TSTP Solution File: LAT143-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LAT143-1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n021.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 06:25:46 EDT 2022

% Result   : Unsatisfiable 0.87s 1.15s
% Output   : Refutation 0.87s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : LAT143-1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n021.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Thu Jun 30 13:01:43 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.87/1.15  ============================== Prover9 ===============================
% 0.87/1.15  Prover9 (32) version 2009-11A, November 2009.
% 0.87/1.15  Process 4617 was started by sandbox2 on n021.cluster.edu,
% 0.87/1.15  Thu Jun 30 13:01:43 2022
% 0.87/1.15  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_4445_n021.cluster.edu".
% 0.87/1.15  ============================== end of head ===========================
% 0.87/1.15  
% 0.87/1.15  ============================== INPUT =================================
% 0.87/1.15  
% 0.87/1.15  % Reading from file /tmp/Prover9_4445_n021.cluster.edu
% 0.87/1.15  
% 0.87/1.15  set(prolog_style_variables).
% 0.87/1.15  set(auto2).
% 0.87/1.15      % set(auto2) -> set(auto).
% 0.87/1.15      % set(auto) -> set(auto_inference).
% 0.87/1.15      % set(auto) -> set(auto_setup).
% 0.87/1.15      % set(auto_setup) -> set(predicate_elim).
% 0.87/1.15      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.87/1.15      % set(auto) -> set(auto_limits).
% 0.87/1.15      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.87/1.15      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.87/1.15      % set(auto) -> set(auto_denials).
% 0.87/1.15      % set(auto) -> set(auto_process).
% 0.87/1.15      % set(auto2) -> assign(new_constants, 1).
% 0.87/1.15      % set(auto2) -> assign(fold_denial_max, 3).
% 0.87/1.15      % set(auto2) -> assign(max_weight, "200.000").
% 0.87/1.15      % set(auto2) -> assign(max_hours, 1).
% 0.87/1.15      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.87/1.15      % set(auto2) -> assign(max_seconds, 0).
% 0.87/1.15      % set(auto2) -> assign(max_minutes, 5).
% 0.87/1.15      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.87/1.15      % set(auto2) -> set(sort_initial_sos).
% 0.87/1.15      % set(auto2) -> assign(sos_limit, -1).
% 0.87/1.15      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.87/1.15      % set(auto2) -> assign(max_megs, 400).
% 0.87/1.15      % set(auto2) -> assign(stats, some).
% 0.87/1.15      % set(auto2) -> clear(echo_input).
% 0.87/1.15      % set(auto2) -> set(quiet).
% 0.87/1.15      % set(auto2) -> clear(print_initial_clauses).
% 0.87/1.15      % set(auto2) -> clear(print_given).
% 0.87/1.15  assign(lrs_ticks,-1).
% 0.87/1.15  assign(sos_limit,10000).
% 0.87/1.15  assign(order,kbo).
% 0.87/1.15  set(lex_order_vars).
% 0.87/1.15  clear(print_given).
% 0.87/1.15  
% 0.87/1.15  % formulas(sos).  % not echoed (10 formulas)
% 0.87/1.15  
% 0.87/1.15  ============================== end of input ==========================
% 0.87/1.15  
% 0.87/1.15  % From the command line: assign(max_seconds, 300).
% 0.87/1.15  
% 0.87/1.15  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.87/1.15  
% 0.87/1.15  % Formulas that are not ordinary clauses:
% 0.87/1.15  
% 0.87/1.15  ============================== end of process non-clausal formulas ===
% 0.87/1.15  
% 0.87/1.15  ============================== PROCESS INITIAL CLAUSES ===============
% 0.87/1.15  
% 0.87/1.15  ============================== PREDICATE ELIMINATION =================
% 0.87/1.15  
% 0.87/1.15  ============================== end predicate elimination =============
% 0.87/1.15  
% 0.87/1.15  Auto_denials:
% 0.87/1.15    % copying label prove_H15 to answer in negative clause
% 0.87/1.15  
% 0.87/1.15  Term ordering decisions:
% 0.87/1.15  Function symbol KB weights:  a=1. b=1. c=1. meet=1. join=1.
% 0.87/1.15  
% 0.87/1.15  ============================== end of process initial clauses ========
% 0.87/1.15  
% 0.87/1.15  ============================== CLAUSES FOR SEARCH ====================
% 0.87/1.15  
% 0.87/1.15  ============================== end of clauses for search =============
% 0.87/1.15  
% 0.87/1.15  ============================== SEARCH ================================
% 0.87/1.15  
% 0.87/1.15  % Starting search at 0.01 seconds.
