Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:41 2012 Optimize a model with 220 rows, 209 columns and 440 nonzeros Presolve removed 195 rows and 188 columns Presolve time: 0.00s Presolved: 25 rows, 21 columns, 50 nonzeros Variable types: 0 continuous, 21 integer (21 binary) Found heuristic solution: objective 125.0000000 Root relaxation: objective 1.265000e+02, 22 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 21 125.00000 126.50000 1.20% - 0s H 0 0 126.0000000 126.50000 0.40% - 0s Explored 0 nodes (33 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%