TSTP Solution File: GEO220+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : GEO220+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n009.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 30 23:10:26 EDT 2023

% Result   : Theorem 1.78s 1.11s
% Output   : CNFRefutation 1.78s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   22 (   7 unt;   0 def)
%            Number of atoms       :   55 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   70 (  37   ~;  12   |;  15   &)
%                                         (   0 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :   37 (   0 sgn;  24   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17,axiom,
    ! [X5,X6,X7] :
      ( ( ~ unorthogonal_lines(X5,X7)
        & ~ unorthogonal_lines(X5,X6) )
     => ~ convergent_lines(X6,X7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',couo1) ).

fof(f18,conjecture,
    ! [X5,X6,X7] :
      ( ( ~ unorthogonal_lines(X5,X7)
        & ~ unorthogonal_lines(X5,X6) )
     => ~ convergent_lines(X6,X7) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).

fof(f19,negated_conjecture,
    ~ ! [X5,X6,X7] :
        ( ( ~ unorthogonal_lines(X5,X7)
          & ~ unorthogonal_lines(X5,X6) )
       => ~ convergent_lines(X6,X7) ),
    inference(negated_conjecture,[],[f18]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( ( ~ unorthogonal_lines(X0,X2)
        & ~ unorthogonal_lines(X0,X1) )
     => ~ convergent_lines(X1,X2) ),
    inference(rectify,[],[f17]) ).

fof(f24,plain,
    ~ ! [X0,X1,X2] :
        ( ( ~ unorthogonal_lines(X0,X2)
          & ~ unorthogonal_lines(X0,X1) )
       => ~ convergent_lines(X1,X2) ),
    inference(rectify,[],[f19]) ).

fof(f46,plain,
    ! [X0,X1,X2] :
      ( ~ convergent_lines(X1,X2)
      | unorthogonal_lines(X0,X2)
      | unorthogonal_lines(X0,X1) ),
    inference(ennf_transformation,[],[f23]) ).

fof(f47,plain,
    ! [X0,X1,X2] :
      ( ~ convergent_lines(X1,X2)
      | unorthogonal_lines(X0,X2)
      | unorthogonal_lines(X0,X1) ),
    inference(flattening,[],[f46]) ).

fof(f48,plain,
    ? [X0,X1,X2] :
      ( convergent_lines(X1,X2)
      & ~ unorthogonal_lines(X0,X2)
      & ~ unorthogonal_lines(X0,X1) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f49,plain,
    ? [X0,X1,X2] :
      ( convergent_lines(X1,X2)
      & ~ unorthogonal_lines(X0,X2)
      & ~ unorthogonal_lines(X0,X1) ),
    inference(flattening,[],[f48]) ).

fof(f50,plain,
    ( ? [X0,X1,X2] :
        ( convergent_lines(X1,X2)
        & ~ unorthogonal_lines(X0,X2)
        & ~ unorthogonal_lines(X0,X1) )
   => ( convergent_lines(sK1,sK2)
      & ~ unorthogonal_lines(sK0,sK2)
      & ~ unorthogonal_lines(sK0,sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f51,plain,
    ( convergent_lines(sK1,sK2)
    & ~ unorthogonal_lines(sK0,sK2)
    & ~ unorthogonal_lines(sK0,sK1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f49,f50]) ).

fof(f71,plain,
    ! [X2,X0,X1] :
      ( ~ convergent_lines(X1,X2)
      | unorthogonal_lines(X0,X2)
      | unorthogonal_lines(X0,X1) ),
    inference(cnf_transformation,[],[f47]) ).

fof(f72,plain,
    ~ unorthogonal_lines(sK0,sK1),
    inference(cnf_transformation,[],[f51]) ).

fof(f73,plain,
    ~ unorthogonal_lines(sK0,sK2),
    inference(cnf_transformation,[],[f51]) ).

fof(f74,plain,
    convergent_lines(sK1,sK2),
    inference(cnf_transformation,[],[f51]) ).

