TSTP Solution File: GRP452-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n012.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 11:19:09 EDT 2022

% Result   : Unsatisfiable 0.44s 0.98s
% Output   : Refutation 0.44s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% 0.04/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n012.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 19:37:10 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.44/0.98  ============================== Prover9 ===============================
% 0.44/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.44/0.98  Process 2298 was started by sandbox2 on n012.cluster.edu,
% 0.44/0.98  Mon Jun 13 19:37:11 2022
% 0.44/0.98  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_2141_n012.cluster.edu".
% 0.44/0.98  ============================== end of head ===========================
% 0.44/0.98  
% 0.44/0.98  ============================== INPUT =================================
% 0.44/0.98  
% 0.44/0.98  % Reading from file /tmp/Prover9_2141_n012.cluster.edu
% 0.44/0.98  
% 0.44/0.98  set(prolog_style_variables).
% 0.44/0.98  set(auto2).
% 0.44/0.98      % set(auto2) -> set(auto).
% 0.44/0.98      % set(auto) -> set(auto_inference).
% 0.44/0.98      % set(auto) -> set(auto_setup).
% 0.44/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.44/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/0.98      % set(auto) -> set(auto_limits).
% 0.44/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/0.98      % set(auto) -> set(auto_denials).
% 0.44/0.98      % set(auto) -> set(auto_process).
% 0.44/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.44/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.44/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.44/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.44/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.44/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.44/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.44/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.44/0.98      % set(auto2) -> assign(stats, some).
% 0.44/0.98      % set(auto2) -> clear(echo_input).
% 0.44/0.98      % set(auto2) -> set(quiet).
% 0.44/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.44/0.98      % set(auto2) -> clear(print_given).
% 0.44/0.98  assign(lrs_ticks,-1).
% 0.44/0.98  assign(sos_limit,10000).
% 0.44/0.98  assign(order,kbo).
% 0.44/0.98  set(lex_order_vars).
% 0.44/0.98  clear(print_given).
% 0.44/0.98  
% 0.44/0.98  % formulas(sos).  % not echoed (4 formulas)
% 0.44/0.98  
% 0.44/0.98  ============================== end of input ==========================
% 0.44/0.98  
% 0.44/0.98  % From the command line: assign(max_seconds, 300).
% 0.44/0.98  
% 0.44/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/0.98  
% 0.44/0.98  % Formulas that are not ordinary clauses:
% 0.44/0.98  
% 0.44/0.98  ============================== end of process non-clausal formulas ===
% 0.44/0.98  
% 0.44/0.98  ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/0.98  
% 0.44/0.98  ============================== PREDICATE ELIMINATION =================
% 0.44/0.98  
% 0.44/0.98  ============================== end predicate elimination =============
% 0.44/0.98  
% 0.44/0.98  Auto_denials:
% 0.44/0.98    % copying label prove_these_axioms_2 to answer in negative clause
% 0.44/0.98  
% 0.44/0.98  Term ordering decisions:
% 0.44/0.98  
% 0.44/0.98  % Assigning unary symbol inverse kb_weight 0 and highest precedence (6).
% 0.44/0.98  Function symbol KB weights:  a2=1. b2=1. divide=1. multiply=1. inverse=0.
% 0.44/0.98  
% 0.44/0.98  ============================== end of process initial clauses ========
% 0.44/0.98  
% 0.44/0.98  ============================== CLAUSES FOR SEARCH ====================
% 0.44/0.98  
% 0.44/0.98  ============================== end of clauses for search =============
% 0.44/0.98  
% 0.44/0.98  ============================== SEARCH ================================
% 0.44/0.98  
% 0.44/0.98  % Starting search at 0.01 seconds.
% 0.44/0.98  
% 0.44/0.98  ============================== PROOF =================================
% 0.44/0.98  % SZS status Unsatisfiable
% 0.44/0.98  % SZS output start Refutation
% 0.44/0.98  
% 0.44/0.98  % Proof 1 at 0.02 (+ 0.00) seconds: prove_these_axioms_2.
% 0.44/0.98  % Length of proof is 25.
% 0.44/0.98  % Level of proof is 13.
% 0.44/0.98  % Maximum clause weight is 13.000.
% 0.44/0.98  % Given clauses 17.
% 0.44/0.98  
% 0.44/0.98  1 inverse(A) = divide(divide(B,B),A) # label(inverse) # label(axiom).  [assumption].
% 0.44/0.98  2 divide(divide(A,A),B) = inverse(B).  [copy(1),flip(a)].
% 0.44/0.98  3 multiply(A,B) = divide(A,divide(divide(C,C),B)) # label(multiply) # label(axiom).  [assumption].
