TSTP Solution File: SET584+3 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET584+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n026.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 04:30:26 EDT 2022

% Result   : Theorem 0.73s 1.01s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : SET584+3 : TPTP v8.1.0. Released v2.2.0.
% 0.08/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.33  % Computer : n026.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul 10 03:12:56 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.73/1.01  ============================== Prover9 ===============================
% 0.73/1.01  Prover9 (32) version 2009-11A, November 2009.
% 0.73/1.01  Process 22837 was started by sandbox on n026.cluster.edu,
% 0.73/1.01  Sun Jul 10 03:12:56 2022
% 0.73/1.01  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_22683_n026.cluster.edu".
% 0.73/1.01  ============================== end of head ===========================
% 0.73/1.01  
% 0.73/1.01  ============================== INPUT =================================
% 0.73/1.01  
% 0.73/1.01  % Reading from file /tmp/Prover9_22683_n026.cluster.edu
% 0.73/1.01  
% 0.73/1.01  set(prolog_style_variables).
% 0.73/1.01  set(auto2).
% 0.73/1.01      % set(auto2) -> set(auto).
% 0.73/1.01      % set(auto) -> set(auto_inference).
% 0.73/1.01      % set(auto) -> set(auto_setup).
% 0.73/1.01      % set(auto_setup) -> set(predicate_elim).
% 0.73/1.01      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.73/1.01      % set(auto) -> set(auto_limits).
% 0.73/1.01      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.73/1.01      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.73/1.01      % set(auto) -> set(auto_denials).
% 0.73/1.01      % set(auto) -> set(auto_process).
% 0.73/1.01      % set(auto2) -> assign(new_constants, 1).
% 0.73/1.01      % set(auto2) -> assign(fold_denial_max, 3).
% 0.73/1.01      % set(auto2) -> assign(max_weight, "200.000").
% 0.73/1.01      % set(auto2) -> assign(max_hours, 1).
% 0.73/1.01      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.73/1.01      % set(auto2) -> assign(max_seconds, 0).
% 0.73/1.01      % set(auto2) -> assign(max_minutes, 5).
% 0.73/1.01      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.73/1.01      % set(auto2) -> set(sort_initial_sos).
% 0.73/1.01      % set(auto2) -> assign(sos_limit, -1).
% 0.73/1.01      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.73/1.01      % set(auto2) -> assign(max_megs, 400).
% 0.73/1.01      % set(auto2) -> assign(stats, some).
% 0.73/1.01      % set(auto2) -> clear(echo_input).
% 0.73/1.01      % set(auto2) -> set(quiet).
% 0.73/1.01      % set(auto2) -> clear(print_initial_clauses).
% 0.73/1.01      % set(auto2) -> clear(print_given).
% 0.73/1.01  assign(lrs_ticks,-1).
% 0.73/1.01  assign(sos_limit,10000).
% 0.73/1.01  assign(order,kbo).
% 0.73/1.01  set(lex_order_vars).
% 0.73/1.01  clear(print_given).
% 0.73/1.01  
% 0.73/1.01  % formulas(sos).  % not echoed (6 formulas)
% 0.73/1.01  
% 0.73/1.01  ============================== end of input ==========================
% 0.73/1.01  
% 0.73/1.01  % From the command line: assign(max_seconds, 300).
% 0.73/1.01  
% 0.73/1.01  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.73/1.01  
% 0.73/1.01  % Formulas that are not ordinary clauses:
% 0.73/1.01  1 (all B all C all D (member(D,union(B,C)) <-> member(D,B) | member(D,C))) # label(union_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  2 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  3 (all B all C union(B,C) = union(C,B)) # label(commutativity_of_union) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  4 (all B subset(B,B)) # label(reflexivity_of_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  5 (all B all C (B = C <-> (all D (member(D,B) <-> member(D,C))))) # label(equal_member_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  6 -(all B all C all D (subset(B,C) -> subset(union(B,D),union(C,D)))) # label(prove_th33) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.73/1.01  
% 0.73/1.01  ============================== end of process non-clausal formulas ===
% 0.73/1.01  
% 0.73/1.01  ============================== PROCESS INITIAL CLAUSES ===============
% 0.73/1.01  
% 0.73/1.01  ============================== PREDICATE ELIMINATION =================
% 0.73/1.01  
% 0.73/1.01  ============================== end predicate elimination =============
% 0.73/1.01  
% 0.73/1.01  Auto_denials:  (non-Horn, no changes).
% 0.73/1.01  
% 0.73/1.01  Term ordering decisions:
% 0.73/1.01  Function symbol KB weights:  c1=1. c2=1. c3=1. union=1. f1=1. f2=1.
