TSTP Solution File: SWC332+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SWC332+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 : n013.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 : Sun May  5 10:25:04 EDT 2024

% Result   : Theorem 0.20s 0.40s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   67 (  17 unt;   0 def)
%            Number of atoms       :  286 (  71 equ)
%            Maximal formula atoms :   22 (   4 avg)
%            Number of connectives :  335 ( 116   ~; 103   |;  92   &)
%                                         (   6 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :   63 (  34   !;  29   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1152,plain,
    $false,
    inference(resolution,[],[f1150,f1122]) ).

fof(f1122,plain,
    segmentP(nil,nil),
    inference(backward_demodulation,[],[f1066,f1099]) ).

fof(f1099,plain,
    nil = sK18,
    inference(resolution,[],[f1096,f637]) ).

fof(f637,plain,
    ssList(sK18),
    inference(forward_demodulation,[],[f376,f379]) ).

fof(f379,plain,
    sK18 = sK20,
    inference(cnf_transformation,[],[f254]) ).

fof(f254,plain,
    ( ( ~ equalelemsP(sK18)
      | ~ segmentP(sK19,sK18) )
    & ( ~ neq(sK21,nil)
      | singletonP(sK20) )
    & segmentP(sK21,sK20)
    & sK18 = sK20
    & sK19 = sK21
    & 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] :
                    ( ( ~ equalelemsP(X0)
                      | ~ segmentP(X1,X0) )
                    & ( ~ neq(X3,nil)
                      | singletonP(X2) )
                    & segmentP(X3,X2)
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ~ equalelemsP(sK18)
                    | ~ segmentP(X1,sK18) )
                  & ( ~ neq(X3,nil)
                    | singletonP(X2) )
                  & segmentP(X3,X2)
                  & sK18 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK18) ) ),
    introduced(choice_axiom,[]) ).

fof(f251,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( ~ equalelemsP(sK18)
                  | ~ segmentP(X1,sK18) )
                & ( ~ neq(X3,nil)
                  | singletonP(X2) )
                & segmentP(X3,X2)
                & sK18 = X2
                & X1 = X3
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( ~ equalelemsP(sK18)
                | ~ segmentP(sK19,sK18) )
              & ( ~ neq(X3,nil)
                | singletonP(X2) )
              & segmentP(X3,X2)
              & sK18 = X2
              & sK19 = X3
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f252,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( ~ equalelemsP(sK18)
              | ~ segmentP(sK19,sK18) )
            & ( ~ neq(X3,nil)
              | singletonP(X2) )
            & segmentP(X3,X2)
            & sK18 = X2
            & sK19 = X3
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( ~ equalelemsP(sK18)
            | ~ segmentP(sK19,sK18) )
          & ( ~ neq(X3,nil)
            | singletonP(sK20) )
          & segmentP(X3,sK20)
          & sK18 = sK20
          & sK19 = X3
          & ssList(X3) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f253,plain,
    ( ? [X3] :
        ( ( ~ equalelemsP(sK18)
          | ~ segmentP(sK19,sK18) )
        & ( ~ neq(X3,nil)
          | singletonP(sK20) )
        & segmentP(X3,sK20)
        & sK18 = sK20
        & sK19 = X3
        & ssList(X3) )
   => ( ( ~ equalelemsP(sK18)
        | ~ segmentP(sK19,sK18) )
      & ( ~ neq(sK21,nil)
        | singletonP(sK20) )
      & segmentP(sK21,sK20)
      & sK18 = sK20
      & sK19 = sK21
      & ssList(sK21) ) ),
    introduced(choice_axiom,[]) ).

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

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

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( equalelemsP(X0)
                      & segmentP(X1,X0) )
                    | ( neq(X3,nil)
                      & ~ singletonP(X2) )
                    | ~ segmentP(X3,X2)
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

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

fof(f1096,plain,
    ( ~ ssList(sK18)
    | nil = sK18 ),
    inference(resolution,[],[f1066,f551]) ).

fof(f551,plain,
    ! [X0] :
      ( ~ segmentP(nil,X0)
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f349]) ).

fof(f349,plain,
    ! [X0] :
      ( ( ( segmentP(nil,X0)
          | nil != X0 )
        & ( nil = X0
          | ~ segmentP(nil,X0) ) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f177]) ).

fof(f177,plain,
    ! [X0] :
      ( ( segmentP(nil,X0)
      <=> nil = X0 )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f58]) ).

fof(f58,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( segmentP(nil,X0)
      <=> nil = X0 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax58) ).

fof(f1066,plain,
    segmentP(nil,sK18),
    inference(backward_demodulation,[],[f636,f1061]) ).

fof(f1061,plain,
    nil = sK21,
    inference(resolution,[],[f1060,f391]) ).

fof(f391,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax17) ).

fof(f1060,plain,
    ( ~ ssList(nil)
    | nil = sK21 ),
    inference(resolution,[],[f1059,f637]) ).

fof(f1059,plain,
    ( ~ ssList(sK18)
    | ~ ssList(nil)
    | nil = sK21 ),
    inference(resolution,[],[f1050,f377]) ).

