Build (method = -2) #dp: 28956 Step-3' Graph: 3209 vertices and 9620 arcs (0.58s) Step-4' Graph: 532 vertices and 4266 arcs (0.59s) #V4/#V3 = 0.17 #A4/#A3 = 0.44 Ready! (0.59s) Optimize a model with 652 rows, 4267 columns and 11741 nonzeros Presolve removed 47 rows and 140 columns Presolve time: 0.04s Presolved: 605 rows, 4127 columns, 11489 nonzeros Variable types: 0 continuous, 4127 integer (0 binary) Optimize a model with 605 rows, 4127 columns and 11489 nonzeros Presolved: 605 rows, 4127 columns, 11489 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 6.264e+03 Factor NZ : 2.350e+04 (roughly 2 MBytes of memory) Factor Ops : 1.488e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.71510180e+06 -2.26748491e+06 3.92e+07 2.22e-16 1.25e+04 0s 1 3.74349590e+05 -8.86960219e+05 5.48e+06 8.22e-15 1.80e+03 0s 2 5.04350993e+04 -3.23642153e+05 6.02e+05 1.31e-14 2.19e+02 0s 3 9.15858440e+03 -1.46199630e+05 4.51e+04 1.07e-14 3.08e+01 0s 4 6.41359765e+03 -5.19703127e+04 1.48e+04 9.10e-15 1.04e+01 0s 5 4.88305217e+03 -3.07763332e+04 4.74e+03 1.20e-14 5.20e+00 0s 6 3.85990657e+03 -1.85687221e+04 1.51e+03 1.34e-14 2.93e+00 0s 7 3.26583385e+03 -1.10387699e+04 6.35e+02 1.17e-14 1.80e+00 0s 8 2.75826054e+03 -6.22258946e+03 2.47e+02 1.61e-14 1.10e+00 0s 9 2.43768332e+03 3.82507263e+02 1.03e+02 1.17e-14 2.52e-01 0s 10 2.24078930e+03 1.20220003e+03 2.99e+01 9.55e-15 1.26e-01 0s 11 2.18796604e+03 1.59435205e+03 1.87e+01 1.01e-14 7.19e-02 0s 12 2.15038591e+03 1.73916640e+03 1.17e+01 1.19e-14 4.97e-02 0s 13 2.11634199e+03 1.89339356e+03 5.53e+00 1.11e-14 2.69e-02 0s 14 2.09635821e+03 1.98907329e+03 2.21e+00 1.05e-14 1.29e-02 0s 15 2.08913839e+03 2.03168985e+03 1.30e+00 1.08e-14 6.92e-03 0s 16 2.08237476e+03 2.04994907e+03 5.14e-01 1.11e-14 3.90e-03 0s 17 2.07946350e+03 2.06306172e+03 2.23e-01 9.36e-15 1.97e-03 0s 18 2.07734069e+03 2.06809187e+03 7.23e-02 1.09e-14 1.11e-03 0s 19 2.07667514e+03 2.07198681e+03 3.53e-02 1.10e-14 5.63e-04 0s 20 2.07628039e+03 2.07397444e+03 1.76e-02 1.09e-14 2.77e-04 0s 21 2.07611198e+03 2.07471489e+03 1.06e-02 1.14e-14 1.68e-04 0s 22 2.07599828e+03 2.07519677e+03 6.01e-03 1.22e-14 9.63e-05 0s 23 2.07585661e+03 2.07566565e+03 1.06e-03 1.05e-14 2.29e-05 0s 24 2.07582339e+03 2.07577937e+03 2.43e-04 9.55e-15 5.29e-06 0s 25 2.07581460e+03 2.07580066e+03 6.97e-05 9.84e-15 1.67e-06 0s 26 2.07581193e+03 2.07580659e+03 1.71e-05 1.03e-14 6.42e-07 0s 27 2.07581085e+03 2.07581076e+03 3.79e-08 8.77e-15 1.12e-08 0s 28 2.07581082e+03 2.07581082e+03 4.84e-10 1.07e-14 1.13e-11 0s Barrier solved model in 28 iterations and 0.11 seconds Optimal objective 2.07581082e+03 Root relaxation: objective 2.075811e+03, 281 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2075.81082 