TSTP Solution File: SWC121+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SWC121+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n024.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 : Tue Apr 30 15:54:45 EDT 2024

% Result   : Theorem 0.12s 0.38s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   35 (   6 unt;   0 def)
%            Number of atoms       :  185 (  30 equ)
%            Maximal formula atoms :   18 (   5 avg)
%            Number of connectives :  207 (  57   ~;  50   |;  88   &)
%                                         (   0 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-4 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   60 (  32   !;  28   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1016,plain,
    $false,
    inference(resolution,[],[f1015,f695]) ).

fof(f695,plain,
    neq(sK20,nil),
    inference(duplicate_literal_removal,[],[f693]) ).

fof(f693,plain,
    ( neq(sK20,nil)
    | neq(sK20,nil) ),
    inference(resolution,[],[f377,f644]) ).

fof(f644,plain,
    ( sP0(sK19,sK20,sK19,sK20)
    | neq(sK20,nil) ),
    inference(forward_demodulation,[],[f643,f386]) ).

fof(f386,plain,
    sK19 = sK21,
    inference(cnf_transformation,[],[f257]) ).

fof(f257,plain,
    ( ( ( ~ neq(sK22,nil)
        & neq(sK20,nil) )
      | sP0(sK19,sK20,sK21,sK22) )
    & sK19 = sK21
    & sK20 = sK22
    & ssList(sK22)
    & ssList(sK21)
    & ssList(sK20)
    & ssList(sK19) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK19,sK20,sK21,sK22])],[f224,f256,f255,f254,f253]) ).

fof(f253,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ( ( ~ neq(X3,nil)
                        & neq(X1,nil) )
                      | sP0(X0,X1,X2,X3) )
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | sP0(sK19,X1,X2,X3) )
                  & sK19 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f254,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( ( ~ neq(X3,nil)
                    & neq(X1,nil) )
                  | sP0(sK19,X1,X2,X3) )
                & sK19 = X2
                & X1 = X3
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( ( ~ neq(X3,nil)
                  & neq(sK20,nil) )
                | sP0(sK19,sK20,X2,X3) )
              & sK19 = X2
              & sK20 = X3
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f255,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( ( ~ neq(X3,nil)
                & neq(sK20,nil) )
              | sP0(sK19,sK20,X2,X3) )
            & sK19 = X2
            & sK20 = X3
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( ( ~ neq(X3,nil)
              & neq(sK20,nil) )
            | sP0(sK19,sK20,sK21,X3) )
          & sK19 = sK21
          & sK20 = X3
          & ssList(X3) )
      & ssList(sK21) ) ),
    introduced(choice_axiom,[]) ).

fof(f256,plain,
    ( ? [X3] :
        ( ( ( ~ neq(X3,nil)
            & neq(sK20,nil) )
          | sP0(sK19,sK20,sK21,X3) )
        & sK19 = sK21
        & sK20 = X3
        & ssList(X3) )
   => ( ( ( ~ neq(sK22,nil)
          & neq(sK20,nil) )
        | sP0(sK19,sK20,sK21,sK22) )
      & sK19 = sK21
      & sK20 = sK22
      & ssList(sK22) ) ),
    introduced(choice_axiom,[]) ).

fof(f224,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | sP0(X0,X1,X2,X3) )
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(definition_folding,[],[f99,f223]) ).

fof(f223,plain,
    ! [X0,X1,X2,X3] :
      ( ( ( ~ segmentP(X1,X0)
          | ~ neq(X0,nil) )
        & segmentP(X3,X2)
        & neq(X2,nil)
        & neq(X1,nil) )
      | ~ sP0(X0,X1,X2,X3) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f99,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | ( ( ~ segmentP(X1,X0)
                        | ~ neq(X0,nil) )
                      & segmentP(X3,X2)
                      & neq(X2,nil)
                      & neq(X1,nil) ) )
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f98]) ).

fof(f98,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | ( ( ~ segmentP(X1,X0)
                        | ~ neq(X0,nil) )
                      & segmentP(X3,X2)
                      & neq(X2,nil)
                      & neq(X1,nil) ) )
                  & X0 = X2
                  & X1 = X3
                  & 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)
                   => ( ( ( neq(X3,nil)
                          | ~ neq(X1,nil) )
                        & ( ( segmentP(X1,X0)
                            & neq(X0,nil) )
                          | ~ segmentP(X3,X2)
                          | ~ neq(X2,nil)
                          | ~ neq(X1,nil) ) )
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f643,plain,
    ( sP0(sK19,sK20,sK21,sK20)
    | neq(sK20,nil) ),
    inference(forward_demodulation,[],[f387,f385]) ).

fof(f385,plain,
    sK20 = sK22,
    inference(cnf_transformation,[],[f257]) ).

