TSTP Solution File: SET085-7 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET085-7 : 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_sat --cores 0 -t %d %s

% Computer : n001.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 18:23:36 EDT 2022

% Result   : Unsatisfiable 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   28 (  16 unt;   0 def)
%            Number of atoms       :   40 (  20 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   29 (  17   ~;  12   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :   12 (  12   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f473,plain,
    $false,
    inference(subsumption_resolution,[],[f472,f185]) ).

fof(f185,plain,
    null_class != sF0,
    inference(subsumption_resolution,[],[f184,f130]) ).

fof(f130,axiom,
    member(x,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_in_unordered_pair3_2) ).

fof(f184,plain,
    ( ~ member(x,universal_class)
    | null_class != sF0 ),
    inference(superposition,[],[f123,f140]) ).

fof(f140,plain,
    singleton(x) = sF0,
    inference(backward_demodulation,[],[f137,f138]) ).

fof(f138,plain,
    sF0 = sF1,
    inference(definition_folding,[],[f129,f137,f136]) ).

fof(f136,plain,
    unordered_pair(y,z) = sF0,
    introduced(function_definition,[]) ).

fof(f129,axiom,
    unordered_pair(y,z) = singleton(x),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_in_unordered_pair3_1) ).

fof(f137,plain,
    singleton(x) = sF1,
    introduced(function_definition,[]) ).

fof(f123,axiom,
    ! [X0] :
      ( singleton(X0) != null_class
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',corollary_to_set_in_its_singleton) ).

fof(f472,plain,
    null_class = sF0,
    inference(forward_demodulation,[],[f451,f232]) ).

fof(f232,plain,
    null_class = singleton(y),
    inference(resolution,[],[f228,f126]) ).

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

fof(f228,plain,
    ~ member(y,universal_class),
    inference(subsumption_resolution,[],[f227,f131]) ).

fof(f131,axiom,
    y != x,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_in_unordered_pair3_3) ).

fof(f227,plain,
    ( y = x
    | ~ member(y,universal_class) ),
    inference(resolution,[],[f200,f190]) ).

fof(f190,plain,
    ! [X0] :
      ( ~ member(X0,sF0)
      | x = X0 ),
    inference(superposition,[],[f125,f140]) ).

fof(f125,axiom,
    ! [X0,X1] :
      ( ~ member(X1,singleton(X0))
      | X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',only_member_in_singleton) ).

fof(f200,plain,
    ( member(y,sF0)
    | ~ member(y,universal_class) ),
    inference(superposition,[],[f9,f136]) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( member(X0,unordered_pair(X0,X1))
      | ~ member(X0,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair2) ).

fof(f451,plain,
    sF0 = singleton(y),
    inference(superposition,[],[f424,f136]) ).

fof(f424,plain,
    ! [X3] : unordered_pair(X3,z) = singleton(X3),
    inference(resolution,[],[f111,f251]) ).

fof(f251,plain,
    ~ member(z,universal_class),
    inference(subsumption_resolution,[],[f250,f132]) ).

fof(f132,axiom,
    z != x,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_in_unordered_pair3_4) ).

fof(f250,plain,
    ( z = x
    | ~ member(z,universal_class) ),
    inference(resolution,[],[f204,f190]) ).

fof(f204,plain,
    ( member(z,sF0)
    | ~ member(z,universal_class) ),
    inference(superposition,[],[f10,f136]) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( member(X1,unordered_pair(X0,X1))
      | ~ member(X1,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair3) ).

fof(f111,axiom,
    ! [X0,X1] :
      ( member(X1,universal_class)
      | unordered_pair(X0,X1) = singleton(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_equals_singleton1) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET085-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.33  % Computer : n001.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit   : 300
% 0.13/0.33  % WCLimit    : 300
% 0.13/0.33  % DateTime   : Tue Aug 30 13:33:31 EDT 2022
% 0.13/0.33  % CPUTime    : 
% 0.19/0.48  % (14834)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.49  % (14849)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.19/0.50  % (14849)First to succeed.
% 0.19/0.50  % (14838)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (14842)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.51  % (14854)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.51  % (14849)Refutation found. Thanks to Tanya!
% 0.19/0.51  % SZS status Unsatisfiable for theBenchmark
% 0.19/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.51  % (14849)------------------------------
% 0.19/0.51  % (14849)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (14849)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (14849)Termination reason: Refutation
% 0.19/0.51  
% 0.19/0.51  % (14849)Memory used [KB]: 1279
% 0.19/0.51  % (14849)Time elapsed: 0.099 s
% 0.19/0.51  % (14849)Instructions burned: 19 (million)
% 0.19/0.51  % (14849)------------------------------
% 0.19/0.51  % (14849)------------------------------
% 0.19/0.51  % (14833)Success in time 0.172 s
%------------------------------------------------------------------------------