TSTP Solution File: NUM762_8 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : NUM762_8 : TPTP v8.1.2. Released v8.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n017.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 11:42:05 EDT 2023

% Result   : Theorem 2.84s 1.63s
% Output   : Refutation 2.84s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   28 (   9 unt;   8 typ;   0 def)
%            Number of atoms       :   37 (   0 equ;   0 cnn)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  131 (   6   ~;   0   |;   0   &; 106   @)
%                                         (   0 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   7 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    9 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   33 (   0   ^;  33   !;   0   ?;  33   :)

% Comments : 
%------------------------------------------------------------------------------
thf(frac_type,type,
    frac: $tType ).

thf(x_type,type,
    x: frac ).

thf(y_type,type,
    y: frac ).

thf(z_type,type,
    z: frac ).

thf(u_type,type,
    u: frac ).

thf(moref_type,type,
    moref: frac > frac > $o ).

thf(eq_type,type,
    eq: frac > frac > $o ).

thf(pf_type,type,
    pf: frac > frac > frac ).

thf(9,axiom,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( eq @ A @ B )
     => ( ( eq @ C @ D )
       => ( eq @ ( pf @ A @ C ) @ ( pf @ B @ D ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz56) ).

thf(24,plain,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( eq @ A @ B )
     => ( ( eq @ C @ D )
       => ( eq @ ( pf @ A @ C ) @ ( pf @ B @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(4,axiom,
    ( ~ ( moref @ z @ u )
   => ( eq @ z @ u ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',n) ).

thf(13,plain,
    ( ~ ( moref @ z @ u )
   => ( eq @ z @ u ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(3,axiom,
    moref @ x @ y,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',m) ).

thf(12,plain,
    moref @ x @ y,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(6,axiom,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( moref @ A @ B )
     => ( ( eq @ A @ C )
       => ( ( eq @ B @ D )
         => ( moref @ C @ D ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz44) ).

thf(16,plain,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( moref @ A @ B )
     => ( ( eq @ A @ C )
       => ( ( eq @ B @ D )
         => ( moref @ C @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(1,conjecture,
    moref @ ( pf @ x @ z ) @ ( pf @ y @ u ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz65b) ).

thf(2,negated_conjecture,
    ~ ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(11,plain,
    ~ ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(7,axiom,
    ! [A: frac,B: frac,C: frac] :
      ( ( moref @ A @ B )
     => ( moref @ ( pf @ A @ C ) @ ( pf @ B @ C ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz61) ).

thf(19,plain,
    ! [A: frac,B: frac,C: frac] :
      ( ( moref @ A @ B )
     => ( moref @ ( pf @ A @ C ) @ ( pf @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(5,axiom,
    ! [A: $o] :
      ( ~ ~ A
     => A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',et) ).

thf(15,plain,
    $true,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(8,axiom,
    ! [A: frac] : ( eq @ A @ A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz37) ).

thf(22,plain,
    ! [A: frac] : ( eq @ A @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(10,axiom,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( moref @ A @ B )
     => ( ( moref @ C @ D )
       => ( moref @ ( pf @ A @ C ) @ ( pf @ B @ D ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',satz64) ).

thf(27,plain,
    ! [A: frac,B: frac,C: frac,D: frac] :
      ( ( moref @ A @ B )
     => ( ( moref @ C @ D )
       => ( moref @ ( pf @ A @ C ) @ ( pf @ B @ D ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(32,plain,
    $false,
    inference(cvc4,[status(thm)],[24,13,12,16,11,19,15,22,27]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : NUM762_8 : TPTP v8.1.2. Released v8.0.0.
% 0.11/0.15  % Command  : run_Leo-III %s %d
% 0.14/0.35  % Computer : n017.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Thu May 18 17:06:16 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.88/0.83  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.21/0.95  % [INFO] 	 Parsing done (114ms). 
% 1.21/0.95  % [INFO] 	 Running in sequential loop mode. 
% 1.48/1.15  % [INFO] 	 eprover registered as external prover. 
% 1.48/1.15  % [INFO] 	 cvc4 registered as external prover. 
% 1.48/1.15  % [INFO] 	 Scanning for conjecture ... 
% 1.71/1.21  % [INFO] 	 Found a conjecture and 8 axioms. Running axiom selection ... 
% 1.81/1.23  % [INFO] 	 Axiom selection finished. Selected 8 axioms (removed 0 axioms). 
% 1.85/1.25  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 1.85/1.25  % [INFO] 	 Type checking passed. 
% 1.85/1.25  % [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 ... 
% 2.84/1.63  % External prover 'cvc4' found a proof!
% 2.84/1.63  % [INFO] 	 Killing All external provers ... 
% 2.84/1.63  % Time passed: 1120ms (effective reasoning time: 675ms)
% 2.84/1.63  % 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)>
% 2.84/1.63  % Axioms used in derivation (8): n, m, satz61, satz44, satz64, satz56, satz37, et
% 2.84/1.63  % No. of inferences in proof: 20
% 2.84/1.63  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1120 ms resp. 675 ms w/o parsing
% 2.84/1.66  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 2.84/1.66  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------