Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:01 2012 Optimize a model with 130 rows, 69 columns and 260 nonzeros Presolve removed 32 rows and 13 columns Presolve time: 0.00s Presolved: 98 rows, 56 columns, 199 nonzeros Variable types: 0 continuous, 56 integer (56 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 3.450000e+01, 70 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34.50000 0 45 32.00000 34.50000 7.81% - 0s H 0 0 34.0000000 34.50000 1.47% - 0s Explored 0 nodes (91 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%