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 2.337984e+04, 140 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23379.8401 0 1 - 23379.8401 - - 0s H 0 0 23546.364053 23379.8401 0.71% - 0s 0 2 23379.8401 0 1 23546.3641 23379.8401 0.71% - 0s * 10 2 5 23525.622300 23520.1717 0.02% 2.3 0s Explored 13 nodes (163 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.352562229968e+04, best bound 2.352562229968e+04, gap 0.0%