TSTP Solution File: SEU154+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SEU154+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n011.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 13:29:25 EDT 2022

% Result   : Theorem 2.46s 2.76s
% Output   : Refutation 2.46s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU154+1 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n011.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 Jun 19 11:54:53 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.47/1.05  ============================== Prover9 ===============================
% 0.47/1.05  Prover9 (32) version 2009-11A, November 2009.
% 0.47/1.05  Process 5142 was started by sandbox2 on n011.cluster.edu,
% 0.47/1.05  Sun Jun 19 11:54:54 2022
% 0.47/1.05  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_4988_n011.cluster.edu".
% 0.47/1.05  ============================== end of head ===========================
% 0.47/1.05  
% 0.47/1.05  ============================== INPUT =================================
% 0.47/1.05  
% 0.47/1.05  % Reading from file /tmp/Prover9_4988_n011.cluster.edu
% 0.47/1.05  
% 0.47/1.05  set(prolog_style_variables).
% 0.47/1.05  set(auto2).
% 0.47/1.05      % set(auto2) -> set(auto).
% 0.47/1.05      % set(auto) -> set(auto_inference).
% 0.47/1.05      % set(auto) -> set(auto_setup).
% 0.47/1.05      % set(auto_setup) -> set(predicate_elim).
% 0.47/1.05      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.47/1.05      % set(auto) -> set(auto_limits).
% 0.47/1.05      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.47/1.05      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.47/1.05      % set(auto) -> set(auto_denials).
% 0.47/1.05      % set(auto) -> set(auto_process).
% 0.47/1.05      % set(auto2) -> assign(new_constants, 1).
% 0.47/1.05      % set(auto2) -> assign(fold_denial_max, 3).
% 0.47/1.05      % set(auto2) -> assign(max_weight, "200.000").
% 0.47/1.05      % set(auto2) -> assign(max_hours, 1).
% 0.47/1.05      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.47/1.05      % set(auto2) -> assign(max_seconds, 0).
% 0.47/1.05      % set(auto2) -> assign(max_minutes, 5).
% 0.47/1.05      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.47/1.05      % set(auto2) -> set(sort_initial_sos).
% 0.47/1.05      % set(auto2) -> assign(sos_limit, -1).
% 0.47/1.05      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.47/1.05      % set(auto2) -> assign(max_megs, 400).
% 0.47/1.05      % set(auto2) -> assign(stats, some).
% 0.47/1.05      % set(auto2) -> clear(echo_input).
% 0.47/1.05      % set(auto2) -> set(quiet).
% 0.47/1.05      % set(auto2) -> clear(print_initial_clauses).
% 0.47/1.05      % set(auto2) -> clear(print_given).
% 0.47/1.05  assign(lrs_ticks,-1).
% 0.47/1.05  assign(sos_limit,10000).
% 0.47/1.05  assign(order,kbo).
% 0.47/1.05  set(lex_order_vars).
% 0.47/1.05  clear(print_given).
% 0.47/1.05  
% 0.47/1.05  % formulas(sos).  % not echoed (18 formulas)
% 0.47/1.05  
% 0.47/1.05  ============================== end of input ==========================
% 0.47/1.05  
% 0.47/1.05  % From the command line: assign(max_seconds, 300).
% 0.47/1.05  
% 0.47/1.05  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.47/1.05  
% 0.47/1.05  % Formulas that are not ordinary clauses:
% 0.47/1.05  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  2 (all A all B set_intersection2(A,B) = set_intersection2(B,A)) # label(commutativity_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  3 (all A all B (A = B <-> subset(A,B) & subset(B,A))) # label(d10_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  4 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  5 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  6 (all A all B all C (C = set_intersection2(A,B) <-> (all D (in(D,C) <-> in(D,A) & in(D,B))))) # label(d3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  7 (all A all B (disjoint(A,B) <-> set_intersection2(A,B) = empty_set)) # label(d7_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  8 $T # label(dt_k1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  9 $T # label(dt_k1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  10 $T # label(dt_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  11 (all A all B set_intersection2(A,A) = A) # label(idempotence_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  12 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  13 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  14 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  15 (all A all B (disjoint(A,B) -> disjoint(B,A))) # label(symmetry_r1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  16 (all A subset(empty_set,A)) # label(t2_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.47/1.05  17 -(all A all B (-in(A,B) -> disjoint(singleton(A),B))) # label(l28_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 2.46/2.76  
% 2.46/2.76  ============================== end of process non-clausal formulas ===
% 2.46/2.76  
% 2.46/2.76  ============================== PROCESS INITIAL CLAUSES ===============
% 2.46/2.76  
% 2.46/2.76  ============================== PREDICATE ELIMINATION =================
% 2.46/2.76  
% 2.46/2.76  ============================== end predicate elimination =============
% 2.46/2.76  
% 2.46/2.76  Auto_denials:  (non-Horn, no changes).
