Build (method = -2) #dp: 1126 Step-3' Graph: 157 vertices and 464 arcs (0.01s) Step-4' Graph: 24 vertices and 198 arcs (0.01s) #V4/#V3 = 0.15 #A4/#A3 = 0.43 Ready! (0.01s) Optimize a model with 144 rows, 199 columns and 553 nonzeros Presolve removed 114 rows and 124 columns Presolve time: 0.00s Presolved: 30 rows, 75 columns, 195 nonzeros Variable types: 0 continuous, 75 integer (0 binary) Found heuristic solution: objective 5233.0000000 Found heuristic solution: objective 5122.0000000 Optimize a model with 30 rows, 75 columns and 195 nonzeros Presolved: 30 rows, 75 columns, 195 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.110e+02 Factor NZ : 3.330e+02 Factor Ops : 4.511e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.39061503e+03 1.17914457e+03 3.22e+03 1.11e-16 1.05e+02 0s 1 5.42517002e+03 3.58333387e+03 3.27e+02 4.44e-16 1.68e+01 0s 2 5.15836941e+03 4.63956424e+03 4.83e+00 5.77e-15 3.28e+00 0s 3 5.08207671e+03 5.01266964e+03 1.70e-01 6.66e-16 4.34e-01 0s 4 5.07020083e+03 5.06085828e+03 3.74e-02 4.44e-16 5.85e-02 0s 5 5.06746482e+03 5.06663075e+03 5.42e-04 3.44e-16 5.21e-03 0s 6 5.06733338e+03 5.06733319e+03 1.19e-07 3.33e-16 1.24e-06 0s 7 5.06733333e+03 5.06733333e+03 1.14e-13 1.29e-16 1.32e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 5.06733333e+03 Root relaxation: objective 5.067333e+03, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5067.33333 0 5 5122.00000 5067.33333 1.07% - 0s H 0 0 5068.0000000 5067.33333 0.01% - 0s Explored 0 nodes (27 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.068000000000e+03, best bound 5.068000000000e+03, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 5068 Solution: 24 x [36] 86 x [99] 27 x [2] 10 x [17] 78 x [46] 35 x [16] 52 x [57] 27 x [72] 50 x [11] 87 x [44] 72 x [100] 35 x [48] 62 x [18] 59 x [79] 41 x [81] 30 x [74] 14 x [20] 64 x [25] 86 x [47] 92 x [89] 91 x [111] 42 x [71] 90 x [115] 9 x [39, 93] 42 x [93, 96] 8 x [12] 14 x [94, 112] 16 x [65, 94] 54 x [21] 28 x [7] 61 x [73] 49 x [15] 3 x [92] 50 x [8] 98 x [66] 50 x [23] 92 x [30] 2 x [31] 17 x [117] 93 x [56] 12 x [61] 43 x [78] 94 x [105] 43 x [55] 17 x [68] 10 x [33, 113] 5 x [33, 112] 71 x [5] 77 x [6] 80 x [83] 31 x [43] 3 x [84] 50 x [91] 35 x [106] 7 x [120] 11 x [58, 69, 96] 4 x [51] 11 x [109] 34 x [24] 39 x [54] 45 x [107] 14 x [34, 118] 63 x [34, 63] 3 x [103] 83 x [103, 104] 4 x [114, 118] 1 x [52, 114] 1 x [112, 114] 87 x [88] 6 x [88, 96] 46 x [27] 9 x [119] 76 x [80] 45 x [38] 78 x [86] 55 x [95] 16 x [108] 39 x [39, 67, 112] 15 x [28] 81 x [49] 61 x [9] 98 x [29] 13 x [75] 2 x [87] 1 x [118] 2 x [101] 14 x [52] 4 x [65, 112, 113] 9 x [45] 19 x [85] 97 x [50] 43 x [1] 20 x [37] 24 x [41] 25 x [62] 17 x [76] 93 x [42] 55 x [82] 57 x [22] 21 x [32] 77 x [40] 76 x [53] 22 x [26] 25 x [13] 25 x [116] 30 x [90] 29 x [97] 39 x [77] 49 x [19] 18 x [110] 30 x [3] 72 x [14] 57 x [10] 45 x [98] 17 x [4] 33 x [35] 70 x [70] 50 x [102] 84 x [59] 54 x [60] 89 x [64] 18 x [69]