TSTP Solution File: LCL157-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL157-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n005.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 13:44:26 EDT 2022

% Result   : Unsatisfiable 0.71s 1.01s
% Output   : Refutation 0.71s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LCL157-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n005.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 : Tue Jul  5 00:13:07 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.71/1.01  ============================== Prover9 ===============================
% 0.71/1.01  Prover9 (32) version 2009-11A, November 2009.
% 0.71/1.01  Process 22853 was started by sandbox on n005.cluster.edu,
% 0.71/1.01  Tue Jul  5 00:13:08 2022
% 0.71/1.01  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_22699_n005.cluster.edu".
% 0.71/1.01  ============================== end of head ===========================
% 0.71/1.01  
% 0.71/1.01  ============================== INPUT =================================
% 0.71/1.01  
% 0.71/1.01  % Reading from file /tmp/Prover9_22699_n005.cluster.edu
% 0.71/1.01  
% 0.71/1.01  set(prolog_style_variables).
% 0.71/1.01  set(auto2).
% 0.71/1.01      % set(auto2) -> set(auto).
% 0.71/1.01      % set(auto) -> set(auto_inference).
% 0.71/1.01      % set(auto) -> set(auto_setup).
% 0.71/1.01      % set(auto_setup) -> set(predicate_elim).
% 0.71/1.01      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.71/1.01      % set(auto) -> set(auto_limits).
% 0.71/1.01      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.71/1.01      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.71/1.01      % set(auto) -> set(auto_denials).
% 0.71/1.01      % set(auto) -> set(auto_process).
% 0.71/1.01      % set(auto2) -> assign(new_constants, 1).
% 0.71/1.01      % set(auto2) -> assign(fold_denial_max, 3).
% 0.71/1.01      % set(auto2) -> assign(max_weight, "200.000").
% 0.71/1.01      % set(auto2) -> assign(max_hours, 1).
% 0.71/1.01      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.71/1.01      % set(auto2) -> assign(max_seconds, 0).
% 0.71/1.01      % set(auto2) -> assign(max_minutes, 5).
% 0.71/1.01      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.71/1.01      % set(auto2) -> set(sort_initial_sos).
% 0.71/1.01      % set(auto2) -> assign(sos_limit, -1).
% 0.71/1.01      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.71/1.01      % set(auto2) -> assign(max_megs, 400).
% 0.71/1.01      % set(auto2) -> assign(stats, some).
% 0.71/1.01      % set(auto2) -> clear(echo_input).
% 0.71/1.01      % set(auto2) -> set(quiet).
% 0.71/1.01      % set(auto2) -> clear(print_initial_clauses).
% 0.71/1.01      % set(auto2) -> clear(print_given).
% 0.71/1.01  assign(lrs_ticks,-1).
% 0.71/1.01  assign(sos_limit,10000).
% 0.71/1.01  assign(order,kbo).
% 0.71/1.01  set(lex_order_vars).
% 0.71/1.01  clear(print_given).
% 0.71/1.01  
% 0.71/1.01  % formulas(sos).  % not echoed (17 formulas)
% 0.71/1.01  
% 0.71/1.01  ============================== end of input ==========================
% 0.71/1.01  
% 0.71/1.01  % From the command line: assign(max_seconds, 300).
% 0.71/1.01  
% 0.71/1.01  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.71/1.01  
% 0.71/1.01  % Formulas that are not ordinary clauses:
% 0.71/1.01  
% 0.71/1.01  ============================== end of process non-clausal formulas ===
% 0.71/1.01  
% 0.71/1.01  ============================== PROCESS INITIAL CLAUSES ===============
% 0.71/1.01  
% 0.71/1.01  ============================== PREDICATE ELIMINATION =================
% 0.71/1.01  
% 0.71/1.01  ============================== end predicate elimination =============
% 0.71/1.01  
% 0.71/1.01  Auto_denials:
% 0.71/1.01    % copying label prove_alternative_wajsberg_axiom to answer in negative clause
% 0.71/1.01  
% 0.71/1.01  Term ordering decisions:
% 0.71/1.01  
% 0.71/1.01  % Assigning unary symbol not kb_weight 0 and highest precedence (10).
% 0.71/1.01  Function symbol KB weights:  truth=1. falsehood=1. x=1. implies=1. or=1. and=1. and_star=1. xor=1. not=0.
% 0.71/1.01  
% 0.71/1.01  ============================== end of process initial clauses ========
% 0.71/1.01  
% 0.71/1.01  ============================== CLAUSES FOR SEARCH ====================
% 0.71/1.01  
% 0.71/1.01  ============================== end of clauses for search =============
% 0.71/1.01  
% 0.71/1.01  ============================== SEARCH ================================
% 0.71/1.01  
% 0.71/1.01  % Starting search at 0.01 seconds.
% 0.71/1.01  
% 0.71/1.01  ============================== PROOF =================================
% 0.71/1.01  % SZS status Unsatisfiable
% 0.71/1.01  % SZS output start Refutation
% 0.71/1.01  
% 0.71/1.01  % Proof 1 at 0.04 (+ 0.00) seconds: prove_alternative_wajsberg_axiom.
% 0.71/1.01  % Length of proof is 27.
% 0.71/1.01  % Level of proof is 8.
% 0.71/1.01  % Maximum clause weight is 19.000.
% 0.71/1.01  % Given clauses 27.
