Instance: rand-2-40-180-84-900-81_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:22
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 36 18.01 18.00 534,882 MAX VALUE 85,071.30 4.05 0.22 2.81
Relational linkage 0.03 0.14 0.08 0.08 515.36 0.00 -17,187.30 0.02 0.20 2.45
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.11
Tuples 3,146 3,394 3,241.36 3,242.00 272,274 MAX VALUE 679.03 45.58 0.01 4.11
Domain size 180 180 180.00 180.00 7,200 MAX VALUE 207.72 0.00 0.00 0.00
Constraints per subscope 2 9 4.46 5.00 165 4.25e+22 52.10 1.73 0.39 1.76
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: 14
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 10 4.65 4.00 144 1.03e+18 41.47 2.63 0.57 2.10
Cluster variables 2 10 5.39 5.00 167 9.37e+20 48.29 2.68 0.50 1.91
Separator constraints 0 8 1.94 1.00 60 0 None 2.46 1.27 1.70
Separator variables 0 9 4.10 4.00 127 0 None 2.66 0.65 1.99
Dual tree decomposition
Number of clusters: 38
Number of leaves: 14
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 4 51 18.97 16.50 721 MAX VALUE 105.71 10.68 0.56 3.04
Cluster variables 4 25 10.37 8.00 394 4.39e+36 84.37 5.29 0.51 2.62
Separator constraints 0 29 10.00 10.00 380 0 None 6.47 0.65 2.69
Separator variables 0 18 8.16 7.00 310 0 None 4.07 0.50 2.53
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 0.11 None None None None None 2.36
Degree 1 9 4.20 4.00 168 4.25e+22 52.10 1.90 0.45 1.89
Eccentricity 4 5 4.33 4.00 173 2.20e+25 58.35 0.47 0.11 0.63
Triangulated primal graph
Density: 22.05%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 None 0.79 None None None None None 3.19
Degree 1 22 8.60 5.00 344 3.63e+30 70.37 6.75 0.79 2.61
Eccentricity 2 4 3.42 3.00 137 1.44e+21 48.72 0.54 0.16 0.79
Dual graph
Density: 9.78%
MCB compute time (ms): 46
MCB cycles: 264
Triangles: 448
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 0.53 0.49 44.33 0.00 -55.66 0.13 0.24 2.98
Degree 3 14 8.12 8.00 682 MAX VALUE 172.25 2.26 0.28 2.16
Eccentricity 4 5 4.07 4.00 342 MAX VALUE 117.79 0.26 0.06 0.26
MCB cycle size 3 6 3.20 3.00 844 MAX VALUE 303.92 0.54 0.17 0.50
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 14
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 0.90
Degree 1 4 3.05 3.00 256 MAX VALUE 90.86 0.71 0.23 1.04
Eccentricity 6 9 7.08 7.00 595 MAX VALUE 163.99 0.74 0.10 1.11
MCB cycle size 4 10 6.96 8.00 313 2.09e+37 85.94 1.62 0.23 1.71
Triangulated dual graph
Density: 27.37%
Triangles: 6,382
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.78 0.78 65.25 0.00 -22.52 0.14 0.18 3.77
Degree 3 47 22.71 20.50 1,908 MAX VALUE 240.63 14.08 0.62 3.44
Eccentricity 2 4 2.85 3.00 239 3.84e+37 86.54 0.48 0.17 0.68
Triangulated minimal dual graph
Density: 11.76%
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 3.10
Degree 1 29 9.76 5.00 820 MAX VALUE 153.82 9.15 0.94 2.69
Eccentricity 3 5 4.15 4.00 349 MAX VALUE 118.64 0.63 0.15 0.94
Incidence graph
Density: 2.20%
MCB compute time (ms): 24
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 9 2.71 2.00 336 MAX VALUE 110.33 1.49 0.55 1.02
Eccentricity 8 11 8.94 9.00 1,108 MAX VALUE 271.17 0.73 0.08 1.04
MCB cycle size 6 10 7.91 8.00 356 MAX VALUE 92.22 1.52 0.19 1.08