Instance: rand-2-40-180-84-900-16_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 37 18.01 18.00 534,760 MAX VALUE 85,065.70 4.04 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 514.01 0.00 -17,199.70 0.02 0.20 2.43
Tightness 0.90 0.90 0.90 0.90 75.60 0.00 -8.85 0.00 0.00 4.19
Tuples 3,146 3,371 3,240.98 3,230.00 272,242 MAX VALUE 679.01 51.64 0.02 4.19
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 4.00 165 9.83e+22 52.94 1.60 0.36 1.81
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: 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 8 4.07 4.00 122 2.26e+16 37.66 2.00 0.49 1.93
Cluster variables 2 10 5.37 5.00 161 3.69e+20 47.36 2.39 0.44 2.01
Separator constraints 0 5 1.27 1.00 38 0 None 1.55 1.22 1.42
Separator variables 0 9 4.03 4.00 121 0 None 2.29 0.57 2.05
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 41 18.45 16.00 701 MAX VALUE 104.09 10.11 0.55 3.00
Cluster variables 4 25 10.61 9.00 403 9.22e+36 85.11 5.44 0.51 2.61
Separator constraints 0 28 9.68 10.00 368 0 None 6.47 0.67 2.70
Separator variables 0 18 8.39 7.50 319 0 None 4.21 0.50 2.68
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 0.00 None None None None None 1.83
Degree 1 9 4.20 4.00 168 9.83e+22 52.94 1.79 0.43 1.94
Eccentricity 3 5 4.30 4.00 172 1.65e+25 58.06 0.51 0.12 0.74
Triangulated primal graph
Density: 22.44%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.37 1.00 None 0.71 None None None None None 3.11
Degree 1 24 8.75 6.50 350 5.34e+31 73.06 6.40 0.73 2.60
Eccentricity 3 5 3.85 4.00 154 1.56e+23 53.40 0.61 0.16 0.92
Dual graph
Density: 9.55%
MCB compute time (ms): 58
MCB cycles: 252
Triangles: 427
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 0.51 0.47 42.86 0.00 -58.46 0.12 0.24 3.04
Degree 3 13 7.93 8.00 666 MAX VALUE 170.26 2.22 0.28 2.13
Eccentricity 3 5 4.21 4.00 354 MAX VALUE 120.40 0.44 0.10 0.60
MCB cycle size 3 6 3.22 3.00 811 MAX VALUE 291.54 0.56 0.17 0.54
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 0.00 0.00 0.00 0.00 None 0.00 None 0.00
Degree 2 4 3.05 3.00 256 MAX VALUE 92.02 0.58 0.19 0.86
Eccentricity 6 8 6.90 7.00 580 MAX VALUE 162.00 0.59 0.09 0.89
MCB cycle size 4 9 7.16 7.00 322 1.38e+38 87.82 1.25 0.17 1.58
Triangulated dual graph
Density: 28.17%
Triangles: 6,779
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.50 1.00 0.78 0.75 65.54 0.00 -22.19 0.14 0.18 3.81
Degree 3 52 23.38 23.00 1,964 MAX VALUE 243.20 14.32 0.61 3.42
Eccentricity 2 4 2.88 3.00 242 1.15e+38 87.64 0.47 0.16 0.68
Triangulated minimal dual graph
Density: 11.90%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.40 1.00 0.74 0.67 62.22 0.00 -28.58 0.21 0.28 2.69
Degree 2 33 9.88 5.50 830 MAX VALUE 158.44 8.94 0.90 2.86
Eccentricity 3 5 3.74 4.00 314 MAX VALUE 109.86 0.54 0.14 0.79
Incidence graph
Density: 2.20%
MCB compute time (ms): 21
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 0.84
Degree 1 9 2.71 2.00 336 MAX VALUE 111.17 1.45 0.53 1.15
Eccentricity 7 11 9.10 9.00 1,129 MAX VALUE 273.29 0.91 0.10 1.26
MCB cycle size 6 12 8.31 8.00 374 MAX VALUE 94.52 1.52 0.18 1.13