TSTP Solution File: PUZ021-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : PUZ021-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n019.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 0.43s 0.99s
% Output   : Refutation 0.43s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : PUZ021-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sat May 28 21:47:41 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.43/0.98  ============================== Prover9 ===============================
% 0.43/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.43/0.98  Process 23754 was started by sandbox2 on n019.cluster.edu,
% 0.43/0.98  Sat May 28 21:47:41 2022
% 0.43/0.98  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_23601_n019.cluster.edu".
% 0.43/0.98  ============================== end of head ===========================
% 0.43/0.98  
% 0.43/0.98  ============================== INPUT =================================
% 0.43/0.98  
% 0.43/0.98  % Reading from file /tmp/Prover9_23601_n019.cluster.edu
% 0.43/0.98  
% 0.43/0.98  set(prolog_style_variables).
% 0.43/0.98  set(auto2).
% 0.43/0.98      % set(auto2) -> set(auto).
% 0.43/0.98      % set(auto) -> set(auto_inference).
% 0.43/0.98      % set(auto) -> set(auto_setup).
% 0.43/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.43/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/0.98      % set(auto) -> set(auto_limits).
% 0.43/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/0.98      % set(auto) -> set(auto_denials).
% 0.43/0.98      % set(auto) -> set(auto_process).
% 0.43/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.43/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.43/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.43/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.43/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.43/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.43/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.43/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.43/0.98      % set(auto2) -> assign(stats, some).
% 0.43/0.98      % set(auto2) -> clear(echo_input).
% 0.43/0.98      % set(auto2) -> set(quiet).
% 0.43/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.43/0.98      % set(auto2) -> clear(print_given).
% 0.43/0.98  assign(lrs_ticks,-1).
% 0.43/0.98  assign(sos_limit,10000).
% 0.43/0.98  assign(order,kbo).
% 0.43/0.98  set(lex_order_vars).
% 0.43/0.98  clear(print_given).
% 0.43/0.98  
% 0.43/0.98  % formulas(sos).  % not echoed (13 formulas)
% 0.43/0.98  
% 0.43/0.98  ============================== end of input ==========================
% 0.43/0.98  
% 0.43/0.98  % From the command line: assign(max_seconds, 300).
% 0.43/0.98  
% 0.43/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/0.98  
% 0.43/0.98  % Formulas that are not ordinary clauses:
% 0.43/0.98  
% 0.43/0.98  ============================== end of process non-clausal formulas ===
% 0.43/0.98  
% 0.43/0.98  ============================== PROCESS INITIAL CLAUSES ===============
% 0.43/0.98  
% 0.43/0.98  ============================== PREDICATE ELIMINATION =================
% 0.43/0.98  1 -a_truth(knave(A),B) | -says(A,C) | -a_truth(C,B) # label(knaves_lie1) # label(axiom).  [assumption].
% 0.43/0.98  2 says(me,A) | a_truth(and(knave(me),rich(me)),A) # label(prove_statement_exists2) # label(negated_conjecture).  [assumption].
% 0.43/0.98  Derived: -a_truth(knave(me),A) | -a_truth(B,A) | a_truth(and(knave(me),rich(me)),B).  [resolve(1,b,2,a)].
% 0.43/0.98  3 -says(me,A) | -a_truth(and(knave(me),rich(me)),A) # label(prove_statement_exists1) # label(negated_conjecture).  [assumption].
% 0.43/0.98  4 -a_truth(knight(A),B) | -says(A,C) | a_truth(C,B) # label(knights_tell_truth1) # label(axiom).  [assumption].
% 0.43/0.98  Derived: -a_truth(knight(me),A) | a_truth(B,A) | a_truth(and(knave(me),rich(me)),B).  [resolve(4,b,2,a)].
% 0.43/0.98  5 -a_truth(knight(A),B) | says(A,C) | -a_truth(C,B) # label(knights_tell_truth2) # label(axiom).  [assumption].
% 0.43/0.98  Derived: -a_truth(knight(A),B) | -a_truth(C,B) | -a_truth(knave(A),D) | -a_truth(C,D).  [resolve(5,b,1,b)].
