Build (method = -2) #dp: 9810 Step-3' Graph: 97 vertices and 2407 arcs (0.05s) Step-4' Graph: 97 vertices and 2407 arcs (0.05s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.05s) Optimize a model with 196 rows, 2408 columns and 7040 nonzeros Presolve removed 51 rows and 51 columns Presolve time: 0.02s Presolved: 145 rows, 2357 columns, 6889 nonzeros Variable types: 0 continuous, 2357 integer (38 binary) Found heuristic solution: objective 473.0000000 Found heuristic solution: objective 386.0000000 Optimize a model with 145 rows, 2357 columns and 6889 nonzeros Presolved: 145 rows, 2357 columns, 6889 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.171e+03 Factor NZ : 7.330e+03 (roughly 1 MByte of memory) Factor Ops : 4.807e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 9.15187132e+03 -2.83931104e+04 1.56e+04 4.78e-02 1.30e+02 0s 1 2.75600674e+03 -1.49618291e+04 2.51e+03 6.66e-16 2.26e+01 0s 2 6.63275016e+02 -6.75226172e+03 1.48e+02 4.66e-15 2.53e+00 0s 3 4.80446986e+02 -1.38887754e+03 4.62e+00 2.00e-15 4.09e-01 0s 4 4.56755446e+02 -4.03938175e+02 1.65e+00 8.88e-16 1.84e-01 0s 5 4.18524271e+02 -1.88822450e+01 1.08e+00 3.33e-16 9.32e-02 0s 6 3.79114511e+02 1.32710469e+02 7.18e-01 3.33e-16 5.25e-02 0s 7 3.26413473e+02 1.97282224e+02 3.21e-01 3.33e-16 2.74e-02 0s 8 2.89755196e+02 2.33048634e+02 1.08e-01 3.33e-16 1.20e-02 0s 9 2.80043883e+02 2.50428679e+02 5.81e-02 2.22e-16 6.27e-03 0s 10 2.73376792e+02 2.63034254e+02 1.57e-02 2.29e-16 2.19e-03 0s 11 2.70602651e+02 2.69630734e+02 2.79e-04 2.55e-16 2.04e-04 0s 12 2.70500106e+02 2.70499132e+02 3.98e-13 3.50e-16 2.05e-07 0s 13 2.70500000e+02 2.70500000e+02 2.13e-13 4.02e-16 2.05e-13 0s Barrier solved model in 13 iterations and 0.02 seconds Optimal objective 2.70500000e+02 Root relaxation: objective 2.705000e+02, 1015 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 270.50000 0 3 386.00000 270.50000 29.9% - 0s H 0 0 271.0000000 270.50000 0.18% - 0s Explored 0 nodes (1274 simplex iterations) in 0.09 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.710000000000e+02, best bound 2.710000000000e+02, gap 0.0% Preprocessing time: 0.07 seconds Gurobi run time: 0.09 seconds Total run time: 0.16 seconds Objective: 271 Solution: 6 x [99] 4 x [98] 2 x [97] 7 x [96] 5 x [95] 6 x [94] 4 x [93] 1 x [1, 1, 1, 93] 1 x [1, 1, 1, 1, 93] 1 x [92] 4 x [6, 92] 3 x [91] 6 x [6, 90] 4 x [89] 4 x [2, 3, 89] 5 x [88] 3 x [11, 88] 4 x [87] 3 x [4, 87] 4 x [12, 86] 1 x [85] 4 x [10, 85] 2 x [14, 84] 3 x [7, 84] 1 x [83] 1 x [15, 83] 3 x [11, 83] 1 x [82] 2 x [17, 82] 2 x [15, 82] 1 x [5, 5, 82] 3 x [81] 1 x [16, 81] 2 x [80] 2 x [19, 80] 3 x [16, 80] 5 x [20, 79] 1 x [15, 79] 1 x [8, 78] 2 x [22, 77] 3 x [20, 77] 3 x [23, 76] 2 x [21, 76] 2 x [18, 76] 5 x [24, 75] 3 x [21, 75] 4 x [25, 74] 2 x [23, 74] 1 x [12, 73] 3 x [9, 73] 4 x [27, 72] 6 x [28, 71] 1 x [27, 71] 6 x [29, 70] 5 x [30, 69] 2 x [29, 69] 1 x [31, 68] 4 x [30, 68] 5 x [32, 67] 1 x [33, 66] 3 x [8, 19, 65] 7 x [64] 2 x [26, 63] 3 x [36, 62] 2 x [35, 62] 5 x [37, 61] 1 x [34, 61] 4 x [38, 60] 1 x [33, 60] 3 x [40, 59] 3 x [14, 26, 59] 1 x [8, 12, 16, 59] 5 x [41, 58] 4 x [39, 58] 2 x [22, 58] 1 x [42, 57] 1 x [33, 57] 3 x [13, 15, 57] 4 x [43, 56] 1 x [42, 56] 4 x [44, 55] 2 x [9, 34, 55] 2 x [9, 32, 55] 2 x [8, 55] 4 x [45, 54] 5 x [46, 53] 4 x [47, 52] 1 x [46, 52] 4 x [49, 51] 2 x [50, 50] 3 x [48, 49] 1 x [47]