Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:43 2012 Optimize a model with 267 rows, 219 columns and 534 nonzeros Presolve removed 227 rows and 186 columns Presolve time: 0.00s Presolved: 40 rows, 33 columns, 80 nonzeros Variable types: 0 continuous, 33 integer (33 binary) Found heuristic solution: objective 125.0000000 Root relaxation: objective 1.265000e+02, 37 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 126.50000 0 33 125.00000 126.50000 1.20% - 0s H 0 0 126.0000000 126.50000 0.40% - 0s Explored 0 nodes (42 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.260000000000e+02, best bound 1.260000000000e+02, gap 0.0%