TSTP Solution File: SYN052+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN052+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n032.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 Sep  1 03:04:54 EDT 2023

% Result   : Theorem 0.54s 1.06s
% Output   : CNFRefutation 0.54s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   20 (   1 unt;   0 def)
%            Number of atoms       :   69 (   0 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :   78 (  29   ~;  27   |;  13   &)
%                                         (   5 <=>;   3  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   2 prp; 0-1 aty)
%            Number of functors    :    1 (   1 usr;   1 con; 0-0 aty)
%            Number of variables   :   24 (   3 sgn;  17   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ( ! [X0] :
        ( p
      <=> big_f(X0) )
   => ( p
    <=> ! [X1] : big_f(X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',pel22) ).

fof(f2,negated_conjecture,
    ~ ( ! [X0] :
          ( p
        <=> big_f(X0) )
     => ( p
      <=> ! [X1] : big_f(X1) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ( ( p
    <~> ! [X1] : big_f(X1) )
    & ! [X0] :
        ( p
      <=> big_f(X0) ) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f4,plain,
    ( ( ? [X1] : ~ big_f(X1)
      | ~ p )
    & ( ! [X1] : big_f(X1)
      | p )
    & ! [X0] :
        ( ( p
          | ~ big_f(X0) )
        & ( big_f(X0)
          | ~ p ) ) ),
    inference(nnf_transformation,[],[f3]) ).

fof(f5,plain,
    ( ( ? [X1] : ~ big_f(X1)
      | ~ p )
    & ( ! [X1] : big_f(X1)
      | p )
    & ! [X0] :
        ( ( p
          | ~ big_f(X0) )
        & ( big_f(X0)
          | ~ p ) ) ),
    inference(flattening,[],[f4]) ).

fof(f6,plain,
    ( ( ? [X0] : ~ big_f(X0)
      | ~ p )
    & ( ! [X1] : big_f(X1)
      | p )
    & ! [X2] :
        ( ( p
          | ~ big_f(X2) )
        & ( big_f(X2)
          | ~ p ) ) ),
    inference(rectify,[],[f5]) ).

fof(f7,plain,
    ( ? [X0] : ~ big_f(X0)
   => ~ big_f(sK0) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ( ( ~ big_f(sK0)
      | ~ p )
    & ( ! [X1] : big_f(X1)
      | p )
    & ! [X2] :
        ( ( p
          | ~ big_f(X2) )
        & ( big_f(X2)
          | ~ p ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f6,f7]) ).

fof(f9,plain,
    ! [X2] :
      ( big_f(X2)
      | ~ p ),
    inference(cnf_transformation,[],[f8]) ).

fof(f10,plain,
    ! [X2] :
      ( p
      | ~ big_f(X2) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f11,plain,
    ! [X1] :
      ( big_f(X1)
      | p ),
    inference(cnf_transformation,[],[f8]) ).

fof(f12,plain,
    ( ~ big_f(sK0)
    | ~ p ),
    inference(cnf_transformation,[],[f8]) ).

cnf(c_49,negated_conjecture,
    ( ~ big_f(sK0)
    | ~ p ),
    inference(cnf_transformation,[],[f12]) ).

cnf(c_50,negated_conjecture,
    ( big_f(X0)
    | p ),
    inference(cnf_transformation,[],[f11]) ).

cnf(c_51,negated_conjecture,
    ( ~ big_f(X0)
    | p ),
    inference(cnf_transformation,[],[f10]) ).

cnf(c_52,negated_conjecture,
    ( ~ p
    | big_f(X0) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_53,plain,
    ( big_f(sK0)
    | p ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_54,plain,
    ( ~ p
    | big_f(sK0) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_55,plain,
    ( ~ big_f(sK0)
    | p ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_56,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_49,c_55,c_54,c_53]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SYN052+1 : TPTP v8.1.2. Released v2.0.0.
% 0.00/0.12  % Command  : run_iprover %s %d THM
% 0.13/0.32  % Computer : n032.cluster.edu
% 0.13/0.32  % Model    : x86_64 x86_64
% 0.13/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.32  % Memory   : 8042.1875MB
% 0.13/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.32  % CPULimit : 300
% 0.13/0.32  % WCLimit  : 300
% 0.13/0.32  % DateTime : Sat Aug 26 17:48:29 EDT 2023
% 0.13/0.32  % CPUTime  : 
% 0.18/0.42  Running first-order theorem proving
% 0.18/0.42  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.54/1.06  % SZS status Started for theBenchmark.p
% 0.54/1.06  % SZS status Theorem for theBenchmark.p
% 0.54/1.06  
% 0.54/1.06  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.54/1.06  
% 0.54/1.06  ------  iProver source info
% 0.54/1.06  
% 0.54/1.06  git: date: 2023-05-31 18:12:56 +0000
% 0.54/1.06  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.54/1.06  git: non_committed_changes: false
% 0.54/1.06  git: last_make_outside_of_git: false
% 0.54/1.06  
% 0.54/1.06  ------ Parsing...
% 0.54/1.06  ------ Clausification by vclausify_rel  & Parsing by iProver...------  preprocesses with Option_epr_non_horn_non_eq
% 0.54/1.06  
% 0.54/1.06  
% 0.54/1.06  ------ Preprocessing...
% 0.54/1.06  
% 0.54/1.06  % SZS status Theorem for theBenchmark.p
% 0.54/1.06  
% 0.54/1.06  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.54/1.06  
% 0.54/1.06  
%------------------------------------------------------------------------------