Build (method = -2) #dp: 218 Step-3' Graph: 28 vertices and 116 arcs (0.00s) Step-4' Graph: 18 vertices and 96 arcs (0.00s) #V4/#V3 = 0.64 #A4/#A3 = 0.83 Ready! (0.00s) Optimize a model with 38 rows, 97 columns and 262 nonzeros Presolve removed 12 rows and 14 columns Presolve time: 0.00s Presolved: 26 rows, 83 columns, 224 nonzeros Variable types: 0 continuous, 83 integer (0 binary) Found heuristic solution: objective 1950.0000000 Found heuristic solution: objective 1814.0000000 Optimize a model with 26 rows, 83 columns and 224 nonzeros Presolved: 26 rows, 83 columns, 224 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.090e+02 Factor NZ : 2.850e+02 Factor Ops : 3.825e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.47417443e+03 -1.17695437e+04 1.76e+04 2.22e-16 4.05e+02 0s 1 2.92757602e+03 -4.17379827e+03 2.28e+03 5.55e-16 6.84e+01 0s 2 1.48576999e+03 -1.44662940e+02 8.86e+00 4.72e-16 9.31e+00 0s 3 1.00833915e+03 7.50033240e+02 3.53e-01 2.22e-16 1.47e+00 0s 4 9.47531924e+02 8.90673689e+02 4.13e-02 1.61e-16 3.23e-01 0s 5 9.29791603e+02 9.17729602e+02 6.15e-03 1.66e-16 6.85e-02 0s 6 9.26019613e+02 9.22811764e+02 4.93e-04 2.42e-16 1.82e-02 0s 7 9.25755741e+02 9.25747662e+02 3.25e-06 1.67e-16 4.59e-05 0s 8 9.25750006e+02 9.25749998e+02 1.65e-11 3.33e-16 4.59e-08 0s 9 9.25750000e+02 9.25750000e+02 1.82e-12 2.22e-16 4.96e-14 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 9.25750000e+02 Root relaxation: objective 9.257500e+02, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 925.75000 0 5 1814.00000 925.75000 49.0% - 0s H 0 0 926.0000000 925.75000 0.03% - 0s Explored 0 nodes (33 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 9.260000000000e+02, best bound 9.260000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 926 Solution: 12 x [1, 4] 48 x [17, 19] 2 x [15, 17] 1 x [4, 17] 37 x [2, 4] 85 x [5, 14] 14 x [5, 15] 118 x [3, 14] 36 x [9, 12] 183 x [8, 9] 111 x [4, 13] 52 x [11, 15] 9 x [12, 16] 6 x [15, 16] 3 x [7, 10] 60 x [6, 10] 41 x [4, 6, 20] 1 x [6, 20] 35 x [6, 20, 20] 72 x [10, 18, 18]