Optimize a model with 7 rows, 21 columns and 42 nonzeros Presolve time: 0.00s Presolved: 7 rows, 21 columns, 42 nonzeros Variable types: 0 continuous, 21 integer (15 binary) Found heuristic solution: objective 137.0000000 Root relaxation: cutoff, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 137.00000 136.00014 0.73% - 0s Explored 0 nodes (4 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.370000000000e+02, best bound 1.370000000000e+02, gap 0.0% Gurobi 5.0.1 (linux64) logging started Fri Dec 7 08:09:03 2012