TSTP Solution File: SWC007+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SWC007+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 : 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 : Tue Apr 30 15:46:19 EDT 2024

% Result   : Theorem 0.22s 0.41s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   36 (  13 unt;   0 def)
%            Number of atoms       :  201 (  90 equ)
%            Maximal formula atoms :   24 (   5 avg)
%            Number of connectives :  264 (  99   ~;  78   |;  73   &)
%                                         (   0 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-2 aty)
%            Number of variables   :   84 (  54   !;  30   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1023,plain,
    $false,
    inference(resolution,[],[f1022,f636]) ).

fof(f636,plain,
    ssList(nil),
    inference(forward_demodulation,[],[f376,f378]) ).

fof(f378,plain,
    nil = sK20,
    inference(cnf_transformation,[],[f254]) ).

fof(f254,plain,
    ( ! [X4] :
        ( ! [X5] :
            ( ! [X6] :
                ( app(X4,X6) != sK18
                | app(app(X4,X5),X6) != sK19
                | ~ ssList(X6) )
            | ~ ssList(X5) )
        | ~ ssList(X4) )
    & sK18 = sK20
    & sK19 = sK21
    & nil = sK20
    & ssList(sK21)
    & ssList(sK20)
    & ssList(sK19)
    & ssList(sK18) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK18,sK19,sK20,sK21])],[f99,f253,f252,f251,f250]) ).

fof(f250,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ! [X4] :
                        ( ! [X5] :
                            ( ! [X6] :
                                ( app(X4,X6) != X0
                                | app(app(X4,X5),X6) != X1
                                | ~ ssList(X6) )
                            | ~ ssList(X5) )
                        | ~ ssList(X4) )
                    & X0 = X2
                    & X1 = X3
                    & nil = X2
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ! [X4] :
                      ( ! [X5] :
                          ( ! [X6] :
                              ( app(X4,X6) != sK18
                              | app(app(X4,X5),X6) != X1
                              | ~ ssList(X6) )
                          | ~ ssList(X5) )
                      | ~ ssList(X4) )
                  & sK18 = X2
                  & X1 = X3
                  & nil = X2
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK18) ) ),
    introduced(choice_axiom,[]) ).

fof(f251,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ! [X4] :
                    ( ! [X5] :
                        ( ! [X6] :
                            ( app(X4,X6) != sK18
                            | app(app(X4,X5),X6) != X1
                            | ~ ssList(X6) )
                        | ~ ssList(X5) )
                    | ~ ssList(X4) )
                & sK18 = X2
                & X1 = X3
                & nil = X2
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ! [X4] :
                  ( ! [X5] :
                      ( ! [X6] :
                          ( app(X4,X6) != sK18
                          | app(app(X4,X5),X6) != sK19
                          | ~ ssList(X6) )
                      | ~ ssList(X5) )
                  | ~ ssList(X4) )
              & sK18 = X2
              & sK19 = X3
              & nil = X2
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f252,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ! [X4] :
                ( ! [X5] :
                    ( ! [X6] :
                        ( app(X4,X6) != sK18
                        | app(app(X4,X5),X6) != sK19
                        | ~ ssList(X6) )
                    | ~ ssList(X5) )
                | ~ ssList(X4) )
            & sK18 = X2
            & sK19 = X3
            & nil = X2
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ! [X4] :
              ( ! [X5] :
                  ( ! [X6] :
                      ( app(X4,X6) != sK18
                      | app(app(X4,X5),X6) != sK19
                      | ~ ssList(X6) )
                  | ~ ssList(X5) )
              | ~ ssList(X4) )
          & sK18 = sK20
          & sK19 = X3
          & nil = sK20
          & ssList(X3) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f253,plain,
    ( ? [X3] :
        ( ! [X4] :
            ( ! [X5] :
                ( ! [X6] :
                    ( app(X4,X6) != sK18
                    | app(app(X4,X5),X6) != sK19
                    | ~ ssList(X6) )
                | ~ ssList(X5) )
            | ~ ssList(X4) )
        & sK18 = sK20
        & sK19 = X3
        & nil = sK20
        & ssList(X3) )
   => ( ! [X4] :
          ( ! [X5] :
              ( ! [X6] :
                  ( app(X4,X6) != sK18
                  | app(app(X4,X5),X6) != sK19
                  | ~ ssList(X6) )
              | ~ ssList(X5) )
          | ~ ssList(X4) )
      & sK18 = sK20
      & sK19 = sK21
      & nil = sK20
      & ssList(sK21) ) ),
    introduced(choice_axiom,[]) ).

fof(f99,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ! [X4] :
                      ( ! [X5] :
                          ( ! [X6] :
                              ( app(X4,X6) != X0
                              | app(app(X4,X5),X6) != X1
                              | ~ ssList(X6) )
                          | ~ ssList(X5) )
                      | ~ ssList(X4) )
                  & X0 = X2
                  & X1 = X3
                  & nil = X2
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f98]) ).

fof(f98,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ! [X4] :
                      ( ! [X5] :
                          ( ! [X6] :
                              ( app(X4,X6) != X0
                              | app(app(X4,X5),X6) != X1
                              | ~ ssList(X6) )
                          | ~ ssList(X5) )
                      | ~ ssList(X4) )
                  & X0 = X2
                  & X1 = X3
                  & nil = 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)
                   => ( ? [X4] :
                          ( ? [X5] :
                              ( ? [X6] :
                                  ( app(X4,X6) = X0
                                  & app(app(X4,X5),X6) = X1
                                  & ssList(X6) )
                              & ssList(X5) )
                          & ssList(X4) )
                      | X0 != X2
                      | X1 != X3
                      | nil != X2 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ? [X4] :
                        ( ? [X5] :
                            ( ? [X6] :
                                ( app(X4,X6) = X0
                                & app(app(X4,X5),X6) = X1
                                & ssList(X6) )
                            & ssList(X5) )
                        & ssList(X4) )
                    | X0 != X2
                    | X1 != X3
                    | nil != X2 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

fof(f376,plain,
    ssList(sK20),
    inference(cnf_transformation,[],[f254]) ).

