TSTP Solution File: SET148+4 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET148+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --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 18:23:57 EDT 2022

% Result   : Theorem 0.20s 0.50s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   42 (  12 unt;   0 def)
%            Number of atoms       :  108 (   1 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  107 (  41   ~;  39   |;  17   &)
%                                         (   6 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   71 (  66   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f314,plain,
    $false,
    inference(subsumption_resolution,[],[f312,f153]) ).

fof(f153,plain,
    ~ subset(sK1,sF4),
    inference(subsumption_resolution,[],[f151,f92]) ).

fof(f92,plain,
    ~ equal_set(sF4,sK1),
    inference(definition_folding,[],[f72,f91]) ).

fof(f91,plain,
    intersection(sK1,sK1) = sF4,
    introduced(function_definition,[]) ).

fof(f72,plain,
    ~ equal_set(intersection(sK1,sK1),sK1),
    inference(cnf_transformation,[],[f43]) ).

fof(f43,plain,
    ~ equal_set(intersection(sK1,sK1),sK1),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f29,f42]) ).

fof(f42,plain,
    ( ? [X0] : ~ equal_set(intersection(X0,X0),X0)
   => ~ equal_set(intersection(sK1,sK1),sK1) ),
    introduced(choice_axiom,[]) ).

fof(f29,plain,
    ? [X0] : ~ equal_set(intersection(X0,X0),X0),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ! [X0] : equal_set(intersection(X0,X0),X0),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ! [X0] : equal_set(intersection(X0,X0),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI13) ).

fof(f151,plain,
    ( equal_set(sF4,sK1)
    | ~ subset(sK1,sF4) ),
    inference(resolution,[],[f150,f68]) ).

fof(f68,plain,
    ! [X0,X1] :
      ( ~ subset(X0,X1)
      | ~ subset(X1,X0)
      | equal_set(X0,X1) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | ~ subset(X0,X1)
      | equal_set(X0,X1) ),
    inference(rectify,[],[f28]) ).

fof(f28,plain,
    ! [X1,X0] :
      ( ~ subset(X0,X1)
      | ~ subset(X1,X0)
      | equal_set(X1,X0) ),
    inference(flattening,[],[f27]) ).

fof(f27,plain,
    ! [X1,X0] :
      ( equal_set(X1,X0)
      | ~ subset(X0,X1)
      | ~ subset(X1,X0) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f24,plain,
    ! [X1,X0] :
      ( ( subset(X0,X1)
        & subset(X1,X0) )
     => equal_set(X1,X0) ),
    inference(unused_predicate_definition_removal,[],[f16]) ).

fof(f16,plain,
    ! [X1,X0] :
      ( equal_set(X1,X0)
    <=> ( subset(X0,X1)
        & subset(X1,X0) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
    <=> equal_set(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equal_set) ).

fof(f150,plain,
    subset(sF4,sK1),
    inference(duplicate_literal_removal,[],[f147]) ).

fof(f147,plain,
    ( subset(sF4,sK1)
    | subset(sF4,sK1) ),
    inference(resolution,[],[f102,f85]) ).

fof(f85,plain,
    ! [X0,X1] :
      ( ~ member(sK3(X0,X1),X0)
      | subset(X1,X0) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ member(X2,X1)
            | member(X2,X0) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ( member(sK3(X0,X1),X1)
          & ~ member(sK3(X0,X1),X0) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f57,f58]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( member(X3,X1)
          & ~ member(X3,X0) )
     => ( member(sK3(X0,X1),X1)
        & ~ member(sK3(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( ~ member(X2,X1)
            | member(X2,X0) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ? [X3] :
            ( member(X3,X1)
            & ~ member(X3,X0) ) ) ),
    inference(rectify,[],[f56]) ).

fof(f56,plain,
    ! [X1,X0] :
      ( ( ! [X2] :
            ( ~ member(X2,X0)
            | member(X2,X1) )
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | ? [X2] :
            ( member(X2,X0)
            & ~ member(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X1,X0] :
      ( ! [X2] :
          ( ~ member(X2,X0)
          | member(X2,X1) )
    <=> subset(X0,X1) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset) ).

