Build (method = -2) #dp: 222 Step-3' Graph: 67 vertices and 194 arcs (0.00s) Step-4' Graph: 23 vertices and 106 arcs (0.00s) #V4/#V3 = 0.34 #A4/#A3 = 0.55 Ready! (0.00s) Optimize a model with 43 rows, 107 columns and 279 nonzeros Presolve removed 17 rows and 29 columns Presolve time: 0.00s Presolved: 26 rows, 78 columns, 202 nonzeros Variable types: 0 continuous, 78 integer (0 binary) Found heuristic solution: objective 1362.0000000 Optimize a model with 26 rows, 78 columns and 202 nonzeros Presolved: 26 rows, 78 columns, 202 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.010e+02 Factor NZ : 2.810e+02 Factor Ops : 3.681e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.61775048e+03 -4.23653727e+03 3.46e+03 2.22e-16 9.58e+01 0s 1 1.64772739e+03 -6.44748763e+02 1.14e+02 3.33e-16 1.52e+01 0s 2 1.33037674e+03 7.55751951e+02 4.40e+00 1.67e-16 3.52e+00 0s 3 1.19071100e+03 1.09987696e+03 3.91e-01 2.08e-16 5.54e-01 0s 4 1.16863318e+03 1.15330324e+03 2.36e-02 2.22e-16 9.35e-02 0s 5 1.16506336e+03 1.16243904e+03 8.54e-03 1.50e-16 1.60e-02 0s 6 1.16358803e+03 1.16335609e+03 5.17e-04 3.33e-16 1.41e-03 0s 7 1.16350010e+03 1.16349991e+03 4.33e-13 1.49e-16 1.16e-06 0s 8 1.16350000e+03 1.16350000e+03 3.14e-12 1.23e-16 1.16e-09 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 1.16350000e+03 Root relaxation: objective 1.163500e+03, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1163.50000 0 4 1362.00000 1163.50000 14.6% - 0s H 0 0 1164.0000000 1163.50000 0.04% - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.164000000000e+03, best bound 1.164000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 1164 Solution: 150 x [1] 49 x [2] 26 x [2, 20] 192 x [3] 58 x [4] 106 x [4, 19] 63 x [5, 17] 53 x [6, 13] 79 x [7, 13] 11 x [8, 13] 5 x [8, 14] 6 x [8, 16] 130 x [9, 11] 53 x [9, 12] 35 x [10, 11] 1 x [11] 25 x [11, 12] 54 x [12, 17, 18] 1 x [13, 16, 17] 25 x [13, 16, 18] 42 x [14, 15, 16]