Instance: rand-2-40-180-84-900-46_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:17
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 4 36 17.98 18.00 533,963 MAX VALUE 85,034.20 4.01 0.22 2.80
Relational linkage 0.02 0.14 0.08 0.08 516.62 0.00 -17,170.70 0.02 0.20 2.46
Tightness 0.90 0.90 0.90 0.90 75.61 0.00 -8.84 0.00 0.00 4.24
Tuples 3,114 3,374 3,235.45 3,234.00 271,778 MAX VALUE 678.87 57.63 0.02 4.24
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 3.07e+22 51.78 1.93 0.43 1.88
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: 30
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 1 13 4.03 3.50 121 1.30e+15 34.80 2.77 0.69 2.11
Cluster variables 2 11 4.87 4.00 146 1.03e+19 43.78 2.46 0.51 2.07
Separator constraints 0 8 1.23 0.50 37 0 None 1.86 1.51 1.31
Separator variables 0 9 3.53 3.00 106 0 None 2.28 0.64 2.07
Dual tree decomposition
Number of clusters: 38
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 1 61 20.34 17.50 773 MAX VALUE 102.15 14.26 0.70 3.17
Cluster variables 2 27 10.18 9.50 387 2.74e+35 81.60 5.99 0.59 2.56
Separator constraints 0 36 11.03 9.00 419 0 None 9.09 0.82 2.77
Separator variables 0 20 7.97 7.50 303 0 None 4.72 0.59 2.57
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 1.00 None 0.08 None None None None None 2.47
Degree 1 10 4.20 4.00 168 3.07e+22 51.78 2.06 0.49 2.01
Eccentricity 4 6 4.70 5.00 188 5.31e+26 61.54 0.64 0.14 0.94
Triangulated primal graph
Density: 20.64%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.67 None None None None None 3.13
Degree 1 19 8.05 5.00 322 5.75e+29 68.52 6.18 0.77 2.59
Eccentricity 3 6 4.25 4.00 170 8.02e+24 57.34 0.70 0.16 1.03
Dual graph
Density: 10.15%
MCB compute time (ms): 39
MCB cycles: 273
Triangles: 521
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 None 0.50 None None None None None 3.24
Degree 1 17 8.43 8.00 708 MAX VALUE 171.12 3.20 0.38 2.46
Eccentricity 3 5 4.24 4.00 356 MAX VALUE 120.78 0.48 0.11 0.68
MCB cycle size 3 6 3.16 3.00 863 MAX VALUE 311.66 0.50 0.16 0.45
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 11
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 1.17
Degree 1 4 3.05 3.00 256 MAX VALUE 90.74 0.72 0.24 1.07
Eccentricity 6 9 7.30 7.00 613 MAX VALUE 166.50 0.75 0.10 1.13
MCB cycle size 4 9 6.82 7.00 307 1.20e+37 85.38 1.37 0.20 1.65
Triangulated dual graph
Density: 28.06%
Triangles: 7,100
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.59 1.00 None 0.77 None None None None None 3.92
Degree 1 46 23.29 21.00 1,956 MAX VALUE 237.91 15.03 0.65 3.30
Eccentricity 3 5 3.55 4.00 298 MAX VALUE 105.39 0.54 0.15 0.79
Triangulated minimal dual graph
Density: 12.11%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.00 1.00 None 0.67 None None None None None 3.26
Degree 1 29 10.05 5.00 844 MAX VALUE 155.52 9.42 0.94 2.67
Eccentricity 4 7 4.92 5.00 413 MAX VALUE 132.92 0.71 0.14 1.05
Incidence graph
Density: 2.20%
MCB compute time (ms): 19
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 0.76
Degree 1 10 2.71 2.00 336 MAX VALUE 110.00 1.56 0.58 1.08
Eccentricity 7 12 9.42 9.00 1,168 MAX VALUE 277.31 1.07 0.11 1.41
MCB cycle size 6 10 7.69 8.00 346 MAX VALUE 90.98 1.46 0.19 1.05