Instance: rand-2-40-180-84-900-63_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:25
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: 29,880
Number of unique subscopes: 38
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 3 39 18.01 18.00 538,267 MAX VALUE 85,620.80 3.98 0.22 2.80
Relational linkage 0.02 0.14 0.08 0.08 534.69 0.00 -17,581.10 0.02 0.20 2.46
Tightness 0.90 0.90 0.90 0.90 75.59 0.00 -8.86 0.00 0.00 4.09
Tuples 3,139 3,356 3,242.83 3,242.00 272,398 MAX VALUE 679.07 45.96 0.01 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 7 4.37 4.00 166 7.65e+22 52.69 1.74 0.40 1.77
Partitions per subscope 180 180 180.00 180.00 6,840 MAX VALUE 197.33 0.00 0.00 0.00
Tree decomposition
Number of clusters: 30
Number of leaves: 12
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 1 11 4.33 3.00 130 2.53e+16 37.77 2.74 0.63 2.09
Cluster variables 2 11 5.13 4.00 154 9.66e+19 46.02 2.36 0.46 1.98
Separator constraints 0 9 1.53 1.00 46 0 None 2.06 1.34 1.57
Separator variables 0 9 3.80 3.00 114 0 None 2.21 0.58 1.98
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 43 18.68 16.50 710 MAX VALUE 101.76 11.68 0.63 3.12
Cluster variables 3 25 10.32 8.50 392 1.17e+36 83.05 5.75 0.56 2.61
Separator constraints 0 26 9.82 10.00 373 0 None 7.19 0.73 2.80
Separator variables 0 19 8.11 7.00 308 0 None 4.48 0.55 2.74
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 0.00 None None None None None 1.85
Degree 1 7 4.20 4.00 168 7.65e+22 52.69 1.85 0.44 1.88
Eccentricity 4 5 4.25 4.00 170 1.13e+25 57.68 0.43 0.10 0.56
Triangulated primal graph
Density: 21.67%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 None 0.67 None None None None None 2.92
Degree 1 20 8.45 7.00 338 1.50e+31 71.79 6.23 0.74 2.59
Eccentricity 3 5 3.58 4.00 143 7.99e+21 50.43 0.59 0.16 0.86
Dual graph
Density: 9.67%
MCB compute time (ms): 35
MCB cycles: 288
Triangles: 430
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 0.50 0.47 41.73 0.00 None 0.12 0.25 2.94
Degree 2 12 8.02 8.50 674 MAX VALUE 169.91 2.47 0.31 2.19
Eccentricity 4 5 4.07 4.00 342 MAX VALUE 117.79 0.26 0.06 0.26
MCB cycle size 3 6 3.38 3.00 974 MAX VALUE 345.07 0.75 0.22 0.75
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 13
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 0.47
Degree 1 4 3.05 3.00 256 MAX VALUE 90.91 0.72 0.24 1.07
Eccentricity 5 8 6.77 7.00 569 MAX VALUE 160.31 0.64 0.09 0.97
MCB cycle size 4 9 7.00 7.00 315 4.85e+37 86.77 1.23 0.18 1.51
Triangulated dual graph
Density: 28.06%
Triangles: 6,871
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.54 1.00 0.78 0.79 65.60 0.00 -21.98 0.13 0.17 3.86
Degree 2 49 23.29 21.50 1,956 MAX VALUE 240.47 14.65 0.63 3.35
Eccentricity 2 3 2.70 3.00 227 4.74e+35 82.15 0.46 0.17 0.61
Triangulated minimal dual graph
Density: 11.90%
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 9.88 5.00 830 MAX VALUE 154.68 9.23 0.93 2.69
Eccentricity 3 5 4.24 4.00 356 MAX VALUE 120.39 0.61 0.14 0.91
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 0.70
Degree 1 7 2.71 2.00 336 MAX VALUE 110.92 1.47 0.54 1.04
Eccentricity 8 11 8.76 9.00 1,086 MAX VALUE 268.63 0.76 0.09 1.06
MCB cycle size 6 12 8.22 8.00 370 MAX VALUE 94.00 1.53 0.19 1.13