Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:08:53 2013 Optimize a model with 28 rows, 2046 columns and 6088 nonzeros Presolve removed 22 rows and 30 columns Presolve time: 0.01s Presolved: 6 rows, 2016 columns, 4030 nonzeros Variable types: 2016 continuous, 0 integer (0 binary) Root relaxation: objective 5.497312e+03, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5497.31217 0 1 - 5497.31217 - - 0s 0 2 5497.31217 0 1 - 5497.31217 - - 0s * 20 2 10 5503.9234267 5503.92343 0.0% 1.1 0s Explored 21 nodes (27 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.503923426738e+03, best bound 5.503923426738e+03, gap 0.0%