% 0.73/1.01  
% 0.73/1.01  ============================== end of process initial clauses ========
% 0.73/1.01  
% 0.73/1.01  ============================== CLAUSES FOR SEARCH ====================
% 0.73/1.01  
% 0.73/1.01  ============================== end of clauses for search =============
% 0.73/1.01  
% 0.73/1.01  ============================== SEARCH ================================
% 0.73/1.01  
% 0.73/1.01  % Starting search at 0.01 seconds.
% 0.73/1.01  
% 0.73/1.01  ============================== PROOF =================================
% 0.73/1.01  % SZS status Theorem
% 0.73/1.01  % SZS output start Refutation
% 0.73/1.01  
% 0.73/1.01  % Proof 1 at 0.02 (+ 0.00) seconds.
% 0.73/1.01  % Length of proof is 19.
% 0.73/1.01  % Level of proof is 5.
% 0.73/1.01  % Maximum clause weight is 18.000.
% 0.73/1.01  % Given clauses 28.
% 0.73/1.01  
% 0.73/1.01  1 (all B all C all D (member(D,union(B,C)) <-> member(D,B) | member(D,C))) # label(union_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  2 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  6 -(all B all C all D (subset(B,C) -> subset(union(B,D),union(C,D)))) # label(prove_th33) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.73/1.01  8 subset(c1,c2) # label(prove_th33) # label(negated_conjecture).  [clausify(6)].
% 0.73/1.01  10 subset(A,B) | member(f1(A,B),A) # label(subset_defn) # label(axiom).  [clausify(2)].
% 0.73/1.01  12 -subset(union(c1,c3),union(c2,c3)) # label(prove_th33) # label(negated_conjecture).  [clausify(6)].
% 0.73/1.01  13 member(A,union(B,C)) | -member(A,B) # label(union_defn) # label(axiom).  [clausify(1)].
% 0.73/1.01  14 member(A,union(B,C)) | -member(A,C) # label(union_defn) # label(axiom).  [clausify(1)].
% 0.73/1.01  15 subset(A,B) | -member(f1(A,B),B) # label(subset_defn) # label(axiom).  [clausify(2)].
% 0.73/1.01  16 -subset(A,B) | -member(C,A) | member(C,B) # label(subset_defn) # label(axiom).  [clausify(2)].
% 0.73/1.01  19 -member(A,union(B,C)) | member(A,B) | member(A,C) # label(union_defn) # label(axiom).  [clausify(1)].
% 0.73/1.01  22 member(f1(union(c1,c3),union(c2,c3)),union(c1,c3)).  [resolve(12,a,10,a)].
% 0.73/1.01  27 -member(f1(union(c1,c3),union(c2,c3)),union(c2,c3)).  [ur(15,a,12,a)].
% 0.73/1.01  29 -member(A,c1) | member(A,c2).  [resolve(16,a,8,a)].
% 0.73/1.01  45 member(f1(union(c1,c3),union(c2,c3)),c1) | member(f1(union(c1,c3),union(c2,c3)),c3).  [resolve(22,a,19,a)].
% 0.73/1.01  50 -member(f1(union(c1,c3),union(c2,c3)),c3).  [ur(14,a,27,a)].
% 0.73/1.01  51 -member(f1(union(c1,c3),union(c2,c3)),c2).  [ur(13,a,27,a)].
% 0.73/1.01  52 member(f1(union(c1,c3),union(c2,c3)),c1).  [back_unit_del(45),unit_del(b,50)].
% 0.73/1.01  83 $F.  [ur(29,b,51,a),unit_del(a,52)].
% 0.73/1.01  
% 0.73/1.01  % SZS output end Refutation
% 0.73/1.01  ============================== end of proof ==========================
% 0.73/1.01  
% 0.73/1.01  ============================== STATISTICS ============================
% 0.73/1.01  
% 0.73/1.01  Given=28. Generated=159. Kept=76. proofs=1.
% 0.73/1.01  Usable=28. Sos=47. Demods=1. Limbo=0, Disabled=15. Hints=0.
% 0.73/1.01  Megabytes=0.09.
% 0.73/1.01  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.73/1.01  
% 0.73/1.01  ============================== end of statistics =====================
% 0.73/1.01  
% 0.73/1.01  ============================== end of search =========================
% 0.73/1.01  
% 0.73/1.01  THEOREM PROVED
% 0.73/1.01  % SZS status Theorem
% 0.73/1.01  
% 0.73/1.01  Exiting with 1 proof.
% 0.73/1.01  
% 0.73/1.01  Process 22837 exit (max_proofs) Sun Jul 10 03:12:56 2022
% 0.73/1.01  Prover9 interrupted
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