Build (method = -2) #dp: 3622 Step-3' Graph: 97 vertices and 709 arcs (0.01s) Step-4' Graph: 78 vertices and 671 arcs (0.01s) #V4/#V3 = 0.80 #A4/#A3 = 0.95 Ready! (0.01s) Optimize a model with 118 rows, 672 columns and 1867 nonzeros Presolve removed 12 rows and 13 columns Presolve time: 0.00s Presolved: 106 rows, 659 columns, 1831 nonzeros Variable types: 0 continuous, 659 integer (0 binary) Found heuristic solution: objective 1454.0000000 Found heuristic solution: objective 1123.0000000 Optimize a model with 106 rows, 659 columns and 1831 nonzeros Presolved: 106 rows, 659 columns, 1831 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.158e+03 Factor NZ : 3.065e+03 Factor Ops : 1.071e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.66333867e+04 -6.19155825e+04 4.56e+04 2.22e-16 3.21e+02 0s 1 5.18776996e+03 -1.99138929e+04 8.12e+03 6.66e-16 6.07e+01 0s 2 1.87449831e+03 -6.93570407e+03 1.10e+03 2.22e-15 1.13e+01 0s 3 1.20417895e+03 -2.28837882e+03 6.18e+01 4.22e-15 2.77e+00 0s 4 9.87604783e+02 -5.58955024e+02 2.28e+01 1.55e-15 1.18e+00 0s 5 8.61107214e+02 -1.50366528e+02 1.13e+01 9.99e-16 7.64e-01 0s 6 7.84313404e+02 3.12398693e+02 5.59e+00 4.44e-16 3.55e-01 0s 7 7.44990748e+02 5.15660156e+02 3.37e+00 2.22e-16 1.72e-01 0s 8 7.08738506e+02 5.72467174e+02 8.07e-01 3.33e-16 1.01e-01 0s 9 6.88864505e+02 6.31193364e+02 2.85e-01 2.22e-16 4.29e-02 0s 10 6.78162996e+02 6.52916802e+02 7.00e-02 3.33e-16 1.87e-02 0s 11 6.75367127e+02 6.67943132e+02 1.91e-02 3.33e-16 5.51e-03 0s 12 6.73962080e+02 6.72679509e+02 2.02e-03 2.67e-16 9.52e-04 0s 13 6.73715332e+02 6.73691050e+02 4.91e-05 5.55e-16 1.80e-05 0s 14 6.73708333e+02 6.73708333e+02 8.47e-10 3.33e-16 2.04e-10 0s Barrier solved model in 14 iterations and 0.01 seconds Optimal objective 6.73708333e+02 Root relaxation: objective 6.737083e+02, 224 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 673.70833 0 12 1123.00000 673.70833 40.0% - 0s H 0 0 675.0000000 673.70833 0.19% - 0s H 0 0 674.0000000 673.70833 0.04% - 0s Explored 0 nodes (366 simplex iterations) in 0.04 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 6.740000000000e+02, best bound 6.740000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.04 seconds Total run time: 0.06 seconds Objective: 674 Solution: 53 x [13] 4 x [9, 13] 32 x [10, 13] 8 x [7] 22 x [7, 34] 21 x [7, 14] 2 x [7, 22, 22, 22] 2 x [39] 6 x [1, 39] 43 x [21, 39] 9 x [36, 36, 39] 31 x [2, 12] 1 x [12, 27] 14 x [1, 27, 36] 23 x [3, 15] 5 x [19, 35] 31 x [5, 35] 14 x [10, 11, 35] 42 x [29, 37] 26 x [28, 29] 6 x [4, 29] 20 x [19, 29] 17 x [8, 38] 45 x [8, 24] 77 x [6, 26] 6 x [3, 6, 11] 6 x [20, 23] 13 x [3, 17, 25] 11 x [17, 17, 36] 1 x [11, 16, 23] 6 x [16, 16, 23] 2 x [3, 3, 23, 31] 12 x [3, 3, 3, 23] 6 x [23, 23] 29 x [30, 33, 40] 6 x [3, 30, 40] 3 x [3, 30, 32] 1 x [24, 40] 4 x [11, 40, 40] 8 x [11, 18, 24, 33] 6 x [24, 24, 24]