Instance: rand-2-40-16-250-350-93_ext
Number of variables: 40
Number of constraints: 250
Satisfiable: None
Timestamp: 2017-10-27 10:56:52
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: 7,984
Number of unique subscopes: 39
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 500 MAX VALUE 173.29 0.00 0.00 0.00
Coarse blocks size 3 16 10.43 10.00 83,283 MAX VALUE 18,579.90 1.89 0.18 2.05
Relational linkage 0.19 0.62 0.45 0.44 281.25 0.00 -505.29 0.07 0.15 1.51
Tightness 0.27 0.44 0.35 0.35 87.02 0.00 -264.71 0.03 0.08 3.28
Tuples 144 188 166.90 167.00 41,724 MAX VALUE 1,279.09 7.44 0.04 3.28
Domain size 16 16 16.00 16.00 640 MAX VALUE 110.90 0.00 0.00 0.00
Constraints per subscope 7 19 12.79 13.00 499 MAX VALUE 98.44 2.78 0.22 2.24
Partitions per subscope 16 16 16.00 16.00 624 MAX VALUE 108.13 0.00 0.00 0.00
Tree decomposition
Number of clusters: 17
Number of leaves: 7
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 1 102 49.71 40.00 845 2.81e+26 60.90 29.95 0.60 2.83
Cluster variables 2 24 15.06 14.00 256 1.31e+19 44.02 6.07 0.40 2.43
Separator constraints 0 82 35.00 24.00 595 0 None 27.36 0.78 2.67
Separator variables 0 22 12.71 12.00 216 0 None 6.48 0.51 2.43
Dual tree decomposition
Number of clusters: 38
Number of leaves: 17
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 45 894 273.50 208.50 10,393 MAX VALUE 204.43 198.95 0.73 3.60
Cluster variables 13 132 42.76 32.00 1,625 MAX VALUE 135.75 28.66 0.67 3.20
Separator constraints 0 520 192.08 162.00 7,299 0 None 116.28 0.61 3.56
Separator variables 0 94 36.18 29.00 1,375 0 None 21.78 0.60 3.22
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 0.18 0.48 None 0.34 None None None None None 3.50
Degree 1 19 12.50 13.00 500 MAX VALUE 98.44 3.31 0.26 2.30
Eccentricity 2 3 2.70 3.00 108 9.37e+16 39.08 0.46 0.17 0.61
Triangulated primal graph
Density: 63.08%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.71 1.00 None 0.84 None None None None None 3.32
Degree 1 35 24.60 29.00 984 MAX VALUE 122.55 9.32 0.38 2.82
Eccentricity 2 3 2.50 2.50 100 3.66e+15 35.84 0.50 0.20 0.69
Dual graph
Density: 9.94%
MCB compute time (ms): 8,639
MCB cycles: 2,968
Triangles: 12,739
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 1.00 0.51 0.50 126.97 0.00 -169.85 0.04 0.07 4.45
Degree 12 35 24.75 25.00 6,188 MAX VALUE 798.84 3.95 0.16 2.74
Eccentricity 3 3 3.00 3.00 750 MAX VALUE 274.65 0.00 0.00 0.00
MCB cycle size 3 4 3.03 3.00 9,002 MAX VALUE 3,288.87 0.18 0.06 0.15
Minimal dual graph
Density: 1.48%
MCB compute time (ms): 343
MCB cycles: 211
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 0.03 9.43 0.07
Degree 2 6 3.68 4.00 920 MAX VALUE 319.85 0.81 0.22 1.16
Eccentricity 6 8 7.08 7.00 1,771 MAX VALUE 488.60 0.58 0.08 0.88
MCB cycle size 3 9 6.77 7.00 1,428 MAX VALUE 399.85 1.19 0.18 1.56
Triangulated dual graph
Density: 52.51%
Triangles: 670,968
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.71 1.00 0.85 0.83 211.27 0.00 -43.16 0.08 0.09 4.70
Degree 12 197 130.75 166.00 32,688 MAX VALUE 1,177.45 57.05 0.44 4.01
Eccentricity 2 3 2.28 2.00 570 MAX VALUE 201.67 0.45 0.20 0.59
Triangulated minimal dual graph
Density: 11.03%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 0.81 0.76 202.50 0.00 -56.85 0.15 0.18 3.52
Degree 2 86 27.46 8.00 6,864 MAX VALUE 623.39 31.74 1.16 3.27
Eccentricity 3 5 3.70 4.00 925 MAX VALUE 324.68 0.50 0.14 0.72
Incidence graph
Density: 1.19%
MCB compute time (ms): 224
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 None 0.00 None None None None None 0.31
Degree 1 19 3.45 2.00 1,000 MAX VALUE 271.72 3.82 1.11 0.72
Eccentricity 5 7 6.32 6.00 1,833 MAX VALUE 533.61 0.55 0.09 0.81
MCB cycle size 6 8 6.04 6.00 1,274 MAX VALUE 379.21 0.27 0.05 0.09