Build (method = -2) #dp: 418 Step-3' Graph: 21 vertices and 116 arcs (0.00s) Step-4' Graph: 4 vertices and 82 arcs (0.00s) #V4/#V3 = 0.19 #A4/#A3 = 0.71 Ready! (0.00s) Optimize a model with 44 rows, 83 columns and 246 nonzeros Presolve removed 44 rows and 83 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 9.000000000000e+01, best bound 9.000000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 90 Solution: 2 x [3, 36] 4 x [17, 36] 1 x [24, 37] 3 x [24, 34] 5 x [34, 39] 5 x [15, 25] 8 x [20, 38] 7 x [7, 18] 5 x [8, 14] 2 x [12, 15] 3 x [4, 29] 2 x [5, 11] 2 x [5, 33] 2 x [16, 31] 1 x [22, 27] 9 x [6, 32] 2 x [1, 22] 2 x [22, 26] 1 x [9, 35] 2 x [7, 9] 8 x [2, 13] 1 x [19, 30] 1 x [30, 40] 1 x [30, 38] 1 x [28, 30] 7 x [23, 40] 1 x [6, 21] 1 x [13, 21] 1 x [10, 21]