Build (method = -2) #dp: 1048 Step-3' Graph: 157 vertices and 464 arcs (0.01s) Step-4' Graph: 18 vertices and 186 arcs (0.01s) #V4/#V3 = 0.11 #A4/#A3 = 0.40 Ready! (0.01s) Optimize a model with 138 rows, 187 columns and 529 nonzeros Presolve removed 125 rows and 154 columns Presolve time: 0.00s Presolved: 13 rows, 33 columns, 73 nonzeros Variable types: 0 continuous, 33 integer (27 binary) Found heuristic solution: objective 114.0000000 Optimize a model with 13 rows, 33 columns and 73 nonzeros Presolved: 13 rows, 33 columns, 73 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.400e+01 Factor NZ : 9.100e+01 Factor Ops : 8.190e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.25943609e+02 9.91387076e+01 9.97e+00 2.66e-01 1.06e+00 0s 1 1.14761201e+02 1.06656230e+02 6.02e-01 3.33e-16 1.43e-01 0s 2 1.13621370e+02 1.13018406e+02 5.75e-03 2.22e-16 9.05e-03 0s Barrier performed 2 iterations in 0.00 seconds Objective cutoff exceeded Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.140000000000e+02, best bound 1.140000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.00 seconds Total run time: 0.02 seconds Objective: 114 Solution: 1 x [2] 1 x [117] 1 x [106] 1 x [38] 1 x [107] 1 x [43] 1 x [59] 1 x [9] 1 x [55] 1 x [112] 1 x [48] 1 x [90] 1 x [99] 1 x [111] 1 x [24] 1 x [23] 1 x [11] 1 x [14] 1 x [50] 1 x [71] 1 x [53] 1 x [103] 1 x [87] 1 x [95] 1 x [100] 1 x [7, 35] 1 x [63] 1 x [79] 1 x [30] 1 x [110] 1 x [93] 1 x [44] 1 x [101] 1 x [61, 105] 1 x [6] 1 x [16] 1 x [47] 1 x [52] 1 x [56] 1 x [82] 1 x [33, 83] 1 x [96] 1 x [13] 1 x [51] 1 x [17] 1 x [31] 1 x [49] 1 x [57] 1 x [65] 1 x [91] 1 x [75] 1 x [26] 1 x [39] 1 x [3] 1 x [97] 1 x [34] 1 x [32, 41] 1 x [28] 1 x [45] 1 x [25] 1 x [46] 1 x [73] 1 x [27] 1 x [94] 1 x [67] 1 x [113] 1 x [12, 19] 1 x [21] 1 x [77] 1 x [118] 1 x [60] 1 x [74, 102] 1 x [70] 1 x [4] 1 x [98] 1 x [84] 1 x [86] 1 x [68] 1 x [66] 1 x [78] 1 x [29] 1 x [42] 1 x [54] 1 x [108] 1 x [40] 1 x [72] 1 x [104] 1 x [1] 1 x [15] 1 x [92] 1 x [10] 1 x [116] 1 x [37] 1 x [58] 1 x [81] 1 x [64] 1 x [69] 1 x [85] 1 x [119] 1 x [20] 1 x [114] 1 x [120] 1 x [18] 1 x [89] 1 x [36] 1 x [109] 1 x [76] 1 x [8] 1 x [115] 1 x [80] 1 x [22] 1 x [88] 1 x [62] 1 x [5]