TSTP Solution File: SYN346+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN346+1 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n019.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 03:06:34 EDT 2023

% Result   : Theorem 0.70s 1.16s
% Output   : CNFRefutation 0.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   16 (   5 unt;   0 def)
%            Number of atoms       :   75 (   0 equ)
%            Maximal formula atoms :   12 (   4 avg)
%            Number of connectives :   98 (  39   ~;  21   |;  30   &)
%                                         (   0 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   7 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
%            Number of variables   :   55 (   4 sgn;  29   !;  22   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,conjecture,
    ! [X0,X1] :
    ? [X2,X3] :
    ! [X4,X5] :
      ( big_f(X1,X4)
     => ( big_f(X2,X5)
       => ( ( big_f(X3,X5)
            & big_f(X1,X5) )
          | ( big_f(X3,X4)
            & big_f(X2,X4) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',church_46_17_2) ).

fof(f2,negated_conjecture,
    ~ ! [X0,X1] :
      ? [X2,X3] :
      ! [X4,X5] :
        ( big_f(X1,X4)
       => ( big_f(X2,X5)
         => ( ( big_f(X3,X5)
              & big_f(X1,X5) )
            | ( big_f(X3,X4)
              & big_f(X2,X4) ) ) ) ),
    inference(negated_conjecture,[],[f1]) ).

fof(f3,plain,
    ~ ! [X1] :
      ? [X2,X3] :
      ! [X4,X5] :
        ( big_f(X1,X4)
       => ( big_f(X2,X5)
         => ( ( big_f(X3,X5)
              & big_f(X1,X5) )
            | ( big_f(X3,X4)
              & big_f(X2,X4) ) ) ) ),
    inference(rectify,[],[f2]) ).

fof(f4,plain,
    ? [X1] :
    ! [X2,X3] :
    ? [X4,X5] :
      ( ( ~ big_f(X3,X5)
        | ~ big_f(X1,X5) )
      & ( ~ big_f(X3,X4)
        | ~ big_f(X2,X4) )
      & big_f(X2,X5)
      & big_f(X1,X4) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f5,plain,
    ? [X1] :
    ! [X2,X3] :
    ? [X4,X5] :
      ( ( ~ big_f(X3,X5)
        | ~ big_f(X1,X5) )
      & ( ~ big_f(X3,X4)
        | ~ big_f(X2,X4) )
      & big_f(X2,X5)
      & big_f(X1,X4) ),
    inference(flattening,[],[f4]) ).

fof(f6,plain,
    ? [X0] :
    ! [X1,X2] :
    ? [X3,X4] :
      ( ( ~ big_f(X2,X4)
        | ~ big_f(X0,X4) )
      & ( ~ big_f(X2,X3)
        | ~ big_f(X1,X3) )
      & big_f(X1,X4)
      & big_f(X0,X3) ),
    inference(rectify,[],[f5]) ).

fof(f7,plain,
    ( ? [X0] :
      ! [X1,X2] :
      ? [X3,X4] :
        ( ( ~ big_f(X2,X4)
          | ~ big_f(X0,X4) )
        & ( ~ big_f(X2,X3)
          | ~ big_f(X1,X3) )
        & big_f(X1,X4)
        & big_f(X0,X3) )
   => ! [X2,X1] :
      ? [X4,X3] :
        ( ( ~ big_f(X2,X4)
          | ~ big_f(sK0,X4) )
        & ( ~ big_f(X2,X3)
          | ~ big_f(X1,X3) )
        & big_f(X1,X4)
        & big_f(sK0,X3) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ! [X1,X2] :
      ( ? [X4,X3] :
          ( ( ~ big_f(X2,X4)
            | ~ big_f(sK0,X4) )
          & ( ~ big_f(X2,X3)
            | ~ big_f(X1,X3) )
          & big_f(X1,X4)
          & big_f(sK0,X3) )
     => ( ( ~ big_f(X2,sK2(X1,X2))
          | ~ big_f(sK0,sK2(X1,X2)) )
        & ( ~ big_f(X2,sK1(X1,X2))
          | ~ big_f(X1,sK1(X1,X2)) )
        & big_f(X1,sK2(X1,X2))
        & big_f(sK0,sK1(X1,X2)) ) ),
    introduced(choice_axiom,[]) ).

fof(f9,plain,
    ! [X1,X2] :
      ( ( ~ big_f(X2,sK2(X1,X2))
        | ~ big_f(sK0,sK2(X1,X2)) )
      & ( ~ big_f(X2,sK1(X1,X2))
        | ~ big_f(X1,sK1(X1,X2)) )
      & big_f(X1,sK2(X1,X2))
      & big_f(sK0,sK1(X1,X2)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f6,f8,f7]) ).

fof(f10,plain,
    ! [X2,X1] : big_f(sK0,sK1(X1,X2)),
    inference(cnf_transformation,[],[f9]) ).

fof(f12,plain,
    ! [X2,X1] :
      ( ~ big_f(X2,sK1(X1,X2))
      | ~ big_f(X1,sK1(X1,X2)) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_50,negated_conjecture,
    ( ~ big_f(X0,sK1(X1,X0))
    | ~ big_f(X1,sK1(X1,X0)) ),
    inference(cnf_transformation,[],[f12]) ).

cnf(c_52,negated_conjecture,
    big_f(sK0,sK1(X0,X1)),
    inference(cnf_transformation,[],[f10]) ).

cnf(c_53,plain,
    big_f(sK0,sK1(sK0,sK0)),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_55,plain,
    ~ big_f(sK0,sK1(sK0,sK0)),
    inference(instantiation,[status(thm)],[c_50]) ).

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


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SYN346+1 : TPTP v8.1.2. Released v2.0.0.
% 0.00/0.14  % Command  : run_iprover %s %d THM
% 0.17/0.35  % Computer : n019.cluster.edu
% 0.17/0.35  % Model    : x86_64 x86_64
% 0.17/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.35  % Memory   : 8042.1875MB
% 0.17/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.17/0.35  % CPULimit : 300
% 0.17/0.35  % WCLimit  : 300
% 0.17/0.35  % DateTime : Sat Aug 26 20:06:58 EDT 2023
% 0.17/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.70/1.16  % SZS status Started for theBenchmark.p
% 0.70/1.16  % SZS status Theorem for theBenchmark.p
% 0.70/1.16  
% 0.70/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.70/1.16  
% 0.70/1.16  ------  iProver source info
% 0.70/1.16  
% 0.70/1.16  git: date: 2023-05-31 18:12:56 +0000
% 0.70/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.70/1.16  git: non_committed_changes: false
% 0.70/1.16  git: last_make_outside_of_git: false
% 0.70/1.16  
% 0.70/1.16  ------ Parsing...
% 0.70/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.70/1.16  
% 0.70/1.16  ------ Preprocessing...
% 0.70/1.16  
% 0.70/1.16  % SZS status Theorem for theBenchmark.p
% 0.70/1.16  
% 0.70/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.70/1.16  
% 0.70/1.16  
%------------------------------------------------------------------------------