Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:50:47 2013 Optimize a model with 891 rows, 65691 columns and 131301 nonzeros Presolve time: 0.10s Presolved: 891 rows, 65691 columns, 131301 nonzeros Variable types: 65610 continuous, 81 integer (81 binary) Root relaxation: objective 1.206453e+05, 3093 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120645.334 0 7 - 120645.334 - - 0s H 0 0 123773.00000 120645.334 2.53% - 0s H 0 0 122009.00000 120645.334 1.12% - 0s 0 0 121049.247 0 5 122009.000 121049.247 0.79% - 0s 0 0 121049.247 0 7 122009.000 121049.247 0.79% - 0s 0 0 121049.247 0 5 122009.000 121049.247 0.79% - 1s 0 0 121057.895 0 3 122009.000 121057.895 0.78% - 1s 0 0 121058.324 0 3 122009.000 121058.324 0.78% - 1s 0 0 121058.324 0 3 122009.000 121058.324 0.78% - 1s 0 0 121058.324 0 3 122009.000 121058.324 0.78% - 1s H 0 0 121465.00000 121058.324 0.33% - 1s 0 2 121072.526 0 3 121465.000 121072.526 0.32% - 1s * 13 8 11 121445.00000 121190.809 0.21% 78.2 2s Cutting planes: Implied bound: 161 Flow cover: 7 Explored 35 nodes (9266 simplex iterations) in 2.47 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.214450000000e+05, best bound 1.214450000000e+05, gap 0.0%