TSTP Solution File: SET984+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET984+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n005.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 04:33:51 EDT 2022

% Result   : Theorem 0.76s 1.04s
% Output   : Refutation 0.76s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET984+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n005.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jul 10 06:36:37 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.47/1.01  ============================== Prover9 ===============================
% 0.47/1.01  Prover9 (32) version 2009-11A, November 2009.
% 0.47/1.01  Process 27989 was started by sandbox2 on n005.cluster.edu,
% 0.47/1.01  Sun Jul 10 06:36:37 2022
% 0.47/1.01  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_27836_n005.cluster.edu".
% 0.47/1.01  ============================== end of head ===========================
% 0.47/1.01  
% 0.47/1.01  ============================== INPUT =================================
% 0.47/1.01  
% 0.47/1.01  % Reading from file /tmp/Prover9_27836_n005.cluster.edu
% 0.47/1.01  
% 0.47/1.01  set(prolog_style_variables).
% 0.47/1.01  set(auto2).
% 0.47/1.01      % set(auto2) -> set(auto).
% 0.47/1.01      % set(auto) -> set(auto_inference).
% 0.47/1.01      % set(auto) -> set(auto_setup).
% 0.47/1.01      % set(auto_setup) -> set(predicate_elim).
% 0.47/1.01      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.47/1.01      % set(auto) -> set(auto_limits).
% 0.47/1.01      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.47/1.01      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.47/1.01      % set(auto) -> set(auto_denials).
% 0.47/1.01      % set(auto) -> set(auto_process).
% 0.47/1.01      % set(auto2) -> assign(new_constants, 1).
% 0.47/1.01      % set(auto2) -> assign(fold_denial_max, 3).
% 0.47/1.01      % set(auto2) -> assign(max_weight, "200.000").
% 0.47/1.01      % set(auto2) -> assign(max_hours, 1).
% 0.47/1.01      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.47/1.01      % set(auto2) -> assign(max_seconds, 0).
% 0.47/1.01      % set(auto2) -> assign(max_minutes, 5).
% 0.47/1.01      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.47/1.01      % set(auto2) -> set(sort_initial_sos).
% 0.47/1.01      % set(auto2) -> assign(sos_limit, -1).
% 0.47/1.01      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.47/1.01      % set(auto2) -> assign(max_megs, 400).
% 0.47/1.01      % set(auto2) -> assign(stats, some).
% 0.47/1.01      % set(auto2) -> clear(echo_input).
% 0.47/1.01      % set(auto2) -> set(quiet).
% 0.47/1.01      % set(auto2) -> clear(print_initial_clauses).
% 0.47/1.01      % set(auto2) -> clear(print_given).
% 0.47/1.01  assign(lrs_ticks,-1).
% 0.47/1.01  assign(sos_limit,10000).
% 0.47/1.01  assign(order,kbo).
% 0.47/1.01  set(lex_order_vars).
% 0.47/1.01  clear(print_given).
% 0.47/1.01  
% 0.47/1.01  % formulas(sos).  % not echoed (12 formulas)
% 0.47/1.01  
% 0.47/1.01  ============================== end of input ==========================
% 0.47/1.01  
% 0.47/1.01  % From the command line: assign(max_seconds, 300).
