TSTP Solution File: SET631+3 by Prover9---1109a

View Problem - Process Solution

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% File     : Prover9---1109a
% Problem  : SET631+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n016.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 04:30:59 EDT 2022

% Result   : Theorem 0.44s 1.00s
% Output   : Refutation 0.44s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET631+3 : TPTP v8.1.0. Released v2.2.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n016.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 : Sun Jul 10 00:16:10 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.44/1.00  ============================== Prover9 ===============================
% 0.44/1.00  Prover9 (32) version 2009-11A, November 2009.
% 0.44/1.00  Process 25052 was started by sandbox on n016.cluster.edu,
% 0.44/1.00  Sun Jul 10 00:16:11 2022
% 0.44/1.00  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_24885_n016.cluster.edu".
% 0.44/1.00  ============================== end of head ===========================
% 0.44/1.00  
% 0.44/1.00  ============================== INPUT =================================
% 0.44/1.00  
% 0.44/1.00  % Reading from file /tmp/Prover9_24885_n016.cluster.edu
% 0.44/1.00  
% 0.44/1.00  set(prolog_style_variables).
% 0.44/1.00  set(auto2).
% 0.44/1.00      % set(auto2) -> set(auto).
% 0.44/1.00      % set(auto) -> set(auto_inference).
% 0.44/1.00      % set(auto) -> set(auto_setup).
% 0.44/1.00      % set(auto_setup) -> set(predicate_elim).
% 0.44/1.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/1.00      % set(auto) -> set(auto_limits).
% 0.44/1.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/1.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/1.00      % set(auto) -> set(auto_denials).
% 0.44/1.00      % set(auto) -> set(auto_process).
% 0.44/1.00      % set(auto2) -> assign(new_constants, 1).
% 0.44/1.00      % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/1.00      % set(auto2) -> assign(max_weight, "200.000").
% 0.44/1.00      % set(auto2) -> assign(max_hours, 1).
% 0.44/1.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/1.00      % set(auto2) -> assign(max_seconds, 0).
% 0.44/1.00      % set(auto2) -> assign(max_minutes, 5).
% 0.44/1.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/1.00      % set(auto2) -> set(sort_initial_sos).
% 0.44/1.00      % set(auto2) -> assign(sos_limit, -1).
% 0.44/1.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/1.00      % set(auto2) -> assign(max_megs, 400).
% 0.44/1.00      % set(auto2) -> assign(stats, some).
% 0.44/1.00      % set(auto2) -> clear(echo_input).
% 0.44/1.00      % set(auto2) -> set(quiet).
% 0.44/1.00      % set(auto2) -> clear(print_initial_clauses).
% 0.44/1.00      % set(auto2) -> clear(print_given).
% 0.44/1.00  assign(lrs_ticks,-1).
% 0.44/1.00  assign(sos_limit,10000).
% 0.44/1.00  assign(order,kbo).
% 0.44/1.00  set(lex_order_vars).
% 0.44/1.00  clear(print_given).
% 0.44/1.00  
% 0.44/1.00  % formulas(sos).  % not echoed (4 formulas)
% 0.44/1.00  
% 0.44/1.00  ============================== end of input ==========================
% 0.44/1.00  
% 0.44/1.00  % From the command line: assign(max_seconds, 300).
% 0.44/1.00  
% 0.44/1.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/1.00  
% 0.44/1.00  % Formulas that are not ordinary clauses:
% 0.44/1.00  1 (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].
% 0.44/1.00  2 (all B all C (intersect(B,C) <-> (exists D (member(D,B) & member(D,C))))) # label(intersect_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.00  3 (all B all C (intersect(B,C) -> intersect(C,B))) # label(symmetry_of_intersect) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.00  4 -(all B all C all D (intersect(B,difference(C,D)) -> intersect(B,C))) # label(prove_th113) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.44/1.00  
% 0.44/1.00  ============================== end of process non-clausal formulas ===
