TSTP Solution File: GRP093-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP093-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 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 11:17:07 EDT 2022

% Result   : Unsatisfiable 0.57s 0.85s
% Output   : Refutation 0.57s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP093-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.03/0.11  % Command  : tptp2X_and_run_prover9 %d %s
% 0.11/0.31  % Computer : n032.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Tue Jun 14 07:42:57 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.57/0.85  ============================== Prover9 ===============================
% 0.57/0.85  Prover9 (32) version 2009-11A, November 2009.
% 0.57/0.85  Process 8260 was started by sandbox on n032.cluster.edu,
% 0.57/0.85  Tue Jun 14 07:42:58 2022
% 0.57/0.85  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_8105_n032.cluster.edu".
% 0.57/0.85  ============================== end of head ===========================
% 0.57/0.85  
% 0.57/0.85  ============================== INPUT =================================
% 0.57/0.85  
% 0.57/0.85  % Reading from file /tmp/Prover9_8105_n032.cluster.edu
% 0.57/0.85  
% 0.57/0.85  set(prolog_style_variables).
% 0.57/0.85  set(auto2).
% 0.57/0.85      % set(auto2) -> set(auto).
% 0.57/0.85      % set(auto) -> set(auto_inference).
% 0.57/0.85      % set(auto) -> set(auto_setup).
% 0.57/0.85      % set(auto_setup) -> set(predicate_elim).
% 0.57/0.85      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.57/0.85      % set(auto) -> set(auto_limits).
% 0.57/0.85      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.57/0.85      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.57/0.85      % set(auto) -> set(auto_denials).
% 0.57/0.85      % set(auto) -> set(auto_process).
% 0.57/0.85      % set(auto2) -> assign(new_constants, 1).
% 0.57/0.85      % set(auto2) -> assign(fold_denial_max, 3).
% 0.57/0.85      % set(auto2) -> assign(max_weight, "200.000").
% 0.57/0.85      % set(auto2) -> assign(max_hours, 1).
% 0.57/0.85      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.57/0.85      % set(auto2) -> assign(max_seconds, 0).
% 0.57/0.85      % set(auto2) -> assign(max_minutes, 5).
% 0.57/0.85      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.57/0.85      % set(auto2) -> set(sort_initial_sos).
% 0.57/0.85      % set(auto2) -> assign(sos_limit, -1).
% 0.57/0.85      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.57/0.85      % set(auto2) -> assign(max_megs, 400).
% 0.57/0.85      % set(auto2) -> assign(stats, some).
% 0.57/0.85      % set(auto2) -> clear(echo_input).
% 0.57/0.85      % set(auto2) -> set(quiet).
% 0.57/0.85      % set(auto2) -> clear(print_initial_clauses).
% 0.57/0.85      % set(auto2) -> clear(print_given).
% 0.57/0.85  assign(lrs_ticks,-1).
% 0.57/0.85  assign(sos_limit,10000).
% 0.57/0.85  assign(order,kbo).
% 0.57/0.85  set(lex_order_vars).
% 0.57/0.85  clear(print_given).
% 0.57/0.85  
% 0.57/0.85  % formulas(sos).  % not echoed (5 formulas)
% 0.57/0.85  
% 0.57/0.85  ============================== end of input ==========================
% 0.57/0.85  
% 0.57/0.85  % From the command line: assign(max_seconds, 300).
% 0.57/0.85  
% 0.57/0.85  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.57/0.85  
% 0.57/0.85  % Formulas that are not ordinary clauses:
% 0.57/0.85  
% 0.57/0.85  ============================== end of process non-clausal formulas ===
% 0.57/0.85  
% 0.57/0.85  ============================== PROCESS INITIAL CLAUSES ===============
% 0.57/0.85  
% 0.57/0.85  ============================== PREDICATE ELIMINATION =================
% 0.57/0.85  
% 0.57/0.85  ============================== end predicate elimination =============
% 0.57/0.85  
% 0.57/0.85  Auto_denials:
% 0.57/0.85    % copying label prove_these_axioms to answer in negative clause
% 0.57/0.85  
% 0.57/0.85  Term ordering decisions:
% 0.57/0.85  
% 0.57/0.85  % Assigning unary symbol inverse kb_weight 0 and highest precedence (14).
% 0.57/0.85  Function symbol KB weights:  identity=1. a1=1. a2=1. a3=1. a4=1. b1=1. b2=1. b3=1. b4=1. c3=1. divide=1. multiply=1. inverse=0.
