TSTP Solution File: GRP201-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP201-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n015.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 : Sat Jul 16 11:18:08 EDT 2022

% Result   : Unsatisfiable 3.78s 4.08s
% Output   : Refutation 3.78s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP201-1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n015.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jun 13 06:24:22 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 3.78/4.08  ============================== Prover9 ===============================
% 3.78/4.08  Prover9 (32) version 2009-11A, November 2009.
% 3.78/4.08  Process 31470 was started by sandbox2 on n015.cluster.edu,
% 3.78/4.08  Mon Jun 13 06:24:23 2022
% 3.78/4.08  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_31317_n015.cluster.edu".
% 3.78/4.08  ============================== end of head ===========================
% 3.78/4.08  
% 3.78/4.08  ============================== INPUT =================================
% 3.78/4.08  
% 3.78/4.08  % Reading from file /tmp/Prover9_31317_n015.cluster.edu
% 3.78/4.08  
% 3.78/4.08  set(prolog_style_variables).
% 3.78/4.08  set(auto2).
% 3.78/4.08      % set(auto2) -> set(auto).
% 3.78/4.08      % set(auto) -> set(auto_inference).
% 3.78/4.08      % set(auto) -> set(auto_setup).
% 3.78/4.08      % set(auto_setup) -> set(predicate_elim).
% 3.78/4.08      % set(auto_setup) -> assign(eq_defs, unfold).
% 3.78/4.08      % set(auto) -> set(auto_limits).
% 3.78/4.08      % set(auto_limits) -> assign(max_weight, "100.000").
% 3.78/4.08      % set(auto_limits) -> assign(sos_limit, 20000).
% 3.78/4.08      % set(auto) -> set(auto_denials).
% 3.78/4.08      % set(auto) -> set(auto_process).
% 3.78/4.08      % set(auto2) -> assign(new_constants, 1).
% 3.78/4.08      % set(auto2) -> assign(fold_denial_max, 3).
% 3.78/4.08      % set(auto2) -> assign(max_weight, "200.000").
% 3.78/4.08      % set(auto2) -> assign(max_hours, 1).
% 3.78/4.08      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 3.78/4.08      % set(auto2) -> assign(max_seconds, 0).
% 3.78/4.08      % set(auto2) -> assign(max_minutes, 5).
% 3.78/4.08      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 3.78/4.08      % set(auto2) -> set(sort_initial_sos).
% 3.78/4.08      % set(auto2) -> assign(sos_limit, -1).
% 3.78/4.08      % set(auto2) -> assign(lrs_ticks, 3000).
% 3.78/4.08      % set(auto2) -> assign(max_megs, 400).
% 3.78/4.08      % set(auto2) -> assign(stats, some).
% 3.78/4.08      % set(auto2) -> clear(echo_input).
% 3.78/4.08      % set(auto2) -> set(quiet).
% 3.78/4.08      % set(auto2) -> clear(print_initial_clauses).
% 3.78/4.08      % set(auto2) -> clear(print_given).
% 3.78/4.08  assign(lrs_ticks,-1).
% 3.78/4.08  assign(sos_limit,10000).
% 3.78/4.08  assign(order,kbo).
% 3.78/4.08  set(lex_order_vars).
% 3.78/4.08  clear(print_given).
% 3.78/4.08  
% 3.78/4.08  % formulas(sos).  % not echoed (10 formulas)
% 3.78/4.08  
% 3.78/4.08  ============================== end of input ==========================
% 3.78/4.08  
% 3.78/4.08  % From the command line: assign(max_seconds, 300).
