YES
<?xml version="1.0"?>
<?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>a1</name></funapp></lhs><rhs><funapp><name>b1</name></funapp></rhs></rule><rule><lhs><funapp><name>a1</name></funapp></lhs><rhs><funapp><name>c1</name></funapp></rhs></rule><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b5</name></funapp></rhs></rule><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>c5</name></funapp></rhs></rule><rule><lhs><funapp><name>a5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>b5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule></rules></trs></trsInput></input><cpfVersion>2.1</cpfVersion><proof><crProof><redundantRules><trs><rules><rule><lhs><funapp><name>c5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>b5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>a5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>c5</name></funapp></rhs></rule><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b5</name></funapp></rhs></rule><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><rule><lhs><funapp><name>a1</name></funapp></lhs><rhs><funapp><name>c1</name></funapp></rhs></rule><rule><lhs><funapp><name>a1</name></funapp></lhs><rhs><funapp><name>b1</name></funapp></rhs></rule><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule></rules></trs><nrSteps>5</nrSteps><crProof><decreasingDiagrams><relativeTerminationProof><rIsEmpty/></relativeTerminationProof><ruleLabeling><ruleLabelingFunction><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>c5</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b5</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><label>2</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a4</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><label>2</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>c4</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b4</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><label>3</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a3</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><label>4</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>c3</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b3</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><label>4</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a2</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><label>4</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>c2</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b2</name></funapp></rhs></rule><label>0</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a1</name></funapp></lhs><rhs><funapp><name>c1</name></funapp></rhs></rule><label>6</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>a1</name></funapp></lhs><rhs><funapp><name>b1</name></funapp></rhs></rule><label>9</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>4</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>8</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>3</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>3</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>2</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>2</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>1</label></ruleLabelingFunctionEntry><ruleLabelingFunctionEntry><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><label>1</label></ruleLabelingFunctionEntry></ruleLabelingFunction><joinableCriticalPairs><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c5</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b5</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>c4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>c3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>c2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>c1</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>b1</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b1</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence><rewriteSequence><startTerm><funapp><name>c1</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c1</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>b2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>c2</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c2</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>b3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>c3</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c3</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>b4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>c4</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c4</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>b5</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>b5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair><joinableCriticalPair><rewriteSequence><startTerm><funapp><name>b6</name></funapp></startTerm></rewriteSequence><rewriteSequence><startTerm><funapp><name>c5</name></funapp></startTerm><rewriteStep><positionInTerm/><rule><lhs><funapp><name>c5</name></funapp></lhs><rhs><funapp><name>b6</name></funapp></rhs></rule><funapp><name>b6</name></funapp></rewriteStep></rewriteSequence></joinableCriticalPair></joinableCriticalPairs></ruleLabeling></decreasingDiagrams></crProof></redundantRules></crProof></proof><origin><proofOrigin><tool><name>csi</name><version>csi 1.2.5 [hg: unknown]</version><strategy>(sorted -ms*; ( ((cr -kb;((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))! || ((if linear then cr -closed -m -1;closed -strongly 7 else fail) || (if left-linear then cr -closed -m -1;(closed -development) else fail))! || (if linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (if left-linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (cr -cpcs2 -cpcscert; ((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))!) || (( (nonconfluence -steps 0 -tcap -fun | nonconfluence -steps 2 -tcap -fun | nonconfluence -steps 25 -width 1 -tcap -fun) || (nonconfluence -steps 2 -tcap -var | nonconfluence -steps 25 -width 1 -tcap -var) || (nonconfluence -steps 0 -tree -cert -fun | nonconfluence -steps 0 -tree -cert -var | nonconfluence -steps 1 -tree -cert -fun | nonconfluence -steps 1 -tree -cert -var | nonconfluence -steps 2 -tree -cert -fun | nonconfluence -steps 2 -tree -cert -var | nonconfluence -steps 25 -tree -cert -fun | nonconfluence -steps 25 -tree -cert -var) )[6] | ((cr -m -1 -force);(redundant -narrowfwd -narrowbwd -size 7)))3*! || (((cr -m -1 -force);(redundant -remove 4)); ((cr -kb;((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))! || ((if linear then cr -closed -m -1;closed -strongly 7 else fail) || (if left-linear then cr -closed -m -1;(closed -development) else fail))! || (if linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (if left-linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (cr -cpcs2 -cpcscert; ((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))!))! || (((cr -force -redundant);(redundant)); ((cr -kb;((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))! || ((if linear then cr -closed -m -1;closed -strongly 7 else fail) || (if left-linear then cr -closed -m -1;(closed -development) else fail))! || (if linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (if left-linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (cr -cpcs2 -cpcscert; ((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))!)[15]?)3*! || (((cr -m -1 -force -redundant);(redundant -rhs)); ((cr -kb;((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))! || ((if linear then cr -closed -m -1;closed -strongly 7 else fail) || (if left-linear then cr -closed -m -1;(closed -development) else fail))! || (if linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (if left-linear then (cr  -dup;(( lpo -quasi || (matrix -dim 1 -ib 3 -ob 4 | matrix -dim 2 -ib 2 -ob 2 | matrix -dim 3 -ib 1 -ob 2 | arctic -dim 2 -ib 2 -ob 2) || (if duplicating then fail else (bounds -rt || bounds -rt -qc))[1] || poly -ib 2 -ob 4 -nl2 -heuristic 1 || fail )[5]*);shift -lstar);(rule_labeling | rule_labeling -left)?;decreasing else fail)! || (cr -cpcs2 -cpcscert; ((( matrix -dim 1 -ib 3 -ob 5 | matrix -dim 2 -ib 2 -ob 3 | matrix -dim 3 -ib 1 -ob 1 | matrix -dim 3 -ib 1 -ob 3 | fail)[2]*);((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])! || (rev;((dp;edg[0.5]?;(sccs | (sc || sct || {ur?;( (matrix -dp -ur -dim 1 -ib 3 -ob 5 | matrix -dp -ur -dim 2 -ib 2 -ob 3 | matrix -dp -ur -dim 3 -ib 1 -ob 1 | matrix -dp -ur -dim 3 -ib 1 -ob 3) || (kbo -ur -af | lpo -ur -af) || ( arctic -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || ( arctic -bz -dp -ur -dim 2 -ib 2 -ob 2[2] | fail) || fail) }restore || fail;(bounds -dp -rfc -qc || bounds -dp -all -rfc -qc || bounds -rfc -qc)[1] || fail ))*[6])! || (( kbo || (lpo | fail;(ref;lpo)) || fail;(bounds -rfc -qc) || fail)*[7])!)))))!)[15]?)3*! ))[54]</strategy></tool></proofOrigin></origin></certificationProblem>