Build (method = -2) #dp: 1657 Step-3' Graph: 94 vertices and 302 arcs (0.01s) Step-4' Graph: 4 vertices and 122 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.40 Ready! (0.01s) Optimize a model with 64 rows, 123 columns and 366 nonzeros Presolve removed 64 rows and 123 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 1.503000000000e+03, best bound 1.503000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 1503 Solution: 13 x [2, 22] 44 x [2, 27] 16 x [18, 38] 97 x [32, 34] 1 x [26, 33] 77 x [25, 33] 2 x [26, 39] 31 x [20, 39] 2 x [22, 44] 48 x [44, 54] 72 x [29, 46] 9 x [19, 36] 68 x [31, 36] 38 x [53, 59] 3 x [6, 15] 89 x [6, 9] 27 x [10, 17] 2 x [15, 28] 93 x [11, 28] 2 x [17, 50] 20 x [43, 50] 3 x [3, 12] 39 x [12, 57] 6 x [44, 58] 35 x [48, 58] 1 x [3, 49] 1 x [44, 49] 79 x [5, 49] 82 x [14, 37] 1 x [14, 15] 58 x [8, 16] 10 x [23, 56] 79 x [23, 35] 65 x [13, 55] 45 x [15, 52] 62 x [47, 60] 23 x [40, 60] 1 x [41, 60] 44 x [7, 42] 3 x [21, 41] 34 x [21, 30] 13 x [4, 24] 4 x [4, 41] 47 x [1, 3] 1 x [16, 51] 1 x [27, 51] 12 x [45, 51]