TSTP Solution File: PUZ003-1 by Moca---0.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Moca---0.1
% Problem  : PUZ003-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : moca.sh %s

% Computer : n026.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 600s
% DateTime : Mon Jul 18 18:21:05 EDT 2022

% Result   : Unsatisfiable 5.66s 5.64s
% Output   : Proof 5.66s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ003-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : moca.sh %s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun May 29 00:26:09 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 5.66/5.64  % SZS status Unsatisfiable
% 5.66/5.64  % SZS output start Proof
% 5.66/5.64  The input problem is unsatisfiable because
% 5.66/5.64  
% 5.66/5.64  [1] the following set of Horn clauses is unsatisfiable:
% 5.66/5.64  
% 5.66/5.64  	member(X) & member(Y) & shaved(X, Y) ==> shaved(members, X)
% 5.66/5.64  	shaved(members, X) & member(Y) ==> shaved(Y, X)
% 5.66/5.64  	member(guido)
% 5.66/5.64  	member(lorenzo)
% 5.66/5.64  	member(petruchio)
% 5.66/5.64  	member(cesare)
% 5.66/5.64  	shaved(guido, cesare)
% 5.66/5.64  	shaved(petruchio, lorenzo) ==> \bottom
% 5.66/5.64  
% 5.66/5.64  This holds because
% 5.66/5.64  
% 5.66/5.64  [2] the following E entails the following G (Claessen-Smallbone's transformation (2018)):
% 5.66/5.64  
% 5.66/5.64  E:
% 5.66/5.64  	f1(true__, X) = shaved(members, X)
% 5.66/5.64  	f2(true__, X) = f1(member(X), X)
% 5.66/5.64  	f3(shaved(X, Y), Y, X) = true__
% 5.66/5.64  	f3(true__, Y, X) = f2(member(Y), X)
% 5.66/5.64  	f4(true__, Y, X) = shaved(Y, X)
% 5.66/5.64  	f5(member(Y), X, Y) = true__
% 5.66/5.64  	f5(true__, X, Y) = f4(shaved(members, X), Y, X)
% 5.66/5.64  	f6(shaved(petruchio, lorenzo)) = true__
% 5.66/5.64  	f6(true__) = false__
% 5.66/5.64  	member(cesare) = true__
% 5.66/5.64  	member(guido) = true__
% 5.66/5.64  	member(lorenzo) = true__
% 5.66/5.64  	member(petruchio) = true__
% 5.66/5.64  	shaved(guido, cesare) = true__
% 5.66/5.64  G:
% 5.66/5.64  	true__ = false__
% 5.66/5.64  
% 5.66/5.64  This holds because
% 5.66/5.64  
% 5.66/5.64  [3] E entails the following ordered TRS and the lhs and rhs of G join by the TRS:
% 5.66/5.64  
% 5.66/5.64  
% 5.66/5.64  	f1(member(X), X) -> f3(true__, lorenzo, X)
% 5.66/5.64  	f1(true__, X) -> f4(true__, members, X)
% 5.66/5.64  	f2(member(Y), X) -> f3(true__, Y, X)
% 5.66/5.64  	f2(true__, Y1) -> f3(true__, lorenzo, Y1)
% 5.66/5.64  	f3(f3(true__, cesare, lorenzo), lorenzo, members) -> true__
% 5.66/5.64  	f3(f4(true__, Y0, Y1), Y1, Y0) -> true__
% 5.66/5.64  	f3(true__, cesare, Y1) -> f3(true__, lorenzo, Y1)
% 5.66/5.64  	f3(true__, cesare, cesare) -> true__
% 5.66/5.64  	f3(true__, cesare, guido) -> true__
% 5.66/5.64  	f3(true__, cesare, lorenzo) -> true__