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

fof(f1050,plain,
    ( ~ ssList(sK21)
    | nil = sK21
    | ~ ssList(nil)
    | ~ ssList(sK18) ),
    inference(duplicate_literal_removal,[],[f1047]) ).

fof(f1047,plain,
    ( ~ ssList(sK18)
    | nil = sK21
    | nil = sK21
    | ~ ssList(nil)
    | ~ ssList(sK21) ),
    inference(resolution,[],[f1046,f571]) ).

fof(f571,plain,
    ! [X0,X1] :
      ( neq(X0,X1)
      | X0 = X1
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f355]) ).

fof(f355,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( neq(X0,X1)
              | X0 = X1 )
            & ( X0 != X1
              | ~ neq(X0,X1) ) )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f198]) ).

fof(f198,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( neq(X0,X1)
          <=> X0 != X1 )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax15) ).

fof(f1046,plain,
    ( ~ neq(sK21,nil)
    | ~ ssList(sK18)
    | nil = sK21 ),
    inference(resolution,[],[f1045,f635]) ).

fof(f635,plain,
    ( singletonP(sK18)
    | ~ neq(sK21,nil) ),
    inference(forward_demodulation,[],[f381,f379]) ).

fof(f381,plain,
    ( ~ neq(sK21,nil)
    | singletonP(sK20) ),
    inference(cnf_transformation,[],[f254]) ).

fof(f1045,plain,
    ( ~ singletonP(sK18)
    | nil = sK21
    | ~ ssList(sK18) ),
    inference(resolution,[],[f1044,f465]) ).

fof(f465,plain,
    ! [X0] :
      ( ssItem(sK26(X0))
      | ~ singletonP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f284]) ).

fof(f284,plain,
    ! [X0] :
      ( ( ( singletonP(X0)
          | ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) ) )
        & ( ( cons(sK26(X0),nil) = X0
            & ssItem(sK26(X0)) )
          | ~ singletonP(X0) ) )
      | ~ ssList(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK26])],[f282,f283]) ).

fof(f283,plain,
    ! [X0] :
      ( ? [X2] :
          ( cons(X2,nil) = X0
          & ssItem(X2) )
     => ( cons(sK26(X0),nil) = X0
        & ssItem(sK26(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f282,plain,
    ! [X0] :
      ( ( ( singletonP(X0)
          | ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) ) )
        & ( ? [X2] :
              ( cons(X2,nil) = X0
              & ssItem(X2) )
          | ~ singletonP(X0) ) )
      | ~ ssList(X0) ),
    inference(rectify,[],[f281]) ).

fof(f281,plain,
    ! [X0] :
      ( ( ( singletonP(X0)
          | ! [X1] :
              ( cons(X1,nil) != X0
              | ~ ssItem(X1) ) )
        & ( ? [X1] :
              ( cons(X1,nil) = X0
              & ssItem(X1) )
          | ~ singletonP(X0) ) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f160]) ).

fof(f160,plain,
    ! [X0] :
      ( ( singletonP(X0)
      <=> ? [X1] :
            ( cons(X1,nil) = X0
            & ssItem(X1) ) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( singletonP(X0)
      <=> ? [X1] :
            ( cons(X1,nil) = X0
            & ssItem(X1) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax4) ).

fof(f1044,plain,
    ( ~ ssItem(sK26(sK18))
    | nil = sK21 ),
    inference(resolution,[],[f1043,f636]) ).

fof(f1043,plain,
    ( ~ segmentP(sK21,sK18)
    | nil = sK21
    | ~ ssItem(sK26(sK18)) ),
    inference(resolution,[],[f1025,f634]) ).

fof(f634,plain,
    ( ~ equalelemsP(sK18)
    | ~ segmentP(sK21,sK18) ),
    inference(forward_demodulation,[],[f382,f378]) ).

fof(f378,plain,
    sK19 = sK21,
    inference(cnf_transformation,[],[f254]) ).

fof(f382,plain,
    ( ~ equalelemsP(sK18)
    | ~ segmentP(sK19,sK18) ),
    inference(cnf_transformation,[],[f254]) ).

