TSTP Solution File: SET929+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n027.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 04:33:30 EDT 2022

% Result   : Theorem 0.45s 0.99s
% Output   : Refutation 0.45s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sat Jul  9 22:01:17 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.45/0.98  ============================== Prover9 ===============================
% 0.45/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.45/0.98  Process 12862 was started by sandbox on n027.cluster.edu,
% 0.45/0.98  Sat Jul  9 22:01:17 2022
% 0.45/0.98  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_12709_n027.cluster.edu".
% 0.45/0.98  ============================== end of head ===========================
% 0.45/0.98  
% 0.45/0.98  ============================== INPUT =================================
% 0.45/0.98  
% 0.45/0.98  % Reading from file /tmp/Prover9_12709_n027.cluster.edu
% 0.45/0.98  
% 0.45/0.98  set(prolog_style_variables).
% 0.45/0.98  set(auto2).
% 0.45/0.98      % set(auto2) -> set(auto).
% 0.45/0.98      % set(auto) -> set(auto_inference).
% 0.45/0.98      % set(auto) -> set(auto_setup).
% 0.45/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.45/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.45/0.98      % set(auto) -> set(auto_limits).
% 0.45/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.45/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.45/0.98      % set(auto) -> set(auto_denials).
% 0.45/0.98      % set(auto) -> set(auto_process).
% 0.45/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.45/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.45/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.45/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.45/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.45/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.45/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.45/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.45/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.45/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.45/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.45/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.45/0.98      % set(auto2) -> assign(stats, some).
% 0.45/0.98      % set(auto2) -> clear(echo_input).
% 0.45/0.98      % set(auto2) -> set(quiet).
% 0.45/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.45/0.98      % set(auto2) -> clear(print_given).
% 0.45/0.98  assign(lrs_ticks,-1).
% 0.45/0.98  assign(sos_limit,10000).
% 0.45/0.98  assign(order,kbo).
% 0.45/0.98  set(lex_order_vars).
% 0.45/0.98  clear(print_given).
% 0.45/0.98  
% 0.45/0.98  % formulas(sos).  % not echoed (9 formulas)
% 0.45/0.98  
% 0.45/0.98  ============================== end of input ==========================
% 0.45/0.98  
% 0.45/0.98  % From the command line: assign(max_seconds, 300).
% 0.45/0.98  
% 0.45/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.45/0.99  
% 0.45/0.99  % Formulas that are not ordinary clauses:
% 0.45/0.99  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  2 (all A all B unordered_pair(A,B) = unordered_pair(B,A)) # label(commutativity_k2_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  3 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  4 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  5 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  6 (all A all B (set_difference(A,B) = empty_set <-> subset(A,B))) # label(t37_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  7 (all A all B all C (subset(unordered_pair(A,B),C) <-> in(A,C) & in(B,C))) # label(t38_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  8 -(all A all B all C (set_difference(unordered_pair(A,B),C) = empty_set <-> in(A,C) & in(B,C))) # label(t73_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.45/0.99  
% 0.45/0.99  ============================== end of process non-clausal formulas ===
% 0.45/0.99  
% 0.45/0.99  ============================== PROCESS INITIAL CLAUSES ===============
% 0.45/0.99  
% 0.45/0.99  ============================== PREDICATE ELIMINATION =================
% 0.45/0.99  
% 0.45/0.99  ============================== end predicate elimination =============
% 0.45/0.99  
% 0.45/0.99  Auto_denials:  (non-Horn, no changes).
% 0.45/0.99  
% 0.45/0.99  Term ordering decisions:
% 0.45/0.99  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. c5=1. unordered_pair=1. set_difference=1.
% 0.45/0.99  
% 0.45/0.99  ============================== end of process initial clauses ========
% 0.45/0.99  
% 0.45/0.99  ============================== CLAUSES FOR SEARCH ====================
% 0.45/0.99  
% 0.45/0.99  ============================== end of clauses for search =============
% 0.45/0.99  
% 0.45/0.99  ============================== SEARCH ================================
% 0.45/0.99  
% 0.45/0.99  % Starting search at 0.01 seconds.
% 0.45/0.99  
% 0.45/0.99  ============================== PROOF =================================
% 0.45/0.99  % SZS status Theorem
% 0.45/0.99  % SZS output start Refutation
% 0.45/0.99  
% 0.45/0.99  % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.45/0.99  % Length of proof is 21.
% 0.45/0.99  % Level of proof is 7.
% 0.45/0.99  % Maximum clause weight is 15.000.
