Build (method = -2) #dp: 2569 Step-3' Graph: 492 vertices and 1469 arcs (0.04s) Step-4' Graph: 117 vertices and 719 arcs (0.04s) #V4/#V3 = 0.24 #A4/#A3 = 0.49 Ready! (0.04s) Optimize a model with 237 rows, 720 columns and 1930 nonzeros Presolve removed 103 rows and 158 columns Presolve time: 0.01s Presolved: 134 rows, 562 columns, 1504 nonzeros Variable types: 0 continuous, 562 integer (0 binary) Optimize a model with 134 rows, 562 columns and 1504 nonzeros Presolve removed 1 rows and 1 columns Presolved: 133 rows, 561 columns, 1502 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.570e+02 Factor NZ : 2.893e+03 Factor Ops : 7.419e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.17944220e+04 -8.04112783e+04 3.91e+05 2.22e-16 1.36e+03 0s 1 1.67545684e+04 -3.94027340e+04 4.58e+04 1.22e-15 1.83e+02 0s 2 6.87261189e+03 -1.18154545e+04 3.91e+03 1.07e-14 2.59e+01 0s 3 5.77740536e+03 -9.23076775e+02 2.11e+02 2.44e-15 6.18e+00 0s 4 5.39275936e+03 1.46403817e+03 1.04e+01 1.22e-15 3.44e+00 0s 5 5.22244259e+03 3.25168854e+03 5.27e+00 5.07e-16 1.72e+00 0s 6 5.08748052e+03 4.18521897e+03 2.48e+00 6.11e-16 7.88e-01 0s 7 5.02486375e+03 4.40524214e+03 1.31e+00 5.83e-16 5.41e-01 0s 8 4.97076321e+03 4.77960983e+03 1.79e-01 7.27e-16 1.67e-01 0s 9 4.96060890e+03 4.94468235e+03 4.34e-02 8.88e-16 1.39e-02 0s 10 4.95811654e+03 4.95772404e+03 2.70e-03 6.94e-16 3.43e-04 0s 11 4.95800061e+03 4.95799973e+03 1.49e-09 6.42e-16 7.73e-07 0s 12 4.95800000e+03 4.95800000e+03 2.00e-09 9.99e-16 7.73e-10 0s Barrier solved model in 12 iterations and 0.01 seconds Optimal objective 4.95800000e+03 Root relaxation: objective 4.958000e+03, 351 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 4958.0000000 4958.00000 0.0% - 0s Explored 0 nodes (351 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 4.958000000000e+03, best bound 4.958000000000e+03, gap 0.0% Preprocessing time: 0.05 seconds Gurobi run time: 0.03 seconds Total run time: 0.07 seconds Objective: 4958 Solution: 69 x [112] 19 x [55] 93 x [70] 4 x [109] 98 x [37] 17 x [22] 49 x [10] 76 x [7] 19 x [103] 14 x [82] 6 x [85] 48 x [34] 52 x [1] 76 x [58] 73 x [25] 52 x [118] 90 x [43] 77 x [76] 32 x [63] 11 x [91] 55 x [64] 21 x [75] 17 x [102] 92 x [106] 96 x [16] 93 x [73] 62 x [100] 57 x [18] 64 x [117] 82 x [45] 82 x [36] 12 x [60] 20 x [30] 34 x [3] 65 x [84] 5 x [67] 8 x [26, 67, 113] 38 x [9] 84 x [107] 17 x [46] 19 x [13, 46] 12 x [39] 28 x [54] 79 x [96] 47 x [105] 74 x [17] 5 x [24] 18 x [78] 59 x [52, 78] 83 x [51] 88 x [53] 9 x [12] 60 x [4, 12] 32 x [92] 10 x [65] 8 x [101] 17 x [19] 16 x [19, 40] 9 x [19, 33] 33 x [15] 26 x [23] 54 x [44] 87 x [29] 56 x [69] 16 x [57] 53 x [13, 31] 9 x [31, 113] 51 x [95] 91 x [83] 15 x [38] 77 x [42] 72 x [14] 98 x [8] 31 x [104] 29 x [35] 81 x [41] 12 x [111] 98 x [62] 21 x [21] 64 x [80] 39 x [120] 13 x [32] 94 x [68] 59 x [114] 61 x [20] 33 x [56] 9 x [59] 15 x [59, 88] 52 x [86, 88] 41 x [49] 8 x [49, 87] 45 x [48, 61] 35 x [48, 66] 35 x [6] 2 x [6, 61, 113] 35 x [6, 108] 2 x [74, 79] 95 x [72, 79] 17 x [97] 34 x [93, 97] 12 x [89, 97, 116] 27 x [11, 97, 113] 35 x [47] 3 x [28, 47] 27 x [47, 108] 22 x [47, 98, 113] 8 x [99] 11 x [26, 99] 14 x [81, 89, 94] 1 x [40, 71] 22 x [26, 40, 71] 7 x [90, 115] 36 x [89, 90, 115] 13 x [2, 74, 115] 30 x [74, 110, 115] 40 x [5, 93] 2 x [5, 26] 6 x [50] 8 x [50, 93] 8 x [81] 10 x [28, 81] 51 x [27, 81] 12 x [81, 113] 20 x [119] 11 x [93, 119] 42 x [28, 77, 119] 1 x [71, 93] 2 x [26, 71, 93] 8 x [28, 71] 16 x [2, 74, 110] 3 x [28, 74]