TSTP Solution File: SEU147+2 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU147+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n017.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 17:04:04 EDT 2023

% Result   : Theorem 3.98s 1.17s
% Output   : CNFRefutation 3.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   57 (  16 unt;   0 def)
%            Number of atoms       :  208 ( 104 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  245 (  94   ~; 108   |;  35   &)
%                                         (   4 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   1 con; 0-3 aty)
%            Number of variables   :  103 (   1 sgn;  63   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f9,axiom,
    ! [X0,X1] :
      ( powerset(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> subset(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d1_zfmisc_1) ).

fof(f10,axiom,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_tarski) ).

fof(f24,axiom,
    empty(empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fc1_xboole_0) ).

fof(f44,conjecture,
    powerset(empty_set) = singleton(empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t1_zfmisc_1) ).

fof(f45,negated_conjecture,
    powerset(empty_set) != singleton(empty_set),
    inference(negated_conjecture,[],[f44]) ).

fof(f50,axiom,
    ! [X0] : subset(empty_set,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_xboole_1) ).

fof(f57,axiom,
    ! [X0] :
      ( subset(X0,empty_set)
     => empty_set = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_xboole_1) ).

fof(f65,axiom,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t69_enumset1) ).

fof(f66,axiom,
    ! [X0] :
      ( empty(X0)
     => empty_set = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_boole) ).

fof(f76,plain,
    powerset(empty_set) != singleton(empty_set),
    inference(flattening,[],[f45]) ).

fof(f100,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ subset(X0,empty_set) ),
    inference(ennf_transformation,[],[f57]) ).

fof(f106,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ empty(X0) ),
    inference(ennf_transformation,[],[f66]) ).

fof(f121,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ~ subset(X2,X0) )
            & ( subset(X2,X0)
              | ~ in(X2,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f122,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(rectify,[],[f121]) ).

fof(f123,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ subset(X2,X0)
            | ~ in(X2,X1) )
          & ( subset(X2,X0)
            | in(X2,X1) ) )
     => ( ( ~ subset(sK2(X0,X1),X0)
          | ~ in(sK2(X0,X1),X1) )
        & ( subset(sK2(X0,X1),X0)
          | in(sK2(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f124,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ( ( ~ subset(sK2(X0,X1),X0)
            | ~ in(sK2(X0,X1),X1) )
          & ( subset(sK2(X0,X1),X0)
            | in(sK2(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f122,f123]) ).

fof(f125,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f126,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(flattening,[],[f125]) ).

fof(f127,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(rectify,[],[f126]) ).

fof(f128,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X1 != X3
              & X0 != X3 )
            | ~ in(X3,X2) )
          & ( X1 = X3
            | X0 = X3
            | in(X3,X2) ) )
     => ( ( ( sK3(X0,X1,X2) != X1
            & sK3(X0,X1,X2) != X0 )
          | ~ in(sK3(X0,X1,X2),X2) )
        & ( sK3(X0,X1,X2) = X1
          | sK3(X0,X1,X2) = X0
          | in(sK3(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f129,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ( ( ( sK3(X0,X1,X2) != X1
              & sK3(X0,X1,X2) != X0 )
            | ~ in(sK3(X0,X1,X2),X2) )
          & ( sK3(X0,X1,X2) = X1
            | sK3(X0,X1,X2) = X0
            | in(sK3(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X1 != X4
                & X0 != X4 ) )
            & ( X1 = X4
              | X0 = X4
              | ~ in(X4,X2) ) )
        | unordered_pair(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f127,f128]) ).

fof(f181,plain,
    ! [X3,X0,X1] :
      ( subset(X3,X0)
      | ~ in(X3,X1)
      | powerset(X0) != X1 ),
    inference(cnf_transformation,[],[f124]) ).

fof(f182,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | ~ subset(X3,X0)
      | powerset(X0) != X1 ),
    inference(cnf_transformation,[],[f124]) ).

fof(f188,plain,
    ! [X2,X0,X1] :
      ( unordered_pair(X0,X1) = X2
      | sK3(X0,X1,X2) = X1
      | sK3(X0,X1,X2) = X0
      | in(sK3(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f129]) ).

fof(f190,plain,
    ! [X2,X0,X1] :
      ( unordered_pair(X0,X1) = X2
      | sK3(X0,X1,X2) != X1
      | ~ in(sK3(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f129]) ).

