Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:20:02 2013 Optimize a model with 700 rows, 25250 columns and 50500 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.04s Presolved: 800 rows, 25300 columns, 50650 nonzeros Variable types: 25200 continuous, 100 integer (100 binary) Root relaxation: objective 1.824192e+05, 2112 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 182419.206 0 2 - 182419.206 - - 0s H 0 0 187960.54684 182419.206 2.95% - 0s H 0 0 183912.50168 182419.206 0.81% - 0s 0 0 182445.503 0 4 183912.502 182445.503 0.80% - 0s 0 0 182457.494 0 4 183912.502 182457.494 0.79% - 0s 0 0 182473.240 0 4 183912.502 182473.240 0.78% - 0s 0 0 182489.057 0 4 183912.502 182489.057 0.77% - 0s 0 0 182490.765 0 4 183912.502 182490.765 0.77% - 0s 0 0 182493.805 0 4 183912.502 182493.805 0.77% - 0s 0 0 182496.821 0 4 183912.502 182496.821 0.77% - 0s 0 0 182499.387 0 4 183912.502 182499.387 0.77% - 0s 0 0 182499.560 0 6 183912.502 182499.560 0.77% - 0s 0 0 182499.836 0 4 183912.502 182499.836 0.77% - 0s 0 0 182499.836 0 4 183912.502 182499.836 0.77% - 0s 0 0 182503.940 0 4 183912.502 182503.940 0.77% - 0s 0 0 182503.940 0 4 183912.502 182503.940 0.77% - 1s 0 2 182515.469 0 4 183912.502 182515.469 0.76% - 1s * 6 3 4 183463.55435 182701.496 0.42% 164 1s * 9 1 5 183438.52172 182701.496 0.40% 119 1s * 12 2 3 182845.28394 182786.398 0.03% 104 1s Cutting planes: Flow cover: 16 Explored 14 nodes (3887 simplex iterations) in 1.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.828452839414e+05, best bound 1.828452839414e+05, gap 0.0%