TSTP Solution File: SET633+3 by Prover9---1109a

View Problem - Process Solution

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% File     : Prover9---1109a
% Problem  : SET633+3 : TPTP v8.1.0. Released v2.2.0.
% 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 : Tue Jul 19 04:31:01 EDT 2022

% Result   : Theorem 0.74s 1.03s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SET633+3 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.34  % Computer : n025.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sat Jul  9 22:09:01 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.74/1.02  ============================== Prover9 ===============================
% 0.74/1.02  Prover9 (32) version 2009-11A, November 2009.
% 0.74/1.02  Process 5081 was started by sandbox2 on n025.cluster.edu,
% 0.74/1.02  Sat Jul  9 22:09:01 2022
% 0.74/1.02  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_4694_n025.cluster.edu".
% 0.74/1.02  ============================== end of head ===========================
% 0.74/1.02  
% 0.74/1.02  ============================== INPUT =================================
% 0.74/1.02  
% 0.74/1.02  % Reading from file /tmp/Prover9_4694_n025.cluster.edu
% 0.74/1.02  
% 0.74/1.02  set(prolog_style_variables).
% 0.74/1.02  set(auto2).
% 0.74/1.02      % set(auto2) -> set(auto).
% 0.74/1.02      % set(auto) -> set(auto_inference).
% 0.74/1.02      % set(auto) -> set(auto_setup).
% 0.74/1.02      % set(auto_setup) -> set(predicate_elim).
% 0.74/1.02      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.74/1.02      % set(auto) -> set(auto_limits).
% 0.74/1.02      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.74/1.02      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.74/1.02      % set(auto) -> set(auto_denials).
% 0.74/1.02      % set(auto) -> set(auto_process).
% 0.74/1.02      % set(auto2) -> assign(new_constants, 1).
% 0.74/1.02      % set(auto2) -> assign(fold_denial_max, 3).
% 0.74/1.02      % set(auto2) -> assign(max_weight, "200.000").
% 0.74/1.02      % set(auto2) -> assign(max_hours, 1).
% 0.74/1.02      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.74/1.02      % set(auto2) -> assign(max_seconds, 0).
% 0.74/1.02      % set(auto2) -> assign(max_minutes, 5).
% 0.74/1.02      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.74/1.02      % set(auto2) -> set(sort_initial_sos).
% 0.74/1.02      % set(auto2) -> assign(sos_limit, -1).
% 0.74/1.02      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.74/1.02      % set(auto2) -> assign(max_megs, 400).
% 0.74/1.02      % set(auto2) -> assign(stats, some).
% 0.74/1.02      % set(auto2) -> clear(echo_input).
% 0.74/1.02      % set(auto2) -> set(quiet).
% 0.74/1.02      % set(auto2) -> clear(print_initial_clauses).
% 0.74/1.02      % set(auto2) -> clear(print_given).
% 0.74/1.02  assign(lrs_ticks,-1).
% 0.74/1.02  assign(sos_limit,10000).
% 0.74/1.02  assign(order,kbo).
% 0.74/1.02  set(lex_order_vars).
% 0.74/1.02  clear(print_given).
% 0.74/1.02  
% 0.74/1.02  % formulas(sos).  % not echoed (9 formulas)
% 0.74/1.02  
% 0.74/1.02  ============================== end of input ==========================
% 0.74/1.02  
% 0.74/1.02  % From the command line: assign(max_seconds, 300).
% 0.74/1.02  
% 0.74/1.02  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.74/1.02  
% 0.74/1.02  % Formulas that are not ordinary clauses:
% 0.74/1.02  1 (all B all C symmetric_difference(B,C) = union(difference(B,C),difference(C,B))) # label(symmetric_difference_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  2 (all B all C all D (subset(B,C) & subset(D,C) -> subset(union(B,D),C))) # label(union_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  3 (all B all C all D (member(D,difference(B,C)) <-> member(D,B) & -member(D,C))) # label(difference_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  4 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  5 (all B all C union(B,C) = union(C,B)) # label(commutativity_of_union) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  6 (all B all C symmetric_difference(B,C) = symmetric_difference(C,B)) # label(commutativity_of_symmetric_difference) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  7 (all B all C (B = C <-> (all D (member(D,B) <-> member(D,C))))) # label(equal_member_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  8 (all B subset(B,B)) # label(reflexivity_of_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.02  9 -(all B all C all D (subset(difference(B,C),D) & subset(difference(C,B),D) -> subset(symmetric_difference(B,C),D))) # label(prove_th115) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.74/1.02  