fof(f215,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f24]) ).

fof(f239,plain,
    powerset(empty_set) != singleton(empty_set),
    inference(cnf_transformation,[],[f76]) ).

fof(f245,plain,
    ! [X0] : subset(empty_set,X0),
    inference(cnf_transformation,[],[f50]) ).

fof(f255,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ subset(X0,empty_set) ),
    inference(cnf_transformation,[],[f100]) ).

fof(f264,plain,
    ! [X0] : singleton(X0) = unordered_pair(X0,X0),
    inference(cnf_transformation,[],[f65]) ).

fof(f265,plain,
    ! [X0] :
      ( empty_set = X0
      | ~ empty(X0) ),
    inference(cnf_transformation,[],[f106]) ).

fof(f295,plain,
    powerset(empty_set) != unordered_pair(empty_set,empty_set),
    inference(definition_unfolding,[],[f239,f264]) ).

fof(f307,plain,
    ! [X3,X0] :
      ( in(X3,powerset(X0))
      | ~ subset(X3,X0) ),
    inference(equality_resolution,[],[f182]) ).

fof(f308,plain,
    ! [X3,X0] :
      ( subset(X3,X0)
      | ~ in(X3,powerset(X0)) ),
    inference(equality_resolution,[],[f181]) ).

cnf(c_65,plain,
    ( ~ subset(X0,X1)
    | in(X0,powerset(X1)) ),
    inference(cnf_transformation,[],[f307]) ).

cnf(c_66,plain,
    ( ~ in(X0,powerset(X1))
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f308]) ).

cnf(c_67,plain,
    ( sK3(X0,X1,X2) != X1
    | ~ in(sK3(X0,X1,X2),X2)
    | unordered_pair(X0,X1) = X2 ),
    inference(cnf_transformation,[],[f190]) ).

cnf(c_69,plain,
    ( sK3(X0,X1,X2) = X0
    | sK3(X0,X1,X2) = X1
    | unordered_pair(X0,X1) = X2
    | in(sK3(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f188]) ).

cnf(c_97,plain,
    empty(empty_set),
    inference(cnf_transformation,[],[f215]) ).

cnf(c_121,negated_conjecture,
    unordered_pair(empty_set,empty_set) != powerset(empty_set),
    inference(cnf_transformation,[],[f295]) ).

cnf(c_127,plain,
    subset(empty_set,X0),
    inference(cnf_transformation,[],[f245]) ).

cnf(c_137,plain,
    ( ~ subset(X0,empty_set)
    | X0 = empty_set ),
    inference(cnf_transformation,[],[f255]) ).

cnf(c_145,plain,
    ( ~ empty(X0)
    | X0 = empty_set ),
    inference(cnf_transformation,[],[f265]) ).

cnf(c_152,plain,
    subset(empty_set,empty_set),
    inference(instantiation,[status(thm)],[c_127]) ).

cnf(c_161,plain,
    ( ~ empty(empty_set)
    | empty_set = empty_set ),
    inference(instantiation,[status(thm)],[c_145]) ).

cnf(c_2268,plain,
    ( X0 != X1
    | X2 != X3
    | ~ subset(X1,X3)
    | subset(X0,X2) ),
    theory(equality) ).

cnf(c_4647,plain,
    ( sK3(X0,X1,powerset(X2)) != X1
    | ~ in(sK3(X0,X1,powerset(X2)),powerset(X2))
    | unordered_pair(X0,X1) = powerset(X2) ),
    inference(instantiation,[status(thm)],[c_67]) ).

cnf(c_4648,plain,
    ( ~ subset(sK3(X0,X1,powerset(X2)),X2)
    | in(sK3(X0,X1,powerset(X2)),powerset(X2)) ),
    inference(instantiation,[status(thm)],[c_65]) ).

cnf(c_4649,plain,
    ( sK3(empty_set,empty_set,powerset(empty_set)) != empty_set
    | ~ in(sK3(empty_set,empty_set,powerset(empty_set)),powerset(empty_set))
    | unordered_pair(empty_set,empty_set) = powerset(empty_set) ),
    inference(instantiation,[status(thm)],[c_4647]) ).

cnf(c_4650,plain,
    ( ~ subset(sK3(empty_set,empty_set,powerset(empty_set)),empty_set)
    | in(sK3(empty_set,empty_set,powerset(empty_set)),powerset(empty_set)) ),
    inference(instantiation,[status(thm)],[c_4648]) ).

