TSTP Solution File: KRS088+1 by SnakeForV---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV---1.0
% Problem  : KRS088+1 : TPTP v8.1.0. Released v3.1.0.
% 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 : n023.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 17:29:39 EDT 2022

% Result   : Unsatisfiable 0.21s 0.54s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   39 (   7 unt;   0 def)
%            Number of atoms       :  143 (  10 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  169 (  65   ~;  54   |;  38   &)
%                                         (   5 <=>;   7  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-1 aty)
%            Number of variables   :   85 (  68   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f164,plain,
    $false,
    inference(subsumption_resolution,[],[f163,f108]) ).

fof(f108,plain,
    cUnsatisfiable(i2003_11_14_17_19_49673),
    inference(cnf_transformation,[],[f22]) ).

fof(f22,axiom,
    cUnsatisfiable(i2003_11_14_17_19_49673),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_7) ).

fof(f163,plain,
    ~ cUnsatisfiable(i2003_11_14_17_19_49673),
    inference(resolution,[],[f162,f149]) ).

fof(f149,plain,
    ! [X0] :
      ( ~ cp1(sK2(X0))
      | ~ cUnsatisfiable(X0) ),
    inference(duplicate_literal_removal,[],[f147]) ).

fof(f147,plain,
    ! [X0] :
      ( ~ cUnsatisfiable(X0)
      | ~ cp1(sK2(X0))
      | ~ cUnsatisfiable(X0) ),
    inference(resolution,[],[f145,f113]) ).

fof(f113,plain,
    ! [X0,X5] :
      ( ~ rinvF(sK1(X0),X5)
      | ~ cUnsatisfiable(X0)
      | ~ cp1(sK2(X5)) ),
    inference(cnf_transformation,[],[f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ( cUnsatisfiable(X0)
        | ! [X1] :
            ( ~ rf(X0,X1)
            | ( rinvF(X1,sK0(X1))
              & ! [X3] :
                  ( cp1(X3)
                  | ~ rf(sK0(X1),X3) ) )
            | ~ cp1(X1) ) )
      & ( ( rf(X0,sK1(X0))
          & ! [X5] :
              ( ~ rinvF(sK1(X0),X5)
              | ( ~ cp1(sK2(X5))
                & rf(X5,sK2(X5)) ) )
          & cp1(sK1(X0)) )
        | ~ cUnsatisfiable(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f85,f88,f87,f86]) ).

fof(f86,plain,
    ! [X1] :
      ( ? [X2] :
          ( rinvF(X1,X2)
          & ! [X3] :
              ( cp1(X3)
              | ~ rf(X2,X3) ) )
     => ( rinvF(X1,sK0(X1))
        & ! [X3] :
            ( cp1(X3)
            | ~ rf(sK0(X1),X3) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f87,plain,
    ! [X0] :
      ( ? [X4] :
          ( rf(X0,X4)
          & ! [X5] :
              ( ~ rinvF(X4,X5)
              | ? [X6] :
                  ( ~ cp1(X6)
                  & rf(X5,X6) ) )
          & cp1(X4) )
     => ( rf(X0,sK1(X0))
        & ! [X5] :
            ( ~ rinvF(sK1(X0),X5)
            | ? [X6] :
                ( ~ cp1(X6)
                & rf(X5,X6) ) )
        & cp1(sK1(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f88,plain,
    ! [X5] :
      ( ? [X6] :
          ( ~ cp1(X6)
          & rf(X5,X6) )
     => ( ~ cp1(sK2(X5))
        & rf(X5,sK2(X5)) ) ),
    introduced(choice_axiom,[]) ).

fof(f85,plain,
    ! [X0] :
      ( ( cUnsatisfiable(X0)
        | ! [X1] :
            ( ~ rf(X0,X1)
            | ? [X2] :
                ( rinvF(X1,X2)
                & ! [X3] :
                    ( cp1(X3)
                    | ~ rf(X2,X3) ) )
            | ~ cp1(X1) ) )
      & ( ? [X4] :
            ( rf(X0,X4)
            & ! [X5] :
                ( ~ rinvF(X4,X5)
                | ? [X6] :
                    ( ~ cp1(X6)
                    & rf(X5,X6) ) )
            & cp1(X4) )
        | ~ cUnsatisfiable(X0) ) ),
    inference(rectify,[],[f84]) ).

