TSTP Solution File: SWC044+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC044+1 : TPTP v8.1.0. Released v2.4.0.
% 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 : n008.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 18:41:22 EDT 2022

% Result   : Theorem 1.44s 0.54s
% Output   : Refutation 1.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   27 (  12 unt;   0 def)
%            Number of atoms       :  136 (  66 equ)
%            Maximal formula atoms :   18 (   5 avg)
%            Number of connectives :  141 (  32   ~;  17   |;  77   &)
%                                         (   2 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   37 (  13   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f678,plain,
    $false,
    inference(trivial_inequality_removal,[],[f677]) ).

fof(f677,plain,
    sK17 != sK17,
    inference(superposition,[],[f559,f671]) ).

fof(f671,plain,
    sK18 = sK17,
    inference(resolution,[],[f668,f562]) ).

fof(f562,plain,
    ssList(sK18),
    inference(definition_unfolding,[],[f380,f385]) ).

fof(f385,plain,
    sK16 = sK18,
    inference(cnf_transformation,[],[f254]) ).

fof(f254,plain,
    ( ssList(sK18)
    & nil != sK16
    & ssList(sK19)
    & sK16 = sK18
    & rearsegP(sK19,sK18)
    & sK19 = sK17
    & nil = sK17
    & ssList(sK17)
    & ssList(sK16) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK16,sK17,sK18,sK19])],[f142,f253,f252,f251,f250]) ).

fof(f250,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( nil != X0
                    & ssList(X3)
                    & X0 = X2
                    & rearsegP(X3,X2)
                    & X1 = X3
                    & nil = X1 ) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( nil != sK16
                  & ssList(X3)
                  & sK16 = X2
                  & rearsegP(X3,X2)
                  & X1 = X3
                  & nil = X1 ) )
          & ssList(X1) )
      & ssList(sK16) ) ),
    introduced(choice_axiom,[]) ).

fof(f251,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( nil != sK16
                & ssList(X3)
                & sK16 = X2
                & rearsegP(X3,X2)
                & X1 = X3
                & nil = X1 ) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( nil != sK16
              & ssList(X3)
              & sK16 = X2
              & rearsegP(X3,X2)
              & sK17 = X3
              & nil = sK17 ) )
      & ssList(sK17) ) ),
    introduced(choice_axiom,[]) ).

fof(f252,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( nil != sK16
            & ssList(X3)
            & sK16 = X2
            & rearsegP(X3,X2)
            & sK17 = X3
            & nil = sK17 ) )
   => ( ssList(sK18)
      & ? [X3] :
          ( nil != sK16
          & ssList(X3)
          & sK16 = sK18
          & rearsegP(X3,sK18)
          & sK17 = X3
          & nil = sK17 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f253,plain,
    ( ? [X3] :
        ( nil != sK16
        & ssList(X3)
        & sK16 = sK18
        & rearsegP(X3,sK18)
        & sK17 = X3
        & nil = sK17 )
   => ( nil != sK16
      & ssList(sK19)
      & sK16 = sK18
      & rearsegP(sK19,sK18)
      & sK19 = sK17
      & nil = sK17 ) ),
    introduced(choice_axiom,[]) ).

fof(f142,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( nil != X0
                  & ssList(X3)
                  & X0 = X2
                  & rearsegP(X3,X2)
                  & X1 = X3
                  & nil = X1 ) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f141]) ).

fof(f141,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X0 = X2
                  & nil != X0
                  & nil = X1
                  & X1 = X3
                  & rearsegP(X3,X2)
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( X0 != X2
                      | nil = X0
                      | nil != X1
                      | X1 != X3
                      | ~ rearsegP(X3,X2) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( X0 != X2
                    | nil = X0
                    | nil != X1
                    | X1 != X3
                    | ~ rearsegP(X3,X2) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f380,plain,
    ssList(sK16),
    inference(cnf_transformation,[],[f254]) ).

fof(f668,plain,
    ( ~ ssList(sK18)
    | sK18 = sK17 ),
    inference(resolution,[],[f610,f561]) ).

fof(f561,plain,
    rearsegP(sK17,sK18),
    inference(definition_unfolding,[],[f384,f383]) ).

fof(f383,plain,
    sK19 = sK17,
    inference(cnf_transformation,[],[f254]) ).

fof(f384,plain,
    rearsegP(sK19,sK18),
    inference(cnf_transformation,[],[f254]) ).

fof(f610,plain,
    ! [X0] :
      ( ~ rearsegP(sK17,X0)
      | sK17 = X0
      | ~ ssList(X0) ),
    inference(definition_unfolding,[],[f548,f382,f382]) ).

fof(f382,plain,
    nil = sK17,
    inference(cnf_transformation,[],[f254]) ).

fof(f548,plain,
    ! [X0] :
      ( nil = X0
      | ~ rearsegP(nil,X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f345]) ).

fof(f345,plain,
    ! [X0] :
      ( ( ( nil = X0
          | ~ rearsegP(nil,X0) )
        & ( rearsegP(nil,X0)
          | nil != X0 ) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f151]) ).

fof(f151,plain,
    ! [X0] :
      ( ( nil = X0
      <=> rearsegP(nil,X0) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f52]) ).

fof(f52,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil = X0
      <=> rearsegP(nil,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax52) ).

fof(f559,plain,
    sK18 != sK17,
    inference(definition_unfolding,[],[f387,f382,f385]) ).

fof(f387,plain,
    nil != sK16,
    inference(cnf_transformation,[],[f254]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SWC044+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.13  % 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 : n008.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 18:35:40 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.50  % (7593)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.51  % (7615)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)
% 0.19/0.51  % (7601)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.51  % (7598)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)
% 0.19/0.52  % (7617)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.19/0.52  % (7592)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.19/0.53  % (7601)First to succeed.
% 0.19/0.53  % (7607)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)
% 0.19/0.53  % (7595)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.53  % (7613)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 0.19/0.53  % (7612)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 0.19/0.53  % (7603)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.53  % (7599)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.54  % (7608)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.54  % (7621)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.19/0.54  % (7597)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.19/0.54  % (7600)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.54  % (7619)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 1.44/0.54  % (7596)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.44/0.54  % (7616)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.44/0.54  % (7601)Refutation found. Thanks to Tanya!
% 1.44/0.54  % SZS status Theorem for theBenchmark
% 1.44/0.54  % SZS output start Proof for theBenchmark
% See solution above
% 1.44/0.54  % (7601)------------------------------
% 1.44/0.54  % (7601)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.44/0.54  % (7601)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.44/0.54  % (7601)Termination reason: Refutation
% 1.44/0.54  
% 1.44/0.54  % (7601)Memory used [KB]: 1535
% 1.44/0.54  % (7601)Time elapsed: 0.121 s
% 1.44/0.54  % (7601)Instructions burned: 15 (million)
% 1.44/0.54  % (7601)------------------------------
% 1.44/0.54  % (7601)------------------------------
% 1.44/0.54  % (7591)Success in time 0.192 s
%------------------------------------------------------------------------------