Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:41 2013 Optimize a model with 480 rows, 4240 columns and 8820 nonzeros Presolve removed 80 rows and 60 columns Presolve time: 0.02s Presolved: 400 rows, 4180 columns, 8600 nonzeros Variable types: 4100 continuous, 80 integer (80 binary) Root relaxation: objective 3.709539e+04, 364 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 37095.3933 0 4 - 37095.3933 - - 0s H 0 0 37252.786539 37095.3933 0.42% - 0s 0 2 37130.0635 0 1 37252.7865 37130.0635 0.33% - 0s * 5 0 3 37250.989291 37250.9893 0.0% 14.2 0s Explored 6 nodes (435 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.725098929094e+04, best bound 3.725098929094e+04, gap 0.0%