Build (method = -2) #dp: 1570 Step-3' Graph: 68 vertices and 290 arcs (0.01s) Step-4' Graph: 4 vertices and 162 arcs (0.01s) #V4/#V3 = 0.06 #A4/#A3 = 0.56 Ready! (0.01s) Optimize a model with 84 rows, 163 columns and 486 nonzeros Presolve removed 84 rows and 163 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 7.490000000000e+02, best bound 7.490000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 749 Solution: 2 x [38, 58] 5 x [58, 80] 9 x [45, 48] 8 x [4, 38] 15 x [17, 18] 31 x [9, 71] 3 x [50, 54] 18 x [43, 44] 33 x [37, 68] 27 x [22, 33] 1 x [40, 47] 14 x [21, 40] 22 x [28, 36] 16 x [26, 35] 29 x [54, 79] 11 x [72, 75] 1 x [34, 75] 28 x [62, 73] 29 x [23, 42] 33 x [34, 39] 1 x [7, 15] 7 x [5, 70] 24 x [53, 60] 21 x [30, 57] 6 x [12, 32] 3 x [32, 66] 21 x [61, 64] 19 x [59, 65] 29 x [20, 56] 18 x [10, 29] 11 x [1, 49] 3 x [1, 33] 19 x [14, 31] 1 x [61, 74] 5 x [28, 74] 5 x [51, 74] 5 x [60, 74] 1 x [16, 35] 33 x [3, 24] 4 x [55, 67] 1 x [19, 55] 4 x [46, 55] 3 x [55, 65] 2 x [11, 23] 2 x [11, 73] 2 x [11, 71] 1 x [3, 11] 30 x [66, 69] 21 x [19, 63] 23 x [41, 51] 17 x [25, 77] 32 x [13, 78] 2 x [6, 52] 2 x [6, 44] 1 x [6, 47] 19 x [2, 7] 2 x [8, 29] 2 x [8, 13] 2 x [8, 20] 2 x [8, 68] 2 x [8, 30] 2 x [8, 31] 2 x [8, 76] 1 x [8, 77] 1 x [27, 34]