TSTP Solution File: SEU107+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SEU107+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n008.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 13:29:03 EDT 2022

% Result   : Theorem 0.73s 1.05s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU107+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n008.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 : Sun Jun 19 19:30:37 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.73/1.05  ============================== Prover9 ===============================
% 0.73/1.05  Prover9 (32) version 2009-11A, November 2009.
% 0.73/1.05  Process 22923 was started by sandbox2 on n008.cluster.edu,
% 0.73/1.05  Sun Jun 19 19:30:38 2022
% 0.73/1.05  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_22768_n008.cluster.edu".
% 0.73/1.05  ============================== end of head ===========================
% 0.73/1.05  
% 0.73/1.05  ============================== INPUT =================================
% 0.73/1.05  
% 0.73/1.05  % Reading from file /tmp/Prover9_22768_n008.cluster.edu
% 0.73/1.05  
% 0.73/1.05  set(prolog_style_variables).
% 0.73/1.05  set(auto2).
% 0.73/1.05      % set(auto2) -> set(auto).
% 0.73/1.05      % set(auto) -> set(auto_inference).
% 0.73/1.05      % set(auto) -> set(auto_setup).
% 0.73/1.05      % set(auto_setup) -> set(predicate_elim).
% 0.73/1.05      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.73/1.05      % set(auto) -> set(auto_limits).
% 0.73/1.05      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.73/1.05      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.73/1.05      % set(auto) -> set(auto_denials).
% 0.73/1.05      % set(auto) -> set(auto_process).
% 0.73/1.05      % set(auto2) -> assign(new_constants, 1).
% 0.73/1.05      % set(auto2) -> assign(fold_denial_max, 3).
% 0.73/1.05      % set(auto2) -> assign(max_weight, "200.000").
% 0.73/1.05      % set(auto2) -> assign(max_hours, 1).
% 0.73/1.05      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.73/1.05      % set(auto2) -> assign(max_seconds, 0).
% 0.73/1.05      % set(auto2) -> assign(max_minutes, 5).
% 0.73/1.05      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.73/1.05      % set(auto2) -> set(sort_initial_sos).
% 0.73/1.05      % set(auto2) -> assign(sos_limit, -1).
% 0.73/1.05      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.73/1.05      % set(auto2) -> assign(max_megs, 400).
% 0.73/1.05      % set(auto2) -> assign(stats, some).
% 0.73/1.05      % set(auto2) -> clear(echo_input).
% 0.73/1.05      % set(auto2) -> set(quiet).
% 0.73/1.05      % set(auto2) -> clear(print_initial_clauses).
% 0.73/1.05      % set(auto2) -> clear(print_given).
% 0.73/1.05  assign(lrs_ticks,-1).
% 0.73/1.05  assign(sos_limit,10000).
% 0.73/1.05  assign(order,kbo).
% 0.73/1.05  set(lex_order_vars).
% 0.73/1.05  clear(print_given).
% 0.73/1.05  
% 0.73/1.05  % formulas(sos).  % not echoed (33 formulas)
% 0.73/1.05  
% 0.73/1.05  ============================== end of input ==========================
% 0.73/1.05  
% 0.73/1.05  % From the command line: assign(max_seconds, 300).