% 0.57/0.85  
% 0.57/0.85  ============================== end of process initial clauses ========
% 0.57/0.85  
% 0.57/0.85  ============================== CLAUSES FOR SEARCH ====================
% 0.57/0.85  
% 0.57/0.85  ============================== end of clauses for search =============
% 0.57/0.85  
% 0.57/0.85  ============================== SEARCH ================================
% 0.57/0.85  
% 0.57/0.85  % Starting search at 0.01 seconds.
% 0.57/0.85  
% 0.57/0.85  ============================== PROOF =================================
% 0.57/0.85  % SZS status Unsatisfiable
% 0.57/0.85  % SZS output start Refutation
% 0.57/0.85  
% 0.57/0.85  % Proof 1 at 0.02 (+ 0.00) seconds: prove_these_axioms.
% 0.57/0.85  % Length of proof is 35.
% 0.57/0.85  % Level of proof is 10.
% 0.57/0.85  % Maximum clause weight is 37.000.
% 0.57/0.85  % Given clauses 23.
% 0.57/0.85  
% 0.57/0.85  1 identity = divide(A,A) # label(identity) # label(axiom).  [assumption].
% 0.57/0.85  2 divide(A,A) = identity.  [copy(1),flip(a)].
% 0.57/0.85  3 inverse(A) = divide(identity,A) # label(inverse) # label(axiom).  [assumption].
% 0.57/0.85  4 multiply(A,B) = divide(A,divide(identity,B)) # label(multiply) # label(axiom).  [assumption].
% 0.57/0.85  5 divide(divide(identity,divide(divide(divide(A,B),C),A)),C) = B # label(single_axiom) # label(axiom).  [assumption].
% 0.57/0.85  6 multiply(inverse(a1),a1) != multiply(inverse(b1),b1) | multiply(multiply(inverse(b2),b2),a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) | multiply(a4,b4) != multiply(b4,a4) # label(prove_these_axioms) # label(negated_conjecture) # answer(prove_these_axioms).  [assumption].
% 0.57/0.85  7 divide(identity,divide(identity,a2)) != a2 | divide(divide(a3,divide(identity,b3)),divide(identity,c3)) != divide(a3,divide(identity,divide(b3,divide(identity,c3)))) | divide(b4,divide(identity,a4)) != divide(a4,divide(identity,b4)) # answer(prove_these_axioms).  [copy(6),rewrite([3(2),4(5),2(7),3(3),4(6),2(8),3(5),4(8),2(10),4(6),4(13),4(17),4(23),4(26),4(32),4(37)]),flip(d),xx(a)].
% 0.57/0.85  8 divide(divide(identity,divide(divide(identity,A),B)),A) = B.  [para(2(a,1),5(a,1,1,2,1,1))].
% 0.57/0.85  9 divide(divide(identity,divide(identity,A)),divide(A,B)) = B.  [para(2(a,1),5(a,1,1,2,1))].
% 0.57/0.85  11 divide(divide(divide(A,B),C),A) = divide(divide(identity,divide(B,identity)),C).  [para(5(a,1),5(a,1,1,2,1)),flip(a)].
% 0.57/0.85  14 divide(divide(identity,divide(A,identity)),B) = divide(divide(identity,B),A).  [para(8(a,1),5(a,1,1,2,1))].
% 0.57/0.85  16 divide(divide(identity,A),divide(divide(identity,B),A)) = B.  [para(8(a,1),8(a,1,1,2))].
% 0.57/0.85  17 divide(divide(divide(A,B),C),A) = divide(divide(identity,C),B).  [back_rewrite(11),rewrite([14(8)])].
% 0.57/0.85  18 divide(identity,divide(identity,A)) = A.  [para(2(a,1),9(a,1,1,2)),rewrite([2(3)])].
% 0.57/0.85  19 divide(A,identity) = A.  [para(2(a,1),9(a,1,2)),rewrite([18(4)])].
% 0.57/0.85  20 divide(divide(identity,A),divide(identity,B)) = divide(B,A).  [para(9(a,1),8(a,1,1,2))].
% 0.57/0.85  22 divide(A,divide(A,B)) = B.  [back_rewrite(9),rewrite([18(4)])].
% 0.57/0.85  23 divide(divide(a3,divide(identity,b3)),divide(identity,c3)) != divide(a3,divide(identity,divide(b3,divide(identity,c3)))) | divide(b4,divide(identity,a4)) != divide(a4,divide(identity,b4)) # answer(prove_these_axioms).  [back_rewrite(7),rewrite([22(5)]),xx(a)].
