Instance: rand-2-40-180-84-900-23_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: 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 3 38 18.05 18.00 542,435 MAX VALUE 86,174.30 4.03 0.22 2.81
Relational linkage 0.02 0.14 0.08 0.08 547.17 0.00 -18,059.50 0.02 0.20 2.44
Tightness 0.90 0.90 0.90 0.90 75.58 0.00 -8.87 0.00 0.00 4.15
Tuples 3,133 3,361 3,248.35 3,245.00 272,861 MAX VALUE 679.20 53.61 0.02 4.15
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 4.28 4.00 167 2.66e+23 53.94 1.57 0.37 1.77
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: 16
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 1 9 4.16 4.00 129 7.08e+16 38.80 2.29 0.55 2.06
Cluster variables 2 10 5.71 5.00 177 1.33e+22 50.94 2.53 0.44 1.99
Separator constraints 0 8 1.45 1.00 45 0 None 2.06 1.42 1.39
Separator variables 0 9 4.42 4.00 137 0 None 2.54 0.57 2.08
Dual tree decomposition
Number of clusters: 38
Number of leaves: 15
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 4 58 17.79 14.50 676 MAX VALUE 99.55 13.07 0.73 2.97
Cluster variables 4 27 10.45 8.50 397 3.85e+36 84.24 5.76 0.55 2.57
Separator constraints 0 44 9.32 7.50 354 0 None 8.41 0.90 2.81
Separator variables 0 21 8.24 7.00 313 0 None 4.51 0.55 2.51
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 0.33 None 0.06 None None None None None 1.72
Degree 1 8 4.20 4.00 168 2.66e+23 53.94 1.63 0.39 1.84
Eccentricity 3 5 4.30 4.00 172 1.65e+25 58.06 0.51 0.12 0.74
Triangulated primal graph
Density: 23.33%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.47 1.00 None 0.74 None None None None None 2.86
Degree 1 21 9.10 6.50 364 5.48e+32 75.38 6.50 0.71 2.74
Eccentricity 2 4 3.38 3.00 135 8.09e+20 48.14 0.53 0.16 0.78
Dual graph
Density: 9.24%
MCB compute time (ms): 35
MCB cycles: 253
Triangles: 386
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 0.48 0.47 40.40 0.00 -62.64 0.09 0.18 2.93
Degree 3 14 7.67 7.00 644 MAX VALUE 166.54 2.43 0.32 2.24
Eccentricity 4 5 4.31 4.00 362 MAX VALUE 122.25 0.46 0.11 0.62
MCB cycle size 3 6 3.30 3.00 836 MAX VALUE 298.24 0.67 0.20 0.67
Minimal dual graph
Density: 3.67%
MCB compute time (ms): 12
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 6.83 7.00 574 MAX VALUE 161.22 0.48 0.07 0.70
MCB cycle size 4 10 7.18 7.00 323 1.29e+38 87.76 1.39 0.19 1.70
Triangulated dual graph
Density: 28.31%
Triangles: 7,174
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.55 1.00 0.79 0.76 65.96 0.00 -21.56 0.14 0.17 3.76
Degree 3 49 23.50 21.00 1,974 MAX VALUE 242.21 14.85 0.63 3.43
Eccentricity 2 4 2.95 3.00 248 MAX VALUE 89.72 0.49 0.16 0.71
Triangulated minimal dual graph
Density: 12.77%
Feature min max mean median sum prod ln(prod) std_dev COV ENT
Clustering coefficient 0.45 1.00 0.75 0.67 63.20 0.00 -26.81 0.20 0.26 2.73
Degree 2 31 10.60 5.00 890 MAX VALUE 161.27 9.77 0.92 2.70
Eccentricity 3 5 3.77 4.00 317 MAX VALUE 110.66 0.54 0.14 0.80
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 0.38
Degree 1 8 2.71 2.00 336 MAX VALUE 112.16 1.38 0.51 1.04
Eccentricity 7 11 9.13 9.00 1,132 MAX VALUE 273.68 0.85 0.09 1.25
MCB cycle size 6 12 8.27 8.00 372 MAX VALUE 94.21 1.61 0.19 1.16