% 0.73/1.05  
% 0.73/1.05  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.73/1.05  
% 0.73/1.05  % Formulas that are not ordinary clauses:
% 0.73/1.05  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  2 (all A (empty(A) -> finite(A))) # label(cc1_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  3 (all A (preboolean(A) -> cup_closed(A) & diff_closed(A))) # label(cc1_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  4 (all A (finite(A) -> (all B (element(B,powerset(A)) -> finite(B))))) # label(cc2_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  5 (all A (cup_closed(A) & diff_closed(A) -> preboolean(A))) # label(cc2_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  6 (all A all B all C (-empty(A) & preboolean(A) & element(B,A) & element(C,A) -> element(prebool_difference(A,B,C),A))) # label(dt_k2_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  7 (all A exists B element(B,A)) # label(existence_m1_subset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  8 (all A all B (finite(A) -> finite(set_difference(A,B)))) # label(fc12_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  9 (all A -empty(powerset(A))) # label(fc1_subset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  10 (exists A (-empty(A) & finite(A))) # label(rc1_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  11 (exists A (-empty(A) & cup_closed(A) & cap_closed(A) & diff_closed(A) & preboolean(A))) # label(rc1_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  12 (all A (-empty(A) -> (exists B (element(B,powerset(A)) & -empty(B))))) # label(rc1_subset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  13 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  14 (all A exists B (element(B,powerset(A)) & empty(B) & relation(B) & function(B) & one_to_one(B) & epsilon_transitive(B) & epsilon_connected(B) & ordinal(B) & natural(B) & finite(B))) # label(rc2_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  15 (all A exists B (element(B,powerset(A)) & empty(B))) # label(rc2_subset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  16 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  17 (all A (-empty(A) -> (exists B (element(B,powerset(A)) & -empty(B) & finite(B))))) # label(rc3_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  18 (all A (-empty(A) -> (exists B (element(B,powerset(A)) & -empty(B) & finite(B))))) # label(rc4_finset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  19 (all A all B all C (-empty(A) & preboolean(A) & element(B,A) & element(C,A) -> prebool_difference(A,B,C) = set_difference(B,C))) # label(redefinition_k2_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  20 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  21 (all A all B (in(A,B) -> element(A,B))) # label(t1_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  22 (all A all B (element(A,B) -> empty(B) | in(A,B))) # label(t2_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  23 (all A all B (set_difference(A,B) = empty_set <-> subset(A,B))) # label(t37_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  24 (all A set_difference(A,empty_set) = A) # label(t3_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  25 (all A all B (element(A,powerset(B)) <-> subset(A,B))) # label(t3_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  26 (all A set_difference(empty_set,A) = empty_set) # label(t4_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  27 (all A all B all C (in(A,B) & element(B,powerset(C)) -> element(A,C))) # label(t4_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  28 (all A all B all C -(in(A,B) & element(B,powerset(C)) & empty(C))) # label(t5_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  29 (all A (empty(A) -> A = empty_set)) # label(t6_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  30 (all A all B -(in(A,B) & empty(B))) # label(t7_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  31 (all A all B -(empty(A) & A != B & empty(B))) # label(t8_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  32 -(all A (-empty(A) & preboolean(A) -> in(empty_set,A))) # label(t18_finsub_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.73/1.05  
% 0.73/1.05  ============================== end of process non-clausal formulas ===
% 0.73/1.05  
% 0.73/1.05  ============================== PROCESS INITIAL CLAUSES ===============
% 0.73/1.05  
% 0.73/1.05  ============================== PREDICATE ELIMINATION =================
% 0.73/1.05  33 -cup_closed(A) | -diff_closed(A) | preboolean(A) # label(cc2_finsub_1) # label(axiom).  [clausify(5)].
% 0.73/1.05  34 cup_closed(c2) # label(rc1_finsub_1) # label(axiom).  [clausify(11)].
% 0.73/1.05  35 -preboolean(A) | cup_closed(A) # label(cc1_finsub_1) # label(axiom).  [clausify(3)].
% 0.73/1.05  Derived: -diff_closed(c2) | preboolean(c2).  [resolve(33,a,34,a)].
% 0.73/1.05  36 -preboolean(A) | diff_closed(A) # label(cc1_finsub_1) # label(axiom).  [clausify(3)].
% 0.73/1.05  37 preboolean(c2) # label(rc1_finsub_1) # label(axiom).  [clausify(11)].
% 0.73/1.05  38 preboolean(c5) # label(t18_finsub_1) # label(negated_conjecture).  [clausify(32)].
% 0.73/1.05  Derived: diff_closed(c2).  [resolve(36,a,37,a)].
% 0.73/1.05  Derived: diff_closed(c5).  [resolve(36,a,38,a)].
% 0.73/1.05  39 empty(A) | -preboolean(A) | -element(B,A) | -element(C,A) | element(prebool_difference(A,B,C),A) # label(dt_k2_finsub_1) # label(axiom).  [clausify(6)].
% 0.73/1.05  Derived: empty(c2) | -element(A,c2) | -element(B,c2) | element(prebool_difference(c2,A,B),c2).  [resolve(39,b,37,a)].
% 0.73/1.05  Derived: empty(c5) | -element(A,c5) | -element(B,c5) | element(prebool_difference(c5,A,B),c5).  [resolve(39,b,38,a)].
