Build (method = -2) #dp: 277 Step-3' Graph: 17 vertices and 92 arcs (0.00s) Step-4' Graph: 16 vertices and 90 arcs (0.00s) #V4/#V3 = 0.94 #A4/#A3 = 0.98 Ready! (0.00s) Optimize a model with 56 rows, 91 columns and 250 nonzeros Presolve removed 43 rows and 56 columns Presolve time: 0.00s Presolved: 13 rows, 35 columns, 90 nonzeros Variable types: 0 continuous, 35 integer (0 binary) Found heuristic solution: objective 2222.0000000 Found heuristic solution: objective 2167.0000000 Optimize a model with 13 rows, 35 columns and 90 nonzeros Presolved: 13 rows, 35 columns, 90 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 4.200e+01 Factor NZ : 9.100e+01 Factor Ops : 8.190e+02 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.35186605e+03 -1.26899085e+03 2.00e+03 2.22e-16 1.42e+02 0s 1 2.18800005e+03 7.76599687e+02 3.41e-13 2.22e-16 1.89e+01 0s 2 1.98202132e+03 1.80380009e+03 1.14e-13 3.33e-16 2.38e+00 0s 3 1.90826940e+03 1.89380527e+03 1.71e-13 1.11e-16 1.93e-01 0s 4 1.90703546e+03 1.90698685e+03 1.88e-12 2.22e-16 6.48e-04 0s 5 1.90700000e+03 1.90700000e+03 1.43e-12 1.37e-16 1.59e-09 0s Barrier solved model in 5 iterations and 0.00 seconds Optimal objective 1.90700000e+03 Root relaxation: objective 1.907000e+03, 17 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1907.0000000 1907.00000 0.0% - 0s Explored 0 nodes (17 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.907000000000e+03, best bound 1.907000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 1907 Solution: 2 x [37] 75 x [24] 68 x [16] 55 x [2] 58 x [35] 72 x [26] 57 x [8] 33 x [25] 82 x [12] 19 x [13] 4 x [18] 13 x [6] 99 x [39] 80 x [15] 30 x [31] 88 x [38] 13 x [19] 53 x [9] 39 x [5] 11 x [5, 11] 1 x [7] 67 x [33] 66 x [20] 61 x [11, 14] 81 x [10] 53 x [3] 1 x [36] 72 x [1, 36] 95 x [4] 65 x [17] 30 x [17, 40] 56 x [22, 30] 61 x [21, 27] 86 x [32, 34] 1 x [21, 34] 12 x [21, 23] 44 x [23, 30] 48 x [29, 29] 14 x [21, 28] 42 x [28, 28]