YES We show the termination of the TRS R: app(f(),|0|()) -> true() app(f(),|1|()) -> false() app(f(),app(s(),x)) -> app(f(),x) app(app(app(if(),true()),app(s(),x)),app(s(),y)) -> app(s(),x) app(app(app(if(),false()),app(s(),x)),app(s(),y)) -> app(s(),y) app(app(g(),x),app(c(),y)) -> app(c(),app(app(g(),x),y)) app(app(g(),x),app(c(),y)) -> app(app(g(),x),app(app(app(if(),app(f(),x)),app(c(),app(app(g(),app(s(),x)),y))),app(c(),y))) app(app(map(),|fun|),nil()) -> nil() app(app(map(),|fun|),app(app(cons(),x),xs)) -> app(app(cons(),app(|fun|,x)),app(app(map(),|fun|),xs)) app(app(filter(),|fun|),nil()) -> nil() app(app(filter(),|fun|),app(app(cons(),x),xs)) -> app(app(app(app(filter2(),app(|fun|,x)),|fun|),x),xs) app(app(app(app(filter2(),true()),|fun|),x),xs) -> app(app(cons(),x),app(app(filter(),|fun|),xs)) app(app(app(app(filter2(),false()),|fun|),x),xs) -> app(app(filter(),|fun|),xs) Instead we prove termination of the uncurried system: app(c_0(),y) -> c_1(y) app(cons_0(),y) -> cons_1(y) app(cons_1(x1),y) -> cons_2(x1,y) app(f_0(),y) -> f_1(y) app(filter_0(),y) -> filter_1(y) app(filter_1(x1),y) -> filter_2(x1,y) app(filter2_0(),y) -> filter2_1(y) app(filter2_1(x1),y) -> filter2_2(x1,y) app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) app(g_0(),y) -> g_1(y) app(g_1(x1),y) -> g_2(x1,y) app(if_0(),y) -> if_1(y) app(if_1(x1),y) -> if_2(x1,y) app(if_2(x1,x2),y) -> if_3(x1,x2,y) app(map_0(),y) -> map_1(y) app(map_1(x1),y) -> map_2(x1,y) app(s_0(),y) -> s_1(y) f_1(|0|_0()) -> true_0() f_1(|1|_0()) -> false_0() f_1(s_1(x)) -> f_1(x) if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) g_2(x,c_1(y)) -> c_1(g_2(x,y)) g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) map_2(|fun|,nil_0()) -> nil_0() map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) filter_2(|fun|,nil_0()) -> nil_0() filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: app#(f_0(),y) -> f_1#(y) p2: app#(filter_1(x1),y) -> filter_2#(x1,y) p3: app#(filter2_3(x1,x2,x3),y) -> filter2_4#(x1,x2,x3,y) p4: app#(g_1(x1),y) -> g_2#(x1,y) p5: app#(if_2(x1,x2),y) -> if_3#(x1,x2,y) p6: app#(map_1(x1),y) -> map_2#(x1,y) p7: f_1#(s_1(x)) -> f_1#(x) p8: g_2#(x,c_1(y)) -> g_2#(x,y) p9: g_2#(x,c_1(y)) -> g_2#(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) p10: g_2#(x,c_1(y)) -> if_3#(f_1(x),c_1(g_2(s_1(x),y)),c_1(y)) p11: g_2#(x,c_1(y)) -> f_1#(x) p12: g_2#(x,c_1(y)) -> g_2#(s_1(x),y) p13: map_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p14: map_2#(|fun|,cons_2(x,xs)) -> map_2#(|fun|,xs) p15: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p16: filter_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p17: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p18: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: {p2, p3, p6, p13, p14, p15, p16, p17, p18} {p8, p12} {p7} -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: map_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p2: app#(map_1(x1),y) -> map_2#(x1,y) p3: map_2#(|fun|,cons_2(x,xs)) -> map_2#(|fun|,xs) p4: app#(filter2_3(x1,x2,x3),y) -> filter2_4#(x1,x2,x3,y) p5: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p6: filter_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p7: app#(filter_1(x1),y) -> filter_2#(x1,y) p8: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p9: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r3, r4, r5, r7, r8, r9, r11, r13, r14, r15, r16, r18, r19, r20, r21, r22, r23, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: map_2#_A(x1,x2) = x1 + x2 + 3 cons_2_A(x1,x2) = x1 + x2 + 2 app#_A(x1,x2) = x1 + x2 + 3 map_1_A(x1) = x1 + 2 filter2_3_A(x1,x2,x3) = x1 + x2 + x3 + 2 filter2_4#_A(x1,x2,x3,x4) = x2 + x4 + 4 false_0_A() = 4 filter_2#_A(x1,x2) = x1 + x2 + 3 filter_1_A(x1) = x1 + 2 app_A(x1,x2) = x1 + x2 + 4 true_0_A() = 2 c_0_A() = 8 c_1_A(x1) = 7 cons_0_A() = 1 cons_1_A(x1) = x1 + 3 f_0_A() = 6 f_1_A(x1) = 5 filter_0_A() = 1 filter2_0_A() = 1 filter2_1_A(x1) = x1 + 2 filter2_2_A(x1,x2) = x1 + x2 + 1 g_0_A() = 4 g_1_A(x1) = x1 + 7 if_0_A() = 1 if_1_A(x1) = x1 + 2 if_2_A(x1,x2) = x1 + x2 + 3 if_3_A(x1,x2,x3) = x2 + 1 map_0_A() = 1 s_0_A() = 2 s_1_A(x1) = 1 |0|_0_A() = 3 |1|_0_A() = 5 filter_2_A(x1,x2) = x1 + x2 + 5 nil_0_A() = 1 base order 2: precedence: app# > filter2_4# > filter_2# = filter_2 > filter_1 > map_2# = app > map_1 = g_1 = if_3 > c_0 > c_1 > f_1 = |1|_0 > cons_2 = filter2_3 = false_0 = f_0 = filter_0 = g_0 = if_2 = map_0 = s_0 = |0|_0 = nil_0 > true_0 = cons_1 = filter2_2 = if_1 > cons_0 = filter2_1 = if_0 = s_1 > filter2_0 partial status: pi(map_2#) = [] pi(cons_2) = [2] pi(app#) = [] pi(map_1) = [1] pi(filter2_3) = [3] pi(filter2_4#) = [] pi(false_0) = [] pi(filter_2#) = [] pi(filter_1) = [1] pi(app) = [2] pi(true_0) = [] pi(c_0) = [] pi(c_1) = [] pi(cons_0) = [] pi(cons_1) = [1] pi(f_0) = [] pi(f_1) = [] pi(filter_0) = [] pi(filter2_0) = [] pi(filter2_1) = [1] pi(filter2_2) = [2] pi(g_0) = [] pi(g_1) = [1] pi(if_0) = [] pi(if_1) = [1] pi(if_2) = [2] pi(if_3) = [2] pi(map_0) = [] pi(s_0) = [] pi(s_1) = [] pi(|0|_0) = [] pi(|1|_0) = [] pi(filter_2) = [2] pi(nil_0) = [] The following rules are removed: p1 -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: app#(map_1(x1),y) -> map_2#(x1,y) p2: map_2#(|fun|,cons_2(x,xs)) -> map_2#(|fun|,xs) p3: app#(filter2_3(x1,x2,x3),y) -> filter2_4#(x1,x2,x3,y) p4: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p5: filter_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p6: