TSTP Solution File: NUM385+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : NUM385+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n012.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 11:30:14 EDT 2023

% Result   : Theorem 2.50s 1.15s
% Output   : CNFRefutation 2.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   46 (  15 unt;   0 def)
%            Number of atoms       :  176 (  59 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  208 (  78   ~;  81   |;  39   &)
%                                         (   4 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   2 con; 0-3 aty)
%            Number of variables   :   84 (   0 sgn;  64   !;  11   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] :
      ( in(X0,X1)
     => ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

fof(f6,axiom,
    ! [X0] : succ(X0) = set_union2(X0,singleton(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_ordinal1) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( singleton(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> X0 = X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_tarski) ).

fof(f8,axiom,
    ! [X0,X1,X2] :
      ( set_union2(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( in(X3,X1)
            | in(X3,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

fof(f28,axiom,
    ! [X0] : in(X0,succ(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t10_ordinal1) ).

fof(f29,conjecture,
    ! [X0,X1] :
      ( succ(X0) = succ(X1)
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t12_ordinal1) ).

fof(f30,negated_conjecture,
    ~ ! [X0,X1] :
        ( succ(X0) = succ(X1)
       => X0 = X1 ),
    inference(negated_conjecture,[],[f29]) ).

fof(f44,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f53,plain,
    ? [X0,X1] :
      ( X0 != X1
      & succ(X0) = succ(X1) ),
    inference(ennf_transformation,[],[f30]) ).

fof(f60,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | X0 != X2 )
            & ( X0 = X2
              | ~ in(X2,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f61,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ? [X2] :
            ( ( X0 != X2
              | ~ in(X2,X1) )
            & ( X0 = X2
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(rectify,[],[f60]) ).

fof(f62,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( X0 != X2
            | ~ in(X2,X1) )
          & ( X0 = X2
            | in(X2,X1) ) )
     => ( ( sK0(X0,X1) != X0
          | ~ in(sK0(X0,X1),X1) )
        & ( sK0(X0,X1) = X0
          | in(sK0(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f63,plain,
    ! [X0,X1] :
      ( ( singleton(X0) = X1
        | ( ( sK0(X0,X1) != X0
            | ~ in(sK0(X0,X1),X1) )
          & ( sK0(X0,X1) = X0
            | in(sK0(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | X0 != X3 )
            & ( X0 = X3
              | ~ in(X3,X1) ) )
        | singleton(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f61,f62]) ).

fof(f64,plain,
    ! [X0,X1,X2] :
      ( ( set_union2(X0,X1) = X2
        | ? [X3] :
            ( ( ( ~ in(X3,X1)
                & ~ in(X3,X0) )
              | ~ in(X3,X2) )
            & ( in(X3,X1)
              | in(X3,X0)
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( ~ in(X3,X1)
                & ~ in(X3,X0) ) )
            & ( in(X3,X1)
              | in(X3,X0)
              | ~ in(X3,X2) ) )
        | set_union2(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f8]) ).

fof(f65,plain,
    ! [X0,X1,X2] :
      ( ( set_union2(X0,X1) = X2
        | ? [X3] :
            ( ( ( ~ in(X3,X1)
                & ~ in(X3,X0) )
              | ~ in(X3,X2) )
            & ( in(X3,X1)
              | in(X3,X0)
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( ~ in(X3,X1)
                & ~ in(X3,X0) ) )
            & ( in(X3,X1)
              | in(X3,X0)
              | ~ in(X3,X2) ) )
        | set_union2(X0,X1) != X2 ) ),
    inference(flattening,[],[f64]) ).

fof(f66,plain,
    ! [X0,X1,X2] :
      ( ( set_union2(X0,X1) = X2
        | ? [X3] :
            ( ( ( ~ in(X3,X1)
                & ~ in(X3,X0) )
              | ~ in(X3,X2) )
            & ( in(X3,X1)
              | in(X3,X0)
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( ~ in(X4,X1)
                & ~ in(X4,X0) ) )
            & ( in(X4,X1)
              | in(X4,X0)
              | ~ in(X4,X2) ) )
        | set_union2(X0,X1) != X2 ) ),
    inference(rectify,[],[f65]) ).

