Build (method = -2) #dp: 1454 Step-3' Graph: 196 vertices and 581 arcs (0.02s) Step-4' Graph: 57 vertices and 303 arcs (0.02s) #V4/#V3 = 0.29 #A4/#A3 = 0.52 Ready! (0.02s) Optimize a model with 177 rows, 304 columns and 802 nonzeros Presolve removed 118 rows and 130 columns Presolve time: 0.00s Presolved: 59 rows, 174 columns, 436 nonzeros Variable types: 0 continuous, 174 integer (0 binary) Found heuristic solution: objective 5890.0000000 Found heuristic solution: objective 5862.0000000 Found heuristic solution: objective 5821.0000000 Optimize a model with 59 rows, 174 columns and 436 nonzeros Presolved: 59 rows, 174 columns, 436 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.730e+02 Factor NZ : 9.260e+02 Factor Ops : 1.659e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.37471772e+03 -4.66241154e+03 8.63e+03 2.22e-16 1.64e+02 0s 1 6.55062554e+03 1.50576988e+03 1.11e+03 1.22e-15 2.70e+01 0s 2 5.86361813e+03 4.58116139e+03 9.09e+01 1.87e-14 4.22e+00 0s 3 5.77487848e+03 5.30608888e+03 9.46e+00 6.88e-15 1.34e+00 0s 4 5.76158868e+03 5.71817669e+03 5.35e-01 9.23e-16 1.22e-01 0s 5 5.75902045e+03 5.75874561e+03 6.44e-03 8.68e-16 7.69e-04 0s 6 5.75900000e+03 5.75900000e+03 8.70e-09 7.62e-16 1.05e-09 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 5.75900000e+03 Root relaxation: objective 5.759000e+03, 127 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5759.0000000 5759.00000 0.0% - 0s Explored 0 nodes (127 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 5.759000000000e+03, best bound 5.759000000000e+03, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 5759 Solution: 52 x [10] 70 x [94] 34 x [51] 73 x [24] 15 x [78] 57 x [112] 20 x [59] 48 x [91] 57 x [6] 22 x [66] 42 x [75] 60 x [77] 81 x [17] 28 x [52] 4 x [113] 67 x [57] 18 x [34] 96 x [37] 69 x [7] 13 x [38] 40 x [53] 40 x [68] 83 x [97] 42 x [16] 15 x [21] 35 x [43] 61 x [96] 4 x [4] 82 x [42] 29 x [13] 59 x [18] 71 x [73] 43 x [28] 11 x [28, 70] 41 x [102] 5 x [5] 46 x [85] 71 x [72] 41 x [93] 38 x [88] 69 x [26] 23 x [46] 71 x [117] 56 x [100] 63 x [119] 2 x [62] 50 x [106] 56 x [39] 64 x [114] 22 x [25, 114] 77 x [47] 82 x [12] 89 x [8] 70 x [11] 1 x [27] 50 x [40, 110] 38 x [49] 29 x [56, 87] 55 x [83] 90 x [79] 45 x [116] 4 x [3, 32] 39 x [64] 55 x [95] 100 x [115] 14 x [86] 11 x [98] 8 x [45] 99 x [84] 92 x [99] 57 x [58, 76] 17 x [25, 58] 46 x [19] 54 x [101] 46 x [35] 39 x [50] 38 x [108] 24 x [14] 7 x [29] 60 x [118] 28 x [31] 41 x [31, 54] 78 x [89] 69 x [9] 17 x [9, 61] 3 x [2, 9] 91 x [44] 63 x [103] 10 x [15] 38 x [30] 13 x [74] 88 x [63] 80 x [120] 47 x [82] 6 x [2, 22] 98 x [60] 62 x [109] 93 x [41] 54 x [67] 16 x [65] 19 x [69] 21 x [107] 95 x [111] 22 x [81] 2 x [25, 81] 74 x [1] 60 x [80] 7 x [92] 11 x [2, 25, 92] 57 x [48] 77 x [104] 11 x [36, 104] 83 x [20] 95 x [105] 39 x [32] 3 x [32, 76] 38 x [25, 32] 1 x [2, 32] 30 x [33] 40 x [55] 100 x [71] 75 x [23] 65 x [90] 44 x [110]