TSTP Solution File: LCL531+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL531+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n013.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 07:44:55 EDT 2023

% Result   : Theorem 2.97s 1.17s
% Output   : CNFRefutation 2.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   64 (  27 unt;   0 def)
%            Number of atoms       :  120 (   5 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  101 (  45   ~;  38   |;   2   &)
%                                         (   5 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    9 (   7 usr;   7 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
%            Number of variables   :   66 (   0 sgn;  38   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ( modus_ponens
  <=> ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',modus_ponens) ).

fof(f5,axiom,
    ( implies_2
  <=> ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',implies_2) ).

fof(f9,axiom,
    ( and_3
  <=> ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',and_3) ).

fof(f35,axiom,
    modus_ponens,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_modus_ponens) ).

fof(f38,axiom,
    implies_2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_implies_2) ).

fof(f42,axiom,
    and_3,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_and_3) ).

fof(f50,axiom,
    ( necessitation
  <=> ! [X0] :
        ( is_a_theorem(X0)
       => is_a_theorem(necessarily(X0)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',necessitation) ).

fof(f66,axiom,
    ( axiom_m4
  <=> ! [X0] : is_a_theorem(strict_implies(X0,and(X0,X0))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_m4) ).

fof(f75,axiom,
    ( op_strict_implies
   => ! [X0,X1] : strict_implies(X0,X1) = necessarily(implies(X0,X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_strict_implies) ).

fof(f78,axiom,
    necessitation,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',km5_necessitation) ).

fof(f85,axiom,
    op_strict_implies,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_0_op_strict_implies) ).

fof(f88,conjecture,
    axiom_m4,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',s1_0_axiom_m4) ).

fof(f89,negated_conjecture,
    ~ axiom_m4,
    inference(negated_conjecture,[],[f88]) ).

fof(f104,plain,
    ~ axiom_m4,
    inference(flattening,[],[f89]) ).

fof(f105,plain,
    ( ! [X0] : is_a_theorem(strict_implies(X0,and(X0,X0)))
   => axiom_m4 ),
    inference(unused_predicate_definition_removal,[],[f66]) ).

fof(f109,plain,
    ( necessitation
   => ! [X0] :
        ( is_a_theorem(X0)
       => is_a_theorem(necessarily(X0)) ) ),
    inference(unused_predicate_definition_removal,[],[f50]) ).

fof(f116,plain,
    ( and_3
   => ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    inference(unused_predicate_definition_removal,[],[f9]) ).

fof(f120,plain,
    ( implies_2
   => ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f5]) ).

fof(f124,plain,
    ( modus_ponens
   => ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    inference(unused_predicate_definition_removal,[],[f1]) ).

fof(f129,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(ennf_transformation,[],[f124]) ).

fof(f130,plain,
    ( ! [X0,X1] :
        ( is_a_theorem(X1)
        | ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0) )
    | ~ modus_ponens ),
    inference(flattening,[],[f129]) ).

fof(f134,plain,
    ( ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1)))
    | ~ implies_2 ),
    inference(ennf_transformation,[],[f120]) ).

fof(f138,plain,
    ( ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1))))
    | ~ and_3 ),
    inference(ennf_transformation,[],[f116]) ).

fof(f148,plain,
    ( ! [X0] :
        ( is_a_theorem(necessarily(X0))
        | ~ is_a_theorem(X0) )
    | ~ necessitation ),
    inference(ennf_transformation,[],[f109]) ).

fof(f152,plain,
    ( axiom_m4
    | ? [X0] : ~ is_a_theorem(strict_implies(X0,and(X0,X0))) ),
    inference(ennf_transformation,[],[f105]) ).

fof(f154,plain,
    ( ! [X0,X1] : strict_implies(X0,X1) = necessarily(implies(X0,X1))
    | ~ op_strict_implies ),
    inference(ennf_transformation,[],[f75]) ).

