TSTP Solution File: SEU156+3 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU156+3 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n029.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 17:04:11 EDT 2023

% Result   : Theorem 3.14s 1.14s
% Output   : CNFRefutation 3.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   64 (  21 unt;   0 def)
%            Number of atoms       :  129 ( 128 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  109 (  44   ~;  52   |;   8   &)
%                                         (   0 <=>;   5  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   97 (   5 sgn;  56   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k2_tarski) ).

fof(f2,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tarski) ).

fof(f7,axiom,
    ! [X0,X1,X2,X3] :
      ~ ( X0 != X3
        & X0 != X2
        & unordered_pair(X0,X1) = unordered_pair(X2,X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t10_zfmisc_1) ).

fof(f8,conjecture,
    ! [X0,X1,X2,X3] :
      ( ordered_pair(X0,X1) = ordered_pair(X2,X3)
     => ( X1 = X3
        & X0 = X2 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t33_zfmisc_1) ).

fof(f9,negated_conjecture,
    ~ ! [X0,X1,X2,X3] :
        ( ordered_pair(X0,X1) = ordered_pair(X2,X3)
       => ( X1 = X3
          & X0 = X2 ) ),
    inference(negated_conjecture,[],[f8]) ).

fof(f10,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

fof(f12,axiom,
    ! [X0,X1,X2] :
      ( singleton(X0) = unordered_pair(X1,X2)
     => X0 = X1 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t8_zfmisc_1) ).

fof(f13,axiom,
    ! [X0,X1,X2] :
      ( singleton(X0) = unordered_pair(X1,X2)
     => X1 = X2 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t9_zfmisc_1) ).

fof(f15,plain,
    ! [X0,X1,X2,X3] :
      ( X0 = X3
      | X0 = X2
      | unordered_pair(X0,X1) != unordered_pair(X2,X3) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f16,plain,
    ? [X0,X1,X2,X3] :
      ( ( X1 != X3
        | X0 != X2 )
      & ordered_pair(X0,X1) = ordered_pair(X2,X3) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f18,plain,
    ! [X0,X1,X2] :
      ( X0 = X1
      | singleton(X0) != unordered_pair(X1,X2) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f19,plain,
    ! [X0,X1,X2] :
      ( X1 = X2
      | singleton(X0) != unordered_pair(X1,X2) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f24,plain,
    ( ? [X0,X1,X2,X3] :
        ( ( X1 != X3
          | X0 != X2 )
        & ordered_pair(X0,X1) = ordered_pair(X2,X3) )
   => ( ( sK3 != sK5
        | sK2 != sK4 )
      & ordered_pair(sK2,sK3) = ordered_pair(sK4,sK5) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ( ( sK3 != sK5
      | sK2 != sK4 )
    & ordered_pair(sK2,sK3) = ordered_pair(sK4,sK5) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4,sK5])],[f16,f24]) ).

fof(f26,plain,
    ! [X0,X1] : unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f1]) ).

fof(f27,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    inference(cnf_transformation,[],[f2]) ).

fof(f32,plain,
    ! [X2,X3,X0,X1] :
      ( X0 = X3
      | X0 = X2
      | unordered_pair(X0,X1) != unordered_pair(X2,X3) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f33,plain,
    ordered_pair(sK2,sK3) = ordered_pair(sK4,sK5),
    inference(cnf_transformation,[],[f25]) ).

fof(f34,plain,
    ( sK3 != sK5
    | sK2 != sK4 ),
    inference(cnf_transformation,[],[f25]) ).

fof(f35,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f10]) ).

fof(f37,plain,
    ! [X2,X0,X1] :
      ( X0 = X1
      | singleton(X0) != unordered_pair(X1,X2) ),
    inference(cnf_transformation,[],[f18]) ).

fof(f38,plain,
    ! [X2,X0,X1] :
      ( X1 = X2
      | singleton(X0) != unordered_pair(X1,X2) ),
    inference(cnf_transformation,[],[f19]) ).

fof(f39,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),unordered_pair(X0,X0)),
    inference(definition_unfolding,[],[f27,f35]) ).

fof(f41,plain,
    unordered_pair(unordered_pair(sK2,sK3),unordered_pair(sK2,sK2)) = unordered_pair(unordered_pair(sK4,sK5),unordered_pair(sK4,sK4)),
    inference(definition_unfolding,[],[f33,f39,f39]) ).

fof(f43,plain,
    ! [X2,X0,X1] :
      ( X0 = X1
      | unordered_pair(X0,X0) != unordered_pair(X1,X2) ),
    inference(definition_unfolding,[],[f37,f35]) ).

fof(f44,plain,
    ! [X2,X0,X1] :
      ( X1 = X2
      | unordered_pair(X0,X0) != unordered_pair(X1,X2) ),
    inference(definition_unfolding,[],[f38,f35]) ).

cnf(c_49,plain,
    unordered_pair(X0,X1) = unordered_pair(X1,X0),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_54,plain,
    ( unordered_pair(X0,X1) != unordered_pair(X2,X3)
    | X0 = X2
    | X0 = X3 ),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_55,negated_conjecture,
    ( sK3 != sK5
    | sK2 != sK4 ),
    inference(cnf_transformation,[],[f34]) ).

