Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:25:03 2012 Optimize a model with 1095 rows, 1080 columns and 3558 nonzeros Presolve removed 96 rows and 60 columns Presolve time: 0.01s Presolved: 999 rows, 1020 columns, 3327 nonzeros Variable types: 681 continuous, 339 integer (339 binary) Root relaxation: objective 9.902848e+04, 506 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 99028.4824 0 179 - 99028.4824 - - 0s H 0 0 162338.00000 99028.4824 39.0% - 0s 0 0 124398.298 0 34 162338.000 124398.298 23.4% - 0s 0 0 124835.368 0 10 162338.000 124835.368 23.1% - 0s H 0 0 128575.29089 124835.368 2.91% - 0s 0 0 124898.228 0 1 128575.291 124898.228 2.86% - 0s H 0 0 124934.00000 124898.228 0.03% - 0s 0 0 124899.545 0 1 124934.000 124899.545 0.03% - 0s 0 0 124899.545 0 133 124934.000 124899.545 0.03% - 0s 0 0 124899.545 0 12 124934.000 124899.545 0.03% - 0s 0 0 124899.545 0 1 124934.000 124899.545 0.03% - 0s 0 0 124899.545 0 1 124934.000 124899.545 0.03% - 0s 0 2 124901.000 0 1 124934.000 124901.000 0.03% - 0s * 1 1 1 124901.00000 124901.000 0.0% 1.0 0s Cutting planes: Gomory: 11 Cover: 1 Flow cover: 80 Flow path: 50 Explored 2 nodes (1289 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.249010000000e+05, best bound 1.249010000000e+05, gap 0.0%