Build (method = -2) #dp: 1887 Step-3' Graph: 124 vertices and 365 arcs (0.01s) Step-4' Graph: 4 vertices and 125 arcs (0.01s) #V4/#V3 = 0.03 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 66 rows, 126 columns and 374 nonzeros Presolve removed 66 rows and 126 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 5.000000000000e+01, best bound 5.000000000000e+01, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 50 Solution: 1 x [34, 40] 1 x [6, 34] 3 x [5, 36] 2 x [3, 4] 1 x [2, 33] 2 x [1, 52] 2 x [45, 62] 1 x [33, 61] 1 x [32, 60] 1 x [32, 59] 1 x [32, 58] 1 x [31, 57] 2 x [43, 56] 2 x [38, 55] 1 x [31, 54] 2 x [35, 53] 1 x [30, 51] 1 x [30, 50] 3 x [47, 49] 1 x [29, 49] 1 x [29, 48] 1 x [28, 46] 1 x [28, 44] 1 x [28, 42] 1 x [24, 41] 1 x [24, 39] 1 x [23, 37] 1 x [23, 27] 1 x [23, 26] 1 x [22, 25] 1 x [21, 22] 1 x [18, 20] 1 x [18, 19] 1 x [12, 17] 1 x [12, 16] 1 x [10, 15] 1 x [10, 14] 1 x [8, 13] 1 x [8, 11] 1 x [7, 9]