14.96/4.86 YES 14.96/4.86 14.96/4.86 Proof: 14.96/4.86 This system is confluent. 14.96/4.86 By \cite{ALS94}, Theorem 4.1. 14.96/4.86 This system is of type 3 or smaller. 14.96/4.86 This system is strongly deterministic. 14.96/4.86 This system is quasi-decreasing. 14.96/4.86 By \cite{O02}, p. 214, Proposition 7.2.50. 14.96/4.86 This system is of type 3 or smaller. 14.96/4.86 This system is deterministic. 14.96/4.86 System R transformed to optimized U(R). 14.96/4.86 This system is terminating. 14.96/4.86 Call external tool: 14.96/4.86 ./ttt2.sh 14.96/4.86 Input: 14.96/4.86 (VAR x l y) 14.96/4.86 (RULES 14.96/4.86 le(0, s(x)) -> true 14.96/4.86 min(cons(x, l)) -> ?1(le(x, min(l)), x, l) 14.96/4.86 ?1(false, x, l) -> min(l) 14.96/4.86 le(s(x), s(y)) -> le(x, y) 14.96/4.86 le(x, 0) -> false 14.96/4.86 min(cons(x, l)) -> ?2(min(l), x, l) 14.96/4.86 ?2(x, x, l) -> min(l) 14.96/4.86 min(cons(x, l)) -> ?1(le(x, min(l)), x, l) 14.96/4.86 ?1(true, x, l) -> x 14.96/4.86 min(cons(x, nil)) -> x 14.96/4.86 ) 14.96/4.86 14.96/4.86 Matrix Interpretation Processor: dim=1 14.96/4.86 14.96/4.86 interpretation: 14.96/4.86 [nil] = 0, 14.96/4.86 14.96/4.86 [?2](x0, x1, x2) = x0 + 2x1 + 4x2 + 3, 14.96/4.86 14.96/4.86 [false] = 0, 14.96/4.86 14.96/4.86 [?1](x0, x1, x2) = 3x0 + 4x1 + 4x2 + 1, 14.96/4.86 14.96/4.86 [min](x0) = 4x0 + 1, 14.96/4.86 14.96/4.86 [cons](x0, x1) = 4x0 + 7x1 + 4, 14.96/4.86 14.96/4.86 [true] = 2, 14.96/4.86 14.96/4.86 [le](x0, x1) = x0 + 2x1 + 1, 14.96/4.86 14.96/4.86 [s](x0) = 2x0, 14.96/4.86 14.96/4.86 [0] = 2 14.96/4.86 orientation: 14.96/4.86 le(0(),s(x)) = 4x + 3 >= 2 = true() 14.96/4.86 14.96/4.86 min(cons(x,l)) = 28l + 16x + 17 >= 28l + 7x + 10 = ?1(le(x,min(l)),x,l) 14.96/4.86 14.96/4.86 ?1(false(),x,l) = 4l + 4x + 1 >= 4l + 1 = min(l) 14.96/4.86 14.96/4.86 le(s(x),s(y)) = 2x + 4y + 1 >= x + 2y + 1 = le(x,y) 14.96/4.86 14.96/4.86 le(x,0()) = x + 5 >= 0 = false() 14.96/4.86 14.96/4.86 min(cons(x,l)) = 28l + 16x + 17 >= 8l + 2x + 4 = ?2(min(l),x,l) 15.35/4.89 15.35/4.89 ?2(x,x,l) = 4l + 3x + 3 >= 4l + 1 = min(l) 15.35/4.89 15.35/4.89 ?1(true(),x,l) = 4l + 4x + 7 >= x = x 15.35/4.89 15.35/4.89 min(cons(x,nil())) = 16x + 17 >= x = x 15.35/4.89 problem: 15.35/4.89 ?1(false(),x,l) -> min(l) 15.35/4.89 le(s(x),s(y)) -> le(x,y) 15.35/4.89 Matrix Interpretation Processor: dim=3 15.35/4.89 15.35/4.89 interpretation: 15.35/4.89 [0] 15.35/4.89 [false] = [0] 15.35/4.89 [0], 15.35/4.89 15.35/4.89 [1 0 0] [1 0 0] [1 0 0] 15.35/4.89 [?1](x0, x1, x2) = [0 0 0]x0 + [0 0 0]x1 + [0 0 0]x2 15.35/4.89 [0 0 0] [0 0 0] [0 0 0] , 15.35/4.89 15.35/4.89 [1 0 0] 15.35/4.89 [min](x0) = [0 0 0]x0 15.35/4.89 [0 0 0] , 15.35/4.89 15.35/4.89 [1 1 1] [1 0 0] 15.35/4.89 [le](x0, x1) = [0 0 0]x0 + [0 0 0]x1 15.35/4.89 [0 0 0] [0 0 0] , 15.35/4.89 15.35/4.89 [1 0 0] [0] 15.35/4.89 [s](x0) = [0 0 0]x0 + [1] 15.43/4.94 [0 1 1] [0] 15.43/4.94 orientation: 15.43/4.94 [1 0 0] [1 0 0] [1 0 0] 15.43/4.94 ?1(false(),x,l) = [0 0 0]l + [0 0 0]x >= [0 0 0]l = min(l) 15.43/4.94 [0 0 0] [0 0 0] [0 0 0] 15.43/4.94 15.43/4.94 [1 1 1] [1 0 0] [1] [1 1 1] [1 0 0] 15.43/4.94 le(s(x),s(y)) = [0 0 0]x + [0 0 0]y + [0] >= [0 0 0]x + [0 0 0]y = le(x,y) 15.43/4.94 [0 0 0] [0 0 0] [0] [0 0 0] [0 0 0] 15.43/4.94 problem: 15.43/4.94 ?1(false(),x,l) -> min(l) 15.43/4.94 Matrix Interpretation Processor: dim=3 15.43/4.94 15.43/4.94 interpretation: 15.43/4.94 [0] 15.43/4.94 [false] = [1] 15.43/4.94 [0], 15.43/4.94 15.43/4.94 [1 0 0] [1 0 0] [1 0 0] [1] 15.43/4.94 [?1](x0, x1, x2) = [0 0 0]x0 + [0 0 0]x1 + [0 0 0]x2 + [0] 15.43/4.94 [0 1 0] [0 0 0] [0 0 0] [0], 15.43/4.94 15.43/4.94 [1 0 0] [0] 15.43/4.94 [min](x0) = [0 