Build (method = -2) #dp: 3502 Step-3' Graph: 84 vertices and 284 arcs (0.01s) Step-4' Graph: 44 vertices and 204 arcs (0.01s) #V4/#V3 = 0.52 #A4/#A3 = 0.72 Ready! (0.01s) Optimize a model with 125 rows, 205 columns and 532 nonzeros Presolve removed 44 rows and 45 columns Presolve time: 0.00s Presolved: 81 rows, 160 columns, 399 nonzeros Variable types: 0 continuous, 160 integer (1 binary) Found heuristic solution: objective 491.0000000 Found heuristic solution: objective 256.0000000 Optimize a model with 81 rows, 160 columns and 399 nonzeros Presolve removed 0 rows and 80 columns Root relaxation: infeasible, 0 iterations, 0.00 seconds 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 2.560000000000e+02, best bound 2.560000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.03 seconds Objective: 256 Solution: 4 x [1, 81] 3 x [2, 80] 1 x [1, 80] 8 x [2, 79] 5 x [4, 78] 5 x [3, 78] 1 x [5, 77] 1 x [1, 77] 7 x [6, 76] 1 x [7, 75] 9 x [5, 75] 1 x [8, 74] 1 x [6, 74] 5 x [9, 73] 3 x [7, 72] 1 x [11, 71] 5 x [8, 71] 2 x [11, 70] 9 x [10, 70] 2 x [13, 69] 2 x [13, 68] 3 x [15, 67] 7 x [12, 67] 3 x [14, 66] 12 x [17, 65] 1 x [15, 65] 8 x [18, 64] 6 x [19, 63] 1 x [15, 63] 3 x [62] 7 x [20, 62] 2 x [16, 62] 1 x [14, 62] 6 x [21, 61] 1 x [60] 5 x [22, 60] 1 x [21, 60] 4 x [59] 2 x [23, 59] 5 x [24, 58] 1 x [57] 7 x [25, 57] 2 x [56] 1 x [26, 56] 6 x [27, 55] 5 x [28, 54] 7 x [29, 53] 4 x [30, 52] 2 x [28, 52] 1 x [51] 2 x [31, 51] 2 x [27, 51] 5 x [32, 50] 4 x [33, 49] 2 x [32, 48] 8 x [35, 47] 1 x [33, 47] 7 x [34, 46] 1 x [32, 46] 2 x [37, 45] 9 x [36, 45] 2 x [38, 44] 5 x [37, 44] 8 x [39, 43] 1 x [38, 43] 3 x [40, 42] 1 x [40, 41] 2 x [41, 41] 1 x [32, 32]