TSTP Solution File: LCL250-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL250-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n025.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 13:45:28 EDT 2022

% Result   : Unsatisfiable 1.45s 1.75s
% Output   : Refutation 1.45s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : LCL250-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 0.05/0.11  % Command  : tptp2X_and_run_prover9 %d %s
% 0.11/0.32  % Computer : n025.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Sun Jul  3 04:07:10 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.57/0.86  ============================== Prover9 ===============================
% 0.57/0.86  Prover9 (32) version 2009-11A, November 2009.
% 0.57/0.86  Process 24335 was started by sandbox on n025.cluster.edu,
% 0.57/0.86  Sun Jul  3 04:07:11 2022
% 0.57/0.86  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_24181_n025.cluster.edu".
% 0.57/0.86  ============================== end of head ===========================
% 0.57/0.86  
% 0.57/0.86  ============================== INPUT =================================
% 0.57/0.86  
% 0.57/0.86  % Reading from file /tmp/Prover9_24181_n025.cluster.edu
% 0.57/0.86  
% 0.57/0.86  set(prolog_style_variables).
% 0.57/0.86  set(auto2).
% 0.57/0.86      % set(auto2) -> set(auto).
% 0.57/0.86      % set(auto) -> set(auto_inference).
% 0.57/0.86      % set(auto) -> set(auto_setup).
% 0.57/0.86      % set(auto_setup) -> set(predicate_elim).
% 0.57/0.86      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.57/0.86      % set(auto) -> set(auto_limits).
% 0.57/0.86      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.57/0.86      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.57/0.86      % set(auto) -> set(auto_denials).
% 0.57/0.86      % set(auto) -> set(auto_process).
% 0.57/0.86      % set(auto2) -> assign(new_constants, 1).
% 0.57/0.86      % set(auto2) -> assign(fold_denial_max, 3).
% 0.57/0.86      % set(auto2) -> assign(max_weight, "200.000").
% 0.57/0.86      % set(auto2) -> assign(max_hours, 1).
% 0.57/0.86      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.57/0.86      % set(auto2) -> assign(max_seconds, 0).
% 0.57/0.86      % set(auto2) -> assign(max_minutes, 5).
% 0.57/0.86      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.57/0.86      % set(auto2) -> set(sort_initial_sos).
% 0.57/0.86      % set(auto2) -> assign(sos_limit, -1).
% 0.57/0.86      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.57/0.86      % set(auto2) -> assign(max_megs, 400).
% 0.57/0.86      % set(auto2) -> assign(stats, some).
% 0.57/0.86      % set(auto2) -> clear(echo_input).
% 0.57/0.86      % set(auto2) -> set(quiet).
% 0.57/0.86      % set(auto2) -> clear(print_initial_clauses).
% 0.57/0.86      % set(auto2) -> clear(print_given).
% 0.57/0.86  assign(lrs_ticks,-1).
% 0.57/0.86  assign(sos_limit,10000).
% 0.57/0.86  assign(order,kbo).
% 0.57/0.86  set(lex_order_vars).
% 0.57/0.86  clear(print_given).
% 0.57/0.86  
% 0.57/0.86  % formulas(sos).  % not echoed (9 formulas)
% 0.57/0.86  
% 0.57/0.86  ============================== end of input ==========================
% 0.57/0.86  
% 0.57/0.86  % From the command line: assign(max_seconds, 300).
% 0.57/0.86  
% 0.57/0.86  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.57/0.86  
% 0.57/0.86  % Formulas that are not ordinary clauses:
% 0.57/0.86  
% 0.57/0.86  ============================== end of process non-clausal formulas ===
% 0.57/0.86  
% 0.57/0.86  ============================== PROCESS INITIAL CLAUSES ===============
% 0.57/0.86  
% 0.57/0.86  ============================== PREDICATE ELIMINATION =================
% 0.57/0.86  1 theorem(A) | -axiom(A) # label(rule_1) # label(axiom).  [assumption].
% 0.57/0.86  2 axiom(or(not(or(A,A)),A)) # label(axiom_1_2) # label(axiom).  [assumption].
% 0.57/0.86  3 axiom(or(not(A),or(B,A))) # label(axiom_1_3) # label(axiom).  [assumption].
% 0.57/0.86  4 axiom(or(not(or(A,B)),or(B,A))) # label(axiom_1_4) # label(axiom).  [assumption].
% 0.57/0.86  5 axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))) # label(axiom_1_5) # label(axiom).  [assumption].
% 0.57/0.86  6 axiom(or(not(or(not(A),B)),or(not(or(C,A)),or(C,B)))) # label(axiom_1_6) # label(axiom).  [assumption].
% 0.57/0.86  Derived: theorem(or(not(or(A,A)),A)).  [resolve(1,b,2,a)].
