Build (method = -2) #dp: 1112 Step-3' Graph: 92 vertices and 269 arcs (0.01s) Step-4' Graph: 4 vertices and 93 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.35 Ready! (0.01s) Optimize a model with 50 rows, 94 columns and 278 nonzeros Presolve removed 50 rows and 94 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 2.500000000000e+01, best bound 2.500000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 25 Solution: 1 x [27, 32] 1 x [27, 29] 1 x [9, 28] 1 x [9, 24] 1 x [23, 42] 1 x [21, 41] 1 x [20, 40] 1 x [19, 39] 1 x [14, 35] 1 x [35, 36] 1 x [5, 33] 1 x [4, 31] 1 x [1, 26] 1 x [25, 46] 1 x [18, 45] 1 x [15, 44] 1 x [12, 43] 1 x [11, 38] 1 x [10, 37] 1 x [8, 34] 1 x [7, 30] 1 x [7, 22] 1 x [6, 17] 1 x [3, 16] 1 x [2, 13]