Build (method = -2) #dp: 2370 Step-3' Graph: 134 vertices and 395 arcs (0.01s) Step-4' Graph: 4 vertices and 135 arcs (0.01s) #V4/#V3 = 0.03 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 71 rows, 136 columns and 404 nonzeros Presolve removed 71 rows and 136 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 [28, 44] 1 x [2, 53] 1 x [2, 41] 1 x [30, 67] 1 x [36, 67] 2 x [27, 35] 1 x [34, 66] 1 x [33, 66] 1 x [32, 65] 1 x [31, 65] 1 x [29, 64] 1 x [28, 64] 2 x [18, 26] 1 x [25, 63] 1 x [24, 63] 3 x [7, 23] 1 x [22, 62] 1 x [21, 62] 2 x [14, 20] 2 x [6, 19] 1 x [17, 60] 1 x [16, 60] 1 x [15, 58] 1 x [13, 58] 1 x [12, 57] 1 x [11, 57] 1 x [10, 52] 1 x [9, 52] 1 x [8, 52] 1 x [5, 51] 1 x [4, 51] 1 x [3, 49] 1 x [1, 49] 1 x [49, 61] 1 x [46, 59] 1 x [46, 56] 1 x [43, 55] 1 x [43, 54] 1 x [42, 50] 1 x [42, 48] 1 x [39, 47] 1 x [39, 45] 1 x [39, 40] 1 x [37, 38]