Build (method = -2) #dp: 139 Step-3' Graph: 20 vertices and 75 arcs (0.00s) Step-4' Graph: 13 vertices and 61 arcs (0.00s) #V4/#V3 = 0.65 #A4/#A3 = 0.81 Ready! (0.00s) Optimize a model with 32 rows, 62 columns and 166 nonzeros Presolve removed 29 rows and 57 columns Presolve time: 0.00s Presolved: 3 rows, 5 columns, 10 nonzeros Variable types: 0 continuous, 5 integer (2 binary) Found heuristic solution: objective 148.0000000 Optimize a model with 3 rows, 5 columns and 10 nonzeros Presolve removed 0 rows and 5 columns Root relaxation: infeasible, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.480000000000e+02, best bound 1.480000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 148 Solution: 12 x [15] 2 x [17] 17 x [1] 14 x [5] 12 x [4] 5 x [12] 1 x [14] 3 x [3, 6] 13 x [6, 11] 4 x [2, 3] 1 x [9] 9 x [9, 18] 1 x [8, 9] 1 x [8, 8, 9] 32 x [19] 6 x [10, 19] 13 x [13, 16] 1 x [7, 16] 1 x [7]