TSTP Solution File: SWC209+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC209+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 : n029.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 18:42:24 EDT 2022

% Result   : Theorem 0.20s 0.55s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   31 (   7 unt;   0 def)
%            Number of atoms       :  185 (  61 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  193 (  39   ~;  39   |; 100   &)
%                                         (   3 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   4 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   32 (   8   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f642,plain,
    $false,
    inference(avatar_sat_refutation,[],[f629,f630,f632,f641]) ).

fof(f641,plain,
    ( ~ spl57_2
    | ~ spl57_6
    | spl57_7 ),
    inference(avatar_contradiction_clause,[],[f640]) ).

fof(f640,plain,
    ( $false
    | ~ spl57_2
    | ~ spl57_6
    | spl57_7 ),
    inference(resolution,[],[f638,f635]) ).

fof(f635,plain,
    ( neq(nil,nil)
    | ~ spl57_6 ),
    inference(backward_demodulation,[],[f501,f624]) ).

fof(f624,plain,
    ( nil = sK46
    | ~ spl57_6 ),
    inference(avatar_component_clause,[],[f622]) ).

fof(f622,plain,
    ( spl57_6
  <=> nil = sK46 ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_6])]) ).

fof(f501,plain,
    neq(sK46,nil),
    inference(cnf_transformation,[],[f321]) ).

fof(f321,plain,
    ( ssList(sK46)
    & ssList(sK47)
    & sK48 = sK46
    & ~ neq(sK45,nil)
    & ( ( neq(sK47,nil)
        & segmentP(sK48,sK47) )
      | ( nil = sK48
        & nil = sK47 ) )
    & neq(sK46,nil)
    & sK45 = sK47
    & ssList(sK48)
    & ssList(sK45) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK45,sK46,sK47,sK48])],[f106,f320,f319,f318,f317]) ).

fof(f317,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( X1 = X3
                    & ~ neq(X0,nil)
                    & ( ( neq(X2,nil)
                        & segmentP(X3,X2) )
                      | ( nil = X3
                        & nil = X2 ) )
                    & neq(X1,nil)
                    & X0 = X2
                    & ssList(X3) ) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( X1 = X3
                  & ~ neq(sK45,nil)
                  & ( ( neq(X2,nil)
                      & segmentP(X3,X2) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & neq(X1,nil)
                  & sK45 = X2
                  & ssList(X3) ) ) )
      & ssList(sK45) ) ),
    introduced(choice_axiom,[]) ).

fof(f318,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( X1 = X3
                & ~ neq(sK45,nil)
                & ( ( neq(X2,nil)
                    & segmentP(X3,X2) )
                  | ( nil = X3
                    & nil = X2 ) )
                & neq(X1,nil)
                & sK45 = X2
                & ssList(X3) ) ) )
   => ( ssList(sK46)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( sK46 = X3
              & ~ neq(sK45,nil)
              & ( ( neq(X2,nil)
                  & segmentP(X3,X2) )
                | ( nil = X3
                  & nil = X2 ) )
              & neq(sK46,nil)
              & sK45 = X2
              & ssList(X3) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f319,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( sK46 = X3
            & ~ neq(sK45,nil)
            & ( ( neq(X2,nil)
                & segmentP(X3,X2) )
              | ( nil = X3
                & nil = X2 ) )
            & neq(sK46,nil)
            & sK45 = X2
            & ssList(X3) ) )
   => ( ssList(sK47)
      & ? [X3] :
          ( sK46 = X3
          & ~ neq(sK45,nil)
          & ( ( neq(sK47,nil)
              & segmentP(X3,sK47) )
            | ( nil = X3
              & nil = sK47 ) )
          & neq(sK46,nil)
          & sK45 = sK47
          & ssList(X3) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f320,plain,
    ( ? [X3] :
        ( sK46 = X3
        & ~ neq(sK45,nil)
        & ( ( neq(sK47,nil)
            & segmentP(X3,sK47) )
          | ( nil = X3
            & nil = sK47 ) )
        & neq(sK46,nil)
        & sK45 = sK47
        & ssList(X3) )
   => ( sK48 = sK46
      & ~ neq(sK45,nil)
      & ( ( neq(sK47,nil)
          & segmentP(sK48,sK47) )
        | ( nil = sK48
          & nil = sK47 ) )
      & neq(sK46,nil)
      & sK45 = sK47
      & ssList(sK48) ) ),
    introduced(choice_axiom,[]) ).

fof(f106,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( X1 = X3
                  & ~ neq(X0,nil)
                  & ( ( neq(X2,nil)
                      & segmentP(X3,X2) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & neq(X1,nil)
                  & X0 = X2
                  & ssList(X3) ) ) )
      & ssList(X0) ),
    inference(flattening,[],[f105]) ).

fof(f105,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( neq(X2,nil)
                      & segmentP(X3,X2) )
                    | ( nil = X3
                      & nil = X2 ) )
                  & X1 = X3
                  & neq(X1,nil)
                  & X0 = X2
                  & ~ neq(X0,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)
                   => ( ( ( ~ segmentP(X3,X2)
                          | ~ neq(X2,nil) )
                        & ( nil != X3
                          | nil != X2 ) )
                      | X1 != X3
                      | ~ neq(X1,nil)
                      | X0 != X2
                      | neq(X0,nil) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f638,plain,
    ( ~ neq(nil,nil)
    | ~ spl57_2
    | spl57_7 ),
    inference(backward_demodulation,[],[f627,f606]) ).

