TSTP Solution File: SEU123+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SEU123+1 : TPTP v8.1.0. Released v3.3.0.
% 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 13:29:08 EDT 2022

% Result   : Theorem 0.42s 0.97s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU123+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n027.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 : Mon Jun 20 05:51:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/0.97  ============================== Prover9 ===============================
% 0.42/0.97  Prover9 (32) version 2009-11A, November 2009.
% 0.42/0.97  Process 10813 was started by sandbox on n027.cluster.edu,
% 0.42/0.97  Mon Jun 20 05:51:25 2022
% 0.42/0.97  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_10660_n027.cluster.edu".
% 0.42/0.97  ============================== end of head ===========================
% 0.42/0.97  
% 0.42/0.97  ============================== INPUT =================================
% 0.42/0.97  
% 0.42/0.97  % Reading from file /tmp/Prover9_10660_n027.cluster.edu
% 0.42/0.97  
% 0.42/0.97  set(prolog_style_variables).
% 0.42/0.97  set(auto2).
% 0.42/0.97      % set(auto2) -> set(auto).
% 0.42/0.97      % set(auto) -> set(auto_inference).
% 0.42/0.97      % set(auto) -> set(auto_setup).
% 0.42/0.97      % set(auto_setup) -> set(predicate_elim).
% 0.42/0.97      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.42/0.97      % set(auto) -> set(auto_limits).
% 0.42/0.97      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.42/0.97      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.42/0.97      % set(auto) -> set(auto_denials).
% 0.42/0.97      % set(auto) -> set(auto_process).
% 0.42/0.97      % set(auto2) -> assign(new_constants, 1).
% 0.42/0.97      % set(auto2) -> assign(fold_denial_max, 3).
% 0.42/0.97      % set(auto2) -> assign(max_weight, "200.000").
% 0.42/0.97      % set(auto2) -> assign(max_hours, 1).
% 0.42/0.97      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.42/0.97      % set(auto2) -> assign(max_seconds, 0).
% 0.42/0.97      % set(auto2) -> assign(max_minutes, 5).
% 0.42/0.97      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.42/0.97      % set(auto2) -> set(sort_initial_sos).
% 0.42/0.97      % set(auto2) -> assign(sos_limit, -1).
% 0.42/0.97      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.42/0.97      % set(auto2) -> assign(max_megs, 400).
% 0.42/0.97      % set(auto2) -> assign(stats, some).
% 0.42/0.97      % set(auto2) -> clear(echo_input).
% 0.42/0.97      % set(auto2) -> set(quiet).
% 0.42/0.97      % set(auto2) -> clear(print_initial_clauses).
% 0.42/0.97      % set(auto2) -> clear(print_given).
% 0.42/0.97  assign(lrs_ticks,-1).
% 0.42/0.97  assign(sos_limit,10000).
% 0.42/0.97  assign(order,kbo).
% 0.42/0.97  set(lex_order_vars).
% 0.42/0.97  clear(print_given).
% 0.42/0.97  
% 0.42/0.97  % formulas(sos).  % not echoed (12 formulas)
% 0.42/0.97  
% 0.42/0.97  ============================== end of input ==========================
% 0.42/0.97  
% 0.42/0.97  % From the command line: assign(max_seconds, 300).
% 0.42/0.97  
% 0.42/0.97  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.42/0.97  
% 0.42/0.97  % Formulas that are not ordinary clauses:
% 0.42/0.97  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  2 (all A all B (A = B <-> subset(A,B) & subset(B,A))) # label(d10_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  3 $T # label(dt_k1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  4 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  5 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  6 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  7 (all A subset(empty_set,A)) # label(t2_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  8 (all A (empty(A) -> A = empty_set)) # label(t6_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  9 (all A all B -(in(A,B) & empty(B))) # label(t7_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  10 (all A all B -(empty(A) & A != B & empty(B))) # label(t8_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  11 -(all A (subset(A,empty_set) -> A = empty_set)) # label(t3_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.42/0.97  
% 0.42/0.97  ============================== end of process non-clausal formulas ===
% 0.42/0.97  
% 0.42/0.97  ============================== PROCESS INITIAL CLAUSES ===============
% 0.42/0.97  
% 0.42/0.97  ============================== PREDICATE ELIMINATION =================
% 0.42/0.97  
% 0.42/0.97  ============================== end predicate elimination =============
% 0.42/0.97  
% 0.42/0.97  Auto_denials:
% 0.42/0.97    % copying label rc2_xboole_0 to answer in negative clause
% 0.42/0.97    % copying label t3_xboole_1 to answer in negative clause
% 0.42/0.97    % copying label t7_boole to answer in negative clause
% 0.42/0.97    % copying label antisymmetry_r2_hidden to answer in negative clause
% 0.42/0.97    % assign(max_proofs, 4).  % (Horn set with more than one neg. clause)
% 0.42/0.97  
% 0.42/0.97  Term ordering decisions:
% 0.42/0.97  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1.
