TSTP Solution File: SET921+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET921+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n007.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 04:33:25 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
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET921+1 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n007.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 20:43:32 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.73/1.01  ============================== Prover9 ===============================
% 0.73/1.01  Prover9 (32) version 2009-11A, November 2009.
% 0.73/1.01  Process 3597 was started by sandbox2 on n007.cluster.edu,
% 0.73/1.01  Sun Jul 10 20:43:33 2022
% 0.73/1.01  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_3444_n007.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_3444_n007.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 A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  2 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  3 (all A all B all C (C = set_difference(A,B) <-> (all D (in(D,C) <-> in(D,A) & -in(D,B))))) # label(d4_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  4 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  5 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  6 -(all A all B all C (in(A,set_difference(B,singleton(C))) <-> in(A,B) & A != C)) # label(t64_zfmisc_1) # 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  
% 0.73/1.01  % Assigning unary symbol singleton kb_weight 0 and highest precedence (12).
% 0.73/1.01  Function symbol KB weights:  c1=1. c2=1. c3=1. c4=1. c5=1. set_difference=1. f1=1. f2=1. singleton=0.
% 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 0.04 (+ 0.00) seconds.
% 0.73/1.01  % Length of proof is 23.
% 0.73/1.01  % Level of proof is 9.
% 0.73/1.01  % Maximum clause weight is 14.000.
% 0.73/1.01  % Given clauses 82.
% 0.73/1.01  
% 0.73/1.01  2 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  3 (all A all B all C (C = set_difference(A,B) <-> (all D (in(D,C) <-> in(D,A) & -in(D,B))))) # label(d4_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.01  6 -(all A all B all C (in(A,set_difference(B,singleton(C))) <-> in(A,B) & A != C)) # label(t64_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.73/1.01  8 in(c3,set_difference(c4,singleton(c5))) | in(c3,c4) # label(t64_zfmisc_1) # label(negated_conjecture).  [clausify(6)].
% 0.73/1.01  13 set_difference(A,B) != C | -in(D,C) | -in(D,B) # label(d4_xboole_0) # label(axiom).  [clausify(3)].
% 0.73/1.01  14 in(c3,set_difference(c4,singleton(c5))) | c5 != c3 # label(t64_zfmisc_1) # label(negated_conjecture).  [clausify(6)].
% 0.73/1.01  15 singleton(A) != B | -in(C,B) | C = A # label(d1_tarski) # label(axiom).  [clausify(2)].
% 0.73/1.01  16 singleton(A) != B | in(C,B) | C != A # label(d1_tarski) # label(axiom).  [clausify(2)].
% 0.73/1.01  17 set_difference(A,B) != C | -in(D,C) | in(D,A) # label(d4_xboole_0) # label(axiom).  [clausify(3)].
% 0.73/1.01  18 -in(c3,set_difference(c4,singleton(c5))) | -in(c3,c4) | c5 = c3 # label(t64_zfmisc_1) # label(negated_conjecture).  [clausify(6)].
% 0.73/1.01  20 set_difference(A,B) != C | in(D,C) | -in(D,A) | in(D,B) # label(d4_xboole_0) # label(axiom).  [clausify(3)].
% 0.73/1.01  45 in(A,singleton(B)) | A != B.  [xx_res(16,a)].
% 0.73/1.01  50 set_difference(c4,singleton(c5)) != set_difference(A,B) | in(c3,A) | in(c3,c4).  [resolve(17,b,8,a),flip(a)].
% 0.73/1.01  53 in(c3,c4).  [factor(50,b,c),xx(a)].
% 0.73/1.01  54 -in(c3,set_difference(c4,singleton(c5))) | c5 = c3.  [back_unit_del(18),unit_del(b,53)].
% 0.73/1.01  90 set_difference(c4,A) != B | in(c3,B) | in(c3,A).  [resolve(53,a,20,c)].
% 0.73/1.01  111 in(A,singleton(A)).  [xx_res(45,b)].
% 0.73/1.01  131 -in(A,set_difference(B,singleton(A))).  [ur(13,a,xx,c,111,a)].
% 0.73/1.01  276 in(c3,set_difference(c4,A)) | in(c3,A).  [xx_res(90,a)].
% 0.73/1.01  277 in(c3,singleton(c5)) | c5 = c3.  [resolve(276,a,54,a)].
% 0.73/1.01  293 c5 = c3 | singleton(c5) != singleton(A) | c3 = A.  [resolve(277,a,15,b),flip(b)].
% 0.73/1.01  377 c5 = c3.  [xx_res(293,b),flip(b),merge(b)].
% 0.73/1.01  378 $F.  [back_rewrite(14),rewrite([377(3),377(7)]),xx(b),unit_del(a,131)].
% 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=82. Generated=721. Kept=371. proofs=1.
% 0.73/1.01  Usable=75. Sos=264. Demods=1. Limbo=1, Disabled=47. Hints=0.
% 0.73/1.01  Megabytes=0.28.
% 0.73/1.01  User_CPU=0.04, 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 3597 exit (max_proofs) Sun Jul 10 20:43:33 2022
% 0.73/1.01  Prover9 interrupted
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