% 0.47/1.01  
% 0.47/1.01  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.47/1.01  
% 0.47/1.01  % Formulas that are not ordinary clauses:
% 0.47/1.01  1 (all A all B set_intersection2(A,B) = set_intersection2(B,A)) # label(commutativity_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  2 (all A all B set_intersection2(A,A) = A) # label(idempotence_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  3 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  4 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  5 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  6 (all A all B (cartesian_product2(A,B) = empty_set <-> A = empty_set | B = empty_set)) # label(t113_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  7 (all A all B all C all D cartesian_product2(set_intersection2(A,B),set_intersection2(C,D)) = set_intersection2(cartesian_product2(A,C),cartesian_product2(B,D))) # label(t123_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  8 (all A all B all C all D (cartesian_product2(A,B) = cartesian_product2(C,D) -> A = empty_set | B = empty_set | A = C & B = D)) # label(t134_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  9 (all A all B subset(set_intersection2(A,B),A)) # label(t17_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  10 (all A all B (subset(A,B) -> set_intersection2(A,B) = A)) # label(t28_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.01  11 -(all A all B all C all D (subset(cartesian_product2(A,B),cartesian_product2(C,D)) -> cartesian_product2(A,B) = empty_set | subset(A,C) & subset(B,D))) # label(t138_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.47/1.01  
% 0.47/1.01  ============================== end of process non-clausal formulas ===
% 0.47/1.01  
% 0.47/1.01  ============================== PROCESS INITIAL CLAUSES ===============
% 0.47/1.01  
% 0.47/1.01  ============================== PREDICATE ELIMINATION =================
% 0.47/1.01  
% 0.47/1.01  ============================== end predicate elimination =============
% 0.76/1.04  
% 0.76/1.04  Auto_denials:  (non-Horn, no changes).
% 0.76/1.04  
% 0.76/1.04  Term ordering decisions:
% 0.76/1.04  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. c5=1. c6=1. cartesian_product2=1. set_intersection2=1.
% 0.76/1.04  
% 0.76/1.04  ============================== end of process initial clauses ========
% 0.76/1.04  
% 0.76/1.04  ============================== CLAUSES FOR SEARCH ====================
% 0.76/1.04  
% 0.76/1.04  ============================== end of clauses for search =============
% 0.76/1.04  
% 0.76/1.04  ============================== SEARCH ================================
% 0.76/1.04  
% 0.76/1.04  % Starting search at 0.01 seconds.
% 0.76/1.04  
% 0.76/1.04  ============================== PROOF =================================
% 0.76/1.04  % SZS status Theorem
% 0.76/1.04  % SZS output start Refutation
% 0.76/1.04  
% 0.76/1.04  % Proof 1 at 0.03 (+ 0.01) seconds.
% 0.76/1.04  % Length of proof is 28.
% 0.76/1.04  % Level of proof is 7.
% 0.76/1.04  % Maximum clause weight is 16.000.
% 0.76/1.04  % Given clauses 46.
% 0.76/1.04  
% 0.76/1.04  1 (all A all B set_intersection2(A,B) = set_intersection2(B,A)) # label(commutativity_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  6 (all A all B (cartesian_product2(A,B) = empty_set <-> A = empty_set | B = empty_set)) # label(t113_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  7 (all A all B all C all D cartesian_product2(set_intersection2(A,B),set_intersection2(C,D)) = set_intersection2(cartesian_product2(A,C),cartesian_product2(B,D))) # label(t123_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  8 (all A all B all C all D (cartesian_product2(A,B) = cartesian_product2(C,D) -> A = empty_set | B = empty_set | A = C & B = D)) # label(t134_zfmisc_1) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  9 (all A all B subset(set_intersection2(A,B),A)) # label(t17_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  10 (all A all B (subset(A,B) -> set_intersection2(A,B) = A)) # label(t28_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.76/1.04  11 -(all A all B all C all D (subset(cartesian_product2(A,B),cartesian_product2(C,D)) -> cartesian_product2(A,B) = empty_set | subset(A,C) & subset(B,D))) # label(t138_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.76/1.04  16 subset(set_intersection2(A,B),A) # label(t17_xboole_1) # label(axiom).  [clausify(9)].
% 0.76/1.04  17 set_intersection2(A,B) = set_intersection2(B,A) # label(commutativity_k3_xboole_0) # label(axiom).  [clausify(1)].
% 0.76/1.04  18 subset(cartesian_product2(c3,c4),cartesian_product2(c5,c6)) # label(t138_zfmisc_1) # label(negated_conjecture).  [clausify(11)].
% 0.76/1.04  19 cartesian_product2(set_intersection2(A,B),set_intersection2(C,D)) = set_intersection2(cartesian_product2(A,C),cartesian_product2(B,D)) # label(t123_zfmisc_1) # label(axiom).  [clausify(7)].
