3.93/1.77 YES 3.93/1.79 proof of /export/starexec/sandbox/benchmark/theBenchmark.pl 3.93/1.79 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 3.93/1.79 3.93/1.79 3.93/1.79 Left Termination of the query pattern 3.93/1.79 3.93/1.79 app3_a(g,g,g,a) 3.93/1.79 3.93/1.79 w.r.t. the given Prolog program could successfully be proven: 3.93/1.79 3.93/1.79 (0) Prolog 3.93/1.79 (1) PrologToPiTRSProof [SOUND, 0 ms] 3.93/1.79 (2) PiTRS 3.93/1.79 (3) DependencyPairsProof [EQUIVALENT, 0 ms] 3.93/1.79 (4) PiDP 3.93/1.79 (5) DependencyGraphProof [EQUIVALENT, 0 ms] 3.93/1.79 (6) PiDP 3.93/1.79 (7) UsableRulesProof [EQUIVALENT, 0 ms] 3.93/1.79 (8) PiDP 3.93/1.79 (9) PiDPToQDPProof [SOUND, 0 ms] 3.93/1.79 (10) QDP 3.93/1.79 (11) QDPSizeChangeProof [EQUIVALENT, 0 ms] 3.93/1.79 (12) YES 3.93/1.79 3.93/1.79 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (0) 3.93/1.79 Obligation: 3.93/1.79 Clauses: 3.93/1.79 3.93/1.79 app3_a(Xs, Ys, Zs, Us) :- ','(app(Xs, Ys, Vs), app(Vs, Zs, Us)). 3.93/1.79 app3_b(Xs, Ys, Zs, Us) :- ','(app(Ys, Zs, Vs), app(Xs, Vs, Us)). 3.93/1.79 app([], Ys, Ys). 3.93/1.79 app(.(X, Xs), Ys, .(X, Zs)) :- app(Xs, Ys, Zs). 3.93/1.79 3.93/1.79 3.93/1.79 Query: app3_a(g,g,g,a) 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (1) PrologToPiTRSProof (SOUND) 3.93/1.79 We use the technique of [TOCL09]. With regard to the inferred argument filtering the predicates were used in the following modes: 3.93/1.79 3.93/1.79 app3_a_in_4: (b,b,b,f) 3.93/1.79 3.93/1.79 app_in_3: (b,b,f) 3.93/1.79 3.93/1.79 Transforming Prolog into the following Term Rewriting System: 3.93/1.79 3.93/1.79 Pi-finite rewrite system: 3.93/1.79 The TRS R consists of the following rules: 3.93/1.79 3.93/1.79 app3_a_in_ggga(Xs, Ys, Zs, Us) -> U1_ggga(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 app_in_gga([], Ys, Ys) -> app_out_gga([], Ys, Ys) 3.93/1.79 app_in_gga(.(X, Xs), Ys, .(X, Zs)) -> U5_gga(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 U5_gga(X, Xs, Ys, Zs, app_out_gga(Xs, Ys, Zs)) -> app_out_gga(.(X, Xs), Ys, .(X, Zs)) 3.93/1.79 U1_ggga(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_ggga(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U2_ggga(Xs, Ys, Zs, Us, app_out_gga(Vs, Zs, Us)) -> app3_a_out_ggga(Xs, Ys, Zs, Us) 3.93/1.79 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 app3_a_in_ggga(x1, x2, x3, x4) = app3_a_in_ggga(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_ggga(x1, x2, x3, x4, x5) = U1_ggga(x3, x5) 3.93/1.79 3.93/1.79 app_in_gga(x1, x2, x3) = app_in_gga(x1, x2) 3.93/1.79 3.93/1.79 [] = [] 3.93/1.79 3.93/1.79 app_out_gga(x1, x2, x3) = app_out_gga(x3) 3.93/1.79 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 U5_gga(x1, x2, x3, x4, x5) = U5_gga(x1, x5) 3.93/1.79 3.93/1.79 U2_ggga(x1, x2, x3, x4, x5) = U2_ggga(x5) 3.93/1.79 3.93/1.79 app3_a_out_ggga(x1, x2, x3, x4) = app3_a_out_ggga(x4) 3.93/1.79 3.93/1.79 3.93/1.79 3.93/1.79 3.93/1.79 3.93/1.79 Infinitary Constructor Rewriting Termination of PiTRS implies Termination of Prolog 3.93/1.79 3.93/1.79 3.93/1.79 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (2) 3.93/1.79 Obligation: 3.93/1.79 Pi-finite rewrite system: 3.93/1.79 The TRS R consists of the following rules: 3.93/1.79 3.93/1.79 app3_a_in_ggga(Xs, Ys, Zs, Us) -> U1_ggga(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 app_in_gga([], Ys, Ys) -> app_out_gga([], Ys, Ys) 3.93/1.79 app_in_gga(.