Build (method = -2) #dp: 281 Step-3' Graph: 35 vertices and 157 arcs (0.00s) Step-4' Graph: 25 vertices and 137 arcs (0.00s) #V4/#V3 = 0.71 #A4/#A3 = 0.87 Ready! (0.00s) Optimize a model with 45 rows, 138 columns and 371 nonzeros Presolve removed 16 rows and 28 columns Presolve time: 0.00s Presolved: 29 rows, 110 columns, 294 nonzeros Variable types: 0 continuous, 110 integer (0 binary) Found heuristic solution: objective 1651.0000000 Optimize a model with 29 rows, 110 columns and 294 nonzeros Presolved: 29 rows, 110 columns, 294 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.370e+02 Factor NZ : 3.540e+02 Factor Ops : 5.234e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.36008133e+03 -1.00275822e+04 1.49e+04 2.22e-16 2.59e+02 0s 1 2.24685321e+03 -3.38690908e+03 1.29e+03 6.66e-16 3.71e+01 0s 2 1.58419173e+03 8.09573855e+00 2.06e+00 5.00e-16 6.92e+00 0s 3 1.28040060e+03 7.29571573e+02 2.82e-03 4.30e-16 2.42e+00 0s 4 1.19099569e+03 1.06360908e+03 4.71e-04 3.89e-16 5.59e-01 0s 5 1.17416605e+03 1.11912861e+03 1.18e-04 3.94e-16 2.41e-01 0s 6 1.16556894e+03 1.14442696e+03 2.83e-05 3.33e-16 9.27e-02 0s 7 1.16222331e+03 1.15840757e+03 6.89e-06 2.79e-16 1.67e-02 0s 8 1.16147647e+03 1.16120772e+03 7.65e-07 5.96e-16 1.18e-03 0s 9 1.16133413e+03 1.16133311e+03 1.93e-09 4.02e-16 4.49e-06 0s 10 1.16133333e+03 1.16133333e+03 1.23e-12 5.06e-16 4.49e-09 0s Barrier solved model in 10 iterations and 0.00 seconds Optimal objective 1.16133333e+03 Root relaxation: objective 1.161333e+03, 29 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1161.33333 0 6 1651.00000 1161.33333 29.7% - 0s H 0 0 1162.0000000 1161.33333 0.06% - 0s Explored 0 nodes (31 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.162000000000e+03, best bound 1.162000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.01 seconds Objective: 1162 Solution: 150 x [9] 75 x [16] 192 x [2] 32 x [12] 106 x [12, 15] 26 x [6, 12] 63 x [1, 18] 53 x [10, 11] 79 x [4, 11] 22 x [3, 11] 160 x [5, 20] 23 x [5, 7] 35 x [7, 17] 19 x [7, 20] 12 x [14, 14, 20] 55 x [1, 7, 14] 1 x [11, 13] 14 x [11, 13, 13] 1 x [13, 19] 23 x [13, 19, 19] 21 x [8, 8, 13]