YES After renaming modulo { 1->0, q0->1, 0->2, q1->3, q2->4 }, it remains to prove termination of the 7-rule system { 0 1 0 -> 2 0 3 , 0 1 2 -> 2 2 3 , 0 3 0 -> 0 0 3 , 0 3 2 -> 0 2 3 , 2 3 -> 4 0 , 0 4 -> 4 0 , 2 4 -> 2 1 } The system was reversed. After renaming modulo { 0->0, 1->1, 3->2, 2->3, 4->4 }, it remains to prove termination of the 7-rule system { 0 1 0 -> 2 0 3 , 3 1 0 -> 2 3 3 , 0 2 0 -> 2 0 0 , 3 2 0 -> 2 3 0 , 2 3 -> 0 4 , 4 0 -> 0 4 , 4 3 -> 1 3 } Applying the dependency pairs transformation. After renaming modulo { (0,true)->0, (1,false)->1, (0,false)->2, (2,true)->3, (3,false)->4, (3,true)->5, (2,false)->6, (4,false)->7, (4,true)->8 }, it remains to prove termination of the 24-rule system { 0 1 2 -> 3 2 4 , 0 1 2 -> 0 4 , 0 1 2 -> 5 , 5 1 2 -> 3 4 4 , 5 1 2 -> 5 4 , 5 1 2 -> 5 , 0 6 2 -> 3 2 2 , 0 6 2 -> 0 2 , 0 6 2 -> 0 , 5 6 2 -> 3 4 2 , 5 6 2 -> 5 2 , 5 6 2 -> 0 , 3 4 -> 0 7 , 3 4 -> 8 , 8 2 -> 0 7 , 8 2 -> 8 , 8 4 -> 5 , 2 1 2 ->= 6 2 4 , 4 1 2 ->= 6 4 4 , 2 6 2 ->= 6 2 2 , 4 6 2 ->= 6 4 2 , 6 4 ->= 2 7 , 7 2 ->= 2 7 , 7 4 ->= 1 4 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 2: 0 is interpreted by / \ | 1 1 | | 0 1 | \ / 1 is interpreted by / \ | 1 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 1 | | 0 1 | \ / 4 is interpreted by / \ | 1 1 | | 0 1 | \ / 5 is interpreted by / \ | 1 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5, 6->6, 7->7, 8->8 }, it remains to prove termination of the 13-rule system { 0 1 2 -> 3 2 4 , 5 1 2 -> 3 4 4 , 0 6 2 -> 3 2 2 , 5 6 2 -> 3 4 2 , 3 4 -> 0 7 , 8 2 -> 0 7 , 2 1 2 ->= 6 2 4 , 4 1 2 ->= 6 4 4 , 2 6 2 ->= 6 2 2 , 4 6 2 ->= 6 4 2 , 6 4 ->= 2 7 , 7 2 ->= 2 7 , 7 4 ->= 1 4 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 2: 0 is interpreted by / \ | 1 0 | | 0 1 | \ / 1 is interpreted by / \ | 1 0 | | 0 1 | \ / 2 is interpreted by / \ | 1 0 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 0 | | 0 1 | \ / 5 is interpreted by / \ | 1 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 0 | | 0 1 | \ / 7 is interpreted by / \ | 1 0 | | 0 1 | \ / 8 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 6->5, 7->6 }, it remains to prove termination of the 10-rule system { 0 1 2 -> 3 2 4 , 0 5 2 -> 3 2 2 , 3 4 -> 0 6 , 2 1 2 ->= 5 2 4 , 4 1 2 ->= 5 4 4 , 2 5 2 ->= 5 2 2 , 4 5 2 ->= 5 4 2 , 5 4 ->= 2 6 , 6 2 ->= 2 6 , 6 4 ->= 1 4 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 3: 0 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 3 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 6 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5, 6->6 }, it remains to prove termination of the 9-rule system { 0 1 2 -> 3 2 4 , 0 5 2 -> 3 2 2 , 2 1 2 ->= 5 2 4 , 4 1 2 ->= 5 4 4 , 2 5 2 ->= 5 2 2 , 4 5 2 ->= 5 4 2 , 5 4 ->= 2 6 , 6 2 ->= 2 6 , 6 4 ->= 1 4 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 2: 0 is interpreted by / \ | 1 1 | | 0 1 | \ / 1 is interpreted by / \ | 1 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 1 | | 0 1 | \ / 5 is interpreted by / \ | 1 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 2->0, 1->1, 5->2, 4->3, 6->4 }, it remains to prove termination of the 7-rule system { 0 1 0 ->= 2 0 3 , 3 1 0 ->= 2 3 3 , 0 2 0 ->= 2 0 0 , 3 2 0 ->= 2 3 0 , 2 3 ->= 0 4 , 4 0 ->= 0 4 , 4 3 ->= 1 3 } The system is trivially terminating.