% 3.78/4.08  
% 3.78/4.08  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 3.78/4.08  
% 3.78/4.08  % Formulas that are not ordinary clauses:
% 3.78/4.08  
% 3.78/4.08  ============================== end of process non-clausal formulas ===
% 3.78/4.08  
% 3.78/4.08  ============================== PROCESS INITIAL CLAUSES ===============
% 3.78/4.08  
% 3.78/4.08  ============================== PREDICATE ELIMINATION =================
% 3.78/4.08  
% 3.78/4.08  ============================== end predicate elimination =============
% 3.78/4.08  
% 3.78/4.08  Auto_denials:
% 3.78/4.08    % copying label prove_moufang3 to answer in negative clause
% 3.78/4.08  
% 3.78/4.08  Term ordering decisions:
% 3.78/4.08  Function symbol KB weights:  identity=1. a=1. b=1. c=1. multiply=1. left_division=1. right_division=1. left_inverse=1. right_inverse=1.
% 3.78/4.08  
% 3.78/4.08  ============================== end of process initial clauses ========
% 3.78/4.08  
% 3.78/4.08  ============================== CLAUSES FOR SEARCH ====================
% 3.78/4.08  
% 3.78/4.08  ============================== end of clauses for search =============
% 3.78/4.08  
% 3.78/4.08  ============================== SEARCH ================================
% 3.78/4.08  
% 3.78/4.08  % Starting search at 0.01 seconds.
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=71.000, iters=3383
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=67.000, iters=3406
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=63.000, iters=3371
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=59.000, iters=3343
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=55.000, iters=3428
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=51.000, iters=3376
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=47.000, iters=3356
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=43.000, iters=3336
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=39.000, iters=3338
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=35.000, iters=3345
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=31.000, iters=3336
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=29.000, iters=3352
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=28.000, iters=3366
% 3.78/4.08  
% 3.78/4.08  Low Water (keep): wt=27.000, iters=3337
% 3.78/4.08  
% 3.78/4.08  ============================== PROOF =================================
% 3.78/4.08  % SZS status Unsatisfiable
% 3.78/4.08  % SZS output start Refutation
% 3.78/4.08  
% 3.78/4.08  % Proof 1 at 3.04 (+ 0.05) seconds: prove_moufang3.
% 3.78/4.08  % Length of proof is 64.
% 3.78/4.08  % Level of proof is 15.
% 3.78/4.08  % Maximum clause weight is 27.000.
% 3.78/4.08  % Given clauses 300.
% 3.78/4.08  
% 3.78/4.08  1 multiply(identity,A) = A # label(left_identity) # label(axiom).  [assumption].
% 3.78/4.08  2 multiply(A,identity) = A # label(right_identity) # label(axiom).  [assumption].
% 3.78/4.08  3 multiply(A,right_inverse(A)) = identity # label(right_inverse) # label(axiom).  [assumption].
% 3.78/4.08  4 multiply(left_inverse(A),A) = identity # label(left_inverse) # label(axiom).  [assumption].
% 3.78/4.08  5 multiply(A,left_division(A,B)) = B # label(multiply_left_division) # label(axiom).  [assumption].
% 3.78/4.08  6 left_division(A,multiply(A,B)) = B # label(left_division_multiply) # label(axiom).  [assumption].
% 3.78/4.08  7 multiply(right_division(A,B),B) = A # label(multiply_right_division) # label(axiom).  [assumption].
% 3.78/4.08  8 right_division(multiply(A,B),B) = A # label(right_division_multiply) # label(axiom).  [assumption].
% 3.78/4.08  9 multiply(multiply(multiply(A,B),C),B) = multiply(A,multiply(B,multiply(C,B))) # label(moufang2) # label(axiom).  [assumption].
% 3.78/4.08  10 multiply(multiply(multiply(a,b),a),c) != multiply(a,multiply(b,multiply(a,c))) # label(prove_moufang3) # label(negated_conjecture) # answer(prove_moufang3).  [assumption].
% 3.78/4.08  14 left_division(A,A) = identity.  [para(2(a,1),6(a,1,2))].
% 3.78/4.08  15 left_division(A,identity) = right_inverse(A).  [para(3(a,1),6(a,1,2))].
% 3.78/4.08  16 right_inverse(left_inverse(A)) = A.  [para(4(a,1),6(a,1,2)),rewrite([15(3)])].
