model with 1200 rows, 26600 columns and 54050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.15s Presolved: 1100 rows, 26450 columns, 52900 nonzeros Variable types: 26000 continuous, 450 integer (450 binary) Root relaxation: objective 1.650739e+05, 2749 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s 0 0 165160.131 0 2 - 165160.131 - - 0s 0 0 165184.806 0 2 - 165184.806 - - 0s 0 0 165242.960 0 3 - 165242.960 - - 0s 0 0 165269.706 0 2 - 165269.706 - - 0s 0 0 165286.546 0 2 - 165286.546 - - 0s 0 0 165313.241 0 2 - 165313.241 - - 0s 0 0 165345.392 0 2 - 165345.392 - - 0s 0 0 165347.493 0 2 - 165347.493 - - 0s 0 0 165353.993 0 2 - 165353.993 - - 0s 0 0 165356.980 0 2 - 165356.980 - - 0s 0 0 165357.881 0 2 - 165357.881 - - 0s 0 0 165359.876 0 2 - 165359.876 - - 0s 0 0 165360.143 0 2 - 165360.143 - - 0s 0 0 165361.942 0 2 - 165361.942 - - 1s 0 0 165362.661 0 2 - 165362.661 - - 1s 0 0 165363.814 0 2 - 165363.814 - - 1s 0 0 165367.044 0 2 - 165367.044 - - 1s 0 0 165367.904 0 2 - 165367.904 - - 1s 0 0 165368.343 0 2 - 165368.343 - - 1s 0 0 165368.756 0 2 - 165368.756 - - 1s 0 0 165370.334 0 2 - 165370.334 - - 1s 0 0 165370.409 0 2 - 165370.409 - - 1s 0 0 165370.836 0 2 - 165370.836 - - 1s 0 0 165371.566 0 2 - 165371.566 - - 1s 0 0 165371.566 0 2 - 165371.566 - - 1s H 0 0 171432.23233 165371.566 3.54% - 1s 0 2 165383.489 0 2 171432.232 165383.489 3.53% - 1s * 10 4 10 165619.49000 165479.516 0.08% 33.4 2s Cutting planes: Flow cover: 30 Explored 14 nodes (3788 simplex iterations) in 2.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656194900012e+05, best bound 1.656069903071e+05, gap 0.0075%