Instance: rand-2-40-80-103-800-15_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:51
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 103
General features
Number of coarse blocks: 16,320
Number of unique subscopes: 38
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 206 1.01e+31 71.39 0.00 0.00 0.00
Coarse blocks size 3 32 16.03 16.00 261,600 MAX VALUE 44,851.60 3.58 0.22 2.69
Relational linkage 0.04 0.28 0.15 0.15 457.54 0.00 -5,820.06 0.03 0.20 2.28
Tightness 0.79 0.81 0.80 0.80 82.36 0.00 -23.03 0.01 0.01 4.11
Tuples 1,210 1,356 1,282.43 1,284.00 132,090 MAX VALUE 737.09 33.16 0.03 4.11
Domain size 80 80 80.00 80.00 3,200 MAX VALUE 175.28 0.00 0.00 0.00
Constraints per subscope 2 11 5.37 5.00 204 2.30e+26 60.70 2.15 0.40 1.99
Partitions per subscope 80 80 80.00 80.00 3,040 MAX VALUE 166.52 0.00 0.00 0.00
Tree decomposition
Number of clusters: 27
Number of leaves: 12
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 1 22 6.67 5.00 180 1.81e+18 42.04 5.62 0.84 2.43
Cluster variables 2 14 6.33 6.00 171 1.22e+20 46.25 3.21 0.51 2.20
Separator constraints 0 16 2.85 1.00 77 0 None 4.26 1.49 1.82
Separator variables 0 12 4.85 4.00 131 0 None 2.99 0.62 2.20
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
Tree depth: 6
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 104 34.00 27.00 1,292 MAX VALUE 120.65 26.52 0.78 3.31
Cluster variables 2 40 13.92 11.50 529 MAX VALUE 92.91 8.89 0.64 2.80
Separator constraints 0 63 19.97 16.00 759 0 None 16.56 0.83 3.11
Separator variables 0 28 11.21 9.00 426 0 None 6.95 0.62 2.78
Primal graph
Density: 13.21%
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 0.40 None 0.17 None None None None None 2.53
Degree 1 11 5.15 5.00 206 2.30e+26 60.70 2.30 0.45 2.09
Eccentricity 3 6 4.38 4.00 175 2.61e+25 58.52 0.70 0.16 1.05
Triangulated primal graph
Density: 28.46%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.75 None None None None None 3.04
Degree 1 23 11.10 8.50 444 9.97e+35 82.89 7.67 0.69 2.86
Eccentricity 3 5 3.62 4.00 145 1.42e+22 51.01 0.58 0.16 0.85
Dual graph
Density: 10.15%
MCB compute time (ms): 197
MCB cycles: 447
Triangles: 944
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.50 None None None None None 3.66
Degree 1 18 10.35 10.00 1,066 MAX VALUE 233.69 3.37 0.33 2.54
Eccentricity 3 5 4.04 4.00 416 MAX VALUE 143.16 0.44 0.11 0.62
MCB cycle size 3 5 3.14 3.00 1,402 MAX VALUE 508.11 0.39 0.12 0.41
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 44
MCB cycles: 64
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 None 0.00 None None None None None 0.20
Degree 1 4 3.22 3.00 332 MAX VALUE 117.84 0.68 0.21 1.01
Eccentricity 6 8 6.77 7.00 697 MAX VALUE 196.52 0.61 0.09 0.91
MCB cycle size 3 9 6.83 7.00 437 MAX VALUE 121.60 1.27 0.19 1.51
Triangulated dual graph
Density: 34.80%
Triangles: 20,911
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.62 1.00 None 0.78 None None None None None 4.15
Degree 1 65 35.50 36.00 3,656 MAX VALUE 338.06 21.04 0.59 3.56
Eccentricity 2 4 3.22 3.00 332 MAX VALUE 119.42 0.48 0.15 0.69
Triangulated minimal dual graph
Density: 11.35%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.67 None None None None None 3.14
Degree 1 37 11.57 5.00 1,192 MAX VALUE 202.93 11.24 0.97 2.88
Eccentricity 3 5 3.95 4.00 407 MAX VALUE 140.32 0.60 0.15 0.90
Incidence graph
Density: 2.03%
MCB compute time (ms): 57
MCB cycles: 64
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 None 0.00 None None None None None 0.28
Degree 1 11 2.88 2.00 412 MAX VALUE 132.09 1.86 0.65 1.11
Eccentricity 7 12 8.90 9.00 1,272 MAX VALUE 311.54 1.06 0.12 1.40
MCB cycle size 6 10 7.31 8.00 468 MAX VALUE 126.43 1.24 0.17 0.91