Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:35 2013 Optimize a model with 210 rows, 1130 columns and 2400 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.00s Presolved: 190 rows, 1110 columns, 2330 nonzeros Variable types: 1070 continuous, 40 integer (40 binary) Root relaxation: objective 2.162324e+04, 130 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 21648.1558 0 2 - 21648.1558 - - 0s 0 0 21648.1558 0 2 - 21648.1558 - - 0s H 0 0 21755.839828 21648.1558 0.49% - 0s 0 2 21700.1119 0 2 21755.8398 21700.1119 0.26% - 0s Cutting planes: Gomory: 2 Flow cover: 1 Explored 5 nodes (206 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%