TSTP Solution File: LCL014-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL014-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : Sun Jul 17 13:43:24 EDT 2022

% Result   : Unsatisfiable 2.45s 2.78s
% Output   : Refutation 2.45s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LCL014-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.33  % Computer : n027.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul  3 05:51:54 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 2.45/2.78  ============================== Prover9 ===============================
% 2.45/2.78  Prover9 (32) version 2009-11A, November 2009.
% 2.45/2.78  Process 29513 was started by sandbox on n027.cluster.edu,
% 2.45/2.78  Sun Jul  3 05:51:55 2022
% 2.45/2.78  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_29359_n027.cluster.edu".
% 2.45/2.78  ============================== end of head ===========================
% 2.45/2.78  
% 2.45/2.78  ============================== INPUT =================================
% 2.45/2.78  
% 2.45/2.78  % Reading from file /tmp/Prover9_29359_n027.cluster.edu
% 2.45/2.78  
% 2.45/2.78  set(prolog_style_variables).
% 2.45/2.78  set(auto2).
% 2.45/2.78      % set(auto2) -> set(auto).
% 2.45/2.78      % set(auto) -> set(auto_inference).
% 2.45/2.78      % set(auto) -> set(auto_setup).
% 2.45/2.78      % set(auto_setup) -> set(predicate_elim).
% 2.45/2.78      % set(auto_setup) -> assign(eq_defs, unfold).
% 2.45/2.78      % set(auto) -> set(auto_limits).
% 2.45/2.78      % set(auto_limits) -> assign(max_weight, "100.000").
% 2.45/2.78      % set(auto_limits) -> assign(sos_limit, 20000).
% 2.45/2.78      % set(auto) -> set(auto_denials).
% 2.45/2.78      % set(auto) -> set(auto_process).
% 2.45/2.78      % set(auto2) -> assign(new_constants, 1).
% 2.45/2.78      % set(auto2) -> assign(fold_denial_max, 3).
% 2.45/2.78      % set(auto2) -> assign(max_weight, "200.000").
% 2.45/2.78      % set(auto2) -> assign(max_hours, 1).
% 2.45/2.78      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 2.45/2.78      % set(auto2) -> assign(max_seconds, 0).
% 2.45/2.78      % set(auto2) -> assign(max_minutes, 5).
% 2.45/2.78      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 2.45/2.78      % set(auto2) -> set(sort_initial_sos).
% 2.45/2.78      % set(auto2) -> assign(sos_limit, -1).
% 2.45/2.78      % set(auto2) -> assign(lrs_ticks, 3000).
% 2.45/2.78      % set(auto2) -> assign(max_megs, 400).
% 2.45/2.78      % set(auto2) -> assign(stats, some).
% 2.45/2.78      % set(auto2) -> clear(echo_input).
% 2.45/2.78      % set(auto2) -> set(quiet).
% 2.45/2.78      % set(auto2) -> clear(print_initial_clauses).
% 2.45/2.78      % set(auto2) -> clear(print_given).
% 2.45/2.78  assign(lrs_ticks,-1).
% 2.45/2.78  assign(sos_limit,10000).
% 2.45/2.78  assign(order,kbo).
% 2.45/2.78  set(lex_order_vars).
% 2.45/2.78  clear(print_given).
% 2.45/2.78  
% 2.45/2.78  % formulas(sos).  % not echoed (3 formulas)
% 2.45/2.78  
% 2.45/2.78  ============================== end of input ==========================
% 2.45/2.78  
% 2.45/2.78  % From the command line: assign(max_seconds, 300).
% 2.45/2.78  
% 2.45/2.78  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 2.45/2.78  
% 2.45/2.78  % Formulas that are not ordinary clauses:
% 2.45/2.78  
% 2.45/2.78  ============================== end of process non-clausal formulas ===
% 2.45/2.78  
% 2.45/2.78  ============================== PROCESS INITIAL CLAUSES ===============
% 2.45/2.78  
% 2.45/2.78  ============================== PREDICATE ELIMINATION =================
% 2.45/2.78  
% 2.45/2.78  ============================== end predicate elimination =============
% 2.45/2.78  
% 2.45/2.78  Auto_denials:
% 2.45/2.78    % copying label prove_xgf to answer in negative clause
% 2.45/2.78  
% 2.45/2.78  Term ordering decisions:
% 2.45/2.78  Function symbol KB weights:  a=1. b=1. c=1. equivalent=1.
