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TRS Standard pair #516963917
details
property
value
status
complete
benchmark
improved_usable.xml
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n142.star.cs.uiowa.edu
space
AProVE_04
run statistics
property
value
solver
NTI_22
configuration
default
runtime (wallclock)
0.338963031769 seconds
cpu usage
0.567345018
max memory
5.4616064E7
stage attributes
key
value
output-size
1811
starexec-result
MAYBE
output
/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- MAYBE ** BEGIN proof description ** ## Searching for a generalized rewrite rule (a rule whose right-hand side contains a variable that does not occur in the left-hand side)... No generalized rewrite rule found! ## Applying the DP framework... ## 2 initial DP problems to solve. ## First, we try to decompose these problems into smaller problems. ## Round 1 [2 DP problems]: ## DP problem: Dependency pairs = [f^#(a,h(_0)) -> f^#(g(_0),h(_0))] TRS = {f(a,h(_0)) -> f(g(_0),h(_0)), h(g(_0)) -> h(a), g(h(_0)) -> g(_0), h(h(_0)) -> _0} ## Trying with homeomorphic embeddings... Failed! ## Trying with polynomial interpretations... Failed! ## Trying with lexicographic path orders... Failed! ## Trying with Knuth-Bendix orders... Failed! Don't know whether this DP problem is finite. ## DP problem: Dependency pairs = [g^#(h(_0)) -> g^#(_0)] TRS = {f(a,h(_0)) -> f(g(_0),h(_0)), h(g(_0)) -> h(a), g(h(_0)) -> g(_0), h(h(_0)) -> _0} ## Trying with homeomorphic embeddings... Success! This DP problem is finite. ## A DP problem could not be proved finite. ## Now, we try to prove that this problem is infinite. ## Could not solve the following DP problems: 1: Dependency pairs = [f^#(a,h(_0)) -> f^#(g(_0),h(_0))] TRS = {f(a,h(_0)) -> f(g(_0),h(_0)), h(g(_0)) -> h(a), g(h(_0)) -> g(_0), h(h(_0)) -> _0} Hence, could not prove (non)termination of the TRS under analysis. Proof run on Linux version 3.10.0-1160.25.1.el7.x86_64 for amd64 using Java version 1.8.0_292 ** END proof description ** Total number of generated unfolded rules = 218
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