TSTP Solution File: PUZ026-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n025.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  : 600s
% DateTime : Mon Jul 18 18:23:52 EDT 2022

% Result   : Unsatisfiable 0.72s 0.99s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n025.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat May 28 19:58:41 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/0.98  ============================== Prover9 ===============================
% 0.42/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.42/0.98  Process 7669 was started by sandbox2 on n025.cluster.edu,
% 0.42/0.98  Sat May 28 19:58:41 2022
% 0.42/0.98  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_7516_n025.cluster.edu".
% 0.42/0.98  ============================== end of head ===========================
% 0.42/0.98  
% 0.42/0.98  ============================== INPUT =================================
% 0.42/0.98  
% 0.42/0.98  % Reading from file /tmp/Prover9_7516_n025.cluster.edu
% 0.42/0.98  
% 0.42/0.98  set(prolog_style_variables).
% 0.42/0.98  set(auto2).
% 0.42/0.98      % set(auto2) -> set(auto).
% 0.42/0.98      % set(auto) -> set(auto_inference).
% 0.42/0.98      % set(auto) -> set(auto_setup).
% 0.42/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.42/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.42/0.98      % set(auto) -> set(auto_limits).
% 0.42/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.42/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.42/0.98      % set(auto) -> set(auto_denials).
% 0.42/0.98      % set(auto) -> set(auto_process).
% 0.42/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.42/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.42/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.42/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.42/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.42/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.42/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.42/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.42/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.42/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.42/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.42/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.42/0.98      % set(auto2) -> assign(stats, some).
% 0.42/0.98      % set(auto2) -> clear(echo_input).
% 0.42/0.98      % set(auto2) -> set(quiet).
% 0.42/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.42/0.98      % set(auto2) -> clear(print_given).
% 0.42/0.98  assign(lrs_ticks,-1).
% 0.42/0.98  assign(sos_limit,10000).
% 0.42/0.98  assign(order,kbo).
% 0.42/0.98  set(lex_order_vars).
% 0.42/0.98  clear(print_given).
% 0.42/0.98  
% 0.42/0.98  % formulas(sos).  % not echoed (23 formulas)
% 0.42/0.98  
% 0.42/0.98  ============================== end of input ==========================
% 0.42/0.98  
% 0.42/0.98  % From the command line: assign(max_seconds, 300).
% 0.42/0.98  
% 0.42/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.42/0.98  
% 0.42/0.98  % Formulas that are not ordinary clauses:
% 0.42/0.98  
% 0.42/0.98  ============================== end of process non-clausal formulas ===
% 0.42/0.98  
% 0.42/0.98  ============================== PROCESS INITIAL CLAUSES ===============
% 0.42/0.98  
% 0.42/0.98  ============================== PREDICATE ELIMINATION =================
% 0.42/0.98  1 -people(A,B,C) | -a_truth(truthteller(A)) | -a_truth(truthteller(B)) # label(not_two_truthtellers1) # label(axiom).  [assumption].
% 0.42/0.98  2 people(a,b,c) # label(a_b_c_are_people) # label(hypothesis).  [assumption].
% 0.42/0.98  3 people(b,c,a) # label(b_c_a_are_people) # label(hypothesis).  [assumption].
% 0.42/0.98  4 people(c,b,a) # label(c_b_a_are_people) # label(hypothesis).  [assumption].
% 0.42/0.98  Derived: -a_truth(truthteller(a)) | -a_truth(truthteller(b)).  [resolve(1,a,2,a)].
% 0.42/0.98  Derived: -a_truth(truthteller(b)) | -a_truth(truthteller(c)).  [resolve(1,a,3,a)].
% 0.42/0.98  5 -people(A,B,C) | -a_truth(truthteller(A)) | -a_truth(truthteller(C)) # label(not_two_truthtellers2) # label(axiom).  [assumption].
% 0.42/0.98  Derived: -a_truth(truthteller(a)) | -a_truth(truthteller(c)).  [resolve(5,a,2,a)].
% 0.42/0.98  6 -people(A,B,C) | -a_truth(liar(A)) | -a_truth(liar(B)) # label(not_two_liars1) # label(axiom).  [assumption].
% 0.42/0.98  Derived: -a_truth(liar(a)) | -a_truth(liar(b)).  [resolve(6,a,2,a)].
% 0.42/0.98  Derived: -a_truth(liar(b)) | -a_truth(liar(c)).  [resolve(6,a,3,a)].
% 0.42/0.98  7 -people(A,B,C) | -a_truth(liar(A)) | -a_truth(liar(C)) # label(not_two_liars2) # label(axiom).  [assumption].
