TSTP Solution File: GRP069-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP069-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 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 11:17:02 EDT 2022

% Result   : Unsatisfiable 0.48s 1.05s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : GRP069-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 0.11/0.14  % 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 : Tue Jun 14 03:23:57 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.48/1.05  ============================== Prover9 ===============================
% 0.48/1.05  Prover9 (32) version 2009-11A, November 2009.
% 0.48/1.05  Process 32583 was started by sandbox2 on n021.cluster.edu,
% 0.48/1.05  Tue Jun 14 03:23:58 2022
% 0.48/1.05  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_32430_n021.cluster.edu".
% 0.48/1.05  ============================== end of head ===========================
% 0.48/1.05  
% 0.48/1.05  ============================== INPUT =================================
% 0.48/1.05  
% 0.48/1.05  % Reading from file /tmp/Prover9_32430_n021.cluster.edu
% 0.48/1.05  
% 0.48/1.05  set(prolog_style_variables).
% 0.48/1.05  set(auto2).
% 0.48/1.05      % set(auto2) -> set(auto).
% 0.48/1.05      % set(auto) -> set(auto_inference).
% 0.48/1.05      % set(auto) -> set(auto_setup).
% 0.48/1.05      % set(auto_setup) -> set(predicate_elim).
% 0.48/1.05      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.48/1.05      % set(auto) -> set(auto_limits).
% 0.48/1.05      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.48/1.05      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.48/1.05      % set(auto) -> set(auto_denials).
% 0.48/1.05      % set(auto) -> set(auto_process).
% 0.48/1.05      % set(auto2) -> assign(new_constants, 1).
% 0.48/1.05      % set(auto2) -> assign(fold_denial_max, 3).
% 0.48/1.05      % set(auto2) -> assign(max_weight, "200.000").
% 0.48/1.05      % set(auto2) -> assign(max_hours, 1).
% 0.48/1.05      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.48/1.05      % set(auto2) -> assign(max_seconds, 0).
% 0.48/1.05      % set(auto2) -> assign(max_minutes, 5).
% 0.48/1.05      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.48/1.05      % set(auto2) -> set(sort_initial_sos).
% 0.48/1.05      % set(auto2) -> assign(sos_limit, -1).
% 0.48/1.05      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.48/1.05      % set(auto2) -> assign(max_megs, 400).
% 0.48/1.05      % set(auto2) -> assign(stats, some).
% 0.48/1.05      % set(auto2) -> clear(echo_input).
% 0.48/1.05      % set(auto2) -> set(quiet).
% 0.48/1.05      % set(auto2) -> clear(print_initial_clauses).
% 0.48/1.05      % set(auto2) -> clear(print_given).
% 0.48/1.05  assign(lrs_ticks,-1).
% 0.48/1.05  assign(sos_limit,10000).
% 0.48/1.05  assign(order,kbo).
% 0.48/1.05  set(lex_order_vars).
% 0.48/1.05  clear(print_given).
% 0.48/1.05  
% 0.48/1.05  % formulas(sos).  % not echoed (5 formulas)
% 0.48/1.05  
% 0.48/1.05  ============================== end of input ==========================
% 0.48/1.05  
% 0.48/1.05  % From the command line: assign(max_seconds, 300).
% 0.48/1.05  
% 0.48/1.05  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.48/1.05  
% 0.48/1.05  % Formulas that are not ordinary clauses:
% 0.48/1.05  
% 0.48/1.05  ============================== end of process non-clausal formulas ===
% 0.48/1.05  
% 0.48/1.05  ============================== PROCESS INITIAL CLAUSES ===============
% 0.48/1.05  
% 0.48/1.05  ============================== PREDICATE ELIMINATION =================
% 0.48/1.05  
% 0.48/1.05  ============================== end predicate elimination =============
% 0.48/1.05  
% 0.48/1.05  Auto_denials:
% 0.48/1.05    % copying label prove_these_axioms to answer in negative clause
% 0.48/1.05  
% 0.48/1.05  Term ordering decisions:
% 0.48/1.05  
% 0.48/1.05  % Assigning unary symbol inverse kb_weight 0 and highest precedence (10).
