TSTP Solution File: SYN415+1 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SYN415+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n022.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 : Fri May  3 03:30:34 EDT 2024

% Result   : Theorem 2.17s 1.13s
% Output   : CNFRefutation 2.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   62 (   5 unt;   0 def)
%            Number of atoms       :  238 (  60 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  281 ( 105   ~; 111   |;  48   &)
%                                         (   4 <=>;  10  =>;   0  <=;   3 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   3 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-1 aty)
%            Number of variables   :   97 (   4 sgn  47   !;  30   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ( ! [X1,X2] :
          ( ( f(X2)
            & f(X1) )
         => X1 = X2 )
      & ? [X0] : f(X0) )
  <=> ? [X3] :
        ( ! [X4] :
            ( f(X4)
           => X3 = X4 )
        & f(X3) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',kalish317) ).

fof(f2,negated_conjecture,
    ~ ( ( ! [X1,X2] :
            ( ( f(X2)
              & f(X1) )
           => X1 = X2 )
        & ? [X0] : f(X0) )
    <=> ? [X3] :
          ( ! [X4] :
              ( f(X4)
             => X3 = X4 )
          & f(X3) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ~ ( ( ! [X0,X1] :
            ( ( f(X1)
              & f(X0) )
           => X0 = X1 )
        & ? [X2] : f(X2) )
    <=> ? [X3] :
          ( ! [X4] :
              ( f(X4)
             => X3 = X4 )
          & f(X3) ) ),
    inference(rectify,[],[f2]) ).

fof(f4,plain,
    ( ( ! [X0,X1] :
          ( X0 = X1
          | ~ f(X1)
          | ~ f(X0) )
      & ? [X2] : f(X2) )
  <~> ? [X3] :
        ( ! [X4] :
            ( X3 = X4
            | ~ f(X4) )
        & f(X3) ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f5,plain,
    ( ( ! [X0,X1] :
          ( X0 = X1
          | ~ f(X1)
          | ~ f(X0) )
      & ? [X2] : f(X2) )
  <~> ? [X3] :
        ( ! [X4] :
            ( X3 = X4
            | ~ f(X4) )
        & f(X3) ) ),
    inference(flattening,[],[f4]) ).

fof(f6,plain,
    ( sP0
  <=> ( ! [X0,X1] :
          ( X0 = X1
          | ~ f(X1)
          | ~ f(X0) )
      & ? [X2] : f(X2) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f7,plain,
    ( sP0
  <~> ? [X3] :
        ( ! [X4] :
            ( X3 = X4
            | ~ f(X4) )
        & f(X3) ) ),
    inference(definition_folding,[],[f5,f6]) ).

fof(f8,plain,
    ( ( sP0
      | ? [X0,X1] :
          ( X0 != X1
          & f(X1)
          & f(X0) )
      | ! [X2] : ~ f(X2) )
    & ( ( ! [X0,X1] :
            ( X0 = X1
            | ~ f(X1)
            | ~ f(X0) )
        & ? [X2] : f(X2) )
      | ~ sP0 ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f9,plain,
    ( ( sP0
      | ? [X0,X1] :
          ( X0 != X1
          & f(X1)
          & f(X0) )
      | ! [X2] : ~ f(X2) )
    & ( ( ! [X0,X1] :
            ( X0 = X1
            | ~ f(X1)
            | ~ f(X0) )
        & ? [X2] : f(X2) )
      | ~ sP0 ) ),
    inference(flattening,[],[f8]) ).

fof(f10,plain,
    ( ( sP0
      | ? [X0,X1] :
          ( X0 != X1
          & f(X1)
          & f(X0) )
      | ! [X2] : ~ f(X2) )
    & ( ( ! [X3,X4] :
            ( X3 = X4
            | ~ f(X4)
            | ~ f(X3) )
        & ? [X5] : f(X5) )
      | ~ sP0 ) ),
    inference(rectify,[],[f9]) ).

