Build (method = -2) #dp: 683 Step-3' Graph: 56 vertices and 338 arcs (0.00s) Step-4' Graph: 39 vertices and 304 arcs (0.00s) #V4/#V3 = 0.70 #A4/#A3 = 0.90 Ready! (0.00s) Optimize a model with 76 rows, 305 columns and 844 nonzeros Presolve removed 21 rows and 23 columns Presolve time: 0.00s Presolved: 55 rows, 282 columns, 776 nonzeros Variable types: 0 continuous, 282 integer (6 binary) Found heuristic solution: objective 399.0000000 Found heuristic solution: objective 311.0000000 Optimize a model with 55 rows, 282 columns and 776 nonzeros Presolved: 55 rows, 282 columns, 776 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 3.800e+02 Factor NZ : 1.054e+03 Factor Ops : 2.410e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.57810713e+03 -4.60368815e+03 6.00e+03 1.07e-01 6.43e+01 0s 1 7.74105457e+02 -1.74702691e+03 7.09e+02 6.66e-16 9.67e+00 0s 2 3.53913487e+02 -3.05122584e+02 2.30e+01 2.22e-15 1.24e+00 0s 3 2.60347191e+02 3.23210657e+01 3.00e-01 7.77e-16 3.93e-01 0s 4 2.13992430e+02 1.47073584e+02 2.28e-02 5.10e-16 1.15e-01 0s 5 2.05608495e+02 1.90536930e+02 7.20e-03 6.10e-16 2.59e-02 0s 6 2.03186651e+02 2.02225917e+02 3.47e-04 6.66e-16 1.65e-03 0s 7 2.03000036e+02 2.02999719e+02 8.20e-08 6.94e-16 5.45e-07 0s 8 2.03000000e+02 2.03000000e+02 1.74e-13 4.11e-16 5.45e-10 0s 9 2.03000000e+02 2.03000000e+02 4.53e-13 5.11e-16 6.33e-16 0s Barrier solved model in 9 iterations and 0.00 seconds Optimal objective 2.03000000e+02 Root relaxation: objective 2.030000e+02, 119 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 203.0000000 203.00000 0.0% - 0s Explored 0 nodes (180 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 2.030000000000e+02, best bound 2.030000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 203 Solution: 16 x [22, 34] 7 x [2, 28] 2 x [2, 20] 11 x [9, 11] 2 x [9, 27] 12 x [29, 36] 1 x [29, 35] 9 x [13, 35] 4 x [18, 33] 1 x [29, 32] 10 x [16, 32] 17 x [10, 32] 1 x [27, 30] 10 x [3, 24] 12 x [1, 12] 7 x [28, 31] 2 x [7] 1 x [7, 28] 1 x [5, 19] 7 x [5, 15] 13 x [14, 21] 1 x [3, 14] 2 x [8] 2 x [8, 17] 9 x [8, 27] 5 x [6] 6 x [6, 26] 5 x [6, 25, 25] 1 x [4, 26] 18 x [4, 23] 5 x [3, 4] 2 x [37] 1 x [3, 37]