YES After renaming modulo { q0->0, a->1, x->2, q1->3, y->4, b->5, q2->6, q3->7, bl->8, q4->9 }, it remains to prove termination of the 13-rule system { 0 1 -> 2 3 , 3 1 -> 1 3 , 3 4 -> 4 3 , 1 3 5 -> 6 1 4 , 1 6 1 -> 6 1 1 , 1 6 4 -> 6 1 4 , 4 3 5 -> 6 4 4 , 4 6 1 -> 6 4 1 , 4 6 4 -> 6 4 4 , 6 2 -> 2 0 , 0 4 -> 4 7 , 7 4 -> 4 7 , 7 8 -> 8 9 } 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 0 | | 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 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 0 | | 0 1 | \ / 9 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 3->0, 1->1, 4->2, 6->3, 2->4, 0->5, 7->6 }, it remains to prove termination of the 9-rule system { 0 1 -> 1 0 , 0 2 -> 2 0 , 1 3 1 -> 3 1 1 , 1 3 2 -> 3 1 2 , 2 3 1 -> 3 2 1 , 2 3 2 -> 3 2 2 , 3 4 -> 4 5 , 5 2 -> 2 6 , 6 2 -> 2 6 } 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 1 | | 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 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5, 6->6 }, it remains to prove termination of the 8-rule system { 0 1 -> 1 0 , 0 2 -> 2 0 , 1 3 1 -> 3 1 1 , 1 3 2 -> 3 1 2 , 2 3 1 -> 3 2 1 , 2 3 2 -> 3 2 2 , 3 4 -> 4 5 , 6 2 -> 2 6 } 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 1 | | 0 1 | \ / 4 is interpreted by / \ | 1 0 | | 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, 6->4 }, it remains to prove termination of the 7-rule system { 0 1 -> 1 0 , 0 2 -> 2 0 , 1 3 1 -> 3 1 1 , 1 3 2 -> 3 1 2 , 2 3 1 -> 3 2 1 , 2 3 2 -> 3 2 2 , 4 2 -> 2 4 } Applying the dependency pairs transformation. After renaming modulo { (0,true)->0, (1,false)->1, (1,true)->2, (0,false)->3, (2,false)->4, (2,true)->5, (3,false)->6, (4,true)->7, (4,false)->8 }, it remains to prove termination of the 21-rule system { 0 1 -> 2 3 , 0 1 -> 0 , 0 4 -> 5 3 , 0 4 -> 0 , 2 6 1 -> 2 1 , 2 6 1 -> 2 , 2 6 4 -> 2 4 , 2 6 4 -> 5 , 5 6 1 -> 5 1 , 5 6 1 -> 2 , 5 6 4 -> 5 4 , 5 6 4 -> 5 , 7 4 -> 5 8 , 7 4 -> 7 , 3 1 ->= 1 3 , 3 4 ->= 4 3 , 1 6 1 ->= 6 1 1 , 1 6 4 ->= 6 1 4 , 4 6 1 ->= 6 4 1 , 4 6 4 ->= 6 4 4 , 8 4 ->= 4 8 } 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 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 3->0, 1->1, 4->2, 6->3, 8->4 }, it remains to prove termination of the 7-rule system { 0 1 ->= 1 0 , 0 2 ->= 2 0 , 1 3 1 ->= 3 1 1 , 1 3 2 ->= 3 1 2 , 2 3 1 ->= 3 2 1 , 2 3 2 ->= 3 2 2 , 4 2 ->= 2 4 } The system is trivially terminating.