TSTP Solution File: NUM695_8 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : NUM695_8 : TPTP v8.1.2. Released v8.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% 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 : Fri May 19 11:41:51 EDT 2023

% Result   : Theorem 2.44s 1.49s
% Output   : Refutation 2.75s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   20 (  11 unt;   6 typ;   0 def)
%            Number of atoms       :   15 (   8 equ;   0 cnn)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   42 (  12   ~;   0   |;   0   &;  27   @)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   4 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    5 (   5   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   13 (   0   ^;  13   !;   0   ?;  13   :)

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

thf(x_type,type,
    x: nat ).

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

thf(suc_type,type,
    suc: nat > nat ).

thf(n_1_type,type,
    n_1: nat ).

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

thf(4,axiom,
    ! [A: nat] :
      ( ( A != n_1 )
     => ~ ! [B: nat] :
            ( A
           != ( suc @ B ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz3) ).

thf(10,plain,
    ! [A: nat] :
      ( ( A != n_1 )
     => ~ ! [B: nat] :
            ( A
           != ( suc @ B ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(5,axiom,
    ! [A: nat] :
      ( ( suc @ A )
     != n_1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ax3) ).

thf(14,plain,
    ! [A: nat] :
      ( ( suc @ A )
     != n_1 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(7,axiom,
    ! [A: nat] :
      ( ( suc @ A )
      = ( pl @ n_1 @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz4g) ).

thf(20,plain,
    ! [A: nat] :
      ( ( suc @ A )
      = ( pl @ n_1 @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(3,axiom,
    ! [A: $o] :
      ( ~ ~ A
     => A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',et) ).

thf(9,plain,
    $true,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(6,axiom,
    ! [A: nat,B: nat] : ( more @ ( pl @ A @ B ) @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz18) ).

thf(18,plain,
    ! [A: nat,B: nat] : ( more @ ( pl @ A @ B ) @ A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(1,conjecture,
    more @ ( suc @ x ) @ n_1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz24b) ).

thf(2,negated_conjecture,
    ~ ( more @ ( suc @ x ) @ n_1 ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(8,plain,
    ~ ( more @ ( suc @ x ) @ n_1 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(23,plain,
    $false,
    inference(cvc4,[status(thm)],[10,14,20,9,18,8]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : NUM695_8 : TPTP v8.1.2. Released v8.0.0.
% 0.06/0.14  % Command  : run_Leo-III %s %d
% 0.15/0.34  % Computer : n020.cluster.edu
% 0.15/0.34  % Model    : x86_64 x86_64
% 0.15/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.34  % Memory   : 8042.1875MB
% 0.15/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.34  % CPULimit : 300
% 0.15/0.34  % WCLimit  : 300
% 0.15/0.34  % DateTime : Thu May 18 17:39:33 EDT 2023
% 0.15/0.34  % CPUTime  : 
% 0.90/0.82  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 0.96/0.92  % [INFO] 	 Parsing done (102ms). 
% 0.96/0.93  % [INFO] 	 Running in sequential loop mode. 
% 1.51/1.12  % [INFO] 	 eprover registered as external prover. 
% 1.62/1.12  % [INFO] 	 cvc4 registered as external prover. 
% 1.62/1.12  % [INFO] 	 Scanning for conjecture ... 
% 1.71/1.17  % [INFO] 	 Found a conjecture and 5 axioms. Running axiom selection ... 
% 1.71/1.19  % [INFO] 	 Axiom selection finished. Selected 5 axioms (removed 0 axioms). 
% 1.71/1.20  % [INFO] 	 Problem is typed first-order (TPTP TFF). 
% 1.71/1.20  % [INFO] 	 Type checking passed. 
% 1.71/1.20  % [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 ... 
% 2.44/1.49  % External prover 'cvc4' found a proof!
% 2.44/1.49  % [INFO] 	 Killing All external provers ... 
% 2.44/1.49  % Time passed: 989ms (effective reasoning time: 555ms)
% 2.44/1.49  % 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)>
% 2.44/1.49  % Axioms used in derivation (5): satz18, satz3, et, ax3, satz4g
% 2.44/1.49  % No. of inferences in proof: 14
% 2.44/1.49  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 989 ms resp. 555 ms w/o parsing
% 2.75/1.55  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 2.75/1.55  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------