Build (method = -2) #dp: 2165 Step-3' Graph: 129 vertices and 379 arcs (0.01s) Step-4' Graph: 4 vertices and 129 arcs (0.01s) #V4/#V3 = 0.03 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 68 rows, 130 columns and 387 nonzeros Presolve removed 68 rows and 130 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 [24, 63] 1 x [23, 58] 2 x [5, 22] 1 x [21, 50] 2 x [12, 20] 1 x [20, 62] 1 x [19, 49] 1 x [18, 46] 1 x [17, 45] 1 x [16, 44] 1 x [15, 42] 1 x [14, 40] 1 x [13, 38] 2 x [11, 60] 2 x [10, 47] 1 x [9, 36] 1 x [8, 34] 2 x [7, 33] 3 x [6, 50] 2 x [4, 61] 1 x [3, 31] 1 x [2, 30] 1 x [1, 26] 1 x [25, 64] 1 x [59, 60] 1 x [57, 58] 1 x [50, 56] 1 x [49, 55] 1 x [47, 54] 1 x [46, 53] 1 x [45, 52] 1 x [44, 51] 1 x [42, 48] 1 x [40, 43] 1 x [38, 41] 1 x [36, 39] 1 x [34, 37] 1 x [33, 35] 1 x [31, 32] 1 x [29, 30] 1 x [26, 28] 1 x [25, 27]