Instance: rand-2-40-180-84-900-4_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:26
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: 29,700
Number of unique subscopes: 37
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 5 35 18.01 18.00 534,989 MAX VALUE 85,089.30 4.02 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 520.11 0.00 -17,129.50 0.02 0.21 2.48
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.86 0.00 0.00 4.15
Tuples 3,093 3,372 3,241.89 3,244.50 272,319 MAX VALUE 679.04 51.23 0.02 4.15
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 10 4.46 4.00 165 1.55e+22 51.10 2.16 0.49 1.94
Partitions per subscope 180 180 180.00 180.00 6,660 MAX VALUE 192.14 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 16 4.84 4.00 150 6.18e+16 38.66 4.06 0.84 2.15
Cluster variables 2 10 5.10 4.00 158 1.83e+20 46.66 2.58 0.51 1.98
Separator constraints 0 13 2.13 1.00 66 0 None 3.35 1.57 1.67
Separator variables 0 9 3.81 3.00 118 0 None 2.52 0.66 2.06
Dual tree decomposition
Number of clusters: 37
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 2 61 22.22 17.00 822 MAX VALUE 101.34 17.07 0.77 3.22
Cluster variables 3 30 10.86 9.00 402 3.71e+35 81.90 6.63 0.61 2.66
Separator constraints 0 37 12.16 10.00 450 0 None 10.42 0.86 2.85
Separator variables 0 22 8.59 8.00 318 0 None 5.24 0.61 2.55
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 0.06 None None None None None 2.17
Degree 1 10 4.20 4.00 168 1.55e+22 51.10 2.27 0.54 2.06
Eccentricity 4 6 4.47 4.00 179 7.73e+25 59.61 0.59 0.13 0.84
Triangulated primal graph
Density: 20.90%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.72 None None None None None 3.06
Degree 1 21 8.15 5.00 326 7.34e+29 68.77 6.36 0.78 2.52
Eccentricity 2 4 3.52 4.00 141 4.54e+21 49.87 0.55 0.16 0.78
Dual graph
Density: 10.67%
MCB compute time (ms): 24
MCB cycles: 381
Triangles: 602
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 0.52 0.49 43.72 0.00 None 0.15 0.30 3.47
Degree 2 18 8.86 8.00 744 MAX VALUE 176.08 3.35 0.38 2.54
Eccentricity 3 5 4.10 4.00 344 MAX VALUE 118.11 0.37 0.09 0.47
MCB cycle size 3 6 3.50 3.00 1,332 MAX VALUE 468.65 0.78 0.22 0.90
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 9
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 0.18
Degree 1 5 3.05 3.00 256 MAX VALUE 90.96 0.72 0.24 1.09
Eccentricity 6 8 6.90 7.00 580 MAX VALUE 161.96 0.63 0.09 0.94
MCB cycle size 4 11 6.91 7.00 311 2.32e+37 86.04 1.38 0.20 1.62
Triangulated dual graph
Density: 30.95%
Triangles: 8,849
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 0.79 0.77 66.73 0.00 -20.28 0.12 0.15 3.93
Degree 2 51 25.69 26.00 2,158 MAX VALUE 247.20 16.12 0.63 3.42
Eccentricity 2 4 2.96 3.00 249 MAX VALUE 89.89 0.52 0.18 0.77
Triangulated minimal dual graph
Density: 12.02%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.66 None None None None None 3.02
Degree 1 32 9.98 5.00 838 MAX VALUE 158.09 9.14 0.92 2.76
Eccentricity 3 6 4.40 4.00 370 MAX VALUE 123.66 0.64 0.14 0.97
Incidence graph
Density: 2.20%
MCB compute time (ms): 14
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 0.88
Degree 1 10 2.71 2.00 336 MAX VALUE 109.32 1.65 0.61 1.07
Eccentricity 7 12 9.02 9.00 1,119 MAX VALUE 272.13 0.95 0.10 1.29
MCB cycle size 6 10 7.87 8.00 354 MAX VALUE 92.13 1.36 0.17 1.01