Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:00 2012 Optimize a model with 120 rows, 64 columns and 240 nonzeros Presolve removed 113 rows and 57 columns Presolve time: 0.00s Presolved: 7 rows, 7 columns, 14 nonzeros Variable types: 0 continuous, 7 integer (7 binary) Found heuristic solution: objective 34.0000000 Root relaxation: cutoff, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 34.00000 34.99996 2.94% - 0s Explored 0 nodes (6 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%