Build (method = -2) #dp: 1579 Step-3' Graph: 304 vertices and 905 arcs (0.02s) Step-4' Graph: 85 vertices and 467 arcs (0.02s) #V4/#V3 = 0.28 #A4/#A3 = 0.52 Ready! (0.02s) Optimize a model with 205 rows, 468 columns and 1238 nonzeros Presolve removed 119 rows and 126 columns Presolve time: 0.01s Presolved: 86 rows, 342 columns, 891 nonzeros Variable types: 0 continuous, 342 integer (241 binary) Found heuristic solution: objective 103.0000000 Optimize a model with 86 rows, 342 columns and 891 nonzeros Presolved: 86 rows, 342 columns, 891 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.780e+02 Factor NZ : 1.541e+03 Factor Ops : 3.135e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.58467719e+02 -5.24660067e+02 1.09e+03 2.99e-01 7.84e+00 0s 1 1.47708214e+02 -1.80054930e+02 1.30e+02 1.33e-15 1.19e+00 0s 2 1.11630165e+02 2.84999150e+01 1.84e+01 1.33e-15 1.97e-01 0s 3 1.04571037e+02 8.14815029e+01 2.75e+00 1.78e-15 4.13e-02 0s 4 1.03332160e+02 9.53192037e+01 3.87e-01 1.33e-15 1.23e-02 0s 5 1.02850093e+02 9.60376186e+01 1.66e-01 1.22e-15 1.02e-02 0s 6 1.02349712e+02 9.96199688e+01 3.86e-02 1.33e-15 4.03e-03 0s 7 1.02107978e+02 1.00834768e+02 1.16e-02 1.55e-15 1.87e-03 0s 8 1.02002212e+02 1.01996915e+02 8.91e-05 1.33e-15 7.82e-06 0s 9 1.02000000e+02 1.02000000e+02 2.85e-10 7.91e-16 2.38e-11 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 1.02000000e+02 Root relaxation: objective 1.020000e+02, 159 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 102.0000000 102.00000 0.0% - 0s Explored 0 nodes (159 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.020000000000e+02, best bound 1.020000000000e+02, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.01 seconds Total run time: 0.05 seconds Objective: 102 Solution: 1 x [112] 1 x [22] 1 x [85] 1 x [97] 1 x [91] 1 x [76] 1 x [64] 1 x [16] 1 x [13] 1 x [19] 1 x [79] 1 x [46] 1 x [49] 1 x [40] 1 x [118] 1 x [7, 50] 1 x [34] 1 x [67] 1 x [115] 1 x [1] 1 x [90] 1 x [60] 1 x [61] 1 x [55] 1 x [72] 1 x [52] 1 x [105] 1 x [36] 1 x [103] 1 x [73] 1 x [88] 1 x [58] 1 x [70] 1 x [28] 1 x [3] 1 x [54] 1 x [30] 1 x [48] 1 x [69] 1 x [120] 1 x [96] 1 x [29] 1 x [42] 1 x [12] 1 x [31, 100] 1 x [81] 1 x [56] 1 x [53] 1 x [18] 1 x [116] 1 x [20, 43, 110] 1 x [33] 1 x [107] 1 x [68] 1 x [66] 1 x [41] 1 x [93] 1 x [102] 1 x [111] 1 x [2] 1 x [71] 1 x [59] 1 x [98] 1 x [77] 1 x [5] 1 x [14] 1 x [35] 1 x [24] 1 x [38] 1 x [65] 1 x [87] 1 x [44] 1 x [47] 1 x [62] 1 x [8] 1 x [89] 1 x [27, 57] 1 x [86] 1 x [92] 1 x [95] 1 x [23] 1 x [82, 94] 1 x [32] 1 x [113] 1 x [6, 9] 1 x [106, 114] 1 x [25] 1 x [75, 78] 1 x [63, 99] 1 x [4, 26] 1 x [117] 1 x [15] 1 x [74] 1 x [10, 17, 45] 1 x [37, 39] 1 x [104, 109] 1 x [51, 83] 1 x [11, 21] 1 x [119] 1 x [101] 1 x [84] 1 x [80, 108]