Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:27:38 2013 Optimize a model with 924 rows, 70644 columns and 141204 nonzeros Presolve time: 0.11s Presolved: 924 rows, 70644 columns, 141204 nonzeros Variable types: 70560 continuous, 84 integer (84 binary) Root relaxation: objective 1.011651e+05, 3069 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 101165.126 0 4 - 101165.126 - - 0s H 0 0 104083.00000 101165.126 2.80% - 0s 0 0 101610.969 0 5 104083.000 101610.969 2.38% - 0s H 0 0 103971.00000 101610.969 2.27% - 0s 0 0 101659.874 0 6 103971.000 101659.874 2.22% - 0s H 0 0 103599.00000 101659.874 1.87% - 0s 0 0 101684.786 0 5 103599.000 101684.786 1.85% - 0s H 0 0 102662.00000 101684.786 0.95% - 0s H 0 0 102117.00000 101684.786 0.42% - 0s 0 0 101692.872 0 7 102117.000 101692.872 0.42% - 0s 0 0 101692.872 0 4 102117.000 101692.872 0.42% - 1s 0 0 101692.872 0 5 102117.000 101692.872 0.42% - 1s 0 0 101692.872 0 6 102117.000 101692.872 0.42% - 1s 0 0 101692.872 0 5 102117.000 101692.872 0.42% - 1s 0 0 101693.613 0 7 102117.000 101693.613 0.41% - 1s 0 0 101694.242 0 6 102117.000 101694.242 0.41% - 1s 0 0 101694.494 0 6 102117.000 101694.494 0.41% - 1s 0 0 101694.598 0 4 102117.000 101694.598 0.41% - 1s 0 0 101694.598 0 4 102117.000 101694.598 0.41% - 1s 0 2 101696.161 0 4 102117.000 101696.161 0.41% - 2s H 13 12 102067.92308 101741.979 0.32% 80.3 2s * 15 10 11 101972.00000 101741.979 0.23% 71.3 2s * 21 4 6 101930.00000 101834.532 0.09% 73.7 2s H 26 4 101928.00000 101837.094 0.09% 62.3 2s H 27 5 101924.00000 101837.094 0.09% 60.3 2s * 28 3 8 101901.00000 101837.094 0.06% 58.9 2s * 33 1 7 101861.00000 101861.000 0.0% 54.5 2s Cutting planes: Implied bound: 113 Flow cover: 3 Explored 34 nodes (7436 simplex iterations) in 2.99 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.018610000000e+05, best bound 1.018610000000e+05, gap 0.0%