TSTP Solution File: COL058-1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : COL058-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n023.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 : Fri Jul 15 00:36:19 EDT 2022

% Result   : Unsatisfiable 0.12s 0.37s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   29 (  18 unt;   0 nHn;  21 RR)
%            Number of literals    :   44 (  43 equ;  23 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    3 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   1 con; 0-2 aty)
%            Number of variables   :   29 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(lark_exists,axiom,
    response(response(lark,X1),X2) = response(X1,response(X2,X2)) ).

cnf(prove_the_bird_exists,negated_conjecture,
    response(X,X) != X ).

cnf(refute_0_0,plain,
    response(response(X_2,X_2),response(X_2,X_2)) != response(X_2,X_2),
    inference(subst,[],[prove_the_bird_exists:[bind(X,$fot(response(X_2,X_2)))]]) ).

cnf(refute_0_1,plain,
    response(response(lark,response(X_2,X_2)),X_2) = response(response(X_2,X_2),response(X_2,X_2)),
    inference(subst,[],[lark_exists:[bind(X1,$fot(response(X_2,X_2))),bind(X2,$fot(X_2))]]) ).

cnf(refute_0_2,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_3,plain,
    ( X0 != X0
    | X0 != Y
    | Y = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y)]]) ).

cnf(refute_0_4,plain,
    ( X0 != Y
    | Y = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( response(response(lark,response(X_2,X_2)),X_2) != response(response(X_2,X_2),response(X_2,X_2))
    | response(response(X_2,X_2),response(X_2,X_2)) = response(response(lark,response(X_2,X_2)),X_2) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(response(response(lark,response(X_2,X_2)),X_2))),bind(Y,$fot(response(response(X_2,X_2),response(X_2,X_2))))]]) ).

cnf(refute_0_6,plain,
    response(response(X_2,X_2),response(X_2,X_2)) = response(response(lark,response(X_2,X_2)),X_2),
    inference(resolve,[$cnf( $equal(response(response(lark,response(X_2,X_2)),X_2),response(response(X_2,X_2),response(X_2,X_2))) )],[refute_0_1,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( response(response(X_2,X_2),response(X_2,X_2)) != response(response(lark,response(X_2,X_2)),X_2)
    | response(response(lark,response(X_2,X_2)),X_2) != response(X_2,X_2)
    | response(response(X_2,X_2),response(X_2,X_2)) = response(X_2,X_2) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(response(response(X_2,X_2),response(X_2,X_2)),response(X_2,X_2)) ),[0],$fot(response(response(lark,response(X_2,X_2)),X_2))]]) ).

cnf(refute_0_8,plain,
    ( response(response(lark,response(X_2,X_2)),X_2) != response(X_2,X_2)
    | response(response(X_2,X_2),response(X_2,X_2)) = response(X_2,X_2) ),
    inference(resolve,[$cnf( $equal(response(response(X_2,X_2),response(X_2,X_2)),response(response(lark,response(X_2,X_2)),X_2)) )],[refute_0_6,refute_0_7]) ).

cnf(refute_0_9,plain,
    response(response(lark,response(X_2,X_2)),X_2) != response(X_2,X_2),
    inference(resolve,[$cnf( $equal(response(response(X_2,X_2),response(X_2,X_2)),response(X_2,X_2)) )],[refute_0_8,refute_0_0]) ).

cnf(refute_0_10,plain,
    response(response(lark,response(X_3,X_3)),X_3) != response(X_3,X_3),
    inference(subst,[],[refute_0_9:[bind(X_2,$fot(X_3))]]) ).

cnf(refute_0_11,plain,
    response(response(lark,lark),X_3) = response(lark,response(X_3,X_3)),
    inference(subst,[],[lark_exists:[bind(X1,$fot(lark)),bind(X2,$fot(X_3))]]) ).

cnf(refute_0_12,plain,
    ( response(response(lark,lark),X_3) != response(lark,response(X_3,X_3))
    | response(lark,response(X_3,X_3)) = response(response(lark,lark),X_3) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(response(response(lark,lark),X_3))),bind(Y,$fot(response(lark,response(X_3,X_3))))]]) ).

cnf(refute_0_13,plain,
    response(lark,response(X_3,X_3)) = response(response(lark,lark),X_3),
    inference(resolve,[$cnf( $equal(response(response(lark,lark),X_3),response(lark,response(X_3,X_3))) )],[refute_0_11,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( response(lark,response(X_3,X_3)) != response(response(lark,lark),X_3)
    | response(response(response(lark,lark),X_3),X_3) != response(X_3,X_3)
    | response(response(lark,response(X_3,X_3)),X_3) = response(X_3,X_3) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(response(response(lark,response(X_3,X_3)),X_3),response(X_3,X_3)) ),[0,0],$fot(response(response(lark,lark),X_3))]]) ).

