Build (method = -2) #dp: 1715 Step-3' Graph: 62 vertices and 223 arcs (0.01s) Step-4' Graph: 29 vertices and 157 arcs (0.01s) #V4/#V3 = 0.47 #A4/#A3 = 0.70 Ready! (0.01s) Optimize a model with 104 rows, 158 columns and 421 nonzeros Presolve removed 57 rows and 58 columns Presolve time: 0.00s Presolved: 47 rows, 100 columns, 248 nonzeros Variable types: 0 continuous, 100 integer (9 binary) Found heuristic solution: objective 183.0000000 Found heuristic solution: objective 171.0000000 Found heuristic solution: objective 141.0000000 Optimize a model with 47 rows, 100 columns and 248 nonzeros Presolve removed 1 rows and 1 columns Presolved: 46 rows, 99 columns, 246 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.900e+01 Factor NZ : 6.460e+02 Factor Ops : 1.220e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.54310391e+03 -2.21807911e+03 2.45e+02 2.22e-16 6.29e+01 0s 1 6.22263349e+02 -6.07383332e+02 3.19e+01 8.88e-16 9.41e+00 0s 2 1.85155022e+02 6.26697935e+00 6.17e-01 1.82e-14 8.62e-01 0s 3 1.44815044e+02 9.06478791e+01 3.64e-03 5.00e-15 2.49e-01 0s 4 1.31077490e+02 1.19057599e+02 4.20e-04 6.66e-16 5.51e-02 0s 5 1.26094549e+02 1.23294235e+02 1.40e-04 4.44e-16 1.28e-02 0s 6 1.25090376e+02 1.24880371e+02 1.14e-05 3.33e-16 9.63e-04 0s 7 1.25000049e+02 1.24999860e+02 7.36e-09 3.33e-16 8.70e-07 0s 8 1.25000000e+02 1.25000000e+02 3.39e-11 2.22e-16 8.70e-10 0s 9 1.25000000e+02 1.25000000e+02 7.13e-12 3.33e-16 1.70e-15 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 1.25000000e+02 Root relaxation: objective 1.250000e+02, 46 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 125.0000000 125.00000 0.0% - 0s Explored 0 nodes (46 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.250000000000e+02, best bound 1.250000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 125 Solution: 2 x [75] 3 x [74] 5 x [73] 2 x [72] 3 x [71] 1 x [70] 2 x [69] 2 x [68] 3 x [67] 3 x [66] 2 x [65] 4 x [64] 2 x [63] 1 x [62] 2 x [61] 1 x [60] 4 x [59] 1 x [58] 1 x [57] 4 x [1, 56] 2 x [2, 55] 3 x [3, 54] 4 x [1, 53] 2 x [4, 52] 1 x [2, 51] 1 x [8, 50] 2 x [7, 50] 3 x [49] 1 x [9, 48] 2 x [6, 48] 1 x [47] 1 x [10, 47] 2 x [11, 46] 2 x [5, 46] 1 x [1, 46] 3 x [12, 45] 4 x [12, 44] 5 x [13, 43] 1 x [42] 1 x [17, 41] 3 x [14, 41] 1 x [19, 40] 4 x [18, 40] 1 x [20, 39] 2 x [16, 39] 1 x [21, 38] 2 x [15, 38] 2 x [22, 37] 1 x [13, 37] 1 x [23, 36] 1 x [24, 35] 1 x [23, 35] 4 x [20, 34] 2 x [26, 33] 1 x [25, 33] 1 x [32] 1 x [27, 32] 2 x [29, 31] 2 x [30, 30] 2 x [28, 28]