details

property	value
status	complete
benchmark	subtrees.raml.xml
ran by	Akihisa Yamada
cpu timeout	1200 seconds
wallclock timeout	300 seconds
memory limit	137438953472 bytes
execution host	n054.star.cs.uiowa.edu
space	raML

run statistics

property	value
solver	tct 2018-07-13
configuration	tct_rci_cert
runtime (wallclock)	1.65887784958 seconds
cpu usage	5.492115029
max memory	7.3744384E7

stage attributes

key	value
certification-result	CERTIFIED
output-size	77376
starexec-result	WORST_CASE(?,O(n^2))
certification-time	0.0

output

/export/starexec/sandbox2/solver/bin/starexec_run_tct_rci_cert /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- WORST_CASE(?,O(n^2)) <?xml version="1.0" encoding="UTF-8"?> <?xml-stylesheet type="text/xsl" href="cpfHTML.xsl"?> <certificationProblem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="cpf.xsd"><input><complexityInput><trsInput><trs><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></trs><strategy><innermost/></strategy><relativeRules><rules/></relativeRules></trsInput><runtimeComplexity><signature><symbol><name>::</name><arity>2</arity></symbol><symbol><name>leaf</name><arity>0</arity></symbol><symbol><name>nil</name><arity>0</arity></symbol><symbol><name>node</name><arity>3</arity></symbol></signature><signature><symbol><name>append</name><arity>2</arity></symbol><symbol><name>append#1</name><arity>2</arity></symbol><symbol><name>subtrees</name><arity>1</arity></symbol><symbol><name>subtrees#1</name><arity>1</arity></symbol><symbol><name>subtrees#2</name><arity>4</arity></symbol><symbol><name>subtrees#3</name><arity>5</arity></symbol></signature></runtimeComplexity><polynomial>2</polynomial></complexityInput></input><cpfVersion>2.2</cpfVersion><proof><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>1</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>8</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>15</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>1</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>1</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>4</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>4</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>4</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>1</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>3</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>1</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>13</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>9</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>9</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>6</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>2</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>6</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>6</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>4</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>4</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>3</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>6</integer></coefficient><coefficient><integer>2</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><ruleShifting><orderingConstraintProof><redPair><interpretation><type><matrixInterpretation><domain><naturals/></domain><dimension>2</dimension><strictDimension>1</strictDimension></matrixInterpretation></type><interpret><name>::</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>append#1</name><arity>2</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>leaf</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>5</integer></coefficient><coefficient><integer>2</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>nil</name><arity>0</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>4</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial></sum></polynomial></interpret><interpret><name>node</name><arity>3</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#1</name><arity>1</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#2</name><arity>4</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>2</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial></sum></polynomial></interpret><interpret><name>subtrees#3</name><arity>5</arity><polynomial><sum><polynomial><coefficient><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>4</integer></coefficient></vector></coefficient></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>1</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>1</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>2</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>3</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>4</variable></polynomial></product></polynomial><polynomial><product><polynomial><coefficient><matrix><vector><coefficient><integer>0</integer></coefficient><coefficient><integer>0</integer></coefficient></vector><vector><coefficient><integer>1</integer></coefficient><coefficient><integer>0</integer></coefficient></vector></matrix></coefficient></polynomial><polynomial><variable>5</variable></polynomial></product></polynomial></sum></polynomial></interpret></interpretation></redPair></orderingConstraintProof><trs><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule></rules></trs><usableRules><rules><rule><lhs><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>append#1</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>::</name><arg><var>@x</var></arg><arg><var>@xs</var></arg></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><var>@x</var></arg><arg><funapp><name>append</name><arg><var>@xs</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>append#1</name><arg><funapp><name>nil</name></funapp></arg><arg><var>@l2</var></arg></funapp></lhs><rhs><var>@l2</var></rhs></rule><rule><lhs><funapp><name>subtrees</name><arg><var>@t</var></arg></funapp></lhs><rhs><funapp><name>subtrees#1</name><arg><var>@t</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>leaf</name></funapp></arg></funapp></lhs><rhs><funapp><name>nil</name></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#1</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg></funapp></lhs><rhs><funapp><name>subtrees#2</name><arg><funapp><name>subtrees</name><arg><var>@t1</var></arg></funapp></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#2</name><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>subtrees#3</name><arg><funapp><name>subtrees</name><arg><var>@t2</var></arg></funapp></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></rhs></rule><rule><lhs><funapp><name>subtrees#3</name><arg><var>@l2</var></arg><arg><var>@l1</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg><arg><var>@x</var></arg></funapp></lhs><rhs><funapp><name>::</name><arg><funapp><name>node</name><arg><var>@x</var></arg><arg><var>@t1</var></arg><arg><var>@t2</var></arg></funapp></arg><arg><funapp><name>append</name><arg><var>@l1</var></arg><arg><var>@l2</var></arg></funapp></arg></funapp></rhs></rule></rules></usableRules><complexityProof><rIsEmpty/></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></ruleShifting></complexityProof></proof><origin><proofOrigin><tool><name>TcT</name><version/></tool></proofOrigin></origin></certificationProblem> 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