Build (method = -2) #dp: 614 Step-3' Graph: 67 vertices and 194 arcs (0.00s) Step-4' Graph: 4 vertices and 68 arcs (0.00s) #V4/#V3 = 0.06 #A4/#A3 = 0.35 Ready! (0.00s) Optimize a model with 37 rows, 69 columns and 203 nonzeros Presolve removed 37 rows and 69 columns Presolve time: 0.00s 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 2.900000000000e+01, best bound 2.900000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 29 Solution: 3 x [14, 16] 1 x [10, 20] 1 x [9, 21] 2 x [2, 7] 1 x [1, 5] 2 x [3, 22] 2 x [6, 21] 1 x [5, 28] 1 x [15, 31] 3 x [17, 20] 2 x [18, 32] 1 x [19, 31] 1 x [24, 33] 1 x [29, 33] 1 x [23, 27] 1 x [12, 27] 1 x [8, 26] 1 x [25, 26] 1 x [13, 30] 1 x [11, 13] 1 x [4]