% 2.46/2.76  
% 2.46/2.76  Term ordering decisions:
% 2.46/2.76  
% 2.46/2.76  % Assigning unary symbol singleton kb_weight 0 and highest precedence (15).
% 2.46/2.76  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. set_intersection2=1. f1=1. f2=1. f3=1. singleton=0.
% 2.46/2.76  
% 2.46/2.76  ============================== end of process initial clauses ========
% 2.46/2.76  
% 2.46/2.76  ============================== CLAUSES FOR SEARCH ====================
% 2.46/2.76  
% 2.46/2.76  ============================== end of clauses for search =============
% 2.46/2.76  
% 2.46/2.76  ============================== SEARCH ================================
% 2.46/2.76  
% 2.46/2.76  % Starting search at 0.01 seconds.
% 2.46/2.76  
% 2.46/2.76  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 36 (0.00 of 0.64 sec).
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=29.000, iters=3343
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=27.000, iters=3351
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=26.000, iters=3369
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=24.000, iters=3385
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=23.000, iters=3403
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=22.000, iters=3349
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=21.000, iters=3353
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=20.000, iters=3539
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=19.000, iters=3448
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=18.000, iters=3357
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=17.000, iters=3531
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=16.000, iters=3339
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=15.000, iters=3378
% 2.46/2.76  
% 2.46/2.76  Low Water (keep): wt=14.000, iters=3333
% 2.46/2.76  
% 2.46/2.76  ============================== PROOF =================================
% 2.46/2.76  % SZS status Theorem
% 2.46/2.76  % SZS output start Refutation
% 2.46/2.76  
% 2.46/2.76  % Proof 1 at 1.70 (+ 0.03) seconds.
% 2.46/2.76  % Length of proof is 58.
% 2.46/2.76  % Level of proof is 15.
% 2.46/2.76  % Maximum clause weight is 28.000.
% 2.46/2.76  % Given clauses 891.
% 2.46/2.76  
% 2.46/2.76  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  2 (all A all B set_intersection2(A,B) = set_intersection2(B,A)) # label(commutativity_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  4 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  5 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  6 (all A all B all C (C = set_intersection2(A,B) <-> (all D (in(D,C) <-> in(D,A) & in(D,B))))) # label(d3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  7 (all A all B (disjoint(A,B) <-> set_intersection2(A,B) = empty_set)) # label(d7_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  11 (all A all B set_intersection2(A,A) = A) # label(idempotence_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  16 (all A subset(empty_set,A)) # label(t2_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 2.46/2.76  17 -(all A all B (-in(A,B) -> disjoint(singleton(A),B))) # label(l28_zfmisc_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 2.46/2.76  21 subset(empty_set,A) # label(t2_xboole_1) # label(axiom).  [clausify(16)].
% 2.46/2.76  22 set_intersection2(A,A) = A # label(idempotence_k3_xboole_0) # label(axiom).  [clausify(11)].
% 2.46/2.76  23 set_intersection2(A,B) = set_intersection2(B,A) # label(commutativity_k3_xboole_0) # label(axiom).  [clausify(2)].
% 2.46/2.76  24 subset(A,B) | in(f2(A,B),A) # label(d3_tarski) # label(axiom).  [clausify(5)].
% 2.46/2.76  25 singleton(A) = B | in(f1(A,B),B) | f1(A,B) = A # label(d1_tarski) # label(axiom).  [clausify(4)].