fof(f67,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( ~ in(X3,X1)
              & ~ in(X3,X0) )
            | ~ in(X3,X2) )
          & ( in(X3,X1)
            | in(X3,X0)
            | in(X3,X2) ) )
     => ( ( ( ~ in(sK1(X0,X1,X2),X1)
            & ~ in(sK1(X0,X1,X2),X0) )
          | ~ in(sK1(X0,X1,X2),X2) )
        & ( in(sK1(X0,X1,X2),X1)
          | in(sK1(X0,X1,X2),X0)
          | in(sK1(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f68,plain,
    ! [X0,X1,X2] :
      ( ( set_union2(X0,X1) = X2
        | ( ( ( ~ in(sK1(X0,X1,X2),X1)
              & ~ in(sK1(X0,X1,X2),X0) )
            | ~ in(sK1(X0,X1,X2),X2) )
          & ( in(sK1(X0,X1,X2),X1)
            | in(sK1(X0,X1,X2),X0)
            | in(sK1(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( ~ in(X4,X1)
                & ~ in(X4,X0) ) )
            & ( in(X4,X1)
              | in(X4,X0)
              | ~ in(X4,X2) ) )
        | set_union2(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f66,f67]) ).

fof(f91,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & succ(X0) = succ(X1) )
   => ( sK13 != sK14
      & succ(sK13) = succ(sK14) ) ),
    introduced(choice_axiom,[]) ).

fof(f92,plain,
    ( sK13 != sK14
    & succ(sK13) = succ(sK14) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK13,sK14])],[f53,f91]) ).

fof(f93,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f44]) ).

fof(f99,plain,
    ! [X0] : succ(X0) = set_union2(X0,singleton(X0)),
    inference(cnf_transformation,[],[f6]) ).

fof(f100,plain,
    ! [X3,X0,X1] :
      ( X0 = X3
      | ~ in(X3,X1)
      | singleton(X0) != X1 ),
    inference(cnf_transformation,[],[f63]) ).

fof(f104,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X1)
      | in(X4,X0)
      | ~ in(X4,X2)
      | set_union2(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f68]) ).

fof(f139,plain,
    ! [X0] : in(X0,succ(X0)),
    inference(cnf_transformation,[],[f28]) ).

fof(f140,plain,
    succ(sK13) = succ(sK14),
    inference(cnf_transformation,[],[f92]) ).

fof(f141,plain,
    sK13 != sK14,
    inference(cnf_transformation,[],[f92]) ).

fof(f149,plain,
    ! [X0] : in(X0,set_union2(X0,singleton(X0))),
    inference(definition_unfolding,[],[f139,f99]) ).

fof(f150,plain,
    set_union2(sK13,singleton(sK13)) = set_union2(sK14,singleton(sK14)),
    inference(definition_unfolding,[],[f140,f99,f99]) ).

fof(f153,plain,
    ! [X3,X0] :
      ( X0 = X3
      | ~ in(X3,singleton(X0)) ),
    inference(equality_resolution,[],[f100]) ).

fof(f156,plain,
    ! [X0,X1,X4] :
      ( in(X4,X1)
      | in(X4,X0)
      | ~ in(X4,set_union2(X0,X1)) ),
    inference(equality_resolution,[],[f104]) ).

cnf(c_49,plain,
    ( ~ in(X0,X1)
    | ~ in(X1,X0) ),
    inference(cnf_transformation,[],[f93]) ).

cnf(c_56,plain,
    ( ~ in(X0,singleton(X1))
    | X0 = X1 ),
    inference(cnf_transformation,[],[f153]) ).

cnf(c_62,plain,
    ( ~ in(X0,set_union2(X1,X2))
    | in(X0,X1)
    | in(X0,X2) ),
    inference(cnf_transformation,[],[f156]) ).

