TSTP Solution File: SET072+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET072+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 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 : n010.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 18:23:31 EDT 2022

% Result   : Theorem 0.19s 0.60s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   31 (  11 unt;   0 def)
%            Number of atoms       :   95 (  47 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   92 (  28   ~;  23   |;  35   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   44 (  32   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f324,plain,
    $false,
    inference(subsumption_resolution,[],[f323,f306]) ).

fof(f306,plain,
    sK3 != sK2,
    inference(backward_demodulation,[],[f201,f303]) ).

fof(f303,plain,
    sK2 = sK4,
    inference(subsumption_resolution,[],[f301,f201]) ).

fof(f301,plain,
    ( sK3 = sK4
    | sK2 = sK4 ),
    inference(resolution,[],[f192,f297]) ).

fof(f297,plain,
    member(sK4,unordered_pair(sK3,sK2)),
    inference(subsumption_resolution,[],[f296,f202]) ).

fof(f202,plain,
    member(sK4,universal_class),
    inference(cnf_transformation,[],[f120]) ).

fof(f120,plain,
    ( member(sK4,universal_class)
    & sK3 != sK4
    & unordered_pair(sK4,sK2) = unordered_pair(sK3,sK2)
    & member(sK3,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f118,f119]) ).

fof(f119,plain,
    ( ? [X0,X1,X2] :
        ( member(X2,universal_class)
        & X1 != X2
        & unordered_pair(X1,X0) = unordered_pair(X2,X0)
        & member(X1,universal_class) )
   => ( member(sK4,universal_class)
      & sK3 != sK4
      & unordered_pair(sK4,sK2) = unordered_pair(sK3,sK2)
      & member(sK3,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f118,plain,
    ? [X0,X1,X2] :
      ( member(X2,universal_class)
      & X1 != X2
      & unordered_pair(X1,X0) = unordered_pair(X2,X0)
      & member(X1,universal_class) ),
    inference(rectify,[],[f77]) ).

fof(f77,plain,
    ? [X1,X0,X2] :
      ( member(X2,universal_class)
      & X0 != X2
      & unordered_pair(X0,X1) = unordered_pair(X2,X1)
      & member(X0,universal_class) ),
    inference(flattening,[],[f76]) ).

fof(f76,plain,
    ? [X1,X2,X0] :
      ( X0 != X2
      & member(X0,universal_class)
      & unordered_pair(X0,X1) = unordered_pair(X2,X1)
      & member(X2,universal_class) ),
    inference(ennf_transformation,[],[f60]) ).

fof(f60,plain,
    ~ ! [X1,X2,X0] :
        ( ( member(X0,universal_class)
          & unordered_pair(X0,X1) = unordered_pair(X2,X1)
          & member(X2,universal_class) )
       => X0 = X2 ),
    inference(rectify,[],[f45]) ).

fof(f45,negated_conjecture,
    ~ ! [X1,X4,X0] :
        ( ( member(X1,universal_class)
          & member(X0,universal_class)
          & unordered_pair(X0,X4) = unordered_pair(X1,X4) )
       => X0 = X1 ),
    inference(negated_conjecture,[],[f44]) ).

fof(f44,conjecture,
    ! [X1,X4,X0] :
      ( ( member(X1,universal_class)
        & member(X0,universal_class)
        & unordered_pair(X0,X4) = unordered_pair(X1,X4) )
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_cancellation) ).

fof(f296,plain,
    ( ~ member(sK4,universal_class)
    | member(sK4,unordered_pair(sK3,sK2)) ),
    inference(superposition,[],[f288,f200]) ).

fof(f200,plain,
    unordered_pair(sK4,sK2) = unordered_pair(sK3,sK2),
    inference(cnf_transformation,[],[f120]) ).

fof(f288,plain,
    ! [X2,X1] :
      ( member(X2,unordered_pair(X2,X1))
      | ~ member(X2,universal_class) ),
    inference(equality_resolution,[],[f193]) ).

fof(f193,plain,
    ! [X2,X0,X1] :
      ( member(X2,unordered_pair(X0,X1))
      | X0 != X2
      | ~ member(X2,universal_class) ),
    inference(cnf_transformation,[],[f113]) ).

