Build (method = -2) #dp: 5097 Step-3' Graph: 504 vertices and 1505 arcs (0.11s) Step-4' Graph: 104 vertices and 705 arcs (0.11s) #V4/#V3 = 0.21 #A4/#A3 = 0.47 Ready! (0.11s) Optimize a model with 354 rows, 706 columns and 1914 nonzeros Presolve removed 237 rows and 287 columns Presolve time: 0.01s Presolved: 117 rows, 419 columns, 1111 nonzeros Variable types: 0 continuous, 419 integer (3 binary) Found heuristic solution: objective 11927.000000 Optimize a model with 117 rows, 419 columns and 1111 nonzeros Presolved: 117 rows, 419 columns, 1111 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.400e+02 Factor NZ : 2.269e+03 Factor Ops : 4.940e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.45424083e+04 -2.89834155e+04 7.55e+04 2.22e-16 4.05e+02 0s 1 1.50653893e+04 -8.64522281e+03 1.09e+04 2.41e-14 7.07e+01 0s 2 1.21574933e+04 5.12180787e+03 9.67e+02 1.38e-14 1.08e+01 0s 3 1.17072289e+04 9.63693107e+03 5.24e+01 1.74e-14 2.47e+00 0s 4 1.15040916e+04 1.07624230e+04 1.63e+01 1.93e-14 8.69e-01 0s 5 1.14719573e+04 1.13383921e+04 8.61e+00 1.26e-14 1.58e-01 0s 6 1.14481586e+04 1.14470027e+04 4.65e-02 1.94e-14 1.35e-03 0s 7 1.14480000e+04 1.14480000e+04 6.65e-08 1.34e-14 3.37e-09 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.14480000e+04 Root relaxation: objective 1.144800e+04, 291 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 11448.000000 11448.0000 0.0% - 0s Explored 0 nodes (291 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.144800000000e+04, best bound 1.144800000000e+04, gap 0.0% Preprocessing time: 0.12 seconds Gurobi run time: 0.02 seconds Total run time: 0.14 seconds Objective: 11448 Solution: 76 x [164] 64 x [219] 24 x [7] 74 x [27] 73 x [194] 23 x [22] 38 x [209] 47 x [243] 98 x [13] 85 x [128] 88 x [55] 77 x [114] 82 x [36] 27 x [103] 65 x [191] 28 x [15] 20 x [91] 77 x [157] 95 x [180] 79 x [228] 99 x [241] 39 x [248] 73 x [53] 38 x [81] 39 x [120] 46 x [166] 74 x [205] 65 x [238] 54 x [250] 20 x [35] 43 x [59] 55 x [155] 20 x [159] 10 x [73] 11 x [76] 7 x [207] 7 x [222] 40 x [246] 15 x [63] 35 x [167] 84 x [85] 69 x [106] 74 x [221] 95 x [126] 18 x [199] 52 x [67] 82 x [77] 87 x [56] 76 x [105] 45 x [121] 2 x [188] 36 x [16] 5 x [34] 25 x [141] 43 x [220] 18 x [60] 11 x [124] 77 x [204] 39 x [133] 19 x [144] 23 x [4] 52 x [116] 34 x [28] 28 x [89] 22 x [117] 58 x [224] 63 x [225] 51 x [26, 122] 8 x [26, 165] 7 x [21] 37 x [58] 17 x [90] 66 x [107] 51 x [41, 187] 18 x [100, 187] 16 x [146, 187] 80 x [62] 60 x [94] 14 x [111] 35 x [127] 9 x [131] 82 x [145] 57 x [249] 49 x [1] 28 x [244] 95 x [57] 99 x [151] 87 x [154] 75 x [210] 71 x [24] 25 x [178] 17 x [8] 47 x [17] 49 x [232] 26 x [104] 5 x [215] 30 x [66] 41 x [12, 66] 88 x [9] 18 x [61] 75 x [139] 47 x [185] 16 x [193] 85 x [196] 25 x [234] 17 x [47] 35 x [138] 7 x [186] 84 x [203] 68 x [213] 77 x [71] 58 x [142] 23 x [216] 15 x [44, 99] 76 x [31, 44] 46 x [148, 173] 32 x [100, 148] 16 x [122, 148] 55 x [69] 49 x [153] 66 x [236] 1 x [32] 39 x [113] 11 x [19] 40 x [19, 231] 25 x [50] 82 x [64] 91 x [83] 46 x [93] 74 x [218] 64 x [229] 30 x [237] 4 x [97] 88 x [97, 171] 38 x [39] 44 x [40] 7 x [137] 61 x [184] 33 x [211] 67 x [6] 22 x [80] 47 x [179] 1 x [158] 16 x [173] 15 x [12, 173, 176] 16 x [173, 174, 183] 69 x [82] 51 x [240] 8 x [5] 47 x [78] 97 x [162] 3 x [182] 32 x [239] 8 x [68] 8 x [46] 15 x [72] 61 x [112] 44 x [198] 29 x [223] 82 x [99] 20 x [208] 62 x [226] 10 x [3] 5 x [10] 56 x [45] 8 x [41] 65 x [29] 20 x [168] 28 x [181] 36 x [163, 165, 169] 11 x [52] 16 x [52, 174] 13 x [52, 176] 96 x [42] 39 x [136] 88 x [170] 49 x [212] 31 x [227] 45 x [172] 3 x [172, 176] 34 x [18] 82 x [30] 25 x [74] 13 x [102] 4 x [152] 46 x [233] 19 x [43] 98 x [110] 21 x [206] 61 x [88] 40 x [48] 63 x [197] 16 x [125] 54 x [79] 78 x [95] 87 x [109] 43 x [132] 50 x [149] 59 x [177] 23 x [214] 44 x [2] 17 x [70] 27 x [134] 4 x [245] 34 x [235] 19 x [169, 190, 235] 15 x [169, 235] 4 x [11] 33 x [129] 6 x [23, 96] 10 x [51] 63 x [84] 8 x [140] 87 x [189] 45 x [190, 230] 97 x [33, 147] 36 x [202] 4 x [247] 3 x [49] 62 x [92] 70 x [130] 73 x [160] 69 x [65] 61 x [118] 1 x [33] 96 x [123] 36 x [156] 54 x [201] 13 x [217] 16 x [54, 100, 174] 89 x [25] 34 x [75] 68 x [192] 41 x [150] 12 x [122] 9 x [122, 174] 34 x [14] 24 x [37] 98 x [143] 31 x [175] 99 x [161] 6 x [96] 29 x [38, 96, 169] 1 x [12, 96] 24 x [12, 96, 174] 16 x [96, 174] 79 x [242] 52 x [101] 25 x [135] 74 x [200] 30 x [86] 84 x [87] 79 x [98] 74 x [108] 77 x [119] 99 x [20] 93 x [115] 48 x [195] 16 x [230] 30 x [146] 20 x [165] 16 x [165, 176]