(X, Xs), Ys, .(X, Zs)) -> U5_gga(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 U5_gga(X, Xs, Ys, Zs, app_out_gga(Xs, Ys, Zs)) -> app_out_gga(.(X, Xs), Ys, .(X, Zs)) 3.93/1.79 U1_ggga(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_ggga(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U2_ggga(Xs, Ys, Zs, Us, app_out_gga(Vs, Zs, Us)) -> app3_a_out_ggga(Xs, Ys, Zs, Us) 3.93/1.79 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 app3_a_in_ggga(x1, x2, x3, x4) = app3_a_in_ggga(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_ggga(x1, x2, x3, x4, x5) = U1_ggga(x3, x5) 3.93/1.79 3.93/1.79 app_in_gga(x1, x2, x3) = app_in_gga(x1, x2) 3.93/1.79 3.93/1.79 [] = [] 3.93/1.79 3.93/1.79 app_out_gga(x1, x2, x3) = app_out_gga(x3) 3.93/1.79 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 U5_gga(x1, x2, x3, x4, x5) = U5_gga(x1, x5) 3.93/1.79 3.93/1.79 U2_ggga(x1, x2, x3, x4, x5) = U2_ggga(x5) 3.93/1.79 3.93/1.79 app3_a_out_ggga(x1, x2, x3, x4) = app3_a_out_ggga(x4) 3.93/1.79 3.93/1.79 3.93/1.79 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (3) DependencyPairsProof (EQUIVALENT) 3.93/1.79 Using Dependency Pairs [AG00,LOPSTR] we result in the following initial DP problem: 3.93/1.79 Pi DP problem: 3.93/1.79 The TRS P consists of the following rules: 3.93/1.79 3.93/1.79 APP3_A_IN_GGGA(Xs, Ys, Zs, Us) -> U1_GGGA(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 APP3_A_IN_GGGA(Xs, Ys, Zs, Us) -> APP_IN_GGA(Xs, Ys, Vs) 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> U5_GGA(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> APP_IN_GGA(Xs, Ys, Zs) 3.93/1.79 U1_GGGA(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_GGGA(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U1_GGGA(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> APP_IN_GGA(Vs, Zs, Us) 3.93/1.79 3.93/1.79 The TRS R consists of the following rules: 3.93/1.79 3.93/1.79 app3_a_in_ggga(Xs, Ys, Zs, Us) -> U1_ggga(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 app_in_gga([], Ys, Ys) -> app_out_gga([], Ys, Ys) 3.93/1.79 app_in_gga(.(X, Xs), Ys, .(X, Zs)) -> U5_gga(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 U5_gga(X, Xs, Ys, Zs, app_out_gga(Xs, Ys, Zs)) -> app_out_gga(.(X, Xs), Ys, .(X, Zs)) 3.93/1.79 U1_ggga(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_ggga(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U2_ggga(Xs, Ys, Zs, Us, app_out_gga(Vs, Zs, Us)) -> app3_a_out_ggga(Xs, Ys, Zs, Us) 3.93/1.79 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 app3_a_in_ggga(x1, x2, x3, x4) = app3_a_in_ggga(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_ggga(x1, x2, x3, x4, x5) = U1_ggga(x3, x5) 3.93/1.79 3.93/1.79 app_in_gga(x1, x2, x3) = app_in_gga(x1, x2) 3.93/1.79 3.93/1.79 [] = [] 3.93/1.79 3.93/1.79 app_out_gga(x1, x2, x3) = app_out_gga(x3) 3.93/1.79 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 U5_gga(x1, x2, x3, x4, x5) = U5_gga(x1, x5) 3.93/1.79 3.93/1.79 U2_ggga(x1, x2, x3, x4, x5) = U2_ggga(x5) 3.93/1.79 3.93/1.79 app3_a_out_ggga(x1, x2, x3, x4) = app3_a_out_ggga(x4) 