Build (method = -2) #dp: 3459 Step-3' Graph: 164 vertices and 485 arcs (0.02s) Step-4' Graph: 4 vertices and 165 arcs (0.02s) #V4/#V3 = 0.02 #A4/#A3 = 0.34 Ready! (0.02s) Optimize a model with 86 rows, 166 columns and 494 nonzeros Presolve removed 86 rows and 166 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 [5, 22] 1 x [4, 22] 1 x [8, 68] 1 x [68, 81] 1 x [2, 41] 1 x [41, 52] 1 x [45, 77] 1 x [45, 76] 1 x [35, 74] 1 x [30, 35] 1 x [23, 69] 1 x [23, 75] 1 x [20, 59] 1 x [28, 58] 1 x [15, 57] 1 x [15, 55] 1 x [51, 67] 1 x [50, 67] 1 x [66, 70] 1 x [47, 70] 1 x [64, 71] 1 x [42, 63] 1 x [37, 63] 1 x [36, 62] 1 x [61, 65] 1 x [25, 61] 1 x [18, 60] 1 x [17, 53] 1 x [16, 53] 1 x [1, 49] 1 x [10, 48] 1 x [9, 40] 1 x [7, 40] 1 x [6, 40] 1 x [3, 39] 1 x [38, 82] 1 x [38, 80] 1 x [34, 79] 1 x [32, 78] 1 x [31, 73] 1 x [29, 72] 1 x [27, 56] 1 x [27, 54] 1 x [21, 46] 1 x [21, 44] 1 x [19, 43] 1 x [19, 33] 1 x [14, 26] 1 x [13, 24] 1 x [11, 12]