Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:36:26 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 1.402538e+05, 4123 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 140253.812 0 8 - 140253.812 - - 0s H 0 0 155005.00000 140253.812 9.52% - 0s 0 0 140661.907 0 5 155005.000 140661.907 9.25% - 0s H 0 0 152364.80565 140661.907 7.68% - 0s H 0 0 151208.00000 140661.907 6.97% - 1s 0 0 140695.885 0 5 151208.000 140695.885 6.95% - 1s 0 0 140712.757 0 5 151208.000 140712.757 6.94% - 1s H 0 0 150432.00000 140712.757 6.46% - 1s 0 0 140716.904 0 5 150432.000 140716.904 6.46% - 1s H 0 0 150322.00000 140716.904 6.39% - 1s 0 0 140721.215 0 5 150322.000 140721.215 6.39% - 1s 0 0 140721.215 0 5 150322.000 140721.215 6.39% - 1s H 0 0 150299.00000 140721.215 6.37% - 1s 0 0 140721.215 0 5 150299.000 140721.215 6.37% - 1s H 0 0 150262.00000 140721.215 6.35% - 2s 0 0 140721.215 0 5 150262.000 140721.215 6.35% - 2s H 0 0 147116.00000 140721.215 4.35% - 2s 0 2 140729.765 0 5 147116.000 140729.765 4.34% - 2s H 5 5 143236.90299 140803.233 1.70% 85.8 3s H 6 6 143150.00000 140803.233 1.64% 80.7 3s H 12 12 142499.00000 140803.233 1.19% 103 3s H 14 11 141869.00000 140803.233 0.75% 116 3s * 18 12 13 141836.00000 140803.233 0.73% 94.7 3s H 32 15 141701.00000 140832.137 0.61% 96.0 4s * 33 16 11 141577.00000 140832.137 0.53% 96.7 4s H 39 15 141528.00000 140876.845 0.46% 100 4s 41 19 141102.256 4 4 141528.000 140876.845 0.46% 107 5s * 61 25 12 141457.00000 140928.621 0.37% 100 5s H 86 15 141327.00000 140958.165 0.26% 100 6s * 88 15 9 141271.00000 140958.165 0.22% 98.4 6s H 94 3 141064.00000 140968.823 0.07% 95.0 6s * 97 4 9 141032.00000 140968.823 0.04% 92.6 6s Cutting planes: Implied bound: 182 Flow cover: 8 Explored 105 nodes (14099 simplex iterations) in 6.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.410320000000e+05, best bound 1.410251250000e+05, gap 0.0049%