TSTP Solution File: SEV239^5 by Leo-III---1.7.15

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.15
% Problem  : SEV239^5 : TPTP v8.2.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d THM

% Computer : n020.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 : Mon Jun 24 15:58:35 EDT 2024

% Result   : Theorem 3.91s 1.85s
% Output   : Refutation 3.91s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   30 (  15 unt;   0 typ;   0 def)
%            Number of atoms       :   91 (  42 equ;  13 cnn)
%            Maximal formula atoms :    4 (   3 avg)
%            Number of connectives :  137 (  29   ~;  23   |;  14   &;  71   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   3 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    9 (   9   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   4 usr;   5 con; 0-2 aty)
%            Number of variables   :   26 (   4   ^   8   !;  14   ?;  26   :)

% Comments : 
%------------------------------------------------------------------------------
thf(a_type,type,
    a: $tType ).

thf(y_type,type,
    y: a > $o ).

thf(sk1_type,type,
    sk1: a ).

thf(sk2_type,type,
    sk2: a > $o ).

thf(sk3_type,type,
    sk3: a ).

thf(1,conjecture,
    ( y
    = ( ^ [A: a] :
        ? [B: a > $o] :
          ( ? [C: a] :
              ( ( y @ C )
              & ( B
                = ( (=) @ a @ C ) ) )
          & ( B @ A ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cX5211_pme) ).

thf(2,negated_conjecture,
    ( y
   != ( ^ [A: a] :
        ? [B: a > $o] :
          ( ? [C: a] :
              ( ( y @ C )
              & ( B
                = ( (=) @ a @ C ) ) )
          & ( B @ A ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( y
   != ( ^ [A: a] :
        ? [B: a > $o] :
          ( ? [C: a] :
              ( ( y @ C )
              & ( B
                = ( (=) @ a @ C ) ) )
          & ( B @ A ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(4,plain,
    ( y
   != ( ^ [A: a] :
        ? [B: a > $o] :
          ( ? [C: a] :
              ( ( y @ C )
              & ( B
                = ( (=) @ a @ C ) ) )
          & ( B @ A ) ) ) ),
    inference(lifteq,[status(thm)],[3]) ).

thf(5,plain,
    ( ( y @ sk1 )
   != ( ? [A: a > $o] :
          ( ? [B: a] :
              ( ( y @ B )
              & ( A
                = ( (=) @ a @ B ) ) )
          & ( A @ sk1 ) ) ) ),
    inference(func_ext,[status(esa)],[4]) ).

thf(7,plain,
    ( ( y @ sk1 )
    | ? [A: a > $o] :
        ( ? [B: a] :
            ( ( y @ B )
            & ( A
              = ( (=) @ a @ B ) ) )
        & ( A @ sk1 ) ) ),
    inference(bool_ext,[status(thm)],[5]) ).

thf(11,plain,
    ( ( sk2 @ sk1 )
    | ( y @ sk1 ) ),
    inference(cnf,[status(esa)],[7]) ).

thf(6,plain,
    ( ~ ( y @ sk1 )
    | ~ ? [A: a > $o] :
          ( ? [B: a] :
              ( ( y @ B )
              & ( A
                = ( (=) @ a @ B ) ) )
          & ( A @ sk1 ) ) ),
    inference(bool_ext,[status(thm)],[5]) ).

thf(8,plain,
    ! [B: a,A: a > $o] :
      ( ~ ( y @ B )
      | ( A
       != ( (=) @ a @ B ) )
      | ~ ( A @ sk1 )
      | ~ ( y @ sk1 ) ),
    inference(cnf,[status(esa)],[6]) ).

thf(9,plain,
    ! [B: a,A: a > $o] :
      ( ( A
       != ( (=) @ a @ B ) )
      | ~ ( y @ B )
      | ~ ( A @ sk1 )
      | ~ ( y @ sk1 ) ),
    inference(lifteq,[status(thm)],[8]) ).

thf(10,plain,
    ! [A: a] :
      ( ~ ( y @ A )
      | ( A != sk1 )
      | ~ ( y @ sk1 ) ),
    inference(simp,[status(thm)],[9]) ).

thf(23,plain,
    ! [A: a] :
      ( ( A != sk1 )
      | ~ ( y @ A )
      | ~ ( y @ sk1 ) ),
    inference(lifteq,[status(thm)],[10]) ).

