Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:18:38 2013 Optimize a model with 1300 rows, 26150 columns and 53750 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.32s Presolved: 1200 rows, 26050 columns, 53400 nonzeros Variable types: 25600 continuous, 450 integer (450 binary) Root relaxation: objective 1.650739e+05, 2059 iterations, 0.12 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 0 0 165162.968 0 2 - 165162.968 - - 0s 0 0 165184.711 0 2 - 165184.711 - - 0s 0 0 165188.262 0 2 - 165188.262 - - 0s 0 0 165190.939 0 2 - 165190.939 - - 0s 0 0 165191.585 0 2 - 165191.585 - - 0s 0 0 165193.892 0 2 - 165193.892 - - 0s 0 0 165193.892 0 2 - 165193.892 - - 1s 0 0 165193.892 0 2 - 165193.892 - - 1s 0 0 165194.154 0 2 - 165194.154 - - 1s 0 0 165194.154 0 2 - 165194.154 - - 1s H 0 0 171432.23233 165194.154 3.64% - 1s 0 2 165215.951 0 2 171432.232 165215.951 3.63% - 1s * 11 5 11 165619.49000 165480.086 0.08% 27.6 1s Cutting planes: Flow cover: 11 Explored 17 nodes (2753 simplex iterations) in 1.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.656194900012e+05, best bound 1.656069903071e+05, gap 0.0075%