Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:18:22 2013 Optimize a model with 1001 rows, 82901 columns and 165711 nonzeros Presolve time: 0.14s Presolved: 1001 rows, 82901 columns, 165711 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.219902e+05, 3492 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 121990.193 0 5 - 121990.193 - - 0s H 0 0 135399.00000 121990.193 9.90% - 0s 0 0 122312.822 0 4 135399.000 122312.822 9.66% - 0s H 0 0 135017.00000 122312.822 9.41% - 0s 0 0 122397.355 0 3 135017.000 122397.355 9.35% - 0s H 0 0 131298.28224 122397.355 6.78% - 1s H 0 0 130068.00000 122397.355 5.90% - 1s 0 0 122407.503 0 3 130068.000 122407.503 5.89% - 1s H 0 0 130033.00000 122407.503 5.86% - 1s 0 0 122411.737 0 4 130033.000 122411.737 5.86% - 1s 0 0 122412.281 0 4 130033.000 122412.281 5.86% - 1s 0 0 122413.927 0 4 130033.000 122413.927 5.86% - 1s 0 0 122414.140 0 3 130033.000 122414.140 5.86% - 1s H 0 0 125773.00000 122414.140 2.67% - 2s 0 2 122435.314 0 3 125773.000 122435.314 2.65% - 2s H 8 8 124727.00000 122558.912 1.74% 154 3s H 14 14 124671.00000 122558.912 1.69% 120 3s H 20 19 124562.00000 122558.912 1.61% 98.6 3s H 22 17 123601.00000 122558.912 0.84% 92.0 3s * 24 15 21 123587.00000 122558.912 0.83% 86.2 3s H 29 16 123539.00000 122559.010 0.79% 98.1 4s H 32 18 123449.00000 122559.010 0.72% 90.2 4s H 36 20 123444.00000 122559.010 0.72% 81.1 4s * 38 18 13 123412.00000 122559.010 0.69% 77.9 4s H 50 26 123361.00000 122671.473 0.56% 70.8 4s * 54 26 14 123339.00000 122671.473 0.54% 67.8 4s * 60 4 7 122818.00000 122788.152 0.02% 70.7 4s Cutting planes: Implied bound: 117 Flow cover: 3 Explored 64 nodes (8251 simplex iterations) in 4.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.228180000000e+05, best bound 1.228100684359e+05, gap 0.0065%