Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:24 2013 Optimize a model with 570 rows, 760 columns and 2505 nonzeros Presolve removed 15 rows and 10 columns Presolve time: 0.02s Presolved: 555 rows, 750 columns, 1990 nonzeros Variable types: 505 continuous, 245 integer (245 binary) Root relaxation: objective 1.291780e+04, 208 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 1 - 12917.7960 - - 0s 0 0 12965.5638 0 2 - 12965.5638 - - 0s H 0 0 12965.575811 12965.5638 0.00% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (257 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296557581144e+04, best bound 1.296556383725e+04, gap 0.0001%