Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:43:01 2013 Optimize a model with 979 rows, 79299 columns and 158509 nonzeros Presolve time: 0.13s Presolved: 979 rows, 79299 columns, 158509 nonzeros Variable types: 79210 continuous, 89 integer (89 binary) Root relaxation: objective 1.220412e+05, 2931 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 122041.221 0 4 - 122041.221 - - 0s H 0 0 130653.00000 122041.221 6.59% - 0s 0 0 122087.424 0 2 130653.000 122087.424 6.56% - 0s H 0 0 123894.32500 122087.424 1.46% - 0s H 0 0 123780.00000 122087.424 1.37% - 0s 0 0 122087.662 0 2 123780.000 122087.662 1.37% - 0s 0 0 122088.067 0 2 123780.000 122088.067 1.37% - 0s 0 0 122090.700 0 1 123780.000 122090.700 1.36% - 1s H 0 0 123646.00000 122090.700 1.26% - 1s 0 0 122090.700 0 1 123646.000 122090.700 1.26% - 1s 0 0 122090.700 0 1 123646.000 122090.700 1.26% - 1s 0 0 122090.700 0 4 123646.000 122090.700 1.26% - 1s 0 0 122090.700 0 2 123646.000 122090.700 1.26% - 1s H 0 0 123641.00000 122090.700 1.25% - 1s 0 0 122090.700 0 2 123641.000 122090.700 1.25% - 2s 0 0 122090.700 0 2 123641.000 122090.700 1.25% - 2s 0 0 122090.700 0 1 123641.000 122090.700 1.25% - 2s H 0 0 123574.00000 122090.700 1.20% - 2s 0 0 122090.700 0 1 123574.000 122090.700 1.20% - 2s 0 0 122090.700 0 1 123574.000 122090.700 1.20% - 2s H 0 0 123033.00000 122090.700 0.77% - 2s 0 2 122091.529 0 1 123033.000 122091.529 0.77% - 2s H 7 6 122626.00000 122213.080 0.34% 80.3 3s H 13 10 122604.00000 122213.080 0.32% 65.6 3s * 15 8 14 122416.00000 122213.080 0.17% 58.7 3s * 28 0 7 122396.00000 122396.000 0.0% 60.3 3s Cutting planes: Implied bound: 85 Flow cover: 3 Explored 29 nodes (7653 simplex iterations) in 3.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223960000000e+05, best bound 1.223960000000e+05, gap 0.0%