% 2.46/2.76  26 set_intersection2(A,B) = C | in(f3(A,B,C),C) | in(f3(A,B,C),A) # label(d3_xboole_0) # label(axiom).  [clausify(6)].
% 2.46/2.76  27 set_intersection2(A,B) = C | in(f3(A,B,C),C) | in(f3(A,B,C),B) # label(d3_xboole_0) # label(axiom).  [clausify(6)].
% 2.46/2.76  29 -in(c3,c4) # label(l28_zfmisc_1) # label(negated_conjecture).  [clausify(17)].
% 2.46/2.76  30 -disjoint(singleton(c3),c4) # label(l28_zfmisc_1) # label(negated_conjecture).  [clausify(17)].
% 2.46/2.76  31 -in(A,B) | -in(B,A) # label(antisymmetry_r2_hidden) # label(axiom).  [clausify(1)].
% 2.46/2.76  37 disjoint(A,B) | set_intersection2(A,B) != empty_set # label(d7_xboole_0) # label(axiom).  [clausify(7)].
% 2.46/2.76  39 -subset(A,B) | -in(C,A) | in(C,B) # label(d3_tarski) # label(axiom).  [clausify(5)].
% 2.46/2.76  40 singleton(A) != B | -in(C,B) | C = A # label(d1_tarski) # label(axiom).  [clausify(4)].
% 2.46/2.76  41 singleton(A) != B | in(C,B) | C != A # label(d1_tarski) # label(axiom).  [clausify(4)].
% 2.46/2.76  43 set_intersection2(A,B) != C | -in(D,C) | in(D,B) # label(d3_xboole_0) # label(axiom).  [clausify(6)].
% 2.46/2.76  45 set_intersection2(A,B) != C | in(D,C) | -in(D,A) | -in(D,B) # label(d3_xboole_0) # label(axiom).  [clausify(6)].
% 2.46/2.76  49 -in(A,A).  [factor(31,a,b)].
% 2.46/2.76  51 A != B | in(C,B) | -in(C,A).  [factor(45,c,d),rewrite([22(1)])].
% 2.46/2.76  62 set_intersection2(c4,singleton(c3)) != empty_set.  [ur(37,a,30,a),rewrite([23(4)])].
% 2.46/2.76  67 -in(A,B) | in(A,C) | in(f2(B,C),B).  [resolve(39,a,24,a)].
% 2.46/2.76  75 in(A,singleton(B)) | A != B.  [resolve(41,a,22,a(flip)),rewrite([22(3)])].
% 2.46/2.76  105 set_intersection2(A,B) != C | in(f3(B,D,E),C) | -in(f3(B,D,E),A) | set_intersection2(B,D) = E | in(f3(B,D,E),E).  [resolve(45,d,26,c)].
% 2.46/2.76  126 -in(A,set_intersection2(A,B)).  [ur(43,a,23,a,c,49,a)].
% 2.46/2.76  129 -in(A,empty_set).  [ur(39,a,21,a,c,49,a)].
% 2.46/2.76  134 A != B | in(f3(A,C,D),B) | set_intersection2(A,C) = D | in(f3(A,C,D),D).  [resolve(51,c,26,c)].
% 2.46/2.76  148 singleton(A) = empty_set | f1(A,empty_set) = A.  [resolve(129,a,25,b)].
% 2.46/2.76  150 singleton(A) != empty_set.  [ur(41,b,129,a,c,22,a)].
% 2.46/2.76  151 f1(A,empty_set) = A.  [back_unit_del(148),unit_del(a,150)].
% 2.46/2.76  169 in(A,singleton(A)).  [resolve(75,b,151,a),rewrite([151(2)])].
% 2.46/2.76  192 -subset(singleton(A),set_intersection2(A,B)).  [ur(39,b,169,a,c,126,a)].
% 2.46/2.76  194 -subset(singleton(A),A).  [ur(39,b,169,a,c,49,a)].
% 2.46/2.76  225 in(f2(singleton(A),A),singleton(A)).  [resolve(194,a,24,a)].