% 0.48/1.05  Function symbol KB weights:  identity=1. a1=1. a2=1. a3=1. b3=1. c3=1. divide=1. multiply=1. inverse=0.
% 0.48/1.05  
% 0.48/1.05  ============================== end of process initial clauses ========
% 0.48/1.05  
% 0.48/1.05  ============================== CLAUSES FOR SEARCH ====================
% 0.48/1.05  
% 0.48/1.05  ============================== end of clauses for search =============
% 0.48/1.05  
% 0.48/1.05  ============================== SEARCH ================================
% 0.48/1.05  
% 0.48/1.05  % Starting search at 0.01 seconds.
% 0.48/1.05  
% 0.48/1.05  ============================== PROOF =================================
% 0.48/1.05  % SZS status Unsatisfiable
% 0.48/1.05  % SZS output start Refutation
% 0.48/1.05  
% 0.48/1.05  % Proof 1 at 0.03 (+ 0.00) seconds: prove_these_axioms.
% 0.48/1.05  % Length of proof is 31.
% 0.48/1.05  % Level of proof is 15.
% 0.48/1.05  % Maximum clause weight is 26.000.
% 0.48/1.05  % Given clauses 30.
% 0.48/1.05  
% 0.48/1.05  1 identity = divide(A,A) # label(identity) # label(axiom).  [assumption].
% 0.48/1.05  2 divide(A,A) = identity.  [copy(1),flip(a)].
% 0.48/1.05  3 inverse(A) = divide(identity,A) # label(inverse) # label(axiom).  [assumption].
% 0.48/1.05  4 multiply(A,B) = divide(A,divide(identity,B)) # label(multiply) # label(axiom).  [assumption].
% 0.48/1.05  5 divide(A,divide(divide(divide(divide(A,A),B),C),divide(divide(identity,A),C))) = B # label(single_axiom) # label(axiom).  [assumption].
% 0.48/1.05  6 divide(A,divide(divide(divide(identity,B),C),divide(divide(identity,A),C))) = B.  [copy(5),rewrite([2(1)])].
% 0.48/1.05  7 multiply(inverse(a1),a1) != identity | multiply(identity,a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # label(prove_these_axioms) # label(negated_conjecture) # answer(prove_these_axioms).  [assumption].
% 0.48/1.05  8 divide(identity,divide(identity,a2)) != a2 | divide(divide(a3,divide(identity,b3)),divide(identity,c3)) != divide(a3,divide(identity,divide(b3,divide(identity,c3)))) # answer(prove_these_axioms).  [copy(7),rewrite([3(2),4(5),2(7),4(6),4(13),4(17),4(23),4(26)]),xx(a)].
% 0.48/1.05  9 divide(A,divide(divide(identity,B),divide(divide(identity,A),B))) = identity.  [para(2(a,1),6(a,1,2,1,1))].
% 0.48/1.05  10 divide(A,divide(identity,divide(divide(identity,A),divide(identity,B)))) = B.  [para(2(a,1),6(a,1,2,1))].
% 0.48/1.05  12 divide(A,divide(divide(divide(identity,B),divide(identity,A)),identity)) = B.  [para(2(a,1),6(a,1,2,2))].
% 0.48/1.05  13 divide(A,identity) = A.  [para(2(a,1),6(a,1,2))].
% 0.48/1.05  18 divide(A,divide(divide(identity,B),divide(identity,A))) = B.  [back_rewrite(12),rewrite([13(7)])].
% 0.48/1.05  19 divide(A,divide(identity,divide(identity,A))) = identity.  [para(2(a,1),9(a,1,2,1)),rewrite([13(5)])].
% 0.48/1.05  24 divide(A,divide(divide(identity,divide(divide(divide(identity,B),C),divide(divide(identity,divide(identity,A)),C))),B)) = identity.  [para(6(a,1),9(a,1,2,2))].
% 0.48/1.05  26 divide(identity,divide(identity,A)) = A.  [para(19(a,1),6(a,1,2,1)),rewrite([10(12)])].
