Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:18:32 2013 Optimize a model with 1300 rows, 26150 columns and 53750 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.26s Presolved: 1200 rows, 26050 columns, 53400 nonzeros Variable types: 25600 continuous, 450 integer (450 binary) Root relaxation: objective 1.959342e+05, 2265 iterations, 0.11 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 0 0 196067.200 0 3 - 196067.200 - - 0s 0 0 196073.779 0 3 - 196073.779 - - 0s 0 0 196081.119 0 3 - 196081.119 - - 0s 0 0 196085.196 0 3 - 196085.196 - - 0s 0 0 196087.403 0 3 - 196087.403 - - 0s 0 0 196087.639 0 3 - 196087.639 - - 0s 0 0 196087.639 0 3 - 196087.639 - - 0s 0 0 196089.035 0 3 - 196089.035 - - 1s 0 0 196089.035 0 3 - 196089.035 - - 1s 0 0 196089.035 0 3 - 196089.035 - - 1s 0 0 196089.035 0 3 - 196089.035 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s 0 0 196094.062 0 3 - 196094.062 - - 1s H 0 0 198811.31243 196094.062 1.37% - 1s 0 2 196113.842 0 3 198811.312 196113.842 1.36% - 2s H 27 11 196587.74375 196277.634 0.16% 15.2 2s * 33 10 4 196570.65000 196375.390 0.10% 23.3 2s * 48 2 15 196564.46466 196548.089 0.01% 21.8 3s Cutting planes: Flow cover: 14 Explored 49 nodes (4021 simplex iterations) in 3.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.965644646604e+05, best bound 1.965480889920e+05, gap 0.0083%