Build (method = -2) #dp: 1550 Step-3' Graph: 263 vertices and 782 arcs (0.02s) Step-4' Graph: 65 vertices and 386 arcs (0.02s) #V4/#V3 = 0.25 #A4/#A3 = 0.49 Ready! (0.02s) Optimize a model with 185 rows, 387 columns and 1035 nonzeros Presolve removed 103 rows and 119 columns Presolve time: 0.00s Presolved: 82 rows, 268 columns, 700 nonzeros Variable types: 0 continuous, 268 integer (11 binary) Found heuristic solution: objective 5823.0000000 Found heuristic solution: objective 5437.0000000 Optimize a model with 82 rows, 268 columns and 700 nonzeros Presolved: 82 rows, 268 columns, 700 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.140e+02 Factor NZ : 1.318e+03 Factor Ops : 2.417e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.30837438e+04 -3.49319137e+04 8.30e+04 9.96e-02 6.77e+02 0s 1 1.07844309e+04 -9.74271755e+03 9.94e+03 6.66e-16 9.46e+01 0s 2 6.29345981e+03 6.44475507e+02 9.54e+02 4.77e-15 1.43e+01 0s 3 5.52638863e+03 3.70130033e+03 1.88e+02 1.55e-15 3.72e+00 0s 4 5.31474273e+03 4.69166690e+03 5.14e+01 6.66e-16 1.19e+00 0s 5 5.25382312e+03 5.09399738e+03 1.65e+01 2.26e-16 3.02e-01 0s 6 5.23604809e+03 5.22955391e+03 1.98e+00 4.44e-16 1.33e-02 0s 7 5.23316782e+03 5.23291363e+03 1.17e-01 4.44e-16 5.40e-04 0s 8 5.23300022e+03 5.23299991e+03 5.45e-13 3.33e-16 5.57e-07 0s 9 5.23300000e+03 5.23300000e+03 7.46e-13 5.55e-16 5.62e-13 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 5.23300000e+03 Root relaxation: objective 5.233000e+03, 172 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5233.0000000 5233.00000 0.0% - 0s Explored 0 nodes (172 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.233000000000e+03, best bound 5.233000000000e+03, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.01 seconds Total run time: 0.04 seconds Objective: 5233 Solution: 17 x [49] 99 x [64] 68 x [106] 84 x [112] 25 x [10] 13 x [25] 94 x [7] 56 x [40] 68 x [91] 29 x [82] 75 x [103] 73 x [85] 21 x [88] 31 x [94] 98 x [34] 47 x [79] 95 x [100] 29 x [22] 4 x [16] 93 x [46] 71 x [31] 100 x [75] 48 x [28] 27 x [19] 84 x [61] 89 x [109] 50 x [4] 10 x [30] 46 x [99] 30 x [63] 46 x [73] 15 x [118] 46 x [21] 36 x [55] 88 x [72] 76 x [39] 83 x [6] 35 x [78] 16 x [111] 90 x [48] 55 x [33] 86 x [102] 54 x [15] 6 x [26, 76, 120] 36 x [76, 120] 67 x [24] 15 x [96] 69 x [87] 18 x [110] 36 x [117] 53 x [18] 21 x [36] 26 x [60] 75 x [17] 1 x [77] 90 x [2] 23 x [90] 77 x [105] 80 x [56] 13 x [84] 10 x [69] 21 x [115] 49 x [52, 115] 5 x [113, 115] 29 x [93] 7 x [42] 55 x [54] 29 x [35] 44 x [98] 78 x [116] 11 x [9] 63 x [104] 96 x [92] 49 x [43, 67] 18 x [13, 67] 85 x [8] 34 x [23] 52 x [12] 71 x [95] 44 x [29] 81 x [47] 14 x [41] 18 x [80] 82 x [108] 24 x [114] 48 x [66] 73 x [74] 7 x [119] 18 x [20, 43] 1 x [1] 13 x [57] 69 x [57, 97] 31 x [14] 36 x [14, 44] 58 x [26, 32, 89] 13 x [89, 120] 4 x [70] 20 x [81] 33 x [58, 81] 82 x [45] 30 x [3] 5 x [3, 113] 76 x [38] 10 x [38, 59] 2 x [38, 68, 120] 1 x [38, 68] 26 x [50] 54 x [50, 58] 5 x [53] 50 x [37, 83, 86] 5 x [101] 43 x [71, 101, 113] 11 x [51] 15 x [5, 51] 74 x [51, 59] 48 x [20] 4 x [20, 65] 23 x [62] 2 x [62, 65] 13 x [27, 65, 83] 27 x [83, 86] 2 x [65, 83] 25 x [11, 65] 1 x [27, 107]