Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:38 2013 Optimize a model with 14 rows, 213 columns and 624 nonzeros Presolve removed 12 rows and 12 columns Presolve time: 0.00s Presolved: 2 rows, 201 columns, 400 nonzeros Variable types: 201 continuous, 0 integer (0 binary) Root relaxation: objective 3.881221e+03, 1 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3881.22128 0 1 - 3881.22128 - - 0s 0 2 3881.22128 0 1 - 3881.22128 - - 0s * 14 0 7 3887.5961657 3887.59617 0.0% 0.6 0s Explored 15 nodes (9 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.887596165724e+03, best bound 3.887596165724e+03, gap 0.0%