fof(f11,plain,
    ( ? [X0,X1] :
        ( X0 != X1
        & f(X1)
        & f(X0) )
   => ( sK1 != sK2
      & f(sK2)
      & f(sK1) ) ),
    introduced(choice_axiom,[]) ).

fof(f12,plain,
    ( ? [X5] : f(X5)
   => f(sK3) ),
    introduced(choice_axiom,[]) ).

fof(f13,plain,
    ( ( sP0
      | ( sK1 != sK2
        & f(sK2)
        & f(sK1) )
      | ! [X2] : ~ f(X2) )
    & ( ( ! [X3,X4] :
            ( X3 = X4
            | ~ f(X4)
            | ~ f(X3) )
        & f(sK3) )
      | ~ sP0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2,sK3])],[f10,f12,f11]) ).

fof(f14,plain,
    ( ( ! [X3] :
          ( ? [X4] :
              ( X3 != X4
              & f(X4) )
          | ~ f(X3) )
      | ~ sP0 )
    & ( ? [X3] :
          ( ! [X4] :
              ( X3 = X4
              | ~ f(X4) )
          & f(X3) )
      | sP0 ) ),
    inference(nnf_transformation,[],[f7]) ).

fof(f15,plain,
    ( ( ! [X0] :
          ( ? [X1] :
              ( X0 != X1
              & f(X1) )
          | ~ f(X0) )
      | ~ sP0 )
    & ( ? [X2] :
          ( ! [X3] :
              ( X2 = X3
              | ~ f(X3) )
          & f(X2) )
      | sP0 ) ),
    inference(rectify,[],[f14]) ).

fof(f16,plain,
    ! [X0] :
      ( ? [X1] :
          ( X0 != X1
          & f(X1) )
     => ( sK4(X0) != X0
        & f(sK4(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ( ? [X2] :
        ( ! [X3] :
            ( X2 = X3
            | ~ f(X3) )
        & f(X2) )
   => ( ! [X3] :
          ( sK5 = X3
          | ~ f(X3) )
      & f(sK5) ) ),
    introduced(choice_axiom,[]) ).

fof(f18,plain,
    ( ( ! [X0] :
          ( ( sK4(X0) != X0
            & f(sK4(X0)) )
          | ~ f(X0) )
      | ~ sP0 )
    & ( ( ! [X3] :
            ( sK5 = X3
            | ~ f(X3) )
        & f(sK5) )
      | sP0 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4,sK5])],[f15,f17,f16]) ).

fof(f19,plain,
    ( f(sK3)
    | ~ sP0 ),
    inference(cnf_transformation,[],[f13]) ).

fof(f20,plain,
    ! [X3,X4] :
      ( X3 = X4
      | ~ f(X4)
      | ~ f(X3)
      | ~ sP0 ),
    inference(cnf_transformation,[],[f13]) ).

fof(f21,plain,
    ! [X2] :
      ( sP0
      | f(sK1)
      | ~ f(X2) ),
    inference(cnf_transformation,[],[f13]) ).

fof(f22,plain,
    ! [X2] :
      ( sP0
      | f(sK2)
      | ~ f(X2) ),
    inference(cnf_transformation,[],[f13]) ).

fof(f23,plain,
    ! [X2] :
      ( sP0
      | sK1 != sK2
      | ~ f(X2) ),
    inference(cnf_transformation,[],[f13]) ).

fof(f24,plain,
    ( f(sK5)
    | sP0 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f25,plain,
    ! [X3] :
      ( sK5 = X3
      | ~ f(X3)
      | sP0 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f26,plain,
    ! [X0] :
      ( f(sK4(X0))
      | ~ f(X0)
      | ~ sP0 ),
    inference(cnf_transformation,[],[f18]) ).

fof(f27,plain,
    ! [X0] :
      ( sK4(X0) != X0
      | ~ f(X0)
      | ~ sP0 ),
    inference(cnf_transformation,[],[f18]) ).

cnf(c_49,plain,
    ( sK1 != sK2
    | ~ f(X0)
    | sP0 ),
    inference(cnf_transformation,[],[f23]) ).