cnf(c_92,plain,
    in(X0,set_union2(X0,singleton(X0))),
    inference(cnf_transformation,[],[f149]) ).

cnf(c_93,negated_conjecture,
    sK13 != sK14,
    inference(cnf_transformation,[],[f141]) ).

cnf(c_94,negated_conjecture,
    set_union2(sK13,singleton(sK13)) = set_union2(sK14,singleton(sK14)),
    inference(cnf_transformation,[],[f150]) ).

cnf(c_881,plain,
    in(sK14,set_union2(sK13,singleton(sK13))),
    inference(superposition,[status(thm)],[c_94,c_92]) ).

cnf(c_1107,plain,
    ( in(sK14,singleton(sK13))
    | in(sK14,sK13) ),
    inference(superposition,[status(thm)],[c_881,c_62]) ).

cnf(c_1113,plain,
    ( ~ in(X0,set_union2(sK13,singleton(sK13)))
    | in(X0,singleton(sK14))
    | in(X0,sK14) ),
    inference(superposition,[status(thm)],[c_94,c_62]) ).

cnf(c_1139,plain,
    ( ~ in(sK13,singleton(sK14))
    | sK13 = sK14 ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_1262,plain,
    ( in(sK13,singleton(sK14))
    | in(sK13,sK14) ),
    inference(superposition,[status(thm)],[c_92,c_1113]) ).

cnf(c_1297,plain,
    ( sK13 = sK14
    | in(sK14,sK13) ),
    inference(superposition,[status(thm)],[c_1107,c_56]) ).

cnf(c_1298,plain,
    in(sK14,sK13),
    inference(forward_subsumption_resolution,[status(thm)],[c_1297,c_93]) ).

cnf(c_1299,plain,
    ~ in(sK13,sK14),
    inference(superposition,[status(thm)],[c_1298,c_49]) ).

cnf(c_1301,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_1299,c_1262,c_1139,c_93]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : NUM385+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n012.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 : Fri Aug 25 07:44:26 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 2.50/1.15  % SZS status Started for theBenchmark.p
% 2.50/1.15  % SZS status Theorem for theBenchmark.p
% 2.50/1.15  
% 2.50/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 2.50/1.15  
% 2.50/1.15  ------  iProver source info
% 2.50/1.15  
% 2.50/1.15  git: date: 2023-05-31 18:12:56 +0000
% 2.50/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 2.50/1.15  git: non_committed_changes: false
% 2.50/1.15  git: last_make_outside_of_git: false
% 2.50/1.15  
% 2.50/1.15  ------ Parsing...
% 2.50/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.50/1.15  
% 2.50/1.15  ------ Preprocessing... sup_sim: 0  sf_s  rm: 20 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 4 0s  sf_e  pe_s  pe_e 
% 2.50/1.15  
% 2.50/1.15  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.50/1.15  
% 2.50/1.15  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.50/1.15  ------ Proving...
% 2.50/1.15  ------ Problem Properties 
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  clauses                                 30
% 2.50/1.15  conjectures                             2
% 2.50/1.15  EPR                                     11
% 2.50/1.15  Horn                                    26
% 2.50/1.15  unary                                   14
% 2.50/1.15  binary                                  9
% 2.50/1.15  lits                                    54
% 2.50/1.15  lits eq                                 15
% 2.50/1.15  fd_pure                                 0
% 2.50/1.15  fd_pseudo                               0
% 2.50/1.15  fd_cond                                 1
% 2.50/1.15  fd_pseudo_cond                          6
% 2.50/1.15  AC symbols                              0
% 2.50/1.15  
% 2.50/1.15  ------ Schedule dynamic 5 is on 
% 2.50/1.15  
% 2.50/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  ------ 
% 2.50/1.15  Current options:
% 2.50/1.15  ------ 
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  ------ Proving...
% 2.50/1.15  
% 2.50/1.15  
% 2.50/1.15  % SZS status Theorem for theBenchmark.p
% 2.50/1.15  
% 2.50/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.50/1.15  
% 2.50/1.15  
%------------------------------------------------------------------------------