Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:48:54 2013 Optimize a model with 80278 rows, 79388 columns and 317018 nonzeros Presolve removed 89 rows and 0 columns Presolve time: 0.38s Presolved: 80189 rows, 79388 columns, 316929 nonzeros Variable types: 79299 continuous, 89 integer (89 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8099 7.3702971e+04 2.718744e+05 0.000000e+00 5s 10043 7.4712148e+04 5.741556e+03 0.000000e+00 10s 10678 7.4803155e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 7.480315e+04, 10678 iterations, 11.86 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74803.1550 0 68 - 74803.1550 - - 12s H 0 0 140871.00000 74803.1550 46.9% - 17s 0 0 103320.754 0 19 140871.000 103320.754 26.7% - 36s H 0 0 128316.00000 103320.754 19.5% - 37s H 0 0 126567.00000 103320.754 18.4% - 38s 0 0 108762.934 0 11 126567.000 108762.934 14.1% - 42s H 0 0 118101.00000 108762.934 7.91% - 42s H 0 0 117094.00000 108762.934 7.11% - 44s 0 0 110230.705 0 5 117094.000 110230.705 5.86% - 46s 0 0 110812.605 0 2 117094.000 110812.605 5.36% - 48s H 0 0 113794.36514 110812.605 2.62% - 48s H 0 0 113521.00000 110812.605 2.39% - 48s H 0 0 111210.67647 110812.605 0.36% - 49s H 0 0 111190.00000 110812.605 0.34% - 49s 0 2 110812.784 0 2 111190.000 110812.784 0.34% - 51s 16 3 111170.102 4 2 111190.000 111027.940 0.15% 216 55s Cutting planes: Implied bound: 89 Explored 37 nodes (32415 simplex iterations) in 56.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.111900000000e+05, best bound 1.111877368421e+05, gap 0.0020%