0 0]x0 + [0] 15.43/4.94 [0 0 0] [1] 15.43/4.94 orientation: 15.43/4.94 [1 0 0] [1 0 0] [1] [1 0 0] [0] 15.43/4.94 ?1(false(),x,l) = [0 0 0]l + [0 0 0]x + [0] >= [0 0 0]l + [0] = min(l) 15.43/4.94 [0 0 0] [0 0 0] [1] [0 0 0] [1] 15.43/4.94 problem: 15.43/4.94 15.43/4.94 Qed 15.43/4.94 All 12 critical pairs are joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= le(z, min(y)) = false, rule2: min(cons(y', x')) -> min(x') <= min(x') = y', pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: min(x') = min(x') <= le(y', min(x')) = false, min(x') = y' 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= min(y) = z, rule2: min(cons(x', nil)) -> x', pos: ε, mgu: {(z,x'), (y,nil)}) 15.43/4.94 CP: x' = min(nil) <= min(nil) = x' 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(y, nil)) -> y, rule2: min(cons(x', z)) -> min(z) <= min(z) = x', pos: ε, mgu: {(y,x'), (z,nil)}) 15.43/4.94 CP: min(nil) = x' <= min(nil) = x' 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> z <= le(z, min(y)) = true, rule2: min(cons(y', x')) -> min(x') <= min(x') = y', pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: min(x') = y' <= le(y', min(x')) = true, min(x') = y' 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(y, nil)) -> y, rule2: min(cons(x', z)) -> min(z) <= le(x', min(z)) = false, pos: ε, mgu: {(y,x'), (z,nil)}) 15.43/4.94 CP: min(nil) = x' <= le(x', min(nil)) = false 15.43/4.94 This critical pair is infeasible. 15.43/4.94 This critical pair is conditional. 15.43/4.94 This critical pair has some non-trivial conditions. 15.43/4.94 'tcap_{R_u}(le(x', min(nil)))' and 'false' are not unifiable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> z <= le(z, min(y)) = true, rule2: min(cons(y', x')) -> min(x') <= le(y', min(x')) = false, pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: min(x') = y' <= le(y', min(x')) = true, le(y', min(x')) = false 15.43/4.94 This critical pair is unfeasible. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> z <= le(z, min(y)) = true, rule2: min(cons(x', nil)) -> x', pos: ε, mgu: {(z,x'), (y,nil)}) 15.43/4.94 CP: x' = x' <= le(x', min(nil)) = true 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(y, nil)) -> y, rule2: min(cons(x', z)) -> x' <= le(x', min(z)) = true, pos: ε, mgu: {(y,x'), (z,nil)}) 15.43/4.94 CP: x' = x' <= le(x', min(nil)) = true 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= le(z, min(y)) = false, rule2: min(cons(y', x')) -> y' <= le(y', min(x')) = true, pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: y' = min(x') <= le(y', min(x')) = false, le(y', min(x')) = true 15.43/4.94 This critical pair is unfeasible. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= min(y) = z, rule2: min(cons(y', x')) -> y' <= le(y', min(x')) = true, pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: y' = min(x') <= min(x') = y', le(y', min(x')) = true 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= min(y) = z, rule2: min(cons(y', x')) -> min(x') <= le(y', min(x')) = false, pos: ε, mgu: {(z,y'), (y,x')}) 15.43/4.94 CP: min(x') = min(x') <= min(x') = y', le(y', min(x')) = false 15.43/4.94 This critical pair is context-joinable. 15.43/4.94 Overlap: (rule1: min(cons(z, y)) -> min(y) <= le(z, min(y)) = false, rule2: min(cons(x', nil)) -> x', pos: ε, mgu: {(z,x'), (y,nil)}) 15.43/4.94 CP: x' = min(nil) <= le(x', min(nil)) = false 15.43/4.94 This critical pair is infeasible. 15.43/4.94 This critical pair is conditional. 15.43/4.94 This critical pair has some non-trivial conditions. 15.43/4.94 '\Sigma(le(x', min(nil))) \cap (->^*_R)[\Sigma(REN(false))]' is empty by ETAC. 15.43/4.94 15.43/4.95 EOF