Build (method = -2) #dp: 921 Step-3' Graph: 44 vertices and 174 arcs (0.00s) Step-4' Graph: 24 vertices and 134 arcs (0.00s) #V4/#V3 = 0.55 #A4/#A3 = 0.77 Ready! (0.00s) Optimize a model with 95 rows, 135 columns and 362 nonzeros Presolve removed 55 rows and 58 columns Presolve time: 0.00s Presolved: 40 rows, 77 columns, 192 nonzeros Variable types: 0 continuous, 77 integer (0 binary) Found heuristic solution: objective 484.0000000 Found heuristic solution: objective 360.0000000 Optimize a model with 40 rows, 77 columns and 192 nonzeros Presolve removed 0 rows and 39 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 3.600000000000e+02, best bound 3.600000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 360 Solution: 7 x [71] 5 x [70] 9 x [69] 4 x [68] 4 x [67] 8 x [66] 14 x [65] 6 x [64] 6 x [63] 7 x [62] 12 x [61] 5 x [60] 7 x [59] 11 x [58] 8 x [57] 10 x [56] 1 x [55] 6 x [54] 7 x [53] 5 x [52] 10 x [51] 6 x [50] 6 x [49] 6 x [48] 3 x [47] 5 x [46] 6 x [45] 9 x [44] 10 x [43] 9 x [42] 8 x [1, 41] 5 x [2, 40] 11 x [3, 39] 7 x [4, 38] 2 x [2, 38] 7 x [5, 37] 4 x [6, 36] 1 x [5, 36] 1 x [3, 36] 1 x [2, 36] 5 x [7, 35] 6 x [8, 34] 3 x [9, 33] 1 x [8, 33] 3 x [7, 33] 6 x [10, 32] 7 x [11, 31] 8 x [12, 30] 4 x [13, 29] 7 x [14, 28] 8 x [15, 27] 3 x [16, 26] 3 x [15, 26] 1 x [11, 26] 2 x [10, 26] 8 x [25] 4 x [17, 25] 5 x [18, 24] 4 x [19, 23] 2 x [18, 23] 5 x [20, 22] 5 x [21, 21] 1 x [18, 18]