TSTP Solution File: LDA007-2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LDA007-2 : TPTP v8.1.0. Bugfixed v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n023.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 : Sun Jul 17 16:45:35 EDT 2022

% Result   : Unsatisfiable 0.79s 1.07s
% Output   : Refutation 0.79s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LDA007-2 : TPTP v8.1.0. Bugfixed v2.6.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n023.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 : Mon May 30 04:47:27 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.79/1.07  ============================== Prover9 ===============================
% 0.79/1.07  Prover9 (32) version 2009-11A, November 2009.
% 0.79/1.07  Process 25866 was started by sandbox on n023.cluster.edu,
% 0.79/1.07  Mon May 30 04:47:28 2022
% 0.79/1.07  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_25626_n023.cluster.edu".
% 0.79/1.07  ============================== end of head ===========================
% 0.79/1.07  
% 0.79/1.07  ============================== INPUT =================================
% 0.79/1.07  
% 0.79/1.07  % Reading from file /tmp/Prover9_25626_n023.cluster.edu
% 0.79/1.07  
% 0.79/1.07  set(prolog_style_variables).
% 0.79/1.07  set(auto2).
% 0.79/1.07      % set(auto2) -> set(auto).
% 0.79/1.07      % set(auto) -> set(auto_inference).
% 0.79/1.07      % set(auto) -> set(auto_setup).
% 0.79/1.07      % set(auto_setup) -> set(predicate_elim).
% 0.79/1.07      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.79/1.07      % set(auto) -> set(auto_limits).
% 0.79/1.07      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.79/1.07      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.79/1.07      % set(auto) -> set(auto_denials).
% 0.79/1.07      % set(auto) -> set(auto_process).
% 0.79/1.07      % set(auto2) -> assign(new_constants, 1).
% 0.79/1.07      % set(auto2) -> assign(fold_denial_max, 3).
% 0.79/1.07      % set(auto2) -> assign(max_weight, "200.000").
% 0.79/1.07      % set(auto2) -> assign(max_hours, 1).
% 0.79/1.07      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.79/1.07      % set(auto2) -> assign(max_seconds, 0).
% 0.79/1.07      % set(auto2) -> assign(max_minutes, 5).
% 0.79/1.07      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.79/1.07      % set(auto2) -> set(sort_initial_sos).
% 0.79/1.07      % set(auto2) -> assign(sos_limit, -1).
% 0.79/1.07      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.79/1.07      % set(auto2) -> assign(max_megs, 400).
% 0.79/1.07      % set(auto2) -> assign(stats, some).
% 0.79/1.07      % set(auto2) -> clear(echo_input).
% 0.79/1.07      % set(auto2) -> set(quiet).
% 0.79/1.07      % set(auto2) -> clear(print_initial_clauses).
% 0.79/1.07      % set(auto2) -> clear(print_given).
% 0.79/1.07  assign(lrs_ticks,-1).
% 0.79/1.07  assign(sos_limit,10000).
% 0.79/1.07  assign(order,kbo).
% 0.79/1.07  set(lex_order_vars).
% 0.79/1.07  clear(print_given).
% 0.79/1.07  
% 0.79/1.07  % formulas(sos).  % not echoed (20 formulas)
% 0.79/1.07  
% 0.79/1.07  ============================== end of input ==========================
% 0.79/1.07  
% 0.79/1.07  % From the command line: assign(max_seconds, 300).
% 0.79/1.07  
% 0.79/1.07  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.79/1.07  
% 0.79/1.07  % Formulas that are not ordinary clauses:
% 0.79/1.07  
% 0.79/1.07  ============================== end of process non-clausal formulas ===
% 0.79/1.07  
% 0.79/1.07  ============================== PROCESS INITIAL CLAUSES ===============
% 0.79/1.07  
% 0.79/1.07  ============================== PREDICATE ELIMINATION =================
% 0.79/1.07  
% 0.79/1.07  ============================== end predicate elimination =============
% 0.79/1.07  
% 0.79/1.07  Auto_denials:  (non-Horn, no changes).
% 0.79/1.07  
% 0.79/1.07  Term ordering decisions:
% 0.79/1.07  
% 0.79/1.07  % Assigning unary symbol critical_point kb_weight 0 and highest precedence (17).
% 0.79/1.07  Function symbol KB weights:  k=1. t=1. s=1. ts=1. tt=1. st=1. sk=1. stk=1. tk=1. tsk=1. tt_ts=1. ttk=1. f=1. a=1. critical_point=0.
