Build (method = -2) #dp: 3751 Step-3' Graph: 180 vertices and 533 arcs (0.02s) Step-4' Graph: 4 vertices and 181 arcs (0.02s) #V4/#V3 = 0.02 #A4/#A3 = 0.34 Ready! (0.02s) Optimize a model with 94 rows, 182 columns and 542 nonzeros Presolve removed 94 rows and 182 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 6.000000000000e+01, best bound 6.000000000000e+01, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.00 seconds Total run time: 0.03 seconds Objective: 60 Solution: 1 x [74, 90] 1 x [74, 89] 1 x [67, 88] 1 x [67, 87] 1 x [58, 86] 1 x [57, 85] 1 x [55, 84] 1 x [42, 83] 1 x [42, 82] 1 x [41, 81] 1 x [41, 80] 1 x [34, 79] 1 x [34, 78] 1 x [34, 77] 1 x [32, 76] 1 x [30, 75] 1 x [30, 73] 1 x [28, 72] 1 x [28, 71] 1 x [24, 70] 1 x [24, 69] 1 x [24, 68] 1 x [24, 66] 1 x [22, 65] 1 x [22, 64] 1 x [21, 63] 1 x [21, 62] 1 x [18, 61] 1 x [17, 60] 1 x [17, 59] 1 x [16, 56] 1 x [16, 54] 1 x [16, 53] 1 x [15, 52] 1 x [15, 51] 1 x [14, 50] 1 x [14, 49] 1 x [12, 48] 1 x [10, 47] 1 x [10, 46] 1 x [9, 45] 1 x [9, 44] 1 x [8, 43] 1 x [8, 40] 1 x [8, 39] 1 x [8, 38] 1 x [7, 37] 1 x [7, 36] 1 x [6, 35] 1 x [5, 33] 1 x [5, 31] 1 x [5, 29] 1 x [4, 27] 1 x [4, 26] 1 x [3, 25] 1 x [3, 23] 1 x [2, 20] 1 x [2, 19] 1 x [2, 13] 1 x [1, 11]