cnf(c_68,plain,
    ( ~ convergent_lines(X0,X1)
    | unorthogonal_lines(X2,X0)
    | unorthogonal_lines(X2,X1) ),
    inference(cnf_transformation,[],[f71]) ).

cnf(c_69,negated_conjecture,
    convergent_lines(sK1,sK2),
    inference(cnf_transformation,[],[f74]) ).

cnf(c_70,negated_conjecture,
    ~ unorthogonal_lines(sK0,sK2),
    inference(cnf_transformation,[],[f73]) ).

cnf(c_71,negated_conjecture,
    ~ unorthogonal_lines(sK0,sK1),
    inference(cnf_transformation,[],[f72]) ).

cnf(c_256,plain,
    ( ~ convergent_lines(sK1,sK2)
    | unorthogonal_lines(X0,sK1)
    | unorthogonal_lines(X0,sK2) ),
    inference(instantiation,[status(thm)],[c_68]) ).

cnf(c_257,plain,
    ( ~ convergent_lines(sK1,sK2)
    | unorthogonal_lines(sK0,sK1)
    | unorthogonal_lines(sK0,sK2) ),
    inference(instantiation,[status(thm)],[c_256]) ).

cnf(c_258,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_257,c_70,c_71,c_69]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : GEO220+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.10  % Command  : run_iprover %s %d THM
% 0.10/0.30  % Computer : n009.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 300
% 0.10/0.30  % DateTime : Tue Aug 29 21:56:05 EDT 2023
% 0.10/0.30  % CPUTime  : 
% 0.15/0.40  Running first-order theorem proving
% 0.15/0.40  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.78/1.11  % SZS status Started for theBenchmark.p
% 1.78/1.11  % SZS status Theorem for theBenchmark.p
% 1.78/1.11  
% 1.78/1.11  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.78/1.11  
% 1.78/1.11  ------  iProver source info
% 1.78/1.11  
% 1.78/1.11  git: date: 2023-05-31 18:12:56 +0000
% 1.78/1.11  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.78/1.11  git: non_committed_changes: false
% 1.78/1.11  git: last_make_outside_of_git: false
% 1.78/1.11  
% 1.78/1.11  ------ Parsing...
% 1.78/1.11  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.78/1.11  
% 1.78/1.11  ------ Preprocessing... sf_s  rm: 9 0s  sf_e  pe_s  pe_e  sf_s  rm: 0 0s  sf_e  pe_s  pe_e 
% 1.78/1.11  
% 1.78/1.11  ------ Preprocessing...------  preprocesses with Option_epr_non_horn_non_eq
% 1.78/1.11   gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.78/1.11  ------ Proving...
% 1.78/1.11  ------ Problem Properties 
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  clauses                                 13
% 1.78/1.11  conjectures                             3
% 1.78/1.11  EPR                                     13
% 1.78/1.11  Horn                                    5
% 1.78/1.11  unary                                   5
% 1.78/1.11  binary                                  1
% 1.78/1.11  lits                                    31
% 1.78/1.11  lits eq                                 0
% 1.78/1.11  fd_pure                                 0
% 1.78/1.11  fd_pseudo                               0
% 1.78/1.11  fd_cond                                 0
% 1.78/1.11  fd_pseudo_cond                          0
% 1.78/1.11  AC symbols                              0
% 1.78/1.11  
% 1.78/1.11  ------ Schedule EPR non Horn non eq is on
% 1.78/1.11  
% 1.78/1.11  ------ no equalities: superposition off 
% 1.78/1.11  
% 1.78/1.11  ------ Input Options "--resolution_flag false" Time Limit: 70.
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  ------ 
% 1.78/1.11  Current options:
% 1.78/1.11  ------ 
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  ------ Proving...
% 1.78/1.11  
% 1.78/1.11  
% 1.78/1.11  % SZS status Theorem for theBenchmark.p
% 1.78/1.11  
% 1.78/1.11  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.78/1.11  
% 1.78/1.11  
%------------------------------------------------------------------------------