% 3.78/4.08  24 multiply(multiply(A,B),A) = multiply(A,multiply(B,A)).  [para(1(a,1),9(a,1,1,1)),rewrite([1(6)])].
% 3.78/4.08  28 multiply(left_inverse(A),multiply(A,multiply(B,A))) = multiply(B,A).  [para(4(a,1),9(a,1,1,1)),rewrite([1(2)]),flip(a)].
% 3.78/4.08  30 multiply(A,multiply(B,multiply(left_division(multiply(A,B),C),B))) = multiply(C,B).  [para(5(a,1),9(a,1,1)),flip(a)].
% 3.78/4.08  32 multiply(right_division(A,B),multiply(B,multiply(C,B))) = multiply(multiply(A,C),B).  [para(7(a,1),9(a,1,1,1)),flip(a)].
% 3.78/4.08  37 multiply(multiply(a,multiply(b,a)),c) != multiply(a,multiply(b,multiply(a,c))) # answer(prove_moufang3).  [back_rewrite(10),rewrite([24(5)])].
% 3.78/4.08  38 multiply(A,multiply(right_inverse(A),A)) = A.  [para(3(a,1),24(a,1,1)),rewrite([1(2)]),flip(a)].
% 3.78/4.08  40 multiply(A,multiply(left_division(A,B),A)) = multiply(B,A).  [para(5(a,1),24(a,1,1)),flip(a)].
% 3.78/4.08  43 right_division(multiply(A,multiply(B,A)),A) = multiply(A,B).  [para(24(a,1),8(a,1,1))].
% 3.78/4.08  44 multiply(multiply(multiply(A,multiply(B,A)),C),A) = multiply(multiply(A,B),multiply(A,multiply(C,A))).  [para(24(a,1),9(a,1,1,1))].
% 3.78/4.08  46 multiply(multiply(A,multiply(B,A)),multiply(C,multiply(A,multiply(B,A)))) = multiply(A,multiply(multiply(B,multiply(multiply(A,multiply(C,A)),B)),A)).  [para(24(a,1),9(a,2)),rewrite([44(4),9(5),24(6)]),flip(a)].
% 3.78/4.08  49 multiply(right_inverse(A),A) = identity.  [para(38(a,1),6(a,1,2)),rewrite([14(1)]),flip(a)].
% 3.78/4.08  52 multiply(A,left_inverse(A)) = identity.  [para(16(a,1),49(a,1,1))].
% 3.78/4.08  72 multiply(left_inverse(A),multiply(A,B)) = B.  [para(7(a,1),28(a,1,2,2)),rewrite([7(5)])].
% 3.78/4.08  74 multiply(multiply(A,multiply(multiply(B,multiply(C,B)),A)),B) = multiply(multiply(multiply(A,B),C),multiply(B,multiply(A,B))).  [para(28(a,1),9(a,1,1,1)),rewrite([46(12),72(13)]),flip(a)].
% 3.78/4.08  78 multiply(multiply(A,multiply(B,A)),multiply(C,multiply(A,multiply(B,A)))) = multiply(A,multiply(multiply(multiply(B,A),C),multiply(A,multiply(B,A)))).  [back_rewrite(46),rewrite([74(11)])].
% 3.78/4.08  79 multiply(left_inverse(A),B) = left_division(A,B).  [para(5(a,1),72(a,1,2))].
% 3.78/4.08  80 left_division(left_inverse(A),B) = multiply(A,B).  [para(72(a,1),6(a,1,2))].
% 3.78/4.08  81 right_division(A,multiply(B,A)) = left_inverse(B).  [para(72(a,1),8(a,1,1))].
% 3.78/4.08  87 left_division(A,multiply(B,multiply(C,B))) = multiply(multiply(left_division(A,B),C),B).  [para(79(a,1),9(a,1,1,1)),rewrite([79(7)]),flip(a)].
% 3.78/4.08  115 left_division(A,multiply(B,A)) = multiply(left_division(A,B),A).  [para(40(a,1),6(a,1,2))].