fof(f1022,plain,
    ~ ssList(nil),
    inference(resolution,[],[f1021,f635]) ).

fof(f635,plain,
    ssList(sK19),
    inference(forward_demodulation,[],[f377,f379]) ).

fof(f379,plain,
    sK19 = sK21,
    inference(cnf_transformation,[],[f254]) ).

fof(f377,plain,
    ssList(sK21),
    inference(cnf_transformation,[],[f254]) ).

fof(f1021,plain,
    ( ~ ssList(sK19)
    | ~ ssList(nil) ),
    inference(trivial_inequality_removal,[],[f1020]) ).

fof(f1020,plain,
    ( nil != nil
    | ~ ssList(nil)
    | ~ ssList(sK19) ),
    inference(forward_demodulation,[],[f1019,f638]) ).

fof(f638,plain,
    nil = app(nil,nil),
    inference(resolution,[],[f452,f636]) ).

fof(f452,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(X0,nil) = X0 ),
    inference(cnf_transformation,[],[f146]) ).

fof(f146,plain,
    ! [X0] :
      ( app(X0,nil) = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f84]) ).

fof(f84,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(X0,nil) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax84) ).

fof(f1019,plain,
    ( nil != app(nil,nil)
    | ~ ssList(nil)
    | ~ ssList(sK19) ),
    inference(trivial_inequality_removal,[],[f1018]) ).

fof(f1018,plain,
    ( sK19 != sK19
    | nil != app(nil,nil)
    | ~ ssList(nil)
    | ~ ssList(sK19) ),
    inference(duplicate_literal_removal,[],[f1017]) ).

fof(f1017,plain,
    ( sK19 != sK19
    | nil != app(nil,nil)
    | ~ ssList(nil)
    | ~ ssList(sK19)
    | ~ ssList(nil) ),
    inference(superposition,[],[f973,f639]) ).

fof(f639,plain,
    sK19 = app(sK19,nil),
    inference(resolution,[],[f452,f635]) ).

fof(f973,plain,
    ! [X0] :
      ( sK19 != app(sK19,X0)
      | nil != app(nil,X0)
      | ~ ssList(X0)
      | ~ ssList(sK19)
      | ~ ssList(nil) ),
    inference(superposition,[],[f634,f661]) ).

fof(f661,plain,
    sK19 = app(nil,sK19),
    inference(resolution,[],[f453,f635]) ).

fof(f453,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | app(nil,X0) = X0 ),
    inference(cnf_transformation,[],[f147]) ).

fof(f147,plain,
    ! [X0] :
      ( app(nil,X0) = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f28]) ).

fof(f28,axiom,
    ! [X0] :
      ( ssList(X0)
     => app(nil,X0) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax28) ).

fof(f634,plain,
    ! [X6,X4,X5] :
      ( app(app(X4,X5),X6) != sK19
      | nil != app(X4,X6)
      | ~ ssList(X6)
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(forward_demodulation,[],[f381,f633]) ).

fof(f633,plain,
    nil = sK18,
    inference(backward_demodulation,[],[f380,f378]) ).

fof(f380,plain,
    sK18 = sK20,
    inference(cnf_transformation,[],[f254]) ).

fof(f381,plain,
    ! [X6,X4,X5] :
      ( app(X4,X6) != sK18
      | app(app(X4,X5),X6) != sK19
      | ~ ssList(X6)
      | ~ ssList(X5)
      | ~ ssList(X4) ),
    inference(cnf_transformation,[],[f254]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.13  % Problem    : SWC007+1 : TPTP v8.1.2. Released v2.4.0.
% 0.09/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.36  % Computer : n002.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Tue Apr 30 04:26:25 EDT 2024
% 0.14/0.36  % CPUTime    : 
% 0.14/0.36  % (26820)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.38  % (26823)WARNING: value z3 for option sas not known
% 0.14/0.38  % (26824)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (26822)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.38  % (26821)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.38  % (26823)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)
% 0.14/0.38  % (26825)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)
% 0.14/0.38  % (26826)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)
% 0.14/0.38  % (26827)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)
% 0.14/0.40  TRYING [1]
% 0.14/0.40  TRYING [1]
% 0.14/0.40  TRYING [2]
% 0.14/0.40  TRYING [2]
% 0.14/0.41  TRYING [3]
% 0.14/0.41  % (26826)First to succeed.
% 0.22/0.41  % (26824)Also succeeded, but the first one will report.
% 0.22/0.41  % (26826)Refutation found. Thanks to Tanya!
% 0.22/0.41  % SZS status Theorem for theBenchmark
% 0.22/0.41  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.41  % (26826)------------------------------
% 0.22/0.41  % (26826)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.22/0.41  % (26826)Termination reason: Refutation
% 0.22/0.41  
% 0.22/0.41  % (26826)Memory used [KB]: 1652
% 0.22/0.41  % (26826)Time elapsed: 0.028 s
% 0.22/0.41  % (26826)Instructions burned: 47 (million)
% 0.22/0.41  % (26826)------------------------------
% 0.22/0.41  % (26826)------------------------------
% 0.22/0.41  % (26820)Success in time 0.036 s
%------------------------------------------------------------------------------