Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:16:47 2013 Optimize a model with 83811 rows, 82901 columns and 331331 nonzeros Presolve removed 3487 rows and 0 columns Presolve time: 0.57s Presolved: 80324 rows, 82901 columns, 324357 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.132091e+05, 16647 iterations, 3.82 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 113209.104 0 2 - 113209.104 - - 4s H 0 0 116621.00000 113209.104 2.93% - 5s H 0 0 116498.00000 113209.104 2.82% - 5s 0 0 113209.113 0 4 116498.000 113209.113 2.82% - 5s 0 0 113209.113 0 4 116498.000 113209.113 2.82% - 6s H 0 0 114211.96429 113209.113 0.88% - 8s H 0 0 114095.00000 113209.113 0.78% - 9s 0 0 113209.113 0 2 114095.000 113209.113 0.78% - 15s 0 0 113209.113 0 4 114095.000 113209.113 0.78% - 16s 0 0 113209.122 0 4 114095.000 113209.122 0.78% - 17s 0 2 113210.340 0 4 114095.000 113210.340 0.78% - 21s H 6 6 113709.15385 113497.086 0.19% 357 23s H 7 7 113681.39130 113497.086 0.16% 308 23s H 9 9 113644.78100 113497.086 0.13% 248 23s * 12 9 10 113597.00000 113497.086 0.09% 206 23s 31 4 113556.955 7 1 113597.000 113556.955 0.04% 126 25s * 40 4 6 113593.00000 113563.923 0.03% 110 25s Cutting planes: Gomory: 1 Flow cover: 2 Explored 45 nodes (32384 simplex iterations) in 25.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.135930000000e+05, best bound 1.135823802817e+05, gap 0.0093%