Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:50 2013 Optimize a model with 28 rows, 446 columns and 1288 nonzeros Presolve removed 22 rows and 23 columns Presolve time: 0.00s Presolved: 6 rows, 423 columns, 844 nonzeros Variable types: 423 continuous, 0 integer (0 binary) Root relaxation: objective 5.737611e+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 5737.61109 0 1 - 5737.61109 - - 0s 0 2 5737.61109 0 1 - 5737.61109 - - 0s * 14 2 7 5753.9375648 5753.93756 0.0% 1.1 0s Explored 15 nodes (21 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.753937564786e+03, best bound 5.753937564786e+03, gap 0.0%