% 0.43/0.98  Derived: -a_truth(knight(me),A) | -a_truth(B,A) | -a_truth(and(knave(me),rich(me)),B).  [resolve(5,b,3,a)].
% 0.43/0.98  Derived: -a_truth(knight(A),B) | -a_truth(C,B) | -a_truth(knight(A),D) | a_truth(C,D).  [resolve(5,b,4,b)].
% 0.43/0.98  6 -a_truth(knave(A),B) | says(A,C) | a_truth(C,B) # label(knaves_lie2) # label(axiom).  [assumption].
% 0.43/0.98  Derived: -a_truth(knave(A),B) | a_truth(C,B) | -a_truth(knave(A),D) | -a_truth(C,D).  [resolve(6,b,1,b)].
% 0.43/0.98  Derived: -a_truth(knave(me),A) | a_truth(B,A) | -a_truth(and(knave(me),rich(me)),B).  [resolve(6,b,3,a)].
% 0.43/0.98  Derived: -a_truth(knave(A),B) | a_truth(C,B) | -a_truth(knight(A),D) | a_truth(C,D).  [resolve(6,b,4,b)].
% 0.43/0.98  
% 0.43/0.98  ============================== end predicate elimination =============
% 0.43/0.98  
% 0.43/0.98  Auto_denials:  (non-Horn, no changes).
% 0.43/0.98  
% 0.43/0.98  Term ordering decisions:
% 0.43/0.98  Function symbol KB weights:  me=1. and=1. knave=1. knight=1. rich=1. poor=1.
% 0.43/0.99  
% 0.43/0.99  ============================== end of process initial clauses ========
% 0.43/0.99  
% 0.43/0.99  ============================== CLAUSES FOR SEARCH ====================
% 0.43/0.99  
% 0.43/0.99  ============================== end of clauses for search =============
% 0.43/0.99  
% 0.43/0.99  ============================== SEARCH ================================
% 0.43/0.99  
% 0.43/0.99  % Starting search at 0.01 seconds.
% 0.43/0.99  
% 0.43/0.99  ============================== PROOF =================================
% 0.43/0.99  % SZS status Unsatisfiable
% 0.43/0.99  % SZS output start Refutation
% 0.43/0.99  
% 0.43/0.99  % Proof 1 at 0.02 (+ 0.00) seconds.
% 0.43/0.99  % Length of proof is 28.
% 0.43/0.99  % Level of proof is 11.
% 0.43/0.99  % Maximum clause weight is 14.000.
% 0.43/0.99  % Given clauses 39.
% 0.43/0.99  
% 0.43/0.99  1 -a_truth(knave(A),B) | -says(A,C) | -a_truth(C,B) # label(knaves_lie1) # label(axiom).  [assumption].
% 0.43/0.99  2 says(me,A) | a_truth(and(knave(me),rich(me)),A) # label(prove_statement_exists2) # label(negated_conjecture).  [assumption].
% 0.43/0.99  3 -says(me,A) | -a_truth(and(knave(me),rich(me)),A) # label(prove_statement_exists1) # label(negated_conjecture).  [assumption].
% 0.43/0.99  4 -a_truth(knight(A),B) | -says(A,C) | a_truth(C,B) # label(knights_tell_truth1) # label(axiom).  [assumption].
% 0.43/0.99  5 -a_truth(knight(A),B) | says(A,C) | -a_truth(C,B) # label(knights_tell_truth2) # label(axiom).  [assumption].
% 0.43/0.99  6 -a_truth(knave(A),B) | says(A,C) | a_truth(C,B) # label(knaves_lie2) # label(axiom).  [assumption].
% 0.43/0.99  7 a_truth(knight(A),B) | a_truth(knave(A),B) # label(knight_or_knave) # label(axiom).  [assumption].
% 0.43/0.99  11 -a_truth(and(A,B),C) | a_truth(A,C) # label(conjunction1) # label(axiom).  [assumption].
% 0.43/0.99  12 -a_truth(and(A,B),C) | a_truth(B,C) # label(conjunction2) # label(axiom).  [assumption].