cnf(c_9338,plain,
    ( sK3(X0,X1,powerset(X2)) != X3
    | X2 != X4
    | ~ subset(X3,X4)
    | subset(sK3(X0,X1,powerset(X2)),X2) ),
    inference(instantiation,[status(thm)],[c_2268]) ).

cnf(c_9339,plain,
    ( sK3(empty_set,empty_set,powerset(empty_set)) != empty_set
    | empty_set != empty_set
    | ~ subset(empty_set,empty_set)
    | subset(sK3(empty_set,empty_set,powerset(empty_set)),empty_set) ),
    inference(instantiation,[status(thm)],[c_9338]) ).

cnf(c_11954,plain,
    ( sK3(X0,X1,powerset(X2)) = X0
    | sK3(X0,X1,powerset(X2)) = X1
    | unordered_pair(X0,X1) = powerset(X2)
    | subset(sK3(X0,X1,powerset(X2)),X2) ),
    inference(superposition,[status(thm)],[c_69,c_66]) ).

cnf(c_12023,plain,
    ( sK3(empty_set,empty_set,powerset(empty_set)) = empty_set
    | unordered_pair(empty_set,empty_set) = powerset(empty_set)
    | subset(sK3(empty_set,empty_set,powerset(empty_set)),empty_set) ),
    inference(instantiation,[status(thm)],[c_11954]) ).

cnf(c_12856,plain,
    ( ~ subset(sK3(X0,empty_set,powerset(X1)),empty_set)
    | sK3(X0,empty_set,powerset(X1)) = empty_set ),
    inference(instantiation,[status(thm)],[c_137]) ).

cnf(c_12857,plain,
    ( ~ subset(sK3(empty_set,empty_set,powerset(empty_set)),empty_set)
    | sK3(empty_set,empty_set,powerset(empty_set)) = empty_set ),
    inference(instantiation,[status(thm)],[c_12856]) ).

cnf(c_14055,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_12857,c_12023,c_9339,c_4650,c_4649,c_121,c_161,c_152,c_97]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU147+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n017.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Wed Aug 23 20:19:24 EDT 2023
% 0.22/0.36  % CPUTime  : 
% 0.22/0.48  Running first-order theorem proving
% 0.22/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 3.98/1.17  % SZS status Started for theBenchmark.p
% 3.98/1.17  % SZS status Theorem for theBenchmark.p
% 3.98/1.17  
% 3.98/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.98/1.17  
% 3.98/1.17  ------  iProver source info
% 3.98/1.17  
% 3.98/1.17  git: date: 2023-05-31 18:12:56 +0000
% 3.98/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.98/1.17  git: non_committed_changes: false
% 3.98/1.17  git: last_make_outside_of_git: false
% 3.98/1.17  
% 3.98/1.17  ------ Parsing...
% 3.98/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 3.98/1.17  
% 3.98/1.17  ------ Preprocessing... sup_sim: 3  sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 3.98/1.17  
% 3.98/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.98/1.17  
% 3.98/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 3.98/1.17  ------ Proving...
% 3.98/1.17  ------ Problem Properties 
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  clauses                                 92
% 3.98/1.17  conjectures                             1
% 3.98/1.17  EPR                                     21
% 3.98/1.17  Horn                                    71
% 3.98/1.17  unary                                   23
% 3.98/1.17  binary                                  36
% 3.98/1.17  lits                                    198
% 3.98/1.17  lits eq                                 55
% 3.98/1.17  fd_pure                                 0
% 3.98/1.17  fd_pseudo                               0
% 3.98/1.17  fd_cond                                 3
% 3.98/1.17  fd_pseudo_cond                          22
% 3.98/1.17  AC symbols                              0
% 3.98/1.17  
% 3.98/1.17  ------ Schedule dynamic 5 is on 
% 3.98/1.17  
% 3.98/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  ------ 
% 3.98/1.17  Current options:
% 3.98/1.17  ------ 
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  ------ Proving...
% 3.98/1.17  
% 3.98/1.17  
% 3.98/1.17  % SZS status Theorem for theBenchmark.p
% 3.98/1.17  
% 3.98/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.98/1.17  
% 3.98/1.17  
%------------------------------------------------------------------------------