Build (method = -2) #dp: 1536 Step-3' Graph: 255 vertices and 758 arcs (0.01s) Step-4' Graph: 122 vertices and 492 arcs (0.01s) #V4/#V3 = 0.48 #A4/#A3 = 0.65 Ready! (0.01s) Optimize a model with 162 rows, 493 columns and 1239 nonzeros Presolve removed 23 rows and 29 columns Presolve time: 0.00s Presolved: 139 rows, 464 columns, 1170 nonzeros Variable types: 0 continuous, 464 integer (0 binary) Found heuristic solution: objective 465.0000000 Optimize a model with 139 rows, 464 columns and 1170 nonzeros Presolved: 139 rows, 464 columns, 1170 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.110e+02 Factor NZ : 2.824e+03 Factor Ops : 7.048e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.37348287e+03 -1.82061814e+04 2.37e+04 1.11e-16 1.37e+02 0s 1 1.42527595e+03 -8.40826680e+03 3.35e+03 6.66e-16 2.38e+01 0s 2 6.75427666e+02 -2.03863409e+03 4.17e+02 8.88e-16 4.10e+00 0s 3 5.11165517e+02 -3.86495136e+02 2.32e+01 1.55e-15 9.84e-01 0s 4 4.41970231e+02 -8.25813989e+00 5.03e+00 5.55e-16 4.79e-01 0s 5 4.00955126e+02 1.81212409e+02 1.75e+00 5.48e-16 2.32e-01 0s 6 3.73867081e+02 2.75928213e+02 6.20e-01 4.82e-16 1.03e-01 0s 7 3.58619865e+02 3.28915862e+02 2.24e-01 5.34e-16 3.13e-02 0s 8 3.52600926e+02 3.50086383e+02 8.41e-03 4.81e-16 2.65e-03 0s 9 3.52003159e+02 3.51994602e+02 1.52e-05 4.29e-16 9.01e-06 0s 10 3.52000003e+02 3.51999995e+02 1.58e-13 6.66e-16 9.01e-09 0s 11 3.52000000e+02 3.52000000e+02 1.16e-13 6.45e-16 9.01e-12 0s Barrier solved model in 11 iterations and 0.01 seconds Optimal objective 3.52000000e+02 Root relaxation: objective 3.520000e+02, 193 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 352.0000000 352.00000 0.0% - 0s Explored 0 nodes (193 simplex iterations) in 0.02 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 3.520000000000e+02, best bound 3.520000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.02 seconds Total run time: 0.04 seconds Objective: 352 Solution: 15 x [29] 11 x [19, 29] 4 x [15] 1 x [13, 14, 15] 18 x [15, 19] 27 x [3, 23] 7 x [13, 23] 2 x [12] 10 x [12, 38] 1 x [12, 13, 14] 15 x [12, 17] 2 x [12, 14] 9 x [1, 39] 6 x [1, 13] 5 x [32] 2 x [19, 32] 26 x [33, 35] 10 x [4] 2 x [4, 14] 11 x [31] 1 x [31, 34] 2 x [20] 4 x [7, 20] 17 x [20, 25] 8 x [7, 28] 23 x [16, 28] 3 x [2, 36] 29 x [34, 36] 2 x [13, 14, 36] 16 x [21, 30] 5 x [26, 30] 6 x [24, 26] 8 x [10, 27] 9 x [27, 37] 2 x [8, 18] 12 x [6, 18] 2 x [6, 10] 4 x [10, 11] 5 x [18, 22] 2 x [24, 37] 2 x [24, 37, 38] 2 x [24, 37, 40] 2 x [9, 24] 2 x [5, 9, 24]