Build (method = -2) #dp: 1781 Step-3' Graph: 118 vertices and 346 arcs (0.01s) Step-4' Graph: 4 vertices and 118 arcs (0.01s) #V4/#V3 = 0.03 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 62 rows, 119 columns and 354 nonzeros Presolve removed 62 rows and 119 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 [1, 24] 1 x [24, 54] 2 x [3, 23] 2 x [22, 53] 1 x [21, 58] 2 x [20, 55] 4 x [19, 25] 2 x [18, 41] 1 x [17, 53] 2 x [16, 39] 1 x [15, 52] 1 x [14, 49] 1 x [13, 46] 2 x [4, 12] 1 x [11, 43] 2 x [3, 10] 1 x [9, 37] 2 x [2, 8] 1 x [7, 36] 1 x [6, 32] 1 x [5, 28] 1 x [1, 51] 1 x [50, 58] 1 x [26, 57] 1 x [25, 56] 1 x [48, 55] 1 x [47, 53] 1 x [45, 52] 1 x [44, 49] 1 x [42, 46] 1 x [40, 43] 1 x [38, 41] 1 x [35, 39] 1 x [34, 37] 1 x [33, 36] 1 x [31, 32] 1 x [28, 30] 1 x [26, 29] 1 x [25, 27]