Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:55:48 2012 Optimize a model with 291 rows, 241 columns and 582 nonzeros Presolve removed 259 rows and 212 columns Presolve time: 0.00s Presolved: 32 rows, 29 columns, 64 nonzeros Variable types: 0 continuous, 29 integer (29 binary) Found heuristic solution: objective 136.0000000 Root relaxation: objective 1.385000e+02, 30 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 138.50000 0 21 136.00000 138.50000 1.84% - 0s H 0 0 137.0000000 138.50000 1.09% - 0s H 0 0 138.0000000 138.50000 0.36% - 0s Explored 0 nodes (38 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.380000000000e+02, best bound 1.380000000000e+02, gap 0.0%