% 3.78/4.08  124 multiply(A,multiply(left_division(multiply(B,A),C),A)) = left_division(B,multiply(C,A)).  [para(30(a,1),6(a,1,2)),flip(a)].
% 3.78/4.08  131 right_division(multiply(A,B),A) = multiply(A,right_division(B,A)).  [para(7(a,1),43(a,1,1,2))].
% 3.78/4.08  221 multiply(multiply(A,B),left_inverse(B)) = A.  [para(52(a,1),32(a,1,2,2)),rewrite([2(5),7(4)]),flip(a)].
% 3.78/4.08  230 multiply(multiply(A,left_division(B,C)),B) = multiply(right_division(A,B),multiply(C,B)).  [para(40(a,1),32(a,1,2)),flip(a)].
% 3.78/4.08  246 left_division(multiply(A,B),A) = left_inverse(B).  [para(221(a,1),6(a,1,2))].
% 3.78/4.08  247 multiply(A,left_inverse(B)) = right_division(A,B).  [para(7(a,1),221(a,1,1))].
% 3.78/4.08  248 right_division(A,left_inverse(B)) = multiply(A,B).  [para(221(a,1),8(a,1,1))].
% 3.78/4.08  253 left_inverse(multiply(A,B)) = right_division(left_inverse(B),A).  [para(221(a,1),81(a,1,2)),flip(a)].
% 3.78/4.08  259 right_division(multiply(A,multiply(B,C)),C) = multiply(multiply(A,C),left_division(C,B)).  [para(221(a,1),32(a,1,2,2)),rewrite([248(2),79(3),247(7)]),flip(a)].
% 3.78/4.08  282 left_inverse(left_division(A,B)) = left_division(B,A).  [para(5(a,1),246(a,1,1)),flip(a)].
% 3.78/4.08  284 left_division(multiply(A,multiply(B,A)),multiply(A,B)) = left_inverse(A).  [para(24(a,1),246(a,1,1))].
% 3.78/4.08  296 right_division(left_inverse(A),B) = left_division(A,left_inverse(B)).  [para(247(a,1),79(a,1))].
% 3.78/4.08  306 left_inverse(multiply(A,B)) = left_division(B,left_inverse(A)).  [back_rewrite(253),rewrite([296(4)])].
% 3.78/4.08  323 left_division(left_division(A,B),C) = multiply(left_division(B,A),C).  [para(282(a,1),79(a,1,1)),flip(a)].
% 3.78/4.08  383 multiply(left_division(A,right_division(B,A)),A) = left_division(A,B).  [para(7(a,1),115(a,1,2)),flip(a)].
% 3.78/4.08  384 left_division(A,multiply(B,multiply(A,multiply(C,A)))) = multiply(left_division(A,multiply(multiply(B,A),C)),A).  [para(9(a,1),115(a,1,2))].
% 3.78/4.08  838 multiply(left_division(A,B),multiply(left_division(B,A),C)) = C.  [para(323(a,1),5(a,1,2))].
% 3.78/4.08  2578 multiply(multiply(A,B),multiply(C,multiply(A,B))) = multiply(A,multiply(multiply(B,C),multiply(A,B))).  [para(7(a,1),78(a,1,1,2)),rewrite([7(3),7(6),7(7)])].
% 3.78/4.08  2625 multiply(multiply(A,multiply(A,multiply(B,A))),left_division(multiply(A,multiply(B,A)),multiply(multiply(B,A),C))) = multiply(multiply(A,multiply(B,A)),C).  [para(78(a,1),131(a,1,1)),rewrite([259(9),8(17)])].
% 3.78/4.08  3189 left_division(multiply(A,multiply(B,A)),C) = left_division(A,left_division(B,left_division(A,C))).  [para(87(a,1),282(a,1,1)),rewrite([306(4),306(3),282(2)]),flip(a)].
