TSTP Solution File: LCL109-2 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : LCL109-2 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n018.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 11:29:23 EDT 2023

% Result   : Unsatisfiable 3.94s 1.91s
% Output   : Refutation 3.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   16 (  11 unt;   5 typ;   0 def)
%            Number of atoms       :   11 (  10 equ;   0 cnn)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :   78 (   2   ~;   0   |;   0   &;  76   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    7 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   16 (   0   ^;  16   !;   0   ?;  16   :)

% Comments : 
%------------------------------------------------------------------------------
thf(implies_type,type,
    implies: $i > $i > $i ).

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

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

thf(truth_type,type,
    truth: $i ).

thf(not_type,type,
    not: $i > $i ).

thf(1,negated_conjecture,
    ( ( implies @ ( implies @ ( implies @ a @ b ) @ ( implies @ b @ a ) ) @ ( implies @ b @ a ) )
   != truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_wajsberg_mv_4) ).

thf(6,plain,
    ( ( implies @ ( implies @ ( implies @ a @ b ) @ ( implies @ b @ a ) ) @ ( implies @ b @ a ) )
   != truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(2,axiom,
    ! [A: $i] :
      ( ( implies @ truth @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_1) ).

thf(9,plain,
    ! [A: $i] :
      ( ( implies @ truth @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(4,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ B )
      = ( implies @ ( implies @ B @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_3) ).

thf(13,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ B )
      = ( implies @ ( implies @ B @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(3,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ B @ C ) @ ( implies @ A @ C ) ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_2) ).

thf(11,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ B @ C ) @ ( implies @ A @ C ) ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(5,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_4) ).

thf(15,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(152,plain,
    $false,
    inference(e,[status(thm)],[6,9,13,11,15]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL109-2 : TPTP v8.1.2. Released v1.0.0.
% 0.13/0.15  % Command  : run_Leo-III %s %d
% 0.15/0.35  % Computer : n018.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Thu May 18 15:57:13 EDT 2023
% 0.20/0.36  % CPUTime  : 
% 0.98/0.88  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.17/1.00  % [INFO] 	 Parsing done (119ms). 
% 1.17/1.01  % [INFO] 	 Running in sequential loop mode. 
% 1.66/1.20  % [INFO] 	 eprover registered as external prover. 
% 1.66/1.21  % [INFO] 	 cvc4 registered as external prover. 
% 1.66/1.21  % [INFO] 	 Scanning for conjecture ... 
% 1.85/1.26  % [INFO] 	 Found a conjecture and 4 axioms. Running axiom selection ... 
% 1.85/1.27  % [INFO] 	 Axiom selection finished. Selected 4 axioms (removed 0 axioms). 
% 1.85/1.28  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 1.85/1.28  % [INFO] 	 Type checking passed. 
% 1.85/1.29  % [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 ... 
% 3.94/1.91  % External prover 'e' found a proof!
% 3.94/1.91  % [INFO] 	 Killing All external provers ... 
% 3.94/1.91  % Time passed: 1396ms (effective reasoning time: 898ms)
% 3.94/1.91  % 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)>
% 3.94/1.91  % Axioms used in derivation (4): wajsberg_1, wajsberg_3, wajsberg_2, wajsberg_4
% 3.94/1.91  % No. of inferences in proof: 11
% 3.94/1.91  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1396 ms resp. 898 ms w/o parsing
% 3.94/1.93  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 3.94/1.93  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------