Instance: rand-2-40-8-753-100-33_ext
Number of variables: 40
Number of constraints: 753
Satisfiable: None
Timestamp: 2017-10-27 10:56:19
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 753
General features
Number of coarse blocks: 12,048
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 1,506 MAX VALUE 521.94 0.00 0.00 0.00
Coarse blocks size 2 8 7.19 7.00 86,602 MAX VALUE 23,670.20 0.85 0.12 1.16
Relational linkage 0.25 0.75 0.63 0.62 200.88 0.00 -152.54 0.09 0.14 1.03
Tightness 0.02 0.25 0.10 0.09 76.42 0.00 -1,784.17 0.04 0.37 2.28
Tuples 48 63 57.50 58.00 43,301 MAX VALUE 3,050.37 2.43 0.04 2.28
Domain size 8 8 8.00 8.00 320 1.33e+36 83.18 0.00 0.00 0.00
Constraints per subscope 34 39 37.65 38.00 1,506 MAX VALUE 145.12 1.11 0.03 1.40
Partitions per subscope 8 8 8.00 8.00 320 1.33e+36 83.18 0.00 0.00 0.00
Tree decomposition
Number of clusters: 3
Number of leaves: 2
Tree depth: 1
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 576 684 635.33 646.00 1,906 254,514,000 19.35 44.73 0.07 1.10
Cluster variables 35 38 36.67 37.00 110 49,210 10.80 1.25 0.03 1.10
Separator constraints 0 611 384.33 542.00 1,153 0 None 273.22 0.71 1.10
Separator variables 0 36 23.33 34.00 70 0 None 16.52 0.71 1.10
Dual tree decomposition
Number of clusters: 38
Number of leaves: 20
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1,223 11,850 3,035.05 1,520.00 115,332 MAX VALUE 295.31 2,574.47 0.85 3.08
Cluster variables 69 491 146.34 77.00 5,561 MAX VALUE 181.88 108.21 0.74 2.79
Separator constraints 0 6,514 2,308.16 1,444.00 87,710 0 None 1,489.83 0.65 3.05
Separator variables 0 363 126.53 76.00 4,808 0 None 82.37 0.65 2.79
Primal graph
Density: 96.54%
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.96 0.97 0.97 0.96 38.62 0.24 -1.41 0.00 0.00 2.37
Degree 34 39 37.65 38.00 1,506 MAX VALUE 145.12 1.11 0.03 1.40
Eccentricity 1 2 1.75 2.00 70 1.07e+09 20.79 0.43 0.25 0.56
Triangulated primal graph
Density: 99.10%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.99 1.00 0.99 0.99 39.68 0.72 -0.33 0.00 0.00 0.64
Degree 34 39 38.65 39.00 1,546 MAX VALUE 146.17 0.94 0.02 0.64
Eccentricity 1 2 1.18 1.00 47 128 4.85 0.38 0.32 0.46
Dual graph
Density: 9.76%
MCB compute time (ms): 30,678
MCB cycles: 26,870
Triangles: 337,730
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.51 0.51 0.51 0.51 381.52 0.00 -511.97 0.00 0.00 2.17
Degree 68 76 73.37 73.00 55,244 MAX VALUE 3,234.31 1.51 0.02 1.80
Eccentricity 2 3 2.00 2.00 1,508 MAX VALUE 522.75 0.05 0.03 0.02
MCB cycle size 3 3 3.00 3.00 80,610 MAX VALUE 29,519.70 0.00 0.00 0.00
Minimal dual graph
Density: 0.52%
MCB compute time (ms): 8,751
MCB cycles: 719
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.33 0.00 0.00 0.83 0.00 None 0.02 16.43 0.03
Degree 2 7 3.89 4.00 2,932 MAX VALUE 1,001.78 0.97 0.25 1.26
Eccentricity 9 14 11.86 12.00 8,930 MAX VALUE 1,858.64 1.15 0.10 1.54
MCB cycle size 3 14 6.11 6.00 4,390 MAX VALUE 1,285.07 1.26 0.21 1.58
Triangulated dual graph
Density: None%
Triangles: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient None None None None None None None None None None
Degree None None None None None None None None None None
Eccentricity None None None None None None None None None None
Triangulated minimal dual graph
Density: 6.73%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 0.81 0.77 611.41 0.00 -170.02 0.15 0.19 4.09
Degree 2 216 50.62 9.00 38,118 MAX VALUE 2,084.41 69.68 1.38 3.80
Eccentricity 3 6 4.54 5.00 3,417 MAX VALUE 1,132.23 0.59 0.13 0.89
Incidence graph
Density: 0.48%
MCB compute time (ms): 969
MCB cycles: 714
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 39 3.80 2.00 3,012 MAX VALUE 667.06 7.81 2.06 0.27
Eccentricity 3 6 4.05 4.00 3,213 MAX VALUE 1,107.75 0.28 0.07 0.31
MCB cycle size 6 6 6.00 6.00 4,284 MAX VALUE 1,279.32 0.00 0.00 0.00