% 0.42/0.98  Derived: -a_truth(liar(a)) | -a_truth(liar(c)).  [resolve(7,a,2,a)].
% 0.42/0.98  8 -people(A,B,C) | -a_truth(normal(A)) | -a_truth(normal(B)) # label(not_two_normal1) # label(axiom).  [assumption].
% 0.42/0.98  Derived: -a_truth(normal(a)) | -a_truth(normal(b)).  [resolve(8,a,2,a)].
% 0.42/0.98  Derived: -a_truth(normal(b)) | -a_truth(normal(c)).  [resolve(8,a,3,a)].
% 0.42/0.98  9 -people(A,B,C) | -a_truth(normal(A)) | -a_truth(normal(C)) # label(not_two_normal2) # label(axiom).  [assumption].
% 0.42/0.98  Derived: -a_truth(normal(a)) | -a_truth(normal(c)).  [resolve(9,a,2,a)].
% 0.42/0.98  
% 0.42/0.98  ============================== end predicate elimination =============
% 0.42/0.98  
% 0.42/0.98  Auto_denials:  (non-Horn, no changes).
% 0.42/0.98  
% 0.42/0.98  Term ordering decisions:
% 0.72/0.99  Function symbol KB weights:  a=1. c=1. b=1. says=1. normal=1. truthteller=1. liar=1. not_normal=1.
% 0.72/0.99  
% 0.72/0.99  ============================== end of process initial clauses ========
% 0.72/0.99  
% 0.72/0.99  ============================== CLAUSES FOR SEARCH ====================
% 0.72/0.99  
% 0.72/0.99  ============================== end of clauses for search =============
% 0.72/0.99  
% 0.72/0.99  ============================== SEARCH ================================
% 0.72/0.99  
% 0.72/0.99  % Starting search at 0.01 seconds.
% 0.72/0.99  
% 0.72/0.99  ============================== PROOF =================================
% 0.72/0.99  % SZS status Unsatisfiable
% 0.72/0.99  % SZS output start Refutation
% 0.72/0.99  
% 0.72/0.99  % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.72/0.99  % Length of proof is 39.
% 0.72/0.99  % Level of proof is 9.
% 0.72/0.99  % Maximum clause weight is 12.000.
% 0.72/0.99  % Given clauses 49.
% 0.72/0.99  
% 0.72/0.99  1 -people(A,B,C) | -a_truth(truthteller(A)) | -a_truth(truthteller(B)) # label(not_two_truthtellers1) # label(axiom).  [assumption].
% 0.72/0.99  2 people(a,b,c) # label(a_b_c_are_people) # label(hypothesis).  [assumption].
% 0.72/0.99  3 people(b,c,a) # label(b_c_a_are_people) # label(hypothesis).  [assumption].
% 0.72/0.99  6 -people(A,B,C) | -a_truth(liar(A)) | -a_truth(liar(B)) # label(not_two_liars1) # label(axiom).  [assumption].
% 0.72/0.99  8 -people(A,B,C) | -a_truth(normal(A)) | -a_truth(normal(B)) # label(not_two_normal1) # label(axiom).  [assumption].
% 0.72/0.99  9 -people(A,B,C) | -a_truth(normal(A)) | -a_truth(normal(C)) # label(not_two_normal2) # label(axiom).  [assumption].
% 0.72/0.99  10 a_truth(says(a,normal(a))) # label(a_says_a_normal) # label(hypothesis).  [assumption].
% 0.72/0.99  11 a_truth(says(b,normal(a))) # label(b_says_a_normal) # label(hypothesis).  [assumption].
% 0.72/0.99  12 a_truth(says(c,not_normal(c))) # label(c_says_c_not_normal) # label(hypothesis).  [assumption].
% 0.72/0.99  13 a_truth(not_normal(A)) | a_truth(normal(A)) # label(normal_or_not_normal) # label(axiom).  [assumption].
% 0.72/0.99  14 a_truth(truthteller(A)) | a_truth(liar(A)) | a_truth(normal(A)) # label(person_is_one_type) # label(axiom).  [assumption].
% 0.72/0.99  19 -a_truth(liar(A)) | -a_truth(says(A,B)) | -a_truth(B) # label(liars_lie) # label(axiom).  [assumption].
% 0.72/0.99  20 -a_truth(liar(A)) | -a_truth(normal(B)) | -a_truth(truthteller(C)) # label(prove_one_of_each) # label(negated_conjecture).  [assumption].
% 0.72/0.99  22 -a_truth(A) | -a_truth(says(B,A)) | a_truth(truthteller(B)) | a_truth(normal(B)) # label(truthtellers_and_normal_tell_truth) # label(axiom).  [assumption].