cnf(c_50,plain,
    ( ~ f(X0)
    | f(sK2)
    | sP0 ),
    inference(cnf_transformation,[],[f22]) ).

cnf(c_51,plain,
    ( ~ f(X0)
    | f(sK1)
    | sP0 ),
    inference(cnf_transformation,[],[f21]) ).

cnf(c_52,plain,
    ( ~ f(X0)
    | ~ f(X1)
    | ~ sP0
    | X0 = X1 ),
    inference(cnf_transformation,[],[f20]) ).

cnf(c_53,plain,
    ( ~ sP0
    | f(sK3) ),
    inference(cnf_transformation,[],[f19]) ).

cnf(c_54,negated_conjecture,
    ( sK4(X0) != X0
    | ~ f(X0)
    | ~ sP0 ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_55,negated_conjecture,
    ( ~ f(X0)
    | ~ sP0
    | f(sK4(X0)) ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_56,negated_conjecture,
    ( ~ f(X0)
    | X0 = sK5
    | sP0 ),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_57,negated_conjecture,
    ( f(sK5)
    | sP0 ),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_503,plain,
    ( ~ f(X0)
    | ~ sP0_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[sP0_iProver_def])],[c_51]) ).

cnf(c_504,plain,
    ( f(sK1)
    | sP0
    | sP0_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_51]) ).

cnf(c_505,plain,
    ( f(sK2)
    | sP0
    | sP0_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_50]) ).

cnf(c_506,plain,
    ( sK1 != sK2
    | sP0
    | sP0_iProver_def ),
    inference(splitting,[splitting(split),new_symbols(definition,[])],[c_49]) ).

cnf(c_507,negated_conjecture,
    ( f(sK5)
    | sP0 ),
    inference(demodulation,[status(thm)],[c_57]) ).

cnf(c_508,negated_conjecture,
    ( ~ f(X0)
    | X0 = sK5
    | sP0 ),
    inference(demodulation,[status(thm)],[c_56]) ).

cnf(c_509,negated_conjecture,
    ( ~ f(X0)
    | ~ sP0
    | f(sK4(X0)) ),
    inference(demodulation,[status(thm)],[c_55]) ).

cnf(c_510,negated_conjecture,
    ( sK4(X0) != X0
    | ~ f(X0)
    | ~ sP0 ),
    inference(demodulation,[status(thm)],[c_54]) ).

cnf(c_513,plain,
    ( X0 != X1
    | X2 != X1
    | X2 = X0 ),
    theory(equality) ).

cnf(c_693,plain,
    ( sK1 = sK5
    | sP0
    | sP0_iProver_def ),
    inference(superposition,[status(thm)],[c_504,c_508]) ).

cnf(c_709,plain,
    ( sK2 = sK5
    | sP0
    | sP0_iProver_def ),
    inference(superposition,[status(thm)],[c_505,c_508]) ).

cnf(c_729,plain,
    ( ~ f(X0)
    | ~ sP0
    | X0 = sK3 ),
    inference(superposition,[status(thm)],[c_53,c_52]) ).

cnf(c_747,plain,
    ( ~ sP0
    | ~ sP0_iProver_def ),
    inference(superposition,[status(thm)],[c_53,c_503]) ).

cnf(c_749,plain,
    ( ~ sP0_iProver_def
    | sP0 ),
    inference(superposition,[status(thm)],[c_507,c_503]) ).

cnf(c_754,plain,
    ~ sP0_iProver_def,
    inference(backward_subsumption_resolution,[status(thm)],[c_749,c_747]) ).

cnf(c_756,plain,
    ( sK1 != sK2
    | sP0 ),
    inference(backward_subsumption_resolution,[status(thm)],[c_506,c_754]) ).

cnf(c_899,plain,
    ( sK4(sK3) != sK3
    | ~ f(sK3)
    | ~ sP0 ),
    inference(instantiation,[status(thm)],[c_510]) ).

cnf(c_948,plain,
    ( sK1 != X0
    | sK2 != X0
    | sK1 = sK2 ),
    inference(instantiation,[status(thm)],[c_513]) ).

