Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:40 2013 Optimize a model with 428 rows, 1244 columns and 3282 nonzeros Presolve removed 399 rows and 1152 columns Presolve time: 0.03s Presolved: 29 rows, 92 columns, 184 nonzeros Variable types: 69 continuous, 23 integer (23 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 0 5753.91288 0 2 - 5753.91288 - - 0s 0 0 5753.91300 0 2 - 5753.91300 - - 0s 0 0 5753.93418 0 2 - 5753.93418 - - 0s H 0 0 5753.9375648 5753.93418 0.00% - 0s Cutting planes: Cover: 1 Implied bound: 1 Flow cover: 1 Explored 0 nodes (17 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.753937564787e+03, best bound 5.753934176862e+03, gap 0.0001%