TSTP Solution File: SET602+4 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : SET602+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_uns --cores 0 -t %d %s

% Computer : n007.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 18:21:34 EDT 2022

% Result   : Theorem 0.19s 0.52s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   36 (  15 unt;   0 def)
%            Number of atoms       :   81 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   79 (  34   ~;  18   |;  14   &)
%                                         (   6 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   61 (  56   !;   5   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f61,plain,
    $false,
    inference(subsumption_resolution,[],[f59,f58]) ).

fof(f58,plain,
    ~ member(sK1(difference(sK0,sK0),empty_set),sK0),
    inference(unit_resulting_resolution,[],[f56,f34]) ).

fof(f34,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,difference(X1,X0))
      | ~ member(X2,X0) ),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0,X1,X2] :
      ( ( ( ~ member(X2,X0)
          & member(X2,X1) )
        | ~ member(X2,difference(X1,X0)) )
      & ( member(X2,difference(X1,X0))
        | member(X2,X0)
        | ~ member(X2,X1) ) ),
    inference(flattening,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( ( ( ~ member(X2,X0)
          & member(X2,X1) )
        | ~ member(X2,difference(X1,X0)) )
      & ( member(X2,difference(X1,X0))
        | member(X2,X0)
        | ~ member(X2,X1) ) ),
    inference(nnf_transformation,[],[f17]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ( ~ member(X2,X0)
        & member(X2,X1) )
    <=> member(X2,difference(X1,X0)) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X3,X1] :
      ( member(X1,difference(X3,X0))
    <=> ( member(X1,X3)
        & ~ member(X1,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',difference) ).

fof(f56,plain,
    member(sK1(difference(sK0,sK0),empty_set),difference(sK0,sK0)),
    inference(unit_resulting_resolution,[],[f46,f39]) ).

fof(f39,plain,
    ! [X0,X1] :
      ( member(sK1(X0,X1),X0)
      | subset(X0,X1) ),
    inference(cnf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0,X1] :
      ( ( member(sK1(X0,X1),X0)
        & ~ member(sK1(X0,X1),X1) )
      | subset(X0,X1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f29,f30]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X2,X0)
          & ~ member(X2,X1) )
     => ( member(sK1(X0,X1),X0)
        & ~ member(sK1(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f29,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X2,X0)
          & ~ member(X2,X1) )
      | subset(X0,X1) ),
    inference(rectify,[],[f24]) ).

fof(f24,plain,
    ! [X1,X0] :
      ( ? [X2] :
          ( member(X2,X1)
          & ~ member(X2,X0) )
      | subset(X1,X0) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,plain,
    ! [X1,X0] :
      ( ! [X2] :
          ( member(X2,X1)
         => member(X2,X0) )
     => subset(X1,X0) ),
    inference(unused_predicate_definition_removal,[],[f18]) ).

fof(f18,plain,
    ! [X1,X0] :
      ( subset(X1,X0)
    <=> ! [X2] :
          ( member(X2,X1)
         => member(X2,X0) ) ),
    inference(rectify,[],[f1]) ).

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

fof(f46,plain,
    ~ subset(difference(sK0,sK0),empty_set),
    inference(unit_resulting_resolution,[],[f37,f43,f35]) ).

fof(f35,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | ~ subset(X0,X1)
      | equal_set(X1,X0) ),
    inference(cnf_transformation,[],[f23]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ~ subset(X1,X0)
      | equal_set(X1,X0)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f22]) ).

fof(f22,plain,
    ! [X1,X0] :
      ( equal_set(X1,X0)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f19]) ).

fof(f19,plain,
    ! [X1,X0] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
     => equal_set(X1,X0) ),
    inference(unused_predicate_definition_removal,[],[f15]) ).

fof(f15,plain,
    ! [X1,X0] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
    <=> equal_set(X1,X0) ),
    inference(rectify,[],[f2]) ).