cnf(c_56,negated_conjecture,
    unordered_pair(unordered_pair(sK2,sK3),unordered_pair(sK2,sK2)) = unordered_pair(unordered_pair(sK4,sK5),unordered_pair(sK4,sK4)),
    inference(cnf_transformation,[],[f41]) ).

cnf(c_58,plain,
    ( unordered_pair(X0,X0) != unordered_pair(X1,X2)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f43]) ).

cnf(c_59,plain,
    ( unordered_pair(X0,X0) != unordered_pair(X1,X2)
    | X1 = X2 ),
    inference(cnf_transformation,[],[f44]) ).

cnf(c_61,plain,
    unordered_pair(sK2,sK2) = unordered_pair(sK2,sK2),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_113,plain,
    unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,sK3)) = unordered_pair(unordered_pair(sK4,sK4),unordered_pair(sK4,sK5)),
    inference(demodulation,[status(thm)],[c_56,c_49]) ).

cnf(c_375,plain,
    ( unordered_pair(X0,X1) != unordered_pair(X2,X3)
    | X1 = X2
    | X1 = X3 ),
    inference(superposition,[status(thm)],[c_49,c_54]) ).

cnf(c_377,plain,
    ( unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,sK3)) != unordered_pair(X0,X1)
    | unordered_pair(sK4,sK4) = X0
    | unordered_pair(sK4,sK4) = X1 ),
    inference(superposition,[status(thm)],[c_113,c_54]) ).

cnf(c_423,plain,
    ( unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,sK3)) != unordered_pair(X0,X1)
    | unordered_pair(sK4,sK5) = X0
    | unordered_pair(sK4,sK5) = X1 ),
    inference(superposition,[status(thm)],[c_113,c_375]) ).

cnf(c_426,plain,
    ( unordered_pair(unordered_pair(sK2,sK2),unordered_pair(sK2,sK3)) != unordered_pair(X0,X1)
    | unordered_pair(sK4,sK5) = X1
    | unordered_pair(sK4,sK4) = X1 ),
    inference(superposition,[status(thm)],[c_113,c_375]) ).

cnf(c_458,plain,
    ( unordered_pair(sK2,sK3) = unordered_pair(sK4,sK4)
    | unordered_pair(sK2,sK2) = unordered_pair(sK4,sK4) ),
    inference(equality_resolution,[status(thm)],[c_377]) ).

cnf(c_482,plain,
    ( unordered_pair(sK2,sK3) = unordered_pair(sK4,sK5)
    | unordered_pair(sK2,sK2) = unordered_pair(sK4,sK5) ),
    inference(equality_resolution,[status(thm)],[c_423]) ).

cnf(c_495,plain,
    ( unordered_pair(sK2,sK3) = unordered_pair(sK4,sK5)
    | unordered_pair(sK2,sK3) = unordered_pair(sK4,sK4) ),
    inference(equality_resolution,[status(thm)],[c_426]) ).

cnf(c_512,plain,
    ( unordered_pair(X0,X1) != unordered_pair(sK2,sK3)
    | unordered_pair(sK2,sK2) = unordered_pair(sK4,sK4)
    | X0 = X1 ),
    inference(superposition,[status(thm)],[c_458,c_59]) ).

cnf(c_518,plain,
    ( unordered_pair(X0,X1) != unordered_pair(sK2,sK3)
    | unordered_pair(sK2,sK2) = unordered_pair(sK4,sK4)
    | X0 = sK4 ),
    inference(superposition,[status(thm)],[c_458,c_54]) ).

cnf(c_582,plain,
    ( unordered_pair(sK2,sK2) = unordered_pair(sK4,sK4)
    | sK3 = sK2 ),
    inference(equality_resolution,[status(thm)],[c_512]) ).

cnf(c_598,plain,
    ( unordered_pair(sK2,sK2) = unordered_pair(sK4,sK4)
    | sK2 = sK4 ),
    inference(equality_resolution,[status(thm)],[c_518]) ).

cnf(c_621,plain,
    ( unordered_pair(X0,X1) != unordered_pair(sK2,sK2)
    | X0 = X1
    | sK3 = sK2 ),
    inference(superposition,[status(thm)],[c_582,c_59]) ).

cnf(c_686,plain,
    sK2 = sK4,
    inference(forward_subsumption_resolution,[status(thm)],[c_598,c_58]) ).

cnf(c_701,plain,
    ( sK3 != sK5
    | sK2 != sK2 ),
    inference(demodulation,[status(thm)],[c_55,c_686]) ).

cnf(c_702,plain,
    sK3 != sK5,
    inference(equality_resolution_simp,[status(thm)],[c_701]) ).

cnf(c_742,plain,
    ( unordered_pair(sK2,sK3) = unordered_pair(sK2,sK5)
    | unordered_pair(sK2,sK5) = unordered_pair(sK2,sK2) ),
    inference(light_normalisation,[status(thm)],[c_482,c_686]) ).

