TSTP Solution File: GRP616-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP616-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 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 : Sat Jul 16 11:19:52 EDT 2022

% Result   : Unsatisfiable 0.81s 1.09s
% Output   : Refutation 0.81s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.14  % Problem  : GRP616-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.14/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.15/0.36  % Computer : n021.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Tue Jun 14 06:07:42 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 0.81/1.09  ============================== Prover9 ===============================
% 0.81/1.09  Prover9 (32) version 2009-11A, November 2009.
% 0.81/1.09  Process 13295 was started by sandbox2 on n021.cluster.edu,
% 0.81/1.09  Tue Jun 14 06:07:43 2022
% 0.81/1.09  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_13142_n021.cluster.edu".
% 0.81/1.09  ============================== end of head ===========================
% 0.81/1.09  
% 0.81/1.09  ============================== INPUT =================================
% 0.81/1.09  
% 0.81/1.09  % Reading from file /tmp/Prover9_13142_n021.cluster.edu
% 0.81/1.09  
% 0.81/1.09  set(prolog_style_variables).
% 0.81/1.09  set(auto2).
% 0.81/1.09      % set(auto2) -> set(auto).
% 0.81/1.09      % set(auto) -> set(auto_inference).
% 0.81/1.09      % set(auto) -> set(auto_setup).
% 0.81/1.09      % set(auto_setup) -> set(predicate_elim).
% 0.81/1.09      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.81/1.09      % set(auto) -> set(auto_limits).
% 0.81/1.09      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.81/1.09      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.81/1.09      % set(auto) -> set(auto_denials).
% 0.81/1.09      % set(auto) -> set(auto_process).
% 0.81/1.09      % set(auto2) -> assign(new_constants, 1).
% 0.81/1.09      % set(auto2) -> assign(fold_denial_max, 3).
% 0.81/1.09      % set(auto2) -> assign(max_weight, "200.000").
% 0.81/1.09      % set(auto2) -> assign(max_hours, 1).
% 0.81/1.09      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.81/1.09      % set(auto2) -> assign(max_seconds, 0).
% 0.81/1.09      % set(auto2) -> assign(max_minutes, 5).
% 0.81/1.09      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.81/1.09      % set(auto2) -> set(sort_initial_sos).
% 0.81/1.09      % set(auto2) -> assign(sos_limit, -1).
% 0.81/1.09      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.81/1.09      % set(auto2) -> assign(max_megs, 400).
% 0.81/1.09      % set(auto2) -> assign(stats, some).
% 0.81/1.09      % set(auto2) -> clear(echo_input).
% 0.81/1.09      % set(auto2) -> set(quiet).
% 0.81/1.09      % set(auto2) -> clear(print_initial_clauses).
% 0.81/1.09      % set(auto2) -> clear(print_given).
% 0.81/1.09  assign(lrs_ticks,-1).
% 0.81/1.09  assign(sos_limit,10000).
% 0.81/1.09  assign(order,kbo).
% 0.81/1.09  set(lex_order_vars).
% 0.81/1.09  clear(print_given).
% 0.81/1.09  
% 0.81/1.09  % formulas(sos).  % not echoed (3 formulas)
% 0.81/1.09  
% 0.81/1.09  ============================== end of input ==========================
% 0.81/1.09  
% 0.81/1.09  % From the command line: assign(max_seconds, 300).
% 0.81/1.09  
% 0.81/1.09  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.81/1.09  
% 0.81/1.09  % Formulas that are not ordinary clauses:
% 0.81/1.09  
% 0.81/1.09  ============================== end of process non-clausal formulas ===
% 0.81/1.09  
% 0.81/1.09  ============================== PROCESS INITIAL CLAUSES ===============
% 0.81/1.09  
% 0.81/1.09  ============================== PREDICATE ELIMINATION =================
% 0.81/1.09  
% 0.81/1.09  ============================== end predicate elimination =============
% 0.81/1.09  
% 0.81/1.09  Auto_denials:
% 0.81/1.09    % copying label prove_these_axioms_4 to answer in negative clause
% 0.81/1.09  
% 0.81/1.09  Term ordering decisions:
% 0.81/1.09  
% 0.81/1.09  % Assigning unary symbol inverse kb_weight 0 and highest precedence (6).
% 0.81/1.09  Function symbol KB weights:  a=1. b=1. double_divide=1. multiply=1. inverse=0.
% 0.81/1.09  
% 0.81/1.09  ============================== end of process initial clauses ========
% 0.81/1.09  
% 0.81/1.09  ============================== CLAUSES FOR SEARCH ====================
% 0.81/1.09  
% 0.81/1.09  ============================== end of clauses for search =============
% 0.81/1.09  
% 0.81/1.09  ============================== SEARCH ================================
% 0.81/1.09  
% 0.81/1.09  % Starting search at 0.01 seconds.
% 0.81/1.09  
% 0.81/1.09  ============================== PROOF =================================
% 0.81/1.09  % SZS status Unsatisfiable
% 0.81/1.09  % SZS output start Refutation
% 0.81/1.09  
% 0.81/1.09  % Proof 1 at 0.05 (+ 0.00) seconds: prove_these_axioms_4.