% 3.78/4.08  3217 left_division(A,left_division(B,multiply(multiply(B,C),multiply(A,B)))) = multiply(left_division(A,C),multiply(A,B)).  [para(284(a,1),87(a,2,1,1)),rewrite([2578(6),3189(7),6(5),79(7)])].
% 3.78/4.08  3271 multiply(multiply(A,multiply(A,multiply(B,A))),left_division(A,left_division(B,left_division(A,multiply(multiply(B,A),C))))) = multiply(multiply(A,multiply(B,A)),C).  [back_rewrite(2625),rewrite([3189(8)])].
% 3.78/4.08  3431 multiply(A,multiply(multiply(left_division(A,B),C),A)) = multiply(B,multiply(C,A)).  [para(79(a,1),124(a,1,2,1,1)),rewrite([323(2),80(7)])].
% 3.78/4.08  4482 multiply(left_division(A,multiply(multiply(B,A),C)),A) = multiply(multiply(left_division(A,B),multiply(A,C)),A).  [para(230(a,1),74(a,2)),rewrite([3189(3),40(5),3431(5),81(8),79(9),384(8)]),flip(a)].
% 3.78/4.08  4839 left_division(A,multiply(B,multiply(C,A))) = multiply(multiply(left_division(A,B),C),A).  [para(259(a,1),383(a,1,1,2)),rewrite([4482(5),5(3)]),flip(a)].
% 3.78/4.08  4937 left_division(A,multiply(multiply(B,A),C)) = multiply(left_division(A,B),multiply(A,C)).  [back_rewrite(3217),rewrite([4839(4),6(2)])].
% 3.78/4.08  4945 multiply(multiply(A,multiply(A,multiply(B,A))),left_division(A,left_division(B,multiply(left_division(A,B),multiply(A,C))))) = multiply(multiply(A,multiply(B,A)),C).  [back_rewrite(3271),rewrite([4937(6)])].
% 3.78/4.08  13842 multiply(multiply(A,B),left_division(B,C)) = multiply(B,multiply(left_division(B,A),C)).  [para(3431(a,1),131(a,1,1)),rewrite([259(3),8(7)])].
% 3.78/4.08  15440 multiply(multiply(A,B),left_division(A,C)) = multiply(A,multiply(right_division(B,A),C)).  [para(79(a,1),4937(a,2,2)),rewrite([247(3),80(4),80(5)]),flip(a)].
% 3.78/4.08  15482 multiply(multiply(A,multiply(B,A)),C) = multiply(A,multiply(B,multiply(A,C))).  [back_rewrite(4945),rewrite([15440(9),131(3),8(2),13842(6),838(5)]),flip(a)].
% 3.78/4.08  15483 $F # answer(prove_moufang3).  [resolve(15482,a,37,a)].
% 3.78/4.08  
% 3.78/4.08  % SZS output end Refutation
% 3.78/4.08  ============================== end of proof ==========================
% 3.78/4.08  
% 3.78/4.08  ============================== STATISTICS ============================
% 3.78/4.08  
% 3.78/4.08  Given=300. Generated=77355. Kept=15482. proofs=1.
% 3.78/4.08  Usable=205. Sos=7801. Demods=8047. Limbo=42, Disabled=7443. Hints=0.
% 3.78/4.08  Megabytes=18.88.
% 3.78/4.08  User_CPU=3.04, System_CPU=0.05, Wall_clock=3.
% 3.78/4.08  
% 3.78/4.08  ============================== end of statistics =====================
% 3.78/4.08  
% 3.78/4.08  ============================== end of search =========================
% 3.78/4.08  
% 3.78/4.08  THEOREM PROVED
% 3.78/4.08  % SZS status Unsatisfiable
% 3.78/4.08  
% 3.78/4.08  Exiting with 1 proof.
% 3.78/4.08  
% 3.78/4.08  Process 31470 exit (max_proofs) Mon Jun 13 06:24:26 2022
% 3.78/4.08  Prover9 interrupted
%------------------------------------------------------------------------------