TSTP Solution File: SWC205+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC205+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 : n019.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 18:42:23 EDT 2022

% Result   : Theorem 0.20s 0.53s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   33 (  12 unt;   0 def)
%            Number of atoms       :  194 (  91 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  236 (  75   ~;  53   |;  92   &)
%                                         (   2 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   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   :   44 (  20   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f783,plain,
    $false,
    inference(subsumption_resolution,[],[f782,f495]) ).

fof(f495,plain,
    ssList(sK42),
    inference(cnf_transformation,[],[f313]) ).

fof(f313,plain,
    ( ssList(sK40)
    & ssList(sK41)
    & sK40 = sK42
    & sK41 = sK43
    & ( nil = sK42
      | nil != sK43 )
    & ssList(sK43)
    & ~ neq(sK40,nil)
    & neq(sK41,nil)
    & ( nil = sK43
      | nil != sK42 )
    & ssList(sK42) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK40,sK41,sK42,sK43])],[f113,f312,f311,f310,f309]) ).

fof(f309,plain,
    ( ? [X0] :
        ( ssList(X0)
        & ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ? [X3] :
                    ( X0 = X2
                    & X1 = X3
                    & ( nil = X2
                      | nil != X3 )
                    & ssList(X3)
                    & ~ neq(X0,nil)
                    & neq(X1,nil)
                    & ( nil = X3
                      | nil != X2 ) )
                & ssList(X2) ) ) )
   => ( ssList(sK40)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( sK40 = X2
                  & X1 = X3
                  & ( nil = X2
                    | nil != X3 )
                  & ssList(X3)
                  & ~ neq(sK40,nil)
                  & neq(X1,nil)
                  & ( nil = X3
                    | nil != X2 ) )
              & ssList(X2) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f310,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ? [X3] :
                ( sK40 = X2
                & X1 = X3
                & ( nil = X2
                  | nil != X3 )
                & ssList(X3)
                & ~ neq(sK40,nil)
                & neq(X1,nil)
                & ( nil = X3
                  | nil != X2 ) )
            & ssList(X2) ) )
   => ( ssList(sK41)
      & ? [X2] :
          ( ? [X3] :
              ( sK40 = X2
              & sK41 = X3
              & ( nil = X2
                | nil != X3 )
              & ssList(X3)
              & ~ neq(sK40,nil)
              & neq(sK41,nil)
              & ( nil = X3
                | nil != X2 ) )
          & ssList(X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f311,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( sK40 = X2
            & sK41 = X3
            & ( nil = X2
              | nil != X3 )
            & ssList(X3)
            & ~ neq(sK40,nil)
            & neq(sK41,nil)
            & ( nil = X3
              | nil != X2 ) )
        & ssList(X2) )
   => ( ? [X3] :
          ( sK40 = sK42
          & sK41 = X3
          & ( nil = sK42
            | nil != X3 )
          & ssList(X3)
          & ~ neq(sK40,nil)
          & neq(sK41,nil)
          & ( nil = X3
            | nil != sK42 ) )
      & ssList(sK42) ) ),
    introduced(choice_axiom,[]) ).

fof(f312,plain,
    ( ? [X3] :
        ( sK40 = sK42
        & sK41 = X3
        & ( nil = sK42
          | nil != X3 )
        & ssList(X3)
        & ~ neq(sK40,nil)
        & neq(sK41,nil)
        & ( nil = X3
          | nil != sK42 ) )
   => ( sK40 = sK42
      & sK41 = sK43
      & ( nil = sK42
        | nil != sK43 )
      & ssList(sK43)
      & ~ neq(sK40,nil)
      & neq(sK41,nil)
      & ( nil = sK43
        | nil != sK42 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f113,plain,
    ? [X0] :
      ( ssList(X0)
      & ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( X0 = X2
                  & X1 = X3
                  & ( nil = X2
                    | nil != X3 )
                  & ssList(X3)
                  & ~ neq(X0,nil)
                  & neq(X1,nil)
                  & ( nil = X3
                    | nil != X2 ) )
              & ssList(X2) ) ) ),
    inference(flattening,[],[f112]) ).

fof(f112,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( nil = X3
                    | nil != X2 )
                  & ~ neq(X0,nil)
                  & X1 = X3
                  & X0 = X2
                  & ( nil = X2
                    | nil != X3 )
                  & neq(X1,nil)
                  & 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)
                   => ( ( nil = X2
                        & nil != X3 )
                      | neq(X0,nil)
                      | X1 != X3
                      | X0 != X2
                      | ( nil = X3
                        & nil != X2 )
                      | ~ neq(X1,nil) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f782,plain,
    ~ ssList(sK42),
    inference(subsumption_resolution,[],[f781,f546]) ).

fof(f546,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax17) ).