% 0.44/0.98  4 multiply(A,B) = divide(A,inverse(B)).  [copy(3),rewrite([2(3)])].
% 0.44/0.98  5 divide(divide(divide(A,A),divide(A,divide(B,divide(divide(divide(A,A),A),C)))),C) = B # label(single_axiom) # label(axiom).  [assumption].
% 0.44/0.98  6 divide(inverse(divide(A,divide(B,divide(inverse(A),C)))),C) = B.  [copy(5),rewrite([2(3),2(6)])].
% 0.44/0.98  7 multiply(multiply(inverse(b2),b2),a2) != a2 # label(prove_these_axioms_2) # label(negated_conjecture) # answer(prove_these_axioms_2).  [assumption].
% 0.44/0.98  8 inverse(inverse(a2)) != a2 # answer(prove_these_axioms_2).  [copy(7),rewrite([4(4),4(7),2(8)])].
% 0.44/0.98  9 divide(inverse(divide(A,A)),B) = inverse(B).  [para(2(a,1),2(a,1,1))].
% 0.44/0.98  11 divide(inverse(inverse(divide(A,inverse(B)))),B) = A.  [para(2(a,1),6(a,1,1,1)),rewrite([9(3)])].
% 0.44/0.98  17 divide(inverse(inverse(inverse(inverse(A)))),A) = divide(B,B).  [para(2(a,1),11(a,1,1,1,1))].
% 0.44/0.98  21 inverse(divide(A,A)) = divide(inverse(inverse(inverse(inverse(B)))),B).  [para(9(a,1),11(a,1,1,1,1)),flip(a)].
% 0.44/0.98  23 divide(inverse(inverse(inverse(inverse(A)))),A) = c_0.  [new_symbol(17)].
% 0.44/0.98  24 inverse(divide(A,A)) = c_0.  [back_rewrite(21),rewrite([23(7)])].
% 0.44/0.98  25 divide(A,A) = c_0.  [back_rewrite(17),rewrite([23(5)]),flip(a)].
% 0.44/0.98  30 inverse(c_0) = c_0.  [back_rewrite(24),rewrite([25(1)])].
% 0.44/0.98  31 divide(c_0,A) = inverse(A).  [back_rewrite(2),rewrite([25(1)])].
% 0.44/0.98  33 divide(inverse(inverse(divide(A,c_0))),c_0) = A.  [para(30(a,1),11(a,1,1,1,1,2))].
% 0.44/0.98  34 divide(inverse(divide(A,divide(B,c_0))),inverse(A)) = B.  [para(25(a,1),6(a,1,1,1,2,2))].
% 0.44/0.98  49 inverse(inverse(divide(A,c_0))) = divide(inverse(inverse(A)),c_0).  [para(11(a,1),33(a,1,1,1,1)),rewrite([30(6)]),flip(a)].
% 0.44/0.98  61 divide(inverse(divide(A,B)),inverse(A)) = divide(inverse(inverse(B)),c_0).  [para(11(a,1),34(a,1,1,1,2)),rewrite([30(6),49(8)])].
% 0.44/0.98  63 divide(inverse(inverse(A)),c_0) = A.  [para(25(a,1),34(a,1,1,1)),rewrite([30(2),31(5),49(4)])].
% 0.44/0.98  64 divide(A,c_0) = A.  [para(31(a,1),34(a,1,1,1)),rewrite([49(4),63(4),30(2)])].
% 0.44/0.98  67 inverse(inverse(A)) = A.  [back_rewrite(34),rewrite([64(2),61(4),64(4)])].
% 0.44/0.98  68 $F # answer(prove_these_axioms_2).  [resolve(67,a,8,a)].
% 0.44/0.98  
% 0.44/0.98  % SZS output end Refutation
% 0.44/0.98  ============================== end of proof ==========================
% 0.44/0.98  
% 0.44/0.98  ============================== STATISTICS ============================
% 0.44/0.98  
% 0.44/0.98  Given=17. Generated=178. Kept=63. proofs=1.
% 0.44/0.98  Usable=7. Sos=18. Demods=31. Limbo=7, Disabled=34. Hints=0.
% 0.44/0.98  Megabytes=0.08.
% 0.44/0.98  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.44/0.98  
% 0.44/0.98  ============================== end of statistics =====================
% 0.44/0.98  
% 0.44/0.98  ============================== end of search =========================
% 0.44/0.98  
% 0.44/0.98  THEOREM PROVED
% 0.44/0.98  % SZS status Unsatisfiable
% 0.44/0.98  
% 0.44/0.98  Exiting with 1 proof.
% 0.44/0.98  
% 0.44/0.98  Process 2298 exit (max_proofs) Mon Jun 13 19:37:11 2022
% 0.44/0.98  Prover9 interrupted
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