fof(f102,plain,
    ! [X12] :
      ( member(sK3(X12,sF4),sK1)
      | subset(sF4,X12) ),
    inference(resolution,[],[f86,f94]) ).

fof(f94,plain,
    ! [X1] :
      ( ~ member(X1,sF4)
      | member(X1,sK1) ),
    inference(superposition,[],[f60,f91]) ).

fof(f60,plain,
    ! [X2,X0,X1] :
      ( ~ member(X1,intersection(X0,X2))
      | member(X1,X2) ),
    inference(cnf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ( member(X1,intersection(X0,X2))
        | ~ member(X1,X0)
        | ~ member(X1,X2) )
      & ( ( member(X1,X0)
          & member(X1,X2) )
        | ~ member(X1,intersection(X0,X2)) ) ),
    inference(flattening,[],[f30]) ).

fof(f30,plain,
    ! [X0,X1,X2] :
      ( ( member(X1,intersection(X0,X2))
        | ~ member(X1,X0)
        | ~ member(X1,X2) )
      & ( ( member(X1,X0)
          & member(X1,X2) )
        | ~ member(X1,intersection(X0,X2)) ) ),
    inference(nnf_transformation,[],[f19]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( member(X1,intersection(X0,X2))
    <=> ( member(X1,X0)
        & member(X1,X2) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X0,X2,X1] :
      ( ( member(X2,X1)
        & member(X2,X0) )
    <=> member(X2,intersection(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',intersection) ).

fof(f86,plain,
    ! [X0,X1] :
      ( member(sK3(X0,X1),X1)
      | subset(X1,X0) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f312,plain,
    subset(sK1,sF4),
    inference(superposition,[],[f303,f91]) ).

fof(f303,plain,
    ! [X0] : subset(X0,intersection(X0,X0)),
    inference(duplicate_literal_removal,[],[f293]) ).

fof(f293,plain,
    ! [X0] :
      ( subset(X0,intersection(X0,X0))
      | subset(X0,intersection(X0,X0)) ),
    inference(resolution,[],[f280,f85]) ).

fof(f280,plain,
    ! [X0,X1] :
      ( member(sK3(X1,X0),intersection(X0,X0))
      | subset(X0,X1) ),
    inference(duplicate_literal_removal,[],[f261]) ).

fof(f261,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sK3(X1,X0),intersection(X0,X0))
      | subset(X0,X1) ),
    inference(resolution,[],[f174,f86]) ).

fof(f174,plain,
    ! [X48,X46,X47] :
      ( ~ member(sK3(X46,X47),X48)
      | subset(X47,X46)
      | member(sK3(X46,X47),intersection(X47,X48)) ),
    inference(resolution,[],[f62,f86]) ).

fof(f62,plain,
    ! [X2,X0,X1] :
      ( ~ member(X1,X0)
      | ~ member(X1,X2)
      | member(X1,intersection(X0,X2)) ),
    inference(cnf_transformation,[],[f31]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : SET148+4 : TPTP v8.1.0. Released v2.2.0.
% 0.13/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --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 13:23:33 EDT 2022
% 0.20/0.35  % CPUTime    : 
% 0.20/0.48  % (21964)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.20/0.49  % (21942)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.50  % (21942)First to succeed.
% 0.20/0.50  % (21942)Refutation found. Thanks to Tanya!
% 0.20/0.50  % SZS status Theorem for theBenchmark
% 0.20/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.50  % (21942)------------------------------
% 0.20/0.50  % (21942)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.50  % (21942)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.50  % (21942)Termination reason: Refutation
% 0.20/0.50  
% 0.20/0.50  % (21942)Memory used [KB]: 5628
% 0.20/0.50  % (21942)Time elapsed: 0.078 s
% 0.20/0.50  % (21942)Instructions burned: 13 (million)
% 0.20/0.50  % (21942)------------------------------
% 0.20/0.50  % (21942)------------------------------
% 0.20/0.50  % (21937)Success in time 0.144 s
%------------------------------------------------------------------------------