TSTP Solution File: SWC086+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC086+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 : n022.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 18:41:39 EDT 2022

% Result   : Theorem 0.19s 0.53s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   49 (  14 unt;   0 def)
%            Number of atoms       :  258 (  72 equ)
%            Maximal formula atoms :   30 (   5 avg)
%            Number of connectives :  301 (  92   ~;  89   |; 106   &)
%                                         (   0 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   52 (  26   !;  26   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f630,plain,
    $false,
    inference(subsumption_resolution,[],[f628,f444]) ).

fof(f444,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

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

fof(f628,plain,
    ~ ssList(nil),
    inference(resolution,[],[f627,f365]) ).

fof(f365,plain,
    ! [X0] :
      ( segmentP(X0,nil)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f121]) ).

fof(f121,plain,
    ! [X0] :
      ( segmentP(X0,nil)
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f57]) ).

fof(f57,axiom,
    ! [X0] :
      ( ssList(X0)
     => segmentP(X0,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax57) ).

fof(f627,plain,
    ~ segmentP(nil,nil),
    inference(forward_demodulation,[],[f621,f612]) ).

fof(f612,plain,
    nil = sK8,
    inference(subsumption_resolution,[],[f609,f381]) ).

fof(f381,plain,
    ssList(sK7),
    inference(cnf_transformation,[],[f241]) ).

fof(f241,plain,
    ( ssList(sK8)
    & sK10 = sK8
    & sK9 = sK7
    & ssList(sK10)
    & neq(sK8,nil)
    & ( ( nil = sK9
        & nil = sK10 )
      | ( segmentP(sK10,sK9)
        & neq(sK9,nil) ) )
    & ! [X4] :
        ( ~ neq(X4,nil)
        | ~ segmentP(sK8,X4)
        | ~ ssList(X4)
        | ~ segmentP(sK7,X4) )
    & ssList(sK9)
    & ssList(sK7) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7,sK8,sK9,sK10])],[f176,f240,f239,f238,f237]) ).

fof(f237,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ? [X3] :
                    ( X1 = X3
                    & X0 = X2
                    & ssList(X3)
                    & neq(X1,nil)
                    & ( ( nil = X2
                        & nil = X3 )
                      | ( segmentP(X3,X2)
                        & neq(X2,nil) ) )
                    & ! [X4] :
                        ( ~ neq(X4,nil)
                        | ~ segmentP(X1,X4)
                        | ~ ssList(X4)
                        | ~ segmentP(X0,X4) ) )
                & ssList(X2) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & sK7 = X2
                  & ssList(X3)
                  & neq(X1,nil)
                  & ( ( nil = X2
                      & nil = X3 )
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & ! [X4] :
                      ( ~ neq(X4,nil)
                      | ~ segmentP(X1,X4)
                      | ~ ssList(X4)
                      | ~ segmentP(sK7,X4) ) )
              & ssList(X2) ) )
      & ssList(sK7) ) ),
    introduced(choice_axiom,[]) ).

fof(f238,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ? [X3] :
                ( X1 = X3
                & sK7 = X2
                & ssList(X3)
                & neq(X1,nil)
                & ( ( nil = X2
                    & nil = X3 )
                  | ( segmentP(X3,X2)
                    & neq(X2,nil) ) )
                & ! [X4] :
                    ( ~ neq(X4,nil)
                    | ~ segmentP(X1,X4)
                    | ~ ssList(X4)
                    | ~ segmentP(sK7,X4) ) )
            & ssList(X2) ) )
   => ( ssList(sK8)
      & ? [X2] :
          ( ? [X3] :
              ( sK8 = X3
              & sK7 = X2
              & ssList(X3)
              & neq(sK8,nil)
              & ( ( nil = X2
                  & nil = X3 )
                | ( segmentP(X3,X2)
                  & neq(X2,nil) ) )
              & ! [X4] :
                  ( ~ neq(X4,nil)
                  | ~ segmentP(sK8,X4)
                  | ~ ssList(X4)
                  | ~ segmentP(sK7,X4) ) )
          & ssList(X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f239,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( sK8 = X3
            & sK7 = X2
            & ssList(X3)
            & neq(sK8,nil)
            & ( ( nil = X2
                & nil = X3 )
              | ( segmentP(X3,X2)
                & neq(X2,nil) ) )
            & ! [X4] :
                ( ~ neq(X4,nil)
                | ~ segmentP(sK8,X4)
                | ~ ssList(X4)
                | ~ segmentP(sK7,X4) ) )
        & ssList(X2) )
   => ( ? [X3] :
          ( sK8 = X3
          & sK9 = sK7
          & ssList(X3)
          & neq(sK8,nil)
          & ( ( nil = sK9
              & nil = X3 )
            | ( segmentP(X3,sK9)
              & neq(sK9,nil) ) )
          & ! [X4] :
              ( ~ neq(X4,nil)
              | ~ segmentP(sK8,X4)
              | ~ ssList(X4)
              | ~ segmentP(sK7,X4) ) )
      & ssList(sK9) ) ),
    introduced(choice_axiom,[]) ).