cnf(refute_0_15,plain,
    ( response(response(response(lark,lark),X_3),X_3) != response(X_3,X_3)
    | response(response(lark,response(X_3,X_3)),X_3) = response(X_3,X_3) ),
    inference(resolve,[$cnf( $equal(response(lark,response(X_3,X_3)),response(response(lark,lark),X_3)) )],[refute_0_13,refute_0_14]) ).

cnf(refute_0_16,plain,
    response(response(response(lark,lark),X_3),X_3) != response(X_3,X_3),
    inference(resolve,[$cnf( $equal(response(response(lark,response(X_3,X_3)),X_3),response(X_3,X_3)) )],[refute_0_15,refute_0_10]) ).

cnf(refute_0_17,plain,
    response(response(response(lark,lark),response(X2,X2)),response(X2,X2)) != response(response(X2,X2),response(X2,X2)),
    inference(subst,[],[refute_0_16:[bind(X_3,$fot(response(X2,X2)))]]) ).

cnf(refute_0_18,plain,
    response(response(lark,response(lark,lark)),X2) = response(response(lark,lark),response(X2,X2)),
    inference(subst,[],[lark_exists:[bind(X1,$fot(response(lark,lark)))]]) ).

cnf(refute_0_19,plain,
    ( response(response(lark,response(lark,lark)),X2) != response(response(lark,lark),response(X2,X2))
    | response(response(lark,lark),response(X2,X2)) = response(response(lark,response(lark,lark)),X2) ),
    inference(subst,[],[refute_0_4:[bind(X0,$fot(response(response(lark,response(lark,lark)),X2))),bind(Y,$fot(response(response(lark,lark),response(X2,X2))))]]) ).

cnf(refute_0_20,plain,
    response(response(lark,lark),response(X2,X2)) = response(response(lark,response(lark,lark)),X2),
    inference(resolve,[$cnf( $equal(response(response(lark,response(lark,lark)),X2),response(response(lark,lark),response(X2,X2))) )],[refute_0_18,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( response(response(lark,lark),response(X2,X2)) != response(response(lark,response(lark,lark)),X2)
    | response(response(response(lark,response(lark,lark)),X2),response(X2,X2)) != response(response(X2,X2),response(X2,X2))
    | response(response(response(lark,lark),response(X2,X2)),response(X2,X2)) = response(response(X2,X2),response(X2,X2)) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(response(response(response(lark,lark),response(X2,X2)),response(X2,X2)),response(response(X2,X2),response(X2,X2))) ),[0,0],$fot(response(response(lark,response(lark,lark)),X2))]]) ).

cnf(refute_0_22,plain,
    ( response(response(response(lark,response(lark,lark)),X2),response(X2,X2)) != response(response(X2,X2),response(X2,X2))
    | response(response(response(lark,lark),response(X2,X2)),response(X2,X2)) = response(response(X2,X2),response(X2,X2)) ),
    inference(resolve,[$cnf( $equal(response(response(lark,lark),response(X2,X2)),response(response(lark,response(lark,lark)),X2)) )],[refute_0_20,refute_0_21]) ).

cnf(refute_0_23,plain,
    response(response(response(lark,response(lark,lark)),X2),response(X2,X2)) != response(response(X2,X2),response(X2,X2)),
    inference(resolve,[$cnf( $equal(response(response(response(lark,lark),response(X2,X2)),response(X2,X2)),response(response(X2,X2),response(X2,X2))) )],[refute_0_22,refute_0_17]) ).

cnf(refute_0_24,plain,
    response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))) != response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))),
    inference(subst,[],[refute_0_23:[bind(X2,$fot(response(lark,response(lark,lark))))]]) ).

cnf(refute_0_25,plain,
    response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))) = response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))),
    introduced(tautology,[refl,[$fot(response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))))]]) ).

cnf(refute_0_26,plain,
    $false,
    inference(resolve,[$cnf( $equal(response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark)))),response(response(response(lark,response(lark,lark)),response(lark,response(lark,lark))),response(response(lark,response(lark,lark)),response(lark,response(lark,lark))))) )],[refute_0_25,refute_0_24]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : COL058-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.34  % Computer : n023.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Tue May 31 13:22:26 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.37  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.37  
% 0.12/0.37  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.12/0.38  
%------------------------------------------------------------------------------