cnf(c_747,plain,
    ( unordered_pair(X0,X1) != unordered_pair(sK2,sK3)
    | unordered_pair(sK2,sK5) = unordered_pair(sK2,sK2)
    | X0 = sK5
    | X1 = sK5 ),
    inference(superposition,[status(thm)],[c_742,c_375]) ).

cnf(c_789,plain,
    ( unordered_pair(sK2,sK3) = unordered_pair(sK2,sK5)
    | unordered_pair(sK2,sK3) = unordered_pair(sK2,sK2) ),
    inference(light_normalisation,[status(thm)],[c_495,c_686]) ).

cnf(c_1039,plain,
    ( unordered_pair(sK2,sK5) = unordered_pair(sK2,sK2)
    | sK3 = sK5
    | sK5 = sK2 ),
    inference(equality_resolution,[status(thm)],[c_747]) ).

cnf(c_1040,plain,
    ( unordered_pair(sK2,sK5) = unordered_pair(sK2,sK2)
    | sK5 = sK2 ),
    inference(forward_subsumption_resolution,[status(thm)],[c_1039,c_702]) ).

cnf(c_1132,plain,
    ( sK3 = sK2
    | sK5 = sK2 ),
    inference(superposition,[status(thm)],[c_1040,c_621]) ).

cnf(c_1142,plain,
    ( unordered_pair(X0,X0) != unordered_pair(sK2,sK2)
    | sK5 = sK2 ),
    inference(superposition,[status(thm)],[c_1040,c_59]) ).

cnf(c_1182,plain,
    ( unordered_pair(sK2,sK2) != unordered_pair(sK2,sK2)
    | sK5 = sK2 ),
    inference(instantiation,[status(thm)],[c_1142]) ).

cnf(c_1195,plain,
    sK5 = sK2,
    inference(global_subsumption_just,[status(thm)],[c_1132,c_61,c_1182]) ).

cnf(c_1212,plain,
    unordered_pair(sK2,sK3) = unordered_pair(sK2,sK2),
    inference(demodulation,[status(thm)],[c_789,c_1195]) ).

cnf(c_1215,plain,
    sK3 != sK2,
    inference(demodulation,[status(thm)],[c_702,c_1195]) ).

cnf(c_1242,plain,
    ( unordered_pair(X0,X0) != unordered_pair(sK2,sK2)
    | sK3 = sK2 ),
    inference(superposition,[status(thm)],[c_1212,c_59]) ).

cnf(c_1246,plain,
    unordered_pair(X0,X0) != unordered_pair(sK2,sK2),
    inference(forward_subsumption_resolution,[status(thm)],[c_1242,c_1215]) ).

cnf(c_1256,plain,
    unordered_pair(sK2,sK2) != unordered_pair(sK2,sK2),
    inference(instantiation,[status(thm)],[c_1246]) ).

cnf(c_1257,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_1256,c_61]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU156+3 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n029.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 : Wed Aug 23 14:05:37 EDT 2023
% 0.13/0.34  % 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
% 3.14/1.14  % SZS status Started for theBenchmark.p
% 3.14/1.14  % SZS status Theorem for theBenchmark.p
% 3.14/1.14  
% 3.14/1.14  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.14/1.14  
% 3.14/1.14  ------  iProver source info
% 3.14/1.14  
% 3.14/1.14  git: date: 2023-05-31 18:12:56 +0000
% 3.14/1.14  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.14/1.14  git: non_committed_changes: false
% 3.14/1.14  git: last_make_outside_of_git: false
% 3.14/1.14  
% 3.14/1.14  ------ Parsing...
% 3.14/1.14  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 3.14/1.14  
% 3.14/1.14  ------ Preprocessing... sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 3.14/1.14  
% 3.14/1.14  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.14/1.14  
% 3.14/1.14  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 3.14/1.14  ------ Proving...
% 3.14/1.14  ------ Problem Properties 
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  clauses                                 10
% 3.14/1.14  conjectures                             1
% 3.14/1.14  EPR                                     3
% 3.14/1.14  Horn                                    9
% 3.14/1.14  unary                                   5
% 3.14/1.14  binary                                  4
% 3.14/1.14  lits                                    16
% 3.14/1.14  lits eq                                 13
% 3.14/1.14  fd_pure                                 0
% 3.14/1.14  fd_pseudo                               0
% 3.14/1.14  fd_cond                                 0
% 3.14/1.14  fd_pseudo_cond                          4
% 3.14/1.14  AC symbols                              0
% 3.14/1.14  
% 3.14/1.14  ------ Schedule dynamic 5 is on 
% 3.14/1.14  
% 3.14/1.14  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  ------ 
% 3.14/1.14  Current options:
% 3.14/1.14  ------ 
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  ------ Proving...
% 3.14/1.14  
% 3.14/1.14  
% 3.14/1.14  % SZS status Theorem for theBenchmark.p
% 3.14/1.14  
% 3.14/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.14/1.14  
% 3.14/1.14  
%------------------------------------------------------------------------------