TSTP Solution File: GRP521-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP521-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n008.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 11:19:27 EDT 2022

% Result   : Unsatisfiable 0.41s 0.95s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP521-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n008.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jun 13 08:47:22 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.41/0.95  ============================== Prover9 ===============================
% 0.41/0.95  Prover9 (32) version 2009-11A, November 2009.
% 0.41/0.95  Process 5379 was started by sandbox2 on n008.cluster.edu,
% 0.41/0.95  Mon Jun 13 08:47:23 2022
% 0.41/0.95  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_5226_n008.cluster.edu".
% 0.41/0.95  ============================== end of head ===========================
% 0.41/0.95  
% 0.41/0.95  ============================== INPUT =================================
% 0.41/0.95  
% 0.41/0.95  % Reading from file /tmp/Prover9_5226_n008.cluster.edu
% 0.41/0.95  
% 0.41/0.95  set(prolog_style_variables).
% 0.41/0.95  set(auto2).
% 0.41/0.95      % set(auto2) -> set(auto).
% 0.41/0.95      % set(auto) -> set(auto_inference).
% 0.41/0.95      % set(auto) -> set(auto_setup).
% 0.41/0.95      % set(auto_setup) -> set(predicate_elim).
% 0.41/0.95      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.41/0.95      % set(auto) -> set(auto_limits).
% 0.41/0.95      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.41/0.95      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.41/0.95      % set(auto) -> set(auto_denials).
% 0.41/0.95      % set(auto) -> set(auto_process).
% 0.41/0.95      % set(auto2) -> assign(new_constants, 1).
% 0.41/0.95      % set(auto2) -> assign(fold_denial_max, 3).
% 0.41/0.95      % set(auto2) -> assign(max_weight, "200.000").
% 0.41/0.95      % set(auto2) -> assign(max_hours, 1).
% 0.41/0.95      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.41/0.95      % set(auto2) -> assign(max_seconds, 0).
% 0.41/0.95      % set(auto2) -> assign(max_minutes, 5).
% 0.41/0.95      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.41/0.95      % set(auto2) -> set(sort_initial_sos).
% 0.41/0.95      % set(auto2) -> assign(sos_limit, -1).
% 0.41/0.95      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.41/0.95      % set(auto2) -> assign(max_megs, 400).
% 0.41/0.95      % set(auto2) -> assign(stats, some).
% 0.41/0.95      % set(auto2) -> clear(echo_input).
% 0.41/0.95      % set(auto2) -> set(quiet).
% 0.41/0.95      % set(auto2) -> clear(print_initial_clauses).
% 0.41/0.95      % set(auto2) -> clear(print_given).
% 0.41/0.95  assign(lrs_ticks,-1).
% 0.41/0.95  assign(sos_limit,10000).
% 0.41/0.95  assign(order,kbo).
% 0.41/0.95  set(lex_order_vars).
% 0.41/0.95  clear(print_given).
% 0.41/0.95  
% 0.41/0.95  % formulas(sos).  % not echoed (4 formulas)
% 0.41/0.95  
% 0.41/0.95  ============================== end of input ==========================
% 0.41/0.95  
% 0.41/0.95  % From the command line: assign(max_seconds, 300).
% 0.41/0.95  
% 0.41/0.95  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.41/0.95  
% 0.41/0.95  % Formulas that are not ordinary clauses:
% 0.41/0.95  
% 0.41/0.95  ============================== end of process non-clausal formulas ===
% 0.41/0.95  
% 0.41/0.95  ============================== PROCESS INITIAL CLAUSES ===============
% 0.41/0.95  
% 0.41/0.95  ============================== PREDICATE ELIMINATION =================
% 0.41/0.95  
% 0.41/0.95  ============================== end predicate elimination =============
% 0.41/0.95  
% 0.41/0.95  Auto_denials:
% 0.41/0.95    % copying label prove_these_axioms_1 to answer in negative clause
% 0.41/0.95  
% 0.41/0.95  Term ordering decisions:
% 0.41/0.95  
% 0.41/0.95  % Assigning unary symbol inverse kb_weight 0 and highest precedence (6).
