Instance: rand-2-40-180-84-900-67_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:20
Stampede: v1.0.0-797-g05e223c
Boost: 1.64.0
Benchmark comments

Instance comments



Component #1 Number of variables: 40
Number of constraints: 84
General features
Number of coarse blocks: 29,520
Number of unique subscopes: 36
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Arity 2 2 2.00 2.00 168 1.93e+25 58.22 0.00 0.00 0.00
Coarse blocks size 4 37 18.00 18.00 531,250 MAX VALUE 84,546.90 4.01 0.22 2.80
Relational linkage 0.02 0.13 0.08 0.08 499.65 0.00 -16,740.20 0.02 0.20 2.43
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.09
Tuples 3,100 3,387 3,239.44 3,235.00 272,113 MAX VALUE 678.97 55.23 0.02 4.09
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 8 4.56 4.50 164 3.14e+22 51.80 1.77 0.39 1.77
Partitions per subscope 180 180 180.00 180.00 6,480 MAX VALUE 186.95 0.00 0.00 0.00
Tree decomposition
Number of clusters: 31
Number of leaves: 12
Tree depth: 7
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 13 4.68 4.00 145 8.61e+16 38.99 3.51 0.75 2.25
Cluster variables 2 10 5.16 4.00 160 2.53e+20 46.98 2.63 0.51 1.93
Separator constraints 0 10 1.97 1.00 61 0 None 3.01 1.53 1.53
Separator variables 0 9 3.87 3.00 120 0 None 2.57 0.67 2.01
Dual tree decomposition
Number of clusters: 38
Number of leaves: 12
Tree depth: 8
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 2 56 19.66 13.00 747 MAX VALUE 99.98 15.36 0.78 3.02
Cluster variables 3 28 10.24 8.00 389 3.38e+35 81.81 6.25 0.61 2.73
Separator constraints 0 38 10.50 7.00 399 0 None 9.63 0.92 2.71
Separator variables 0 20 8.03 6.00 305 0 None 4.95 0.62 2.58
Primal graph
Density: 10.77%
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 0.14 None None None None None 2.53
Degree 1 8 4.20 4.00 168 3.14e+22 51.80 1.99 0.47 1.92
Eccentricity 3 6 4.78 5.00 191 9.33e+26 62.10 0.69 0.14 1.04
Triangulated primal graph
Density: 21.15%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.61 None None None None None 3.25
Degree 1 21 8.25 5.50 330 1.90e+30 69.72 6.31 0.76 2.70
Eccentricity 3 6 4.50 5.00 180 7.96e+25 59.64 0.71 0.16 1.06
Dual graph
Density: 9.98%
MCB compute time (ms): 46
MCB cycles: 274
Triangles: 481
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 0.52 0.49 43.56 0.00 -57.29 0.13 0.25 3.20
Degree 2 14 8.29 8.00 696 MAX VALUE 171.69 2.80 0.34 2.39
Eccentricity 3 6 4.42 4.00 371 MAX VALUE 124.11 0.56 0.13 0.82
MCB cycle size 3 6 3.20 3.00 877 MAX VALUE 315.66 0.55 0.17 0.52
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 15
MCB cycles: 45
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 0.73
Degree 1 4 3.05 3.00 256 MAX VALUE 91.62 0.62 0.20 0.92
Eccentricity 6 8 7.12 7.00 598 MAX VALUE 164.50 0.66 0.09 0.99
MCB cycle size 4 10 6.98 7.00 314 3.82e+37 86.54 1.36 0.19 1.70
Triangulated dual graph
Density: 28.71%
Triangles: 7,576
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.78 0.76 65.65 0.00 -21.80 0.13 0.16 3.89
Degree 2 48 23.83 22.50 2,002 MAX VALUE 240.68 15.33 0.64 3.50
Eccentricity 3 5 3.83 4.00 322 MAX VALUE 111.65 0.65 0.17 0.97
Triangulated minimal dual graph
Density: 12.31%
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 3.00
Degree 1 30 10.21 5.00 858 MAX VALUE 157.60 9.49 0.93 2.57
Eccentricity 3 5 3.85 4.00 323 MAX VALUE 112.13 0.59 0.15 0.88
Incidence graph
Density: 2.20%
MCB compute time (ms): 23
MCB cycles: 45
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 0.62
Degree 1 8 2.71 2.00 336 MAX VALUE 110.02 1.53 0.56 1.14
Eccentricity 7 13 9.69 9.00 1,202 MAX VALUE 280.70 1.21 0.13 1.56
MCB cycle size 6 12 7.73 8.00 348 MAX VALUE 91.12 1.61 0.21 1.13