% 0.57/0.86  Derived: theorem(or(not(A),or(B,A))).  [resolve(1,b,3,a)].
% 0.57/0.86  Derived: theorem(or(not(or(A,B)),or(B,A))).  [resolve(1,b,4,a)].
% 0.57/0.86  Derived: theorem(or(not(or(A,or(B,C))),or(B,or(A,C)))).  [resolve(1,b,5,a)].
% 0.57/0.86  Derived: theorem(or(not(or(not(A),B)),or(not(or(C,A)),or(C,B)))).  [resolve(1,b,6,a)].
% 0.57/0.86  7 theorem(A) | -axiom(or(not(B),A)) | -theorem(B) # label(rule_2) # label(axiom).  [assumption].
% 0.57/0.86  Derived: theorem(A) | -theorem(or(A,A)).  [resolve(7,b,2,a)].
% 0.57/0.86  Derived: theorem(or(A,B)) | -theorem(B).  [resolve(7,b,3,a)].
% 0.57/0.86  Derived: theorem(or(A,B)) | -theorem(or(B,A)).  [resolve(7,b,4,a)].
% 0.57/0.86  Derived: theorem(or(A,or(B,C))) | -theorem(or(B,or(A,C))).  [resolve(7,b,5,a)].
% 0.57/0.86  Derived: theorem(or(not(or(A,B)),or(A,C))) | -theorem(or(not(B),C)).  [resolve(7,b,6,a)].
% 0.57/0.86  8 theorem(or(not(A),B)) | -axiom(or(not(A),C)) | -theorem(or(not(C),B)) # label(rule_3) # label(axiom).  [assumption].
% 0.57/0.86  Derived: theorem(or(not(or(A,A)),B)) | -theorem(or(not(A),B)).  [resolve(8,b,2,a)].
% 0.57/0.86  Derived: theorem(or(not(A),B)) | -theorem(or(not(or(C,A)),B)).  [resolve(8,b,3,a)].
% 0.57/0.86  Derived: theorem(or(not(or(A,B)),C)) | -theorem(or(not(or(B,A)),C)).  [resolve(8,b,4,a)].
% 0.57/0.86  Derived: theorem(or(not(or(A,or(B,C))),D)) | -theorem(or(not(or(B,or(A,C))),D)).  [resolve(8,b,5,a)].
% 1.45/1.75  Derived: theorem(or(not(or(not(A),B)),C)) | -theorem(or(not(or(not(or(D,A)),or(D,B))),C)).  [resolve(8,b,6,a)].
% 1.45/1.75  
% 1.45/1.75  ============================== end predicate elimination =============
% 1.45/1.75  
% 1.45/1.75  Auto_denials:
% 1.45/1.75    % copying label prove_this to answer in negative clause
% 1.45/1.75  
% 1.45/1.75  Term ordering decisions:
% 1.45/1.75  
% 1.45/1.75  % Assigning unary symbol not kb_weight 0 and highest precedence (6).
% 1.45/1.75  Function symbol KB weights:  p=1. q=1. r=1. or=1. not=0.
% 1.45/1.75  
% 1.45/1.75  ============================== end of process initial clauses ========
% 1.45/1.75  
% 1.45/1.75  ============================== CLAUSES FOR SEARCH ====================
% 1.45/1.75  
% 1.45/1.75  ============================== end of clauses for search =============
% 1.45/1.75  
% 1.45/1.75  ============================== SEARCH ================================
% 1.45/1.75  
% 1.45/1.75  % Starting search at 0.01 seconds.
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=35.000, iters=3380
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=34.000, iters=3407
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=30.000, iters=3358
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=28.000, iters=3363
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=25.000, iters=3349
% 1.45/1.75  
% 1.45/1.75  Low Water (keep): wt=24.000, iters=3355
% 1.45/1.75  
% 1.45/1.75  ============================== PROOF =================================
% 1.45/1.75  % SZS status Unsatisfiable
% 1.45/1.75  % SZS output start Refutation
% 1.45/1.75  
% 1.45/1.75  % Proof 1 at 0.88 (+ 0.02) seconds: prove_this.
% 1.45/1.75  % Length of proof is 25.
% 1.45/1.75  % Level of proof is 8.
% 1.45/1.75  % Maximum clause weight is 20.000.
% 1.45/1.75  % Given clauses 2227.
% 1.45/1.75  
% 1.45/1.75  1 theorem(A) | -axiom(A) # label(rule_1) # label(axiom).  [assumption].
% 1.45/1.75  2 axiom(or(not(or(A,A)),A)) # label(axiom_1_2) # label(axiom).  [assumption].
% 1.45/1.75  3 axiom(or(not(A),or(B,A))) # label(axiom_1_3) # label(axiom).  [assumption].
