Build (method = -2) #dp: 620 Step-3' Graph: 13 vertices and 135 arcs (0.00s) Step-4' Graph: 8 vertices and 125 arcs (0.00s) #V4/#V3 = 0.62 #A4/#A3 = 0.93 Ready! (0.00s) Optimize a model with 88 rows, 126 columns and 367 nonzeros Presolve removed 54 rows and 57 columns Presolve time: 0.00s Presolved: 34 rows, 69 columns, 195 nonzeros Variable types: 0 continuous, 69 integer (2 binary) Found heuristic solution: objective 397.0000000 Found heuristic solution: objective 295.0000000 Found heuristic solution: objective 283.0000000 Optimize a model with 34 rows, 69 columns and 195 nonzeros Presolved: 34 rows, 69 columns, 195 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.500e+01 Factor NZ : 5.050e+02 Factor Ops : 1.044e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.89711623e+03 -9.51990169e+02 9.05e+01 1.11e-16 4.97e+01 0s 1 5.13610124e+02 -1.60416100e+02 6.93e+00 3.33e-16 6.02e+00 0s 2 3.18321260e+02 1.59930371e+02 1.92e-01 4.33e-15 9.78e-01 0s 3 2.68992661e+02 2.49235953e+02 2.73e-03 8.88e-16 1.19e-01 0s 4 2.64605044e+02 2.64314873e+02 7.82e-14 3.33e-16 1.75e-03 0s 5 2.64500000e+02 2.64499998e+02 1.21e-13 4.44e-16 1.20e-08 0s 6 2.64500000e+02 2.64500000e+02 7.11e-14 3.33e-16 1.22e-14 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.64500000e+02 Root relaxation: objective 2.645000e+02, 33 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 264.50000 0 2 283.00000 264.50000 6.54% - 0s H 0 0 265.0000000 264.50000 0.19% - 0s Explored 0 nodes (33 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.650000000000e+02, best bound 2.650000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 265 Solution: 5 x [65] 3 x [60] 10 x [44] 8 x [12] 2 x [6] 9 x [77] 3 x [22, 69] 2 x [61, 74] 10 x [53] 5 x [22, 42] 8 x [24] 9 x [23] 1 x [13, 54] 2 x [45, 80] 7 x [54, 70] 1 x [59, 66] 5 x [21, 41] 2 x [20, 40] 3 x [39, 73] 1 x [26, 64] 6 x [14, 28] 5 x [21, 76] 8 x [58] 4 x [5, 51] 2 x [43, 79] 1 x [43, 71] 5 x [11, 38] 7 x [36, 37] 4 x [31] 1 x [31, 47] 1 x [30, 34] 2 x [27, 78] 10 x [15] 6 x [1, 10] 1 x [2, 16] 10 x [72] 1 x [18, 68] 4 x [4, 68] 3 x [63, 75] 1 x [17, 63] 10 x [55] 8 x [50, 56] 9 x [46] 10 x [35] 6 x [18, 33] 1 x [32, 37] 8 x [29, 34] 5 x [19, 48] 1 x [19, 28] 1 x [8, 62] 1 x [8, 11] 7 x [7, 67] 8 x [49, 57] 7 x [3, 52] 2 x [25, 49] 1 x [25] 2 x [9, 25]