% 0.87/1.15  
% 0.87/1.15  ============================== PROOF =================================
% 0.87/1.15  % SZS status Unsatisfiable
% 0.87/1.15  % SZS output start Refutation
% 0.87/1.15  
% 0.87/1.15  % Proof 1 at 0.16 (+ 0.00) seconds: prove_H15.
% 0.87/1.15  % Length of proof is 34.
% 0.87/1.15  % Level of proof is 12.
% 0.87/1.15  % Maximum clause weight is 31.000.
% 0.87/1.15  % Given clauses 34.
% 0.87/1.15  
% 0.87/1.15  1 meet(A,A) = A # label(idempotence_of_meet) # label(axiom).  [assumption].
% 0.87/1.15  2 join(A,A) = A # label(idempotence_of_join) # label(axiom).  [assumption].
% 0.87/1.15  3 meet(A,join(A,B)) = A # label(absorption1) # label(axiom).  [assumption].
% 0.87/1.15  4 join(A,meet(A,B)) = A # label(absorption2) # label(axiom).  [assumption].
% 0.87/1.15  5 meet(A,B) = meet(B,A) # label(commutativity_of_meet) # label(axiom).  [assumption].
% 0.87/1.15  6 join(A,B) = join(B,A) # label(commutativity_of_join) # label(axiom).  [assumption].
% 0.87/1.15  7 meet(meet(A,B),C) = meet(A,meet(B,C)) # label(associativity_of_meet) # label(axiom).  [assumption].
% 0.87/1.15  8 meet(A,meet(B,C)) = meet(C,meet(A,B)).  [copy(7),rewrite([5(2)]),flip(a)].
% 0.87/1.15  9 join(join(A,B),C) = join(A,join(B,C)) # label(associativity_of_join) # label(axiom).  [assumption].
% 0.87/1.15  10 join(A,join(B,C)) = join(C,join(A,B)).  [copy(9),rewrite([6(2)]),flip(a)].
% 0.87/1.15  11 join(meet(A,B),meet(B,C)) = join(meet(A,B),meet(B,join(meet(A,B),meet(C,join(A,B))))) # label(equation_H24) # label(axiom).  [assumption].
% 0.87/1.15  12 join(meet(A,B),meet(B,join(meet(A,B),meet(C,join(A,B))))) = join(meet(A,B),meet(B,C)).  [copy(11),flip(a)].
% 0.87/1.15  13 meet(a,join(meet(a,b),meet(a,c))) != meet(a,join(meet(a,b),join(meet(a,c),meet(c,join(a,b))))) # label(prove_H15) # label(negated_conjecture) # answer(prove_H15).  [assumption].
% 0.87/1.15  14 meet(a,join(meet(a,b),join(meet(a,c),meet(c,join(a,b))))) != meet(a,join(meet(a,b),meet(a,c))) # answer(prove_H15).  [copy(13),flip(a)].
% 0.87/1.15  15 meet(A,meet(A,B)) = meet(A,B).  [para(8(a,1),1(a,1)),rewrite([5(1),5(2),8(2,R),1(1),5(3)])].
% 0.87/1.15  16 meet(A,meet(B,join(A,C))) = meet(A,B).  [para(3(a,1),8(a,2,2)),rewrite([5(2),5(4)])].
% 0.87/1.15  17 join(A,join(A,B)) = join(A,B).  [para(10(a,1),2(a,1)),rewrite([6(1),6(2),10(2,R),2(1),6(3)])].
% 0.87/1.15  18 join(A,join(B,meet(A,C))) = join(A,B).  [para(4(a,1),10(a,2,2)),rewrite([6(2),6(4)])].
% 0.87/1.15  19 join(A,meet(join(A,B),join(A,meet(C,join(A,B))))) = join(A,meet(C,join(A,B))).  [para(3(a,1),12(a,1,1)),rewrite([3(3),17(3),3(8),5(8)])].
% 0.87/1.15  21 join(meet(A,B),meet(A,join(meet(A,B),meet(C,join(A,B))))) = join(meet(A,B),meet(A,C)).  [para(5(a,1),12(a,1,1)),rewrite([5(2),6(3),5(8)])].
% 0.87/1.15  26 meet(A,meet(B,meet(C,join(A,D)))) = meet(A,meet(B,C)).  [para(16(a,1),8(a,2,2)),rewrite([5(3),8(3,R),5(2),8(6),5(5),8(6,R),5(5)])].
