Build (method = -2) #dp: 194 Step-3' Graph: 24 vertices and 94 arcs (0.00s) Step-4' Graph: 16 vertices and 78 arcs (0.00s) #V4/#V3 = 0.67 #A4/#A3 = 0.83 Ready! (0.00s) Optimize a model with 36 rows, 79 columns and 212 nonzeros Presolve removed 13 rows and 15 columns Presolve time: 0.00s Presolved: 23 rows, 64 columns, 171 nonzeros Variable types: 0 continuous, 64 integer (0 binary) Found heuristic solution: objective 1997.0000000 Found heuristic solution: objective 1818.0000000 Optimize a model with 23 rows, 64 columns and 171 nonzeros Presolved: 23 rows, 64 columns, 171 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 8.200e+01 Factor NZ : 2.160e+02 Factor Ops : 2.464e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.09167924e+03 -7.59942058e+03 1.02e+04 2.22e-16 3.21e+02 0s 1 2.36086366e+03 -2.03236714e+03 7.40e+02 2.22e-16 4.33e+01 0s 2 1.71259846e+03 -9.61895782e+01 5.40e+01 3.55e-15 1.36e+01 0s 3 1.43234439e+03 1.12023058e+03 2.76e-02 2.22e-16 2.28e+00 0s 4 1.31628788e+03 1.24858358e+03 3.25e-03 1.11e-16 4.94e-01 0s 5 1.29549600e+03 1.28333690e+03 3.09e-04 1.12e-16 8.88e-02 0s 6 1.29171830e+03 1.29156942e+03 6.83e-06 8.20e-17 1.09e-03 0s 7 1.29166667e+03 1.29166667e+03 2.02e-11 3.33e-16 5.94e-09 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.29166667e+03 Root relaxation: objective 1.291667e+03, 17 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1291.66667 0 3 1818.00000 1291.66667 29.0% - 0s H 0 0 1292.0000000 1291.66667 0.03% - 0s Explored 0 nodes (25 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.292000000000e+03, best bound 1.292000000000e+03, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 1292 Solution: 113 x [7] 125 x [20] 131 x [11] 29 x [3] 87 x [3, 6] 35 x [3, 12] 83 x [13] 3 x [10, 13] 145 x [17] 53 x [10, 16] 1 x [19] 139 x [4, 9] 9 x [4, 15] 108 x [15, 18] 84 x [2, 5] 3 x [2, 4] 96 x [8, 14] 5 x [14, 14] 12 x [1, 1, 18] 31 x [1, 1, 1]