TSTP Solution File: SYN918+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SYN918+1 : TPTP v8.1.2. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n028.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 03:14:46 EDT 2023

% Result   : Theorem 0.68s 1.15s
% Output   : CNFRefutation 0.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   24 (   2 unt;   0 def)
%            Number of atoms       :  150 (   0 equ)
%            Maximal formula atoms :   15 (   6 avg)
%            Number of connectives :  191 (  65   ~;  60   |;  44   &)
%                                         (   0 <=>;  22  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-1 aty)
%            Number of functors    :    1 (   1 usr;   1 con; 0-0 aty)
%            Number of variables   :   54 (   2 sgn;  38   !;  10   ?)

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

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

fof(f3,plain,
    ~ ( ( ( ! [X0] :
              ( f(X0)
             => h(X0) )
          | ! [X1] :
              ( f(X1)
             => g(X1) ) )
        & ! [X2] :
            ( ( ( g(X2)
                & f(X2) )
             => h(X2) )
           => ? [X3] :
                ( ~ g(X3)
                & f(X3) ) ) )
     => ( ! [X4] :
            ( ( h(X4)
              & f(X4) )
           => g(X4) )
       => ? [X5] :
            ( ~ h(X5)
            & g(X5)
            & f(X5) ) ) ),
    inference(rectify,[],[f2]) ).

fof(f4,plain,
    ( ! [X5] :
        ( h(X5)
        | ~ g(X5)
        | ~ f(X5) )
    & ! [X4] :
        ( g(X4)
        | ~ h(X4)
        | ~ f(X4) )
    & ( ! [X0] :
          ( h(X0)
          | ~ f(X0) )
      | ! [X1] :
          ( g(X1)
          | ~ f(X1) ) )
    & ! [X2] :
        ( ? [X3] :
            ( ~ g(X3)
            & f(X3) )
        | ( ~ h(X2)
          & g(X2)
          & f(X2) ) ) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f5,plain,
    ( ! [X5] :
        ( h(X5)
        | ~ g(X5)
        | ~ f(X5) )
    & ! [X4] :
        ( g(X4)
        | ~ h(X4)
        | ~ f(X4) )
    & ( ! [X0] :
          ( h(X0)
          | ~ f(X0) )
      | ! [X1] :
          ( g(X1)
          | ~ f(X1) ) )
    & ! [X2] :
        ( ? [X3] :
            ( ~ g(X3)
            & f(X3) )
        | ( ~ h(X2)
          & g(X2)
          & f(X2) ) ) ),
    inference(flattening,[],[f4]) ).

fof(f6,plain,
    ( ! [X0] :
        ( h(X0)
        | ~ g(X0)
        | ~ f(X0) )
    & ! [X1] :
        ( g(X1)
        | ~ h(X1)
        | ~ f(X1) )
    & ( ! [X2] :
          ( h(X2)
          | ~ f(X2) )
      | ! [X3] :
          ( g(X3)
          | ~ f(X3) ) )
    & ! [X4] :
        ( ? [X5] :
            ( ~ g(X5)
            & f(X5) )
        | ( ~ h(X4)
          & g(X4)
          & f(X4) ) ) ),
    inference(rectify,[],[f5]) ).

fof(f7,plain,
    ( ? [X5] :
        ( ~ g(X5)
        & f(X5) )
   => ( ~ g(sK0)
      & f(sK0) ) ),
    introduced(choice_axiom,[]) ).

fof(f8,plain,
    ( ! [X0] :
        ( h(X0)
        | ~ g(X0)
        | ~ f(X0) )
    & ! [X1] :
        ( g(X1)
        | ~ h(X1)
        | ~ f(X1) )
    & ( ! [X2] :
          ( h(X2)
          | ~ f(X2) )
      | ! [X3] :
          ( g(X3)
          | ~ f(X3) ) )
    & ! [X4] :
        ( ( ~ g(sK0)
          & f(sK0) )
        | ( ~ h(X4)
          & g(X4)
          & f(X4) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f6,f7]) ).

fof(f9,plain,
    ! [X4] :
      ( f(sK0)
      | f(X4) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f14,plain,
    ! [X4] :
      ( ~ g(sK0)
      | ~ h(X4) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f15,plain,
    ! [X2,X3] :
      ( h(X2)
      | ~ f(X2)
      | g(X3)
      | ~ f(X3) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f16,plain,
    ! [X1] :
      ( g(X1)
      | ~ h(X1)
      | ~ f(X1) ),
    inference(cnf_transformation,[],[f8]) ).

fof(f17,plain,
    ! [X0] :
      ( h(X0)
      | ~ g(X0)
      | ~ f(X0) ),
    inference(cnf_transformation,[],[f8]) ).

cnf(c_49,negated_conjecture,
    ( ~ g(X0)
    | ~ f(X0)
    | h(X0) ),
    inference(cnf_transformation,[],[f17]) ).

cnf(c_50,negated_conjecture,
    ( ~ h(X0)
    | ~ f(X0)
    | g(X0) ),
    inference(cnf_transformation,[],[f16]) ).

cnf(c_51,negated_conjecture,
    ( ~ f(X0)
    | ~ f(X1)
    | h(X0)
    | g(X1) ),
    inference(cnf_transformation,[],[f15]) ).

cnf(c_52,negated_conjecture,
    ( ~ h(X0)
    | ~ g(sK0) ),
    inference(cnf_transformation,[],[f14]) ).

cnf(c_57,negated_conjecture,
    ( f(X0)
    | f(sK0) ),
    inference(cnf_transformation,[],[f9]) ).

cnf(c_58,plain,
    f(sK0),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_59,plain,
    ( ~ h(sK0)
    | ~ g(sK0) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_60,plain,
    ( ~ h(sK0)
    | ~ f(sK0)
    | g(sK0) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_61,plain,
    ( ~ g(sK0)
    | ~ f(sK0)
    | h(sK0) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_62,plain,
    ( ~ f(sK0)
    | h(sK0)
    | g(sK0) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_63,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_62,c_61,c_60,c_59,c_58]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN918+1 : TPTP v8.1.2. Released v3.1.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.34  % Computer : n028.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Sat Aug 26 18:53:52 EDT 2023
% 0.14/0.34  % CPUTime  : 
% 0.20/0.47  Running first-order theorem proving
% 0.20/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.68/1.15  % SZS status Started for theBenchmark.p
% 0.68/1.15  % SZS status Theorem for theBenchmark.p
% 0.68/1.15  
% 0.68/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.68/1.15  
% 0.68/1.15  ------  iProver source info
% 0.68/1.15  
% 0.68/1.15  git: date: 2023-05-31 18:12:56 +0000
% 0.68/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.68/1.15  git: non_committed_changes: false
% 0.68/1.15  git: last_make_outside_of_git: false
% 0.68/1.15  
% 0.68/1.15  ------ Parsing...
% 0.68/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...------  preprocesses with Option_epr_non_horn_non_eq
% 0.68/1.15  
% 0.68/1.15  
% 0.68/1.15  ------ Preprocessing...
% 0.68/1.15  
% 0.68/1.15  % SZS status Theorem for theBenchmark.p
% 0.68/1.15  
% 0.68/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.68/1.15  
% 0.68/1.15  
%------------------------------------------------------------------------------