Instance: rand-2-40-80-103-800-79_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:57:53
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 4 29 15.99 16.00 260,999 MAX VALUE 44,815.60 3.56 0.22 2.68
Relational linkage 0.05 0.26 0.15 0.15 456.94 0.00 -5,825.17 0.03 0.20 2.30
Tightness 0.79 0.81 0.80 0.80 82.42 0.00 -22.97 0.00 0.01 4.03
Tuples 1,210 1,360 1,279.07 1,278.00 131,744 MAX VALUE 736.82 28.83 0.02 4.03
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 1.62e+26 60.35 2.19 0.41 1.94
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: 28
Number of leaves: 13
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 16 6.36 6.00 178 3.81e+19 45.09 4.09 0.64 2.42
Cluster variables 2 13 6.36 6.00 178 6.38e+20 47.90 3.31 0.52 2.19
Separator constraints 0 13 2.68 1.00 75 0 None 3.49 1.30 1.97
Separator variables 0 12 4.93 4.50 138 0 None 3.20 0.65 2.26
Dual tree decomposition
Number of clusters: 38
Number of leaves: 12
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 9 95 33.32 22.50 1,266 MAX VALUE 125.54 22.24 0.67 3.19
Cluster variables 5 37 14.08 10.50 535 MAX VALUE 94.98 8.21 0.58 2.75
Separator constraints 0 54 19.18 14.50 729 0 None 13.41 0.70 2.97
Separator variables 0 28 11.37 9.00 432 0 None 6.36 0.56 2.75
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 1.00 None 0.17 None None None None None 2.37
Degree 1 11 5.15 5.00 206 1.62e+26 60.35 2.34 0.45 2.04
Eccentricity 3 5 3.90 4.00 156 2.77e+23 53.98 0.58 0.15 0.88
Triangulated primal graph
Density: 27.69%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 None 0.76 None None None None None 3.10
Degree 1 24 10.80 8.00 432 9.96e+34 80.59 7.74 0.72 2.78
Eccentricity 2 4 3.27 3.00 131 2.27e+20 46.87 0.55 0.17 0.81
Dual graph
Density: 10.22%
MCB compute time (ms): 156
MCB cycles: 449
Triangles: 963
Dot-file path: None
PDF-file path: None

Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.53 0.50 54.59 0.00 -67.04 0.11 0.20 3.52
Degree 4 19 10.43 10.00 1,074 MAX VALUE 236.97 3.02 0.29 2.45
Eccentricity 3 4 3.76 4.00 387 MAX VALUE 135.60 0.43 0.11 0.55
MCB cycle size 3 6 3.14 3.00 1,411 MAX VALUE 510.74 0.43 0.14 0.42
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 34
MCB cycles: 64
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 4 3.22 3.00 332 MAX VALUE 118.71 0.59 0.18 0.88
Eccentricity 5 7 6.45 6.00 664 MAX VALUE 191.61 0.52 0.08 0.74
MCB cycle size 4 9 7.23 8.00 463 MAX VALUE 125.62 1.17 0.16 1.29
Triangulated dual graph
Density: 33.75%
Triangles: 19,007
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.60 1.00 0.80 0.79 82.56 0.00 -23.86 0.12 0.14 4.25
Degree 4 66 34.43 37.00 3,546 MAX VALUE 338.45 20.20 0.59 3.78
Eccentricity 2 3 2.54 3.00 262 MAX VALUE 94.10 0.50 0.20 0.69
Triangulated minimal dual graph
Density: 12.64%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.76 0.68 78.67 0.00 -30.83 0.19 0.24 2.92
Degree 2 39 12.89 6.00 1,328 MAX VALUE 211.42 12.56 0.97 2.85
Eccentricity 3 5 3.82 4.00 393 MAX VALUE 136.81 0.55 0.14 0.82
Incidence graph
Density: 2.03%
MCB compute time (ms): 37
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 0.67
Degree 1 11 2.88 2.00 412 MAX VALUE 131.74 1.88 0.65 1.02
Eccentricity 6 10 8.16 8.00 1,167 MAX VALUE 299.44 0.84 0.10 1.22
MCB cycle size 6 10 7.28 8.00 466 MAX VALUE 126.14 1.24 0.17 0.91