% 0.76/1.04  20 set_intersection2(cartesian_product2(A,B),cartesian_product2(C,D)) = cartesian_product2(set_intersection2(A,C),set_intersection2(B,D)).  [copy(19),flip(a)].
% 0.76/1.04  22 cartesian_product2(c3,c4) != empty_set # label(t138_zfmisc_1) # label(negated_conjecture).  [clausify(11)].
% 0.76/1.04  23 -subset(c3,c5) | -subset(c4,c6) # label(t138_zfmisc_1) # label(negated_conjecture).  [clausify(11)].
% 0.76/1.04  24 cartesian_product2(A,B) = empty_set | empty_set != A # label(t113_zfmisc_1) # label(axiom).  [clausify(6)].
% 0.76/1.04  25 cartesian_product2(A,B) = empty_set | empty_set != B # label(t113_zfmisc_1) # label(axiom).  [clausify(6)].
% 0.76/1.04  26 -subset(A,B) | set_intersection2(A,B) = A # label(t28_xboole_1) # label(axiom).  [clausify(10)].
% 0.76/1.04  28 cartesian_product2(A,B) != cartesian_product2(C,D) | empty_set = C | empty_set = D | A = C # label(t134_zfmisc_1) # label(axiom).  [clausify(8)].
% 0.76/1.04  29 cartesian_product2(A,B) != cartesian_product2(C,D) | empty_set = C | empty_set = D | B = D # label(t134_zfmisc_1) # label(axiom).  [clausify(8)].
% 0.76/1.04  37 subset(set_intersection2(A,B),B).  [para(17(a,1),16(a,1))].
% 0.76/1.04  40 c3 != empty_set.  [ur(24,a,22,a),flip(a)].
% 0.76/1.04  42 c4 != empty_set.  [ur(25,a,22,a),flip(a)].
% 0.76/1.04  43 cartesian_product2(set_intersection2(c3,c5),set_intersection2(c4,c6)) = cartesian_product2(c3,c4).  [resolve(26,a,18,a),rewrite([20(7)])].
% 0.76/1.04  143 set_intersection2(c4,c6) = c4.  [resolve(43,a,29,a),flip(a),flip(b),unit_del(a,40),unit_del(b,42)].
% 0.76/1.04  144 set_intersection2(c3,c5) = c3.  [resolve(43,a,28,a),flip(a),flip(b),unit_del(a,40),unit_del(b,42)].
% 0.76/1.04  235 subset(c4,c6).  [para(143(a,1),37(a,1))].
% 0.76/1.04  236 -subset(c3,c5).  [back_unit_del(23),unit_del(b,235)].
% 0.76/1.04  237 $F.  [para(144(a,1),37(a,1)),unit_del(a,236)].
% 0.76/1.04  
% 0.76/1.04  % SZS output end Refutation
% 0.76/1.04  ============================== end of proof ==========================
% 0.76/1.04  
% 0.76/1.04  ============================== STATISTICS ============================
% 0.76/1.04  
% 0.76/1.04  Given=46. Generated=1036. Kept=224. proofs=1.
% 0.76/1.04  Usable=44. Sos=174. Demods=13. Limbo=0, Disabled=23. Hints=0.
% 0.76/1.04  Megabytes=0.20.
% 0.76/1.04  User_CPU=0.03, System_CPU=0.01, Wall_clock=0.
% 0.76/1.04  
% 0.76/1.04  ============================== end of statistics =====================
% 0.76/1.04  
% 0.76/1.04  ============================== end of search =========================
% 0.76/1.04  
% 0.76/1.04  THEOREM PROVED
% 0.76/1.04  % SZS status Theorem
% 0.76/1.04  
% 0.76/1.04  Exiting with 1 proof.
% 0.76/1.04  
% 0.76/1.04  Process 27989 exit (max_proofs) Sun Jul 10 06:36:37 2022
% 0.76/1.04  Prover9 interrupted
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