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

fof(f43,plain,
    ! [X0] : subset(empty_set,X0),
    inference(unit_resulting_resolution,[],[f36,f39]) ).

fof(f36,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X2] : ~ member(X2,empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set) ).

fof(f37,plain,
    ~ equal_set(difference(sK0,sK0),empty_set),
    inference(cnf_transformation,[],[f28]) ).

fof(f28,plain,
    ~ equal_set(difference(sK0,sK0),empty_set),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f21,f27]) ).

fof(f27,plain,
    ( ? [X0] : ~ equal_set(difference(X0,X0),empty_set)
   => ~ equal_set(difference(sK0,sK0),empty_set) ),
    introduced(choice_axiom,[]) ).

fof(f21,plain,
    ? [X0] : ~ equal_set(difference(X0,X0),empty_set),
    inference(ennf_transformation,[],[f14]) ).

fof(f14,plain,
    ~ ! [X0] : equal_set(difference(X0,X0),empty_set),
    inference(rectify,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ! [X3] : equal_set(difference(X3,X3),empty_set),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ! [X3] : equal_set(difference(X3,X3),empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',thI29) ).

fof(f59,plain,
    member(sK1(difference(sK0,sK0),empty_set),sK0),
    inference(unit_resulting_resolution,[],[f56,f33]) ).

fof(f33,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,difference(X1,X0))
      | member(X2,X1) ),
    inference(cnf_transformation,[],[f26]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SET602+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_uns --cores 0 -t %d %s
% 0.13/0.34  % Computer : n007.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit   : 300
% 0.13/0.34  % WCLimit    : 300
% 0.13/0.34  % DateTime   : Tue Aug 30 13:49:01 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (8889)lrs+10_1:32_br=off:nm=16:sd=2:ss=axioms:st=2.0:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (8891)lrs+10_1:1_drc=off:sp=reverse_frequency:spb=goal:to=lpo:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.50  % (8878)dis+1002_1:1_aac=none:bd=off:sac=on:sos=on:spb=units:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.19/0.50  % (8878)Refutation not found, incomplete strategy% (8878)------------------------------
% 0.19/0.50  % (8878)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.50  % (8878)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.50  % (8878)Termination reason: Refutation not found, incomplete strategy
% 0.19/0.50  
% 0.19/0.50  % (8878)Memory used [KB]: 5884
% 0.19/0.50  % (8878)Time elapsed: 0.110 s
% 0.19/0.50  % (8878)Instructions burned: 2 (million)
% 0.19/0.50  % (8878)------------------------------
% 0.19/0.50  % (8878)------------------------------
% 0.19/0.50  % (8876)dis+1002_1:12_drc=off:fd=preordered:tgt=full:i=99978:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99978Mi)
% 0.19/0.51  % (8891)Instruction limit reached!
% 0.19/0.51  % (8891)------------------------------
% 0.19/0.51  % (8891)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.51  % (8891)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.51  % (8891)Termination reason: Unknown
% 0.19/0.51  % (8891)Termination phase: Saturation
% 0.19/0.51  
% 0.19/0.51  % (8891)Memory used [KB]: 6012
% 0.19/0.51  % (8891)Time elapsed: 0.106 s
% 0.19/0.51  % (8891)Instructions burned: 8 (million)
% 0.19/0.51  % (8891)------------------------------
% 0.19/0.51  % (8891)------------------------------
% 0.19/0.51  % (8898)dis+1010_2:3_fs=off:fsr=off:nm=0:nwc=5.0:s2a=on:s2agt=32:i=82:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/82Mi)
% 0.19/0.51  % (8894)ott+1010_1:1_sd=2:sos=on:sp=occurrence:ss=axioms:urr=on:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.51  % (8889)First to succeed.
% 0.19/0.51  % (8894)Refutation not found, incomplete strategy% (8894)------------------------------
% 0.19/0.51  % (8894)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (8889)Refutation found. Thanks to Tanya!
% 0.19/0.52  % SZS status Theorem for theBenchmark
% 0.19/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.52  % (8889)------------------------------
% 0.19/0.52  % (8889)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (8889)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (8889)Termination reason: Refutation
% 0.19/0.52  
% 0.19/0.52  % (8889)Memory used [KB]: 5884
% 0.19/0.52  % (8889)Time elapsed: 0.113 s
% 0.19/0.52  % (8889)Instructions burned: 1 (million)
% 0.19/0.52  % (8889)------------------------------
% 0.19/0.52  % (8889)------------------------------
% 0.19/0.52  % (8874)Success in time 0.164 s
%------------------------------------------------------------------------------