Build (method = -2) #dp: 3628 Step-3' Graph: 85 vertices and 669 arcs (0.01s) Step-4' Graph: 85 vertices and 669 arcs (0.01s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.01s) Optimize a model with 185 rows, 670 columns and 1875 nonzeros Presolve removed 113 rows and 234 columns Presolve time: 0.01s Presolved: 72 rows, 436 columns, 1031 nonzeros Variable types: 0 continuous, 436 integer (0 binary) Found heuristic solution: objective 3563.0000000 Found heuristic solution: objective 3470.0000000 Optimize a model with 72 rows, 436 columns and 1031 nonzeros Presolved: 72 rows, 436 columns, 1031 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.030e+02 Factor NZ : 1.380e+03 Factor Ops : 3.381e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.28740382e+04 -3.88261512e+04 4.60e+04 2.22e-16 3.23e+02 0s 1 6.01413921e+03 -2.09679523e+04 6.83e+03 6.66e-16 6.44e+01 0s 2 4.06363037e+03 -4.08724303e+03 3.90e+02 4.15e-14 1.04e+01 0s 3 3.60938873e+03 8.49978584e+02 6.69e-01 1.20e-14 3.12e+00 0s 4 3.24133167e+03 2.41407057e+03 9.05e-02 2.78e-15 9.34e-01 0s 5 3.08759147e+03 2.89305248e+03 2.52e-02 6.66e-16 2.20e-01 0s 6 3.04441424e+03 2.95504367e+03 4.28e-03 2.50e-16 1.01e-01 0s 7 3.02755672e+03 2.98664297e+03 6.93e-04 2.22e-16 4.62e-02 0s 8 3.02444145e+03 3.01351527e+03 2.63e-04 2.56e-16 1.23e-02 0s 9 3.02260796e+03 3.02236135e+03 1.43e-05 3.33e-16 2.78e-04 0s 10 3.02250353e+03 3.02249882e+03 9.64e-09 3.33e-16 5.31e-06 0s 11 3.02250000e+03 3.02250000e+03 2.41e-10 2.27e-16 5.31e-09 0s 12 3.02250000e+03 3.02250000e+03 4.71e-10 3.01e-16 7.71e-15 0s Barrier solved model in 12 iterations and 0.00 seconds Optimal objective 3.02250000e+03 Root relaxation: objective 3.022500e+03, 146 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3022.50000 0 2 3470.00000 3022.50000 12.9% - 0s H 0 0 3023.0000000 3022.50000 0.02% - 0s Explored 0 nodes (175 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.023000000000e+03, best bound 3.023000000000e+03, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.02 seconds Total run time: 0.04 seconds Objective: 3023 Solution: 36 x [98] 6 x [92] 37 x [75] 75 x [83] 46 x [67] 5 x [97] 24 x [36] 35 x [28] 36 x [15] 25 x [23] 5 x [2] 11 x [91] 1 x [79] 43 x [20] 42 x [10] 43 x [85] 24 x [62] 95 x [7] 70 x [76] 33 x [54] 10 x [31] 17 x [63] 10 x [11] 27 x [18] 53 x [17, 74] 47 x [12] 73 x [32] 43 x [99] 12 x [66] 39 x [16] 21 x [95] 19 x [90] 66 x [33, 90] 2 x [51] 43 x [77] 30 x [50] 36 x [48] 10 x [1, 48] 42 x [39] 31 x [96] 42 x [88] 22 x [53] 86 x [1, 27] 8 x [26] 22 x [13] 50 x [80] 93 x [52] 42 x [38] 78 x [14] 1 x [9] 47 x [4] 27 x [86] 40 x [84] 31 x [82] 19 x [100] 20 x [47] 2 x [43] 48 x [21, 43] 39 x [69] 36 x [71] 35 x [34] 41 x [30] 35 x [89] 25 x [19, 72] 5 x [94] 35 x [49] 45 x [41] 37 x [40] 1 x [24] 7 x [24, 72] 18 x [6] 4 x [64] 48 x [58] 21 x [57] 9 x [3] 32 x [3, 61] 9 x [45] 9 x [55] 8 x [55, 72] 28 x [55, 72, 74] 23 x [35] 22 x [35, 60] 5 x [37, 65] 1 x [25, 81] 3 x [25, 37] 36 x [22, 37] 16 x [8, 81] 10 x [37, 42] 46 x [78, 87] 16 x [81, 87] 74 x [68, 70] 24 x [5, 68] 39 x [56, 93] 22 x [29, 56] 5 x [56, 73] 13 x [59, 73] 72 x [44, 73] 1 x [59] 18 x [5, 59] 9 x [59, 59] 39 x [37, 46, 81] 1 x [37, 37, 81]