Build (method = -2) #dp: 1182 Step-3' Graph: 95 vertices and 277 arcs (0.01s) Step-4' Graph: 4 vertices and 95 arcs (0.01s) #V4/#V3 = 0.04 #A4/#A3 = 0.34 Ready! (0.01s) Optimize a model with 51 rows, 96 columns and 285 nonzeros Presolve removed 51 rows and 96 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: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 60 Solution: 1 x [33, 47] 1 x [32, 46] 1 x [17, 46] 3 x [26, 45] 4 x [27, 44] 1 x [16, 44] 1 x [14, 43] 4 x [22, 42] 1 x [12, 42] 2 x [1, 41] 3 x [25, 40] 1 x [8, 39] 4 x [9, 38] 4 x [4, 38] 2 x [24, 37] 3 x [18, 36] 1 x [6, 35] 2 x [21, 34] 3 x [10, 33] 1 x [17, 31] 3 x [7, 31] 3 x [3, 30] 2 x [20, 29] 3 x [2, 28] 1 x [16, 23] 1 x [14, 19] 1 x [12, 15] 1 x [8, 13] 1 x [6, 11] 1 x [1, 5]