Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:36:40 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 1.260493e+05, 3177 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 126049.315 0 9 - 126049.315 - - 0s H 0 0 136231.00000 126049.315 7.47% - 0s H 0 0 128880.00000 126049.315 2.20% - 0s 0 0 126328.939 0 7 128880.000 126328.939 1.98% - 0s 0 0 126352.960 0 6 128880.000 126352.960 1.96% - 0s 0 0 126363.256 0 7 128880.000 126363.256 1.95% - 1s 0 0 126365.230 0 7 128880.000 126365.230 1.95% - 1s 0 0 126371.182 0 8 128880.000 126371.182 1.95% - 1s 0 0 126373.521 0 8 128880.000 126373.521 1.94% - 1s 0 0 126373.628 0 7 128880.000 126373.628 1.94% - 1s 0 0 126373.736 0 7 128880.000 126373.736 1.94% - 1s 0 0 126373.736 0 7 128880.000 126373.736 1.94% - 1s H 0 0 126566.00000 126373.736 0.15% - 2s 0 0 126373.736 0 9 126566.000 126373.736 0.15% - 2s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 2s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 2s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 3s 0 0 126373.736 0 6 126566.000 126373.736 0.15% - 3s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 3s 0 0 126373.736 0 9 126566.000 126373.736 0.15% - 3s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 3s 0 0 126373.736 0 7 126566.000 126373.736 0.15% - 3s 0 2 126378.465 0 7 126566.000 126378.465 0.15% - 3s * 9 8 8 126533.00000 126402.386 0.10% 47.7 4s Cutting planes: Implied bound: 112 Flow cover: 14 Explored 47 nodes (8805 simplex iterations) in 4.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.265330000000e+05, best bound 1.265205544885e+05, gap 0.0098%