TSTP Solution File: LCL512+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : LCL512+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n001.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 07:44:50 EDT 2023

% Result   : Theorem 1.24s 1.16s
% Output   : CNFRefutation 1.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   33 (  16 unt;   0 def)
%            Number of atoms       :   50 (   5 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   34 (  17   ~;  10   |;   0   &)
%                                         (   3 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    6 (   4 usr;   4 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   34 (   2 sgn;  20   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f13,axiom,
    ( equivalence_1
  <=> ! [X0,X1] : is_a_theorem(implies(equiv(X0,X1),implies(X0,X1))) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',equivalence_1) ).

fof(f17,axiom,
    ( kn2
  <=> ! [X3,X4] : is_a_theorem(implies(and(X3,X4),X3)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kn2) ).

fof(f31,axiom,
    ( op_equiv
   => ! [X0,X1] : equiv(X0,X1) = and(implies(X0,X1),implies(X1,X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',op_equiv) ).

fof(f37,axiom,
    kn2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rosser_kn2) ).

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

fof(f43,conjecture,
    equivalence_1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',hilbert_equivalence_1) ).

fof(f44,negated_conjecture,
    ~ equivalence_1,
    inference(negated_conjecture,[],[f43]) ).

fof(f46,plain,
    ( kn2
  <=> ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(rectify,[],[f17]) ).

fof(f56,plain,
    ~ equivalence_1,
    inference(flattening,[],[f44]) ).

fof(f58,plain,
    ( kn2
   => ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(unused_predicate_definition_removal,[],[f46]) ).

fof(f60,plain,
    ( ! [X0,X1] : is_a_theorem(implies(equiv(X0,X1),implies(X0,X1)))
   => equivalence_1 ),
    inference(unused_predicate_definition_removal,[],[f13]) ).

fof(f68,plain,
    ( equivalence_1
    | ? [X0,X1] : ~ is_a_theorem(implies(equiv(X0,X1),implies(X0,X1))) ),
    inference(ennf_transformation,[],[f60]) ).

fof(f70,plain,
    ( ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0))
    | ~ kn2 ),
    inference(ennf_transformation,[],[f58]) ).

fof(f74,plain,
    ( ! [X0,X1] : equiv(X0,X1) = and(implies(X0,X1),implies(X1,X0))
    | ~ op_equiv ),
    inference(ennf_transformation,[],[f31]) ).

fof(f75,plain,
    ( ? [X0,X1] : ~ is_a_theorem(implies(equiv(X0,X1),implies(X0,X1)))
   => ~ is_a_theorem(implies(equiv(sK0,sK1),implies(sK0,sK1))) ),
    introduced(choice_axiom,[]) ).

fof(f76,plain,
    ( equivalence_1
    | ~ is_a_theorem(implies(equiv(sK0,sK1),implies(sK0,sK1))) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f68,f75]) ).

fof(f79,plain,
    ( equivalence_1
    | ~ is_a_theorem(implies(equiv(sK0,sK1),implies(sK0,sK1))) ),
    inference(cnf_transformation,[],[f76]) ).

fof(f81,plain,
    ! [X0,X1] :
      ( is_a_theorem(implies(and(X0,X1),X0))
      | ~ kn2 ),
    inference(cnf_transformation,[],[f70]) ).

fof(f85,plain,
    ! [X0,X1] :
      ( equiv(X0,X1) = and(implies(X0,X1),implies(X1,X0))
      | ~ op_equiv ),
    inference(cnf_transformation,[],[f74]) ).

fof(f91,plain,
    kn2,
    inference(cnf_transformation,[],[f37]) ).

fof(f96,plain,
    op_equiv,
    inference(cnf_transformation,[],[f42]) ).

fof(f97,plain,
    ~ equivalence_1,
    inference(cnf_transformation,[],[f56]) ).

