TSTP Solution File: GEO209+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : GEO209+3 : TPTP v8.1.0. Released v4.0.0.
% 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 : n018.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 16:12:18 EDT 2022

% Result   : Theorem 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   35 (   9 unt;   0 def)
%            Number of atoms       :  112 (   0 equ)
%            Maximal formula atoms :   12 (   3 avg)
%            Number of connectives :  107 (  30   ~;  22   |;  46   &)
%                                         (   3 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :   68 (  52   !;  16   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f206,plain,
    $false,
    inference(subsumption_resolution,[],[f203,f180]) ).

fof(f180,plain,
    ~ convergent_lines(sK1,sK0),
    inference(resolution,[],[f133,f164]) ).

fof(f164,plain,
    parallel_lines(sK1,sK0),
    inference(cnf_transformation,[],[f124]) ).

fof(f124,plain,
    ( parallel_lines(sK3,sK0)
    & incident_point_and_line(sK2,sK3)
    & apart_point_and_line(sK2,sK0)
    & incident_point_and_line(sK2,sK1)
    & parallel_lines(sK1,sK0)
    & ~ equal_lines(sK1,sK3) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f122,f123]) ).

fof(f123,plain,
    ( ? [X0,X1,X2,X3] :
        ( parallel_lines(X3,X0)
        & incident_point_and_line(X2,X3)
        & apart_point_and_line(X2,X0)
        & incident_point_and_line(X2,X1)
        & parallel_lines(X1,X0)
        & ~ equal_lines(X1,X3) )
   => ( parallel_lines(sK3,sK0)
      & incident_point_and_line(sK2,sK3)
      & apart_point_and_line(sK2,sK0)
      & incident_point_and_line(sK2,sK1)
      & parallel_lines(sK1,sK0)
      & ~ equal_lines(sK1,sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f122,plain,
    ? [X0,X1,X2,X3] :
      ( parallel_lines(X3,X0)
      & incident_point_and_line(X2,X3)
      & apart_point_and_line(X2,X0)
      & incident_point_and_line(X2,X1)
      & parallel_lines(X1,X0)
      & ~ equal_lines(X1,X3) ),
    inference(rectify,[],[f88]) ).

fof(f88,plain,
    ? [X3,X1,X2,X0] :
      ( parallel_lines(X0,X3)
      & incident_point_and_line(X2,X0)
      & apart_point_and_line(X2,X3)
      & incident_point_and_line(X2,X1)
      & parallel_lines(X1,X3)
      & ~ equal_lines(X1,X0) ),
    inference(flattening,[],[f87]) ).

fof(f87,plain,
    ? [X3,X0,X1,X2] :
      ( ~ equal_lines(X1,X0)
      & incident_point_and_line(X2,X1)
      & incident_point_and_line(X2,X0)
      & apart_point_and_line(X2,X3)
      & parallel_lines(X0,X3)
      & parallel_lines(X1,X3) ),
    inference(ennf_transformation,[],[f63]) ).

fof(f63,plain,
    ~ ! [X3,X0,X1,X2] :
        ( ( incident_point_and_line(X2,X1)
          & incident_point_and_line(X2,X0)
          & apart_point_and_line(X2,X3)
          & parallel_lines(X0,X3)
          & parallel_lines(X1,X3) )
       => equal_lines(X1,X0) ),
    inference(rectify,[],[f37]) ).

fof(f37,negated_conjecture,
    ~ ! [X7,X6,X8,X5] :
        ( ( parallel_lines(X6,X5)
          & incident_point_and_line(X8,X6)
          & parallel_lines(X7,X5)
          & apart_point_and_line(X8,X5)
          & incident_point_and_line(X8,X7) )
       => equal_lines(X6,X7) ),
    inference(negated_conjecture,[],[f36]) ).

fof(f36,conjecture,
    ! [X7,X6,X8,X5] :
      ( ( parallel_lines(X6,X5)
        & incident_point_and_line(X8,X6)
        & parallel_lines(X7,X5)
        & apart_point_and_line(X8,X5)
        & incident_point_and_line(X8,X7) )
     => equal_lines(X6,X7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).

fof(f133,plain,
    ! [X0,X1] :
      ( ~ parallel_lines(X0,X1)
      | ~ convergent_lines(X0,X1) ),
    inference(cnf_transformation,[],[f105]) ).

fof(f105,plain,
    ! [X0,X1] :
      ( ( ~ convergent_lines(X0,X1)
        | ~ parallel_lines(X0,X1) )
      & ( parallel_lines(X0,X1)
        | convergent_lines(X0,X1) ) ),
    inference(rectify,[],[f104]) ).

fof(f104,plain,
    ! [X1,X0] :
      ( ( ~ convergent_lines(X1,X0)
        | ~ parallel_lines(X1,X0) )
      & ( parallel_lines(X1,X0)
        | convergent_lines(X1,X0) ) ),
    inference(nnf_transformation,[],[f44]) ).

