Build (method = -2) #dp: 1891 Step-3' Graph: 58 vertices and 721 arcs (0.01s) Step-4' Graph: 55 vertices and 715 arcs (0.01s) #V4/#V3 = 0.95 #A4/#A3 = 0.99 Ready! (0.01s) Optimize a model with 130 rows, 716 columns and 2046 nonzeros Presolve removed 49 rows and 56 columns Presolve time: 0.01s Presolved: 81 rows, 660 columns, 1882 nonzeros Variable types: 0 continuous, 660 integer (210 binary) Found heuristic solution: objective 184.0000000 Found heuristic solution: objective 167.0000000 Optimize a model with 81 rows, 660 columns and 1882 nonzeros Presolved: 81 rows, 660 columns, 1882 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 9.960e+02 Factor NZ : 1.937e+03 Factor Ops : 6.492e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.16767376e+03 -3.47346300e+03 9.42e+03 1.65e-01 3.67e+01 0s 1 5.89634147e+02 -1.23139844e+03 1.24e+03 1.89e-15 5.38e+00 0s 2 2.09023264e+02 -3.84275768e+02 7.65e+01 4.16e-15 6.44e-01 0s 3 1.58924339e+02 8.34610965e+00 1.02e+01 2.44e-15 1.29e-01 0s 4 1.38540078e+02 6.08875468e+01 1.06e+00 3.00e-15 5.93e-02 0s 5 1.31563870e+02 9.76913006e+01 3.55e-01 1.89e-15 2.56e-02 0s 6 1.27120183e+02 1.20331192e+02 1.11e-01 1.84e-15 5.17e-03 0s 7 1.25400950e+02 1.24473452e+02 2.97e-02 2.45e-15 7.22e-04 0s 8 1.25001798e+02 1.24990073e+02 8.65e-05 2.33e-15 8.84e-06 0s 9 1.25000000e+02 1.25000000e+02 1.07e-09 2.25e-15 1.21e-10 0s 10 1.25000000e+02 1.25000000e+02 3.98e-12 2.02e-15 1.21e-13 0s Barrier solved model in 10 iterations and 0.01 seconds Optimal objective 1.25000000e+02 Root relaxation: objective 1.250000e+02, 237 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 125.0000000 125.00000 0.0% - 0s Explored 0 nodes (237 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.250000000000e+02, best bound 1.250000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.03 seconds Total run time: 0.05 seconds Objective: 125 Solution: 2 x [75] 3 x [74] 5 x [73] 2 x [72] 3 x [71] 1 x [70] 2 x [69] 2 x [68] 3 x [67] 3 x [66] 2 x [65] 4 x [64] 2 x [63] 1 x [62] 2 x [61] 1 x [60] 4 x [59] 1 x [58] 1 x [57] 4 x [1, 56] 2 x [2, 55] 3 x [3, 54] 4 x [1, 53] 2 x [5, 52] 1 x [2, 51] 3 x [50] 2 x [49] 1 x [9, 49] 2 x [7, 48] 1 x [1, 48] 2 x [4, 47] 2 x [11, 46] 1 x [10, 46] 2 x [6, 46] 3 x [12, 45] 4 x [12, 44] 5 x [13, 43] 1 x [13, 42] 2 x [16, 41] 2 x [14, 41] 1 x [19, 40] 4 x [18, 40] 2 x [20, 39] 1 x [15, 39] 1 x [21, 38] 2 x [20, 38] 1 x [22, 37] 1 x [20, 37] 1 x [17, 37] 1 x [36] 2 x [23, 35] 1 x [25, 34] 1 x [24, 34] 1 x [14, 34] 1 x [8, 34] 2 x [26, 33] 1 x [22, 33] 1 x [27, 32] 1 x [15, 32] 2 x [28, 31] 2 x [29, 30] 2 x [28, 30]