Instance: rand-2-40-16-250-350-92_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:50
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 250
General features
Number of coarse blocks: 8,000
Number of unique subscopes: 40
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 500 MAX VALUE 173.29 0.00 0.00 0.00
Coarse blocks size 3 16 10.41 10.00 83,254 MAX VALUE 18,599.20 1.88 0.18 2.05
Relational linkage 0.19 0.62 0.45 0.44 290.12 0.00 -515.72 0.07 0.16 1.56
Tightness 0.27 0.45 0.35 0.35 87.39 0.00 -263.69 0.03 0.09 3.36
Tuples 140 186 166.51 167.00 41,627 MAX VALUE 1,278.49 7.71 0.05 3.36
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 6 18 12.50 12.00 500 MAX VALUE 100.16 2.52 0.20 2.08
Partitions per subscope 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 17
Number of leaves: 8
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 10 96 46.65 40.00 793 1.97e+27 62.85 23.48 0.50 2.59
Cluster variables 7 24 15.35 14.00 261 5.88e+19 45.52 4.91 0.32 2.15
Separator constraints 0 71 31.94 26.00 543 0 None 21.92 0.69 2.75
Separator variables 0 21 13.00 13.00 221 0 None 5.48 0.42 2.15
Dual tree decomposition
Number of clusters: 38
Number of leaves: 18
Tree depth: 5
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 62 749 257.03 215.00 9,767 MAX VALUE 203.67 170.26 0.66 3.53
Cluster variables 15 119 42.18 31.50 1,603 MAX VALUE 135.86 27.50 0.65 3.28
Separator constraints 0 452 178.03 156.50 6,765 0 None 99.77 0.56 3.46
Separator variables 0 96 35.61 29.00 1,353 0 None 21.02 0.59 3.27
Primal graph
Density: 32.05%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.22 0.42 0.32 0.33 12.99 0.00 -45.50 0.05 0.16 3.16
Degree 6 18 12.50 12.00 500 MAX VALUE 100.16 2.52 0.20 2.08
Eccentricity 2 3 2.25 2.00 90 6.34e+13 31.78 0.43 0.19 0.56
Triangulated primal graph
Density: 63.72%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.85 0.83 34.17 0.00 -6.53 0.09 0.11 3.24
Degree 6 35 24.85 29.00 994 MAX VALUE 124.74 9.00 0.36 2.85
Eccentricity 2 3 2.12 2.00 85 8.35e+12 29.75 0.33 0.16 0.38
Dual graph
Density: 9.64%
MCB compute time (ms): 3,341
MCB cycles: 2,902
Triangles: 11,845
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 0.62 0.50 0.50 125.99 0.00 -171.43 0.02 0.03 4.37
Degree 14 32 24.02 24.00 6,004 MAX VALUE 792.06 3.39 0.14 2.59
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.03 3.00 8,791 MAX VALUE 3,212.63 0.17 0.06 0.13
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 326
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 6 3.68 4.00 920 MAX VALUE 320.51 0.77 0.21 1.10
Eccentricity 6 8 7.10 7.00 1,775 MAX VALUE 489.34 0.52 0.07 0.78
MCB cycle size 4 10 6.82 7.00 1,439 MAX VALUE 401.68 1.18 0.17 1.57
Triangulated dual graph
Density: 50.05%
Triangles: 612,009
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.84 0.83 210.13 0.00 -44.63 0.08 0.10 4.78
Degree 14 194 124.62 150.00 31,156 MAX VALUE 1,163.00 57.13 0.46 4.17
Eccentricity 2 3 2.23 2.00 557 MAX VALUE 196.40 0.42 0.19 0.54
Triangulated minimal dual graph
Density: 11.29%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.56 1.00 0.82 0.78 204.82 0.00 -53.60 0.14 0.17 3.49
Degree 2 89 28.12 7.00 7,030 MAX VALUE 626.56 32.71 1.16 3.09
Eccentricity 3 5 3.65 4.00 912 MAX VALUE 321.06 0.50 0.14 0.72
Incidence graph
Density: 1.19%
MCB compute time (ms): 225
MCB cycles: 211
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.00 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 18 3.45 2.00 1,000 MAX VALUE 273.45 3.74 1.08 0.69
Eccentricity 5 7 5.92 6.00 1,716 MAX VALUE 515.07 0.34 0.06 0.43
MCB cycle size 6 8 6.02 6.00 1,270 MAX VALUE 378.64 0.19 0.03 0.05