TSTP Solution File: LCL491+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL491+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n014.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 : Thu Aug 31 07:44:44 EDT 2023

% Result   : Theorem 0.87s 1.14s
% Output   : CNFRefutation 0.87s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   24 (  11 unt;   0 def)
%            Number of atoms       :   37 (   0 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   27 (  14   ~;   7   |;   0   &)
%                                         (   3 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   3 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   22 (   2 sgn;  14   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f11,axiom,
    ( or_2
  <=> ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',or_2) ).

fof(f23,axiom,
    ( r2
  <=> ! [X3,X4] : is_a_theorem(implies(X4,or(X3,X4))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',r2) ).

fof(f37,axiom,
    r2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',principia_r2) ).

fof(f45,conjecture,
    or_2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_or_2) ).

fof(f46,negated_conjecture,
    ~ or_2,
    inference(negated_conjecture,[],[f45]) ).

fof(f54,plain,
    ( r2
  <=> ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(rectify,[],[f23]) ).

fof(f58,plain,
    ~ or_2,
    inference(flattening,[],[f46]) ).

fof(f62,plain,
    ( r2
   => ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f54]) ).

fof(f64,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
   => or_2 ),
    inference(unused_predicate_definition_removal,[],[f11]) ).

fof(f70,plain,
    ( or_2
    | ? [X0,X1] : ~ is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(ennf_transformation,[],[f64]) ).

fof(f72,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1)))
    | ~ r2 ),
    inference(ennf_transformation,[],[f62]) ).

fof(f81,plain,
    ( ? [X0,X1] : ~ is_a_theorem(implies(X1,or(X0,X1)))
   => ~ is_a_theorem(implies(sK1,or(sK0,sK1))) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ( or_2
    | ~ is_a_theorem(implies(sK1,or(sK0,sK1))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f70,f81]) ).

fof(f85,plain,
    ( or_2
    | ~ is_a_theorem(implies(sK1,or(sK0,sK1))) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f87,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(X1,or(X0,X1)))
      | ~ r2 ),
    inference(cnf_transformation,[],[f72]) ).

fof(f101,plain,
    r2,
    inference(cnf_transformation,[],[f37]) ).

fof(f109,plain,
    ~ or_2,
    inference(cnf_transformation,[],[f58]) ).

cnf(c_51,plain,
    ( ~ is_a_theorem(implies(sK1,or(sK0,sK1)))
    | or_2 ),
    inference(cnf_transformation,[],[f85]) ).

cnf(c_53,plain,
    ( ~ r2
    | is_a_theorem(implies(X0,or(X1,X0))) ),
    inference(cnf_transformation,[],[f87]) ).

cnf(c_67,plain,
    r2,
    inference(cnf_transformation,[],[f101]) ).

cnf(c_75,negated_conjecture,
    ~ or_2,
    inference(cnf_transformation,[],[f109]) ).

cnf(c_87,plain,
    is_a_theorem(implies(X0,or(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_53,c_67,c_53]) ).

cnf(c_93,plain,
    ~ is_a_theorem(implies(sK1,or(sK0,sK1))),
    inference(global_subsumption_just,[status(thm)],[c_51,c_75,c_51]) ).

cnf(c_152,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_93,c_87]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL491+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n014.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 : Thu Aug 24 18:42:34 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.87/1.14  % SZS status Started for theBenchmark.p
% 0.87/1.14  % SZS status Theorem for theBenchmark.p
% 0.87/1.14  
% 0.87/1.14  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.87/1.14  
% 0.87/1.14  ------  iProver source info
% 0.87/1.14  
% 0.87/1.14  git: date: 2023-05-31 18:12:56 +0000
% 0.87/1.14  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.87/1.14  git: non_committed_changes: false
% 0.87/1.14  git: last_make_outside_of_git: false
% 0.87/1.14  
% 0.87/1.14  ------ Parsing...
% 0.87/1.14  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.87/1.14  
% 0.87/1.14  ------ Preprocessing...
% 0.87/1.14  
% 0.87/1.14  % SZS status Theorem for theBenchmark.p
% 0.87/1.14  
% 0.87/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.87/1.14  
% 0.87/1.14  
%------------------------------------------------------------------------------