Build (method = -2) #dp: 873 Step-3' Graph: 13 vertices and 179 arcs (0.00s) Step-4' Graph: 8 vertices and 169 arcs (0.00s) #V4/#V3 = 0.62 #A4/#A3 = 0.94 Ready! (0.00s) Optimize a model with 108 rows, 170 columns and 499 nonzeros Presolve removed 53 rows and 59 columns Presolve time: 0.00s Presolved: 55 rows, 111 columns, 321 nonzeros Variable types: 0 continuous, 111 integer (2 binary) Found heuristic solution: objective 527.0000000 Found heuristic solution: objective 302.0000000 Optimize a model with 55 rows, 111 columns and 321 nonzeros Presolved: 55 rows, 111 columns, 321 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.070e+02 Factor NZ : 7.780e+02 Factor Ops : 1.476e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.12418864e+03 -1.53441188e+03 5.82e+01 2.22e-16 3.80e+01 0s 1 6.29164710e+02 -3.49149021e+02 4.45e+00 6.66e-16 5.08e+00 0s 2 3.78206989e+02 1.64865589e+02 2.58e-03 4.44e-16 7.91e-01 0s 3 2.96470163e+02 2.48912508e+02 2.17e-04 2.22e-16 1.76e-01 0s 4 2.91829770e+02 2.87075648e+02 1.54e-05 4.44e-16 1.75e-02 0s 5 2.91000552e+02 2.90998248e+02 6.72e-09 2.22e-16 8.50e-06 0s 6 2.91000000e+02 2.91000000e+02 8.53e-14 3.64e-16 8.71e-12 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 2.91000000e+02 Root relaxation: objective 2.910000e+02, 76 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 291.00000 0 4 302.00000 291.00000 3.64% - 0s H 0 0 292.0000000 291.00000 0.34% - 0s H 0 0 291.0000000 291.00000 0.0% - 0s Explored 0 nodes (76 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.910000000000e+02, best bound 2.910000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 291 Solution: 6 x [97] 2 x [89] 5 x [78] 8 x [76] 6 x [73] 6 x [29] 5 x [18] 7 x [6] 6 x [58, 99] 1 x [34, 83] 2 x [60, 72] 2 x [37, 41] 6 x [35, 50] 4 x [16, 31] 2 x [30, 77] 1 x [16, 30] 6 x [10, 41] 6 x [9, 34] 9 x [4, 25] 10 x [53, 88] 3 x [64, 82] 1 x [63, 65] 5 x [32, 62] 5 x [13, 56] 1 x [42, 64] 8 x [42, 68] 1 x [24, 86] 1 x [24, 84] 1 x [24, 43] 5 x [24, 36] 10 x [20, 59] 1 x [17, 80] 1 x [17, 28] 8 x [51, 98] 5 x [91, 95] 10 x [79, 96] 4 x [33, 49] 7 x [38, 46] 3 x [39, 92] 1 x [39, 75] 8 x [55, 90] 1 x [23, 90] 5 x [61, 87] 4 x [2, 67] 5 x [15, 54] 1 x [8, 48] 6 x [22, 26] 1 x [8, 22] 6 x [14, 19] 8 x [3, 81] 1 x [3, 8] 2 x [47, 100] 6 x [5, 85] 3 x [57, 74] 5 x [70, 71] 1 x [11, 47] 8 x [11, 44] 2 x [5, 44] 1 x [1, 69] 5 x [12, 45] 1 x [66, 75] 1 x [52, 75] 6 x [23, 40] 1 x [23, 33] 1 x [8, 33] 4 x [36, 93] 1 x [7, 36] 10 x [27, 94] 6 x [7, 21]