TSTP Solution File: SYN077-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SYN077-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n021.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 : Thu Jul 21 11:16:10 EDT 2022

% Result   : Unsatisfiable 0.70s 0.99s
% Output   : Refutation 0.70s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYN077-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n021.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 Jul 11 22:40:08 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.70/0.99  ============================== Prover9 ===============================
% 0.70/0.99  Prover9 (32) version 2009-11A, November 2009.
% 0.70/0.99  Process 3646 was started by sandbox2 on n021.cluster.edu,
% 0.70/0.99  Mon Jul 11 22:40:09 2022
% 0.70/0.99  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_3492_n021.cluster.edu".
% 0.70/0.99  ============================== end of head ===========================
% 0.70/0.99  
% 0.70/0.99  ============================== INPUT =================================
% 0.70/0.99  
% 0.70/0.99  % Reading from file /tmp/Prover9_3492_n021.cluster.edu
% 0.70/0.99  
% 0.70/0.99  set(prolog_style_variables).
% 0.70/0.99  set(auto2).
% 0.70/0.99      % set(auto2) -> set(auto).
% 0.70/0.99      % set(auto) -> set(auto_inference).
% 0.70/0.99      % set(auto) -> set(auto_setup).
% 0.70/0.99      % set(auto_setup) -> set(predicate_elim).
% 0.70/0.99      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.70/0.99      % set(auto) -> set(auto_limits).
% 0.70/0.99      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.70/0.99      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.70/0.99      % set(auto) -> set(auto_denials).
% 0.70/0.99      % set(auto) -> set(auto_process).
% 0.70/0.99      % set(auto2) -> assign(new_constants, 1).
% 0.70/0.99      % set(auto2) -> assign(fold_denial_max, 3).
% 0.70/0.99      % set(auto2) -> assign(max_weight, "200.000").
% 0.70/0.99      % set(auto2) -> assign(max_hours, 1).
% 0.70/0.99      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.70/0.99      % set(auto2) -> assign(max_seconds, 0).
% 0.70/0.99      % set(auto2) -> assign(max_minutes, 5).
% 0.70/0.99      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.70/0.99      % set(auto2) -> set(sort_initial_sos).
% 0.70/0.99      % set(auto2) -> assign(sos_limit, -1).
% 0.70/0.99      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.70/0.99      % set(auto2) -> assign(max_megs, 400).
% 0.70/0.99      % set(auto2) -> assign(stats, some).
% 0.70/0.99      % set(auto2) -> clear(echo_input).
% 0.70/0.99      % set(auto2) -> set(quiet).
% 0.70/0.99      % set(auto2) -> clear(print_initial_clauses).
% 0.70/0.99      % set(auto2) -> clear(print_given).
% 0.70/0.99  assign(lrs_ticks,-1).
% 0.70/0.99  assign(sos_limit,10000).
% 0.70/0.99  assign(order,kbo).
% 0.70/0.99  set(lex_order_vars).
% 0.70/0.99  clear(print_given).
% 0.70/0.99  
% 0.70/0.99  % formulas(sos).  % not echoed (7 formulas)
% 0.70/0.99  
% 0.70/0.99  ============================== end of input ==========================
% 0.70/0.99  
% 0.70/0.99  % From the command line: assign(max_seconds, 300).
% 0.70/0.99  
% 0.70/0.99  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.70/0.99  
% 0.70/0.99  % Formulas that are not ordinary clauses:
% 0.70/0.99  
% 0.70/0.99  ============================== end of process non-clausal formulas ===
% 0.70/0.99  
% 0.70/0.99  ============================== PROCESS INITIAL CLAUSES ===============
% 0.70/0.99  
% 0.70/0.99  ============================== PREDICATE ELIMINATION =================
% 0.70/0.99  
% 0.70/0.99  ============================== end predicate elimination =============
% 0.70/0.99  
% 0.70/0.99  Auto_denials:  (non-Horn, no changes).
% 0.70/0.99  
% 0.70/0.99  Term ordering decisions:
% 0.70/0.99  Function symbol KB weights:  a=1. i=1. g=1. h=1. f=1.
% 0.70/0.99  
% 0.70/0.99  ============================== end of process initial clauses ========
% 0.70/0.99  
% 0.70/0.99  ============================== CLAUSES FOR SEARCH ====================
% 0.70/0.99  
% 0.70/0.99  ============================== end of clauses for search =============
% 0.70/0.99  
% 0.70/0.99  ============================== SEARCH ================================
% 0.70/0.99  
% 0.70/0.99  % Starting search at 0.01 seconds.
% 0.70/0.99  
% 0.70/0.99  ============================== PROOF =================================
% 0.70/0.99  % SZS status Unsatisfiable
% 0.70/0.99  % SZS output start Refutation
% 0.70/0.99  
% 0.70/0.99  % Proof 1 at 0.04 (+ 0.00) seconds.