% 0.44/1.00  
% 0.44/1.00  ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/1.00  
% 0.44/1.00  ============================== PREDICATE ELIMINATION =================
% 0.44/1.00  
% 0.44/1.00  ============================== end predicate elimination =============
% 0.44/1.00  
% 0.44/1.00  Auto_denials:  (non-Horn, no changes).
% 0.44/1.00  
% 0.44/1.00  Term ordering decisions:
% 0.44/1.00  Function symbol KB weights:  c1=1. c2=1. c3=1. difference=1. f1=1.
% 0.44/1.00  
% 0.44/1.00  ============================== end of process initial clauses ========
% 0.44/1.00  
% 0.44/1.00  ============================== CLAUSES FOR SEARCH ====================
% 0.44/1.00  
% 0.44/1.00  ============================== end of clauses for search =============
% 0.44/1.00  
% 0.44/1.00  ============================== SEARCH ================================
% 0.44/1.00  
% 0.44/1.00  % Starting search at 0.01 seconds.
% 0.44/1.00  
% 0.44/1.00  ============================== PROOF =================================
% 0.44/1.00  % SZS status Theorem
% 0.44/1.00  % SZS output start Refutation
% 0.44/1.00  
% 0.44/1.00  % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.44/1.00  % Length of proof is 16.
% 0.44/1.00  % Level of proof is 4.
% 0.44/1.00  % Maximum clause weight is 9.000.
% 0.44/1.00  % Given clauses 17.
% 0.44/1.00  
% 0.44/1.00  1 (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].
% 0.44/1.00  2 (all B all C (intersect(B,C) <-> (exists D (member(D,B) & member(D,C))))) # label(intersect_defn) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.00  3 (all B all C (intersect(B,C) -> intersect(C,B))) # label(symmetry_of_intersect) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.00  4 -(all B all C all D (intersect(B,difference(C,D)) -> intersect(B,C))) # label(prove_th113) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.44/1.00  5 intersect(c1,difference(c2,c3)) # label(prove_th113) # label(negated_conjecture).  [clausify(4)].
% 0.44/1.00  6 -intersect(c1,c2) # label(prove_th113) # label(negated_conjecture).  [clausify(4)].
% 0.44/1.00  8 -intersect(A,B) | intersect(B,A) # label(symmetry_of_intersect) # label(axiom).  [clausify(3)].
% 0.44/1.00  9 -member(A,difference(B,C)) | member(A,B) # label(difference_defn) # label(axiom).  [clausify(1)].
% 0.44/1.00  10 -intersect(A,B) | member(f1(A,B),A) # label(intersect_defn) # label(axiom).  [clausify(2)].
% 0.44/1.00  11 -intersect(A,B) | member(f1(A,B),B) # label(intersect_defn) # label(axiom).  [clausify(2)].
% 0.44/1.00  12 intersect(A,B) | -member(C,A) | -member(C,B) # label(intersect_defn) # label(axiom).  [clausify(2)].
% 0.44/1.00  16 -intersect(c2,c1).  [ur(8,b,6,a)].
% 0.44/1.00  17 member(f1(c1,difference(c2,c3)),c1).  [resolve(10,a,5,a)].
% 0.44/1.00  18 member(f1(c1,difference(c2,c3)),difference(c2,c3)).  [resolve(11,a,5,a)].
% 0.44/1.00  25 -member(f1(c1,difference(c2,c3)),c2).  [ur(12,a,16,a,c,17,a)].
% 0.44/1.00  42 $F.  [resolve(18,a,9,a),unit_del(a,25)].
% 0.44/1.00  
% 0.44/1.00  % SZS output end Refutation
% 0.44/1.00  ============================== end of proof ==========================
% 0.44/1.00  
% 0.44/1.00  ============================== STATISTICS ============================
% 0.44/1.00  
% 0.44/1.00  Given=17. Generated=47. Kept=37. proofs=1.
% 0.44/1.00  Usable=17. Sos=16. Demods=0. Limbo=4, Disabled=9. Hints=0.
% 0.44/1.00  Megabytes=0.05.
% 0.44/1.00  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.44/1.00  
% 0.44/1.00  ============================== end of statistics =====================
% 0.44/1.00  
% 0.44/1.00  ============================== end of search =========================
% 0.44/1.00  
% 0.44/1.00  THEOREM PROVED
% 0.44/1.00  % SZS status Theorem
% 0.44/1.00  
% 0.44/1.00  Exiting with 1 proof.
% 0.44/1.00  
% 0.44/1.00  Process 25052 exit (max_proofs) Sun Jul 10 00:16:11 2022
% 0.44/1.00  Prover9 interrupted
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