Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:36:52 2013 Optimize a model with 1012 rows, 84732 columns and 169372 nonzeros Presolve time: 0.14s Presolved: 1012 rows, 84732 columns, 169372 nonzeros Variable types: 84640 continuous, 92 integer (92 binary) Root relaxation: objective 1.041366e+05, 2655 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 104136.625 0 7 - 104136.625 - - 0s H 0 0 108887.00000 104136.625 4.36% - 0s H 0 0 105791.00000 104136.625 1.56% - 0s 0 0 104389.519 0 4 105791.000 104389.519 1.32% - 0s 0 0 104413.795 0 3 105791.000 104413.795 1.30% - 1s 0 0 104413.795 0 7 105791.000 104413.795 1.30% - 1s 0 0 104413.795 0 4 105791.000 104413.795 1.30% - 1s 0 0 104413.795 0 4 105791.000 104413.795 1.30% - 1s 0 0 104416.942 0 3 105791.000 104416.942 1.30% - 1s 0 0 104417.033 0 3 105791.000 104417.033 1.30% - 2s 0 0 104417.033 0 3 105791.000 104417.033 1.30% - 2s 0 2 104431.671 0 3 105791.000 104431.671 1.28% - 2s H 7 7 105746.00000 104493.872 1.18% 53.0 2s H 8 7 105341.00000 104493.872 0.80% 57.2 2s H 9 7 105326.00000 104493.872 0.79% 62.6 2s H 12 10 105158.00000 104493.872 0.63% 50.2 2s H 16 11 105043.00000 104493.872 0.52% 39.8 3s H 18 9 104879.00000 104493.872 0.37% 38.8 3s * 19 9 18 104860.00000 104493.872 0.35% 37.3 3s * 28 13 8 104837.00000 104516.261 0.31% 50.3 3s H 40 9 104789.00000 104604.898 0.18% 47.5 3s H 41 9 104778.00000 104604.898 0.17% 47.0 3s * 42 9 9 104754.00000 104604.898 0.14% 46.1 3s H 45 7 104714.32857 104605.067 0.10% 44.8 3s * 53 8 10 104671.00000 104605.067 0.06% 43.4 3s Cutting planes: Implied bound: 120 Flow cover: 14 Explored 62 nodes (8179 simplex iterations) in 3.88 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.046710000000e+05, best bound 1.046710000000e+05, gap 0.0%