Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:45:21 2013 Optimize a model with 1000 rows, 26050 columns and 53350 nonzeros Presolve removed 50 rows and 350 columns Presolve time: 0.15s Presolved: 950 rows, 25700 columns, 52850 nonzeros Variable types: 25550 continuous, 150 integer (150 binary) Root relaxation: objective 1.650739e+05, 2013 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 165073.856 0 2 - 165073.856 - - 0s H 0 0 179473.27269 165073.856 8.02% - 0s 0 0 165203.784 0 2 179473.273 165203.784 7.95% - 0s 0 0 165240.569 0 2 179473.273 165240.569 7.93% - 0s 0 0 165257.946 0 2 179473.273 165257.946 7.92% - 0s 0 0 165266.898 0 2 179473.273 165266.898 7.92% - 0s 0 0 165274.901 0 2 179473.273 165274.901 7.91% - 0s 0 0 165280.244 0 2 179473.273 165280.244 7.91% - 0s 0 0 165281.705 0 2 179473.273 165281.705 7.91% - 1s 0 0 165283.560 0 2 179473.273 165283.560 7.91% - 1s 0 0 165285.145 0 2 179473.273 165285.145 7.91% - 1s 0 0 165287.529 0 2 179473.273 165287.529 7.90% - 1s 0 0 165288.031 0 2 179473.273 165288.031 7.90% - 1s 0 0 165288.446 0 2 179473.273 165288.446 7.90% - 1s 0 0 165288.565 0 2 179473.273 165288.565 7.90% - 1s 0 0 165288.565 0 2 179473.273 165288.565 7.90% - 1s 0 2 165299.431 0 2 179473.273 165299.431 7.90% - 1s * 10 4 10 165615.57936 165528.830 0.05% 37.3 2s Cutting planes: Flow cover: 16 Explored 13 nodes (3040 simplex iterations) in 2.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656155793615e+05, best bound 1.656155793615e+05, gap 0.0%