% 5.66/5.64  	f3(true__, cesare, members) -> true__
% 5.66/5.64  	f3(true__, cesare, petruchio) -> true__
% 5.66/5.64  	f3(true__, guido, Y1) -> f3(true__, lorenzo, Y1)
% 5.66/5.64  	f3(true__, lorenzo, cesare) -> true__
% 5.66/5.64  	f3(true__, lorenzo, guido) -> true__
% 5.66/5.64  	f3(true__, lorenzo, lorenzo) -> true__
% 5.66/5.64  	f3(true__, lorenzo, members) -> true__
% 5.66/5.64  	f3(true__, lorenzo, petruchio) -> true__
% 5.66/5.64  	f3(true__, petruchio, Y1) -> f3(true__, lorenzo, Y1)
% 5.66/5.64  	f4(f3(true__, lorenzo, guido), guido, guido) -> true__
% 5.66/5.64  	f4(f3(true__, petruchio, guido), guido, guido) -> true__
% 5.66/5.64  	f4(f3(true__, petruchio, guido), lorenzo, guido) -> true__
% 5.66/5.64  	f4(f3(true__, petruchio, guido), petruchio, guido) -> true__
% 5.66/5.64  	f4(f3(true__, petruchio, lorenzo), guido, lorenzo) -> true__
% 5.66/5.64  	f4(f3(true__, petruchio, lorenzo), lorenzo, lorenzo) -> true__
% 5.66/5.64  	f4(f4(true__, members, Y1), cesare, Y1) -> true__
% 5.66/5.64  	f4(f4(true__, members, Y1), guido, Y1) -> true__
% 5.66/5.64  	f4(f4(true__, members, Y1), lorenzo, Y1) -> true__
% 5.66/5.64  	f4(f4(true__, members, Y1), petruchio, Y1) -> true__
% 5.66/5.64  	f4(true__, cesare, guido) -> true__
% 5.66/5.64  	f4(true__, cesare, lorenzo) -> true__
% 5.66/5.64  	f4(true__, guido, cesare) -> true__
% 5.66/5.64  	f4(true__, guido, guido) -> true__
% 5.66/5.64  	f4(true__, guido, lorenzo) -> true__
% 5.66/5.64  	f4(true__, guido, petruchio) -> true__
% 5.66/5.64  	f4(true__, lorenzo, guido) -> true__
% 5.66/5.64  	f4(true__, lorenzo, lorenzo) -> true__
% 5.66/5.64  	f4(true__, lorenzo, petruchio) -> true__
% 5.66/5.64  	f4(true__, members, cesare) -> f3(true__, lorenzo, cesare)
% 5.66/5.64  	f4(true__, members, guido) -> f3(true__, lorenzo, guido)
% 5.66/5.64  	f4(true__, members, lorenzo) -> f3(true__, lorenzo, lorenzo)
% 5.66/5.64  	f4(true__, members, petruchio) -> f3(true__, lorenzo, petruchio)
% 5.66/5.64  	f4(true__, petruchio, guido) -> true__
% 5.66/5.64  	f4(true__, petruchio, lorenzo) -> true__
% 5.66/5.64  	f4(true__, petruchio, petruchio) -> true__
% 5.66/5.64  	f5(member(Y), X, Y) -> true__
% 5.66/5.64  	f5(true__, X, Y) -> f4(f4(true__, members, X), Y, X)
% 5.66/5.64  	f6(f4(true__, petruchio, lorenzo)) -> true__
% 5.66/5.64  	f6(true__) -> false__
% 5.66/5.64  	false__ -> true__
% 5.66/5.64  	member(cesare) -> true__
% 5.66/5.64  	member(guido) -> true__
% 5.66/5.64  	member(lorenzo) -> true__
% 5.66/5.64  	member(petruchio) -> true__
% 5.66/5.64  	shaved(Y, X) -> f4(true__, Y, X)
% 5.66/5.64  with the LPO induced by
% 5.66/5.64  	f5 > f1 > member > members > f2 > f3 > shaved > f4 > cesare > petruchio > guido > lorenzo > f6 > false__ > true__
% 5.66/5.64  
% 5.66/5.64  % SZS output end Proof
% 5.66/5.64  
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