fof(f156,plain,
    ( ? [X0] : ~ is_a_theorem(strict_implies(X0,and(X0,X0)))
   => ~ is_a_theorem(strict_implies(sK0,and(sK0,sK0))) ),
    introduced(choice_axiom,[]) ).

fof(f157,plain,
    ( axiom_m4
    | ~ is_a_theorem(strict_implies(sK0,and(sK0,sK0))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f152,f156]) ).

fof(f158,plain,
    ! [X0,X1] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | ~ modus_ponens ),
    inference(cnf_transformation,[],[f130]) ).

fof(f162,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1)))
      | ~ implies_2 ),
    inference(cnf_transformation,[],[f134]) ).

fof(f166,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(X0,implies(X1,and(X0,X1))))
      | ~ and_3 ),
    inference(cnf_transformation,[],[f138]) ).

fof(f179,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f35]) ).

fof(f182,plain,
    implies_2,
    inference(cnf_transformation,[],[f38]) ).

fof(f186,plain,
    and_3,
    inference(cnf_transformation,[],[f42]) ).

fof(f194,plain,
    ! [X0] :
      ( is_a_theorem(necessarily(X0))
      | ~ is_a_theorem(X0)
      | ~ necessitation ),
    inference(cnf_transformation,[],[f148]) ).

fof(f198,plain,
    ( axiom_m4
    | ~ is_a_theorem(strict_implies(sK0,and(sK0,sK0))) ),
    inference(cnf_transformation,[],[f157]) ).

fof(f200,plain,
    ! [X0,X1] :
      ( strict_implies(X0,X1) = necessarily(implies(X0,X1))
      | ~ op_strict_implies ),
    inference(cnf_transformation,[],[f154]) ).

fof(f203,plain,
    necessitation,
    inference(cnf_transformation,[],[f78]) ).

fof(f209,plain,
    op_strict_implies,
    inference(cnf_transformation,[],[f85]) ).

fof(f212,plain,
    ~ axiom_m4,
    inference(cnf_transformation,[],[f104]) ).

cnf(c_49,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(X0)
    | ~ modus_ponens
    | is_a_theorem(X1) ),
    inference(cnf_transformation,[],[f158]) ).

cnf(c_53,plain,
    ( ~ implies_2
    | is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    inference(cnf_transformation,[],[f162]) ).

cnf(c_57,plain,
    ( ~ and_3
    | is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    inference(cnf_transformation,[],[f166]) ).

cnf(c_70,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f179]) ).

cnf(c_73,plain,
    implies_2,
    inference(cnf_transformation,[],[f182]) ).

cnf(c_77,plain,
    and_3,
    inference(cnf_transformation,[],[f186]) ).

cnf(c_85,plain,
    ( ~ is_a_theorem(X0)
    | ~ necessitation
    | is_a_theorem(necessarily(X0)) ),
    inference(cnf_transformation,[],[f194]) ).

cnf(c_89,plain,
    ( ~ is_a_theorem(strict_implies(sK0,and(sK0,sK0)))
    | axiom_m4 ),
    inference(cnf_transformation,[],[f198]) ).

cnf(c_91,plain,
    ( ~ op_strict_implies
    | necessarily(implies(X0,X1)) = strict_implies(X0,X1) ),
    inference(cnf_transformation,[],[f200]) ).

cnf(c_94,plain,
    necessitation,
    inference(cnf_transformation,[],[f203]) ).

cnf(c_100,plain,
    op_strict_implies,
    inference(cnf_transformation,[],[f209]) ).

cnf(c_103,negated_conjecture,
    ~ axiom_m4,
    inference(cnf_transformation,[],[f212]) ).

cnf(c_131,plain,
    ~ is_a_theorem(strict_implies(sK0,and(sK0,sK0))),
    inference(global_subsumption_just,[status(thm)],[c_89,c_103,c_89]) ).

cnf(c_133,plain,
    ( ~ is_a_theorem(X0)
    | is_a_theorem(necessarily(X0)) ),
    inference(global_subsumption_just,[status(thm)],[c_85,c_94,c_85]) ).

