TSTP Solution File: LCL121-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL121-1 : TPTP v8.1.0. Released v1.0.0.
% 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 13:44:12 EDT 2022

% Result   : Unsatisfiable 2.13s 2.43s
% Output   : Refutation 2.13s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LCL121-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n023.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sat Jul  2 17:18:13 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.13/2.43  ============================== Prover9 ===============================
% 2.13/2.43  Prover9 (32) version 2009-11A, November 2009.
% 2.13/2.43  Process 17321 was started by sandbox on n023.cluster.edu,
% 2.13/2.43  Sat Jul  2 17:18:14 2022
% 2.13/2.43  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_17168_n023.cluster.edu".
% 2.13/2.43  ============================== end of head ===========================
% 2.13/2.43  
% 2.13/2.43  ============================== INPUT =================================
% 2.13/2.43  
% 2.13/2.43  % Reading from file /tmp/Prover9_17168_n023.cluster.edu
% 2.13/2.43  
% 2.13/2.43  set(prolog_style_variables).
% 2.13/2.43  set(auto2).
% 2.13/2.43      % set(auto2) -> set(auto).
% 2.13/2.43      % set(auto) -> set(auto_inference).
% 2.13/2.43      % set(auto) -> set(auto_setup).
% 2.13/2.43      % set(auto_setup) -> set(predicate_elim).
% 2.13/2.43      % set(auto_setup) -> assign(eq_defs, unfold).
% 2.13/2.43      % set(auto) -> set(auto_limits).
% 2.13/2.43      % set(auto_limits) -> assign(max_weight, "100.000").
% 2.13/2.43      % set(auto_limits) -> assign(sos_limit, 20000).
% 2.13/2.43      % set(auto) -> set(auto_denials).
% 2.13/2.43      % set(auto) -> set(auto_process).
% 2.13/2.43      % set(auto2) -> assign(new_constants, 1).
% 2.13/2.43      % set(auto2) -> assign(fold_denial_max, 3).
% 2.13/2.43      % set(auto2) -> assign(max_weight, "200.000").
% 2.13/2.43      % set(auto2) -> assign(max_hours, 1).
% 2.13/2.43      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 2.13/2.43      % set(auto2) -> assign(max_seconds, 0).
% 2.13/2.43      % set(auto2) -> assign(max_minutes, 5).
% 2.13/2.43      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 2.13/2.43      % set(auto2) -> set(sort_initial_sos).
% 2.13/2.43      % set(auto2) -> assign(sos_limit, -1).
% 2.13/2.43      % set(auto2) -> assign(lrs_ticks, 3000).
% 2.13/2.43      % set(auto2) -> assign(max_megs, 400).
% 2.13/2.43      % set(auto2) -> assign(stats, some).
% 2.13/2.43      % set(auto2) -> clear(echo_input).
% 2.13/2.43      % set(auto2) -> set(quiet).
% 2.13/2.43      % set(auto2) -> clear(print_initial_clauses).
% 2.13/2.43      % set(auto2) -> clear(print_given).
% 2.13/2.43  assign(lrs_ticks,-1).
% 2.13/2.43  assign(sos_limit,10000).
% 2.13/2.43  assign(order,kbo).
% 2.13/2.43  set(lex_order_vars).
% 2.13/2.43  clear(print_given).
% 2.13/2.43  
% 2.13/2.43  % formulas(sos).  % not echoed (3 formulas)
% 2.13/2.43  
% 2.13/2.43  ============================== end of input ==========================
% 2.13/2.43  
% 2.13/2.43  % From the command line: assign(max_seconds, 300).
% 2.13/2.43  
% 2.13/2.43  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 2.13/2.43  
% 2.13/2.43  % Formulas that are not ordinary clauses:
% 2.13/2.43  
% 2.13/2.43  ============================== end of process non-clausal formulas ===
% 2.13/2.43  
% 2.13/2.43  ============================== PROCESS INITIAL CLAUSES ===============
% 2.13/2.43  
% 2.13/2.43  ============================== PREDICATE ELIMINATION =================
% 2.13/2.43  
% 2.13/2.43  ============================== end predicate elimination =============
% 2.13/2.43  
% 2.13/2.43  Auto_denials:
% 2.13/2.43    % copying label prove_lg_1 to answer in negative clause
% 2.13/2.43  
% 2.13/2.43  Term ordering decisions:
% 2.13/2.43  Function symbol KB weights:  a=1. b=1. c=1. equivalent=1.
