Build (method = -2) #dp: 565 Step-3' Graph: 44 vertices and 245 arcs (0.00s) Step-4' Graph: 28 vertices and 213 arcs (0.00s) #V4/#V3 = 0.64 #A4/#A3 = 0.87 Ready! (0.00s) Optimize a model with 63 rows, 214 columns and 593 nonzeros Presolve removed 21 rows and 24 columns Presolve time: 0.00s Presolved: 42 rows, 190 columns, 526 nonzeros Variable types: 0 continuous, 190 integer (11 binary) Found heuristic solution: objective 399.0000000 Found heuristic solution: objective 333.0000000 Optimize a model with 42 rows, 190 columns and 526 nonzeros Presolved: 42 rows, 190 columns, 526 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.460e+02 Factor NZ : 6.350e+02 Factor Ops : 1.136e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.66991509e+03 -2.87967349e+03 3.62e+03 2.22e-16 5.38e+01 0s 1 6.22188073e+02 -1.02135866e+03 4.51e+02 5.55e-16 8.64e+00 0s 2 3.53610385e+02 -7.19580356e+01 1.28e+01 4.66e-15 1.15e+00 0s 3 2.84576668e+02 1.34696940e+02 6.84e-01 1.78e-15 3.81e-01 0s 4 2.52070187e+02 2.19336509e+02 5.96e-02 4.44e-16 8.28e-02 0s 5 2.49083378e+02 2.46049883e+02 5.82e-03 2.59e-16 7.67e-03 0s 6 2.48500819e+02 2.48498231e+02 1.51e-06 3.33e-16 6.54e-06 0s 7 2.48500000e+02 2.48500000e+02 1.51e-12 3.33e-16 6.67e-12 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 2.48500000e+02 Root relaxation: objective 2.485000e+02, 86 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 248.50000 0 3 333.00000 248.50000 25.4% - 0s H 0 0 249.0000000 248.50000 0.20% - 0s Explored 0 nodes (105 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.490000000000e+02, best bound 2.490000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 249 Solution: 19 x [6] 15 x [3] 1 x [33] 4 x [18, 33] 19 x [4] 1 x [23] 10 x [20, 23] 12 x [5, 15] 1 x [14] 4 x [5, 14] 5 x [14, 32] 9 x [16, 30] 6 x [13, 30] 4 x [28] 3 x [13, 28] 10 x [1, 26] 20 x [24] 10 x [21] 4 x [1, 21] 11 x [21, 29] 10 x [13, 21] 3 x [21, 31] 9 x [16, 22] 7 x [17] 5 x [2, 17] 1 x [17, 18] 13 x [8, 10] 7 x [7, 11] 1 x [7, 10] 11 x [27, 35] 5 x [25, 35] 1 x [19, 34] 2 x [25, 27] 1 x [11, 27] 3 x [9, 12] 1 x [11] 1 x [9, 11]