% 2.45/2.78  
% 2.45/2.78  ============================== end of process initial clauses ========
% 2.45/2.78  
% 2.45/2.78  ============================== CLAUSES FOR SEARCH ====================
% 2.45/2.78  
% 2.45/2.78  ============================== end of clauses for search =============
% 2.45/2.78  
% 2.45/2.78  ============================== SEARCH ================================
% 2.45/2.78  
% 2.45/2.78  % Starting search at 0.01 seconds.
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=40.000, iters=3350
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=36.000, iters=3358
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=32.000, iters=3388
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=28.000, iters=3333
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=24.000, iters=3335
% 2.45/2.78  
% 2.45/2.78  Low Water (keep): wt=20.000, iters=3358
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=1844, wt=56.000
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=4593, wt=52.000
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=5028, wt=48.000
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=5027, wt=44.000
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=5541, wt=40.000
% 2.45/2.78  
% 2.45/2.78  Low Water (displace): id=10480, wt=16.000
% 2.45/2.78  
% 2.45/2.78  ============================== PROOF =================================
% 2.45/2.78  % SZS status Unsatisfiable
% 2.45/2.78  % SZS output start Refutation
% 2.45/2.78  
% 2.45/2.78  % Proof 1 at 1.74 (+ 0.06) seconds: prove_xgf.
% 2.45/2.78  % Length of proof is 27.
% 2.45/2.78  % Level of proof is 15.
% 2.45/2.78  % Maximum clause weight is 20.000.
% 2.45/2.78  % Given clauses 410.
% 2.45/2.78  
% 2.45/2.78  1 is_a_theorem(equivalent(equivalent(A,equivalent(B,C)),equivalent(C,equivalent(A,B)))) # label(wn) # label(axiom).  [assumption].
% 2.45/2.78  2 -is_a_theorem(equivalent(a,equivalent(equivalent(b,equivalent(a,c)),equivalent(c,b)))) # label(prove_xgf) # label(negated_conjecture) # answer(prove_xgf).  [assumption].
% 2.45/2.78  3 -is_a_theorem(equivalent(A,B)) | -is_a_theorem(A) | is_a_theorem(B) # label(condensed_detachment) # label(axiom).  [assumption].
% 2.45/2.78  4 is_a_theorem(equivalent(equivalent(A,B),equivalent(equivalent(A,equivalent(B,C)),C))).  [hyper(3,a,1,a,b,1,a)].
% 2.45/2.78  5 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(equivalent(equivalent(A,equivalent(B,C)),C),D)),D)).  [hyper(3,a,4,a,b,4,a)].
% 2.45/2.78  6 is_a_theorem(equivalent(A,equivalent(equivalent(B,C),equivalent(B,equivalent(C,A))))).  [hyper(3,a,1,a,b,4,a)].
% 2.45/2.78  7 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(B,C)),equivalent(equivalent(C,equivalent(A,B)),D)),D)).  [hyper(3,a,4,a,b,1,a)].
% 2.45/2.78  9 is_a_theorem(equivalent(equivalent(A,equivalent(equivalent(equivalent(B,C),equivalent(B,equivalent(C,A))),D)),D)).  [hyper(3,a,4,a,b,6,a)].
% 2.45/2.78  13 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,B),equivalent(equivalent(equivalent(A,equivalent(B,C)),C),D)),equivalent(D,E)),E)).  [hyper(3,a,4,a,b,5,a)].
% 2.45/2.78  16 is_a_theorem(equivalent(equivalent(equivalent(equivalent(A,equivalent(B,C)),equivalent(equivalent(C,equivalent(A,B)),D)),equivalent(D,E)),E)).  [hyper(3,a,4,a,b,7,a)].
