Build (method = -2) #dp: 2426 Step-3' Graph: 34 vertices and 361 arcs (0.01s) Step-4' Graph: 5 vertices and 303 arcs (0.01s) #V4/#V3 = 0.15 #A4/#A3 = 0.84 Ready! (0.01s) Optimize a model with 105 rows, 304 columns and 908 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.00s Presolved: 103 rows, 302 columns, 904 nonzeros Variable types: 0 continuous, 302 integer (27 binary) Found heuristic solution: objective 537.0000000 Found heuristic solution: objective 535.0000000 Optimize a model with 103 rows, 302 columns and 904 nonzeros Presolved: 103 rows, 302 columns, 904 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.030e+02 Factor NZ : 8.120e+02 Factor Ops : 1.258e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.73189373e+03 -1.54874150e+03 3.73e+01 4.04e-03 1.23e+01 0s 1 3.69925161e+02 -6.87057224e+02 3.08e-12 2.22e-16 1.59e+00 0s 2 2.46928673e+02 -4.64301164e+01 1.49e-13 2.22e-16 4.29e-01 0s 3 1.87425161e+02 1.60828151e+02 1.85e-13 2.22e-16 3.83e-02 0s 4 1.82379576e+02 1.81529558e+02 7.61e-14 2.22e-16 1.22e-03 0s 5 1.82333334e+02 1.82333332e+02 3.94e-13 1.11e-16 2.72e-09 0s 6 1.82333333e+02 1.82333333e+02 5.51e-13 1.14e-16 2.99e-15 0s Barrier solved model in 6 iterations and 0.00 seconds Optimal objective 1.82333333e+02 Root relaxation: objective 1.823333e+02, 263 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 182.33333 0 3 535.00000 182.33333 65.9% - 0s H 0 0 183.0000000 182.33333 0.36% - 0s Explored 0 nodes (373 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.830000000000e+02, best bound 1.830000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 183 Solution: 3 x [46, 56, 99] 5 x [75, 96, 97] 2 x [42, 50, 87] 1 x [29, 87, 87] 6 x [20, 36, 80] 5 x [28, 48, 68] 4 x [45, 60, 63] 1 x [56, 93] 2 x [44, 51, 57] 3 x [21, 39, 98] 7 x [26, 29, 65] 7 x [17, 22, 85] 5 x [5, 19, 38] 6 x [43, 79, 93] 4 x [3, 71, 74] 1 x [46, 57, 72] 1 x [52, 59, 98] 8 x [14, 41, 53] 6 x [23, 24, 92] 2 x [54, 88, 89] 9 x [32, 62, 84] 6 x [12, 34, 66] 8 x [15, 42, 78] 1 x [13, 32, 63] 9 x [7, 10, 40] 1 x [24, 88, 90] 10 x [55, 73, 95] 7 x [47, 83, 94] 1 x [3, 27, 31] 9 x [58, 69, 91] 4 x [9, 30, 67] 2 x [49, 64, 100] 5 x [6, 70, 77] 1 x [25, 25, 79] 8 x [1, 2, 4] 10 x [11, 18, 86] 1 x [16, 78, 82] 2 x [16, 70, 76] 2 x [8, 35, 51] 1 x [71, 81, 91] 1 x [81, 82] 1 x [9, 54, 81] 1 x [28, 33, 61] 1 x [45, 58, 100] 1 x [37, 45, 76] 1 x [22, 37, 45] 1 x [1, 2, 30]