% 0.57/0.85  24 divide(divide(identity,A),B) = divide(divide(identity,B),A).  [back_rewrite(14),rewrite([19(3)])].
% 0.57/0.85  26 divide(divide(identity,A),divide(B,A)) = divide(identity,B).  [para(22(a,1),16(a,1,2,1))].
% 0.57/0.85  27 divide(A,divide(identity,B)) = divide(B,divide(identity,A)).  [para(22(a,1),20(a,1,1))].
% 0.57/0.85  28 divide(c3,divide(identity,divide(a3,divide(identity,b3)))) != divide(a3,divide(identity,divide(b3,divide(identity,c3)))) # answer(prove_these_axioms).  [back_rewrite(23),rewrite([27(9),27(24)]),xx(b)].
% 0.57/0.85  29 divide(divide(A,B),A) = divide(identity,B).  [para(2(a,1),17(a,2,1)),rewrite([19(3)])].
% 0.57/0.85  32 divide(divide(identity,A),divide(B,C)) = divide(divide(C,A),B).  [para(22(a,1),17(a,1,1,1)),flip(a)].
% 0.57/0.85  33 divide(divide(A,B),divide(C,B)) = divide(A,C).  [para(22(a,1),17(a,1,1)),rewrite([24(6),32(6)]),flip(a)].
% 0.57/0.85  37 divide(A,divide(identity,divide(divide(identity,B),C))) = divide(divide(A,C),B).  [para(26(a,1),17(a,1,1,1)),rewrite([27(6),32(10)])].
% 0.57/0.85  41 divide(identity,divide(A,B)) = divide(B,A).  [para(22(a,1),29(a,1,1)),flip(a)].
% 0.57/0.85  45 divide(A,divide(B,divide(identity,C))) = divide(divide(A,C),B).  [back_rewrite(37),rewrite([41(5),27(3)])].
% 0.57/0.85  49 divide(c3,divide(divide(identity,a3),b3)) != divide(a3,divide(divide(identity,b3),c3)) # answer(prove_these_axioms).  [back_rewrite(28),rewrite([45(8),24(6),45(15),24(13)])].
% 0.57/0.85  55 divide(divide(divide(identity,A),B),divide(C,D)) = divide(divide(divide(D,B),A),C).  [para(17(a,1),33(a,1,1))].
% 0.57/0.85  57 divide(A,divide(B,C)) = divide(C,divide(B,A)).  [para(29(a,1),33(a,1,2)),rewrite([27(4),41(3)])].
% 0.57/0.85  61 divide(A,divide(B,divide(divide(identity,C),D))) = divide(divide(divide(A,B),C),D).  [back_rewrite(55),rewrite([57(5),57(4)])].
% 0.57/0.85  63 divide(b3,divide(divide(identity,a3),c3)) != divide(a3,divide(divide(identity,b3),c3)) # answer(prove_these_axioms).  [back_rewrite(49),rewrite([57(7)])].
% 0.57/0.85  69 divide(A,divide(divide(identity,B),C)) = divide(B,divide(divide(identity,A),C)).  [para(17(a,1),45(a,1,2)),rewrite([57(10),57(9),61(9),29(6)])].
% 0.57/0.85  70 $F # answer(prove_these_axioms).  [resolve(69,a,63,a)].
% 0.57/0.85  
% 0.57/0.85  % SZS output end Refutation
% 0.57/0.85  ============================== end of proof ==========================
% 0.57/0.85  
% 0.57/0.85  ============================== STATISTICS ============================
% 0.57/0.85  
% 0.57/0.85  Given=23. Generated=383. Kept=67. proofs=1.
% 0.57/0.85  Usable=9. Sos=11. Demods=17. Limbo=1, Disabled=50. Hints=0.
% 0.57/0.85  Megabytes=0.08.
% 0.57/0.85  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.57/0.85  
% 0.57/0.85  ============================== end of statistics =====================
% 0.57/0.85  
% 0.57/0.85  ============================== end of search =========================
% 0.57/0.85  
% 0.57/0.85  THEOREM PROVED
% 0.57/0.85  % SZS status Unsatisfiable
% 0.57/0.85  
% 0.57/0.85  Exiting with 1 proof.
% 0.57/0.85  
% 0.57/0.85  Process 8260 exit (max_proofs) Tue Jun 14 07:42:58 2022
% 0.57/0.85  Prover9 interrupted
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