Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:36:46 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 1.143984e+05, 3097 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 114398.395 0 6 - 114398.395 - - 0s H 0 0 117945.00000 114398.395 3.01% - 0s 0 0 114625.216 0 4 117945.000 114625.216 2.81% - 0s H 0 0 116145.00000 114625.216 1.31% - 0s 0 0 114638.570 0 4 116145.000 114638.570 1.30% - 0s H 0 0 116104.00000 114638.570 1.26% - 0s 0 0 114638.570 0 4 116104.000 114638.570 1.26% - 1s 0 0 114638.570 0 4 116104.000 114638.570 1.26% - 1s 0 0 114638.570 0 4 116104.000 114638.570 1.26% - 1s 0 0 114638.570 0 6 116104.000 114638.570 1.26% - 1s 0 0 114638.570 0 4 116104.000 114638.570 1.26% - 2s 0 0 114638.657 0 4 116104.000 114638.657 1.26% - 2s 0 0 114638.657 0 4 116104.000 114638.657 1.26% - 2s 0 0 114638.657 0 4 116104.000 114638.657 1.26% - 2s 0 0 114638.657 0 4 116104.000 114638.657 1.26% - 2s 0 2 114640.600 0 4 116104.000 114640.600 1.26% - 3s H 7 6 115014.00000 114790.631 0.19% 72.1 3s H 10 5 114943.40458 114790.631 0.13% 55.9 3s * 13 5 12 114933.00000 114790.631 0.12% 47.9 3s Cutting planes: Implied bound: 142 Flow cover: 8 Explored 20 nodes (7418 simplex iterations) in 3.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.149330000000e+05, best bound 1.149330000000e+05, gap 0.0%