TSTP Solution File: GRP202-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP202-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n014.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 3.49s 3.75s
% Output   : Refutation 3.49s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP202-1 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n014.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 : Tue Jun 14 13:43:51 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 3.49/3.75  ============================== Prover9 ===============================
% 3.49/3.75  Prover9 (32) version 2009-11A, November 2009.
% 3.49/3.75  Process 27180 was started by sandbox2 on n014.cluster.edu,
% 3.49/3.75  Tue Jun 14 13:43:52 2022
% 3.49/3.75  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_27027_n014.cluster.edu".
% 3.49/3.75  ============================== end of head ===========================
% 3.49/3.75  
% 3.49/3.75  ============================== INPUT =================================
% 3.49/3.75  
% 3.49/3.75  % Reading from file /tmp/Prover9_27027_n014.cluster.edu
% 3.49/3.75  
% 3.49/3.75  set(prolog_style_variables).
% 3.49/3.75  set(auto2).
% 3.49/3.75      % set(auto2) -> set(auto).
% 3.49/3.75      % set(auto) -> set(auto_inference).
% 3.49/3.75      % set(auto) -> set(auto_setup).
% 3.49/3.75      % set(auto_setup) -> set(predicate_elim).
% 3.49/3.75      % set(auto_setup) -> assign(eq_defs, unfold).
% 3.49/3.75      % set(auto) -> set(auto_limits).
% 3.49/3.75      % set(auto_limits) -> assign(max_weight, "100.000").
% 3.49/3.75      % set(auto_limits) -> assign(sos_limit, 20000).
% 3.49/3.75      % set(auto) -> set(auto_denials).
% 3.49/3.75      % set(auto) -> set(auto_process).
% 3.49/3.75      % set(auto2) -> assign(new_constants, 1).
% 3.49/3.75      % set(auto2) -> assign(fold_denial_max, 3).
% 3.49/3.75      % set(auto2) -> assign(max_weight, "200.000").
% 3.49/3.75      % set(auto2) -> assign(max_hours, 1).
% 3.49/3.75      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 3.49/3.75      % set(auto2) -> assign(max_seconds, 0).
% 3.49/3.75      % set(auto2) -> assign(max_minutes, 5).
% 3.49/3.75      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 3.49/3.75      % set(auto2) -> set(sort_initial_sos).
% 3.49/3.75      % set(auto2) -> assign(sos_limit, -1).
% 3.49/3.75      % set(auto2) -> assign(lrs_ticks, 3000).
% 3.49/3.75      % set(auto2) -> assign(max_megs, 400).
% 3.49/3.75      % set(auto2) -> assign(stats, some).
% 3.49/3.75      % set(auto2) -> clear(echo_input).
% 3.49/3.75      % set(auto2) -> set(quiet).
% 3.49/3.75      % set(auto2) -> clear(print_initial_clauses).
% 3.49/3.75      % set(auto2) -> clear(print_given).
% 3.49/3.75  assign(lrs_ticks,-1).
% 3.49/3.75  assign(sos_limit,10000).
% 3.49/3.75  assign(order,kbo).
% 3.49/3.75  set(lex_order_vars).
% 3.49/3.75  clear(print_given).
% 3.49/3.75  
% 3.49/3.75  % formulas(sos).  % not echoed (10 formulas)
% 3.49/3.75  
% 3.49/3.75  ============================== end of input ==========================
% 3.49/3.75  
% 3.49/3.75  % From the command line: assign(max_seconds, 300).
% 3.49/3.75  
% 3.49/3.75  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 3.49/3.75  
% 3.49/3.75  % Formulas that are not ordinary clauses:
% 3.49/3.75  
% 3.49/3.75  ============================== end of process non-clausal formulas ===
% 3.49/3.75  
% 3.49/3.75  ============================== PROCESS INITIAL CLAUSES ===============
% 3.49/3.75  
% 3.49/3.75  ============================== PREDICATE ELIMINATION =================
% 3.49/3.75  
% 3.49/3.75  ============================== end predicate elimination =============
% 3.49/3.75  
% 3.49/3.75  Auto_denials:
% 3.49/3.75    % copying label prove_moufang1 to answer in negative clause
% 3.49/3.75  
% 3.49/3.75  Term ordering decisions:
% 3.49/3.75  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.