% 2.46/2.76  236 singleton(A) != singleton(B) | f2(singleton(B),B) = A.  [resolve(225,a,40,b)].
% 2.46/2.76  390 in(f3(A,B,C),D) | in(f2(C,D),C) | set_intersection2(A,B) = C | in(f3(A,B,C),B).  [resolve(67,a,27,b)].
% 2.46/2.76  392 in(f3(A,B,C),D) | in(f2(C,D),C) | set_intersection2(A,B) = C | in(f3(A,B,C),A).  [resolve(67,a,26,b)].
% 2.46/2.76  398 in(f2(singleton(A),set_intersection2(A,B)),singleton(A)).  [resolve(192,a,24,a)].
% 2.46/2.76  417 singleton(A) != singleton(B) | f2(singleton(B),set_intersection2(B,C)) = A.  [resolve(398,a,40,b)].
% 2.46/2.76  723 f2(singleton(A),A) = A.  [xx_res(236,a)].
% 2.46/2.76  5179 f3(c4,singleton(c3),empty_set) != c4.  [ur(134,b,49,a,c,62,a,d,129,a),flip(a)].
% 2.46/2.76  5181 -in(f3(c4,singleton(c3),empty_set),singleton(c4)).  [ur(40,a,723,a(flip),c,5179,a),rewrite([723(11)])].
% 2.46/2.76  5666 f2(singleton(A),set_intersection2(A,B)) = A.  [xx_res(417,a)].
% 2.46/2.76  5843 -in(c3,f2(singleton(c4),set_intersection2(A,c4))).  [ur(51,a,5666,a,b,29,a),rewrite([23(5)])].
% 2.46/2.76  8019 in(f3(c4,singleton(c3),empty_set),singleton(c3)).  [resolve(390,a,5181,a),unit_del(a,129),unit_del(b,62)].
% 2.46/2.76  8191 singleton(c3) != singleton(A) | f3(c4,singleton(c3),empty_set) = A.  [resolve(8019,a,40,b),flip(a)].
% 2.46/2.76  8457 in(f3(c4,singleton(c3),empty_set),c4).  [resolve(392,a,5181,a),unit_del(a,129),unit_del(b,62)].
% 2.46/2.76  8598 c4 != A | in(f3(c4,singleton(c3),empty_set),A).  [resolve(8457,a,105,c),rewrite([22(3)]),unit_del(c,62),unit_del(d,129)].
% 2.46/2.76  8781 in(f3(c4,singleton(c3),empty_set),f2(singleton(c4),set_intersection2(A,c4))).  [resolve(8598,a,5666,a(flip)),rewrite([23(9)])].
% 2.46/2.76  9408 f3(c4,singleton(c3),empty_set) = c3.  [xx_res(8191,a)].
% 2.46/2.76  9434 $F.  [back_rewrite(8781),rewrite([9408(5)]),unit_del(a,5843)].
% 2.46/2.76  
% 2.46/2.76  % SZS output end Refutation
% 2.46/2.76  ============================== end of proof ==========================
% 2.46/2.76  
% 2.46/2.76  ============================== STATISTICS ============================
% 2.46/2.76  
% 2.46/2.76  Given=891. Generated=61757. Kept=9416. proofs=1.
% 2.46/2.76  Usable=828. Sos=7568. Demods=23. Limbo=26, Disabled=1023. Hints=0.
% 2.46/2.76  Megabytes=8.17.
% 2.46/2.76  User_CPU=1.70, System_CPU=0.03, Wall_clock=2.
% 2.46/2.76  
% 2.46/2.76  ============================== end of statistics =====================
% 2.46/2.76  
% 2.46/2.76  ============================== end of search =========================
% 2.46/2.76  
% 2.46/2.76  THEOREM PROVED
% 2.46/2.76  % SZS status Theorem
% 2.46/2.76  
% 2.46/2.76  Exiting with 1 proof.
% 2.46/2.76  
% 2.46/2.76  Process 5142 exit (max_proofs) Sun Jun 19 11:54:56 2022
% 2.46/2.76  Prover9 interrupted
%------------------------------------------------------------------------------