fof(f44,plain,
    ! [X1,X0] :
      ( ~ convergent_lines(X1,X0)
    <=> parallel_lines(X1,X0) ),
    inference(rectify,[],[f33]) ).

fof(f33,axiom,
    ! [X1,X0] :
      ( parallel_lines(X0,X1)
    <=> ~ convergent_lines(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a3) ).

fof(f203,plain,
    convergent_lines(sK1,sK0),
    inference(resolution,[],[f201,f181]) ).

fof(f181,plain,
    ~ convergent_lines(sK3,sK0),
    inference(resolution,[],[f133,f168]) ).

fof(f168,plain,
    parallel_lines(sK3,sK0),
    inference(cnf_transformation,[],[f124]) ).

fof(f201,plain,
    ! [X3] :
      ( convergent_lines(sK3,X3)
      | convergent_lines(sK1,X3) ),
    inference(resolution,[],[f140,f184]) ).

fof(f184,plain,
    convergent_lines(sK1,sK3),
    inference(resolution,[],[f183,f131]) ).

fof(f131,plain,
    ! [X0,X1] :
      ( ~ distinct_lines(X0,X1)
      | convergent_lines(X0,X1) ),
    inference(cnf_transformation,[],[f84]) ).

fof(f84,plain,
    ! [X0,X1] :
      ( ~ distinct_lines(X0,X1)
      | convergent_lines(X0,X1) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X1,X0] :
      ( distinct_lines(X0,X1)
     => convergent_lines(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p1) ).

fof(f183,plain,
    distinct_lines(sK1,sK3),
    inference(resolution,[],[f145,f163]) ).

fof(f163,plain,
    ~ equal_lines(sK1,sK3),
    inference(cnf_transformation,[],[f124]) ).

fof(f145,plain,
    ! [X0,X1] :
      ( equal_lines(X1,X0)
      | distinct_lines(X1,X0) ),
    inference(cnf_transformation,[],[f115]) ).

fof(f115,plain,
    ! [X0,X1] :
      ( ( ~ distinct_lines(X1,X0)
        | ~ equal_lines(X1,X0) )
      & ( equal_lines(X1,X0)
        | distinct_lines(X1,X0) ) ),
    inference(rectify,[],[f114]) ).

fof(f114,plain,
    ! [X1,X0] :
      ( ( ~ distinct_lines(X0,X1)
        | ~ equal_lines(X0,X1) )
      & ( equal_lines(X0,X1)
        | distinct_lines(X0,X1) ) ),
    inference(nnf_transformation,[],[f32]) ).

fof(f32,axiom,
    ! [X1,X0] :
      ( ~ distinct_lines(X0,X1)
    <=> equal_lines(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax2) ).

fof(f140,plain,
    ! [X2,X0,X1] :
      ( ~ convergent_lines(X0,X2)
      | convergent_lines(X2,X1)
      | convergent_lines(X0,X1) ),
    inference(cnf_transformation,[],[f110]) ).

fof(f110,plain,
    ! [X0,X1,X2] :
      ( convergent_lines(X0,X1)
      | convergent_lines(X2,X1)
      | ~ convergent_lines(X0,X2) ),
    inference(rectify,[],[f72]) ).

fof(f72,plain,
    ! [X0,X2,X1] :
      ( convergent_lines(X0,X2)
      | convergent_lines(X1,X2)
      | ~ convergent_lines(X0,X1) ),
    inference(flattening,[],[f71]) ).

fof(f71,plain,
    ! [X2,X0,X1] :
      ( convergent_lines(X1,X2)
      | convergent_lines(X0,X2)
      | ~ convergent_lines(X0,X1) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X2,X0,X1] :
      ( convergent_lines(X0,X1)
     => ( convergent_lines(X1,X2)
        | convergent_lines(X0,X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax6) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : GEO209+3 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.13  % 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 : n018.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   : Mon Aug 29 21:32:54 EDT 2022
% 0.13/0.34  % CPUTime    : 
% 0.20/0.50  % (31190)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)
% 0.20/0.51  % (31203)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)
% 0.20/0.51  % (31192)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)
% 0.20/0.51  % (31194)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.51  % (31194)First to succeed.
% 0.20/0.51  % (31203)Also succeeded, but the first one will report.
% 0.20/0.51  % (31194)Refutation found. Thanks to Tanya!
% 0.20/0.51  % SZS status Theorem for theBenchmark
% 0.20/0.51  % SZS output start Proof for theBenchmark
% See solution above
% 0.20/0.51  % (31194)------------------------------
% 0.20/0.51  % (31194)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.51  % (31194)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.51  % (31194)Termination reason: Refutation
% 0.20/0.51  
% 0.20/0.51  % (31194)Memory used [KB]: 5500
% 0.20/0.51  % (31194)Time elapsed: 0.114 s
% 0.20/0.51  % (31194)Instructions burned: 3 (million)
% 0.20/0.51  % (31194)------------------------------
% 0.20/0.51  % (31194)------------------------------
% 0.20/0.51  % (31180)Success in time 0.166 s
%------------------------------------------------------------------------------