TSTP Solution File: LAT029-1 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : LAT029-1 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% 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 19 11:26:42 EDT 2023

% Result   : Unsatisfiable 2.68s 1.59s
% Output   : Refutation 2.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   17 (  11 unt;   4 typ;   0 def)
%            Number of atoms       :   19 (  18 equ;   0 cnn)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  118 (   8   ~;   6   |;   0   &; 104   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    5 (   3 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    6 (   4 usr;   3 con; 0-2 aty)
%            Number of variables   :   24 (   0   ^;  24   !;   0   ?;  24   :)

% Comments : 
%------------------------------------------------------------------------------
thf(meet_type,type,
    meet: $i > $i > $i ).

thf(a_type,type,
    a: $i ).

thf(b_type,type,
    b: $i ).

thf(join_type,type,
    join: $i > $i > $i ).

thf(2,axiom,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ B ) @ ( meet @ A @ ( join @ A @ B ) ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wal_absorbtion_1) ).

thf(10,plain,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ B ) @ ( meet @ A @ ( join @ A @ B ) ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(4,axiom,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ B ) @ ( meet @ B @ ( join @ A @ B ) ) )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wal_absorbtion_3) ).

thf(14,plain,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ B ) @ ( meet @ B @ ( join @ A @ B ) ) )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(3,axiom,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ A ) @ ( meet @ B @ ( join @ A @ A ) ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wal_absorbtion_2) ).

thf(12,plain,
    ! [B: $i,A: $i] :
      ( ( join @ ( meet @ A @ A ) @ ( meet @ B @ ( join @ A @ A ) ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(1,negated_conjecture,
    ( ( ( meet @ a @ a )
     != a )
    | ( ( meet @ b @ a )
     != ( meet @ a @ b ) )
    | ( ( join @ a @ a )
     != a )
    | ( ( join @ b @ a )
     != ( join @ a @ b ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_normal_axioms) ).

thf(7,plain,
    ( ( ( meet @ a @ a )
     != a )
    | ( ( meet @ b @ a )
     != ( meet @ a @ b ) )
    | ( ( join @ a @ a )
     != a )
    | ( ( join @ b @ a )
     != ( join @ a @ b ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(6,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( join @ ( join @ ( meet @ A @ B ) @ ( meet @ C @ A ) ) @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wal_absorbtion_5) ).

thf(18,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( join @ ( join @ ( meet @ A @ B ) @ ( meet @ C @ A ) ) @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(5,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( meet @ ( meet @ ( join @ A @ B ) @ ( join @ C @ A ) ) @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wal_absorbtion_4) ).

thf(16,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( meet @ ( meet @ ( join @ A @ B ) @ ( join @ C @ A ) ) @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(23,plain,
    $false,
    inference(e,[status(thm)],[10,14,12,7,18,16]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT029-1 : TPTP v8.1.2. Released v2.2.0.
% 0.03/0.16  % Command  : run_Leo-III %s %d
% 0.16/0.37  % Computer : n022.cluster.edu
% 0.16/0.37  % Model    : x86_64 x86_64
% 0.16/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.37  % Memory   : 8042.1875MB
% 0.16/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.37  % CPULimit : 300
% 0.16/0.37  % WCLimit  : 300
% 0.16/0.37  % DateTime : Thu May 18 14:22:03 EDT 2023
% 0.16/0.37  % CPUTime  : 
% 0.98/0.86  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.14/0.98  % [INFO] 	 Parsing done (112ms). 
% 1.27/0.99  % [INFO] 	 Running in sequential loop mode. 
% 1.62/1.19  % [INFO] 	 eprover registered as external prover. 
% 1.62/1.19  % [INFO] 	 cvc4 registered as external prover. 
% 1.62/1.19  % [INFO] 	 Scanning for conjecture ... 
% 1.79/1.24  % [INFO] 	 Found a conjecture and 5 axioms. Running axiom selection ... 
% 1.87/1.26  % [INFO] 	 Axiom selection finished. Selected 5 axioms (removed 0 axioms). 
% 1.87/1.27  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 1.87/1.27  % [INFO] 	 Type checking passed. 
% 1.87/1.28  % [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 ... 
% 2.68/1.58  % External prover 'e' found a proof!
% 2.68/1.58  % [INFO] 	 Killing All external provers ... 
% 2.68/1.59  % Time passed: 1060ms (effective reasoning time: 597ms)
% 2.68/1.59  % 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)>
% 2.68/1.59  % Axioms used in derivation (5): wal_absorbtion_3, wal_absorbtion_2, wal_absorbtion_1, wal_absorbtion_5, wal_absorbtion_4
% 2.68/1.59  % No. of inferences in proof: 13
% 2.68/1.59  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1060 ms resp. 597 ms w/o parsing
% 2.93/1.66  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 2.93/1.66  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------