TSTP Solution File: GRP518-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP518-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n032.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 11:19:26 EDT 2022

% Result   : Unsatisfiable 0.54s 0.86s
% Output   : Refutation 0.54s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP518-1 : TPTP v8.1.0. Released v2.6.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.11/0.32  % Computer : n032.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Tue Jun 14 12:44:28 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.54/0.86  ============================== Prover9 ===============================
% 0.54/0.86  Prover9 (32) version 2009-11A, November 2009.
% 0.54/0.86  Process 30117 was started by sandbox on n032.cluster.edu,
% 0.54/0.86  Tue Jun 14 12:44:28 2022
% 0.54/0.86  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_29963_n032.cluster.edu".
% 0.54/0.86  ============================== end of head ===========================
% 0.54/0.86  
% 0.54/0.86  ============================== INPUT =================================
% 0.54/0.86  
% 0.54/0.86  % Reading from file /tmp/Prover9_29963_n032.cluster.edu
% 0.54/0.86  
% 0.54/0.86  set(prolog_style_variables).
% 0.54/0.86  set(auto2).
% 0.54/0.86      % set(auto2) -> set(auto).
% 0.54/0.86      % set(auto) -> set(auto_inference).
% 0.54/0.86      % set(auto) -> set(auto_setup).
% 0.54/0.86      % set(auto_setup) -> set(predicate_elim).
% 0.54/0.86      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.54/0.86      % set(auto) -> set(auto_limits).
% 0.54/0.86      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.54/0.86      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.54/0.86      % set(auto) -> set(auto_denials).
% 0.54/0.86      % set(auto) -> set(auto_process).
% 0.54/0.86      % set(auto2) -> assign(new_constants, 1).
% 0.54/0.86      % set(auto2) -> assign(fold_denial_max, 3).
% 0.54/0.86      % set(auto2) -> assign(max_weight, "200.000").
% 0.54/0.86      % set(auto2) -> assign(max_hours, 1).
% 0.54/0.86      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.54/0.86      % set(auto2) -> assign(max_seconds, 0).
% 0.54/0.86      % set(auto2) -> assign(max_minutes, 5).
% 0.54/0.86      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.54/0.86      % set(auto2) -> set(sort_initial_sos).
% 0.54/0.86      % set(auto2) -> assign(sos_limit, -1).
% 0.54/0.86      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.54/0.86      % set(auto2) -> assign(max_megs, 400).
% 0.54/0.86      % set(auto2) -> assign(stats, some).
% 0.54/0.86      % set(auto2) -> clear(echo_input).
% 0.54/0.86      % set(auto2) -> set(quiet).
% 0.54/0.86      % set(auto2) -> clear(print_initial_clauses).
% 0.54/0.86      % set(auto2) -> clear(print_given).
% 0.54/0.86  assign(lrs_ticks,-1).
% 0.54/0.86  assign(sos_limit,10000).
% 0.54/0.86  assign(order,kbo).
% 0.54/0.86  set(lex_order_vars).
% 0.54/0.86  clear(print_given).
% 0.54/0.86  
% 0.54/0.86  % formulas(sos).  % not echoed (2 formulas)
% 0.54/0.86  
% 0.54/0.86  ============================== end of input ==========================
% 0.54/0.86  
% 0.54/0.86  % From the command line: assign(max_seconds, 300).
% 0.54/0.86  
% 0.54/0.86  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.54/0.86  
% 0.54/0.86  % Formulas that are not ordinary clauses:
% 0.54/0.86  
% 0.54/0.86  ============================== end of process non-clausal formulas ===
% 0.54/0.86  
% 0.54/0.86  ============================== PROCESS INITIAL CLAUSES ===============
% 0.54/0.86  
% 0.54/0.86  ============================== PREDICATE ELIMINATION =================
% 0.54/0.86  
% 0.54/0.86  ============================== end predicate elimination =============
% 0.54/0.86  
% 0.54/0.86  Auto_denials:
% 0.54/0.86    % copying label prove_these_axioms_2 to answer in negative clause
% 0.54/0.86  
% 0.54/0.86  Term ordering decisions:
% 0.54/0.86  
% 0.54/0.86  % Assigning unary symbol inverse kb_weight 0 and highest precedence (5).
% 0.54/0.86  Function symbol KB weights:  a2=1. b2=1. multiply=1. inverse=0.
% 0.54/0.86  
% 0.54/0.86  ============================== end of process initial clauses ========
% 0.54/0.86  
% 0.54/0.86  ============================== CLAUSES FOR SEARCH ====================
% 0.54/0.86  
% 0.54/0.86  ============================== end of clauses for search =============
% 0.54/0.86  
% 0.54/0.86  ============================== SEARCH ================================
% 0.54/0.86  
% 0.54/0.86  % Starting search at 0.01 seconds.
