TSTP Solution File: NUN067+2 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : NUN067+2 : TPTP v8.1.0. Released v7.3.0.
% 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 : n021.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 18:07:40 EDT 2022

% Result   : Theorem 0.19s 0.47s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   22 (   6 unt;   0 def)
%            Number of atoms       :   56 (  23 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   68 (  34   ~;  18   |;  14   &)
%                                         (   0 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    2 (   2 usr;   0 con; 1-1 aty)
%            Number of variables   :   44 (  36   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f121,plain,
    $false,
    inference(resolution,[],[f118,f115]) ).

fof(f115,plain,
    ! [X0] : r1(X0),
    inference(backward_demodulation,[],[f75,f74]) ).

fof(f74,plain,
    ! [X0] : sK7(X0) = X0,
    inference(cnf_transformation,[],[f39]) ).

fof(f39,plain,
    ! [X0] :
      ( r1(sK7(X0))
      & sK7(X0) = X0 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f25,f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ? [X1] :
          ( r1(X1)
          & X0 = X1 )
     => ( r1(sK7(X0))
        & sK7(X0) = X0 ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ! [X0] :
    ? [X1] :
      ( r1(X1)
      & X0 = X1 ),
    inference(ennf_transformation,[],[f18]) ).

fof(f18,plain,
    ~ ? [X0] :
      ! [X1] :
        ( ~ r1(X1)
        | X0 != X1 ),
    inference(rectify,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ? [X38] :
      ! [X21] :
        ( X21 != X38
        | ~ r1(X21) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ? [X38] :
    ! [X21] :
      ( X21 != X38
      | ~ r1(X21) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',nonzerosexist) ).

fof(f75,plain,
    ! [X0] : r1(sK7(X0)),
    inference(cnf_transformation,[],[f39]) ).

fof(f118,plain,
    ! [X0] : ~ r1(sK8(X0)),
    inference(resolution,[],[f107,f109]) ).

fof(f109,plain,
    ! [X0] : r2(X0,sK8(X0)),
    inference(equality_resolution,[],[f78]) ).

fof(f78,plain,
    ! [X2,X0] :
      ( sK8(X0) != X2
      | r2(X0,X2) ),
    inference(cnf_transformation,[],[f41]) ).

fof(f41,plain,
    ! [X0,X2] :
      ( ( sK8(X0) != X2
        & ~ r2(X0,X2) )
      | ( sK8(X0) = X2
        & r2(X0,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8])],[f22,f40]) ).

fof(f40,plain,
    ! [X0] :
      ( ? [X1] :
        ! [X2] :
          ( ( X1 != X2
            & ~ r2(X0,X2) )
          | ( X1 = X2
            & r2(X0,X2) ) )
     => ! [X2] :
          ( ( sK8(X0) != X2
            & ~ r2(X0,X2) )
          | ( sK8(X0) = X2
            & r2(X0,X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0] :
    ? [X1] :
    ! [X2] :
      ( ( X1 != X2
        & ~ r2(X0,X2) )
      | ( X1 = X2
        & r2(X0,X2) ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X2] :
    ? [X3] :
    ! [X4] :
      ( ( r2(X2,X4)
        & X3 = X4 )
      | ( ~ r2(X2,X4)
        & X3 != X4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2) ).

fof(f107,plain,
    ! [X2,X1] :
      ( ~ r2(X1,X2)
      | ~ r1(X2) ),
    inference(equality_resolution,[],[f65]) ).

fof(f65,plain,
    ! [X2,X0,X1] :
      ( ~ r2(X1,X0)
      | ~ r1(X2)
      | X0 != X2 ),
    inference(cnf_transformation,[],[f28]) ).

fof(f28,plain,
    ! [X0,X1] :
      ( ~ r2(X1,X0)
      | ! [X2] :
          ( ~ r1(X2)
          | X0 != X2 ) ),
    inference(rectify,[],[f14]) ).

fof(f14,plain,
    ! [X1,X0] :
      ( ~ r2(X0,X1)
      | ! [X2] :
          ( ~ r1(X2)
          | X1 != X2 ) ),
    inference(rectify,[],[f11]) ).

fof(f11,axiom,
    ! [X40,X41] :
      ( ~ r2(X40,X41)
      | ! [X42] :
          ( ~ r1(X42)
          | X41 != X42 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7a) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : NUN067+2 : TPTP v8.1.0. Released v7.3.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Aug 30 09:41:11 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.46  % (14045)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)
% 0.19/0.47  % (14043)dis+1010_1:1_bs=on:ep=RS:erd=off:newcnf=on:nwc=10.0:s2a=on:sgt=32:ss=axioms:i=30:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/30Mi)
% 0.19/0.47  % (14037)lrs+10_1:1_ins=3:sp=reverse_frequency:spb=goal:to=lpo:i=3:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/3Mi)
% 0.19/0.47  % (14045)First to succeed.
% 0.19/0.47  % (14045)Refutation found. Thanks to Tanya!
% 0.19/0.47  % SZS status Theorem for theBenchmark
% 0.19/0.47  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.47  % (14045)------------------------------
% 0.19/0.47  % (14045)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.47  % (14045)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.47  % (14045)Termination reason: Refutation
% 0.19/0.47  
% 0.19/0.47  % (14045)Memory used [KB]: 6012
% 0.19/0.47  % (14045)Time elapsed: 0.066 s
% 0.19/0.47  % (14045)Instructions burned: 3 (million)
% 0.19/0.47  % (14045)------------------------------
% 0.19/0.47  % (14045)------------------------------
% 0.19/0.47  % (14022)Success in time 0.131 s
%------------------------------------------------------------------------------