TSTP Solution File: SET590+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET590+3 : 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 : n012.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 18:25:00 EDT 2022

% Result   : Theorem 0.21s 0.50s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   25 (  10 unt;   0 def)
%            Number of atoms       :   67 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   72 (  30   ~;  19   |;  14   &)
%                                         (   5 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   52 (  45   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f31,plain,
    $false,
    inference(subsumption_resolution,[],[f30,f28]) ).

fof(f28,plain,
    ~ member(sK2(sK1,difference(sK1,sK0)),sK1),
    inference(resolution,[],[f21,f19]) ).

fof(f19,plain,
    ~ subset(difference(sK1,sK0),sK1),
    inference(cnf_transformation,[],[f12]) ).

fof(f12,plain,
    ~ subset(difference(sK1,sK0),sK1),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f9,f11]) ).

fof(f11,plain,
    ( ? [X0,X1] : ~ subset(difference(X1,X0),X1)
   => ~ subset(difference(sK1,sK0),sK1) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ? [X0,X1] : ~ subset(difference(X1,X0),X1),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,plain,
    ~ ! [X0,X1] : subset(difference(X1,X0),X1),
    inference(rectify,[],[f5]) ).

fof(f5,negated_conjecture,
    ~ ! [X1,X0] : subset(difference(X0,X1),X0),
    inference(negated_conjecture,[],[f4]) ).

fof(f4,conjecture,
    ! [X1,X0] : subset(difference(X0,X1),X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th49) ).

fof(f21,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
      | ~ member(sK2(X0,X1),X0) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f16,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ( ~ member(sK2(X0,X1),X0)
          & member(sK2(X0,X1),X1) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f14,f15]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( ~ member(X3,X0)
          & member(X3,X1) )
     => ( ~ member(sK2(X0,X1),X0)
        & member(sK2(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ? [X3] :
            ( ~ member(X3,X0)
            & member(X3,X1) ) ) ),
    inference(rectify,[],[f13]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( ( ! [X2] :
            ( member(X2,X0)
            | ~ member(X2,X1) )
        | ~ subset(X1,X0) )
      & ( subset(X1,X0)
        | ? [X2] :
            ( ~ member(X2,X0)
            & member(X2,X1) ) ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f10,plain,
    ! [X0,X1] :
      ( ! [X2] :
          ( member(X2,X0)
          | ~ member(X2,X1) )
    <=> subset(X1,X0) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,plain,
    ! [X1,X0] :
      ( subset(X1,X0)
    <=> ! [X2] :
          ( member(X2,X1)
         => member(X2,X0) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X1,X0] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset_defn) ).

fof(f30,plain,
    member(sK2(sK1,difference(sK1,sK0)),sK1),
    inference(resolution,[],[f24,f27]) ).

fof(f27,plain,
    member(sK2(sK1,difference(sK1,sK0)),difference(sK1,sK0)),
    inference(resolution,[],[f20,f19]) ).

fof(f20,plain,
    ! [X0,X1] :
      ( subset(X1,X0)
      | member(sK2(X0,X1),X1) ),
    inference(cnf_transformation,[],[f16]) ).

fof(f24,plain,
    ! [X2,X0,X1] :
      ( ~ member(X1,difference(X0,X2))
      | member(X1,X0) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( ( member(X1,difference(X0,X2))
        | ~ member(X1,X0)
        | member(X1,X2) )
      & ( ( member(X1,X0)
          & ~ member(X1,X2) )
        | ~ member(X1,difference(X0,X2)) ) ),
    inference(flattening,[],[f17]) ).

fof(f17,plain,
    ! [X0,X1,X2] :
      ( ( member(X1,difference(X0,X2))
        | ~ member(X1,X0)
        | member(X1,X2) )
      & ( ( member(X1,X0)
          & ~ member(X1,X2) )
        | ~ member(X1,difference(X0,X2)) ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f6,plain,
    ! [X0,X1,X2] :
      ( member(X1,difference(X0,X2))
    <=> ( member(X1,X0)
        & ~ member(X1,X2) ) ),
    inference(rectify,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X2,X1] :
      ( member(X2,difference(X0,X1))
    <=> ( member(X2,X0)
        & ~ member(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_defn) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SET590+3 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.34  % Computer : n012.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 14:02:35 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.21/0.49  % (3437)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 (3000ds/498Mi)
% 0.21/0.50  % (3429)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 (3000ds/68Mi)
% 0.21/0.50  % (3437)First to succeed.
% 0.21/0.50  % (3421)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (3000ds/51Mi)
% 0.21/0.50  % (3437)Refutation found. Thanks to Tanya!
% 0.21/0.50  % SZS status Theorem for theBenchmark
% 0.21/0.50  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.50  % (3437)------------------------------
% 0.21/0.50  % (3437)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.50  % (3437)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.50  % (3437)Termination reason: Refutation
% 0.21/0.50  
% 0.21/0.50  % (3437)Memory used [KB]: 895
% 0.21/0.50  % (3437)Time elapsed: 0.057 s
% 0.21/0.50  % (3437)Instructions burned: 2 (million)
% 0.21/0.50  % (3437)------------------------------
% 0.21/0.50  % (3437)------------------------------
% 0.21/0.50  % (3414)Success in time 0.151 s
%------------------------------------------------------------------------------