Build (method = -2) #dp: 573 Step-3' Graph: 148 vertices and 437 arcs (0.01s) Step-4' Graph: 41 vertices and 223 arcs (0.01s) #V4/#V3 = 0.28 #A4/#A3 = 0.51 Ready! (0.01s) Optimize a model with 79 rows, 224 columns and 594 nonzeros Presolve removed 24 rows and 35 columns Presolve time: 0.00s Presolved: 55 rows, 189 columns, 506 nonzeros Variable types: 0 continuous, 189 integer (7 binary) Found heuristic solution: objective 367.0000000 Found heuristic solution: objective 284.0000000 Optimize a model with 55 rows, 189 columns and 506 nonzeros Presolved: 55 rows, 189 columns, 506 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.590e+02 Factor NZ : 7.830e+02 Factor Ops : 1.282e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.69979393e+03 -4.25240541e+03 9.98e+03 1.37e-01 8.26e+01 0s 1 7.58948307e+02 -1.56644894e+03 1.03e+03 8.88e-16 1.15e+01 0s 2 3.62783971e+02 -2.05966446e+02 9.58e+01 1.33e-14 1.73e+00 0s 3 2.64113895e+02 1.03499423e+02 2.69e+00 2.66e-15 4.09e-01 0s 4 2.23450947e+02 1.82894928e+02 2.72e-01 1.20e-15 1.03e-01 0s 5 2.14263867e+02 2.04574078e+02 3.29e-02 1.11e-15 2.45e-02 0s 6 2.13045980e+02 2.12806497e+02 3.41e-13 1.45e-15 6.05e-04 0s 7 2.13000001e+02 2.12999996e+02 2.63e-13 9.81e-16 1.17e-08 0s 8 2.13000000e+02 2.13000000e+02 8.53e-14 9.18e-16 1.17e-11 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 2.13000000e+02 Root relaxation: objective 2.130000e+02, 80 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 213.0000000 213.00000 0.0% - 0s Explored 0 nodes (80 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.130000000000e+02, best bound 2.130000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 213 Solution: 3 x [1] 1 x [2] 1 x [2, 38] 18 x [3] 2 x [4, 35] 6 x [4, 36] 4 x [5] 1 x [6, 34] 9 x [7, 37] 15 x [8, 33] 9 x [9, 38] 11 x [10, 34] 4 x [11, 34] 14 x [12, 32] 16 x [13, 31] 10 x [14, 30] 1 x [15, 30] 2 x [15, 31] 1 x [15, 35] 10 x [16, 28] 13 x [17, 23] 2 x [17, 24] 1 x [18, 28] 9 x [19, 26] 3 x [19, 28] 5 x [20, 21] 8 x [20, 24] 1 x [22, 25] 5 x [23, 25] 8 x [24, 26] 9 x [25, 26] 4 x [26, 27] 7 x [27, 29]