Instance: rand-2-40-16-250-350-85_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:53
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 10.40 10.00 83,180 MAX VALUE 18,587.10 1.90 0.18 2.06
Relational linkage 0.19 0.62 0.45 0.44 286.62 0.00 -523.40 0.07 0.16 1.57
Tightness 0.28 0.43 0.35 0.35 87.54 0.00 -263.19 0.03 0.08 3.35
Tuples 146 184 166.36 166.00 41,590 MAX VALUE 1,278.30 7.33 0.04 3.35
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 20 12.50 12.50 500 MAX VALUE 99.81 3.01 0.24 2.35
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: 7
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 13 104 50.06 43.00 851 2.49e+27 63.08 30.03 0.60 2.75
Cluster variables 8 24 15.35 15.00 261 4.46e+19 45.25 5.58 0.36 2.43
Separator constraints 0 91 35.35 31.00 601 0 None 27.86 0.79 2.75
Separator variables 0 23 13.00 13.00 221 0 None 6.09 0.47 2.51
Dual tree decomposition
Number of clusters: 38
Number of leaves: 16
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 59 864 267.84 210.50 10,178 MAX VALUE 203.76 192.37 0.72 3.64
Cluster variables 15 127 42.61 31.50 1,619 MAX VALUE 135.80 28.44 0.67 3.40
Separator constraints 0 481 187.42 171.00 7,122 0 None 114.04 0.61 3.64
Separator variables 0 98 36.03 28.50 1,369 0 None 21.61 0.60 3.35
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 0.23 0.48 0.32 0.31 12.94 0.00 -45.73 0.06 0.18 3.37
Degree 7 20 12.50 12.50 500 MAX VALUE 99.81 3.01 0.24 2.35
Eccentricity 2 3 2.23 2.00 89 4.23e+13 31.38 0.42 0.19 0.53
Triangulated primal graph
Density: 63.72%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.69 1.00 0.86 0.85 34.42 0.00 -6.23 0.09 0.11 3.35
Degree 7 36 24.85 29.00 994 MAX VALUE 124.43 9.20 0.37 2.82
Eccentricity 2 3 2.10 2.00 84 5.57e+12 29.35 0.30 0.14 0.33
Dual graph
Density: 9.82%
MCB compute time (ms): 2,402
MCB cycles: 3,928
Triangles: 12,491
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 0.64 0.51 0.50 127.41 0.00 -168.76 0.02 0.05 4.64
Degree 14 35 24.45 25.00 6,112 MAX VALUE 795.76 3.95 0.16 2.77
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 5 3.20 3.00 12,560 MAX VALUE 4,538.53 0.40 0.12 0.50
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 302
MCB cycles: 211
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 0.17 0.00 0.00 0.37 0.00 None 0.01 9.37 0.07
Degree 2 6 3.68 3.50 920 MAX VALUE 319.72 0.83 0.22 1.15
Eccentricity 6 8 7.20 7.00 1,799 MAX VALUE 492.53 0.59 0.08 0.88
MCB cycle size 3 11 6.82 7.00 1,439 MAX VALUE 401.84 1.14 0.17 1.49
Triangulated dual graph
Density: 52.04%
Triangles: 660,922
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.72 1.00 0.84 0.82 211.20 0.00 -43.24 0.08 0.09 4.99
Degree 14 193 129.58 157.00 32,394 MAX VALUE 1,174.27 57.33 0.44 4.01
Eccentricity 2 3 2.18 2.00 544 MAX VALUE 191.13 0.38 0.18 0.47
Triangulated minimal dual graph
Density: 11.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.81 0.78 203.47 0.00 -55.31 0.14 0.18 3.47
Degree 2 90 27.78 8.00 6,944 MAX VALUE 624.20 32.29 1.16 3.20
Eccentricity 3 5 3.66 4.00 916 MAX VALUE 322.21 0.50 0.14 0.71
Incidence graph
Density: 1.19%
MCB compute time (ms): 237
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 20 3.45 2.00 1,000 MAX VALUE 273.10 3.79 1.10 0.73
Eccentricity 5 6 5.89 6.00 1,709 MAX VALUE 513.96 0.31 0.05 0.34
MCB cycle size 6 8 6.04 6.00 1,274 MAX VALUE 379.21 0.27 0.05 0.09