Build (method = -2) #dp: 922 Step-3' Graph: 62 vertices and 198 arcs (0.00s) Step-4' Graph: 32 vertices and 138 arcs (0.00s) #V4/#V3 = 0.52 #A4/#A3 = 0.70 Ready! (0.00s) Optimize a model with 41 rows, 139 columns and 358 nonzeros Presolve removed 7 rows and 16 columns Presolve time: 0.00s Presolved: 34 rows, 123 columns, 324 nonzeros Variable types: 0 continuous, 123 integer (0 binary) Found heuristic solution: objective 95.0000000 Found heuristic solution: objective 35.0000000 Optimize a model with 34 rows, 123 columns and 324 nonzeros Presolved: 34 rows, 123 columns, 324 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.720e+02 Factor NZ : 4.830e+02 Factor Ops : 8.421e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.84531806e+02 -1.55809107e+03 8.67e+02 1.11e-16 3.07e+01 0s 1 1.43608673e+02 -5.94751379e+02 1.06e+02 4.44e-16 5.04e+00 0s 2 6.06523944e+01 -1.14760914e+02 2.63e+00 3.61e-16 7.16e-01 0s 3 2.75633095e+01 -9.45837495e+00 2.28e-01 3.33e-16 1.46e-01 0s 4 1.86699568e+01 7.11417720e+00 5.08e-02 1.11e-16 4.55e-02 0s 5 1.73937550e+01 1.44827020e+01 2.23e-02 2.44e-16 1.15e-02 0s 6 1.66778517e+01 1.66314219e+01 3.67e-05 1.95e-16 1.82e-04 0s 7 1.66666667e+01 1.66666663e+01 2.46e-10 2.17e-16 1.80e-09 0s 8 1.66666667e+01 1.66666667e+01 7.75e-15 1.11e-16 1.80e-12 0s Barrier solved model in 8 iterations and 0.00 seconds Optimal objective 1.66666667e+01 Root relaxation: objective 1.666667e+01, 78 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 16.66667 0 10 35.00000 16.66667 52.4% - 0s H 0 0 17.0000000 16.66667 1.96% - 0s Explored 0 nodes (97 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.01 seconds Total run time: 0.02 seconds Objective: 17 Solution: 5 x [4, 5, 7, 7, 8, 9] 6 x [3, 3, 5, 5, 9, 9] 2 x [1, 2, 3, 4, 5, 5] 1 x [1, 4, 5, 5, 5, 7] 1 x [1, 1, 4, 5, 5, 7] 1 x [2, 4, 5, 6] 1 x [3, 4, 5, 5, 5, 6]