Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:26:08 2013 Optimize a model with 99099 rows, 98109 columns and 392139 nonzeros Presolve removed 4080 rows and 0 columns Presolve time: 0.72s Presolved: 95019 rows, 98109 columns, 383979 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19282 1.2307822e+05 2.724787e+03 0.000000e+00 5s 21079 1.2417337e+05 0.000000e+00 0.000000e+00 6s Root relaxation: objective 1.241734e+05, 21079 iterations, 6.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124173.369 0 5 - 124173.369 - - 7s H 0 0 128701.00000 124173.369 3.52% - 7s H 0 0 124677.00000 124173.369 0.40% - 8s 0 0 124177.959 0 6 124677.000 124177.959 0.40% - 9s 0 0 124177.959 0 5 124677.000 124177.959 0.40% - 13s 0 0 124178.179 0 7 124677.000 124178.179 0.40% - 14s 0 0 124179.003 0 7 124677.000 124179.003 0.40% - 14s 0 2 124180.814 0 7 124677.000 124180.814 0.40% - 18s 6 7 124459.638 5 3 124677.000 124371.787 0.24% 237 20s * 20 10 17 124673.00000 124371.787 0.24% 154 21s H 27 9 124541.00000 124432.664 0.09% 150 22s Cutting planes: Gomory: 4 Flow cover: 11 Explored 76 nodes (37017 simplex iterations) in 24.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.245410000000e+05, best bound 1.245381735624e+05, gap 0.0023%