Build (method = -2) #dp: 600 Step-3' Graph: 57 vertices and 162 arcs (0.00s) Step-4' Graph: 22 vertices and 92 arcs (0.00s) #V4/#V3 = 0.39 #A4/#A3 = 0.57 Ready! (0.00s) Optimize a model with 30 rows, 93 columns and 244 nonzeros Presolve removed 8 rows and 14 columns Presolve time: 0.00s Presolved: 22 rows, 79 columns, 218 nonzeros Variable types: 0 continuous, 79 integer (0 binary) Found heuristic solution: objective 999.0000000 Found heuristic solution: objective 740.0000000 Optimize a model with 22 rows, 79 columns and 218 nonzeros Presolved: 22 rows, 79 columns, 218 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.000e+02 Factor NZ : 1.970e+02 Factor Ops : 2.115e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.11482424e+03 -1.19087618e+04 5.36e+03 2.22e-16 4.20e+02 0s 1 1.30189642e+03 -4.98817618e+03 5.50e+02 4.44e-16 6.17e+01 0s 2 5.34729696e+02 -6.05352009e+02 3.52e+00 4.44e-16 6.93e+00 0s 3 2.13097542e+02 -1.92524764e+01 2.90e-01 2.26e-16 1.40e+00 0s 4 1.75230024e+02 1.30368470e+02 3.48e-02 1.85e-16 2.70e-01 0s 5 1.67186594e+02 1.63891647e+02 4.87e-05 2.22e-16 1.98e-02 0s 6 1.66673567e+02 1.66656944e+02 7.66e-07 3.33e-16 1.00e-04 0s 7 1.66666667e+02 1.66666666e+02 9.34e-13 1.54e-16 2.16e-09 0s Barrier solved model in 7 iterations and 0.00 seconds Optimal objective 1.66666667e+02 Root relaxation: objective 1.666667e+02, 52 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 166.66667 0 9 740.00000 166.66667 77.5% - 0s H 0 0 167.0000000 166.66667 0.20% - 0s Explored 0 nodes (56 simplex iterations) in 0.00 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.670000000000e+02, best bound 1.670000000000e+02, gap 0.0% Preprocessing time: 0.01 seconds Gurobi run time: 0.00 seconds Total run time: 0.01 seconds Objective: 167 Solution: 27 x [1, 2, 3, 5, 5, 6] 84 x [2, 3, 4, 4, 6, 7] 5 x [2, 3, 5, 6, 6, 7] 35 x [2, 5, 6, 6, 7, 7] 1 x [2, 3, 5, 6, 8] 4 x [2, 3, 5, 6, 6, 8] 1 x [2, 3, 5, 6, 6] 10 x [2, 3, 5, 6, 6, 6]