fof(f1025,plain,
    ( equalelemsP(sK18)
    | ~ ssItem(sK26(sK18))
    | nil = sK21 ),
    inference(superposition,[],[f402,f1018]) ).

fof(f1018,plain,
    ( sK18 = cons(sK26(sK18),nil)
    | nil = sK21 ),
    inference(resolution,[],[f1017,f391]) ).

fof(f1017,plain,
    ( ~ ssList(nil)
    | nil = sK21
    | sK18 = cons(sK26(sK18),nil) ),
    inference(resolution,[],[f1016,f637]) ).

fof(f1016,plain,
    ( ~ ssList(sK18)
    | nil = sK21
    | ~ ssList(nil)
    | sK18 = cons(sK26(sK18),nil) ),
    inference(resolution,[],[f970,f377]) ).

fof(f970,plain,
    ( ~ ssList(sK21)
    | ~ ssList(nil)
    | nil = sK21
    | ~ ssList(sK18)
    | sK18 = cons(sK26(sK18),nil) ),
    inference(resolution,[],[f571,f823]) ).

fof(f823,plain,
    ( ~ neq(sK21,nil)
    | ~ ssList(sK18)
    | sK18 = cons(sK26(sK18),nil) ),
    inference(resolution,[],[f466,f635]) ).

fof(f466,plain,
    ! [X0] :
      ( ~ singletonP(X0)
      | cons(sK26(X0),nil) = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f284]) ).

fof(f402,plain,
    ! [X0] :
      ( equalelemsP(cons(X0,nil))
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f110]) ).

fof(f110,plain,
    ! [X0] :
      ( equalelemsP(cons(X0,nil))
      | ~ ssItem(X0) ),
    inference(ennf_transformation,[],[f73]) ).

fof(f73,axiom,
    ! [X0] :
      ( ssItem(X0)
     => equalelemsP(cons(X0,nil)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax73) ).

fof(f636,plain,
    segmentP(sK21,sK18),
    inference(forward_demodulation,[],[f380,f379]) ).

fof(f380,plain,
    segmentP(sK21,sK20),
    inference(cnf_transformation,[],[f254]) ).

fof(f1150,plain,
    ~ segmentP(nil,nil),
    inference(resolution,[],[f1138,f390]) ).

fof(f390,plain,
    equalelemsP(nil),
    inference(cnf_transformation,[],[f74]) ).

fof(f74,axiom,
    equalelemsP(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax74) ).

fof(f1138,plain,
    ( ~ equalelemsP(nil)
    | ~ segmentP(nil,nil) ),
    inference(forward_demodulation,[],[f1120,f1099]) ).

fof(f1120,plain,
    ( ~ equalelemsP(nil)
    | ~ segmentP(nil,sK18) ),
    inference(backward_demodulation,[],[f1064,f1099]) ).

fof(f1064,plain,
    ( ~ equalelemsP(sK18)
    | ~ segmentP(nil,sK18) ),
    inference(backward_demodulation,[],[f634,f1061]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem    : SWC332+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.13  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.13/0.34  % Computer : n013.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   : Fri May  3 20:31:23 EDT 2024
% 0.13/0.34  % CPUTime    : 
% 0.13/0.34  % (17642)Running in auto input_syntax mode. Trying TPTP
% 0.13/0.36  % (17647)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)
% 0.13/0.36  % (17645)WARNING: value z3 for option sas not known
% 0.13/0.36  % (17644)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.13/0.36  % (17643)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.13/0.36  % (17646)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.13/0.36  % (17645)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)
% 0.13/0.36  % (17648)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)
% 0.13/0.36  % (17649)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)
% 0.13/0.38  TRYING [1]
% 0.13/0.38  TRYING [1]
% 0.13/0.38  TRYING [2]
% 0.13/0.38  TRYING [2]
% 0.20/0.39  % (17648)First to succeed.
% 0.20/0.39  TRYING [3]
% 0.20/0.39  % (17648)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-17642"
% 0.20/0.39  TRYING [3]
% 0.20/0.39  % (17645)Also succeeded, but the first one will report.
% 0.20/0.40  % (17648)Refutation found. Thanks to Tanya!
% 0.20/0.40  % SZS status Theorem for theBenchmark
% 0.20/0.40  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.40  % (17648)------------------------------
% 0.20/0.40  % (17648)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.20/0.40  % (17648)Termination reason: Refutation
% 0.20/0.40  
% 0.20/0.40  % (17648)Memory used [KB]: 1660
% 0.20/0.40  % (17648)Time elapsed: 0.032 s
% 0.20/0.40  % (17648)Instructions burned: 55 (million)
% 0.20/0.40  % (17642)Success in time 0.041 s
%------------------------------------------------------------------------------