% 1.45/1.75  4 axiom(or(not(or(A,B)),or(B,A))) # label(axiom_1_4) # label(axiom).  [assumption].
% 1.45/1.75  5 axiom(or(not(or(A,or(B,C))),or(B,or(A,C)))) # label(axiom_1_5) # label(axiom).  [assumption].
% 1.45/1.75  6 axiom(or(not(or(not(A),B)),or(not(or(C,A)),or(C,B)))) # label(axiom_1_6) # label(axiom).  [assumption].
% 1.45/1.75  7 theorem(A) | -axiom(or(not(B),A)) | -theorem(B) # label(rule_2) # label(axiom).  [assumption].
% 1.45/1.75  8 theorem(or(not(A),B)) | -axiom(or(not(A),C)) | -theorem(or(not(C),B)) # label(rule_3) # label(axiom).  [assumption].
% 1.45/1.75  9 -theorem(or(not(or(not(q),r)),or(not(not(or(not(p),not(q)))),r))) # label(prove_this) # label(negated_conjecture) # answer(prove_this).  [assumption].
% 1.45/1.75  10 theorem(or(not(or(A,A)),A)).  [resolve(1,b,2,a)].
% 1.45/1.75  18 theorem(or(A,or(B,C))) | -theorem(or(B,or(A,C))).  [resolve(7,b,5,a)].
% 1.45/1.75  19 theorem(or(not(or(A,B)),or(A,C))) | -theorem(or(not(B),C)).  [resolve(7,b,6,a)].
% 1.45/1.75  21 theorem(or(not(A),B)) | -theorem(or(not(or(C,A)),B)).  [resolve(8,b,3,a)].
% 1.45/1.75  22 theorem(or(not(or(A,B)),C)) | -theorem(or(not(or(B,A)),C)).  [resolve(8,b,4,a)].
% 1.45/1.75  23 theorem(or(not(or(A,or(B,C))),D)) | -theorem(or(not(or(B,or(A,C))),D)).  [resolve(8,b,5,a)].
% 1.45/1.75  24 theorem(or(not(or(not(A),B)),C)) | -theorem(or(not(or(not(or(D,A)),or(D,B))),C)).  [resolve(8,b,6,a)].
% 1.45/1.75  48 theorem(or(not(or(A,or(B,B))),or(A,B))).  [ur(19,b,10,a)].
% 1.45/1.75  59 -theorem(or(not(or(r,not(q))),or(not(not(or(not(p),not(q)))),r))) # answer(prove_this).  [resolve(22,a,9,a)].
% 1.45/1.75  501 theorem(or(not(or(not(A),B)),or(not(or(B,A)),B))).  [ur(24,b,48,a)].
% 1.45/1.75  712 -theorem(or(not(or(A,or(r,not(q)))),or(not(not(or(not(p),not(q)))),r))) # answer(prove_this).  [resolve(59,a,21,a)].
% 1.45/1.75  3341 theorem(or(not(or(A,not(B))),or(not(or(A,B)),A))).  [ur(22,b,501,a)].
% 1.45/1.75  7896 theorem(or(not(not(A)),or(not(or(B,A)),B))).  [ur(21,b,3341,a)].
% 1.45/1.75  7904 theorem(or(not(or(A,B)),or(not(not(B)),A))).  [ur(18,b,7896,a)].
% 1.45/1.75  7920 theorem(or(not(or(A,or(B,C))),or(not(not(or(A,C))),B))).  [ur(23,b,7904,a)].
% 1.45/1.75  7921 $F # answer(prove_this).  [resolve(7920,a,712,a)].
% 1.45/1.75  
% 1.45/1.75  % SZS output end Refutation
% 1.45/1.75  ============================== end of proof ==========================
% 1.45/1.75  
% 1.45/1.75  ============================== STATISTICS ============================
% 1.45/1.75  
% 1.45/1.75  Given=2227. Generated=18744. Kept=7912. proofs=1.
% 1.45/1.75  Usable=1702. Sos=4422. Demods=0. Limbo=1, Disabled=1810. Hints=0.
% 1.45/1.75  Megabytes=6.45.
% 1.45/1.75  User_CPU=0.88, System_CPU=0.02, Wall_clock=0.
% 1.45/1.75  
% 1.45/1.75  ============================== end of statistics =====================
% 1.45/1.75  
% 1.45/1.75  ============================== end of search =========================
% 1.45/1.75  
% 1.45/1.75  THEOREM PROVED
% 1.45/1.75  % SZS status Unsatisfiable
% 1.45/1.75  
% 1.45/1.75  Exiting with 1 proof.
% 1.45/1.75  
% 1.45/1.75  Process 24335 exit (max_proofs) Sun Jul  3 04:07:11 2022
% 1.45/1.75  Prover9 interrupted
%------------------------------------------------------------------------------