% 0.71/1.01  
% 0.71/1.01  1 not(truth) = falsehood # label(false_definition) # label(axiom).  [assumption].
% 0.71/1.01  2 falsehood = not(truth).  [copy(1),flip(a)].
% 0.71/1.01  3 implies(truth,A) = A # label(wajsberg_1) # label(axiom).  [assumption].
% 0.71/1.01  4 or(A,B) = or(B,A) # label(or_commutativity) # label(axiom).  [assumption].
% 0.71/1.01  8 or(A,B) = implies(not(A),B) # label(or_definition) # label(axiom).  [assumption].
% 0.71/1.01  11 and_star(A,B) = not(or(not(A),not(B))) # label(and_star_definition) # label(axiom).  [assumption].
% 0.71/1.01  12 and_star(A,B) = not(implies(not(not(A)),not(B))).  [copy(11),rewrite([8(4)])].
% 0.71/1.01  13 implies(implies(A,B),B) = implies(implies(B,A),A) # label(wajsberg_3) # label(axiom).  [assumption].
% 0.71/1.01  14 implies(implies(not(A),not(B)),implies(B,A)) = truth # label(wajsberg_4) # label(axiom).  [assumption].
% 0.71/1.01  15 or(or(A,B),C) = or(A,or(B,C)) # label(or_associativity) # label(axiom).  [assumption].
% 0.71/1.01  16 implies(not(A),implies(not(B),C)) = implies(not(C),implies(not(A),B)).  [copy(15),rewrite([8(1),4(3),8(3),8(5),8(7)]),flip(a)].
% 0.71/1.01  20 implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth # label(wajsberg_2) # label(axiom).  [assumption].
% 0.71/1.01  23 and_star(x,falsehood) != falsehood # label(prove_alternative_wajsberg_axiom) # label(negated_conjecture) # answer(prove_alternative_wajsberg_axiom).  [assumption].
% 0.71/1.01  24 not(implies(not(not(x)),not(not(truth)))) != not(truth) # answer(prove_alternative_wajsberg_axiom).  [copy(23),rewrite([2(2),12(4),2(9)])].
% 0.71/1.01  25 implies(not(A),B) = implies(not(B),A).  [back_rewrite(4),rewrite([8(1),8(3)])].
% 0.71/1.01  26 implies(implies(A,truth),truth) = implies(A,A).  [para(3(a,1),13(a,1,1)),flip(a)].
% 0.71/1.01  29 implies(implies(implies(A,B),implies(not(B),not(A))),implies(not(B),not(A))) = implies(A,B).  [para(14(a,1),13(a,1,1)),rewrite([3(3)]),flip(a)].
% 0.71/1.01  67 implies(A,implies(implies(A,B),B)) = truth.  [para(3(a,1),20(a,1,1)),rewrite([3(3)])].
% 0.71/1.01  68 implies(implies(A,truth),implies(B,implies(A,B))) = truth.  [para(3(a,1),20(a,1,2,1))].
% 0.71/1.01  131 implies(A,A) = truth.  [para(67(a,1),3(a,1)),rewrite([3(3)]),flip(a)].
% 0.71/1.01  143 implies(A,truth) = truth.  [para(26(a,1),67(a,1,2)),rewrite([131(1)])].
% 0.71/1.01  151 implies(A,implies(B,A)) = truth.  [back_rewrite(68),rewrite([143(2),3(4)])].
% 0.71/1.01  152 implies(not(not(A)),implies(not(B),A)) = truth.  [para(131(a,1),16(a,1,2)),rewrite([143(3)]),flip(a)].
% 0.71/1.01  186 implies(A,implies(not(A),B)) = truth.  [para(25(a,1),151(a,1,2))].
% 0.71/1.01  201 implies(not(A),not(truth)) = A.  [para(3(a,1),29(a,1,1,1)),rewrite([186(5),3(6),3(6)])].
% 0.71/1.01  242 implies(not(A),not(not(truth))) = truth.  [para(201(a,1),152(a,1,2)),rewrite([25(5)])].
% 0.71/1.01  245 $F # answer(prove_alternative_wajsberg_axiom).  [back_rewrite(24),rewrite([242(7)]),xx(a)].
% 0.71/1.01  
% 0.71/1.01  % SZS output end Refutation
% 0.71/1.01  ============================== end of proof ==========================
% 0.71/1.01  
% 0.71/1.01  ============================== STATISTICS ============================
% 0.71/1.01  
% 0.71/1.01  Given=27. Generated=731. Kept=236. proofs=1.
% 0.71/1.01  Usable=23. Sos=142. Demods=123. Limbo=3, Disabled=85. Hints=0.
% 0.71/1.01  Megabytes=0.33.
% 0.71/1.01  User_CPU=0.05, System_CPU=0.00, Wall_clock=0.
% 0.71/1.01  
% 0.71/1.01  ============================== end of statistics =====================
% 0.71/1.01  
% 0.71/1.01  ============================== end of search =========================
% 0.71/1.01  
% 0.71/1.01  THEOREM PROVED
% 0.71/1.01  % SZS status Unsatisfiable
% 0.71/1.01  
% 0.71/1.01  Exiting with 1 proof.
% 0.71/1.01  
% 0.71/1.01  Process 22853 exit (max_proofs) Tue Jul  5 00:13:08 2022
% 0.71/1.01  Prover9 interrupted
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