Build (method = -2) #dp: 921 Step-3' Graph: 44 vertices and 174 arcs (0.00s) Step-4' Graph: 24 vertices and 134 arcs (0.00s) #V4/#V3 = 0.55 #A4/#A3 = 0.77 Ready! (0.00s) Optimize a model with 95 rows, 135 columns and 362 nonzeros Presolve removed 53 rows and 54 columns Presolve time: 0.00s Presolved: 42 rows, 81 columns, 202 nonzeros Variable types: 0 continuous, 81 integer (0 binary) Found heuristic solution: objective 494.0000000 Found heuristic solution: objective 361.0000000 Optimize a model with 42 rows, 81 columns and 202 nonzeros Presolved: 42 rows, 81 columns, 202 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.100e+01 Factor NZ : 5.840e+02 Factor Ops : 1.123e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.00605178e+03 -3.63652369e+03 1.92e+03 2.22e-16 1.02e+02 0s 1 9.23601173e+02 -7.78700148e+02 2.22e+02 6.66e-16 1.45e+01 0s 2 4.73723638e+02 2.16936791e+02 1.42e-13 5.44e-15 1.40e+00 0s 3 4.05793430e+02 3.05254126e+02 8.53e-14 1.89e-15 5.49e-01 0s 4 3.58588623e+02 3.45225948e+02 4.97e-14 2.22e-16 7.30e-02 0s 5 3.55733079e+02 3.53353684e+02 2.22e-14 2.22e-16 1.30e-02 0s 6 3.54578221e+02 3.54323206e+02 2.02e-12 5.55e-16 1.39e-03 0s 7 3.54504848e+02 3.54495904e+02 5.14e-11 4.44e-16 4.89e-05 0s 8 3.54500005e+02 3.54499996e+02 4.14e-11 7.77e-16 4.89e-08 0s 9 3.54500000e+02 3.54500000e+02 4.36e-11 3.33e-16 4.89e-11 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 3.54500000e+02 Root relaxation: objective 3.545000e+02, 33 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 354.50000 0 2 361.00000 354.50000 1.80% - 0s H 0 0 355.0000000 354.50000 0.14% - 0s Explored 0 nodes (33 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.550000000000e+02, best bound 3.550000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 355 Solution: 10 x [71] 7 x [70] 14 x [69] 3 x [68] 7 x [67] 11 x [66] 11 x [65] 5 x [64] 3 x [63] 7 x [62] 4 x [61] 6 x [60] 4 x [59] 7 x [58] 6 x [57] 9 x [56] 3 x [55] 10 x [54] 5 x [53] 4 x [52] 10 x [51] 3 x [50] 5 x [49] 7 x [48] 14 x [47] 5 x [46] 5 x [45] 6 x [44] 5 x [43] 12 x [42] 7 x [1, 41] 6 x [2, 40] 6 x [3, 39] 4 x [2, 38] 1 x [5, 37] 8 x [4, 37] 8 x [6, 36] 8 x [7, 35] 1 x [6, 34] 3 x [3, 34] 9 x [9, 33] 7 x [10, 32] 1 x [5, 32] 1 x [31] 5 x [11, 31] 5 x [8, 31] 2 x [7, 31] 1 x [1, 31] 6 x [12, 30] 4 x [13, 29] 8 x [14, 28] 7 x [15, 27] 4 x [13, 26] 4 x [17, 25] 5 x [17, 24] 1 x [18, 23] 1 x [17, 23] 1 x [15, 23] 8 x [18, 22] 5 x [20, 21] 1 x [19] 5 x [19, 19] 1 x [15, 16] 3 x [12, 16]