% 2.45/2.78  21 is_a_theorem(equivalent(A,equivalent(equivalent(B,A),B))).  [hyper(3,a,9,a,b,4,a)].
% 2.45/2.78  32 is_a_theorem(equivalent(equivalent(A,equivalent(B,equivalent(equivalent(C,B),C))),A)).  [hyper(3,a,21,a,b,21,a)].
% 2.45/2.78  35 is_a_theorem(equivalent(A,equivalent(B,equivalent(A,B)))).  [hyper(3,a,5,a,b,21,a)].
% 2.45/2.78  70 is_a_theorem(equivalent(A,A)).  [hyper(3,a,32,a,b,35,a)].
% 2.45/2.78  96 is_a_theorem(equivalent(equivalent(A,equivalent(A,B)),B)).  [hyper(3,a,4,a,b,70,a)].
% 2.45/2.78  132 is_a_theorem(equivalent(equivalent(A,equivalent(equivalent(B,equivalent(B,C)),C)),A)).  [hyper(3,a,21,a,b,96,a)].
% 2.45/2.78  379 is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(B,C)),C),equivalent(A,B))).  [hyper(3,a,13,a,b,70,a)].
% 2.45/2.78  820 is_a_theorem(equivalent(equivalent(A,equivalent(B,C)),equivalent(B,equivalent(C,A)))).  [hyper(3,a,16,a,b,70,a)].
% 2.45/2.78  2682 is_a_theorem(equivalent(A,equivalent(B,equivalent(B,A)))).  [hyper(3,a,379,a,b,132,a)].
% 2.45/2.78  2724 is_a_theorem(equivalent(equivalent(A,B),equivalent(B,A))).  [hyper(3,a,1,a,b,2682,a)].
% 2.45/2.78  2991 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(equivalent(B,A),C)),C)).  [hyper(3,a,4,a,b,2724,a)].
% 2.45/2.78  4074 is_a_theorem(equivalent(A,equivalent(equivalent(B,C),equivalent(C,equivalent(A,B))))).  [hyper(3,a,820,a,b,820,a)].
% 2.45/2.78  8549 is_a_theorem(equivalent(A,equivalent(equivalent(B,C),equivalent(equivalent(C,B),A)))).  [hyper(3,a,2724,a,b,2991,a)].
% 2.45/2.78  9173 is_a_theorem(equivalent(equivalent(equivalent(A,B),equivalent(B,equivalent(C,A))),C)).  [hyper(3,a,2724,a,b,4074,a)].
% 2.45/2.78  9772 is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(C,equivalent(B,A)))).  [hyper(3,a,1,a,b,8549,a)].
% 2.45/2.78  14102 is_a_theorem(equivalent(A,equivalent(equivalent(B,equivalent(A,C)),equivalent(C,B)))).  [hyper(3,a,9772,a,b,9173,a)].
% 2.45/2.78  14103 $F # answer(prove_xgf).  [resolve(14102,a,2,a)].
% 2.45/2.78  
% 2.45/2.78  % SZS output end Refutation
% 2.45/2.78  ============================== end of proof ==========================
% 2.45/2.78  
% 2.45/2.78  ============================== STATISTICS ============================
% 2.45/2.78  
% 2.45/2.78  Given=410. Generated=107902. Kept=14102. proofs=1.
% 2.45/2.78  Usable=409. Sos=9998. Demods=0. Limbo=42, Disabled=3655. Hints=0.
% 2.45/2.78  Megabytes=10.17.
% 2.45/2.78  User_CPU=1.74, System_CPU=0.06, Wall_clock=2.
% 2.45/2.78  
% 2.45/2.78  ============================== end of statistics =====================
% 2.45/2.78  
% 2.45/2.78  ============================== end of search =========================
% 2.45/2.78  
% 2.45/2.78  THEOREM PROVED
% 2.45/2.78  % SZS status Unsatisfiable
% 2.45/2.78  
% 2.45/2.78  Exiting with 1 proof.
% 2.45/2.78  
% 2.45/2.78  Process 29513 exit (max_proofs) Sun Jul  3 05:51:57 2022
% 2.45/2.78  Prover9 interrupted
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