fof(f84,plain,
    ! [X0] :
      ( ( cUnsatisfiable(X0)
        | ! [X1] :
            ( ~ rf(X0,X1)
            | ? [X2] :
                ( rinvF(X1,X2)
                & ! [X3] :
                    ( cp1(X3)
                    | ~ rf(X2,X3) ) )
            | ~ cp1(X1) ) )
      & ( ? [X1] :
            ( rf(X0,X1)
            & ! [X2] :
                ( ~ rinvF(X1,X2)
                | ? [X3] :
                    ( ~ cp1(X3)
                    & rf(X2,X3) ) )
            & cp1(X1) )
        | ~ cUnsatisfiable(X0) ) ),
    inference(nnf_transformation,[],[f42]) ).

fof(f42,plain,
    ! [X0] :
      ( cUnsatisfiable(X0)
    <=> ? [X1] :
          ( rf(X0,X1)
          & ! [X2] :
              ( ~ rinvF(X1,X2)
              | ? [X3] :
                  ( ~ cp1(X3)
                  & rf(X2,X3) ) )
          & cp1(X1) ) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f29,plain,
    ! [X0] :
      ( cUnsatisfiable(X0)
    <=> ? [X1] :
          ( cp1(X1)
          & ! [X2] :
              ( rinvF(X1,X2)
             => ? [X3] :
                  ( ~ cp1(X3)
                  & rf(X2,X3) ) )
          & rf(X0,X1) ) ),
    inference(rectify,[],[f17]) ).

fof(f17,axiom,
    ! [X3] :
      ( ? [X4] :
          ( rf(X3,X4)
          & ! [X5] :
              ( rinvF(X4,X5)
             => ? [X6] :
                  ( ~ cp1(X6)
                  & rf(X5,X6) ) )
          & cp1(X4) )
    <=> cUnsatisfiable(X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2) ).

fof(f145,plain,
    ! [X0] :
      ( rinvF(sK1(X0),X0)
      | ~ cUnsatisfiable(X0) ),
    inference(resolution,[],[f124,f114]) ).

fof(f114,plain,
    ! [X0] :
      ( rf(X0,sK1(X0))
      | ~ cUnsatisfiable(X0) ),
    inference(cnf_transformation,[],[f89]) ).

fof(f124,plain,
    ! [X0,X1] :
      ( ~ rf(X0,X1)
      | rinvF(X1,X0) ),
    inference(cnf_transformation,[],[f94]) ).

fof(f94,plain,
    ! [X0,X1] :
      ( ( rf(X0,X1)
        | ~ rinvF(X1,X0) )
      & ( rinvF(X1,X0)
        | ~ rf(X0,X1) ) ),
    inference(rectify,[],[f93]) ).

fof(f93,plain,
    ! [X1,X0] :
      ( ( rf(X1,X0)
        | ~ rinvF(X0,X1) )
      & ( rinvF(X0,X1)
        | ~ rf(X1,X0) ) ),
    inference(nnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X1,X0] :
      ( rf(X1,X0)
    <=> rinvF(X0,X1) ),
    inference(rectify,[],[f19]) ).

fof(f19,axiom,
    ! [X3,X4] :
      ( rf(X4,X3)
    <=> rinvF(X3,X4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_4) ).

fof(f162,plain,
    cp1(sK2(i2003_11_14_17_19_49673)),
    inference(backward_demodulation,[],[f144,f161]) ).

fof(f161,plain,
    sK2(i2003_11_14_17_19_49673) = sK1(i2003_11_14_17_19_49673),
    inference(resolution,[],[f157,f108]) ).

fof(f157,plain,
    ! [X0] :
      ( ~ cUnsatisfiable(X0)
      | sK1(X0) = sK2(X0) ),
    inference(duplicate_literal_removal,[],[f154]) ).

fof(f154,plain,
    ! [X0] :
      ( sK1(X0) = sK2(X0)
      | ~ cUnsatisfiable(X0)
      | ~ cUnsatisfiable(X0) ),
    inference(resolution,[],[f153,f146]) ).

