Build (method = -2) #dp: 6389 Step-3' Graph: 119 vertices and 1637 arcs (0.03s) Step-4' Graph: 85 vertices and 1569 arcs (0.03s) #V4/#V3 = 0.71 #A4/#A3 = 0.96 Ready! (0.03s) Optimize a model with 165 rows, 1570 columns and 4546 nonzeros Presolve removed 31 rows and 49 columns Presolve time: 0.03s Presolved: 134 rows, 1521 columns, 4431 nonzeros Variable types: 0 continuous, 1521 integer (413 binary) Found heuristic solution: objective 240.0000000 Found heuristic solution: objective 164.0000000 Optimize a model with 134 rows, 1521 columns and 4431 nonzeros Presolved: 134 rows, 1521 columns, 4431 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.809e+03 Factor NZ : 4.986e+03 Factor Ops : 2.567e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.49976372e+03 -1.57588098e+04 2.75e+04 2.66e-01 5.03e+01 0s 1 2.04327843e+03 -4.06835890e+03 5.02e+03 5.55e-16 9.31e+00 0s 2 3.82493465e+02 -1.49916437e+03 3.91e+02 2.89e-15 1.11e+00 0s 3 1.93594948e+02 -2.84791746e+02 4.28e+01 2.78e-15 1.91e-01 0s 4 1.31006828e+02 -1.04401823e+02 7.86e+00 1.33e-15 8.13e-02 0s 5 1.16532891e+02 1.73215061e+01 3.19e+00 6.66e-16 3.33e-02 0s 6 1.08062068e+02 6.41649643e+01 1.37e+00 3.37e-16 1.45e-02 0s 7 1.03740943e+02 8.68731465e+01 4.09e-01 4.44e-16 5.50e-03 0s 8 1.01423332e+02 9.58597859e+01 2.44e-02 3.33e-16 1.80e-03 0s 9 1.00868296e+02 9.79082936e+01 1.13e-02 3.33e-16 9.60e-04 0s 10 1.00432115e+02 9.93221319e+01 2.18e-03 2.22e-16 3.60e-04 0s 11 1.00264492e+02 9.99654398e+01 2.31e-04 2.22e-16 9.69e-05 0s 12 1.00238180e+02 1.00148194e+02 1.30e-04 3.33e-16 2.92e-05 0s 13 1.00221588e+02 1.00159994e+02 6.89e-05 2.22e-16 2.00e-05 0s 14 1.00209496e+02 1.00182296e+02 2.98e-05 3.33e-16 8.81e-06 0s 15 1.00203536e+02 1.00199964e+02 9.24e-06 2.22e-16 1.16e-06 0s 16 1.00201435e+02 1.00201352e+02 1.81e-07 3.33e-16 2.69e-08 0s 17 1.00201389e+02 1.00201389e+02 1.39e-12 3.33e-16 2.69e-11 0s Barrier solved model in 17 iterations and 0.02 seconds Optimal objective 1.00201389e+02 Root relaxation: objective 1.002014e+02, 397 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 100.20139 0 58 164.00000 100.20139 38.9% - 0s H 0 0 101.0000000 100.20139 0.79% - 0s Explored 0 nodes (584 simplex iterations) in 0.10 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.010000000000e+02, best bound 1.010000000000e+02, gap 0.0% Preprocessing time: 0.04 seconds Gurobi run time: 0.10 seconds Total run time: 0.14 seconds Objective: 101 Solution: 4 x [30, 80] 1 x [24, 80] 2 x [31, 79] 1 x [3, 8, 79] 1 x [4, 7, 79] 1 x [5, 6, 79] 1 x [32, 78] 1 x [33, 77] 3 x [1, 12, 77] 2 x [6, 7, 77] 3 x [34, 76] 1 x [35, 75] 2 x [1, 14, 75] 2 x [4, 11, 75] 1 x [36, 74] 1 x [8, 8, 74] 1 x [37, 73] 1 x [2, 15, 73] 1 x [4, 13, 73] 1 x [6, 11, 73] 3 x [38, 72] 2 x [39, 71] 2 x [40, 70] 2 x [1, 19, 70] 1 x [41, 69] 5 x [42, 68] 2 x [43, 67] 1 x [10, 13, 67] 1 x [44, 66] 1 x [42, 66] 2 x [3, 21, 66] 2 x [7, 17, 66] 4 x [45, 65] 1 x [2, 23, 65] 2 x [46, 64] 1 x [4, 22, 64] 1 x [8, 16, 64] 1 x [11, 15, 64] 1 x [12, 14, 64] 2 x [47, 63] 1 x [48, 62] 1 x [49, 61] 1 x [50, 60] 1 x [51, 59] 1 x [13, 18, 59] 1 x [15, 16, 59] 2 x [52, 58] 2 x [53, 57] 1 x [4, 29, 57] 2 x [9, 24, 57] 2 x [54, 56] 1 x [55, 55] 1 x [12, 26, 52] 2 x [19, 21, 50] 2 x [15, 26, 49] 2 x [18, 23, 49] 1 x [20, 22, 48] 1 x [14, 29, 47] 1 x [20, 29, 41] 1 x [23, 27, 40] 1 x [25, 26, 39] 1 x [23, 39] 1 x [24, 28, 38] 1 x [28, 28, 34] 1 x [30, 30, 30] 1 x [19, 29]