% 0.73/1.05  40 empty(A) | -preboolean(A) | -element(B,A) | -element(C,A) | set_difference(B,C) = prebool_difference(A,B,C) # label(redefinition_k2_finsub_1) # label(axiom).  [clausify(19)].
% 0.73/1.05  Derived: empty(c2) | -element(A,c2) | -element(B,c2) | set_difference(A,B) = prebool_difference(c2,A,B).  [resolve(40,b,37,a)].
% 0.73/1.05  Derived: empty(c5) | -element(A,c5) | -element(B,c5) | set_difference(A,B) = prebool_difference(c5,A,B).  [resolve(40,b,38,a)].
% 0.73/1.05  41 -diff_closed(c2) | preboolean(c2).  [resolve(33,a,34,a)].
% 0.73/1.05  42 element(A,powerset(B)) | -subset(A,B) # label(t3_subset) # label(axiom).  [clausify(25)].
% 0.73/1.05  43 subset(A,A) # label(reflexivity_r1_tarski) # label(axiom).  [clausify(20)].
% 0.73/1.05  44 -element(A,powerset(B)) | subset(A,B) # label(t3_subset) # label(axiom).  [clausify(25)].
% 0.73/1.05  Derived: element(A,powerset(A)).  [resolve(42,b,43,a)].
% 0.73/1.05  45 set_difference(A,B) != empty_set | subset(A,B) # label(t37_xboole_1) # label(axiom).  [clausify(23)].
% 0.73/1.05  Derived: set_difference(A,B) != empty_set | element(A,powerset(B)).  [resolve(45,b,42,b)].
% 0.73/1.05  46 set_difference(A,B) = empty_set | -subset(A,B) # label(t37_xboole_1) # label(axiom).  [clausify(23)].
% 0.73/1.05  Derived: set_difference(A,A) = empty_set.  [resolve(46,b,43,a)].
% 0.73/1.05  Derived: set_difference(A,B) = empty_set | -element(A,powerset(B)).  [resolve(46,b,44,b)].
% 0.73/1.05  
% 0.73/1.05  ============================== end predicate elimination =============
% 0.73/1.05  
% 0.73/1.05  Auto_denials:  (non-Horn, no changes).
% 0.73/1.05  
% 0.73/1.05  Term ordering decisions:
% 0.73/1.05  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. c5=1. set_difference=1. powerset=1. f1=1. f2=1. f3=1. f4=1. f5=1. f6=1. prebool_difference=1.
% 0.73/1.05  
% 0.73/1.05  ============================== end of process initial clauses ========
% 0.73/1.05  
% 0.73/1.05  ============================== CLAUSES FOR SEARCH ====================
% 0.73/1.05  
% 0.73/1.05  ============================== end of clauses for search =============
% 0.73/1.05  
% 0.73/1.05  ============================== SEARCH ================================
% 0.73/1.05  
% 0.73/1.05  % Starting search at 0.02 seconds.
% 0.73/1.05  
% 0.73/1.05  ============================== PROOF =================================
% 0.73/1.05  % SZS status Theorem
% 0.73/1.05  % SZS output start Refutation
% 0.73/1.05  
% 0.73/1.05  % Proof 1 at 0.02 (+ 0.00) seconds.
% 0.73/1.05  % Length of proof is 27.
% 0.73/1.05  % Level of proof is 6.
% 0.73/1.05  % Maximum clause weight is 14.000.
% 0.73/1.05  % Given clauses 49.
% 0.73/1.05  
% 0.73/1.05  6 (all A all B all C (-empty(A) & preboolean(A) & element(B,A) & element(C,A) -> element(prebool_difference(A,B,C),A))) # label(dt_k2_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  7 (all A exists B element(B,A)) # label(existence_m1_subset_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  19 (all A all B all C (-empty(A) & preboolean(A) & element(B,A) & element(C,A) -> prebool_difference(A,B,C) = set_difference(B,C))) # label(redefinition_k2_finsub_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  20 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  22 (all A all B (element(A,B) -> empty(B) | in(A,B))) # label(t2_subset) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  23 (all A all B (set_difference(A,B) = empty_set <-> subset(A,B))) # label(t37_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.73/1.05  32 -(all A (-empty(A) & preboolean(A) -> in(empty_set,A))) # label(t18_finsub_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.73/1.05  38 preboolean(c5) # label(t18_finsub_1) # label(negated_conjecture).  [clausify(32)].
