Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:34 2013 Optimize a model with 200 rows, 1210 columns and 2670 nonzeros Presolve removed 10 rows and 70 columns Presolve time: 0.00s Presolved: 190 rows, 1140 columns, 2570 nonzeros Variable types: 1110 continuous, 30 integer (30 binary) Root relaxation: objective 2.162324e+04, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21623.2446 0 2 - 21623.2446 - - 0s 0 0 21651.1055 0 4 - 21651.1055 - - 0s 0 0 21652.8301 0 6 - 21652.8301 - - 0s 0 0 21652.8301 0 6 - 21652.8301 - - 0s H 0 0 21755.839828 21652.8301 0.47% - 0s 0 1 21712.4540 0 2 21755.8398 21712.4540 0.20% - 0s Cutting planes: Gomory: 2 Flow cover: 3 Explored 4 nodes (240 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.175583982773e+04, best bound 2.175583982773e+04, gap 0.0%