% 0.43/0.99  14 -a_truth(knave(me),A) | -a_truth(B,A) | a_truth(and(knave(me),rich(me)),B).  [resolve(1,b,2,a)].
% 0.43/0.99  15 -a_truth(knight(me),A) | a_truth(B,A) | a_truth(and(knave(me),rich(me)),B).  [resolve(4,b,2,a)].
% 0.43/0.99  17 -a_truth(knight(me),A) | -a_truth(B,A) | -a_truth(and(knave(me),rich(me)),B).  [resolve(5,b,3,a)].
% 0.43/0.99  19 -a_truth(knave(A),B) | a_truth(C,B) | -a_truth(knave(A),D) | -a_truth(C,D).  [resolve(6,b,1,b)].
% 0.43/0.99  20 -a_truth(knave(me),A) | a_truth(B,A) | -a_truth(and(knave(me),rich(me)),B).  [resolve(6,b,3,a)].
% 0.43/0.99  21 -a_truth(knave(A),B) | a_truth(C,B) | -a_truth(knight(A),D) | a_truth(C,D).  [resolve(6,b,4,b)].
% 0.43/0.99  23 -a_truth(knave(me),A) | a_truth(and(knave(me),rich(me)),knave(me)).  [factor(14,a,b)].
% 0.43/0.99  33 a_truth(A,B) | a_truth(and(knave(me),rich(me)),A) | a_truth(knave(me),B).  [resolve(15,a,7,a)].
% 0.43/0.99  35 a_truth(knave(me),A) | a_truth(and(knave(me),rich(me)),knave(me)).  [factor(33,a,c)].
% 0.43/0.99  78 a_truth(and(knave(me),rich(me)),knave(me)).  [resolve(35,a,23,a),merge(b)].
% 0.43/0.99  90 a_truth(knave(me),A) | a_truth(knave(me),knave(me)).  [resolve(35,b,11,a)].
% 0.43/0.99  91 a_truth(knave(me),knave(me)).  [factor(90,a,b)].
% 0.43/0.99  101 -a_truth(knight(me),knave(me)).  [resolve(91,a,17,b),unit_del(b,78)].
% 0.43/0.99  114 -a_truth(and(knave(me),rich(me)),knight(me)).  [ur(20,a,91,a,b,101,a)].
% 0.43/0.99  116 -a_truth(and(knight(me),A),knave(me)).  [ur(11,b,101,a)].
% 0.43/0.99  136 -a_truth(knave(me),knight(me)).  [ur(19,b,114,a,c,91,a,d,78,a)].
% 0.43/0.99  177 -a_truth(and(A,knave(me)),knight(me)).  [ur(12,b,136,a)].
% 0.43/0.99  182 -a_truth(knight(me),knight(me)).  [ur(21,a,91,a,b,116,a,d,177,a)].
% 0.43/0.99  185 $F.  [resolve(182,a,7,a),unit_del(a,136)].
% 0.43/0.99  
% 0.43/0.99  % SZS output end Refutation
% 0.43/0.99  ============================== end of proof ==========================
% 0.43/0.99  
% 0.43/0.99  ============================== STATISTICS ============================
% 0.43/0.99  
% 0.43/0.99  Given=39. Generated=322. Kept=178. proofs=1.
% 0.43/0.99  Usable=33. Sos=123. Demods=0. Limbo=0, Disabled=43. Hints=0.
% 0.43/0.99  Megabytes=0.16.
% 0.43/0.99  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.43/0.99  
% 0.43/0.99  ============================== end of statistics =====================
% 0.43/0.99  
% 0.43/0.99  ============================== end of search =========================
% 0.43/0.99  
% 0.43/0.99  THEOREM PROVED
% 0.43/0.99  % SZS status Unsatisfiable
% 0.43/0.99  
% 0.43/0.99  Exiting with 1 proof.
% 0.43/0.99  
% 0.43/0.99  Process 23754 exit (max_proofs) Sat May 28 21:47:41 2022
% 0.43/0.99  Prover9 interrupted
%------------------------------------------------------------------------------