% 3.49/3.75  
% 3.49/3.75  ============================== end of process initial clauses ========
% 3.49/3.75  
% 3.49/3.75  ============================== CLAUSES FOR SEARCH ====================
% 3.49/3.75  
% 3.49/3.75  ============================== end of clauses for search =============
% 3.49/3.75  
% 3.49/3.75  ============================== SEARCH ================================
% 3.49/3.75  
% 3.49/3.75  % Starting search at 0.01 seconds.
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=67.000, iters=3336
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=63.000, iters=3349
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=59.000, iters=3368
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=55.000, iters=3408
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=51.000, iters=3351
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=47.000, iters=3360
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=43.000, iters=3362
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=39.000, iters=3345
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=35.000, iters=3372
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=32.000, iters=3351
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=31.000, iters=3350
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=29.000, iters=3350
% 3.49/3.75  
% 3.49/3.75  Low Water (keep): wt=27.000, iters=3343
% 3.49/3.75  
% 3.49/3.75  ============================== PROOF =================================
% 3.49/3.75  % SZS status Unsatisfiable
% 3.49/3.75  % SZS output start Refutation
% 3.49/3.75  
% 3.49/3.75  % Proof 1 at 2.71 (+ 0.05) seconds: prove_moufang1.
% 3.49/3.75  % Length of proof is 33.
% 3.49/3.75  % Level of proof is 12.
% 3.49/3.75  % Maximum clause weight is 15.000.
% 3.49/3.75  % Given clauses 289.
% 3.49/3.75  
% 3.49/3.75  1 multiply(identity,A) = A # label(left_identity) # label(axiom).  [assumption].
% 3.49/3.75  2 multiply(A,identity) = A # label(right_identity) # label(axiom).  [assumption].
% 3.49/3.75  3 multiply(A,right_inverse(A)) = identity # label(right_inverse) # label(axiom).  [assumption].
% 3.49/3.75  4 multiply(left_inverse(A),A) = identity # label(left_inverse) # label(axiom).  [assumption].
% 3.49/3.75  5 multiply(A,left_division(A,B)) = B # label(multiply_left_division) # label(axiom).  [assumption].
% 3.49/3.75  6 left_division(A,multiply(A,B)) = B # label(left_division_multiply) # label(axiom).  [assumption].
% 3.49/3.75  7 multiply(right_division(A,B),B) = A # label(multiply_right_division) # label(axiom).  [assumption].
% 3.49/3.75  8 right_division(multiply(A,B),B) = A # label(right_division_multiply) # label(axiom).  [assumption].
% 3.49/3.75  9 multiply(multiply(multiply(A,B),A),C) = multiply(A,multiply(B,multiply(A,C))) # label(moufang3) # label(axiom).  [assumption].
% 3.49/3.75  10 multiply(multiply(a,multiply(b,c)),a) != multiply(multiply(a,b),multiply(c,a)) # label(prove_moufang1) # label(negated_conjecture) # answer(prove_moufang1).  [assumption].
% 3.49/3.75  14 left_division(A,A) = identity.  [para(2(a,1),6(a,1,2))].
% 3.49/3.75  15 left_division(A,identity) = right_inverse(A).  [para(3(a,1),6(a,1,2))].
% 3.49/3.75  16 right_inverse(left_inverse(A)) = A.  [para(4(a,1),6(a,1,2)),rewrite([15(3)])].
% 3.49/3.75  25 multiply(multiply(A,B),A) = multiply(A,multiply(B,A)).  [para(9(a,1),2(a,1)),rewrite([2(2)]),flip(a)].
% 3.49/3.75  29 multiply(left_inverse(A),multiply(A,multiply(left_inverse(A),B))) = multiply(left_inverse(A),B).  [para(4(a,1),9(a,1,1,1)),rewrite([1(3)]),flip(a)].
% 3.49/3.75  33 multiply(A,multiply(left_division(A,B),multiply(A,C))) = multiply(multiply(B,A),C).  [para(5(a,1),9(a,1,1,1)),flip(a)].