fof(f387,plain,
    ( neq(sK20,nil)
    | sP0(sK19,sK20,sK21,sK22) ),
    inference(cnf_transformation,[],[f257]) ).

fof(f377,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | neq(X1,nil) ),
    inference(cnf_transformation,[],[f252]) ).

fof(f252,plain,
    ! [X0,X1,X2,X3] :
      ( ( ( ~ segmentP(X1,X0)
          | ~ neq(X0,nil) )
        & segmentP(X3,X2)
        & neq(X2,nil)
        & neq(X1,nil) )
      | ~ sP0(X0,X1,X2,X3) ),
    inference(nnf_transformation,[],[f223]) ).

fof(f1015,plain,
    ~ neq(sK20,nil),
    inference(resolution,[],[f1012,f697]) ).

fof(f697,plain,
    ( segmentP(sK20,sK19)
    | ~ neq(sK20,nil) ),
    inference(resolution,[],[f379,f642]) ).

fof(f642,plain,
    ( sP0(sK19,sK20,sK19,sK20)
    | ~ neq(sK20,nil) ),
    inference(forward_demodulation,[],[f641,f386]) ).

fof(f641,plain,
    ( sP0(sK19,sK20,sK21,sK20)
    | ~ neq(sK20,nil) ),
    inference(forward_demodulation,[],[f640,f385]) ).

fof(f640,plain,
    ( ~ neq(sK20,nil)
    | sP0(sK19,sK20,sK21,sK22) ),
    inference(forward_demodulation,[],[f388,f385]) ).

fof(f388,plain,
    ( ~ neq(sK22,nil)
    | sP0(sK19,sK20,sK21,sK22) ),
    inference(cnf_transformation,[],[f257]) ).

fof(f379,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | segmentP(X3,X2) ),
    inference(cnf_transformation,[],[f252]) ).

fof(f1012,plain,
    ~ segmentP(sK20,sK19),
    inference(resolution,[],[f1011,f695]) ).

fof(f1011,plain,
    ( ~ neq(sK20,nil)
    | ~ segmentP(sK20,sK19) ),
    inference(duplicate_literal_removal,[],[f1008]) ).

fof(f1008,plain,
    ( ~ segmentP(sK20,sK19)
    | ~ neq(sK20,nil)
    | ~ neq(sK20,nil) ),
    inference(resolution,[],[f1007,f696]) ).

fof(f696,plain,
    ( neq(sK19,nil)
    | ~ neq(sK20,nil) ),
    inference(resolution,[],[f378,f642]) ).

fof(f378,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | neq(X2,nil) ),
    inference(cnf_transformation,[],[f252]) ).

fof(f1007,plain,
    ( ~ neq(sK19,nil)
    | ~ segmentP(sK20,sK19)
    | ~ neq(sK20,nil) ),
    inference(resolution,[],[f380,f642]) ).

fof(f380,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | ~ neq(X0,nil)
      | ~ segmentP(X1,X0) ),
    inference(cnf_transformation,[],[f252]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.11  % Problem    : SWC121+1 : TPTP v8.1.2. Released v2.4.0.
% 0.08/0.13  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Tue Apr 30 04:09:21 EDT 2024
% 0.12/0.34  % CPUTime    : 
% 0.12/0.34  % (28656)Running in auto input_syntax mode. Trying TPTP
% 0.12/0.36  % (28659)WARNING: value z3 for option sas not known
% 0.12/0.36  % (28658)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.12/0.36  % (28660)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.12/0.36  % (28659)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.12/0.36  % (28662)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.12/0.36  % (28661)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.12/0.36  % (28663)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.12/0.36  % (28657)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.12/0.37  TRYING [1]
% 0.12/0.37  TRYING [2]
% 0.12/0.38  TRYING [1]
% 0.12/0.38  TRYING [2]
% 0.12/0.38  TRYING [1]
% 0.12/0.38  TRYING [2]
% 0.12/0.38  % (28662)First to succeed.
% 0.12/0.38  % (28659)Also succeeded, but the first one will report.
% 0.12/0.38  % (28662)Refutation found. Thanks to Tanya!
% 0.12/0.38  % SZS status Theorem for theBenchmark
% 0.12/0.38  % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.38  % (28662)------------------------------
% 0.12/0.38  % (28662)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.12/0.38  % (28662)Termination reason: Refutation
% 0.12/0.38  
% 0.12/0.38  % (28662)Memory used [KB]: 1577
% 0.12/0.38  % (28662)Time elapsed: 0.024 s
% 0.12/0.38  % (28662)Instructions burned: 45 (million)
% 0.12/0.38  % (28662)------------------------------
% 0.12/0.38  % (28662)------------------------------
% 0.12/0.38  % (28656)Success in time 0.042 s
%------------------------------------------------------------------------------