% 0.72/0.99  23 a_truth(A) | -a_truth(says(B,A)) | a_truth(liar(B)) | a_truth(normal(B)) # label(liars_and_normal_lie) # label(axiom).  [assumption].
% 0.72/0.99  25 -a_truth(truthteller(b)) | -a_truth(truthteller(c)).  [resolve(1,a,3,a)].
% 0.72/0.99  27 -a_truth(liar(a)) | -a_truth(liar(b)).  [resolve(6,a,2,a)].
% 0.72/0.99  30 -a_truth(normal(a)) | -a_truth(normal(b)).  [resolve(8,a,2,a)].
% 0.72/0.99  31 -a_truth(normal(b)) | -a_truth(normal(c)).  [resolve(8,a,3,a)].
% 0.72/0.99  32 -a_truth(normal(a)) | -a_truth(normal(c)).  [resolve(9,a,2,a)].
% 0.72/0.99  36 -a_truth(liar(c)) | -a_truth(not_normal(c)).  [resolve(19,b,12,a)].
% 0.72/0.99  43 -a_truth(normal(a)) | a_truth(truthteller(b)) | a_truth(normal(b)).  [resolve(22,b,11,a)].
% 0.72/0.99  44 a_truth(normal(a)) | a_truth(liar(b)) | a_truth(normal(b)).  [resolve(23,b,11,a)].
% 0.72/0.99  45 a_truth(normal(a)) | a_truth(liar(a)).  [resolve(23,b,10,a),merge(c)].
% 0.72/0.99  49 -a_truth(liar(c)) | a_truth(normal(c)).  [resolve(36,b,13,a)].
% 0.72/0.99  50 a_truth(normal(a)) | -a_truth(normal(A)) | -a_truth(truthteller(B)).  [resolve(45,b,20,a)].
% 0.72/0.99  51 a_truth(normal(c)) | a_truth(truthteller(c)).  [resolve(49,a,14,b),merge(c)].
% 0.72/0.99  56 a_truth(normal(a)) | a_truth(normal(b)) | -a_truth(liar(a)).  [resolve(44,b,27,b)].
% 0.72/0.99  59 a_truth(normal(a)) | a_truth(normal(b)).  [resolve(56,c,45,b),merge(c)].
% 0.72/0.99  62 a_truth(normal(a)) | -a_truth(truthteller(A)).  [resolve(59,b,50,b),merge(b)].
% 0.72/0.99  63 a_truth(normal(a)) | -a_truth(normal(c)).  [resolve(59,b,31,a)].
% 0.72/0.99  65 a_truth(normal(a)) | a_truth(normal(c)).  [resolve(62,b,51,b)].
% 0.72/0.99  66 a_truth(normal(a)).  [resolve(65,b,63,b),merge(b)].
% 0.72/0.99  67 a_truth(truthteller(b)) | a_truth(normal(b)).  [back_unit_del(43),unit_del(a,66)].
% 0.72/0.99  69 -a_truth(normal(c)).  [back_unit_del(32),unit_del(a,66)].
% 0.72/0.99  70 -a_truth(normal(b)).  [back_unit_del(30),unit_del(a,66)].
% 0.72/0.99  74 a_truth(truthteller(c)).  [back_unit_del(51),unit_del(a,69)].
% 0.72/0.99  76 a_truth(truthteller(b)).  [back_unit_del(67),unit_del(b,70)].
% 0.72/0.99  78 $F.  [back_unit_del(25),unit_del(a,76),unit_del(b,74)].
% 0.72/0.99  
% 0.72/0.99  % SZS output end Refutation
% 0.72/0.99  ============================== end of proof ==========================
% 0.72/0.99  
% 0.72/0.99  ============================== STATISTICS ============================
% 0.72/0.99  
% 0.72/0.99  Given=49. Generated=102. Kept=68. proofs=1.
% 0.72/0.99  Usable=17. Sos=7. Demods=0. Limbo=4, Disabled=72. Hints=0.
% 0.72/0.99  Megabytes=0.07.
% 0.72/0.99  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.72/0.99  
% 0.72/0.99  ============================== end of statistics =====================
% 0.72/0.99  
% 0.72/0.99  ============================== end of search =========================
% 0.72/0.99  
% 0.72/0.99  THEOREM PROVED
% 0.72/0.99  % SZS status Unsatisfiable
% 0.72/0.99  
% 0.72/0.99  Exiting with 1 proof.
% 0.72/0.99  
% 0.72/0.99  Process 7669 exit (max_proofs) Sat May 28 19:58:41 2022
% 0.72/0.99  Prover9 interrupted
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