Build (method = -2) #dp: 12966 Step-3' Graph: 116 vertices and 3404 arcs (0.05s) Step-4' Graph: 116 vertices and 3404 arcs (0.05s) #V4/#V3 = 1.00 #A4/#A3 = 1.00 Ready! (0.05s) Optimize a model with 215 rows, 3405 columns and 9989 nonzeros Presolve removed 43 rows and 43 columns Presolve time: 0.02s Presolved: 172 rows, 3362 columns, 9862 nonzeros Variable types: 0 continuous, 3362 integer (0 binary) Found heuristic solution: objective 462.0000000 Found heuristic solution: objective 322.0000000 Optimize a model with 172 rows, 3362 columns and 9862 nonzeros Presolved: 172 rows, 3362 columns, 9862 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 7.449e+03 Factor NZ : 1.098e+04 (roughly 2 MBytes of memory) Factor Ops : 9.101e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.85728681e+03 -4.15170767e+04 1.46e+04 2.22e-16 9.27e+01 0s 1 2.81789909e+03 -2.03327888e+04 2.71e+03 7.77e-16 1.86e+01 0s 2 7.77810044e+02 -9.68436165e+03 2.82e+02 8.44e-15 2.91e+00 0s 3 5.49259839e+02 -2.66842588e+03 1.15e+01 2.18e-14 5.07e-01 0s 4 4.58682506e+02 -1.25937159e+03 3.40e+00 1.13e-14 2.59e-01 0s 5 4.44757059e+02 -8.35959243e+02 2.94e+00 7.99e-15 1.93e-01 0s 6 3.64349102e+02 -4.07245242e+02 1.41e+00 4.44e-15 1.15e-01 0s 7 3.07899688e+02 -2.45555356e+01 6.75e-01 1.67e-15 4.96e-02 0s 8 2.57280663e+02 8.72043728e+01 3.63e-01 5.55e-16 2.53e-02 0s 9 2.20851198e+02 1.47153711e+02 1.31e-01 2.86e-16 1.09e-02 0s 10 2.11341827e+02 1.74067610e+02 7.82e-02 3.07e-16 5.53e-03 0s 11 2.06701821e+02 1.77750312e+02 4.67e-02 3.26e-16 4.29e-03 0s 12 2.04551010e+02 1.85014206e+02 3.28e-02 3.56e-16 2.89e-03 0s 13 2.03899570e+02 1.86385565e+02 2.46e-02 4.22e-16 2.59e-03 0s 14 2.02840088e+02 1.89777830e+02 1.79e-02 3.87e-16 1.93e-03 0s 15 2.01390829e+02 1.94008450e+02 1.04e-02 3.18e-16 1.09e-03 0s 16 2.00687958e+02 1.96426468e+02 5.93e-03 3.43e-16 6.29e-04 0s 17 2.00300077e+02 1.98041341e+02 3.59e-03 3.14e-16 3.33e-04 0s 18 2.00069836e+02 1.98645029e+02 2.20e-03 3.76e-16 2.10e-04 0s 19 1.99904397e+02 1.98923732e+02 1.47e-03 3.06e-16 1.45e-04 0s 20 1.99843788e+02 1.99091239e+02 1.24e-03 2.88e-16 1.11e-04 0s 21 1.99841922e+02 1.99177579e+02 1.14e-03 4.44e-16 9.80e-05 0s 22 1.99747584e+02 1.99494871e+02 2.93e-04 3.27e-16 3.73e-05 0s 23 1.99709920e+02 1.99700638e+02 1.17e-12 3.33e-16 1.37e-06 0s 24 1.99708337e+02 1.99708326e+02 1.96e-12 3.33e-16 1.68e-09 0s 25 1.99708333e+02 1.99708333e+02 6.48e-13 3.40e-16 1.68e-12 0s Barrier solved model in 25 iterations and 0.07 seconds Optimal objective 1.99708333e+02 Root relaxation: objective 1.997083e+02, 3004 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 199.70833 0 61 322.00000 199.70833 38.0% - 0s H 0 0 201.0000000 199.70833 0.64% - 0s H 0 0 200.0000000 199.70833 0.15% - 0s Explored 0 nodes (4434 simplex iterations) in 0.41 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.000000000000e+02, best bound 2.000000000000e+02, gap 0.0% Preprocessing time: 0.07 seconds Gurobi run time: 0.41 seconds Total run time: 0.48 seconds Objective: 200 Solution: 4 x [20, 99] 5 x [21, 98] 3 x [22, 97] 1 x [6, 16, 97] 5 x [23, 96] 3 x [24, 95] 3 x [1, 23, 95] 4 x [25, 94] 6 x [26, 93] 5 x [11, 16, 92] 1 x [3, 8, 16, 92] 5 x [28, 91] 4 x [29, 90] 1 x [3, 26, 90] 2 x [8, 21, 90] 4 x [30, 89] 2 x [31, 88] 3 x [32, 87] 3 x [8, 25, 86] 1 x [34, 85] 5 x [2, 33, 84] 1 x [4, 31, 84] 1 x [7, 84] 1 x [36, 83] 2 x [3, 33, 83] 4 x [37, 82] 6 x [38, 81] 4 x [39, 80] 2 x [40, 79] 3 x [41, 78] 4 x [42, 77] 1 x [17, 25, 77] 5 x [43, 76] 3 x [7, 36, 76] 3 x [44, 75] 3 x [12, 32, 75] 3 x [18, 27, 74] 4 x [46, 73] 6 x [47, 72] 1 x [8, 13, 26, 72] 5 x [48, 71] 2 x [49, 70] 4 x [50, 69] 2 x [4, 46, 69] 1 x [12, 13, 26, 68] 1 x [52, 67] 3 x [12, 40, 67] 3 x [53, 66] 2 x [54, 65] 1 x [15, 40, 64] 4 x [17, 38, 64] 3 x [55, 63] 2 x [10, 46, 63] 1 x [5, 45, 63] 1 x [20, 36, 63] 1 x [5, 15, 36, 63] 1 x [6, 15, 35, 63] 2 x [28, 28, 63] 2 x [56, 62] 1 x [5, 52, 62] 1 x [6, 51, 62] 4 x [57, 61] 3 x [58, 60] 1 x [15, 45, 59] 2 x [8, 54, 57] 2 x [9, 54, 56] 1 x [12, 12, 13, 26, 56] 2 x [7, 9, 51, 53] 1 x [4, 7, 20, 35, 53] 1 x [13, 26, 28, 53] 4 x [23, 46, 51] 1 x [30, 41, 49] 3 x [34, 41, 45] 2 x [14, 30, 31, 45] 1 x [3, 8, 16, 18, 30, 45] 2 x [10, 19, 20, 31, 40]