TSTP Solution File: NUM681_8 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : NUM681_8 : TPTP v8.1.2. Released v8.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n021.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 11:41:47 EDT 2023

% Result   : Theorem 2.98s 1.64s
% Output   : Refutation 2.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   23 (   7 unt;   7 typ;   0 def)
%            Number of atoms       :   33 (  11 equ;   0 cnn)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  103 (  20   ~;   0   |;   0   &;  64   @)
%                                         (   0 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    9 (   6 usr;   5 con; 0-2 aty)
%            Number of variables   :   21 (   0   ^;  21   !;   0   ?;  21   :)

% Comments : 
%------------------------------------------------------------------------------
thf(nat_type,type,
    nat: $tType ).

thf(x_type,type,
    x: nat ).

thf(y_type,type,
    y: nat ).

thf(z_type,type,
    z: nat ).

thf(pl_type,type,
    pl: nat > nat > nat ).

thf(less_type,type,
    less: nat > nat > $o ).

thf(more_type,type,
    more: nat > nat > $o ).

thf(6,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( less @ A @ B )
     => ( less @ ( pl @ A @ C ) @ ( pl @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz19c) ).

thf(24,plain,
    ! [A: nat,B: nat,C: nat] :
      ( ( less @ A @ B )
     => ( less @ ( pl @ A @ C ) @ ( pl @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(5,axiom,
    ! [A: nat,B: nat] :
      ~ ( ( ( A = B )
         => ~ ( more @ A @ B ) )
       => ~ ~ ( ( ( more @ A @ B )
               => ~ ( less @ A @ B ) )
             => ~ ( ( less @ A @ B )
                 => ( A != B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz10b) ).

thf(14,plain,
    ! [A: nat,B: nat] :
      ~ ( ( ( A = B )
         => ~ ( more @ A @ B ) )
       => ( ( ( more @ A @ B )
           => ~ ( less @ A @ B ) )
         => ~ ( ( less @ A @ B )
             => ( A != B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(1,conjecture,
    x = y,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz20b) ).

thf(2,negated_conjecture,
    x != y,
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(9,plain,
    x != y,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(4,axiom,
    ! [A: $o] :
      ( ~ ~ A
     => A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',et) ).

thf(13,plain,
    $true,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(7,axiom,
    ! [A: nat,B: nat] :
      ( ( A != B )
     => ( ~ ( more @ A @ B )
       => ( less @ A @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz10a) ).

thf(27,plain,
    ! [A: nat,B: nat] :
      ( ( A != B )
     => ( ~ ( more @ A @ B )
       => ( less @ A @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(3,axiom,
    ( ( pl @ x @ z )
    = ( pl @ y @ z ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',i) ).

thf(11,plain,
    ( ( pl @ x @ z )
    = ( pl @ y @ z ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(8,axiom,
    ! [A: nat,B: nat,C: nat] :
      ( ( more @ A @ B )
     => ( more @ ( pl @ A @ C ) @ ( pl @ B @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz19a) ).

thf(30,plain,
    ! [A: nat,B: nat,C: nat] :
      ( ( more @ A @ B )
     => ( more @ ( pl @ A @ C ) @ ( pl @ B @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(33,plain,
    $false,
    inference(cvc4,[status(thm)],[24,14,9,13,27,11,30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : NUM681_8 : TPTP v8.1.2. Released v8.0.0.
% 0.16/0.15  % Command  : run_Leo-III %s %d
% 0.16/0.36  % Computer : n021.cluster.edu
% 0.16/0.36  % Model    : x86_64 x86_64
% 0.16/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.36  % Memory   : 8042.1875MB
% 0.16/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.36  % CPULimit : 300
% 0.16/0.36  % WCLimit  : 300
% 0.16/0.36  % DateTime : Thu May 18 17:00:58 EDT 2023
% 0.16/0.36  % CPUTime  : 
% 0.93/0.84  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.21/0.96  % [INFO] 	 Parsing done (119ms). 
% 1.21/0.96  % [INFO] 	 Running in sequential loop mode. 
% 1.60/1.16  % [INFO] 	 eprover registered as external prover. 
% 1.60/1.17  % [INFO] 	 cvc4 registered as external prover. 
% 1.60/1.17  % [INFO] 	 Scanning for conjecture ... 
% 1.71/1.22  % [INFO] 	 Found a conjecture and 6 axioms. Running axiom selection ... 
% 1.85/1.23  % [INFO] 	 Axiom selection finished. Selected 6 axioms (removed 0 axioms). 
% 1.93/1.26  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 1.93/1.26  % [INFO] 	 Type checking passed. 
% 1.93/1.26  % [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 ... 
% 2.98/1.63  % External prover 'cvc4' found a proof!
% 2.98/1.64  % [INFO] 	 Killing All external provers ... 
% 2.98/1.64  % Time passed: 1117ms (effective reasoning time: 668ms)
% 2.98/1.64  % 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)>
% 2.98/1.64  % Axioms used in derivation (6): satz10b, et, i, satz19c, satz10a, satz19a
% 2.98/1.64  % No. of inferences in proof: 16
% 2.98/1.64  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1117 ms resp. 668 ms w/o parsing
% 2.98/1.66  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 2.98/1.66  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------