fof(f781,plain,
    ( ~ ssList(nil)
    | ~ ssList(sK42) ),
    inference(subsumption_resolution,[],[f740,f559]) ).

fof(f559,plain,
    ~ neq(sK42,nil),
    inference(definition_unfolding,[],[f498,f502]) ).

fof(f502,plain,
    sK40 = sK42,
    inference(cnf_transformation,[],[f313]) ).

fof(f498,plain,
    ~ neq(sK40,nil),
    inference(cnf_transformation,[],[f313]) ).

fof(f740,plain,
    ( neq(sK42,nil)
    | ~ ssList(nil)
    | ~ ssList(sK42) ),
    inference(extensionality_resolution,[],[f355,f599]) ).

fof(f599,plain,
    nil != sK42,
    inference(subsumption_resolution,[],[f598,f546]) ).

fof(f598,plain,
    ( nil != sK42
    | ~ ssList(nil) ),
    inference(resolution,[],[f591,f595]) ).

fof(f595,plain,
    ( neq(nil,nil)
    | nil != sK42 ),
    inference(superposition,[],[f560,f496]) ).

fof(f496,plain,
    ( nil = sK43
    | nil != sK42 ),
    inference(cnf_transformation,[],[f313]) ).

fof(f560,plain,
    neq(sK43,nil),
    inference(definition_unfolding,[],[f497,f501]) ).

fof(f501,plain,
    sK41 = sK43,
    inference(cnf_transformation,[],[f313]) ).

fof(f497,plain,
    neq(sK41,nil),
    inference(cnf_transformation,[],[f313]) ).

fof(f591,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1) ),
    inference(duplicate_literal_removal,[],[f561]) ).

fof(f561,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1)
      | ~ ssList(X1) ),
    inference(equality_resolution,[],[f354]) ).

fof(f354,plain,
    ! [X0,X1] :
      ( ~ ssList(X0)
      | X0 != X1
      | ~ neq(X0,X1)
      | ~ ssList(X1) ),
    inference(cnf_transformation,[],[f232]) ).

fof(f232,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ( ( neq(X0,X1)
              | X0 = X1 )
            & ( X0 != X1
              | ~ neq(X0,X1) ) )
          | ~ ssList(X1) ) ),
    inference(nnf_transformation,[],[f183]) ).

fof(f183,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ! [X1] :
          ( ( neq(X0,X1)
          <=> X0 != X1 )
          | ~ ssList(X1) ) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax15) ).

fof(f355,plain,
    ! [X0,X1] :
      ( neq(X0,X1)
      | X0 = X1
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f232]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem    : SWC205+1 : TPTP v8.1.0. Released v2.4.0.
% 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 : n019.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 18:37:05 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.49  % (21373)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)
% 0.20/0.49  % (21365)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)
% 0.20/0.49  % (21366)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)
% 0.20/0.50  % (21357)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)
% 0.20/0.50  % (21361)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.20/0.51  % (21374)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)
% 0.20/0.51  % (21358)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.51  % (21358)Instruction limit reached!
% 0.20/0.51  % (21358)------------------------------
% 0.20/0.51  % (21358)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.51  % (21358)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.51  % (21358)Termination reason: Unknown
% 0.20/0.51  % (21358)Termination phase: Function definition elimination
% 0.20/0.51  
% 0.20/0.51  % (21358)Memory used [KB]: 1279
% 0.20/0.51  % (21358)Time elapsed: 0.007 s
% 0.20/0.51  % (21358)Instructions burned: 8 (million)
% 0.20/0.51  % (21358)------------------------------
% 0.20/0.51  % (21358)------------------------------
% 0.20/0.52  % (21351)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)
% 0.20/0.52  % (21355)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.53  % (21356)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)
% 0.20/0.53  % (21376)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.20/0.53  TRYING [1]
% 0.20/0.53  % (21353)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 0.20/0.53  % (21352)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)
% 0.20/0.53  TRYING [2]
% 0.20/0.53  % (21362)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)
% 0.20/0.53  % (21354)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)
% 0.20/0.53  % (21373)First to succeed.
% 0.20/0.53  % (21373)Refutation found. Thanks to Tanya!
% 0.20/0.53  % SZS status Theorem for theBenchmark
% 0.20/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.53  % (21373)------------------------------
% 0.20/0.53  % (21373)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.53  % (21373)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.53  % (21373)Termination reason: Refutation
% 0.20/0.53  
% 0.20/0.53  % (21373)Memory used [KB]: 1407
% 0.20/0.53  % (21373)Time elapsed: 0.082 s
% 0.20/0.53  % (21373)Instructions burned: 20 (million)
% 0.20/0.53  % (21373)------------------------------
% 0.20/0.53  % (21373)------------------------------
% 0.20/0.53  % (21350)Success in time 0.187 s
%------------------------------------------------------------------------------