% 0.42/0.97  
% 0.42/0.97  ============================== end of process initial clauses ========
% 0.42/0.97  
% 0.42/0.97  ============================== CLAUSES FOR SEARCH ====================
% 0.42/0.97  
% 0.42/0.97  ============================== end of clauses for search =============
% 0.42/0.97  
% 0.42/0.97  ============================== SEARCH ================================
% 0.42/0.97  
% 0.42/0.97  % Starting search at 0.01 seconds.
% 0.42/0.97  
% 0.42/0.97  ============================== PROOF =================================
% 0.42/0.97  % SZS status Theorem
% 0.42/0.97  % SZS output start Refutation
% 0.42/0.97  
% 0.42/0.97  % Proof 1 at 0.01 (+ 0.00) seconds: t3_xboole_1.
% 0.42/0.97  % Length of proof is 9.
% 0.42/0.97  % Level of proof is 3.
% 0.42/0.97  % Maximum clause weight is 9.000.
% 0.42/0.97  % Given clauses 14.
% 0.42/0.97  
% 0.42/0.97  2 (all A all B (A = B <-> subset(A,B) & subset(B,A))) # label(d10_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  7 (all A subset(empty_set,A)) # label(t2_xboole_1) # label(axiom) # label(non_clause).  [assumption].
% 0.42/0.97  11 -(all A (subset(A,empty_set) -> A = empty_set)) # label(t3_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.42/0.97  15 subset(empty_set,A) # label(t2_xboole_1) # label(axiom).  [clausify(7)].
% 0.42/0.97  16 subset(c3,empty_set) # label(t3_xboole_1) # label(negated_conjecture).  [clausify(11)].
% 0.42/0.97  18 empty_set != c3 # label(t3_xboole_1) # label(negated_conjecture) # answer(t3_xboole_1).  [clausify(11)].
% 0.42/0.97  19 c3 != empty_set # answer(t3_xboole_1).  [copy(18),flip(a)].
% 0.42/0.97  26 A = B | -subset(B,A) | -subset(A,B) # label(d10_xboole_0) # label(axiom).  [clausify(2)].
% 0.42/0.97  31 $F # answer(t3_xboole_1).  [hyper(26,b,16,a,c,15,a),flip(a),unit_del(a,19)].
% 0.42/0.97  
% 0.42/0.97  % SZS output end Refutation
% 0.42/0.97  ============================== end of proof ==========================
% 0.42/0.97  % Redundant proof: 32 $F # answer(t3_xboole_1).  [hyper(26,b,15,a,c,16,a),unit_del(a,19)].
% 0.42/0.97  % Redundant proof: 33 $F # answer(t3_xboole_1).  [ur(26,a,19,a,c,16,a),unit_del(a,15)].
% 0.42/0.97  % Redundant proof: 34 $F # answer(t3_xboole_1).  [ur(26,a,19,a(flip),c,15,a),unit_del(a,16)].
% 0.42/0.97  % Redundant proof: 35 $F # answer(t3_xboole_1).  [ur(26,a,19,a,b,15,a),unit_del(a,16)].
% 0.42/0.97  % Redundant proof: 36 $F # answer(t3_xboole_1).  [ur(26,a,19,a(flip),b,16,a),unit_del(a,15)].
% 0.42/0.97  
% 0.42/0.97  % Disable descendants (x means already disabled):
% 0.42/0.97   18x 19 30
% 0.42/0.97  
% 0.42/0.97  ============================== STATISTICS ============================
% 0.42/0.97  
% 0.42/0.97  Given=16. Generated=41. Kept=18. proofs=1.
% 0.42/0.97  Usable=14. Sos=0. Demods=1. Limbo=0, Disabled=18. Hints=0.
% 0.42/0.97  Megabytes=0.04.
% 0.42/0.97  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.42/0.97  
% 0.42/0.97  ============================== end of statistics =====================
% 0.42/0.97  
% 0.42/0.97  ============================== end of search =========================
% 0.42/0.97  
% 0.42/0.97  SEARCH FAILED
% 0.42/0.97  
% 0.42/0.97  Exiting with 1 proof.
% 0.42/0.97  
% 0.42/0.97  Process 10813 exit (sos_empty) Mon Jun 20 05:51:25 2022
% 0.42/0.98  Prover9 interrupted
%------------------------------------------------------------------------------