0 224 - 2075.81082 - - 0s H 0 0 2081.0000000 2075.81082 0.25% - 0s H 0 0 2078.0000000 2075.81082 0.11% - 0s 0 0 2076.00000 0 174 2078.00000 2076.00000 0.10% - 0s H 0 0 2076.0000000 2076.00000 0.0% - 1s Cutting planes: Gomory: 1 Explored 0 nodes (883 simplex iterations) in 1.12 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.076000000000e+03, best bound 2.076000000000e+03, gap 0.0% Preprocessing time: 0.61 seconds Gurobi run time: 1.12 seconds Total run time: 1.73 seconds Objective: 2076 Solution: 18 x [51, 64, 68] 11 x [51, 64, 86] 42 x [27, 58, 110] 14 x [62, 110, 115] 5 x [14, 37, 110] 35 x [16, 81, 83] 37 x [32, 46, 81] 14 x [36, 46, 71] 8 x [5, 46, 71] 8 x [6, 38, 75] 8 x [86, 112, 120] 51 x [1, 3, 90] 1 x [3, 76, 90] 28 x [10, 114, 120] 9 x [6, 28, 54] 11 x [28, 45, 57] 60 x [13, 32, 73] 12 x [13, 54, 78] 8 x [5, 70, 78] 4 x [22, 56, 71] 40 x [11, 56, 67] 5 x [38, 52, 56] 19 x [8, 25, 26] 50 x [8, 97, 109] 5 x [1, 8, 57] 74 x [6, 76, 105] 9 x [3, 76, 105] 36 x [24, 95, 100] 44 x [22, 23, 24] 5 x [22, 24, 95] 6 x [24, 58, 120] 3 x [13, 14, 24] 4 x [3, 6, 24] 18 x [5, 94, 98] 14 x [94, 104, 117] 32 x [18, 85, 95] 6 x [2, 85, 98] 21 x [59, 84, 85] 11 x [38, 85, 117] 14 x [71, 85, 104] 29 x [31, 39, 86] 26 x [9, 31, 48] 22 x [1, 83, 99] 35 x [54, 57, 99] 45 x [40, 93, 108] 1 x [7, 32, 95] 9 x [7, 83, 95] 22 x [25, 45, 92] 2 x [17, 58, 92] 12 x [52, 92, 98] 4 x [52, 62, 92] 1 x [32, 52, 92] 30 x [27, 77, 82] 6 x [17, 82, 95] 12 x [17, 27, 82] 16 x [82, 117, 120] 25 x [54, 59, 82] 2 x [5, 82, 95] 1 x [59, 82, 95] 4 x [17, 53, 103] 40 x [59, 89, 103] 10 x [20, 59, 103] 22 x [34, 42, 77] 54 x [9, 34, 117] 5 x [40, 69, 120] 2 x [21, 69, 109] 55 x [17, 69, 100] 6 x [17, 69, 79] 2 x [10, 41, 108] 11 x [10, 41, 47] 31 x [10, 41, 120] 25 x [13, 77, 111] 14 x [37, 83, 111] 18 x [61, 87, 102] 12 x [30, 83, 109] 1 x [1, 30, 104] 1 x [30, 54, 70] 1 x [30, 59, 70] 16 x [12, 77, 91] 39 x [12, 40, 98] 1 x [10, 11, 12] 5 x [10, 12, 113] 4 x [1, 12, 97] 6 x [19, 33, 60] 23 x [19, 21, 35] 2 x [19, 35, 55] 56 x [19, 63, 104] 10 x [4, 33, 96] 27 x [4, 60, 72] 6 x [4, 9, 57] 1 x [4, 57, 104] 32 x [15, 33, 39] 14 x [15, 33, 55] 27 x [15, 96, 109] 10 x [1, 15, 96] 15 x [35, 60, 88] 13 x [35, 58, 60] 28 x [60, 88, 116] 27 x [35, 91, 116] 32 x [66, 74, 106] 2 x [52, 66, 77] 2 x [10, 66, 80] 14 x [10, 29, 66] 2 x [10, 26, 66] 1 x [10, 66, 120] 4 x [52, 74, 77] 5 x [43, 51, 74] 17 x [74, 86, 118] 14 x [45, 86, 106] 44 x [11, 106, 113] 29 x [49, 51, 119] 5 x [49, 51, 65] 5 x [96, 102, 109] 42 x [96, 97, 102] 1 x [10, 38, 108] 1 x [43, 45, 65] 34 x [43, 45, 107] 2 x [51, 86, 118] 5 x [11, 45, 118] 3 x [44, 65, 107, 119] 10 x [65, 101, 107, 119] 22 x [44, 50, 65, 107] 4 x [44, 65, 101, 107]