% 0.48/1.05  29 divide(A,divide(divide(identity,divide(divide(divide(identity,B),C),divide(A,C))),B)) = identity.  [back_rewrite(24),rewrite([26(8)])].
% 0.48/1.05  34 divide(divide(a3,divide(identity,b3)),divide(identity,c3)) != divide(a3,divide(identity,divide(b3,divide(identity,c3)))) # answer(prove_these_axioms).  [back_rewrite(8),rewrite([26(5)]),xx(a)].
% 0.48/1.05  39 divide(A,divide(B,divide(identity,A))) = divide(identity,B).  [para(26(a,1),18(a,1,2,1))].
% 0.48/1.05  44 divide(divide(identity,A),divide(B,A)) = divide(identity,B).  [para(26(a,1),39(a,1,2,2))].
% 0.48/1.05  46 divide(divide(identity,divide(A,B)),divide(identity,A)) = B.  [para(44(a,1),44(a,1,2)),rewrite([26(10)])].
% 0.48/1.05  48 divide(A,divide(divide(A,divide(identity,B)),B)) = identity.  [para(2(a,1),29(a,1,2,1,2,1)),rewrite([26(7)])].
% 0.48/1.05  56 divide(A,divide(divide(identity,divide(B,divide(A,divide(identity,C)))),divide(C,B))) = identity.  [para(46(a,1),29(a,1,2,1,2,1))].
% 0.48/1.05  63 divide(divide(A,divide(identity,B)),B) = A.  [para(48(a,1),46(a,1,1,2)),rewrite([2(3),26(4)]),flip(a)].
% 0.48/1.05  66 divide(identity,divide(A,B)) = divide(B,A).  [para(63(a,1),39(a,1,2)),rewrite([26(6)]),flip(a)].
% 0.48/1.05  71 divide(A,divide(divide(divide(A,divide(identity,B)),C),divide(B,C))) = identity.  [back_rewrite(56),rewrite([66(6)])].
% 0.48/1.05  77 divide(divide(a3,divide(identity,b3)),divide(identity,c3)) != divide(a3,divide(divide(identity,c3),b3)) # answer(prove_these_axioms).  [back_rewrite(34),rewrite([66(17)])].
% 0.48/1.05  107 divide(divide(A,B),divide(divide(A,C),divide(B,C))) = identity.  [para(63(a,1),71(a,1,2,1,1)),rewrite([66(4),13(2)])].
% 0.48/1.05  132 divide(divide(A,B),divide(C,B)) = divide(A,C).  [para(107(a,1),44(a,1,2)),rewrite([66(5),13(5),66(6)])].
% 0.48/1.05  155 divide(divide(A,divide(identity,B)),C) = divide(A,divide(C,B)).  [para(63(a,1),132(a,1,1)),flip(a)].
% 0.48/1.05  156 $F # answer(prove_these_axioms).  [resolve(155,a,77,a)].
% 0.48/1.05  
% 0.48/1.05  % SZS output end Refutation
% 0.48/1.05  ============================== end of proof ==========================
% 0.48/1.05  
% 0.48/1.05  ============================== STATISTICS ============================
% 0.48/1.05  
% 0.48/1.05  Given=30. Generated=803. Kept=152. proofs=1.
% 0.48/1.05  Usable=11. Sos=43. Demods=55. Limbo=2, Disabled=100. Hints=0.
% 0.48/1.05  Megabytes=0.17.
% 0.48/1.05  User_CPU=0.03, System_CPU=0.00, Wall_clock=0.
% 0.48/1.05  
% 0.48/1.05  ============================== end of statistics =====================
% 0.48/1.05  
% 0.48/1.05  ============================== end of search =========================
% 0.48/1.05  
% 0.48/1.05  THEOREM PROVED
% 0.48/1.05  % SZS status Unsatisfiable
% 0.48/1.05  
% 0.48/1.05  Exiting with 1 proof.
% 0.48/1.05  
% 0.48/1.05  Process 32583 exit (max_proofs) Tue Jun 14 03:23:58 2022
% 0.48/1.05  Prover9 interrupted
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