% 0.41/0.95  Function symbol KB weights:  a1=1. b1=1. divide=1. multiply=1. inverse=0.
% 0.41/0.95  
% 0.41/0.95  ============================== end of process initial clauses ========
% 0.41/0.95  
% 0.41/0.95  ============================== CLAUSES FOR SEARCH ====================
% 0.41/0.95  
% 0.41/0.95  ============================== end of clauses for search =============
% 0.41/0.95  
% 0.41/0.95  ============================== SEARCH ================================
% 0.41/0.95  
% 0.41/0.95  % Starting search at 0.01 seconds.
% 0.41/0.95  
% 0.41/0.95  ============================== PROOF =================================
% 0.41/0.95  % SZS status Unsatisfiable
% 0.41/0.95  % SZS output start Refutation
% 0.41/0.95  
% 0.41/0.95  % Proof 1 at 0.01 (+ 0.00) seconds: prove_these_axioms_1.
% 0.41/0.95  % Length of proof is 12.
% 0.41/0.95  % Level of proof is 6.
% 0.41/0.95  % Maximum clause weight is 11.000.
% 0.41/0.95  % Given clauses 6.
% 0.41/0.95  
% 0.41/0.95  1 inverse(A) = divide(divide(B,B),A) # label(inverse) # label(axiom).  [assumption].
% 0.41/0.95  2 divide(divide(A,A),B) = inverse(B).  [copy(1),flip(a)].
% 0.41/0.95  3 divide(A,divide(B,divide(C,divide(A,B)))) = C # label(single_axiom) # label(axiom).  [assumption].
% 0.41/0.95  4 multiply(A,B) = divide(A,divide(divide(C,C),B)) # label(multiply) # label(axiom).  [assumption].
% 0.41/0.95  5 multiply(A,B) = divide(A,inverse(B)).  [copy(4),rewrite([2(3)])].
% 0.41/0.95  6 multiply(inverse(a1),a1) != multiply(inverse(b1),b1) # label(prove_these_axioms_1) # label(negated_conjecture) # answer(prove_these_axioms_1).  [assumption].
% 0.41/0.95  7 divide(inverse(b1),inverse(b1)) != divide(inverse(a1),inverse(a1)) # answer(prove_these_axioms_1).  [copy(6),rewrite([5(4),5(9)]),flip(a)].
% 0.41/0.95  9 inverse(divide(A,divide(B,inverse(A)))) = B.  [para(3(a,1),2(a,1)),rewrite([2(2)]),flip(a)].
% 0.41/0.95  18 inverse(divide(A,inverse(inverse(A)))) = divide(B,B).  [para(2(a,1),9(a,1,1,2))].
% 0.41/0.95  23 inverse(divide(A,inverse(inverse(A)))) = c_0.  [new_symbol(18)].
% 0.41/0.95  25 divide(A,A) = c_0.  [back_rewrite(18),rewrite([23(4)]),flip(a)].
% 0.41/0.95  35 $F # answer(prove_these_axioms_1).  [back_rewrite(7),rewrite([25(5),25(6)]),xx(a)].
% 0.41/0.95  
% 0.41/0.95  % SZS output end Refutation
% 0.41/0.95  ============================== end of proof ==========================
% 0.41/0.95  
% 0.41/0.95  ============================== STATISTICS ============================
% 0.41/0.95  
% 0.41/0.95  Given=6. Generated=52. Kept=31. proofs=1.
% 0.41/0.95  Usable=4. Sos=4. Demods=18. Limbo=10, Disabled=17. Hints=0.
% 0.41/0.95  Megabytes=0.05.
% 0.41/0.95  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.41/0.95  
% 0.41/0.95  ============================== end of statistics =====================
% 0.41/0.95  
% 0.41/0.95  ============================== end of search =========================
% 0.41/0.95  
% 0.41/0.95  THEOREM PROVED
% 0.41/0.95  % SZS status Unsatisfiable
% 0.41/0.95  
% 0.41/0.95  Exiting with 1 proof.
% 0.41/0.95  
% 0.41/0.95  Process 5379 exit (max_proofs) Mon Jun 13 08:47:23 2022
% 0.41/0.95  Prover9 interrupted
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