Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:38 2013 Optimize a model with 140 rows, 1080 columns and 2190 nonzeros Presolve removed 10 rows and 10 columns Presolve time: 0.00s Presolved: 130 rows, 1070 columns, 2130 nonzeros Variable types: 1070 continuous, 0 integer (0 binary) Root relaxation: objective 2.162324e+04, 125 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 21755.839828 21623.2446 0.61% - 0s 0 2 21623.2446 0 2 21755.8398 21623.2446 0.61% - 0s Explored 11 nodes (140 simplex iterations) in 0.01 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%