% 0.74/1.02  ============================== end of process non-clausal formulas ===
% 0.74/1.02  
% 0.74/1.02  ============================== PROCESS INITIAL CLAUSES ===============
% 0.74/1.02  
% 0.74/1.02  ============================== PREDICATE ELIMINATION =================
% 0.74/1.02  
% 0.74/1.02  ============================== end predicate elimination =============
% 0.74/1.02  
% 0.74/1.02  Auto_denials:  (non-Horn, no changes).
% 0.74/1.02  
% 0.74/1.02  Term ordering decisions:
% 0.74/1.02  Function symbol KB weights:  c1=1. c2=1. c3=1. difference=1. union=1. symmetric_difference=1. f1=1. f2=1.
% 0.74/1.02  
% 0.74/1.02  ============================== end of process initial clauses ========
% 0.74/1.02  
% 0.74/1.02  ============================== CLAUSES FOR SEARCH ====================
% 0.74/1.02  
% 0.74/1.02  ============================== end of clauses for search =============
% 0.74/1.03  
% 0.74/1.03  ============================== SEARCH ================================
% 0.74/1.03  
% 0.74/1.03  % Starting search at 0.01 seconds.
% 0.74/1.03  
% 0.74/1.03  ============================== PROOF =================================
% 0.74/1.03  % SZS status Theorem
% 0.74/1.03  % SZS output start Refutation
% 0.74/1.03  
% 0.74/1.03  % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.74/1.03  % Length of proof is 11.
% 0.74/1.03  % Level of proof is 4.
% 0.74/1.03  % Maximum clause weight is 11.000.
% 0.74/1.03  % Given clauses 15.
% 0.74/1.03  
% 0.74/1.03  1 (all B all C symmetric_difference(B,C) = union(difference(B,C),difference(C,B))) # label(symmetric_difference_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.03  2 (all B all C all D (subset(B,C) & subset(D,C) -> subset(union(B,D),C))) # label(union_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.74/1.03  9 -(all B all C all D (subset(difference(B,C),D) & subset(difference(C,B),D) -> subset(symmetric_difference(B,C),D))) # label(prove_th115) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.74/1.03  11 subset(difference(c1,c2),c3) # label(prove_th115) # label(negated_conjecture).  [clausify(9)].
% 0.74/1.03  12 subset(difference(c2,c1),c3) # label(prove_th115) # label(negated_conjecture).  [clausify(9)].
% 0.74/1.03  16 union(difference(A,B),difference(B,A)) = symmetric_difference(A,B) # label(symmetric_difference_defn) # label(axiom).  [clausify(1)].
% 0.74/1.03  17 symmetric_difference(A,B) = union(difference(A,B),difference(B,A)).  [copy(16),flip(a)].
% 0.74/1.03  19 -subset(symmetric_difference(c1,c2),c3) # label(prove_th115) # label(negated_conjecture).  [clausify(9)].
% 0.74/1.03  20 -subset(union(difference(c1,c2),difference(c2,c1)),c3).  [copy(19),rewrite([17(3)])].
% 0.74/1.03  27 -subset(A,B) | -subset(C,B) | subset(union(A,C),B) # label(union_subset) # label(axiom).  [clausify(2)].
% 0.74/1.03  52 $F.  [ur(27,b,12,a,c,20,a),unit_del(a,11)].
% 0.74/1.03  
% 0.74/1.03  % SZS output end Refutation
% 0.74/1.03  ============================== end of proof ==========================
% 0.74/1.03  
% 0.74/1.03  ============================== STATISTICS ============================
% 0.74/1.03  
% 0.74/1.03  Given=15. Generated=58. Kept=40. proofs=1.
% 0.74/1.03  Usable=15. Sos=20. Demods=2. Limbo=4, Disabled=19. Hints=0.
% 0.74/1.03  Megabytes=0.07.
% 0.74/1.03  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.74/1.03  
% 0.74/1.03  ============================== end of statistics =====================
% 0.74/1.03  
% 0.74/1.03  ============================== end of search =========================
% 0.74/1.03  
% 0.74/1.03  THEOREM PROVED
% 0.74/1.03  % SZS status Theorem
% 0.74/1.03  
% 0.74/1.03  Exiting with 1 proof.
% 0.74/1.03  
% 0.74/1.03  Process 5081 exit (max_proofs) Sat Jul  9 22:09:01 2022
% 0.74/1.03  Prover9 interrupted
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