Build (method = -2) #dp: 1014 Step-3' Graph: 212 vertices and 629 arcs (0.01s) Step-4' Graph: 38 vertices and 281 arcs (0.01s) #V4/#V3 = 0.18 #A4/#A3 = 0.45 Ready! (0.01s) Optimize a model with 158 rows, 282 columns and 774 nonzeros Presolve removed 106 rows and 116 columns Presolve time: 0.00s Presolved: 52 rows, 166 columns, 441 nonzeros Variable types: 0 continuous, 166 integer (9 binary) Found heuristic solution: objective 6092.0000000 Found heuristic solution: objective 5866.0000000 Optimize a model with 52 rows, 166 columns and 441 nonzeros Presolved: 52 rows, 166 columns, 441 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.460e+02 Factor NZ : 7.440e+02 Factor Ops : 1.260e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.28128443e+04 -6.55975933e+03 2.15e+04 8.72e-02 2.66e+02 0s 1 7.28055501e+03 4.96622055e+02 2.32e+03 5.55e-16 3.86e+01 0s 2 5.98035817e+03 3.71919094e+03 1.86e+02 1.27e-14 7.56e+00 0s 3 5.69783033e+03 4.96734305e+03 1.36e+01 2.55e-15 2.14e+00 0s 4 5.55830837e+03 5.30448071e+03 2.01e+00 8.88e-16 7.33e-01 0s 5 5.51962105e+03 5.44103075e+03 2.78e-01 3.33e-16 2.26e-01 0s 6 5.51055586e+03 5.48629888e+03 9.88e-02 3.33e-16 6.98e-02 0s 7 5.50838148e+03 5.49832798e+03 4.58e-02 3.33e-16 2.89e-02 0s 8 5.50738943e+03 5.50721085e+03 1.15e-04 3.33e-16 5.13e-04 0s 9 5.50733334e+03 5.50733329e+03 4.57e-09 5.55e-16 1.36e-07 0s 10 5.50733333e+03 5.50733333e+03 6.03e-12 3.33e-16 1.36e-10 0s Barrier solved model in 10 iterations and 0.00 seconds Optimal objective 5.50733333e+03 Root relaxation: objective 5.507333e+03, 74 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 5507.33333 0 11 5866.00000 5507.33333 6.11% - 0s H 0 0 5508.0000000 5507.33333 0.01% - 0s Explored 0 nodes (104 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.508000000000e+03, best bound 5.508000000000e+03, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 5508 Solution: 63 x [112] 75 x [19] 70 x [118] 100 x [109] 68 x [31] 76 x [55] 96 x [67] 94 x [70] 11 x [79, 88] 53 x [4, 79] 34 x [37] 89 x [22] 39 x [10] 76 x [49] 7 x [7] 16 x [103] 51 x [82] 94 x [85] 2 x [34] 53 x [97] 65 x [1] 50 x [58] 19 x [13, 94] 43 x [25] 67 x [43] 28 x [76] 93 x [63] 53 x [91] 12 x [64] 91 x [75] 16 x [102] 93 x [46] 86 x [106] 20 x [28, 40] 36 x [26, 40, 113] 60 x [16] 27 x [73] 80 x [100] 70 x [18] 33 x [117] 13 x [6] 81 x [48] 4 x [78] 4 x [88, 115] 48 x [45] 59 x [36] 57 x [60] 95 x [30] 29 x [99] 93 x [3] 44 x [84] 98 x [9] 19 x [107] 59 x [90] 46 x [39] 100 x [54] 31 x [12] 8 x [96] 94 x [105] 9 x [13, 93] 56 x [47] 27 x [17] 57 x [24] 50 x [51] 46 x [53] 61 x [104] 47 x [5] 45 x [50] 84 x [92] 16 x [65] 29 x [101] 95 x [15] 66 x [23] 49 x [59] 76 x [74] 34 x [44] 94 x [29] 48 x [69] 67 x [57] 30 x [11, 13] 42 x [2, 4] 49 x [95] 27 x [83] 51 x [38] 56 x [42] 6 x [81] 4 x [4, 72] 23 x [14] 12 x [8] 77 x [35] 12 x [41] 26 x [111] 84 x [62] 9 x [21] 81 x [80] 45 x [120] 96 x [32] 75 x [68] 15 x [114] 60 x [20] 5 x [56] 77 x [71] 32 x [86] 6 x [119] 18 x [26, 28, 87] 1 x [28, 33, 66] 10 x [28, 77, 89] 42 x [28, 77, 98] 6 x [28, 89, 98] 58 x [27, 66, 89] 13 x [88, 110] 16 x [66, 87, 89] 14 x [26, 87, 98] 15 x [11, 52] 42 x [11, 61] 6 x [11, 88] 4 x [26, 52, 116] 6 x [26, 108, 116] 7 x [61, 77, 98] 2 x [26, 89, 98] 1 x [98]