Build (method = -2) #dp: 4187 Step-3' Graph: 110 vertices and 357 arcs (0.02s) Step-4' Graph: 35 vertices and 207 arcs (0.02s) #V4/#V3 = 0.32 #A4/#A3 = 0.58 Ready! (0.02s) Optimize a model with 125 rows, 208 columns and 559 nonzeros Presolve removed 57 rows and 65 columns Presolve time: 0.00s Presolved: 68 rows, 143 columns, 364 nonzeros Variable types: 0 continuous, 143 integer (9 binary) Found heuristic solution: objective 173.0000000 Found heuristic solution: objective 142.0000000 Found heuristic solution: objective 121.0000000 Optimize a model with 68 rows, 143 columns and 364 nonzeros Presolved: 68 rows, 143 columns, 364 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.330e+02 Factor NZ : 1.013e+03 Factor Ops : 2.090e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.32198101e+03 -4.66046504e+03 5.78e+02 2.22e-16 9.89e+01 0s 1 1.00533548e+03 -1.52828432e+03 7.81e+01 8.88e-16 1.51e+01 0s 2 1.87516657e+02 -2.18000419e+02 2.16e+00 1.59e-14 1.40e+00 0s 3 1.32826274e+02 1.74146243e+01 1.54e-02 3.55e-15 3.60e-01 0s 4 1.04742681e+02 8.75209209e+01 1.41e-03 7.49e-16 5.37e-02 0s 5 1.00417686e+02 9.87033284e+01 6.48e-05 9.99e-16 5.34e-03 0s 6 1.00000577e+02 9.99994994e+01 2.17e-08 6.44e-16 3.36e-06 0s 7 1.00000000e+02 1.00000000e+02 9.06e-14 7.07e-16 3.52e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.00000000e+02 Root relaxation: objective 1.000000e+02, 60 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 100.00000 0 4 121.00000 100.00000 17.4% - 0s H 0 0 101.0000000 100.00000 0.99% - 0s H 0 0 100.0000000 100.00000 0.0% - 0s Explored 0 nodes (62 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.000000000000e+02, best bound 1.000000000000e+02, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.01 seconds Total run time: 0.04 seconds Objective: 100 Solution: 4 x [18, 90] 3 x [17, 89] 2 x [16, 88] 1 x [19, 87] 3 x [13, 86] 1 x [23, 85] 1 x [21, 84] 4 x [23, 83] 2 x [25, 82] 1 x [28, 81] 2 x [27, 80] 2 x [26, 79] 1 x [15, 78] 3 x [31, 77] 2 x [24, 76] 3 x [25, 75] 3 x [6, 74] 2 x [20, 73] 1 x [12, 72] 2 x [3, 71] 1 x [37, 70] 3 x [38, 69] 1 x [10, 68] 3 x [39, 67] 1 x [9, 66] 1 x [5, 65] 1 x [4, 64] 1 x [45, 63] 2 x [37, 62] 6 x [32, 61] 2 x [47, 60] 1 x [1, 60] 2 x [49, 59] 3 x [48, 59] 1 x [1, 59] 3 x [50, 58] 3 x [51, 57] 1 x [52, 56] 1 x [53, 55] 1 x [53, 54] 1 x [50, 53] 1 x [52, 52] 2 x [2, 46] 3 x [43, 44] 1 x [7, 42] 2 x [40, 41] 2 x [29, 36] 1 x [11, 36] 1 x [14, 35] 1 x [33, 34] 1 x [18, 30] 3 x [8, 22]