Build (method = -2) #dp: 9796 Step-3' Graph: 97 vertices and 2435 arcs (0.04s) Step-4' Graph: 97 vertices and 2435 arcs (0.04s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.04s) Optimize a model with 196 rows, 2436 columns and 7123 nonzeros Presolve removed 51 rows and 51 columns Presolve time: 0.01s Presolved: 145 rows, 2385 columns, 6972 nonzeros Variable types: 0 continuous, 2385 integer (0 binary) Found heuristic solution: objective 473.0000000 Found heuristic solution: objective 389.0000000 Optimize a model with 145 rows, 2385 columns and 6972 nonzeros Presolved: 145 rows, 2385 columns, 6972 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 5.235e+03 Factor NZ : 7.631e+03 (roughly 1 MByte of memory) Factor Ops : 5.249e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.70043402e+03 -2.39269845e+04 8.60e+03 2.22e-16 6.63e+01 0s 1 1.89312324e+03 -1.21672493e+04 1.56e+03 5.55e-16 1.33e+01 0s 2 6.41433222e+02 -5.38901185e+03 1.41e+02 7.55e-15 2.03e+00 0s 3 4.87599928e+02 -6.14726558e+02 3.35e+00 2.22e-15 2.37e-01 0s 4 4.43025056e+02 -1.84140421e+02 1.55e+00 1.11e-15 1.33e-01 0s 5 4.02436475e+02 5.08296801e+01 9.98e-01 6.66e-16 7.42e-02 0s 6 3.49920923e+02 1.17348806e+02 5.01e-01 4.44e-16 4.88e-02 0s 7 3.10457878e+02 1.88749004e+02 2.38e-01 4.44e-16 2.55e-02 0s 8 2.93032606e+02 2.26565271e+02 1.41e-01 2.73e-16 1.39e-02 0s 9 2.82520026e+02 2.37910638e+02 7.77e-02 3.33e-16 9.33e-03 0s 10 2.74277858e+02 2.64303081e+02 1.82e-02 3.33e-16 2.09e-03 0s 11 2.71576222e+02 2.71042410e+02 4.83e-05 4.23e-16 1.11e-04 0s 12 2.71500079e+02 2.71499542e+02 7.32e-13 4.26e-16 1.11e-07 0s 13 2.71500000e+02 2.71500000e+02 5.54e-13 4.44e-16 1.11e-13 0s Barrier solved model in 13 iterations and 0.02 seconds Optimal objective 2.71500000e+02 Root relaxation: objective 2.715000e+02, 1203 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 271.50000 0 2 389.00000 271.50000 30.2% - 0s H 0 0 272.0000000 271.50000 0.18% - 0s Explored 0 nodes (1447 simplex iterations) in 0.08 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.720000000000e+02, best bound 2.720000000000e+02, gap 0.0% Preprocessing time: 0.05 seconds Gurobi run time: 0.08 seconds Total run time: 0.13 seconds Objective: 272 Solution: 3 x [99] 3 x [98] 6 x [97] 7 x [96] 8 x [95] 6 x [1, 94] 4 x [93] 5 x [92] 4 x [7, 91] 3 x [90] 2 x [10, 90] 2 x [6, 90] 6 x [5, 89] 3 x [88] 5 x [12, 88] 2 x [87] 5 x [6, 86] 4 x [13, 85] 2 x [84] 1 x [4, 4, 4, 84] 4 x [83] 6 x [82] 1 x [16, 82] 6 x [17, 81] 1 x [80] 2 x [3, 16, 80] 4 x [20, 79] 5 x [21, 78] 5 x [2, 16, 78] 2 x [12, 78] 5 x [23, 77] 1 x [16, 77] 2 x [23, 76] 1 x [9, 76] 3 x [8, 9, 76] 1 x [75] 2 x [7, 75] 3 x [25, 74] 3 x [24, 74] 1 x [73] 2 x [26, 73] 2 x [22, 73] 1 x [18, 73] 5 x [28, 72] 2 x [19, 72] 1 x [71] 1 x [28, 71] 2 x [22, 71] 2 x [10, 71] 7 x [30, 70] 1 x [11, 70] 3 x [24, 69] 1 x [32, 68] 3 x [31, 68] 3 x [15, 68] 5 x [32, 67] 1 x [16, 67] 2 x [34, 66] 4 x [33, 66] 3 x [18, 65] 3 x [29, 64] 2 x [37, 63] 4 x [36, 63] 2 x [35, 63] 3 x [31, 63] 4 x [38, 62] 1 x [39, 61] 4 x [40, 60] 2 x [38, 60] 3 x [39, 59] 3 x [14, 27, 58] 2 x [14, 19, 58] 3 x [43, 57] 3 x [41, 57] 2 x [43, 56] 3 x [42, 56] 1 x [45, 55] 3 x [44, 55] 5 x [46, 54] 3 x [45, 54] 3 x [53] 2 x [11, 34, 53] 1 x [11, 29, 53] 2 x [48, 52] 5 x [47, 52] 4 x [49, 51] 4 x [48, 51] 1 x [39, 51] 1 x [50] 3 x [50, 50]