Instance: rand-2-40-16-250-350-72_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:52
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 10.46 11.00 83,648 MAX VALUE 18,633.20 1.92 0.18 2.07
Relational linkage 0.19 0.62 0.46 0.44 293.00 0.00 -509.47 0.08 0.16 1.59
Tightness 0.27 0.43 0.35 0.35 86.62 0.00 -265.96 0.03 0.09 3.40
Tuples 145 187 167.30 167.00 41,824 MAX VALUE 1,279.67 7.85 0.05 3.40
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 6 17 12.50 12.00 500 MAX VALUE 99.82 2.91 0.23 2.33
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: 11
Tree depth: 3
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 9 96 42.65 31.00 725 8.14e+25 59.66 29.17 0.68 2.59
Cluster variables 7 24 14.29 13.00 243 1.20e+19 43.93 5.62 0.39 2.43
Separator constraints 0 84 27.94 19.00 475 0 None 26.29 0.94 2.75
Separator variables 0 23 11.94 11.00 203 0 None 5.89 0.49 2.51
Dual tree decomposition
Number of clusters: 38
Number of leaves: 17
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 61 769 263.63 206.50 10,018 MAX VALUE 203.76 180.61 0.69 3.56
Cluster variables 15 124 42.47 30.50 1,614 MAX VALUE 135.86 27.86 0.66 3.22
Separator constraints 0 435 183.53 165.00 6,974 0 None 104.63 0.57 3.56
Separator variables 0 94 35.89 28.50 1,364 0 None 21.02 0.59 3.15
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 0.20 0.42 0.31 0.31 12.48 0.00 -47.17 0.05 0.17 3.40
Degree 6 17 12.50 12.00 500 MAX VALUE 99.82 2.91 0.23 2.33
Eccentricity 2 3 2.27 2.00 91 9.51e+13 32.19 0.45 0.20 0.59
Triangulated primal graph
Density: 61.41%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.70 1.00 0.86 0.84 34.46 0.00 -6.24 0.10 0.12 2.99
Degree 6 34 23.95 29.00 958 MAX VALUE 122.24 9.62 0.40 2.83
Eccentricity 2 3 2.05 2.00 82 2.47e+12 28.54 0.22 0.11 0.20
Dual graph
Density: 9.78%
MCB compute time (ms): 3,268
MCB cycles: 2,994
Triangles: 12,284
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 0.62 0.51 0.50 126.95 0.00 -169.65 0.02 0.04 4.49
Degree 14 32 24.35 25.00 6,088 MAX VALUE 795.09 3.69 0.15 2.68
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.04 3.00 9,094 MAX VALUE 3,321.47 0.19 0.06 0.16
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 305
MCB cycles: 212
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 319.14 0.85 0.23 1.21
Eccentricity 6 9 7.16 7.00 1,789 MAX VALUE 491.10 0.60 0.08 0.91
MCB cycle size 4 10 6.66 7.00 1,412 MAX VALUE 398.77 1.12 0.17 1.52
Triangulated dual graph
Density: 51.49%
Triangles: 643,477
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.73 1.00 0.84 0.81 210.57 0.00 -44.06 0.08 0.10 4.88
Degree 14 188 128.22 150.50 32,054 MAX VALUE 1,171.99 56.79 0.44 3.94
Eccentricity 2 3 2.20 2.00 549 MAX VALUE 193.16 0.40 0.18 0.49
Triangulated minimal dual graph
Density: 11.50%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 0.82 0.78 204.29 0.00 -54.38 0.14 0.18 3.55
Degree 2 89 28.62 7.50 7,156 MAX VALUE 626.06 33.36 1.17 3.24
Eccentricity 3 5 3.73 4.00 933 MAX VALUE 326.65 0.53 0.14 0.77
Incidence graph
Density: 1.19%
MCB compute time (ms): 218
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 17 3.45 2.00 1,000 MAX VALUE 273.11 3.78 1.10 0.72
Eccentricity 5 7 5.91 6.00 1,715 MAX VALUE 514.94 0.33 0.06 0.40
MCB cycle size 6 8 6.09 6.00 1,284 MAX VALUE 380.65 0.40 0.07 0.18