TSTP Solution File: PUZ035-2 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : PUZ035-2 : TPTP v8.1.2. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n014.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 11:47:30 EDT 2023

% Result   : Unsatisfiable 3.09s 1.66s
% Output   : Refutation 3.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   27
% Syntax   : Number of formulae    :   44 (   5 unt;  11 typ;   0 def)
%            Number of atoms       :   85 (   0 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  218 (  48   ~;  52   |;   0   &; 118   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   12 (  11 usr;   7 con; 0-2 aty)
%            Number of variables   :   24 (   0   ^;  24   !;   0   ?;  24   :)

% Comments : 
%------------------------------------------------------------------------------
thf(response_type,type,
    response: $i > $o ).

thf(isa_type,type,
    isa: $i > $i > $o ).

thf(asked_type,type,
    asked: $i ).

thf(other_type,type,
    other: $i ).

thf(tell_the_truth_type,type,
    tell_the_truth: $i > $o ).

thf(lies_type,type,
    lies: $i > $o ).

thf(person_type,type,
    person: $i > $o ).

thf(knight_type,type,
    knight: $i ).

thf(yes_type,type,
    yes: $i ).

thf(no_type,type,
    no: $i ).

thf(knave_type,type,
    knave: $i ).

thf(5,axiom,
    ( ( response @ no )
    | ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( tell_the_truth @ asked ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',truthful_answer) ).

thf(25,plain,
    ( ( response @ no )
    | ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( tell_the_truth @ asked ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(7,axiom,
    person @ other,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',other_person) ).

thf(29,plain,
    person @ other,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ~ ( response @ yes )
      | ~ ( lies @ asked )
      | ~ ( isa @ A @ knight ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',knight_answers1) ).

thf(41,plain,
    ! [A: $i] :
      ( ~ ( response @ yes )
      | ~ ( lies @ asked )
      | ~ ( isa @ A @ knight ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(6,axiom,
    ! [A: $i] :
      ( ~ ( isa @ A @ knight )
      | ~ ( isa @ A @ knave ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',not_both_a_knight_and_knave) ).

thf(27,plain,
    ! [A: $i] :
      ( ~ ( isa @ A @ knight )
      | ~ ( isa @ A @ knave ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(15,axiom,
    ! [A: $i] :
      ( ~ ( isa @ A @ knave )
      | ( lies @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',knaves_make_false_statements) ).

thf(43,plain,
    ! [A: $i] :
      ( ~ ( isa @ A @ knave )
      | ( lies @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ~ ( response @ no )
      | ~ ( tell_the_truth @ asked )
      | ~ ( isa @ A @ knight ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',knight_answers2) ).

thf(38,plain,
    ! [A: $i] :
      ( ~ ( response @ no )
      | ~ ( tell_the_truth @ asked )
      | ~ ( isa @ A @ knight ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ~ ( person @ A )
      | ( tell_the_truth @ A )
      | ( lies @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',statements_are_true_or_false2) ).

thf(21,plain,
    ! [A: $i] :
      ( ~ ( person @ A )
      | ( tell_the_truth @ A )
      | ( lies @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(16,axiom,
    ! [A: $i] :
      ( ~ ( person @ A )
      | ( isa @ A @ knight )
      | ( isa @ A @ knave ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',everyone_a_knight_or_knave) ).

thf(45,plain,
    ! [A: $i] :
      ( ~ ( person @ A )
      | ( isa @ A @ knight )
      | ( isa @ A @ knave ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(1,negated_conjecture,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( response @ A )
      | ~ ( isa @ asked @ B )
      | ~ ( isa @ other @ C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_answer) ).

thf(17,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ~ ( response @ A )
      | ~ ( isa @ asked @ B )
      | ~ ( isa @ other @ C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(9,axiom,
    ! [A: $i] :
      ( ~ ( isa @ A @ knight )
      | ( tell_the_truth @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',knights_make_true_statements) ).

thf(32,plain,
    ! [A: $i] :
      ( ~ ( isa @ A @ knight )
      | ( tell_the_truth @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(10,axiom,
    ( ( response @ yes )
    | ( response @ no ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_answers) ).

thf(34,plain,
    ( ( response @ yes )
    | ( response @ no ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(13,axiom,
    person @ asked,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',asked_person) ).

thf(40,plain,
    person @ asked,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(4,axiom,
    ( ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( response @ yes )
    | ~ ( tell_the_truth @ asked ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',true_one_is_a_knight) ).

thf(23,plain,
    ( ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( response @ yes )
    | ~ ( tell_the_truth @ asked ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(11,axiom,
    ! [A: $i] :
      ( ( response @ yes )
      | ~ ( tell_the_truth @ asked )
      | ~ ( isa @ A @ knight ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',knight_answers3) ).

thf(36,plain,
    ! [A: $i] :
      ( ( response @ yes )
      | ~ ( tell_the_truth @ asked )
      | ~ ( isa @ A @ knight ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(8,axiom,
    ( ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( response @ no )
    | ~ ( lies @ asked ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',lie_one_is_a_knight) ).

thf(30,plain,
    ( ( isa @ asked @ knight )
    | ( isa @ other @ knight )
    | ~ ( response @ no )
    | ~ ( lies @ asked ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(2,axiom,
    ! [A: $i] :
      ( ~ ( tell_the_truth @ A )
      | ~ ( lies @ A ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',statements_are_true_or_false) ).

thf(19,plain,
    ! [A: $i] :
      ( ~ ( tell_the_truth @ A )
      | ~ ( lies @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(50,plain,
    $false,
    inference(e,[status(thm)],[25,29,41,27,43,38,21,45,17,32,34,40,23,36,30,19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : PUZ035-2 : TPTP v8.1.2. Released v2.0.0.
% 0.11/0.13  % Command  : run_Leo-III %s %d
% 0.13/0.34  % Computer : n014.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Thu May 18 19:57:28 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.87/0.83  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.25/0.95  % [INFO] 	 Parsing done (111ms). 
% 1.25/0.95  % [INFO] 	 Running in sequential loop mode. 
% 1.52/1.17  % [INFO] 	 eprover registered as external prover. 
% 1.52/1.17  % [INFO] 	 cvc4 registered as external prover. 
% 1.52/1.17  % [INFO] 	 Scanning for conjecture ... 
% 1.85/1.23  % [INFO] 	 Found a conjecture and 15 axioms. Running axiom selection ... 
% 1.93/1.28  % [INFO] 	 Axiom selection finished. Selected 15 axioms (removed 0 axioms). 
% 1.93/1.30  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 1.93/1.30  % [INFO] 	 Type checking passed. 
% 1.93/1.30  % [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 ... 
% 3.09/1.66  % External prover 'e' found a proof!
% 3.09/1.66  % [INFO] 	 Killing All external provers ... 
% 3.09/1.66  % Time passed: 1155ms (effective reasoning time: 704ms)
% 3.09/1.66  % 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)>
% 3.09/1.66  % Axioms used in derivation (15): everyone_a_knight_or_knave, two_answers, truthful_answer, knaves_make_false_statements, other_person, statements_are_true_or_false, knights_make_true_statements, lie_one_is_a_knight, knight_answers2, true_one_is_a_knight, not_both_a_knight_and_knave, knight_answers1, statements_are_true_or_false2, asked_person, knight_answers3
% 3.09/1.66  % No. of inferences in proof: 33
% 3.09/1.66  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 1155 ms resp. 704 ms w/o parsing
% 3.27/1.75  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.27/1.75  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------