app#(filter_1(x1),y) -> filter_2#(x1,y) p7: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p8: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: {p3, p4, p5, p6, p7, p8} {p2} -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: filter_2#(|fun|,cons_2(x,xs)) -> app#(|fun|,x) p2: app#(filter_1(x1),y) -> filter_2#(x1,y) p3: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p4: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p5: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p6: app#(filter2_3(x1,x2,x3),y) -> filter2_4#(x1,x2,x3,y) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r3, r4, r5, r7, r8, r11, r13, r14, r15, r16, r18, r19, r20, r21, r22, r23, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: filter_2#_A(x1,x2) = x1 + x2 + 3 cons_2_A(x1,x2) = x1 + x2 + 3 app#_A(x1,x2) = x1 + x2 + 4 filter_1_A(x1) = x1 + 2 filter2_4#_A(x1,x2,x3,x4) = x2 + x4 + 4 app_A(x1,x2) = x1 + x2 + 4 true_0_A() = 1 false_0_A() = 1 filter2_3_A(x1,x2,x3) = x1 + x2 + x3 + 8 c_0_A() = 1 c_1_A(x1) = 3 cons_0_A() = 1 cons_1_A(x1) = x1 + 2 f_0_A() = 3 f_1_A(x1) = 2 filter_0_A() = 1 filter2_0_A() = 1 filter2_1_A(x1) = x1 + 2 filter2_2_A(x1,x2) = x1 + x2 + 3 g_0_A() = 1 g_1_A(x1) = x1 + 2 if_0_A() = 1 if_1_A(x1) = x1 + 3 if_2_A(x1,x2) = x1 + x2 + 6 if_3_A(x1,x2,x3) = 5 map_0_A() = 1 map_1_A(x1) = x1 + 2 s_0_A() = 1 s_1_A(x1) = 4 |0|_0_A() = 2 |1|_0_A() = 2 filter_2_A(x1,x2) = x1 + x2 + 3 nil_0_A() = 1 base order 2: precedence: app# > filter2_4# = filter2_3 > filter_2# = f_0 = |0|_0 = filter_2 > filter_1 > app = filter_0 = nil_0 > cons_2 = filter2_2 = g_1 = if_2 = map_1 > cons_1 = filter2_1 = g_0 = if_1 = if_3 = map_0 > cons_0 = filter2_0 = if_0 = s_1 > c_1 = s_0 = |1|_0 > false_0 = c_0 = f_1 > true_0 partial status: pi(filter_2#) = [] pi(cons_2) = [2] pi(app#) = [2] pi(filter_1) = [] pi(filter2_4#) = [] pi(app) = [] pi(true_0) = [] pi(false_0) = [] pi(filter2_3) = [3] pi(c_0) = [] pi(c_1) = [] pi(cons_0) = [] pi(cons_1) = [1] pi(f_0) = [] pi(f_1) = [] pi(filter_0) = [] pi(filter2_0) = [] pi(filter2_1) = [1] pi(filter2_2) = [1, 2] pi(g_0) = [] pi(g_1) = [1] pi(if_0) = [] pi(if_1) = [1] pi(if_2) = [2] pi(if_3) = [] pi(map_0) = [] pi(map_1) = [1] pi(s_0) = [] pi(s_1) = [] pi(|0|_0) = [] pi(|1|_0) = [] pi(filter_2) = [1, 2] pi(nil_0) = [] The following rules are removed: p1 -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: app#(filter_1(x1),y) -> filter_2#(x1,y) p2: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p3: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p4: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p5: app#(filter2_3(x1,x2,x3),y) -> filter2_4#(x1,x2,x3,y) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: {p2, p3, p4} -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p2: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) p3: filter2_4#(true_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r5, r8, r9, r13, r15, r18, r19, r20, r21, r22, r23, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: filter_2#_A(x1,x2) = x2 + 5 cons_2_A(x1,x2) = x1 + x2 + 7 filter2_4#_A(x1,x2,x3,x4) = x4 + 6 app_A(x1,x2) = 7 false_0_A() = 6 true_0_A() = 4 c_0_A() = 1 c_1_A(x1) = 2 cons_0_A() = 1 cons_1_A(x1) = 7 filter_0_A() = 7 filter_1_A(x1) = 6 filter2_1_A(x1) = 8 filter2_2_A(x1,x2) = 5 filter2_3_A(x1,x2,x3) = 6 if_0_A() = 2 if_1_A(x1) = 1 if_2_A(x1,x2) = x1 + x2 + 8 if_3_A(x1,x2,x3) = 4 s_0_A() = 1 s_1_A(x1) = 3 f_1_A(x1) = 8 |0|_0_A() = 5 |1|_0_A() = 7 filter_2_A(x1,x2) = x1 + 5 nil_0_A() = 0 base order 2: precedence: if_2 = if_3 > s_1 > c_1 = s_0 = filter_2 > cons_2 = c_0 = f_1 = |0|_0 > filter2_4# = true_0 > filter_2# = |1|_0 = nil_0 > app = false_0 > cons_1 = filter_1 = filter2_3 = if_1 > cons_0 = filter_0 = filter2_1 = filter2_2 = if_0 partial status: pi(filter_2#) = [2] pi(cons_2) = [] pi(filter2_4#) = [4] pi(app) = [] pi(false_0) = [] pi(true_0) = [] pi(c_0) = [] pi(c_1) = [] pi(cons_0) = [] pi(cons_1) = [] pi(filter_0) = [] pi(filter_1) = [] pi(filter2_1) = [] pi(filter2_2) = [] pi(filter2_3) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [2] pi(if_3) = [] pi(s_0) = [] pi(s_1) = [] pi(f_1) = [] pi(|0|_0) = [] pi(|1|_0) = [] pi(filter_2) = [1] pi(nil_0) = [] The following rules are removed: p3 -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p2: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: {p1, p2} -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) p2: filter2_4#(false_0(),|fun|,x,xs) -> filter_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r11, r12, r13, r14, r24, r25, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: filter_2#_A(x1,x2) = x2 + 8 cons_2_A(x1,x2) = x1 + x2 + 10 filter2_4#_A(x1,x2,x3,x4) = x4 + 9 app_A(x1,x2) = 2 false_0_A() = 7 c_0_A() = 0 c_1_A(x1) = 1 g_0_A() = 0 g_1_A(x1) = 0 g_2_A(x1,x2) = 1 if_0_A() = 0 if_1_A(x1) = 0 if_2_A(x1,x2) = 0 if_3_A(x1,x2,x3) = 5 f_1_A(x1) = 3 s_1_A(x1) = 6 filter_2_A(x1,x2) = x2 + 4 nil_0_A() = 1 base order 2: precedence: filter_2 > cons_2 > filter_2# = filter2_4# = nil_0 > app = false_0 > c_0 = g_1 = f_1 > c_1 = g_0 = g_2 > if_3 > if_2 = s_1 > if_1 > if_0 partial status: pi(filter_2#) = [2] pi(cons_2) = [1] pi(filter2_4#) = [] pi(app) = [] pi(false_0) = [] pi(c_0) = [] pi(c_1) = [] pi(g_0) = [] pi(g_1) = [] pi(g_2) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [] pi(if_3) = [] pi(f_1) = [] pi(s_1) = [] pi(filter_2) = [] pi(nil_0) = [] The following rules are removed: p2 -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: filter_2#(|fun|,cons_2(x,xs)) -> filter2_4#(app(|fun|,x),|fun|,x,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: (no SCCs) -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: map_2#(|fun|,cons_2(x,xs)) -> map_2#(|fun|,xs) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r4, r5, r7, r8, r9, r11, r13, r14, r16, r18, r19, r20, r21, r22, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: map_2#_A(x1,x2) = x2 cons_2_A(x1,x2) = x1 + x2 + 1 app_A(x1,x2) = x2 + 7 c_0_A() = 1 c_1_A(x1) = x1 + 2 cons_0_A() = 3 cons_1_A(x1) = 2 f_0_A() = 4 f_1_A(x1) = 3 filter_0_A() = 2 filter_1_A(x1) = 1 filter2_0_A() = 3 filter2_1_A(x1) = 2 filter2_2_A(x1,x2) = 1 filter2_3_A(x1,x2,x3) = 2 g_0_A() = 7 g_1_A(x1) = 6 if_0_A() = 3 if_1_A(x1) = 2 if_2_A(x1,x2) = 1 map_0_A() = 2 map_1_A(x1) = 1 s_0_A() = 1 s_1_A(x1) = 4 |0|_0_A() = 2 true_0_A() = 1 |1|_0_A() = 2 false_0_A() = 1 if_3_A(x1,x2,x3) = x3 filter_2_A(x1,x2) = x1 + x2 + 2 nil_0_A() = 1 base order 2: precedence: cons_0 > cons_1 > cons_2 > app = g_0 = filter_2 > g_1 > filter_0 = if_0 = map_0 = s_0 > map_2# = c_1 = filter_1 = filter2_0 = filter2_3 = if_1 = map_1 = s_1 = |0|_0 = |1|_0 = if_3 = nil_0 > c_0 = f_1 = filter2_2 = if_2 > f_0 = filter2_1 = true_0 = false_0 partial status: pi(map_2#) = [] pi(cons_2) = [1] pi(app) = [] pi(c_0) = [] pi(c_1) = [1] pi(cons_0) = [] pi(cons_1) = [] pi(f_0) = [] pi(f_1) = [] pi(filter_0) = [] pi(filter_1) = [] pi(filter2_0) = [] pi(filter2_1) = [] pi(filter2_2) = [] pi(filter2_3) = [] pi(g_0) = [] pi(g_1) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [] pi(map_0) = [] pi(map_1) = [] pi(s_0) = [] pi(s_1) = [] pi(|0|_0) = [] pi(true_0) = [] pi(|1|_0) = [] pi(false_0) = [] pi(if_3) = [] pi(filter_2) = [1] pi(nil_0) = [] The following rules are removed: p1 Then no dependency pair remains. -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: g_2#(x,c_1(y)) -> g_2#(s_1(x),y) p2: g_2#(x,c_1(y)) -> g_2#(x,y) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r4, r5, r7, r8, r9, r11, r13, r14, r16, r18, r19, r20, r21, r23, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: g_2#_A(x1,x2) = x1 + x2 + 4 c_1_A(x1) = x1 + 3 s_1_A(x1) = x1 + 2 app_A(x1,x2) = x2 + 8 c_0_A() = 1 cons_0_A() = 2 cons_1_A(x1) = 1 f_0_A() = 8 f_1_A(x1) = 7 filter_0_A() = 2 filter_1_A(x1) = 1 filter2_0_A() = 2 filter2_1_A(x1) = 1 filter2_2_A(x1,x2) = x2 + 2 filter2_3_A(x1,x2,x3) = 3 g_0_A() = 8 g_1_A(x1) = 7 if_0_A() = 3 if_1_A(x1) = 2 if_2_A(x1,x2) = 1 map_0_A() = 2 map_1_A(x1) = 1 s_0_A() = 1 |0|_0_A() = 4 true_0_A() = 3 |1|_0_A() = 4 false_0_A() = 3 if_3_A(x1,x2,x3) = x3 + 2 filter_2_A(x1,x2) = x2 + 9 nil_0_A() = 1 base order 2: precedence: filter_2 = nil_0 > app = cons_0 = f_0 = filter_0 = g_0 = if_0 = map_0 > g_2# = cons_1 = f_1 = filter_1 = filter2_3 = g_1 = if_1 = map_1 = |0|_0 = |1|_0 > filter2_0 = filter2_2 = true_0 = false_0 > s_1 = filter2_1 > s_0 = if_3 > c_1 = if_2 > c_0 partial status: pi(g_2#) = [1] pi(c_1) = [1] pi(s_1) = [] pi(app) = [] pi(c_0) = [] pi(cons_0) = [] pi(cons_1) = [] pi(f_0) = [] pi(f_1) = [] pi(filter_0) = [] pi(filter_1) = [] pi(filter2_0) = [] pi(filter2_1) = [] pi(filter2_2) = [] pi(filter2_3) = [] pi(g_0) = [] pi(g_1) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [] pi(map_0) = [] pi(map_1) = [] pi(s_0) = [] pi(|0|_0) = [] pi(true_0) = [] pi(|1|_0) = [] pi(false_0) = [] pi(if_3) = [] pi(filter_2) = [] pi(nil_0) = [] The following rules are removed: p1 -- SCC decomposition. Consider the dependency pair problem (P, R), where P consists of p1: g_2#(x,c_1(y)) -> g_2#(x,y) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The estimated dependency graph contains the following SCCs: {p1} -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: g_2#(x,c_1(y)) -> g_2#(x,y) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r3, r5, r7, r11, r13, r14, r16, r17, r19, r20, r21, r26, r27, r28, r30 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: g_2#_A(x1,x2) = x1 + x2 c_1_A(x1) = x1 + 2 app_A(x1,x2) = 5 cons_1_A(x1) = x1 + 6 cons_2_A(x1,x2) = 1 filter_0_A() = 5 filter_1_A(x1) = 4 filter2_0_A() = 1 filter2_1_A(x1) = 2 g_0_A() = 2 g_1_A(x1) = 1 if_0_A() = 3 if_1_A(x1) = 2 if_2_A(x1,x2) = 1 map_0_A() = 4 map_1_A(x1) = 3 map_2_A(x1,x2) = 2 f_1_A(x1) = x1 + 4 |0|_0_A() = 8 true_0_A() = 7 |1|_0_A() = 8 false_0_A() = 7 s_1_A(x1) = x1 + 3 nil_0_A() = 1 filter_2_A(x1,x2) = 6 filter2_4_A(x1,x2,x3,x4) = x3 + 2 base order 2: precedence: f_1 = |0|_0 > true_0 > g_2# = |1|_0 = s_1 > c_1 = false_0 > filter_2 > filter2_4 > app = filter_0 = filter2_0 = g_0 = if_0 = map_0 > cons_1 = cons_2 = filter_1 = filter2_1 = g_1 = if_1 = map_1 > if_2 = map_2 = nil_0 partial status: pi(g_2#) = [1] pi(c_1) = [1] pi(app) = [] pi(cons_1) = [1] pi(cons_2) = [] pi(filter_0) = [] pi(filter_1) = [] pi(filter2_0) = [] pi(filter2_1) = [] pi(g_0) = [] pi(g_1) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [] pi(map_0) = [] pi(map_1) = [] pi(map_2) = [] pi(f_1) = [] pi(|0|_0) = [] pi(true_0) = [] pi(|1|_0) = [] pi(false_0) = [] pi(s_1) = [] pi(nil_0) = [] pi(filter_2) = [] pi(filter2_4) = [3] The following rules are removed: p1 Then no dependency pair remains. -- Reduction pair. Consider the dependency pair problem (P, R), where P consists of p1: f_1#(s_1(x)) -> f_1#(x) and R consists of: r1: app(c_0(),y) -> c_1(y) r2: app(cons_0(),y) -> cons_1(y) r3: app(cons_1(x1),y) -> cons_2(x1,y) r4: app(f_0(),y) -> f_1(y) r5: app(filter_0(),y) -> filter_1(y) r6: app(filter_1(x1),y) -> filter_2(x1,y) r7: app(filter2_0(),y) -> filter2_1(y) r8: app(filter2_1(x1),y) -> filter2_2(x1,y) r9: app(filter2_2(x1,x2),y) -> filter2_3(x1,x2,y) r10: app(filter2_3(x1,x2,x3),y) -> filter2_4(x1,x2,x3,y) r11: app(g_0(),y) -> g_1(y) r12: app(g_1(x1),y) -> g_2(x1,y) r13: app(if_0(),y) -> if_1(y) r14: app(if_1(x1),y) -> if_2(x1,y) r15: app(if_2(x1,x2),y) -> if_3(x1,x2,y) r16: app(map_0(),y) -> map_1(y) r17: app(map_1(x1),y) -> map_2(x1,y) r18: app(s_0(),y) -> s_1(y) r19: f_1(|0|_0()) -> true_0() r20: f_1(|1|_0()) -> false_0() r21: f_1(s_1(x)) -> f_1(x) r22: if_3(true_0(),s_1(x),s_1(y)) -> s_1(x) r23: if_3(false_0(),s_1(x),s_1(y)) -> s_1(y) r24: g_2(x,c_1(y)) -> c_1(g_2(x,y)) r25: g_2(x,c_1(y)) -> g_2(x,if_3(f_1(x),c_1(g_2(s_1(x),y)),c_1(y))) r26: map_2(|fun|,nil_0()) -> nil_0() r27: map_2(|fun|,cons_2(x,xs)) -> cons_2(app(|fun|,x),map_2(|fun|,xs)) r28: filter_2(|fun|,nil_0()) -> nil_0() r29: filter_2(|fun|,cons_2(x,xs)) -> filter2_4(app(|fun|,x),|fun|,x,xs) r30: filter2_4(true_0(),|fun|,x,xs) -> cons_2(x,filter_2(|fun|,xs)) r31: filter2_4(false_0(),|fun|,x,xs) -> filter_2(|fun|,xs) The set of usable rules consists of r1, r2, r5, r7, r8, r9, r11, r13, r14, r16, r18, r19, r20, r21, r28 Take the reduction pair: generalized weighted path order (>=MG, >MG) base order 1: matrix interpretation with standard point-wise order: carrier: N^1 order: standard order interpretations: f_1#_A(x1) = x1 s_1_A(x1) = x1 + 2 app_A(x1,x2) = x2 + 6 c_0_A() = 2 c_1_A(x1) = 1 cons_0_A() = 2 cons_1_A(x1) = 1 filter_0_A() = 2 filter_1_A(x1) = 1 filter2_0_A() = 3 filter2_1_A(x1) = 2 filter2_2_A(x1,x2) = 1 filter2_3_A(x1,x2,x3) = 2 g_0_A() = 2 g_1_A(x1) = 1 if_0_A() = 6 if_1_A(x1) = 5 if_2_A(x1,x2) = 4 map_0_A() = 2 map_1_A(x1) = 1 s_0_A() = 1 f_1_A(x1) = 7 |0|_0_A() = 4 true_0_A() = 3 |1|_0_A() = 2 false_0_A() = 1 filter_2_A(x1,x2) = x1 + x2 + 7 nil_0_A() = 1 base order 2: precedence: filter_0 = g_0 = if_0 = |0|_0 > app = cons_0 = filter2_0 = map_0 > cons_1 = filter2_1 = g_1 = if_1 = map_1 = f_1 = filter_2 > s_1 = filter_1 = if_2 = nil_0 > f_1# = filter2_3 = s_0 = true_0 = false_0 > c_1 = filter2_2 = |1|_0 > c_0 partial status: pi(f_1#) = [] pi(s_1) = [1] pi(app) = [] pi(c_0) = [] pi(c_1) = [] pi(cons_0) = [] pi(cons_1) = [] pi(filter_0) = [] pi(filter_1) = [] pi(filter2_0) = [] pi(filter2_1) = [] pi(filter2_2) = [] pi(filter2_3) = [] pi(g_0) = [] pi(g_1) = [] pi(if_0) = [] pi(if_1) = [] pi(if_2) = [] pi(map_0) = [] pi(map_1) = [] pi(s_0) = [] pi(f_1) = [] pi(|0|_0) = [] pi(true_0) = [] pi(|1|_0) = [] pi(false_0) = [] pi(filter_2) = [2] pi(nil_0) = [] The following rules are removed: p1 Then no dependency pair remains.