fof(f240,plain,
    ( ? [X3] :
        ( sK8 = X3
        & sK9 = sK7
        & ssList(X3)
        & neq(sK8,nil)
        & ( ( nil = sK9
            & nil = X3 )
          | ( segmentP(X3,sK9)
            & neq(sK9,nil) ) )
        & ! [X4] :
            ( ~ neq(X4,nil)
            | ~ segmentP(sK8,X4)
            | ~ ssList(X4)
            | ~ segmentP(sK7,X4) ) )
   => ( sK10 = sK8
      & sK9 = sK7
      & ssList(sK10)
      & neq(sK8,nil)
      & ( ( nil = sK9
          & nil = sK10 )
        | ( segmentP(sK10,sK9)
          & neq(sK9,nil) ) )
      & ! [X4] :
          ( ~ neq(X4,nil)
          | ~ segmentP(sK8,X4)
          | ~ ssList(X4)
          | ~ segmentP(sK7,X4) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f176,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & X0 = X2
                  & ssList(X3)
                  & neq(X1,nil)
                  & ( ( nil = X2
                      & nil = X3 )
                    | ( segmentP(X3,X2)
                      & neq(X2,nil) ) )
                  & ! [X4] :
                      ( ~ neq(X4,nil)
                      | ~ segmentP(X1,X4)
                      | ~ ssList(X4)
                      | ~ segmentP(X0,X4) ) )
              & ssList(X2) ) )
      & ssList(X0) ),
    inference(flattening,[],[f175]) ).

fof(f175,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & ! [X4] :
                      ( ~ neq(X4,nil)
                      | ~ segmentP(X1,X4)
                      | ~ ssList(X4)
                      | ~ segmentP(X0,X4) )
                  & neq(X1,nil)
                  & X0 = X2
                  & ( ( nil = X2
                      & nil = X3 )
                    | ( segmentP(X3,X2)
                      & neq(X2,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
                      | ? [X4] :
                          ( segmentP(X1,X4)
                          & segmentP(X0,X4)
                          & neq(X4,nil)
                          & ssList(X4) )
                      | ~ neq(X1,nil)
                      | X0 != X2
                      | ( ( ~ segmentP(X3,X2)
                          | ~ neq(X2,nil) )
                        & ( nil != X3
                          | nil != X2 ) ) ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

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

fof(f609,plain,
    ( ~ ssList(sK7)
    | nil = sK8 ),
    inference(resolution,[],[f492,f604]) ).

fof(f604,plain,
    ( ~ segmentP(sK7,sK7)
    | nil = sK8 ),
    inference(subsumption_resolution,[],[f603,f562]) ).

fof(f562,plain,
    ( segmentP(sK8,sK7)
    | nil = sK8 ),
    inference(definition_unfolding,[],[f385,f391,f391,f390]) ).

fof(f390,plain,
    sK9 = sK7,
    inference(cnf_transformation,[],[f241]) ).

fof(f391,plain,
    sK10 = sK8,
    inference(cnf_transformation,[],[f241]) ).

fof(f385,plain,
    ( nil = sK10
    | segmentP(sK10,sK9) ),
    inference(cnf_transformation,[],[f241]) ).

fof(f603,plain,
    ( ~ segmentP(sK7,sK7)
    | ~ segmentP(sK8,sK7)
    | nil = sK8 ),
    inference(subsumption_resolution,[],[f600,f381]) ).

fof(f600,plain,
    ( nil = sK8
    | ~ ssList(sK7)
    | ~ segmentP(sK8,sK7)
    | ~ segmentP(sK7,sK7) ),
    inference(resolution,[],[f383,f563]) ).

fof(f563,plain,
    ( neq(sK7,nil)
    | nil = sK8 ),
    inference(definition_unfolding,[],[f384,f391,f390]) ).

fof(f384,plain,
    ( nil = sK10
    | neq(sK9,nil) ),
    inference(cnf_transformation,[],[f241]) ).

fof(f383,plain,
    ! [X4] :
      ( ~ neq(X4,nil)
      | ~ segmentP(sK8,X4)
      | ~ segmentP(sK7,X4)
      | ~ ssList(X4) ),
    inference(cnf_transformation,[],[f241]) ).

fof(f492,plain,
    ! [X0] :
      ( segmentP(X0,X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f127]) ).

fof(f127,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | segmentP(X0,X0) ),
    inference(ennf_transformation,[],[f55]) ).

fof(f55,axiom,
    ! [X0] :
      ( ssList(X0)
     => segmentP(X0,X0) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax55) ).

fof(f621,plain,
    ~ segmentP(nil,sK8),
    inference(forward_demodulation,[],[f611,f610]) ).

fof(f610,plain,
    nil = sK7,
    inference(subsumption_resolution,[],[f608,f381]) ).

