Instance: rand-2-40-180-84-900-27_ext
Number of variables: 40
Number of constraints: 84
Satisfiable: None
Timestamp: 2017-10-27 10:58:12
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 3 36 18.02 18.00 531,982 MAX VALUE 84,574.30 4.04 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 497.18 0.00 -16,772.70 0.02 0.20 2.42
Tightness 0.90 0.90 0.90 0.90 75.59 0.00 -8.86 0.00 0.00 4.21
Tuples 3,095 3,359 3,243.85 3,250.00 272,483 MAX VALUE 679.09 50.29 0.02 4.21
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 4.00 164 6.19e+22 52.48 1.52 0.33 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: 30
Number of leaves: 13
Tree depth: 4
Dot-file path: None
PDF-file path: None
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Cluster constraints 1 9 3.87 4.00 116 3.25e+15 35.72 2.03 0.52 2.02
Cluster variables 2 11 5.07 4.00 152 5.34e+19 45.42 2.38 0.47 2.06
Separator constraints 0 5 1.07 1.00 32 0 None 1.31 1.23 1.32
Separator variables 0 9 3.73 3.00 112 0 None 2.22 0.59 2.06
Dual tree decomposition
Number of clusters: 38
Number of leaves: 13
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 3 36 18.53 18.50 704 MAX VALUE 104.83 9.39 0.51 3.10
Cluster variables 3 26 10.37 9.00 394 3.08e+36 84.02 5.45 0.53 2.71
Separator constraints 0 22 9.76 10.00 371 0 None 5.78 0.59 2.80
Separator variables 0 18 8.16 7.50 310 0 None 4.23 0.52 2.59
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 0.67 None 0.10 None None None None None 2.36
Degree 1 8 4.20 4.00 168 6.19e+22 52.48 1.79 0.43 1.91
Eccentricity 4 6 4.42 4.00 177 4.95e+25 59.16 0.59 0.13 0.81
Triangulated primal graph
Density: 21.41%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.74 None None None None None 3.22
Degree 1 22 8.35 6.00 334 2.34e+30 69.93 6.58 0.79 2.71
Eccentricity 3 5 3.70 4.00 148 3.16e+22 51.81 0.60 0.16 0.89
Dual graph
Density: 9.55%
MCB compute time (ms): 44
MCB cycles: 263
Triangles: 413
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 0.47 43.45 0.00 -57.26 0.13 0.24 2.94
Degree 2 12 7.93 8.00 666 MAX VALUE 170.42 2.04 0.26 2.08
Eccentricity 4 5 4.07 4.00 342 MAX VALUE 117.79 0.26 0.06 0.26
MCB cycle size 3 6 3.27 3.00 859 MAX VALUE 307.47 0.63 0.19 0.62
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 0.85
Degree 1 4 3.05 3.00 256 MAX VALUE 90.97 0.69 0.23 1.02
Eccentricity 6 8 6.90 7.00 580 MAX VALUE 162.02 0.57 0.08 0.85
MCB cycle size 4 9 7.00 7.00 315 5.43e+37 86.89 1.14 0.16 1.41
Triangulated dual graph
Density: 27.51%
Triangles: 6,561
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.56 1.00 0.78 0.75 65.35 0.00 -22.34 0.14 0.17 3.82
Degree 2 46 22.83 20.00 1,918 MAX VALUE 239.90 14.39 0.63 3.38
Eccentricity 2 4 3.04 3.00 255 MAX VALUE 92.20 0.47 0.16 0.69
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 0.67 None None None None None 3.02
Degree 1 31 9.98 5.00 838 MAX VALUE 156.49 9.16 0.92 2.78
Eccentricity 3 5 3.93 4.00 330 MAX VALUE 113.88 0.61 0.16 0.92
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 1.09
Degree 1 8 2.71 2.00 336 MAX VALUE 110.70 1.45 0.53 1.17
Eccentricity 8 12 8.99 9.00 1,115 MAX VALUE 271.86 0.82 0.09 1.10
MCB cycle size 6 10 8.13 8.00 366 MAX VALUE 93.53 1.48 0.18 1.07