NO
<?xml version="1.0" encoding="UTF-8" standalone="no"?><?xml-stylesheet type="text/xsl" href="cpfHTML.xsl"?><certificationProblem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="cpf.xsd"><input><trsInput><trs><rules><rule><lhs><funapp><name>0</name><arg><funapp><name>0</name><arg><funapp><name>0</name><arg><funapp><name>0</name><arg><var>x1</var></arg></funapp></arg></funapp></arg></funapp></arg></funapp></lhs><rhs><funapp><name>0</name><arg><funapp><name>1</name><arg><funapp><name>1</name><arg><funapp><name>1</name><arg><var>x1</var></arg></funapp></arg></funapp></arg></funapp></arg></funapp></rhs></rule><rule><lhs><funapp><name>1</name><arg><funapp><name>1</name><arg><funapp><name>0</name><arg><funapp><name>1</name><arg><var>x1</var></arg></funapp></arg></funapp></arg></funapp></arg></funapp></lhs><rhs><funapp><name>0</name><arg><funapp><name>1</name><arg><funapp><name>1</name><arg><funapp><name>0</name><arg><var>x1</var></arg></funapp></arg></funapp></arg></funapp></arg></funapp></rhs></rule></rules></trs></trsInput></input><cpfVersion>2.1</cpfVersion><proof><trsNonterminationProof><nonterminatingSRS><derivationPatterns><derivationPatternProof><OC1><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name></string><string><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><isPair>false</isPair></OC1></derivationPatternProof><derivationPatternProof><OC1><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><isPair>false</isPair></OC1></derivationPatternProof><derivationPatternProof><OC2><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name></string><string><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>1</name><name>1</name></string><string><name>1</name></string><string><name>1</name><name>0</name><name>1</name></string></OC2></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name></string><string><name>1</name><name>0</name></string></OC3></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name></string><string><name>0</name></string></OC3></derivationPatternProof><derivationPatternProof><OC2><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name></string><string><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name></string><string><na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<name>0</name><name>0</name></string><string><name>0</name><name>0</name></string></OC2></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name></string><string><name>1</name><name>1</name></string></OC3></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>0</name></string><string><name>1</name></string></OC3></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name><name>1</name><name>1</name><name>0</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name></string><string><name>0</name><name>1</name><name>1</name><name>1</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name></string><string><name>1</name><name>1</name><name>0</name><name>1</name></string></OC3></derivationPatternProof><derivationPatternProof><OC2><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name><name>1</name><name>1</name><name>0</name><name>1</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name></string><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string/></OC2></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name></string><string><name>1</name><name>0</name></string></OC3></derivationPatternProof><derivationPatternProof><OC3><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>1</name><name>1</name><name>0</name><name>1</name><name>0</name></string></overlapClosureSRS><overlapClosureSRS><string><name>1</name><name>1</name><name>0</name><name>1</name></string><string><name>0</name><name>1</name><name>1</name><name>0</name></string></overlapClosureSRS><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name></string><string><name>0</name></string></OC3></derivationPatternProof></derivationPatterns><selfEmbeddingOC><string/><string><name>0</name><name>0</name><name>0</name><name>0</name><name>1</name><name>0</name><name>1</name><name>0</name><name>0</name><name>1</name><name>1</name><name>0</name><name>0</name></string><string/></selfEmbeddingOC></nonterminatingSRS></trsNonterminationProof></proof><origin><proofOrigin><tool><name>AProVE</name><version>AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty
</version><strategy>Statistics for single proof: 100.00 % (1 real / 0 unknown / 0 assumptions / 1 total proof steps)</strategy><url>http://aprove.informatik.rwth-aachen.de</url></tool><toolUser><firstName>John</firstName><lastName>Doe</lastName></toolUser></proofOrigin><inputOrigin/></origin></certificationProblem>