Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:20 2013 Optimize a model with 360 rows, 4120 columns and 8340 nonzeros Presolve removed 80 rows and 60 columns Presolve time: 0.02s Presolved: 280 rows, 4060 columns, 8180 nonzeros Variable types: 4040 continuous, 20 integer (20 binary) Root relaxation: objective 4.642213e+04, 346 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46422.1265 0 3 - 46422.1265 - - 0s H 0 0 46783.399822 46422.1265 0.77% - 0s H 0 0 46736.742913 46422.1265 0.67% - 0s 0 0 46697.8119 0 1 46736.7429 46697.8119 0.08% - 0s * 0 0 0 46719.242149 46719.2421 0.0% - 0s Explored 0 nodes (403 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.671924214897e+04, best bound 4.671924214897e+04, gap 0.0%