% 0.45/0.99  % Given clauses 40.
% 0.45/0.99  
% 0.45/0.99  2 (all A all B unordered_pair(A,B) = unordered_pair(B,A)) # label(commutativity_k2_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  6 (all A all B (set_difference(A,B) = empty_set <-> subset(A,B))) # label(t37_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  7 (all A all B all C (subset(unordered_pair(A,B),C) <-> in(A,C) & in(B,C))) # label(t38_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.45/0.99  8 -(all A all B all C (set_difference(unordered_pair(A,B),C) = empty_set <-> in(A,C) & in(B,C))) # label(t73_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.45/0.99  12 unordered_pair(A,B) = unordered_pair(B,A) # label(commutativity_k2_tarski) # label(axiom).  [clausify(2)].
% 0.45/0.99  13 set_difference(unordered_pair(c3,c4),c5) = empty_set | in(c3,c5) # label(t73_zfmisc_1) # label(negated_conjecture).  [clausify(8)].
% 0.45/0.99  14 set_difference(unordered_pair(c3,c4),c5) = empty_set | in(c4,c5) # label(t73_zfmisc_1) # label(negated_conjecture).  [clausify(8)].
% 0.45/0.99  17 set_difference(unordered_pair(c3,c4),c5) != empty_set | -in(c3,c5) | -in(c4,c5) # label(t73_zfmisc_1) # label(negated_conjecture).  [clausify(8)].
% 0.45/0.99  18 set_difference(A,B) != empty_set | subset(A,B) # label(t37_xboole_1) # label(axiom).  [clausify(6)].
% 0.45/0.99  19 set_difference(A,B) = empty_set | -subset(A,B) # label(t37_xboole_1) # label(axiom).  [clausify(6)].
% 0.45/0.99  20 -subset(unordered_pair(A,B),C) | in(A,C) # label(t38_zfmisc_1) # label(axiom).  [clausify(7)].
% 0.45/0.99  21 -subset(unordered_pair(A,B),C) | in(B,C) # label(t38_zfmisc_1) # label(axiom).  [clausify(7)].
% 0.45/0.99  22 subset(unordered_pair(A,B),C) | -in(A,C) | -in(B,C) # label(t38_zfmisc_1) # label(axiom).  [clausify(7)].
% 0.45/0.99  29 subset(unordered_pair(A,c4),c5) | -in(A,c5) | set_difference(unordered_pair(c3,c4),c5) = empty_set.  [resolve(22,b,14,b),rewrite([12(2)])].
% 0.45/0.99  49 subset(unordered_pair(c3,c4),c5) | set_difference(unordered_pair(c3,c4),c5) = empty_set.  [resolve(29,b,13,b),merge(c)].
% 0.45/0.99  50 set_difference(unordered_pair(c3,c4),c5) = empty_set.  [resolve(49,a,19,b),merge(b)].
% 0.45/0.99  51 -in(c3,c5) | -in(c4,c5).  [back_rewrite(17),rewrite([50(5)]),xx(a)].
% 0.45/0.99  52 subset(unordered_pair(c3,c4),c5).  [resolve(50,a,18,a)].
% 0.45/0.99  53 in(c4,c5).  [resolve(52,a,21,a)].
% 0.45/0.99  54 in(c3,c5).  [resolve(52,a,20,a)].
% 0.45/0.99  55 $F.  [back_unit_del(51),unit_del(a,54),unit_del(b,53)].
% 0.45/0.99  
% 0.45/0.99  % SZS output end Refutation
% 0.45/0.99  ============================== end of proof ==========================
% 0.45/0.99  
% 0.45/0.99  ============================== STATISTICS ============================
% 0.45/0.99  
% 0.45/0.99  Given=40. Generated=125. Kept=46. proofs=1.
% 0.45/0.99  Usable=31. Sos=0. Demods=4. Limbo=2, Disabled=27. Hints=0.
% 0.45/0.99  Megabytes=0.07.
% 0.45/0.99  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.45/0.99  
% 0.45/0.99  ============================== end of statistics =====================
% 0.45/0.99  
% 0.45/0.99  ============================== end of search =========================
% 0.45/0.99  
% 0.45/0.99  THEOREM PROVED
% 0.45/0.99  % SZS status Theorem
% 0.45/0.99  
% 0.45/0.99  Exiting with 1 proof.
% 0.45/0.99  
% 0.45/0.99  Process 12862 exit (max_proofs) Sat Jul  9 22:01:17 2022
% 0.45/0.99  Prover9 interrupted
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