fof(f146,plain,
    ! [X0,X1] :
      ( ~ rf(X1,X0)
      | ~ cUnsatisfiable(X1)
      | sK1(X1) = X0 ),
    inference(resolution,[],[f127,f114]) ).

fof(f127,plain,
    ! [X2,X0,X1] :
      ( ~ rf(X1,X2)
      | X0 = X2
      | ~ rf(X1,X0) ),
    inference(cnf_transformation,[],[f96]) ).

fof(f96,plain,
    ! [X0,X1,X2] :
      ( X0 = X2
      | ~ rf(X1,X0)
      | ~ rf(X1,X2) ),
    inference(rectify,[],[f70]) ).

fof(f70,plain,
    ! [X1,X0,X2] :
      ( X1 = X2
      | ~ rf(X0,X1)
      | ~ rf(X0,X2) ),
    inference(flattening,[],[f69]) ).

fof(f69,plain,
    ! [X0,X2,X1] :
      ( X1 = X2
      | ~ rf(X0,X1)
      | ~ rf(X0,X2) ),
    inference(ennf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0,X2,X1] :
      ( ( rf(X0,X1)
        & rf(X0,X2) )
     => X1 = X2 ),
    inference(rectify,[],[f18]) ).

fof(f18,axiom,
    ! [X3,X4,X5] :
      ( ( rf(X3,X5)
        & rf(X3,X4) )
     => X4 = X5 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_3) ).

fof(f153,plain,
    ! [X0] :
      ( rf(X0,sK2(X0))
      | ~ cUnsatisfiable(X0) ),
    inference(duplicate_literal_removal,[],[f152]) ).

fof(f152,plain,
    ! [X0] :
      ( rf(X0,sK2(X0))
      | ~ cUnsatisfiable(X0)
      | ~ cUnsatisfiable(X0) ),
    inference(resolution,[],[f112,f145]) ).

fof(f112,plain,
    ! [X0,X5] :
      ( ~ rinvF(sK1(X0),X5)
      | rf(X5,sK2(X5))
      | ~ cUnsatisfiable(X0) ),
    inference(cnf_transformation,[],[f89]) ).

fof(f144,plain,
    cp1(sK1(i2003_11_14_17_19_49673)),
    inference(resolution,[],[f111,f108]) ).

fof(f111,plain,
    ! [X0] :
      ( ~ cUnsatisfiable(X0)
      | cp1(sK1(X0)) ),
    inference(cnf_transformation,[],[f89]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : KRS088+1 : TPTP v8.1.0. Released v3.1.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_uns --cores 0 -t %d %s
% 0.14/0.34  % Computer : n023.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 00:53:35 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.21/0.52  % (26639)lrs+10_5:1_br=off:fde=none:nwc=3.0:sd=1:sgt=10:sos=on:ss=axioms:urr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.53  % (26639)Refutation not found, incomplete strategy% (26639)------------------------------
% 0.21/0.53  % (26639)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.53  % (26639)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.53  % (26639)Termination reason: Refutation not found, incomplete strategy
% 0.21/0.53  
% 0.21/0.53  % (26639)Memory used [KB]: 5884
% 0.21/0.53  % (26639)Time elapsed: 0.004 s
% 0.21/0.53  % (26639)Instructions burned: 1 (million)
% 0.21/0.53  % (26639)------------------------------
% 0.21/0.53  % (26639)------------------------------
% 0.21/0.53  % (26650)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)
% 0.21/0.54  % (26650)First to succeed.
% 0.21/0.54  % (26658)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)
% 0.21/0.54  % (26650)Refutation found. Thanks to Tanya!
% 0.21/0.54  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.54  % (26650)------------------------------
% 0.21/0.54  % (26650)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.54  % (26650)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.54  % (26650)Termination reason: Refutation
% 0.21/0.54  
% 0.21/0.54  % (26650)Memory used [KB]: 6012
% 0.21/0.54  % (26650)Time elapsed: 0.126 s
% 0.21/0.54  % (26650)Instructions burned: 2 (million)
% 0.21/0.54  % (26650)------------------------------
% 0.21/0.54  % (26650)------------------------------
% 0.21/0.54  % (26635)Success in time 0.192 s
%------------------------------------------------------------------------------