cnf(c_160,plain,
    is_a_theorem(implies(X0,implies(X1,and(X0,X1)))),
    inference(global_subsumption_just,[status(thm)],[c_57,c_77,c_57]) ).

cnf(c_163,plain,
    necessarily(implies(X0,X1)) = strict_implies(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_91,c_100,c_91]) ).

cnf(c_172,plain,
    is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))),
    inference(global_subsumption_just,[status(thm)],[c_53,c_73,c_53]) ).

cnf(c_178,plain,
    ( ~ is_a_theorem(X0)
    | ~ is_a_theorem(implies(X0,X1))
    | is_a_theorem(X1) ),
    inference(global_subsumption_just,[status(thm)],[c_49,c_70,c_49]) ).

cnf(c_179,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | ~ is_a_theorem(X0)
    | is_a_theorem(X1) ),
    inference(renaming,[status(thm)],[c_178]) ).

cnf(c_656,plain,
    ( ~ is_a_theorem(implies(X0,X1))
    | is_a_theorem(strict_implies(X0,X1)) ),
    inference(superposition,[status(thm)],[c_163,c_133]) ).

cnf(c_935,plain,
    ( ~ is_a_theorem(implies(X0,implies(X0,X1)))
    | is_a_theorem(implies(X0,X1)) ),
    inference(superposition,[status(thm)],[c_172,c_179]) ).

cnf(c_2348,plain,
    is_a_theorem(implies(X0,and(X0,X0))),
    inference(superposition,[status(thm)],[c_160,c_935]) ).

cnf(c_2388,plain,
    is_a_theorem(strict_implies(X0,and(X0,X0))),
    inference(superposition,[status(thm)],[c_2348,c_656]) ).

cnf(c_2391,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_131,c_2388]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL531+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n013.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 00:58:17 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.19/0.46  Running first-order theorem proving
% 0.19/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 2.97/1.17  % SZS status Started for theBenchmark.p
% 2.97/1.17  % SZS status Theorem for theBenchmark.p
% 2.97/1.17  
% 2.97/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.97/1.17  
% 2.97/1.17  ------  iProver source info
% 2.97/1.17  
% 2.97/1.17  git: date: 2023-05-31 18:12:56 +0000
% 2.97/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.97/1.17  git: non_committed_changes: false
% 2.97/1.17  git: last_make_outside_of_git: false
% 2.97/1.17  
% 2.97/1.17  ------ Parsing...
% 2.97/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.97/1.17  
% 2.97/1.17  ------ Preprocessing... sup_sim: 3  sf_s  rm: 27 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 2.97/1.17  
% 2.97/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.97/1.17  
% 2.97/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.97/1.17  ------ Proving...
% 2.97/1.17  ------ Problem Properties 
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  clauses                                 26
% 2.97/1.17  conjectures                             0
% 2.97/1.17  EPR                                     0
% 2.97/1.17  Horn                                    26
% 2.97/1.17  unary                                   23
% 2.97/1.17  binary                                  2
% 2.97/1.17  lits                                    30
% 2.97/1.17  lits eq                                 7
% 2.97/1.17  fd_pure                                 0
% 2.97/1.17  fd_pseudo                               0
% 2.97/1.17  fd_cond                                 0
% 2.97/1.17  fd_pseudo_cond                          1
% 2.97/1.17  AC symbols                              0
% 2.97/1.17  
% 2.97/1.17  ------ Schedule dynamic 5 is on 
% 2.97/1.17  
% 2.97/1.17  ------ no conjectures: strip conj schedule 
% 2.97/1.17  
% 2.97/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  ------ 
% 2.97/1.17  Current options:
% 2.97/1.17  ------ 
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  ------ Proving...
% 2.97/1.17  
% 2.97/1.17  
% 2.97/1.17  % SZS status Theorem for theBenchmark.p
% 2.97/1.17  
% 2.97/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.97/1.17  
% 2.97/1.17  
%------------------------------------------------------------------------------