Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:00:44 2013 Optimize a model with 1200 rows, 26400 columns and 57950 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.09s Presolved: 1150 rows, 26350 columns, 56900 nonzeros Variable types: 26100 continuous, 250 integer (250 binary) Root relaxation: objective 1.959342e+05, 1911 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 195934.242 0 9 - 195934.242 - - 0s 0 0 196016.412 0 9 - 196016.412 - - 0s 0 0 196016.807 0 11 - 196016.807 - - 0s 0 0 196020.743 0 11 - 196020.743 - - 0s 0 0 196021.219 0 11 - 196021.219 - - 0s 0 0 196021.293 0 11 - 196021.293 - - 0s 0 0 196023.514 0 11 - 196023.514 - - 0s 0 0 196023.653 0 11 - 196023.653 - - 0s 0 0 196024.015 0 11 - 196024.015 - - 0s 0 0 196037.483 0 10 - 196037.483 - - 0s 0 0 196037.742 0 10 - 196037.742 - - 0s 0 0 196041.675 0 11 - 196041.675 - - 0s 0 0 196043.170 0 11 - 196043.170 - - 0s 0 0 196043.293 0 11 - 196043.293 - - 1s 0 0 196043.293 0 11 - 196043.293 - - 1s 0 0 196043.293 0 11 - 196043.293 - - 1s 0 0 196043.293 0 11 - 196043.293 - - 1s H 0 0 201111.11831 196043.293 2.52% - 1s 0 2 196049.590 0 11 201111.118 196049.590 2.52% - 1s * 23 8 23 196588.29403 196279.629 0.16% 22.8 2s * 29 5 5 196570.65000 196434.722 0.07% 28.9 2s Cutting planes: Flow cover: 16 Explored 36 nodes (4206 simplex iterations) in 2.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965706500001e+05, best bound 1.965519751934e+05, gap 0.0095%