TSTP Solution File: SWC103+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC103+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 : n002.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 18:41:45 EDT 2022

% Result   : Theorem 1.44s 0.55s
% Output   : Refutation 1.44s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   22 (   6 unt;   0 def)
%            Number of atoms       :   86 (  18 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :   97 (  33   ~;  27   |;  26   &)
%                                         (   3 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   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   :   16 (   8   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f496,plain,
    $false,
    inference(avatar_sat_refutation,[],[f478,f483,f484,f495]) ).

fof(f495,plain,
    ( ~ spl51_5
    | ~ spl51_3 ),
    inference(avatar_split_clause,[],[f426,f471,f480]) ).

fof(f480,plain,
    ( spl51_5
  <=> neq(sK41,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl51_5])]) ).

fof(f471,plain,
    ( spl51_3
  <=> frontsegP(sK44,sK41) ),
    introduced(avatar_definition,[new_symbols(naming,[spl51_3])]) ).

fof(f426,plain,
    ( ~ frontsegP(sK44,sK41)
    | ~ neq(sK41,nil) ),
    inference(definition_unfolding,[],[f372,f374]) ).

fof(f374,plain,
    sK42 = sK44,
    inference(cnf_transformation,[],[f210]) ).

fof(f210,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( neq(X1,nil)
                  & X0 = X2
                  & ( ~ neq(X0,nil)
                    | ~ frontsegP(X1,X0) )
                  & ( nil = X2
                    | nil != X3 )
                  & ssList(X3)
                  & ( ( frontsegP(X3,X2)
                      & neq(X2,nil) )
                    | ~ neq(X3,nil) )
                  & X1 = X3 )
              & ssList(X2) ) )
      & ssList(X0) ),
    inference(flattening,[],[f209]) ).

fof(f209,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & ( nil = X2
                    | nil != X3 )
                  & X0 = X2
                  & ( ~ neq(X0,nil)
                    | ~ frontsegP(X1,X0) )
                  & neq(X1,nil)
                  & ( ( frontsegP(X3,X2)
                      & neq(X2,nil) )
                    | ~ neq(X3,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)
                   => ( X1 != X3
                      | ( nil = X3
                        & nil != X2 )
                      | X0 != X2
                      | ( neq(X0,nil)
                        & frontsegP(X1,X0) )
                      | ~ neq(X1,nil)
                      | ( neq(X3,nil)
                        & ( ~ frontsegP(X3,X2)
                          | ~ neq(X2,nil) ) ) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f372,plain,
    ( ~ frontsegP(sK42,sK41)
    | ~ neq(sK41,nil) ),
    inference(cnf_transformation,[],[f210]) ).

fof(f484,plain,
    spl51_4,
    inference(avatar_split_clause,[],[f424,f475]) ).

fof(f475,plain,
    ( spl51_4
  <=> neq(sK44,nil) ),
    introduced(avatar_definition,[new_symbols(naming,[spl51_4])]) ).

fof(f424,plain,
    neq(sK44,nil),
    inference(definition_unfolding,[],[f377,f374]) ).

fof(f377,plain,
    neq(sK42,nil),
    inference(cnf_transformation,[],[f210]) ).

fof(f483,plain,
    ( spl51_5
    | ~ spl51_4 ),
    inference(avatar_split_clause,[],[f428,f475,f480]) ).

fof(f428,plain,
    ( ~ neq(sK44,nil)
    | neq(sK41,nil) ),
    inference(definition_unfolding,[],[f370,f376]) ).

fof(f376,plain,
    sK43 = sK41,
    inference(cnf_transformation,[],[f210]) ).

fof(f370,plain,
    ( ~ neq(sK44,nil)
    | neq(sK43,nil) ),
    inference(cnf_transformation,[],[f210]) ).

fof(f478,plain,
    ( spl51_3
    | ~ spl51_4 ),
    inference(avatar_split_clause,[],[f427,f475,f471]) ).

fof(f427,plain,
    ( ~ neq(sK44,nil)
    | frontsegP(sK44,sK41) ),
    inference(definition_unfolding,[],[f371,f376]) ).

fof(f371,plain,
    ( ~ neq(sK44,nil)
    | frontsegP(sK44,sK43) ),
    inference(cnf_transformation,[],[f210]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC103+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % 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 : n002.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 18:30:14 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.51  % (28667)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)
% 0.19/0.52  % (28678)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)
% 0.19/0.52  % (28668)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 1.33/0.52  % (28670)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)
% 1.33/0.52  % (28660)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.33/0.52  % (28664)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.33/0.52  % (28661)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)
% 1.33/0.52  % (28657)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)
% 1.33/0.52  % (28667)First to succeed.
% 1.33/0.52  % (28658)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)
% 1.33/0.53  % (28659)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)
% 1.33/0.53  % (28662)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)
% 1.33/0.53  % (28673)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.33/0.53  % (28671)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)
% 1.33/0.53  % (28682)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)
% 1.33/0.53  % (28664)Instruction limit reached!
% 1.33/0.53  % (28664)------------------------------
% 1.33/0.53  % (28664)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.33/0.53  % (28664)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.33/0.53  % (28664)Termination reason: Unknown
% 1.33/0.53  % (28664)Termination phase: Preprocessing 2
% 1.33/0.53  
% 1.33/0.53  % (28664)Memory used [KB]: 1023
% 1.33/0.53  % (28664)Time elapsed: 0.003 s
% 1.33/0.53  % (28664)Instructions burned: 2 (million)
% 1.33/0.53  % (28664)------------------------------
% 1.33/0.53  % (28664)------------------------------
% 1.33/0.53  % (28656)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)
% 1.33/0.53  % (28681)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 1.33/0.53  % (28684)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.44/0.54  % (28685)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)
% 1.44/0.54  % (28660)Also succeeded, but the first one will report.
% 1.44/0.54  % (28680)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  % (28675)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)
% 1.44/0.54  % (28676)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)
% 1.44/0.54  % (28674)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.44/0.54  % (28677)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.44/0.54  % (28665)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)
% 1.44/0.55  % (28667)Refutation found. Thanks to Tanya!
% 1.44/0.55  % SZS status Theorem for theBenchmark
% 1.44/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 1.44/0.55  % (28667)------------------------------
% 1.44/0.55  % (28667)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.44/0.55  % (28667)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.44/0.55  % (28667)Termination reason: Refutation
% 1.44/0.55  
% 1.44/0.55  % (28667)Memory used [KB]: 5756
% 1.44/0.55  % (28667)Time elapsed: 0.008 s
% 1.44/0.55  % (28667)Instructions burned: 12 (million)
% 1.44/0.55  % (28667)------------------------------
% 1.44/0.55  % (28667)------------------------------
% 1.44/0.55  % (28655)Success in time 0.198 s
%------------------------------------------------------------------------------