Build (method = -2) #dp: 3605 Step-3' Graph: 554 vertices and 1655 arcs (0.10s) Step-4' Graph: 88 vertices and 723 arcs (0.11s) #V4/#V3 = 0.16 #A4/#A3 = 0.44 Ready! (0.11s) Optimize a model with 337 rows, 724 columns and 2000 nonzeros Presolve removed 237 rows and 239 columns Presolve time: 0.01s Presolved: 100 rows, 485 columns, 1303 nonzeros Variable types: 0 continuous, 485 integer (375 binary) Found heuristic solution: objective 238.0000000 Optimize a model with 100 rows, 485 columns and 1303 nonzeros Presolved: 100 rows, 485 columns, 1303 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.780e+02 Factor NZ : 2.077e+03 Factor Ops : 4.920e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.70981710e+02 -7.33694709e+02 2.16e+03 2.59e-01 8.74e+00 0s 1 2.83771883e+02 -1.76791862e+02 3.50e+02 1.78e-15 1.61e+00 0s 2 2.40169495e+02 1.32235822e+02 4.57e+01 9.99e-16 2.31e-01 0s 3 2.28798903e+02 1.98461582e+02 5.84e+00 6.66e-16 4.31e-02 0s 4 2.26954809e+02 2.13193207e+02 1.47e+00 6.66e-16 1.64e-02 0s 5 2.26458493e+02 2.19643926e+02 9.93e-01 6.66e-16 8.31e-03 0s 6 2.26034033e+02 2.24027783e+02 4.45e-01 8.88e-16 2.57e-03 0s 7 2.26005080e+02 2.25966810e+02 4.59e-03 1.33e-15 4.43e-05 0s 8 2.26000010e+02 2.25999967e+02 3.84e-14 7.74e-16 4.43e-08 0s 9 2.26000000e+02 2.26000000e+02 1.42e-14 6.45e-16 4.47e-14 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 2.26000000e+02 Root relaxation: objective 2.260000e+02, 242 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 226.0000000 226.00000 0.0% - 0s Explored 0 nodes (242 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.260000000000e+02, best bound 2.260000000000e+02, gap 0.0% Preprocessing time: 0.11 seconds Gurobi run time: 0.02 seconds Total run time: 0.13 seconds Objective: 226 Solution: 1 x [13] 1 x [241] 1 x [127] 1 x [214] 1 x [34] 1 x [145] 1 x [91] 1 x [160] 1 x [64] 1 x [178] 1 x [238] 1 x [229] 1 x [124] 1 x [139] 1 x [205] 1 x [121] 1 x [166] 1 x [148] 1 x [55] 1 x [1] 1 x [67] 1 x [85] 1 x [247] 1 x [76] 1 x [199] 1 x [4] 1 x [25] 1 x [136] 1 x [22] 1 x [115] 1 x [130] 1 x [79] 1 x [226] 1 x [133] 1 x [37] 1 x [196] 1 x [217] 1 x [151] 1 x [154] 1 x [157] 1 x [58] 1 x [109] 1 x [232] 1 x [97, 223] 1 x [244] 1 x [28] 1 x [235] 1 x [7] 1 x [31] 1 x [19] 1 x [32, 82] 1 x [46] 1 x [88] 1 x [202] 1 x [43] 1 x [40] 1 x [172] 1 x [16] 1 x [73] 1 x [52] 1 x [106] 1 x [208] 1 x [163] 1 x [189] 1 x [220] 1 x [103] 1 x [112] 1 x [187] 1 x [181] 1 x [18] 1 x [54] 1 x [204] 1 x [193, 210] 1 x [174] 1 x [68, 83, 94] 1 x [211] 1 x [222] 1 x [175] 1 x [186] 1 x [114] 1 x [63] 1 x [183] 1 x [33] 1 x [213] 1 x [72] 1 x [177] 1 x [105] 1 x [90] 1 x [165] 1 x [12] 1 x [171] 1 x [9] 1 x [102] 1 x [42] 1 x [108] 1 x [45] 1 x [39] 1 x [156] 1 x [237] 1 x [75] 1 x [51] 1 x [246] 1 x [30] 1 x [159] 1 x [234] 1 x [219] 1 x [111] 1 x [176] 1 x [74] 1 x [78] 1 x [170] 1 x [212] 1 x [153] 1 x [132] 1 x [69] 1 x [48] 1 x [135] 1 x [61, 142] 1 x [107] 1 x [117] 1 x [198] 1 x [62] 1 x [81] 1 x [144] 1 x [11, 60] 1 x [20] 1 x [249] 1 x [104] 1 x [209] 1 x [27] 1 x [41] 1 x [201] 1 x [29] 1 x [24] 1 x [126] 1 x [138] 1 x [164] 1 x [6] 1 x [150] 1 x [245] 1 x [120] 1 x [10, 169, 231] 1 x [3] 1 x [110] 1 x [71] 1 x [197] 1 x [233] 1 x [152] 1 x [192] 1 x [221] 1 x [240] 1 x [8] 1 x [89] 1 x [123] 1 x [195] 1 x [66] 1 x [137] 1 x [162] 1 x [26] 1 x [141] 1 x [158] 1 x [80] 1 x [84] 1 x [180] 1 x [140] 1 x [167] 1 x [200] 1 x [122] 1 x [218] 1 x [2] 1 x [116] 1 x [38, 70, 182] 1 x [36] 1 x [56] 1 x [99] 1 x [93] 1 x [155] 1 x [185] 1 x [227] 1 x [96] 1 x [131] 1 x [216] 1 x [44] 1 x [98] 1 x [129] 1 x [173] 1 x [118, 230, 243] 1 x [143] 1 x [125, 190] 1 x [59] 1 x [92] 1 x [179] 1 x [248] 1 x [50] 1 x [188] 1 x [239] 1 x [15] 1 x [53] 1 x [119] 1 x [215] 1 x [17] 1 x [149] 1 x [225] 1 x [77] 1 x [146] 1 x [191] 1 x [194] 1 x [206] 1 x [57, 101, 184] 1 x [35] 1 x [86] 1 x [242] 1 x [14] 1 x [47] 1 x [65, 100, 161] 1 x [95] 1 x [203] 1 x [224] 1 x [228] 1 x [5, 207] 1 x [134] 1 x [49, 236] 1 x [168] 1 x [21, 23] 1 x [113, 147] 1 x [87, 128]