Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:45:19 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.46s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 2.082509e+05, 7127 iterations, 0.46 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 208250.918 0 4 - 208250.918 - - 1s H 0 0 215289.00000 208250.918 3.27% - 1s 0 0 208363.808 0 4 215289.000 208363.808 3.22% - 2s 0 0 208371.559 0 5 215289.000 208371.559 3.21% - 2s 0 0 208373.618 0 4 215289.000 208373.618 3.21% - 2s 0 0 208378.912 0 4 215289.000 208378.912 3.21% - 3s 0 0 208382.729 0 4 215289.000 208382.729 3.21% - 3s 0 0 208382.773 0 4 215289.000 208382.773 3.21% - 3s 0 0 208383.052 0 3 215289.000 208383.052 3.21% - 4s 0 0 208383.066 0 4 215289.000 208383.066 3.21% - 4s 0 0 208383.094 0 4 215289.000 208383.094 3.21% - 5s H 0 0 209166.00000 208383.094 0.37% - 5s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 5s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 6s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 5 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 3 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 7s 0 0 208383.098 0 3 209166.000 208383.098 0.37% - 8s 0 0 208383.098 0 3 209166.000 208383.098 0.37% - 8s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 8s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 8s 0 0 208383.098 0 4 209166.000 208383.098 0.37% - 8s 0 2 208391.391 0 4 209166.000 208391.391 0.37% - 9s 1 4 208543.149 1 4 209166.000 208470.954 0.33% 476 10s * 17 14 12 209031.00000 208545.213 0.23% 116 11s * 30 15 10 209020.00000 208560.558 0.22% 106 12s H 44 15 209003.00000 208646.276 0.17% 103 13s * 47 15 13 208785.00000 208646.276 0.07% 101 13s * 58 3 9 208707.00000 208701.051 0.00% 97.8 14s Cutting planes: Implied bound: 98 Flow cover: 6 Explored 59 nodes (19255 simplex iterations) in 14.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.087070000000e+05, best bound 2.087010507443e+05, gap 0.0029%