Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:01:15 2013 Optimize a model with 129 rows, 81 columns and 405 nonzeros Presolve removed 92 rows and 53 columns Presolve time: 0.00s Presolved: 37 rows, 28 columns, 122 nonzeros Variable types: 2 continuous, 26 integer (26 binary) Found heuristic solution: objective 1268.0000000 Root relaxation: objective 1.140857e+03, 2 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1140.85714 0 1 1268.00000 1140.85714 10.0% - 0s H 0 0 1146.0000000 1140.85714 0.45% - 0s * 0 0 0 1142.0000000 1142.00000 0.0% - 0s Cutting planes: MIR: 1 Explored 0 nodes (3 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.142000000000e+03, best bound 1.142000000000e+03, gap 0.0%