% 0.54/0.86  
% 0.54/0.86  ============================== PROOF =================================
% 0.54/0.86  % SZS status Unsatisfiable
% 0.54/0.86  % SZS output start Refutation
% 0.54/0.86  
% 0.54/0.86  % Proof 1 at 0.02 (+ 0.00) seconds: prove_these_axioms_2.
% 0.54/0.86  % Length of proof is 17.
% 0.54/0.86  % Level of proof is 10.
% 0.54/0.86  % Maximum clause weight is 18.000.
% 0.54/0.86  % Given clauses 10.
% 0.54/0.86  
% 0.54/0.86  1 multiply(A,multiply(multiply(inverse(multiply(A,B)),C),B)) = C # label(single_axiom) # label(axiom).  [assumption].
% 0.54/0.86  2 multiply(multiply(inverse(b2),b2),a2) != a2 # label(prove_these_axioms_2) # label(negated_conjecture) # answer(prove_these_axioms_2).  [assumption].
% 0.54/0.86  3 multiply(A,multiply(multiply(inverse(B),C),multiply(multiply(inverse(multiply(A,D)),B),D))) = C.  [para(1(a,1),1(a,1,2,1,1,1))].
% 0.54/0.86  4 multiply(multiply(inverse(multiply(inverse(multiply(A,B)),C)),D),C) = multiply(A,multiply(D,B)).  [para(1(a,1),1(a,1,2,1)),flip(a)].
% 0.54/0.86  8 multiply(multiply(inverse(A),B),A) = B.  [para(1(a,1),3(a,1,2))].
% 0.54/0.86  12 multiply(multiply(inverse(multiply(inverse(A),B)),C),B) = multiply(C,A).  [para(1(a,1),8(a,1,1)),flip(a)].
% 0.54/0.86  13 multiply(multiply(inverse(A),B),multiply(multiply(inverse(C),D),multiply(multiply(inverse(B),C),A))) = D.  [para(8(a,1),3(a,1,2,2,1,1,1))].
% 0.54/0.86  14 multiply(multiply(inverse(A),B),multiply(A,C)) = multiply(B,C).  [para(3(a,1),8(a,1,1)),rewrite([12(8)]),flip(a)].
% 0.54/0.86  16 multiply(A,multiply(B,C)) = multiply(B,multiply(A,C)).  [back_rewrite(4),rewrite([12(6)])].
% 0.54/0.86  17 multiply(A,multiply(multiply(inverse(A),B),C)) = multiply(B,C).  [back_rewrite(14),rewrite([16(4)])].
% 0.54/0.86  23 multiply(multiply(A,B),C) = multiply(B,multiply(A,C)).  [para(1(a,1),17(a,1,2,1)),rewrite([12(7)]),flip(a)].
% 0.54/0.86  27 multiply(A,B) = multiply(B,A).  [para(8(a,1),17(a,1,2))].
% 0.54/0.86  32 multiply(A,multiply(B,multiply(C,inverse(A)))) = multiply(B,C).  [para(17(a,1),16(a,2)),rewrite([27(2),16(4),27(3),16(3)])].
% 0.54/0.86  39 multiply(A,multiply(B,inverse(A))) = B.  [back_rewrite(13),rewrite([27(2),27(4),27(6),27(7),16(8),16(7),23(6),16(6),27(5),32(7),16(6),16(5),27(4),16(4),27(3),16(5),32(5)])].
% 0.54/0.86  43 multiply(a2,multiply(b2,inverse(b2))) != a2 # answer(prove_these_axioms_2).  [back_rewrite(2),rewrite([27(4),27(6)])].
% 0.54/0.86  47 multiply(A,multiply(B,inverse(B))) = A.  [para(39(a,1),16(a,1)),flip(a)].
% 0.54/0.86  48 $F # answer(prove_these_axioms_2).  [resolve(47,a,43,a)].
% 0.54/0.86  
% 0.54/0.86  % SZS output end Refutation
% 0.54/0.86  ============================== end of proof ==========================
% 0.54/0.86  
% 0.54/0.86  ============================== STATISTICS ============================
% 0.54/0.86  
% 0.54/0.86  Given=10. Generated=121. Kept=47. proofs=1.
% 0.54/0.86  Usable=5. Sos=13. Demods=14. Limbo=0, Disabled=30. Hints=0.
% 0.54/0.86  Megabytes=0.07.
% 0.54/0.86  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.54/0.86  
% 0.54/0.86  ============================== end of statistics =====================
% 0.54/0.86  
% 0.54/0.86  ============================== end of search =========================
% 0.54/0.86  
% 0.54/0.86  THEOREM PROVED
% 0.54/0.86  % SZS status Unsatisfiable
% 0.54/0.86  
% 0.54/0.86  Exiting with 1 proof.
% 0.54/0.86  
% 0.54/0.86  Process 30117 exit (max_proofs) Tue Jun 14 12:44:28 2022
% 0.54/0.86  Prover9 interrupted
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