cnf(c_974,plain,
    ( sK1 != sK5
    | sK2 != sK5
    | sK1 = sK2 ),
    inference(instantiation,[status(thm)],[c_948]) ).

cnf(c_978,plain,
    sP0,
    inference(global_subsumption_just,[status(thm)],[c_756,c_506,c_693,c_709,c_754,c_974]) ).

cnf(c_988,plain,
    ( ~ f(X0)
    | f(sK4(X0)) ),
    inference(backward_subsumption_resolution,[status(thm)],[c_509,c_978]) ).

cnf(c_990,plain,
    f(sK3),
    inference(backward_subsumption_resolution,[status(thm)],[c_53,c_978]) ).

cnf(c_1035,plain,
    ( ~ f(X0)
    | X0 = sK3 ),
    inference(global_subsumption_just,[status(thm)],[c_729,c_506,c_693,c_709,c_729,c_754,c_974]) ).

cnf(c_1043,plain,
    ( ~ f(X0)
    | sK4(X0) = sK3 ),
    inference(superposition,[status(thm)],[c_988,c_1035]) ).

cnf(c_1055,plain,
    sK4(sK3) = sK3,
    inference(superposition,[status(thm)],[c_990,c_1043]) ).

cnf(c_1059,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_1055,c_978,c_899,c_53]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.11  % Problem  : SYN415+1 : TPTP v8.1.2. Released v2.0.0.
% 0.05/0.12  % Command  : run_iprover %s %d THM
% 0.10/0.33  % Computer : n022.cluster.edu
% 0.10/0.33  % Model    : x86_64 x86_64
% 0.10/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.33  % Memory   : 8042.1875MB
% 0.10/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.33  % CPULimit : 300
% 0.10/0.33  % WCLimit  : 300
% 0.10/0.33  % DateTime : Thu May  2 20:55:27 EDT 2024
% 0.10/0.33  % CPUTime  : 
% 0.16/0.44  Running first-order theorem proving
% 0.16/0.44  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 2.17/1.13  % SZS status Started for theBenchmark.p
% 2.17/1.13  % SZS status Theorem for theBenchmark.p
% 2.17/1.13  
% 2.17/1.13  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 2.17/1.13  
% 2.17/1.13  ------  iProver source info
% 2.17/1.13  
% 2.17/1.13  git: date: 2024-05-02 19:28:25 +0000
% 2.17/1.13  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 2.17/1.13  git: non_committed_changes: false
% 2.17/1.13  
% 2.17/1.13  ------ Parsing...
% 2.17/1.13  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 2.17/1.13  
% 2.17/1.13  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 2.17/1.13  
% 2.17/1.13  ------ Preprocessing... gs_s  sp: 3 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 2.17/1.13  
% 2.17/1.13  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 2.17/1.13  ------ Proving...
% 2.17/1.13  ------ Problem Properties 
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  clauses                                 10
% 2.17/1.13  conjectures                             4
% 2.17/1.13  EPR                                     8
% 2.17/1.13  Horn                                    5
% 2.17/1.13  unary                                   0
% 2.17/1.13  binary                                  3
% 2.17/1.13  lits                                    28
% 2.17/1.13  lits eq                                 4
% 2.17/1.13  fd_pure                                 0
% 2.17/1.13  fd_pseudo                               0
% 2.17/1.13  fd_cond                                 1
% 2.17/1.13  fd_pseudo_cond                          1
% 2.17/1.13  AC symbols                              0
% 2.17/1.13  
% 2.17/1.13  ------ Schedule dynamic 5 is on 
% 2.17/1.13  
% 2.17/1.13  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  ------ 
% 2.17/1.13  Current options:
% 2.17/1.13  ------ 
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  ------ Proving...
% 2.17/1.13  
% 2.17/1.13  
% 2.17/1.13  % SZS status Theorem for theBenchmark.p
% 2.17/1.13  
% 2.17/1.13  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.17/1.13  
% 2.17/1.13  
%------------------------------------------------------------------------------