TSTP Solution File: LCL469+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL469+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n002.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 07:44:39 EDT 2023

% Result   : Theorem 0.46s 1.16s
% Output   : CNFRefutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   42 (  21 unt;   0 def)
%            Number of atoms       :   63 (  11 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   41 (  20   ~;  13   |;   0   &)
%                                         (   3 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    7 (   5 usr;   5 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   46 (   3 sgn;  26   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f10,axiom,
    ( or_1
  <=> ! [X0,X1] : is_a_theorem(implies(X0,or(X0,X1))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',or_1) ).

fof(f20,axiom,
    ( cn2
  <=> ! [X3,X4] : is_a_theorem(implies(X3,implies(not(X3),X4))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cn2) ).

fof(f27,axiom,
    ( op_or
   => ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_or) ).

fof(f29,axiom,
    ( op_implies_and
   => ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',op_implies_and) ).

fof(f37,axiom,
    cn2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',luka_cn2) ).

fof(f40,axiom,
    op_or,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_op_or) ).

fof(f41,axiom,
    op_implies_and,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_op_implies_and) ).

fof(f43,conjecture,
    or_1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',hilbert_or_1) ).

fof(f44,negated_conjecture,
    ~ or_1,
    inference(negated_conjecture,[],[f43]) ).

fof(f49,plain,
    ( cn2
  <=> ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))) ),
    inference(rectify,[],[f20]) ).

fof(f56,plain,
    ~ or_1,
    inference(flattening,[],[f44]) ).

fof(f58,plain,
    ( cn2
   => ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1))) ),
    inference(unused_predicate_definition_removal,[],[f49]) ).

fof(f60,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X0,or(X0,X1)))
   => or_1 ),
    inference(unused_predicate_definition_removal,[],[f10]) ).

fof(f69,plain,
    ( or_1
    | ? [X0,X1] : ~ is_a_theorem(implies(X0,or(X0,X1))) ),
    inference(ennf_transformation,[],[f60]) ).

fof(f71,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X0,implies(not(X0),X1)))
    | ~ cn2 ),
    inference(ennf_transformation,[],[f58]) ).

fof(f73,plain,
    ( ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1)))
    | ~ op_or ),
    inference(ennf_transformation,[],[f27]) ).

fof(f74,plain,
    ( ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1)))
    | ~ op_implies_and ),
    inference(ennf_transformation,[],[f29]) ).

fof(f76,plain,
    ( ? [X0,X1] : ~ is_a_theorem(implies(X0,or(X0,X1)))
   => ~ is_a_theorem(implies(sK0,or(sK0,sK1))) ),
    introduced(choice_axiom,[]) ).

fof(f77,plain,
    ( or_1
    | ~ is_a_theorem(implies(sK0,or(sK0,sK1))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f69,f76]) ).

fof(f80,plain,
    ( or_1
    | ~ is_a_theorem(implies(sK0,or(sK0,sK1))) ),
    inference(cnf_transformation,[],[f77]) ).

fof(f82,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(X0,implies(not(X0),X1)))
      | ~ cn2 ),
    inference(cnf_transformation,[],[f71]) ).

fof(f84,plain,
    ! [X0,X1] :
      ( or(X0,X1) = not(and(not(X0),not(X1)))
      | ~ op_or ),
    inference(cnf_transformation,[],[f73]) ).

fof(f85,plain,
    ! [X0,X1] :
      ( implies(X0,X1) = not(and(X0,not(X1)))
      | ~ op_implies_and ),
    inference(cnf_transformation,[],[f74]) ).

fof(f91,plain,
    cn2,
    inference(cnf_transformation,[],[f37]) ).

fof(f94,plain,
    op_or,
    inference(cnf_transformation,[],[f40]) ).

fof(f95,plain,
    op_implies_and,
    inference(cnf_transformation,[],[f41]) ).

fof(f97,plain,
    ~ or_1,
    inference(cnf_transformation,[],[f56]) ).

cnf(c_51,plain,
    ( ~ is_a_theorem(implies(sK0,or(sK0,sK1)))
    | or_1 ),
    inference(cnf_transformation,[],[f80]) ).

cnf(c_53,plain,
    ( ~ cn2
    | is_a_theorem(implies(X0,implies(not(X0),X1))) ),
    inference(cnf_transformation,[],[f82]) ).

cnf(c_55,plain,
    ( ~ op_or
    | not(and(not(X0),not(X1))) = or(X0,X1) ),
    inference(cnf_transformation,[],[f84]) ).

cnf(c_56,plain,
    ( ~ op_implies_and
    | not(and(X0,not(X1))) = implies(X0,X1) ),
    inference(cnf_transformation,[],[f85]) ).

cnf(c_62,plain,
    cn2,
    inference(cnf_transformation,[],[f91]) ).

cnf(c_65,plain,
    op_or,
    inference(cnf_transformation,[],[f94]) ).

cnf(c_66,plain,
    op_implies_and,
    inference(cnf_transformation,[],[f95]) ).

cnf(c_68,negated_conjecture,
    ~ or_1,
    inference(cnf_transformation,[],[f97]) ).

cnf(c_76,plain,
    ~ is_a_theorem(implies(sK0,or(sK0,sK1))),
    inference(global_subsumption_just,[status(thm)],[c_51,c_68,c_51]) ).

cnf(c_81,plain,
    is_a_theorem(implies(X0,implies(not(X0),X1))),
    inference(global_subsumption_just,[status(thm)],[c_53,c_62,c_53]) ).

cnf(c_87,plain,
    not(and(X0,not(X1))) = implies(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_56,c_66,c_56]) ).

cnf(c_92,plain,
    not(and(not(X0),not(X1))) = or(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_55,c_65,c_55]) ).

cnf(c_151,plain,
    implies(not(X0),X1) = or(X0,X1),
    inference(demodulation,[status(thm)],[c_92,c_87]) ).

cnf(c_153,plain,
    is_a_theorem(implies(X0,or(X0,X1))),
    inference(demodulation,[status(thm)],[c_81,c_151]) ).

cnf(c_154,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_76,c_153]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL469+1 : TPTP v8.1.2. Released v3.3.0.
% 0.07/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n002.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 Aug 25 04:09:17 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.19/0.47  Running first-order theorem proving
% 0.19/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.46/1.16  % SZS status Started for theBenchmark.p
% 0.46/1.16  % SZS status Theorem for theBenchmark.p
% 0.46/1.16  
% 0.46/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.46/1.16  
% 0.46/1.16  ------  iProver source info
% 0.46/1.16  
% 0.46/1.16  git: date: 2023-05-31 18:12:56 +0000
% 0.46/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.46/1.16  git: non_committed_changes: false
% 0.46/1.16  git: last_make_outside_of_git: false
% 0.46/1.16  
% 0.46/1.16  ------ Parsing...
% 0.46/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.46/1.16  
% 0.46/1.16  ------ Preprocessing...
% 0.46/1.16  
% 0.46/1.16  % SZS status Theorem for theBenchmark.p
% 0.46/1.16  
% 0.46/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.46/1.16  
% 0.46/1.16  
%------------------------------------------------------------------------------