Instance: rand-2-40-80-103-800-90_ext
Number of variables: 40
Number of constraints: 103
Satisfiable: None
Timestamp: 2017-10-27 10:58:03
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: 16,400
Number of unique subscopes: 39
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 30 15.92 16.00 261,078 MAX VALUE 44,951.60 3.56 0.22 2.69
Relational linkage 0.04 0.25 0.15 0.15 464.62 0.00 -6,008.90 0.03 0.20 2.29
Tightness 0.79 0.81 0.80 0.80 82.51 0.00 -22.85 0.00 0.01 4.03
Tuples 1,187 1,369 1,273.46 1,273.00 131,166 MAX VALUE 736.37 30.87 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 10 5.26 5.00 205 8.26e+26 61.98 1.88 0.36 1.91
Partitions per subscope 80 80 80.00 80.00 3,120 MAX VALUE 170.90 0.00 0.00 0.00
Tree decomposition
Number of clusters: 27
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 15 5.67 5.00 153 8.71e+17 41.31 3.54 0.62 2.29
Cluster variables 2 14 6.52 6.00 176 3.72e+20 47.37 3.24 0.50 2.27
Separator constraints 0 10 1.85 0.00 50 0 None 2.68 1.45 1.53
Separator variables 0 12 5.04 4.00 136 0 None 3.05 0.61 2.27
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 3 83 31.26 26.50 1,188 MAX VALUE 121.64 20.08 0.64 3.33
Cluster variables 3 39 14.13 11.50 537 MAX VALUE 94.34 8.66 0.61 2.75
Separator constraints 0 45 17.97 17.00 683 0 None 12.02 0.67 3.05
Separator variables 0 30 11.42 9.50 434 0 None 6.75 0.59 2.62
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 0.33 None 0.07 None None None None None 2.11
Degree 1 10 5.15 5.00 206 8.26e+26 61.98 1.97 0.38 1.98
Eccentricity 3 5 4.00 4.00 160 7.21e+23 54.94 0.63 0.16 0.95
Triangulated primal graph
Density: 29.10%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.78 None None None None None 2.89
Degree 1 26 11.35 8.00 454 3.25e+36 84.07 7.98 0.70 2.71
Eccentricity 3 5 3.80 4.00 152 9.35e+22 52.89 0.60 0.16 0.90
Dual graph
Density: 9.61%
MCB compute time (ms): 144
MCB cycles: 452
Triangles: 798
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 0.50 0.48 51.43 0.00 -72.55 0.08 0.15 3.22
Degree 2 16 9.81 10.00 1,010 MAX VALUE 230.54 2.70 0.28 2.36
Eccentricity 3 5 3.92 4.00 404 MAX VALUE 140.29 0.36 0.09 0.47
MCB cycle size 3 6 3.31 3.00 1,494 MAX VALUE 533.35 0.64 0.20 0.67
Minimal dual graph
Density: 3.16%
MCB compute time (ms): 39
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 5 3.22 3.00 332 MAX VALUE 118.77 0.59 0.18 0.89
Eccentricity 6 8 6.95 7.00 716 MAX VALUE 199.33 0.60 0.09 0.90
MCB cycle size 4 10 6.98 7.00 447 MAX VALUE 123.19 1.29 0.19 1.65
Triangulated dual graph
Density: 34.76%
Triangles: 20,653
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.61 1.00 0.81 0.78 82.97 0.00 -23.24 0.11 0.14 3.93
Degree 2 68 35.46 39.00 3,652 MAX VALUE 339.49 21.05 0.59 3.63
Eccentricity 2 4 3.21 3.00 331 MAX VALUE 119.25 0.45 0.14 0.63
Triangulated minimal dual graph
Density: 12.30%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.48 1.00 0.77 0.80 79.60 0.00 -29.89 0.19 0.25 2.82
Degree 2 38 12.54 5.00 1,292 MAX VALUE 208.44 12.31 0.98 2.74
Eccentricity 3 5 3.69 4.00 380 MAX VALUE 133.45 0.50 0.14 0.72
Incidence graph
Density: 2.03%
MCB compute time (ms): 54
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 0.22
Degree 1 10 2.88 2.00 412 MAX VALUE 133.37 1.76 0.61 1.08
Eccentricity 6 11 8.39 8.00 1,200 MAX VALUE 303.42 0.88 0.10 1.27
MCB cycle size 6 10 7.66 8.00 490 MAX VALUE 129.40 1.25 0.16 0.94