YES After renaming modulo { b->0, d->1, c->2, a->3 }, it remains to prove termination of the 7-rule system { 0 1 0 -> 2 1 0 , 0 3 2 -> 0 2 , 3 1 -> 1 2 , 0 0 0 -> 3 0 2 , 1 2 -> 0 1 , 1 2 -> 1 0 1 , 1 3 2 -> 0 0 } 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 0 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3 }, it remains to prove termination of the 6-rule system { 0 1 0 -> 2 1 0 , 3 1 -> 1 2 , 0 0 0 -> 3 0 2 , 1 2 -> 0 1 , 1 2 -> 1 0 1 , 1 3 2 -> 0 0 } The system was reversed. After renaming modulo { 0->0, 1->1, 2->2, 3->3 }, it remains to prove termination of the 6-rule system { 0 1 0 -> 0 1 2 , 1 3 -> 2 1 , 0 0 0 -> 2 0 3 , 2 1 -> 1 0 , 2 1 -> 1 0 1 , 2 3 1 -> 0 0 } Applying the dependency pairs transformation. After renaming modulo { (0,true)->0, (1,false)->1, (0,false)->2, (2,false)->3, (1,true)->4, (2,true)->5, (3,false)->6 }, it remains to prove termination of the 20-rule system { 0 1 2 -> 0 1 3 , 0 1 2 -> 4 3 , 0 1 2 -> 5 , 4 6 -> 5 1 , 4 6 -> 4 , 0 2 2 -> 5 2 6 , 0 2 2 -> 0 6 , 5 1 -> 4 2 , 5 1 -> 0 , 5 1 -> 4 2 1 , 5 1 -> 0 1 , 5 1 -> 4 , 5 6 1 -> 0 2 , 5 6 1 -> 0 , 2 1 2 ->= 2 1 3 , 1 6 ->= 3 1 , 2 2 2 ->= 3 2 6 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 6 1 ->= 2 2 } 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 0 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 1 | | 0 1 | \ / 4 is interpreted by / \ | 1 0 | | 0 1 | \ / 5 is interpreted by / \ | 1 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 6->5, 5->6 }, it remains to prove termination of the 14-rule system { 0 1 2 -> 0 1 3 , 4 5 -> 6 1 , 0 2 2 -> 6 2 5 , 6 1 -> 4 2 , 6 1 -> 0 , 6 1 -> 4 2 1 , 6 1 -> 0 1 , 6 5 1 -> 0 2 , 2 1 2 ->= 2 1 3 , 1 5 ->= 3 1 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } 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 0 | | 0 1 0 | | 0 0 0 | \ / 4 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 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, 6->4, 5->5, 4->6 }, it remains to prove termination of the 13-rule system { 0 1 2 -> 0 1 3 , 0 2 2 -> 4 2 5 , 4 1 -> 6 2 , 4 1 -> 0 , 4 1 -> 6 2 1 , 4 1 -> 0 1 , 4 5 1 -> 0 2 , 2 1 2 ->= 2 1 3 , 1 5 ->= 3 1 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } 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 0 | | 0 1 | \ / 2 is interpreted by / \ | 1 0 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 1 | | 0 1 | \ / 5 is interpreted by / \ | 1 0 | | 0 1 | \ / 6 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 11-rule system { 0 1 2 -> 0 1 3 , 0 2 2 -> 4 2 5 , 4 1 -> 0 , 4 1 -> 0 1 , 4 5 1 -> 0 2 , 2 1 2 ->= 2 1 3 , 1 5 ->= 3 1 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } 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 1 | | 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 0 | | 0 1 0 | | 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 10-rule system { 0 1 2 -> 0 1 3 , 0 2 2 -> 4 2 5 , 4 1 -> 0 , 4 1 -> 0 1 , 4 5 1 -> 0 2 , 2 1 2 ->= 2 1 3 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } 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 1 0 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 3 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 4 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 0 | \ / 5 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 }, it remains to prove termination of the 8-rule system { 0 1 2 -> 0 1 3 , 0 2 2 -> 4 2 5 , 4 5 1 -> 0 2 , 2 1 2 ->= 2 1 3 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 4: 0 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 1 0 0 | \ / 2 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 3 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 1 | \ / 4 is interpreted by / \ | 1 0 1 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 1 | | 0 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 7-rule system { 0 1 2 -> 0 1 3 , 0 2 2 -> 4 2 5 , 2 1 2 ->= 2 1 3 , 2 2 2 ->= 3 2 5 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 5 1 ->= 2 2 } 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 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 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 5->4 }, it remains to prove termination of the 6-rule system { 0 1 2 -> 0 1 3 , 2 1 2 ->= 2 1 3 , 2 2 2 ->= 3 2 4 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 , 3 4 1 ->= 2 2 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 7: 0 is interpreted by / \ | 1 0 0 0 1 0 0 | | 0 1 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | \ / 1 is interpreted by / \ | 1 0 1 0 0 1 0 | | 0 1 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 1 0 0 0 0 0 | | 0 0 0 0 0 1 0 | | 0 0 0 0 0 0 0 | | 0 0 1 0 0 0 0 | \ / 2 is interpreted by / \ | 1 0 0 0 0 0 0 | | 0 1 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 1 0 0 0 0 | | 0 0 0 0 0 0 0 | \ / 3 is interpreted by / \ | 1 0 1 0 0 0 0 | | 0 1 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 1 0 0 0 | | 0 0 0 0 0 0 1 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 0 0 0 0 | | 0 1 0 0 0 0 0 | | 0 0 0 1 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | | 0 0 0 0 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4 }, it remains to prove termination of the 5-rule system { 0 1 2 -> 0 1 3 , 2 1 2 ->= 2 1 3 , 2 2 2 ->= 3 2 4 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 } 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 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 1 | | 0 1 | \ / 4 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3 }, it remains to prove termination of the 4-rule system { 0 1 2 -> 0 1 3 , 2 1 2 ->= 2 1 3 , 3 1 ->= 1 2 , 3 1 ->= 1 2 1 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 4: 0 is interpreted by / \ | 1 0 1 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 1 | | 0 0 0 0 | \ / 2 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 1 0 0 | \ / 3 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 1 0 0 | | 0 0 0 0 | \ / After renaming modulo { 2->0, 1->1, 3->2 }, it remains to prove termination of the 3-rule system { 0 1 0 ->= 0 1 2 , 2 1 ->= 1 0 , 2 1 ->= 1 0 1 } The system is trivially terminating.