% 0.70/0.99  % Length of proof is 22.
% 0.70/0.99  % Level of proof is 11.
% 0.70/0.99  % Maximum clause weight is 25.000.
% 0.70/0.99  % Given clauses 120.
% 0.70/0.99  
% 0.70/0.99  1 big_f(A,h(A)) | big_f(A,a) # label(clause_5) # label(negated_conjecture).  [assumption].
% 0.70/0.99  2 -big_f(A,a) | -big_f(A,B) | -big_f(C,g(A,B)) | -big_f(C,B) # label(clause_4) # label(negated_conjecture).  [assumption].
% 0.70/0.99  3 -big_f(A,f(B)) | A = B # label(clause_1) # label(axiom).  [assumption].
% 0.70/0.99  4 A != B | big_f(A,f(B)) # label(clause_2) # label(axiom).  [assumption].
% 0.70/0.99  5 -big_f(A,a) | -big_f(A,B) | big_f(g(A,B),B) # label(clause_3) # label(negated_conjecture).  [assumption].
% 0.70/0.99  6 -big_f(A,h(B)) | big_f(i(B,A),A) | big_f(B,a) # label(clause_6) # label(negated_conjecture).  [assumption].
% 0.70/0.99  7 big_f(A,a) | big_f(i(A,B),h(A)) | -big_f(B,h(A)) # label(clause_7) # label(negated_conjecture).  [assumption].
% 0.70/0.99  12 big_f(A,f(A)).  [xx_res(4,a)].
% 0.70/0.99  13 big_f(i(A,A),A) | big_f(A,a).  [resolve(6,a,1,a),merge(c)].
% 0.70/0.99  14 big_f(A,a) | big_f(i(A,A),h(A)).  [resolve(7,c,1,a),merge(c)].
% 0.70/0.99  15 -big_f(A,a) | big_f(g(A,f(A)),f(A)).  [resolve(12,a,5,b)].
% 0.70/0.99  20 big_f(a,a) | -big_f(i(a,a),A) | big_f(g(i(a,a),A),A).  [resolve(13,a,5,a)].
% 0.70/0.99  53 big_f(a,a) | big_f(g(i(a,a),h(a)),h(a)).  [resolve(20,b,14,b),merge(c)].
% 0.70/0.99  54 big_f(a,a) | big_f(i(a,g(i(a,a),h(a))),h(a)).  [resolve(53,b,7,c),merge(b)].
% 0.70/0.99  55 big_f(a,a) | big_f(i(a,g(i(a,a),h(a))),g(i(a,a),h(a))).  [resolve(53,b,6,a),merge(c)].
% 0.70/0.99  98 big_f(a,a) | -big_f(i(a,a),a) | -big_f(i(a,a),h(a)) | -big_f(i(a,g(i(a,a),h(a))),h(a)).  [resolve(55,b,2,c)].
% 0.70/0.99  221 big_f(a,a) | -big_f(i(a,a),a) | -big_f(i(a,a),h(a)).  [resolve(98,d,54,b),merge(d)].
% 0.70/0.99  222 big_f(a,a) | -big_f(i(a,a),a).  [resolve(221,c,14,b),merge(c)].
% 0.70/0.99  223 big_f(a,a).  [resolve(222,b,13,a),merge(b)].
% 0.70/0.99  224 big_f(g(a,f(a)),f(a)).  [resolve(223,a,15,a)].
% 0.70/0.99  241 g(a,f(a)) = a.  [resolve(224,a,3,a)].
% 0.70/0.99  242 $F.  [ur(2,a,223,a,b,12,a,d,224,a),rewrite([241(4),241(5)]),unit_del(a,223)].
% 0.70/0.99  
% 0.70/0.99  % SZS output end Refutation
% 0.70/0.99  ============================== end of proof ==========================
% 0.70/0.99  
% 0.70/0.99  ============================== STATISTICS ============================
% 0.70/0.99  
% 0.70/0.99  Given=120. Generated=375. Kept=241. proofs=1.
% 0.70/0.99  Usable=80. Sos=79. Demods=1. Limbo=2, Disabled=87. Hints=0.
% 0.70/0.99  Megabytes=0.41.
% 0.70/0.99  User_CPU=0.04, System_CPU=0.00, Wall_clock=0.
% 0.70/0.99  
% 0.70/0.99  ============================== end of statistics =====================
% 0.70/0.99  
% 0.70/0.99  ============================== end of search =========================
% 0.70/0.99  
% 0.70/0.99  THEOREM PROVED
% 0.70/0.99  % SZS status Unsatisfiable
% 0.70/0.99  
% 0.70/0.99  Exiting with 1 proof.
% 0.70/0.99  
% 0.70/0.99  Process 3646 exit (max_proofs) Mon Jul 11 22:40:09 2022
% 0.70/0.99  Prover9 interrupted
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