Build (method = -2) #dp: 2341 Step-3' Graph: 89 vertices and 283 arcs (0.01s) Step-4' Graph: 26 vertices and 157 arcs (0.01s) #V4/#V3 = 0.29 #A4/#A3 = 0.55 Ready! (0.01s) Optimize a model with 93 rows, 158 columns and 426 nonzeros Presolve removed 35 rows and 38 columns Presolve time: 0.00s Presolved: 58 rows, 120 columns, 313 nonzeros Variable types: 0 continuous, 120 integer (5 binary) Found heuristic solution: objective 185.0000000 Found heuristic solution: objective 140.0000000 Found heuristic solution: objective 111.0000000 Optimize a model with 58 rows, 120 columns and 313 nonzeros Presolve removed 1 rows and 1 columns Presolved: 57 rows, 119 columns, 311 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.110e+02 Factor NZ : 8.740e+02 Factor Ops : 1.735e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.49014741e+03 -3.58383957e+03 2.86e+02 2.22e-16 9.87e+01 0s 1 8.76252591e+02 -1.19871929e+03 4.39e+01 8.88e-16 1.62e+01 0s 2 1.71223316e+02 -1.98501022e+02 8.85e-01 1.82e-14 1.47e+00 0s 3 1.18022553e+02 3.61748676e+01 7.62e-03 3.55e-15 3.01e-01 0s 4 1.01172075e+02 9.36806993e+01 2.35e-04 4.72e-16 2.75e-02 0s 5 1.00006854e+02 9.99762171e+01 1.08e-06 6.66e-16 1.13e-04 0s 6 1.00000000e+02 1.00000000e+02 1.19e-12 4.02e-16 1.28e-10 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 56 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 100.0000000 100.00000 0.0% - 0s Explored 0 nodes (56 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.000000000000e+02, best bound 1.000000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 100 Solution: 2 x [18, 67] 2 x [11, 66] 3 x [20, 65] 4 x [23, 64] 3 x [16, 63] 2 x [6, 62] 2 x [27, 61] 2 x [5, 60] 5 x [15, 59] 1 x [7, 58] 3 x [31, 57] 2 x [30, 56] 3 x [9, 55] 6 x [13, 54] 1 x [6, 54] 2 x [33, 53] 1 x [36, 52] 4 x [37, 51] 4 x [32, 50] 3 x [39, 49] 4 x [7, 48] 4 x [2, 47] 5 x [41, 46] 2 x [40, 45] 2 x [44, 44] 2 x [41, 43] 1 x [1, 43] 1 x [4, 42] 5 x [36, 38] 2 x [4, 35] 1 x [32, 34] 1 x [10, 29] 1 x [12, 28] 1 x [17, 26] 4 x [14, 25] 2 x [8, 24] 4 x [19, 22] 3 x [3, 21]