Build (method = -2) #dp: 2318 Step-3' Graph: 389 vertices and 1160 arcs (0.02s) Step-4' Graph: 123 vertices and 628 arcs (0.02s) #V4/#V3 = 0.32 #A4/#A3 = 0.54 Ready! (0.02s) Optimize a model with 183 rows, 629 columns and 1645 nonzeros Presolve removed 41 rows and 66 columns Presolve time: 0.00s Presolved: 142 rows, 563 columns, 1487 nonzeros Variable types: 0 continuous, 563 integer (9 binary) Found heuristic solution: objective 2692.0000000 Found heuristic solution: objective 2408.0000000 Optimize a model with 142 rows, 563 columns and 1487 nonzeros Presolved: 142 rows, 563 columns, 1487 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.590e+02 Factor NZ : 3.224e+03 Factor Ops : 8.778e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.15702843e+04 -9.83194305e+04 4.02e+05 1.62e-01 1.20e+03 0s 1 1.40012634e+04 -4.34303166e+04 5.67e+04 6.66e-16 1.87e+02 0s 2 3.78835618e+03 -1.38957984e+04 4.95e+03 1.55e-15 2.51e+01 0s 3 2.63596678e+03 -3.96198287e+03 3.81e+02 3.00e-15 6.24e+00 0s 4 2.19307368e+03 -9.09613853e+02 1.75e+01 1.33e-15 2.71e+00 0s 5 1.95291907e+03 5.43742406e+02 8.20e+00 4.44e-16 1.23e+00 0s 6 1.76692673e+03 1.22703448e+03 2.15e+00 3.47e-16 4.70e-01 0s 7 1.72850687e+03 1.54077407e+03 1.18e+00 2.57e-16 1.64e-01 0s 8 1.70037529e+03 1.69399739e+03 4.25e-02 3.33e-16 5.55e-03 0s 9 1.69900019e+03 1.69899813e+03 8.03e-06 5.55e-16 1.79e-06 0s 10 1.69900000e+03 1.69900000e+03 1.20e-12 3.58e-16 1.79e-09 0s 11 1.69900000e+03 1.69900000e+03 3.05e-11 3.66e-16 1.79e-12 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 1.69900000e+03 Root relaxation: objective 1.699000e+03, 340 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1699.0000000 1699.00000 0.0% - 0s Explored 0 nodes (398 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.699000000000e+03, best bound 1.699000000000e+03, gap 0.0% Preprocessing time: 0.03 seconds Gurobi run time: 0.02 seconds Total run time: 0.05 seconds Objective: 1699 Solution: 9 x [31] 99 x [7] 100 x [58] 81 x [52] 19 x [43] 31 x [54] 95 x [36] 55 x [41] 15 x [23] 31 x [46] 67 x [16, 46] 55 x [30] 7 x [2] 29 x [2, 14] 1 x [4] 10 x [1] 14 x [18] 6 x [3] 33 x [6] 1 x [6, 24] 67 x [20, 24] 14 x [20, 38] 21 x [56] 1 x [50] 26 x [9] 13 x [9, 25, 47] 48 x [9, 25] 20 x [19] 39 x [19, 40] 35 x [13, 19] 2 x [11, 19] 39 x [34, 55] 2 x [11, 29] 2 x [10] 37 x [10, 28] 2 x [10, 11, 57] 23 x [10, 53, 57] 1 x [10, 12] 2 x [10, 51] 20 x [44] 6 x [44, 48] 16 x [21, 44] 20 x [48, 59] 16 x [17] 4 x [17, 49] 36 x [17, 42, 49] 42 x [13, 17, 48] 2 x [22, 27] 37 x [27, 35, 60] 16 x [27, 32, 35] 14 x [22, 33] 37 x [33, 34] 12 x [45] 53 x [11, 39, 45] 3 x [35, 45] 79 x [8, 22, 47] 7 x [37] 33 x [26, 37, 39] 33 x [15, 35, 37] 2 x [35, 37] 49 x [5, 15, 28] 10 x [5, 60]