Build (method = -2) #dp: 1908 Step-3' Graph: 423 vertices and 1262 arcs (0.01s) Step-4' Graph: 167 vertices and 750 arcs (0.01s) #V4/#V3 = 0.39 #A4/#A3 = 0.59 Ready! (0.01s) Optimize a model with 206 rows, 751 columns and 1923 nonzeros Presolve removed 48 rows and 63 columns Presolve time: 0.01s Presolved: 158 rows, 688 columns, 1872 nonzeros Variable types: 0 continuous, 688 integer (190 binary) Found heuristic solution: objective 290.0000000 Optimize a model with 158 rows, 688 columns and 1872 nonzeros Presolved: 158 rows, 688 columns, 1872 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.165e+03 Factor NZ : 3.726e+03 Factor Ops : 1.110e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.10142988e+03 -9.05968519e+03 1.47e+04 1.44e-01 5.68e+01 0s 1 7.78570981e+02 -4.29511346e+03 2.71e+03 4.44e-16 1.18e+01 0s 2 4.02994114e+02 -1.37842788e+03 2.67e+02 4.44e-16 1.92e+00 0s 3 3.15021194e+02 -2.08228631e+02 4.42e+01 5.55e-16 4.46e-01 0s 4 2.80289890e+02 6.89105399e+01 8.26e+00 2.50e-16 1.61e-01 0s 5 2.56366755e+02 1.59590885e+02 3.23e+00 2.36e-16 7.24e-02 0s 6 2.37273249e+02 2.20780829e+02 5.49e-01 2.22e-16 1.22e-02 0s 7 2.33387572e+02 2.28317028e+02 1.38e-01 2.22e-16 3.72e-03 0s 8 2.32266395e+02 2.31254005e+02 9.82e-03 2.22e-16 7.32e-04 0s 9 2.32017919e+02 2.31946560e+02 3.91e-04 2.22e-16 5.14e-05 0s 10 2.32000018e+02 2.31999946e+02 2.27e-13 3.11e-16 5.16e-08 0s 11 2.32000000e+02 2.32000000e+02 3.47e-13 3.33e-16 5.17e-14 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 2.32000000e+02 Root relaxation: objective 2.320000e+02, 215 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 232.0000000 232.00000 0.0% - 0s Explored 0 nodes (215 simplex iterations) in 0.03 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.320000000000e+02, best bound 2.320000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.03 seconds Total run time: 0.05 seconds Objective: 232 Solution: 3 x [1] 1 x [1, 31] 13 x [2] 3 x [3] 15 x [4] 4 x [5] 4 x [5, 35] 4 x [5, 38] 2 x [6] 11 x [6, 31] 1 x [6, 38] 12 x [7] 1 x [7, 33, 39] 3 x [7, 34] 19 x [8] 4 x [9] 2 x [9, 30] 1 x [9, 32] 4 x [9, 36] 1 x [10, 28] 7 x [10, 29] 12 x [11, 27] 8 x [12, 26] 4 x [13, 23] 8 x [13, 26] 8 x [14, 24] 1 x [14, 25] 1 x [14, 26, 37] 1 x [14, 26, 39] 7 x [14, 27] 3 x [15, 24] 4 x [15, 29] 7 x [15, 29, 35] 10 x [16, 23] 3 x [17, 18] 10 x [17, 20] 7 x [17, 22] 5 x [18, 19] 6 x [18, 20] 11 x [21, 22] 1 x [24, 27, 29]