% 0.79/1.07  
% 0.79/1.07  ============================== end of process initial clauses ========
% 0.79/1.07  
% 0.79/1.07  ============================== CLAUSES FOR SEARCH ====================
% 0.79/1.07  
% 0.79/1.07  ============================== end of clauses for search =============
% 0.79/1.07  
% 0.79/1.07  ============================== SEARCH ================================
% 0.79/1.07  
% 0.79/1.07  % Starting search at 0.01 seconds.
% 0.79/1.07  
% 0.79/1.07  ============================== PROOF =================================
% 0.79/1.07  % SZS status Unsatisfiable
% 0.79/1.07  % SZS output start Refutation
% 0.79/1.07  
% 0.79/1.07  % Proof 1 at 0.02 (+ 0.00) seconds.
% 0.79/1.07  % Length of proof is 20.
% 0.79/1.07  % Level of proof is 4.
% 0.79/1.07  % Maximum clause weight is 13.000.
% 0.79/1.07  % Given clauses 92.
% 0.79/1.07  
% 0.79/1.07  3 tt = f(t,t) # label(clause_1) # label(axiom).  [assumption].
% 0.79/1.07  4 f(t,t) = tt.  [copy(3),flip(a)].
% 0.79/1.07  7 ts = f(t,s) # label(clause_3) # label(axiom).  [assumption].
% 0.79/1.07  8 f(t,s) = ts.  [copy(7),flip(a)].
% 0.79/1.07  9 tt_ts = f(tt,ts) # label(clause_4) # label(axiom).  [assumption].
% 0.79/1.07  10 f(tt,ts) = tt_ts.  [copy(9),flip(a)].
% 0.79/1.07  13 tk = f(t,k) # label(clause_7) # label(axiom).  [assumption].
% 0.79/1.07  14 f(t,k) = tk.  [copy(13),flip(a)].
% 0.79/1.07  17 tsk = f(ts,k) # label(clause_9) # label(axiom).  [assumption].
% 0.79/1.07  18 f(ts,k) = tsk.  [copy(17),flip(a)].
% 0.79/1.07  25 f(A,f(B,C)) = f(f(A,B),f(A,C)) # label(a1) # label(axiom).  [assumption].
% 0.79/1.07  26 f(f(A,B),f(A,C)) = f(A,f(B,C)).  [copy(25),flip(a)].
% 0.79/1.07  30 f(t,tsk) != f(tt_ts,tk) # label(prove_equation) # label(negated_conjecture).  [assumption].
% 0.79/1.07  31 f(tt_ts,tk) != f(t,tsk).  [copy(30),flip(a)].
% 0.79/1.07  35 f(tt_ts,tk) = c_0.  [new_symbol(31)].
% 0.79/1.07  36 f(t,tsk) != c_0.  [back_rewrite(31),rewrite([35(3)]),flip(a)].
% 0.79/1.07  46 f(tt,f(t,A)) = f(t,f(t,A)).  [para(4(a,1),26(a,1,1))].
% 0.79/1.07  57 f(f(t,A),tk) = f(t,f(A,k)).  [para(14(a,1),26(a,1,2))].
% 0.79/1.07  136 f(t,ts) = tt_ts.  [para(8(a,1),46(a,1,2)),rewrite([10(3),8(5)]),flip(a)].
% 0.79/1.07  333 $F.  [para(18(a,1),57(a,2,2)),rewrite([136(3),35(3)]),flip(a),unit_del(a,36)].
% 0.79/1.07  
% 0.79/1.07  % SZS output end Refutation
% 0.79/1.07  ============================== end of proof ==========================
% 0.79/1.07  
% 0.79/1.07  ============================== STATISTICS ============================
% 0.79/1.07  
% 0.79/1.07  Given=92. Generated=652. Kept=318. proofs=1.
% 0.79/1.07  Usable=91. Sos=224. Demods=221. Limbo=0, Disabled=23. Hints=0.
% 0.79/1.07  Megabytes=0.35.
% 0.79/1.07  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.79/1.07  
% 0.79/1.07  ============================== end of statistics =====================
% 0.79/1.07  
% 0.79/1.07  ============================== end of search =========================
% 0.79/1.07  
% 0.79/1.07  THEOREM PROVED
% 0.79/1.07  % SZS status Unsatisfiable
% 0.79/1.07  
% 0.79/1.07  Exiting with 1 proof.
% 0.79/1.07  
% 0.79/1.07  Process 25866 exit (max_proofs) Mon May 30 04:47:28 2022
% 0.79/1.07  Prover9 interrupted
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