Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:49 2012 Optimize a model with 289 rows, 244 columns and 578 nonzeros Presolve removed 275 rows and 231 columns Presolve time: 0.00s Presolved: 14 rows, 13 columns, 28 nonzeros Variable types: 0 continuous, 13 integer (13 binary) Found heuristic solution: objective 138.0000000 Root relaxation: objective 1.395000e+02, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 139.50000 0 13 138.00000 139.50000 1.09% - 0s H 0 0 139.0000000 139.50000 0.36% - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.390000000000e+02, best bound 1.390000000000e+02, gap 0.0%