% 0.87/1.15  36 join(A,join(join(A,B),meet(C,join(A,B)))) = join(A,B).  [para(19(a,1),18(a,1,2)),rewrite([10(5,R),6(4),6(7),17(7)])].
% 0.87/1.15  37 meet(A,meet(B,meet(meet(A,B),join(C,meet(A,B))))) = meet(A,B).  [para(1(a,1),26(a,2)),rewrite([6(3),8(6,R),5(5),8(5,R),5(4)])].
% 0.87/1.15  44 join(join(A,B),meet(C,join(A,B))) = join(A,B).  [para(36(a,1),10(a,1)),rewrite([17(5),6(5)]),flip(a)].
% 0.87/1.15  45 join(meet(A,join(B,C)),meet(A,meet(D,join(B,C)))) = meet(A,join(B,C)).  [para(44(a,1),12(a,1,2,2,2,2)),rewrite([8(4,R),1(3),8(8,R),1(7),3(10),2(5),8(6,R),1(5),5(7),8(7,R),5(6)]),flip(a)].
% 0.87/1.15  55 join(meet(A,B),meet(join(meet(A,B),meet(A,C)),join(meet(A,B),meet(C,join(A,B))))) = join(meet(A,B),meet(A,C)).  [para(21(a,1),19(a,1,2,2)),rewrite([5(9),21(17)])].
% 0.87/1.15  61 meet(A,meet(join(meet(A,B),meet(A,C)),join(meet(A,B),meet(C,join(A,B))))) = meet(A,join(meet(A,B),meet(C,join(A,B)))).  [para(12(a,1),37(a,1,2,2,2)),rewrite([5(1),6(2),5(5),6(6),5(10),5(13),8(13,R),5(12),8(14,R),5(13),8(13,R),1(12),15(10),5(10),6(11)])].
% 0.87/1.15  103 join(meet(A,B),meet(A,join(B,C))) = meet(A,join(B,C)).  [para(3(a,1),45(a,1,2,2)),rewrite([6(4)])].
% 0.87/1.15  109 join(meet(A,B),meet(B,join(A,C))) = meet(B,join(A,C)).  [para(5(a,1),103(a,1,1))].
% 0.87/1.15  120 meet(a,join(meet(a,b),meet(c,join(a,b)))) != meet(a,join(meet(a,b),meet(a,c))) # answer(prove_H15).  [back_rewrite(14),rewrite([109(13)])].
% 0.87/1.15  146 join(A,meet(join(A,B),join(A,C))) = meet(join(A,B),join(A,C)).  [para(3(a,1),109(a,1,1))].
% 0.87/1.15  168 meet(join(meet(A,B),meet(A,C)),join(meet(A,B),meet(C,join(A,B)))) = join(meet(A,B),meet(A,C)).  [back_rewrite(55),rewrite([146(10)])].
% 0.87/1.15  177 meet(A,join(meet(A,B),meet(C,join(A,B)))) = meet(A,join(meet(A,B),meet(A,C))).  [back_rewrite(61),rewrite([168(8)]),flip(a)].
% 0.87/1.15  178 $F # answer(prove_H15).  [resolve(177,a,120,a)].
% 0.87/1.15  
% 0.87/1.15  % SZS output end Refutation
% 0.87/1.15  ============================== end of proof ==========================
% 0.87/1.15  
% 0.87/1.15  ============================== STATISTICS ============================
% 0.87/1.15  
% 0.87/1.15  Given=34. Generated=1919. Kept=173. proofs=1.
% 0.87/1.15  Usable=29. Sos=109. Demods=146. Limbo=9, Disabled=35. Hints=0.
% 0.87/1.15  Megabytes=0.39.
% 0.87/1.15  User_CPU=0.16, System_CPU=0.00, Wall_clock=1.
% 0.87/1.15  
% 0.87/1.15  ============================== end of statistics =====================
% 0.87/1.15  
% 0.87/1.15  ============================== end of search =========================
% 0.87/1.15  
% 0.87/1.15  THEOREM PROVED
% 0.87/1.15  % SZS status Unsatisfiable
% 0.87/1.15  
% 0.87/1.15  Exiting with 1 proof.
% 0.87/1.15  
% 0.87/1.15  Process 4617 exit (max_proofs) Thu Jun 30 13:01:44 2022
% 0.87/1.15  Prover9 interrupted
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