Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:29:59 2012 Optimize a model with 3255 rows, 3240 columns and 11815 nonzeros Presolve removed 384 rows and 123 columns Presolve time: 0.02s Presolved: 2871 rows, 3117 columns, 11010 nonzeros Variable types: 2775 continuous, 342 integer (342 binary) Root relaxation: objective 1.159079e+05, 518 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 115907.896 0 14 - 115907.896 - - 0s H 0 0 118095.00000 115907.896 1.85% - 0s 0 0 116024.166 0 17 118095.000 116024.166 1.75% - 0s 0 0 116059.110 0 19 118095.000 116059.110 1.72% - 0s 0 0 116074.443 0 20 118095.000 116074.443 1.71% - 0s 0 0 116082.102 0 21 118095.000 116082.102 1.70% - 0s 0 0 116082.828 0 20 118095.000 116082.828 1.70% - 0s 0 0 116083.780 0 20 118095.000 116083.780 1.70% - 0s 0 0 116084.140 0 21 118095.000 116084.140 1.70% - 0s 0 0 116084.369 0 21 118095.000 116084.369 1.70% - 0s 0 0 116084.712 0 21 118095.000 116084.712 1.70% - 0s 0 0 116085.041 0 22 118095.000 116085.041 1.70% - 0s 0 0 116085.109 0 23 118095.000 116085.109 1.70% - 0s 0 2 116095.417 0 23 118095.000 116095.417 1.69% - 0s H 54 20 116209.00000 116139.872 0.06% 4.3 0s H 81 21 116208.00000 116149.741 0.05% 4.0 0s Cutting planes: Gomory: 5 Cover: 4 Flow cover: 14 Explored 186 nodes (1220 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.162080000000e+05, best bound 1.162001958321e+05, gap 0.0067%