% 0.81/1.09  % Length of proof is 22.
% 0.81/1.09  % Level of proof is 13.
% 0.81/1.09  % Maximum clause weight is 21.000.
% 0.81/1.09  % Given clauses 24.
% 0.81/1.09  
% 0.81/1.09  1 multiply(A,B) = inverse(double_divide(B,A)) # label(multiply) # label(axiom).  [assumption].
% 0.81/1.09  2 double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),double_divide(A,C)) = B # label(single_axiom) # label(axiom).  [assumption].
% 0.81/1.09  3 multiply(a,b) != multiply(b,a) # label(prove_these_axioms_4) # label(negated_conjecture) # answer(prove_these_axioms_4).  [assumption].
% 0.81/1.09  4 inverse(double_divide(b,a)) != inverse(double_divide(a,b)) # answer(prove_these_axioms_4).  [copy(3),rewrite([1(3),1(7)])].
% 0.81/1.09  5 double_divide(inverse(A),double_divide(inverse(double_divide(B,inverse(A))),double_divide(B,inverse(C)))) = C.  [para(2(a,1),2(a,1,1,1))].
% 0.81/1.09  6 double_divide(inverse(double_divide(inverse(double_divide(inverse(double_divide(inverse(double_divide(A,inverse(B))),C)),inverse(D))),double_divide(A,C))),B) = D.  [para(2(a,1),2(a,1,2))].
% 0.81/1.09  22 double_divide(inverse(double_divide(inverse(A),inverse(B))),A) = B.  [para(6(a,1),6(a,1,1,1,1,1)),rewrite([2(9)])].
% 0.81/1.09  25 double_divide(inverse(A),double_divide(inverse(B),B)) = A.  [para(22(a,1),2(a,1,1,1))].
% 0.81/1.09  35 double_divide(inverse(A),double_divide(inverse(inverse(B)),inverse(A))) = B.  [para(22(a,1),22(a,1,1,1))].
% 0.81/1.09  40 double_divide(inverse(double_divide(inverse(A),A)),inverse(B)) = B.  [para(25(a,1),22(a,1))].
% 0.81/1.09  63 double_divide(inverse(A),double_divide(inverse(A),B)) = B.  [para(40(a,1),5(a,1,2,1,1)),rewrite([40(7)])].
% 0.81/1.09  75 double_divide(inverse(A),A) = double_divide(inverse(B),B).  [para(25(a,1),63(a,1,2))].
% 0.81/1.09  76 double_divide(inverse(double_divide(inverse(A),A)),B) = inverse(B).  [para(40(a,1),63(a,1,2))].
% 0.81/1.09  93 double_divide(inverse(A),A) = c_0.  [new_symbol(75)].
% 0.81/1.09  96 double_divide(inverse(c_0),inverse(A)) = A.  [back_rewrite(40),rewrite([93(2)])].
% 0.81/1.09  97 double_divide(inverse(c_0),A) = inverse(A).  [back_rewrite(76),rewrite([93(2)])].
% 0.81/1.09  102 inverse(inverse(A)) = A.  [back_rewrite(96),rewrite([97(4)])].
% 0.81/1.09  114 double_divide(inverse(A),double_divide(B,inverse(A))) = B.  [back_rewrite(35),rewrite([102(3)])].
% 0.81/1.09  131 double_divide(A,double_divide(A,B)) = B.  [para(102(a,1),63(a,1,1)),rewrite([102(2)])].
% 0.81/1.09  159 double_divide(A,double_divide(B,A)) = B.  [para(102(a,1),114(a,1,1)),rewrite([102(2)])].
% 0.81/1.09  213 double_divide(A,B) = double_divide(B,A).  [para(159(a,1),131(a,1,2))].
% 0.81/1.09  231 $F # answer(prove_these_axioms_4).  [back_rewrite(4),rewrite([213(3)]),xx(a)].
% 0.81/1.09  
% 0.81/1.09  % SZS output end Refutation
% 0.81/1.09  ============================== end of proof ==========================
% 0.81/1.09  
% 0.81/1.09  ============================== STATISTICS ============================
% 0.81/1.09  
% 0.81/1.09  Given=24. Generated=428. Kept=229. proofs=1.
% 0.81/1.09  Usable=6. Sos=30. Demods=54. Limbo=18, Disabled=178. Hints=0.
% 0.81/1.09  Megabytes=0.29.
% 0.81/1.09  User_CPU=0.05, System_CPU=0.00, Wall_clock=0.
% 0.81/1.09  
% 0.81/1.09  ============================== end of statistics =====================
% 0.81/1.09  
% 0.81/1.09  ============================== end of search =========================
% 0.81/1.09  
% 0.81/1.09  THEOREM PROVED
% 0.81/1.09  % SZS status Unsatisfiable
% 0.81/1.09  
% 0.81/1.09  Exiting with 1 proof.
% 0.81/1.09  
% 0.81/1.09  Process 13295 exit (max_proofs) Tue Jun 14 06:07:43 2022
% 0.81/1.09  Prover9 interrupted
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