% 2.13/2.43  
% 2.13/2.43  ============================== end of process initial clauses ========
% 2.13/2.43  
% 2.13/2.43  ============================== CLAUSES FOR SEARCH ====================
% 2.13/2.43  
% 2.13/2.43  ============================== end of clauses for search =============
% 2.13/2.43  
% 2.13/2.43  ============================== SEARCH ================================
% 2.13/2.43  
% 2.13/2.43  % Starting search at 0.01 seconds.
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=44.000, iters=3355
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=40.000, iters=3334
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=36.000, iters=3429
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=32.000, iters=3351
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=28.000, iters=3347
% 2.13/2.43  
% 2.13/2.43  Low Water (keep): wt=24.000, iters=3335
% 2.13/2.43  
% 2.13/2.43  ============================== PROOF =================================
% 2.13/2.43  % SZS status Unsatisfiable
% 2.13/2.43  % SZS output start Refutation
% 2.13/2.43  
% 2.13/2.43  % Proof 1 at 1.40 (+ 0.04) seconds: prove_lg_1.
% 2.13/2.43  % Length of proof is 30.
% 2.13/2.43  % Level of proof is 18.
% 2.13/2.43  % Maximum clause weight is 28.000.
% 2.13/2.43  % Given clauses 340.
% 2.13/2.43  
% 2.13/2.43  1 is_a_theorem(equivalent(A,equivalent(A,equivalent(equivalent(B,C),equivalent(equivalent(B,D),equivalent(C,D)))))) # label(lg_2) # label(axiom).  [assumption].
% 2.13/2.43  2 -is_a_theorem(equivalent(a,equivalent(a,equivalent(equivalent(b,equivalent(c,c)),b)))) # label(prove_lg_1) # label(negated_conjecture) # answer(prove_lg_1).  [assumption].
% 2.13/2.43  3 -is_a_theorem(equivalent(A,B)) | -is_a_theorem(A) | is_a_theorem(B) # label(condensed_detachment) # label(axiom).  [assumption].
% 2.13/2.43  4 is_a_theorem(equivalent(equivalent(A,equivalent(A,equivalent(equivalent(B,C),equivalent(equivalent(B,D),equivalent(C,D))))),equivalent(equivalent(E,F),equivalent(equivalent(E,V6),equivalent(F,V6))))).  [hyper(3,a,1,a,b,1,a)].
% 2.13/2.43  6 is_a_theorem(equivalent(equivalent(A,B),equivalent(equivalent(A,C),equivalent(B,C)))).  [hyper(3,a,4,a,b,1,a)].
% 2.13/2.43  7 is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(equivalent(A,D),equivalent(B,D)),C))).  [hyper(3,a,6,a,b,6,a)].
% 2.13/2.43  14 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(C,B)),equivalent(equivalent(A,D),equivalent(C,D)))).  [hyper(3,a,7,a,b,6,a)].
% 2.13/2.43  17 is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(A,B),C))).  [hyper(3,a,14,a,b,14,a)].
% 2.13/2.43  18 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,B),C)),equivalent(equivalent(A,E),equivalent(D,E)))).  [hyper(3,a,7,a,b,14,a)].
% 2.13/2.43  21 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(equivalent(B,C),equivalent(D,C))),E),equivalent(equivalent(A,equivalent(B,D)),E))).  [hyper(3,a,14,a,b,4,a)].
% 2.13/2.43  22 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),C),equivalent(D,C)),equivalent(equivalent(A,B),D))).  [hyper(3,a,7,a,b,17,a)].
% 2.13/2.43  30 is_a_theorem(equivalent(equivalent(A,B),equivalent(A,B))).  [hyper(3,a,22,a,b,17,a)].
