Build (method = -2) #dp: 2072 Step-3' Graph: 63 vertices and 521 arcs (0.01s) Step-4' Graph: 51 vertices and 497 arcs (0.01s) #V4/#V3 = 0.81 #A4/#A3 = 0.95 Ready! (0.01s) Optimize a model with 118 rows, 498 columns and 1398 nonzeros Presolve removed 41 rows and 50 columns Presolve time: 0.01s Presolved: 77 rows, 448 columns, 1255 nonzeros Variable types: 0 continuous, 448 integer (16 binary) Found heuristic solution: objective 187.0000000 Found heuristic solution: objective 176.0000000 Optimize a model with 77 rows, 448 columns and 1255 nonzeros Presolved: 77 rows, 448 columns, 1255 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.810e+02 Factor NZ : 1.480e+03 Factor Ops : 3.394e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.13841059e+03 -3.68610459e+03 8.17e+03 1.63e-01 5.08e+01 0s 1 6.39653993e+02 -1.63081020e+03 1.23e+03 5.55e-16 8.44e+00 0s 2 2.13236495e+02 -5.21877228e+02 7.76e+01 3.00e-15 1.08e+00 0s 3 1.56122622e+02 -5.89835265e+01 4.41e-01 8.88e-16 2.34e-01 0s 4 1.26936021e+02 4.53864437e+01 3.40e-03 3.33e-16 8.84e-02 0s 5 1.17468540e+02 8.67279901e+01 9.80e-04 3.33e-16 3.33e-02 0s 6 1.14398269e+02 1.07090944e+02 3.15e-04 2.22e-16 7.92e-03 0s 7 1.13655514e+02 1.10743567e+02 1.10e-04 1.70e-16 3.15e-03 0s 8 1.13135956e+02 1.12169763e+02 1.76e-05 2.22e-16 1.05e-03 0s 9 1.13012122e+02 1.12968188e+02 1.41e-06 2.22e-16 4.76e-05 0s 10 1.13000023e+02 1.12999857e+02 3.60e-14 3.33e-16 1.80e-07 0s 11 1.13000000e+02 1.13000000e+02 3.80e-13 2.35e-16 1.80e-13 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 1.13000000e+02 Root relaxation: objective 1.130000e+02, 174 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 113.0000000 113.00000 0.0% - 0s Explored 0 nodes (174 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.130000000000e+02, best bound 1.130000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.02 seconds Total run time: 0.04 seconds Objective: 113 Solution: 5 x [67] 3 x [66] 3 x [65] 3 x [64] 3 x [63] 1 x [62] 6 x [61] 3 x [60] 2 x [59] 4 x [1, 59] 3 x [2, 58] 1 x [3, 57] 3 x [2, 57] 2 x [4, 56] 2 x [5, 55] 1 x [6, 54] 1 x [5, 53] 3 x [7, 52] 1 x [9, 51] 3 x [8, 51] 2 x [10, 50] 3 x [11, 49] 1 x [9, 49] 1 x [12, 48] 1 x [4, 48] 3 x [13, 47] 2 x [14, 46] 3 x [12, 46] 1 x [15, 45] 2 x [16, 44] 2 x [15, 43] 1 x [17, 42] 1 x [17, 41] 1 x [19, 40] 1 x [17, 39] 2 x [19, 38] 1 x [17, 37] 5 x [21, 36] 3 x [23, 35] 4 x [24, 34] 3 x [22, 33] 2 x [27, 32] 2 x [29, 31] 2 x [27, 31] 2 x [25, 30] 1 x [28, 29] 1 x [20, 29] 2 x [25, 26] 2 x [18, 20] 1 x [3, 7, 20] 1 x [5, 5, 20] 1 x [4, 10, 17]