Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:15 2013 Optimize a model with 180 rows, 1060 columns and 2170 nonzeros Presolve removed 40 rows and 30 columns Presolve time: 0.00s Presolved: 140 rows, 1030 columns, 2090 nonzeros Variable types: 1020 continuous, 10 integer (10 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 H 0 0 21751.486203 21623.2446 0.59% - 0s H 0 0 21741.249637 21623.2446 0.54% - 0s 0 0 21734.9915 0 1 21741.2496 21734.9915 0.03% - 0s Explored 0 nodes (143 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.174124963687e+04, best bound 2.174124963687e+04, gap 0.0%