thf(29,plain,
    ! [A: a] :
      ( ( A != sk1 )
      | ~ ( y @ A )
      | ( ( y @ sk1 )
       != ( y @ A ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[23]) ).

thf(30,plain,
    ( ( sk1 != sk1 )
    | ~ ( y @ sk1 ) ),
    inference(pattern_uni,[status(thm)],[29:[bind(A,$thf( sk1 ))]]) ).

thf(31,plain,
    ~ ( y @ sk1 ),
    inference(pattern_uni,[status(thm)],[30:[]]) ).

thf(37,plain,
    ( ( sk2 @ sk1 )
    | $false ),
    inference(rewrite,[status(thm)],[11,31]) ).

thf(38,plain,
    sk2 @ sk1,
    inference(simp,[status(thm)],[37]) ).

thf(12,plain,
    ( ( sk2
      = ( (=) @ a @ sk3 ) )
    | ( y @ sk1 ) ),
    inference(cnf,[status(esa)],[7]) ).

thf(14,plain,
    ( ( sk2
      = ( (=) @ a @ sk3 ) )
    | ( y @ sk1 ) ),
    inference(lifteq,[status(thm)],[12]) ).

thf(47,plain,
    ( ( sk2
      = ( (=) @ a @ sk3 ) )
    | $false ),
    inference(rewrite,[status(thm)],[14,31]) ).

thf(48,plain,
    ( sk2
    = ( (=) @ a @ sk3 ) ),
    inference(simp,[status(thm)],[47]) ).

thf(49,plain,
    ! [A: a] :
      ( ( sk2 @ A )
      = ( sk3 = A ) ),
    inference(func_ext,[status(esa)],[48]) ).

thf(62,plain,
    sk3 = sk1,
    inference(rewrite,[status(thm)],[38,49]) ).

thf(67,plain,
    sk3 = sk1,
    inference(lifteq,[status(thm)],[62]) ).

thf(13,plain,
    ( ( y @ sk3 )
    | ( y @ sk1 ) ),
    inference(cnf,[status(esa)],[7]) ).

thf(39,plain,
    ( ( y @ sk3 )
    | $false ),
    inference(rewrite,[status(thm)],[13,31]) ).

thf(40,plain,
    y @ sk3,
    inference(simp,[status(thm)],[39]) ).

thf(50,plain,
    ( ( y @ sk3 )
   != ( y @ sk1 ) ),
    inference(paramod_ordered,[status(thm)],[40,31]) ).

thf(51,plain,
    sk3 != sk1,
    inference(simp,[status(thm)],[50]) ).

thf(71,plain,
    $false,
    inference(simplifyReflect,[status(thm)],[67,51]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : SEV239^5 : TPTP v8.2.0. Released v4.0.0.
% 0.04/0.12  % Command  : run_Leo-III %s %d THM
% 0.13/0.33  % Computer : n020.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Fri Jun 21 19:12:55 EDT 2024
% 0.13/0.33  % CPUTime  : 
% 0.96/0.88  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.21/0.99  % [INFO] 	 Parsing done (103ms). 
% 1.21/0.99  % [INFO] 	 Running in sequential loop mode. 
% 1.61/1.19  % [INFO] 	 eprover registered as external prover. 
% 1.61/1.19  % [INFO] 	 Scanning for conjecture ... 
% 1.74/1.24  % [INFO] 	 Found a conjecture (or negated_conjecture) and 0 axioms. Running axiom selection ... 
% 1.78/1.26  % [INFO] 	 Axiom selection finished. Selected 0 axioms (removed 0 axioms). 
% 1.78/1.26  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 1.78/1.26  % [INFO] 	 Type checking passed. 
% 1.78/1.27  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 3.91/1.85  % [INFO] 	 Killing All external provers ... 
% 3.91/1.85  % Time passed: 1302ms (effective reasoning time: 850ms)
% 3.91/1.85  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 3.91/1.85  % Axioms used in derivation (0): 
% 3.91/1.85  % No. of inferences in proof: 30
% 3.91/1.85  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1302 ms resp. 850 ms w/o parsing
% 3.91/1.88  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.91/1.88  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------