Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:49 2012 Optimize a model with 287 rows, 242 columns and 574 nonzeros Presolve removed 241 rows and 203 columns Presolve time: 0.00s Presolved: 46 rows, 39 columns, 92 nonzeros Variable types: 0 continuous, 39 integer (39 binary) Found heuristic solution: objective 138.0000000 Root relaxation: objective 1.405000e+02, 43 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 140.50000 0 27 138.00000 140.50000 1.81% - 0s H 0 0 139.0000000 140.50000 1.08% - 0s H 0 0 140.0000000 140.50000 0.36% - 0s Explored 0 nodes (74 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.400000000000e+02, best bound 1.400000000000e+02, gap 0.0%