TSTP Solution File: SET103-7 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET103-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s

% Computer : n014.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  : 300s
% DateTime : Wed Aug 31 18:19:15 EDT 2022

% Result   : Unsatisfiable 0.20s 0.48s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   16 (  14 unt;   0 def)
%            Number of atoms       :   18 (  14 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   10 (   8   ~;   2   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    3 (   2 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :    9 (   9   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f307,plain,
    $false,
    inference(trivial_inequality_removal,[],[f305]) ).

fof(f305,plain,
    unordered_pair(unordered_pair(null_class,x),unordered_pair(x,x)) != unordered_pair(unordered_pair(null_class,x),unordered_pair(x,x)),
    inference(superposition,[],[f304,f108]) ).

fof(f108,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_unordered_pair) ).

fof(f304,plain,
    unordered_pair(unordered_pair(null_class,x),unordered_pair(x,x)) != unordered_pair(unordered_pair(x,x),unordered_pair(null_class,x)),
    inference(forward_demodulation,[],[f303,f108]) ).

fof(f303,plain,
    unordered_pair(unordered_pair(null_class,x),unordered_pair(x,x)) != unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)),
    inference(forward_demodulation,[],[f302,f285]) ).

fof(f285,plain,
    null_class = unordered_pair(y,y),
    inference(resolution,[],[f207,f149]) ).

fof(f149,axiom,
    ~ member(y,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_1_of_ordered_pair_2) ).

fof(f207,plain,
    ! [X0] :
      ( member(X0,universal_class)
      | unordered_pair(X0,X0) = null_class ),
    inference(definition_unfolding,[],[f126,f12]) ).

fof(f12,axiom,
    ! [X0] : unordered_pair(X0,X0) = singleton(X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_set) ).

fof(f126,axiom,
    ! [X0] :
      ( singleton(X0) = null_class
      | member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singleton_is_null_class) ).

fof(f302,plain,
    unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y))) != unordered_pair(unordered_pair(null_class,x),unordered_pair(x,x)),
    inference(forward_demodulation,[],[f301,f108]) ).

fof(f301,plain,
    unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y))) != unordered_pair(unordered_pair(x,null_class),unordered_pair(x,x)),
    inference(forward_demodulation,[],[f168,f108]) ).

fof(f168,plain,
    unordered_pair(unordered_pair(x,x),unordered_pair(x,unordered_pair(y,y))) != unordered_pair(unordered_pair(x,x),unordered_pair(x,null_class)),
    inference(definition_unfolding,[],[f148,f12,f158]) ).

fof(f158,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X0),unordered_pair(X0,unordered_pair(X1,X1))),
    inference(definition_unfolding,[],[f13,f12,f12]) ).

fof(f13,axiom,
    ! [X0,X1] : unordered_pair(singleton(X0),unordered_pair(X0,singleton(X1))) = ordered_pair(X0,X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ordered_pair) ).

fof(f148,axiom,
    unordered_pair(singleton(x),unordered_pair(x,null_class)) != ordered_pair(x,y),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_property_1_of_ordered_pair_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SET103-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.13/0.35  % Computer : n014.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 13:18:03 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.47  % (5227)lrs+30_1:12_av=off:bs=unit_only:fsd=on:gs=on:lwlo=on:newcnf=on:slsq=on:slsqr=1,2:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.20/0.47  % (5219)dis+1011_1:16_fsr=off:nwc=2.0:i=25:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/25Mi)
% 0.20/0.47  % (5227)Instruction limit reached!
% 0.20/0.47  % (5227)------------------------------
% 0.20/0.47  % (5227)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.47  % (5227)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.47  % (5227)Termination reason: Unknown
% 0.20/0.47  % (5227)Termination phase: Function definition elimination
% 0.20/0.47  
% 0.20/0.47  % (5227)Memory used [KB]: 1407
% 0.20/0.47  % (5227)Time elapsed: 0.003 s
% 0.20/0.47  % (5227)Instructions burned: 3 (million)
% 0.20/0.47  % (5227)------------------------------
% 0.20/0.47  % (5227)------------------------------
% 0.20/0.48  % (5219)First to succeed.
% 0.20/0.48  % (5219)Refutation found. Thanks to Tanya!
% 0.20/0.48  % SZS status Unsatisfiable for theBenchmark
% 0.20/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.48  % (5219)------------------------------
% 0.20/0.48  % (5219)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.48  % (5219)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.48  % (5219)Termination reason: Refutation
% 0.20/0.48  
% 0.20/0.48  % (5219)Memory used [KB]: 6012
% 0.20/0.48  % (5219)Time elapsed: 0.072 s
% 0.20/0.48  % (5219)Instructions burned: 8 (million)
% 0.20/0.48  % (5219)------------------------------
% 0.20/0.48  % (5219)------------------------------
% 0.20/0.48  % (5205)Success in time 0.128 s
%------------------------------------------------------------------------------