3.93/1.79 3.93/1.79 APP3_A_IN_GGGA(x1, x2, x3, x4) = APP3_A_IN_GGGA(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_GGGA(x1, x2, x3, x4, x5) = U1_GGGA(x3, x5) 3.93/1.79 3.93/1.79 APP_IN_GGA(x1, x2, x3) = APP_IN_GGA(x1, x2) 3.93/1.79 3.93/1.79 U5_GGA(x1, x2, x3, x4, x5) = U5_GGA(x1, x5) 3.93/1.79 3.93/1.79 U2_GGGA(x1, x2, x3, x4, x5) = U2_GGGA(x5) 3.93/1.79 3.93/1.79 3.93/1.79 We have to consider all (P,R,Pi)-chains 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (4) 3.93/1.79 Obligation: 3.93/1.79 Pi DP problem: 3.93/1.79 The TRS P consists of the following rules: 3.93/1.79 3.93/1.79 APP3_A_IN_GGGA(Xs, Ys, Zs, Us) -> U1_GGGA(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 APP3_A_IN_GGGA(Xs, Ys, Zs, Us) -> APP_IN_GGA(Xs, Ys, Vs) 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> U5_GGA(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> APP_IN_GGA(Xs, Ys, Zs) 3.93/1.79 U1_GGGA(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_GGGA(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U1_GGGA(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> APP_IN_GGA(Vs, Zs, Us) 3.93/1.79 3.93/1.79 The TRS R consists of the following rules: 3.93/1.79 3.93/1.79 app3_a_in_ggga(Xs, Ys, Zs, Us) -> U1_ggga(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 app_in_gga([], Ys, Ys) -> app_out_gga([], Ys, Ys) 3.93/1.79 app_in_gga(.(X, Xs), Ys, .(X, Zs)) -> U5_gga(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 U5_gga(X, Xs, Ys, Zs, app_out_gga(Xs, Ys, Zs)) -> app_out_gga(.(X, Xs), Ys, .(X, Zs)) 3.93/1.79 U1_ggga(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_ggga(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U2_ggga(Xs, Ys, Zs, Us, app_out_gga(Vs, Zs, Us)) -> app3_a_out_ggga(Xs, Ys, Zs, Us) 3.93/1.79 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 app3_a_in_ggga(x1, x2, x3, x4) = app3_a_in_ggga(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_ggga(x1, x2, x3, x4, x5) = U1_ggga(x3, x5) 3.93/1.79 3.93/1.79 app_in_gga(x1, x2, x3) = app_in_gga(x1, x2) 3.93/1.79 3.93/1.79 [] = [] 3.93/1.79 3.93/1.79 app_out_gga(x1, x2, x3) = app_out_gga(x3) 3.93/1.79 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 U5_gga(x1, x2, x3, x4, x5) = U5_gga(x1, x5) 3.93/1.79 3.93/1.79 U2_ggga(x1, x2, x3, x4, x5) = U2_ggga(x5) 3.93/1.79 3.93/1.79 app3_a_out_ggga(x1, x2, x3, x4) = app3_a_out_ggga(x4) 3.93/1.79 3.93/1.79 APP3_A_IN_GGGA(x1, x2, x3, x4) = APP3_A_IN_GGGA(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_GGGA(x1, x2, x3, x4, x5) = U1_GGGA(x3, x5) 3.93/1.79 3.93/1.79 APP_IN_GGA(x1, x2, x3) = APP_IN_GGA(x1, x2) 3.93/1.79 3.93/1.79 U5_GGA(x1, x2, x3, x4, x5) = U5_GGA(x1, x5) 3.93/1.79 3.93/1.79 U2_GGGA(x1, x2, x3, x4, x5) = U2_GGGA(x5) 3.93/1.79 3.93/1.79 3.93/1.79 We have to consider all (P,R,Pi)-chains 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (5) DependencyGraphProof (EQUIVALENT) 3.93/1.79 The approximation of the Dependency Graph [LOPSTR] contains 1 SCC with 5 less nodes. 