Instance: rand-2-40-180-84-900-31_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: 30,060
Number of unique subscopes: 39
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 37 17.97 18.00 540,081 MAX VALUE 86,035.20 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 544.59 0.00 -18,090.10 0.02 0.20 2.43
Tightness 0.90 0.90 0.90 0.90 75.62 0.00 -8.83 0.00 0.00 4.10
Tuples 3,129 3,367 3,234.01 3,229.00 271,657 MAX VALUE 678.84 46.84 0.01 4.10
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 4.28 4.00 167 3.10e+23 54.09 1.65 0.38 1.72
Partitions per subscope 180 180 180.00 180.00 7,020 MAX VALUE 202.53 0.00 0.00 0.00
Tree decomposition
Number of clusters: 31
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 1 7 3.61 4.00 112 1.22e+16 37.04 1.34 0.37 1.58
Cluster variables 2 10 5.32 5.00 165 3.57e+21 49.63 2.05 0.39 1.85
Separator constraints 0 3 0.90 1.00 28 0 None 0.96 1.07 1.22
Separator variables 0 9 4.03 3.00 125 0 None 2.01 0.50 1.90
Dual tree decomposition
Number of clusters: 38
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 2 48 18.05 16.50 686 MAX VALUE 101.79 11.40 0.63 2.88
Cluster variables 3 26 10.45 8.50 397 4.68e+36 84.44 5.60 0.54 2.55
Separator constraints 0 36 9.45 7.50 359 0 None 7.61 0.81 2.70
Separator variables 0 20 8.24 7.00 313 0 None 4.39 0.53 2.48
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 0.10 None None None None None 1.93
Degree 1 10 4.20 4.00 168 3.10e+23 54.09 1.71 0.41 1.80
Eccentricity 3 6 4.30 4.00 172 1.42e+25 57.92 0.64 0.15 0.93
Triangulated primal graph
Density: 21.79%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.34 1.00 None 0.77 None None None None None 2.61
Degree 1 25 8.50 7.00 340 7.48e+31 73.39 6.49 0.76 2.35
Eccentricity 2 4 2.90 3.00 116 1.50e+18 41.85 0.54 0.19 0.80
Dual graph
Density: 9.38%
MCB compute time (ms): 39
MCB cycles: 266
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 0.49 41.66 0.00 None 0.11 0.22 2.90
Degree 2 14 7.79 8.00 654 MAX VALUE 167.97 2.43 0.31 2.25
Eccentricity 4 6 4.43 4.00 372 MAX VALUE 124.40 0.54 0.12 0.77
MCB cycle size 3 7 3.34 3.00 889 MAX VALUE 315.91 0.73 0.22 0.65
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 0.33 None 0.00 None None None None None 0.26
Degree 1 4 3.05 3.00 256 MAX VALUE 91.73 0.60 0.20 0.89
Eccentricity 6 8 7.00 7.00 588 MAX VALUE 163.13 0.62 0.09 0.93
MCB cycle size 3 10 6.96 7.00 313 2.34e+37 86.05 1.50 0.22 1.75
Triangulated dual graph
Density: 27.88%
Triangles: 6,934
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.78 0.76 65.80 0.00 -21.70 0.13 0.17 3.86
Degree 2 48 23.14 19.00 1,944 MAX VALUE 240.44 14.93 0.65 3.38
Eccentricity 2 4 2.99 3.00 251 MAX VALUE 90.82 0.48 0.16 0.69
Triangulated minimal dual graph
Density: 11.96%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.33 1.00 None 0.68 None None None None None 3.15
Degree 1 32 9.93 5.00 834 MAX VALUE 157.20 9.15 0.92 2.74
Eccentricity 3 6 4.36 4.00 366 MAX VALUE 122.63 0.67 0.15 1.01
Incidence graph
Density: 2.20%
MCB compute time (ms): 25
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 0.33
Degree 1 10 2.71 2.00 336 MAX VALUE 112.31 1.41 0.52 1.10
Eccentricity 7 12 9.22 9.00 1,143 MAX VALUE 274.57 1.09 0.12 1.46
MCB cycle size 6 14 8.44 8.00 380 MAX VALUE 94.86 1.88 0.22 1.15