% 3.49/3.75  39 right_division(multiply(A,multiply(B,multiply(A,C))),C) = multiply(A,multiply(B,A)).  [para(9(a,1),8(a,1,1)),rewrite([25(6)])].
% 3.49/3.75  45 multiply(multiply(a,b),multiply(c,a)) != multiply(a,multiply(multiply(b,c),a)) # answer(prove_moufang1).  [back_rewrite(10),rewrite([25(7)]),flip(a)].
% 3.49/3.75  59 multiply(A,multiply(right_inverse(A),A)) = A.  [para(3(a,1),25(a,1,1)),rewrite([1(2)]),flip(a)].
% 3.49/3.75  67 multiply(right_inverse(A),A) = identity.  [para(59(a,1),6(a,1,2)),rewrite([14(1)]),flip(a)].
% 3.49/3.75  70 multiply(A,left_inverse(A)) = identity.  [para(16(a,1),67(a,1,1))].
% 3.49/3.75  77 multiply(left_inverse(A),multiply(A,B)) = B.  [para(5(a,1),29(a,1,2,2)),rewrite([5(7)])].
% 3.49/3.75  81 left_division(left_inverse(A),B) = multiply(A,B).  [para(77(a,1),6(a,1,2))].
% 3.49/3.75  109 multiply(multiply(A,B),left_inverse(B)) = A.  [para(70(a,1),33(a,1,2,2)),rewrite([2(3),5(2)]),flip(a)].
% 3.49/3.75  114 left_division(multiply(A,B),A) = left_inverse(B).  [para(109(a,1),6(a,1,2))].
% 3.49/3.75  115 multiply(A,left_inverse(B)) = right_division(A,B).  [para(7(a,1),109(a,1,1))].
% 3.49/3.75  116 right_division(A,left_inverse(B)) = multiply(A,B).  [para(109(a,1),8(a,1,1))].
% 3.49/3.75  131 left_inverse(left_division(A,B)) = left_division(B,A).  [para(5(a,1),114(a,1,1)),flip(a)].
% 3.49/3.75  163 right_division(A,left_division(B,C)) = multiply(A,left_division(C,B)).  [para(131(a,1),115(a,1,2)),flip(a)].
% 3.49/3.75  233 multiply(multiply(A,multiply(B,C)),left_division(C,A)) = multiply(A,multiply(B,A)).  [para(5(a,1),39(a,1,1,2,2)),rewrite([163(4)])].
% 3.49/3.75  3164 multiply(multiply(A,B),left_division(C,A)) = multiply(A,multiply(right_division(B,C),A)).  [para(7(a,1),233(a,1,1,2))].
% 3.49/3.75  14594 multiply(multiply(A,B),multiply(C,A)) = multiply(A,multiply(multiply(B,C),A)).  [para(81(a,1),3164(a,1,2)),rewrite([116(5)])].
% 3.49/3.75  14595 $F # answer(prove_moufang1).  [resolve(14594,a,45,a)].
% 3.49/3.75  
% 3.49/3.75  % SZS output end Refutation
% 3.49/3.75  ============================== end of proof ==========================
% 3.49/3.75  
% 3.49/3.75  ============================== STATISTICS ============================
% 3.49/3.75  
% 3.49/3.75  Given=289. Generated=75330. Kept=14594. proofs=1.
% 3.49/3.75  Usable=218. Sos=8298. Demods=8516. Limbo=4, Disabled=6083. Hints=0.
% 3.49/3.75  Megabytes=17.99.
% 3.49/3.75  User_CPU=2.71, System_CPU=0.05, Wall_clock=3.
% 3.49/3.75  
% 3.49/3.75  ============================== end of statistics =====================
% 3.49/3.75  
% 3.49/3.75  ============================== end of search =========================
% 3.49/3.75  
% 3.49/3.75  THEOREM PROVED
% 3.49/3.75  % SZS status Unsatisfiable
% 3.49/3.75  
% 3.49/3.75  Exiting with 1 proof.
% 3.49/3.75  
% 3.49/3.75  Process 27180 exit (max_proofs) Tue Jun 14 13:43:55 2022
% 3.49/3.75  Prover9 interrupted
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