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (6) 3.93/1.79 Obligation: 3.93/1.79 Pi DP problem: 3.93/1.79 The TRS P consists of the following rules: 3.93/1.79 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> APP_IN_GGA(Xs, Ys, Zs) 3.93/1.79 3.93/1.79 The TRS R consists of the following rules: 3.93/1.79 3.93/1.79 app3_a_in_ggga(Xs, Ys, Zs, Us) -> U1_ggga(Xs, Ys, Zs, Us, app_in_gga(Xs, Ys, Vs)) 3.93/1.79 app_in_gga([], Ys, Ys) -> app_out_gga([], Ys, Ys) 3.93/1.79 app_in_gga(.(X, Xs), Ys, .(X, Zs)) -> U5_gga(X, Xs, Ys, Zs, app_in_gga(Xs, Ys, Zs)) 3.93/1.79 U5_gga(X, Xs, Ys, Zs, app_out_gga(Xs, Ys, Zs)) -> app_out_gga(.(X, Xs), Ys, .(X, Zs)) 3.93/1.79 U1_ggga(Xs, Ys, Zs, Us, app_out_gga(Xs, Ys, Vs)) -> U2_ggga(Xs, Ys, Zs, Us, app_in_gga(Vs, Zs, Us)) 3.93/1.79 U2_ggga(Xs, Ys, Zs, Us, app_out_gga(Vs, Zs, Us)) -> app3_a_out_ggga(Xs, Ys, Zs, Us) 3.93/1.79 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 app3_a_in_ggga(x1, x2, x3, x4) = app3_a_in_ggga(x1, x2, x3) 3.93/1.79 3.93/1.79 U1_ggga(x1, x2, x3, x4, x5) = U1_ggga(x3, x5) 3.93/1.79 3.93/1.79 app_in_gga(x1, x2, x3) = app_in_gga(x1, x2) 3.93/1.79 3.93/1.79 [] = [] 3.93/1.79 3.93/1.79 app_out_gga(x1, x2, x3) = app_out_gga(x3) 3.93/1.79 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 U5_gga(x1, x2, x3, x4, x5) = U5_gga(x1, x5) 3.93/1.79 3.93/1.79 U2_ggga(x1, x2, x3, x4, x5) = U2_ggga(x5) 3.93/1.79 3.93/1.79 app3_a_out_ggga(x1, x2, x3, x4) = app3_a_out_ggga(x4) 3.93/1.79 3.93/1.79 APP_IN_GGA(x1, x2, x3) = APP_IN_GGA(x1, x2) 3.93/1.79 3.93/1.79 3.93/1.79 We have to consider all (P,R,Pi)-chains 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (7) UsableRulesProof (EQUIVALENT) 3.93/1.79 For (infinitary) constructor rewriting [LOPSTR] we can delete all non-usable rules from R. 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (8) 3.93/1.79 Obligation: 3.93/1.79 Pi DP problem: 3.93/1.79 The TRS P consists of the following rules: 3.93/1.79 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys, .(X, Zs)) -> APP_IN_GGA(Xs, Ys, Zs) 3.93/1.79 3.93/1.79 R is empty. 3.93/1.79 The argument filtering Pi contains the following mapping: 3.93/1.79 .(x1, x2) = .(x1, x2) 3.93/1.79 3.93/1.79 APP_IN_GGA(x1, x2, x3) = APP_IN_GGA(x1, x2) 3.93/1.79 3.93/1.79 3.93/1.79 We have to consider all (P,R,Pi)-chains 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (9) PiDPToQDPProof (SOUND) 3.93/1.79 Transforming (infinitary) constructor rewriting Pi-DP problem [LOPSTR] into ordinary QDP problem [LPAR04] by application of Pi. 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (10) 3.93/1.79 Obligation: 3.93/1.79 Q DP problem: 3.93/1.79 The TRS P consists of the following rules: 3.93/1.79 3.93/1.79 APP_IN_GGA(.(X, Xs), Ys) -> APP_IN_GGA(Xs, Ys) 3.93/1.79 3.93/1.79 R is empty. 3.93/1.79 Q is empty. 3.93/1.79 We have to consider all (P,Q,R)-chains. 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (11) QDPSizeChangeProof (EQUIVALENT) 3.93/1.79 By using the subterm criterion [SUBTERM_CRITERION] together with the size-change analysis [AAECC05] we have proven that there are no infinite chains for this DP problem. 3.93/1.79 3.93/1.79 From the DPs we obtained the following set of size-change graphs: 3.93/1.79 *APP_IN_GGA(.(X, Xs), Ys) -> APP_IN_GGA(Xs, Ys) 3.93/1.79 The graph contains the following edges 1 > 1, 2 >= 2 3.93/1.79 3.93/1.79 3.93/1.79 ---------------------------------------- 3.93/1.79 3.93/1.79 (12) 3.93/1.79 YES 3.93/1.82 EOF