TSTP Solution File: SET907+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET907+1 : TPTP v8.1.0. Released v3.2.0.
% 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 : n027.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 18:26:03 EDT 2022

% Result   : Theorem 0.19s 0.45s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   30 (   9 unt;   0 def)
%            Number of atoms       :   78 (  22 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   75 (  27   ~;  17   |;  23   &)
%                                         (   2 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   58 (  46   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f100,plain,
    $false,
    inference(subsumption_resolution,[],[f99,f66]) ).

fof(f66,plain,
    sK4 != set_union2(sK4,unordered_pair(sK2,sK3)),
    inference(superposition,[],[f54,f48]) ).

fof(f48,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(rectify,[],[f3]) ).

fof(f3,axiom,
    ! [X1,X0] : set_union2(X0,X1) = set_union2(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

fof(f54,plain,
    sK4 != set_union2(unordered_pair(sK2,sK3),sK4),
    inference(cnf_transformation,[],[f40]) ).

fof(f40,plain,
    ( in(sK3,sK4)
    & in(sK2,sK4)
    & sK4 != set_union2(unordered_pair(sK2,sK3),sK4) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f38,f39]) ).

fof(f39,plain,
    ( ? [X0,X1,X2] :
        ( in(X1,X2)
        & in(X0,X2)
        & set_union2(unordered_pair(X0,X1),X2) != X2 )
   => ( in(sK3,sK4)
      & in(sK2,sK4)
      & sK4 != set_union2(unordered_pair(sK2,sK3),sK4) ) ),
    introduced(choice_axiom,[]) ).

fof(f38,plain,
    ? [X0,X1,X2] :
      ( in(X1,X2)
      & in(X0,X2)
      & set_union2(unordered_pair(X0,X1),X2) != X2 ),
    inference(rectify,[],[f28]) ).

fof(f28,plain,
    ? [X1,X0,X2] :
      ( in(X0,X2)
      & in(X1,X2)
      & set_union2(unordered_pair(X1,X0),X2) != X2 ),
    inference(flattening,[],[f27]) ).

fof(f27,plain,
    ? [X1,X2,X0] :
      ( set_union2(unordered_pair(X1,X0),X2) != X2
      & in(X0,X2)
      & in(X1,X2) ),
    inference(ennf_transformation,[],[f17]) ).

fof(f17,plain,
    ~ ! [X1,X2,X0] :
        ( ( in(X0,X2)
          & in(X1,X2) )
       => set_union2(unordered_pair(X1,X0),X2) = X2 ),
    inference(rectify,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ! [X2,X0,X1] :
        ( ( in(X0,X1)
          & in(X2,X1) )
       => set_union2(unordered_pair(X0,X2),X1) = X1 ),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ! [X2,X0,X1] :
      ( ( in(X0,X1)
        & in(X2,X1) )
     => set_union2(unordered_pair(X0,X2),X1) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t48_zfmisc_1) ).

fof(f99,plain,
    sK4 = set_union2(sK4,unordered_pair(sK2,sK3)),
    inference(resolution,[],[f94,f56]) ).

fof(f56,plain,
    in(sK3,sK4),
    inference(cnf_transformation,[],[f40]) ).

fof(f94,plain,
    ! [X0] :
      ( ~ in(X0,sK4)
      | sK4 = set_union2(sK4,unordered_pair(sK2,X0)) ),
    inference(forward_demodulation,[],[f90,f48]) ).

fof(f90,plain,
    ! [X0] :
      ( sK4 = set_union2(unordered_pair(sK2,X0),sK4)
      | ~ in(X0,sK4) ),
    inference(resolution,[],[f79,f55]) ).

fof(f55,plain,
    in(sK2,sK4),
    inference(cnf_transformation,[],[f40]) ).

fof(f79,plain,
    ! [X8,X6,X7] :
      ( ~ in(X8,X7)
      | ~ in(X6,X7)
      | set_union2(unordered_pair(X8,X6),X7) = X7 ),
    inference(resolution,[],[f44,f53]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | set_union2(X1,X0) = X0 ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( set_union2(X1,X0) = X0
      | ~ subset(X1,X0) ),
    inference(ennf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
     => set_union2(X1,X0) = X0 ),
    inference(rectify,[],[f10]) ).

fof(f10,axiom,
    ! [X1,X0] :
      ( subset(X0,X1)
     => set_union2(X0,X1) = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t12_xboole_1) ).

fof(f44,plain,
    ! [X2,X0,X1] :
      ( subset(unordered_pair(X1,X2),X0)
      | ~ in(X2,X0)
      | ~ in(X1,X0) ),
    inference(cnf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0,X1,X2] :
      ( ( ( in(X2,X0)
          & in(X1,X0) )
        | ~ subset(unordered_pair(X1,X2),X0) )
      & ( subset(unordered_pair(X1,X2),X0)
        | ~ in(X2,X0)
        | ~ in(X1,X0) ) ),
    inference(rectify,[],[f30]) ).

fof(f30,plain,
    ! [X0,X2,X1] :
      ( ( ( in(X1,X0)
          & in(X2,X0) )
        | ~ subset(unordered_pair(X2,X1),X0) )
      & ( subset(unordered_pair(X2,X1),X0)
        | ~ in(X1,X0)
        | ~ in(X2,X0) ) ),
    inference(flattening,[],[f29]) ).

fof(f29,plain,
    ! [X0,X2,X1] :
      ( ( ( in(X1,X0)
          & in(X2,X0) )
        | ~ subset(unordered_pair(X2,X1),X0) )
      & ( subset(unordered_pair(X2,X1),X0)
        | ~ in(X1,X0)
        | ~ in(X2,X0) ) ),
    inference(nnf_transformation,[],[f15]) ).

fof(f15,plain,
    ! [X0,X2,X1] :
      ( ( in(X1,X0)
        & in(X2,X0) )
    <=> subset(unordered_pair(X2,X1),X0) ),
    inference(rectify,[],[f11]) ).

fof(f11,axiom,
    ! [X2,X1,X0] :
      ( ( in(X0,X2)
        & in(X1,X2) )
    <=> subset(unordered_pair(X0,X1),X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t38_zfmisc_1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem    : SET907+1 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Tue Aug 30 14:53:46 EDT 2022
% 0.12/0.33  % CPUTime    : 
% 0.19/0.45  % (12774)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.19/0.45  % (12751)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.45  % (12757)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.45  % (12757)First to succeed.
% 0.19/0.45  % (12757)Refutation found. Thanks to Tanya!
% 0.19/0.45  % SZS status Theorem for theBenchmark
% 0.19/0.45  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.46  % (12757)------------------------------
% 0.19/0.46  % (12757)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.46  % (12757)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.46  % (12757)Termination reason: Refutation
% 0.19/0.46  
% 0.19/0.46  % (12757)Memory used [KB]: 5373
% 0.19/0.46  % (12757)Time elapsed: 0.069 s
% 0.19/0.46  % (12757)Instructions burned: 4 (million)
% 0.19/0.46  % (12757)------------------------------
% 0.19/0.46  % (12757)------------------------------
% 0.19/0.46  % (12749)Success in time 0.115 s
%------------------------------------------------------------------------------