Build (method = -2) #dp: 3047 Step-3' Graph: 155 vertices and 458 arcs (0.02s) Step-4' Graph: 4 vertices and 156 arcs (0.02s) #V4/#V3 = 0.03 #A4/#A3 = 0.34 Ready! (0.02s) Optimize a model with 81 rows, 157 columns and 467 nonzeros Presolve removed 81 rows and 157 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: 0.03 seconds Gurobi run time: 0.00 seconds Total run time: 0.03 seconds Objective: 50 Solution: 1 x [49, 54] 1 x [48, 54] 1 x [47, 54] 1 x [44, 58] 1 x [43, 44] 1 x [42, 44] 1 x [8, 10] 1 x [8, 35] 1 x [22, 33] 1 x [22, 62] 1 x [4, 65] 1 x [4, 34] 1 x [4, 25] 1 x [4, 31] 1 x [1, 21] 1 x [20, 75] 1 x [19, 75] 1 x [16, 74] 1 x [15, 74] 1 x [7, 70] 1 x [13, 70] 1 x [9, 66] 1 x [6, 66] 1 x [5, 59] 1 x [3, 57] 1 x [2, 57] 1 x [52, 77] 1 x [51, 76] 1 x [51, 73] 1 x [51, 72] 1 x [46, 71] 1 x [46, 69] 1 x [39, 68] 1 x [38, 67] 1 x [37, 64] 1 x [37, 63] 1 x [37, 61] 1 x [37, 60] 1 x [32, 56] 1 x [32, 55] 1 x [29, 53] 1 x [26, 50] 1 x [23, 45] 1 x [18, 41] 1 x [17, 40] 1 x [14, 36] 1 x [12, 30] 1 x [12, 28] 1 x [12, 27] 1 x [11, 24]