cnf(c_51,plain,
    ( ~ is_a_theorem(implies(equiv(sK0,sK1),implies(sK0,sK1)))
    | equivalence_1 ),
    inference(cnf_transformation,[],[f79]) ).

cnf(c_53,plain,
    ( ~ kn2
    | is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(cnf_transformation,[],[f81]) ).

cnf(c_57,plain,
    ( ~ op_equiv
    | and(implies(X0,X1),implies(X1,X0)) = equiv(X0,X1) ),
    inference(cnf_transformation,[],[f85]) ).

cnf(c_63,plain,
    kn2,
    inference(cnf_transformation,[],[f91]) ).

cnf(c_68,plain,
    op_equiv,
    inference(cnf_transformation,[],[f96]) ).

cnf(c_69,negated_conjecture,
    ~ equivalence_1,
    inference(cnf_transformation,[],[f97]) ).

cnf(c_77,plain,
    is_a_theorem(implies(and(X0,X1),X0)),
    inference(global_subsumption_just,[status(thm)],[c_53,c_63,c_53]) ).

cnf(c_83,plain,
    ~ is_a_theorem(implies(equiv(sK0,sK1),implies(sK0,sK1))),
    inference(global_subsumption_just,[status(thm)],[c_51,c_69,c_51]) ).

cnf(c_96,plain,
    and(implies(X0,X1),implies(X1,X0)) = equiv(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_57,c_68,c_57]) ).

cnf(c_389,plain,
    is_a_theorem(implies(equiv(X0,X1),implies(X0,X1))),
    inference(superposition,[status(thm)],[c_96,c_77]) ).

cnf(c_390,plain,
    $false,
    inference(backward_subsumption_resolution,[status(thm)],[c_83,c_389]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL512+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n001.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Fri Aug 25 05:46:58 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.18/0.46  Running first-order theorem proving
% 0.18/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.24/1.16  % SZS status Started for theBenchmark.p
% 1.24/1.16  % SZS status Theorem for theBenchmark.p
% 1.24/1.16  
% 1.24/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.24/1.16  
% 1.24/1.16  ------  iProver source info
% 1.24/1.16  
% 1.24/1.16  git: date: 2023-05-31 18:12:56 +0000
% 1.24/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.24/1.16  git: non_committed_changes: false
% 1.24/1.16  git: last_make_outside_of_git: false
% 1.24/1.16  
% 1.24/1.16  ------ Parsing...
% 1.24/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.24/1.16  
% 1.24/1.16  ------ Preprocessing... sup_sim: 2  sf_s  rm: 10 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 1.24/1.16  
% 1.24/1.16  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.24/1.16  
% 1.24/1.16  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.24/1.16  ------ Proving...
% 1.24/1.16  ------ Problem Properties 
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  clauses                                 9
% 1.24/1.16  conjectures                             0
% 1.24/1.16  EPR                                     0
% 1.24/1.16  Horn                                    9
% 1.24/1.16  unary                                   7
% 1.24/1.16  binary                                  1
% 1.24/1.16  lits                                    12
% 1.24/1.16  lits eq                                 4
% 1.24/1.16  fd_pure                                 0
% 1.24/1.16  fd_pseudo                               0
% 1.24/1.16  fd_cond                                 0
% 1.24/1.16  fd_pseudo_cond                          1
% 1.24/1.16  AC symbols                              0
% 1.24/1.16  
% 1.24/1.16  ------ Schedule dynamic 5 is on 
% 1.24/1.16  
% 1.24/1.16  ------ no conjectures: strip conj schedule 
% 1.24/1.16  
% 1.24/1.16  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" stripped conjectures Time Limit: 10.
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  ------ 
% 1.24/1.16  Current options:
% 1.24/1.16  ------ 
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  ------ Proving...
% 1.24/1.16  
% 1.24/1.16  
% 1.24/1.16  % SZS status Theorem for theBenchmark.p
% 1.24/1.16  
% 1.24/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.24/1.16  
% 1.24/1.16  
%------------------------------------------------------------------------------