fof(f608,plain,
    ( nil = sK7
    | ~ ssList(sK7) ),
    inference(resolution,[],[f492,f606]) ).

fof(f606,plain,
    ( ~ segmentP(sK7,sK7)
    | nil = sK7 ),
    inference(subsumption_resolution,[],[f605,f560]) ).

fof(f560,plain,
    ( segmentP(sK8,sK7)
    | nil = sK7 ),
    inference(definition_unfolding,[],[f387,f390,f391,f390]) ).

fof(f387,plain,
    ( nil = sK9
    | segmentP(sK10,sK9) ),
    inference(cnf_transformation,[],[f241]) ).

fof(f605,plain,
    ( ~ segmentP(sK8,sK7)
    | nil = sK7
    | ~ segmentP(sK7,sK7) ),
    inference(subsumption_resolution,[],[f601,f381]) ).

fof(f601,plain,
    ( ~ segmentP(sK8,sK7)
    | nil = sK7
    | ~ ssList(sK7)
    | ~ segmentP(sK7,sK7) ),
    inference(resolution,[],[f383,f561]) ).

fof(f561,plain,
    ( neq(sK7,nil)
    | nil = sK7 ),
    inference(definition_unfolding,[],[f386,f390,f390]) ).

fof(f386,plain,
    ( nil = sK9
    | neq(sK9,nil) ),
    inference(cnf_transformation,[],[f241]) ).

fof(f611,plain,
    ~ segmentP(sK7,sK8),
    inference(subsumption_resolution,[],[f607,f392]) ).

fof(f392,plain,
    ssList(sK8),
    inference(cnf_transformation,[],[f241]) ).

fof(f607,plain,
    ( ~ ssList(sK8)
    | ~ segmentP(sK7,sK8) ),
    inference(resolution,[],[f492,f602]) ).

fof(f602,plain,
    ( ~ segmentP(sK8,sK8)
    | ~ segmentP(sK7,sK8) ),
    inference(subsumption_resolution,[],[f599,f392]) ).

fof(f599,plain,
    ( ~ segmentP(sK7,sK8)
    | ~ ssList(sK8)
    | ~ segmentP(sK8,sK8) ),
    inference(resolution,[],[f383,f388]) ).

fof(f388,plain,
    neq(sK8,nil),
    inference(cnf_transformation,[],[f241]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem    : SWC086+1 : TPTP v8.1.0. Released v2.4.0.
% 0.04/0.13  % 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 : n022.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 18:12:41 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.19/0.49  % (4246)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.19/0.49  % (4238)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 0.19/0.50  % (4225)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.19/0.50  % (4223)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)
% 0.19/0.51  % (4230)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)
% 0.19/0.51  % (4233)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.19/0.51  % (4234)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.51  % (4232)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)
% 0.19/0.51  % (4222)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)
% 0.19/0.51  % (4221)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)
% 0.19/0.51  % (4243)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)
% 0.19/0.51  % (4235)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)
% 0.19/0.52  % (4249)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.19/0.52  % (4229)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 0.19/0.52  % (4229)Instruction limit reached!
% 0.19/0.52  % (4229)------------------------------
% 0.19/0.52  % (4229)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.52  % (4229)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.52  % (4229)Termination reason: Unknown
% 0.19/0.52  % (4229)Termination phase: Preprocessing 2
% 0.19/0.52  
% 0.19/0.52  % (4229)Memory used [KB]: 1023
% 0.19/0.52  % (4229)Time elapsed: 0.002 s
% 0.19/0.52  % (4229)Instructions burned: 2 (million)
% 0.19/0.52  % (4229)------------------------------
% 0.19/0.52  % (4229)------------------------------
% 0.19/0.52  % (4231)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.19/0.52  % (4241)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)
% 0.19/0.52  % (4244)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)
% 0.19/0.52  % (4247)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)
% 0.19/0.52  % (4240)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)
% 0.19/0.53  % (4237)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.19/0.53  % (4226)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)
% 0.19/0.53  % (4224)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)
% 0.19/0.53  % (4243)First to succeed.
% 0.19/0.53  TRYING [1]
% 0.19/0.53  % (4228)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.19/0.53  % (4243)Refutation found. Thanks to Tanya!
% 0.19/0.53  % SZS status Theorem for theBenchmark
% 0.19/0.53  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.53  % (4243)------------------------------
% 0.19/0.53  % (4243)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.53  % (4243)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.53  % (4243)Termination reason: Refutation
% 0.19/0.53  
% 0.19/0.53  % (4243)Memory used [KB]: 1407
% 0.19/0.53  % (4243)Time elapsed: 0.093 s
% 0.19/0.53  % (4243)Instructions burned: 12 (million)
% 0.19/0.53  % (4243)------------------------------
% 0.19/0.53  % (4243)------------------------------
% 0.19/0.53  % (4220)Success in time 0.183 s
%------------------------------------------------------------------------------