% 2.13/2.43  31 is_a_theorem(equivalent(equivalent(A,equivalent(equivalent(B,C),equivalent(D,C))),equivalent(A,equivalent(B,D)))).  [hyper(3,a,22,a,b,4,a)].
% 2.13/2.43  32 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(C,B)),equivalent(A,C))).  [hyper(3,a,7,a,b,30,a)].
% 2.13/2.43  35 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),equivalent(C,B)),D),equivalent(equivalent(A,C),D))).  [hyper(3,a,6,a,b,32,a)].
% 2.13/2.43  37 is_a_theorem(equivalent(A,A)).  [hyper(3,a,32,a,b,30,a)].
% 2.13/2.43  41 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(equivalent(C,D),equivalent(B,D))),equivalent(A,C))).  [hyper(3,a,31,a,b,31,a)].
% 2.13/2.43  44 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(C,equivalent(B,D))),equivalent(equivalent(A,D),C))).  [hyper(3,a,31,a,b,7,a)].
% 2.13/2.43  48 is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(A,D),equivalent(C,equivalent(D,B))))).  [hyper(3,a,35,a,b,35,a)].
% 2.13/2.43  49 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),equivalent(C,B)),equivalent(D,C)),equivalent(A,D))).  [hyper(3,a,31,a,b,35,a)].
% 2.13/2.43  102 is_a_theorem(equivalent(A,equivalent(A,equivalent(B,B)))).  [hyper(3,a,49,a,b,31,a)].
% 2.13/2.43  127 is_a_theorem(equivalent(equivalent(A,B),equivalent(equivalent(A,equivalent(C,C)),B))).  [hyper(3,a,14,a,b,102,a)].
% 2.13/2.43  216 is_a_theorem(equivalent(equivalent(A,equivalent(B,B)),A)).  [hyper(3,a,127,a,b,37,a)].
% 2.13/2.43  235 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(equivalent(B,B),C)),C),A)).  [hyper(3,a,44,a,b,216,a)].
% 2.13/2.43  236 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(equivalent(C,C),B)),A)).  [hyper(3,a,41,a,b,216,a)].
% 2.13/2.43  474 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(equivalent(B,B),C)),D),equivalent(A,equivalent(D,C)))).  [hyper(3,a,48,a,b,235,a)].
% 2.13/2.43  1376 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(B,C)),equivalent(C,B)),A)).  [hyper(3,a,21,a,b,236,a)].
% 2.13/2.43  1429 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,equivalent(B,C)),equivalent(C,B)),D),equivalent(A,D))).  [hyper(3,a,18,a,b,1376,a)].
% 2.13/2.43  9181 is_a_theorem(equivalent(A,equivalent(A,equivalent(equivalent(B,equivalent(C,C)),B)))).  [hyper(3,a,1429,a,b,474,a)].
% 2.13/2.43  9182 $F # answer(prove_lg_1).  [resolve(9181,a,2,a)].
% 2.13/2.43  
% 2.13/2.43  % SZS output end Refutation
% 2.13/2.43  ============================== end of proof ==========================
% 2.13/2.43  
% 2.13/2.43  ============================== STATISTICS ============================
% 2.13/2.43  
% 2.13/2.43  Given=340. Generated=70350. Kept=9181. proofs=1.
% 2.13/2.43  Usable=337. Sos=8824. Demods=0. Limbo=8, Disabled=14. Hints=0.
% 2.13/2.43  Megabytes=8.58.
% 2.13/2.43  User_CPU=1.40, System_CPU=0.04, Wall_clock=1.
% 2.13/2.43  
% 2.13/2.43  ============================== end of statistics =====================
% 2.13/2.43  
% 2.13/2.43  ============================== end of search =========================
% 2.13/2.43  
% 2.13/2.43  THEOREM PROVED
% 2.13/2.43  % SZS status Unsatisfiable
% 2.13/2.43  
% 2.13/2.43  Exiting with 1 proof.
% 2.13/2.43  
% 2.13/2.43  Process 17321 exit (max_proofs) Sat Jul  2 17:18:15 2022
% 2.13/2.43  Prover9 interrupted
%------------------------------------------------------------------------------