fof(f606,plain,
    ( nil = sK47
    | ~ spl57_2 ),
    inference(avatar_component_clause,[],[f604]) ).

fof(f604,plain,
    ( spl57_2
  <=> nil = sK47 ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_2])]) ).

fof(f627,plain,
    ( ~ neq(sK47,nil)
    | spl57_7 ),
    inference(avatar_component_clause,[],[f626]) ).

fof(f626,plain,
    ( spl57_7
  <=> neq(sK47,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl57_7])]) ).

fof(f632,plain,
    ~ spl57_7,
    inference(avatar_split_clause,[],[f559,f626]) ).

fof(f559,plain,
    ~ neq(sK47,nil),
    inference(definition_unfolding,[],[f506,f500]) ).

fof(f500,plain,
    sK45 = sK47,
    inference(cnf_transformation,[],[f321]) ).

fof(f506,plain,
    ~ neq(sK45,nil),
    inference(cnf_transformation,[],[f321]) ).

fof(f630,plain,
    ( spl57_2
    | spl57_7 ),
    inference(avatar_split_clause,[],[f504,f626,f604]) ).

fof(f504,plain,
    ( neq(sK47,nil)
    | nil = sK47 ),
    inference(cnf_transformation,[],[f321]) ).

fof(f629,plain,
    ( spl57_6
    | spl57_7 ),
    inference(avatar_split_clause,[],[f560,f626,f622]) ).

fof(f560,plain,
    ( neq(sK47,nil)
    | nil = sK46 ),
    inference(definition_unfolding,[],[f505,f507]) ).

fof(f507,plain,
    sK48 = sK46,
    inference(cnf_transformation,[],[f321]) ).

fof(f505,plain,
    ( neq(sK47,nil)
    | nil = sK48 ),
    inference(cnf_transformation,[],[f321]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem    : SWC209+1 : TPTP v8.1.0. Released v2.4.0.
% 0.13/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % Computer : n029.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 18:44:27 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.51  % (8983)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  % (8999)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)
% 0.20/0.51  % (8979)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)
% 0.20/0.52  % (8991)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.52  % (8977)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.52  % (8980)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.52  % (8981)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.20/0.52  % (8982)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)
% 0.20/0.53  % (8983)First to succeed.
% 0.20/0.53  % (8988)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)
% 0.20/0.54  % (8992)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.20/0.54  % (8996)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)
% 0.20/0.54  % (8985)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.54  % (8995)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)
% 0.20/0.54  % (8976)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)
% 0.20/0.54  % (9001)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.20/0.54  % (8973)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)
% 0.20/0.54  % (8974)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)
% 0.20/0.54  % (8975)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)
% 0.20/0.54  % (8984)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)
% 0.20/0.54  % (8981)Instruction limit reached!
% 0.20/0.54  % (8981)------------------------------
% 0.20/0.54  % (8981)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.54  % (8981)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.54  % (8981)Termination reason: Unknown
% 0.20/0.54  % (8981)Termination phase: Unused predicate definition removal
% 0.20/0.54  
% 0.20/0.54  % (8981)Memory used [KB]: 1023
% 0.20/0.54  % (8981)Time elapsed: 0.003 s
% 0.20/0.54  % (8981)Instructions burned: 2 (million)
% 0.20/0.54  % (8981)------------------------------
% 0.20/0.54  % (8981)------------------------------
% 0.20/0.54  % (8980)Instruction limit reached!
% 0.20/0.54  % (8980)------------------------------
% 0.20/0.54  % (8980)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.54  % (8980)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.54  % (8980)Termination reason: Unknown
% 0.20/0.54  % (8980)Termination phase: Property scanning
% 0.20/0.54  
% 0.20/0.54  % (8980)Memory used [KB]: 1279
% 0.20/0.54  % (8980)Time elapsed: 0.004 s
% 0.20/0.54  % (8980)Instructions burned: 7 (million)
% 0.20/0.54  % (8980)------------------------------
% 0.20/0.54  % (8980)------------------------------
% 0.20/0.55  % (8987)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)
% 0.20/0.55  % (8997)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 0.20/0.55  % (8983)Refutation found. Thanks to Tanya!
% 0.20/0.55  % SZS status Theorem for theBenchmark
% 0.20/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.55  % (8983)------------------------------
% 0.20/0.55  % (8983)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.55  % (8983)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.55  % (8983)Termination reason: Refutation
% 0.20/0.55  
% 0.20/0.55  % (8983)Memory used [KB]: 5884
% 0.20/0.55  % (8983)Time elapsed: 0.113 s
% 0.20/0.55  % (8983)Instructions burned: 15 (million)
% 0.20/0.55  % (8983)------------------------------
% 0.20/0.55  % (8983)------------------------------
% 0.20/0.55  % (8972)Success in time 0.184 s
%------------------------------------------------------------------------------