% 0.73/1.05  39 empty(A) | -preboolean(A) | -element(B,A) | -element(C,A) | element(prebool_difference(A,B,C),A) # label(dt_k2_finsub_1) # label(axiom).  [clausify(6)].
% 0.73/1.05  40 empty(A) | -preboolean(A) | -element(B,A) | -element(C,A) | set_difference(B,C) = prebool_difference(A,B,C) # label(redefinition_k2_finsub_1) # label(axiom).  [clausify(19)].
% 0.73/1.05  43 subset(A,A) # label(reflexivity_r1_tarski) # label(axiom).  [clausify(20)].
% 0.73/1.05  46 set_difference(A,B) = empty_set | -subset(A,B) # label(t37_xboole_1) # label(axiom).  [clausify(23)].
% 0.73/1.05  53 element(f1(A),A) # label(existence_m1_subset_1) # label(axiom).  [clausify(7)].
% 0.73/1.05  66 -empty(c5) # label(t18_finsub_1) # label(negated_conjecture).  [clausify(32)].
% 0.73/1.05  68 -in(empty_set,c5) # label(t18_finsub_1) # label(negated_conjecture).  [clausify(32)].
% 0.73/1.05  81 -element(A,B) | empty(B) | in(A,B) # label(t2_subset) # label(axiom).  [clausify(22)].
% 0.73/1.05  85 empty(c5) | -element(A,c5) | -element(B,c5) | element(prebool_difference(c5,A,B),c5).  [resolve(39,b,38,a)].
% 0.73/1.05  86 -element(A,c5) | -element(B,c5) | element(prebool_difference(c5,A,B),c5).  [copy(85),unit_del(a,66)].
% 0.73/1.05  89 empty(c5) | -element(A,c5) | -element(B,c5) | set_difference(A,B) = prebool_difference(c5,A,B).  [resolve(40,b,38,a)].
% 0.73/1.05  90 -element(A,c5) | -element(B,c5) | prebool_difference(c5,A,B) = set_difference(A,B).  [copy(89),flip(d),unit_del(a,66)].
% 0.73/1.05  93 set_difference(A,A) = empty_set.  [resolve(46,b,43,a)].
% 0.73/1.05  97 -element(A,c5) | element(prebool_difference(c5,A,A),c5).  [factor(86,a,b)].
% 0.73/1.05  99 -element(A,c5) | prebool_difference(c5,A,A) = empty_set.  [factor(90,a,b),rewrite([93(5)])].
% 0.73/1.05  139 -element(empty_set,c5).  [ur(81,b,66,a,c,68,a)].
% 0.73/1.05  160 element(prebool_difference(c5,f1(c5),f1(c5)),c5).  [resolve(97,a,53,a)].
% 0.73/1.05  163 prebool_difference(c5,f1(c5),f1(c5)) = empty_set.  [resolve(99,a,53,a)].
% 0.73/1.05  164 $F.  [back_rewrite(160),rewrite([163(6)]),unit_del(a,139)].
% 0.73/1.05  
% 0.73/1.05  % SZS output end Refutation
% 0.73/1.05  ============================== end of proof ==========================
% 0.73/1.05  
% 0.73/1.05  ============================== STATISTICS ============================
% 0.73/1.05  
% 0.73/1.05  Given=49. Generated=156. Kept=113. proofs=1.
% 0.73/1.05  Usable=43. Sos=53. Demods=9. Limbo=1, Disabled=85. Hints=0.
% 0.73/1.05  Megabytes=0.15.
% 0.73/1.05  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.73/1.05  
% 0.73/1.05  ============================== end of statistics =====================
% 0.73/1.05  
% 0.73/1.05  ============================== end of search =========================
% 0.73/1.06  
% 0.73/1.06  THEOREM PROVED
% 0.73/1.06  % SZS status Theorem
% 0.73/1.06  
% 0.73/1.06  Exiting with 1 proof.
% 0.73/1.06  
% 0.73/1.06  Process 22923 exit (max_proofs) Sun Jun 19 19:30:38 2022
% 0.73/1.06  Prover9 interrupted
%------------------------------------------------------------------------------