fof(f113,plain,
    ! [X0,X1,X2] :
      ( ( member(X2,unordered_pair(X0,X1))
        | ( X1 != X2
          & X0 != X2 )
        | ~ member(X2,universal_class) )
      & ( ( ( X1 = X2
            | X0 = X2 )
          & member(X2,universal_class) )
        | ~ member(X2,unordered_pair(X0,X1)) ) ),
    inference(rectify,[],[f112]) ).

fof(f112,plain,
    ! [X2,X1,X0] :
      ( ( member(X0,unordered_pair(X2,X1))
        | ( X0 != X1
          & X0 != X2 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X1
            | X0 = X2 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X2,X1)) ) ),
    inference(flattening,[],[f111]) ).

fof(f111,plain,
    ! [X2,X1,X0] :
      ( ( member(X0,unordered_pair(X2,X1))
        | ( X0 != X1
          & X0 != X2 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X1
            | X0 = X2 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X2,X1)) ) ),
    inference(nnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X2,X1,X0] :
      ( member(X0,unordered_pair(X2,X1))
    <=> ( ( X0 = X1
          | X0 = X2 )
        & member(X0,universal_class) ) ),
    inference(rectify,[],[f4]) ).

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

fof(f192,plain,
    ! [X2,X0,X1] :
      ( ~ member(X2,unordered_pair(X0,X1))
      | X1 = X2
      | X0 = X2 ),
    inference(cnf_transformation,[],[f113]) ).

fof(f201,plain,
    sK3 != sK4,
    inference(cnf_transformation,[],[f120]) ).

fof(f323,plain,
    sK3 = sK2,
    inference(duplicate_literal_removal,[],[f321]) ).

fof(f321,plain,
    ( sK3 = sK2
    | sK3 = sK2 ),
    inference(resolution,[],[f317,f192]) ).

fof(f317,plain,
    member(sK3,unordered_pair(sK2,sK2)),
    inference(subsumption_resolution,[],[f313,f199]) ).

fof(f199,plain,
    member(sK3,universal_class),
    inference(cnf_transformation,[],[f120]) ).

fof(f313,plain,
    ( member(sK3,unordered_pair(sK2,sK2))
    | ~ member(sK3,universal_class) ),
    inference(superposition,[],[f288,f308]) ).

fof(f308,plain,
    unordered_pair(sK3,sK2) = unordered_pair(sK2,sK2),
    inference(backward_demodulation,[],[f200,f303]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem    : SET072+1 : TPTP v8.1.0. Bugfixed v5.4.0.
% 0.10/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34  % Computer : n010.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 13:01:14 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.55  % (16654)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.56  % (16671)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.19/0.57  % (16672)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.19/0.57  % (16662)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.19/0.57  % (16664)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)
% 0.19/0.58  % (16655)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.59  % (16655)Instruction limit reached!
% 0.19/0.59  % (16655)------------------------------
% 0.19/0.59  % (16655)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.59  % (16655)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.59  % (16655)Termination reason: Unknown
% 0.19/0.59  % (16655)Termination phase: Saturation
% 0.19/0.59  
% 0.19/0.59  % (16655)Memory used [KB]: 5500
% 0.19/0.59  % (16655)Time elapsed: 0.097 s
% 0.19/0.59  % (16655)Instructions burned: 7 (million)
% 0.19/0.59  % (16655)------------------------------
% 0.19/0.59  % (16655)------------------------------
% 0.19/0.59  % (16672)First to succeed.
% 0.19/0.60  % (16672)Refutation found. Thanks to Tanya!
% 0.19/0.60  % SZS status Theorem for theBenchmark
% 0.19/0.60  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.60  % (16672)------------------------------
% 0.19/0.60  % (16672)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.60  % (16672)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.60  % (16672)Termination reason: Refutation
% 0.19/0.60  
% 0.19/0.60  % (16672)Memory used [KB]: 5628
% 0.19/0.60  % (16672)Time elapsed: 0.097 s
% 0.19/0.60  % (16672)Instructions burned: 10 (million)
% 0.19/0.60  % (16672)------------------------------
% 0.19/0.60  % (16672)------------------------------
% 0.19/0.60  % (16647)Success in time 0.247 s
%------------------------------------------------------------------------------