TSTP Solution File: GRP474-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP474-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n014.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 11:19:15 EDT 2022

% Result   : Unsatisfiable 0.88s 1.23s
% Output   : Refutation 0.88s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP474-1 : TPTP v8.1.0. Released v2.6.0.
% 0.04/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n014.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 04:12:52 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.88/1.23  ============================== Prover9 ===============================
% 0.88/1.23  Prover9 (32) version 2009-11A, November 2009.
% 0.88/1.23  Process 10641 was started by sandbox2 on n014.cluster.edu,
% 0.88/1.23  Mon Jun 13 04:12:53 2022
% 0.88/1.23  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_10488_n014.cluster.edu".
% 0.88/1.23  ============================== end of head ===========================
% 0.88/1.23  
% 0.88/1.23  ============================== INPUT =================================
% 0.88/1.23  
% 0.88/1.23  % Reading from file /tmp/Prover9_10488_n014.cluster.edu
% 0.88/1.23  
% 0.88/1.23  set(prolog_style_variables).
% 0.88/1.23  set(auto2).
% 0.88/1.23      % set(auto2) -> set(auto).
% 0.88/1.23      % set(auto) -> set(auto_inference).
% 0.88/1.23      % set(auto) -> set(auto_setup).
% 0.88/1.23      % set(auto_setup) -> set(predicate_elim).
% 0.88/1.23      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.88/1.23      % set(auto) -> set(auto_limits).
% 0.88/1.23      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.88/1.23      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.88/1.23      % set(auto) -> set(auto_denials).
% 0.88/1.23      % set(auto) -> set(auto_process).
% 0.88/1.23      % set(auto2) -> assign(new_constants, 1).
% 0.88/1.23      % set(auto2) -> assign(fold_denial_max, 3).
% 0.88/1.23      % set(auto2) -> assign(max_weight, "200.000").
% 0.88/1.23      % set(auto2) -> assign(max_hours, 1).
% 0.88/1.23      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.88/1.23      % set(auto2) -> assign(max_seconds, 0).
% 0.88/1.23      % set(auto2) -> assign(max_minutes, 5).
% 0.88/1.23      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.88/1.23      % set(auto2) -> set(sort_initial_sos).
% 0.88/1.23      % set(auto2) -> assign(sos_limit, -1).
% 0.88/1.23      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.88/1.23      % set(auto2) -> assign(max_megs, 400).
% 0.88/1.23      % set(auto2) -> assign(stats, some).
% 0.88/1.23      % set(auto2) -> clear(echo_input).
% 0.88/1.23      % set(auto2) -> set(quiet).
% 0.88/1.23      % set(auto2) -> clear(print_initial_clauses).
% 0.88/1.23      % set(auto2) -> clear(print_given).
% 0.88/1.23  assign(lrs_ticks,-1).
% 0.88/1.23  assign(sos_limit,10000).
% 0.88/1.23  assign(order,kbo).
% 0.88/1.23  set(lex_order_vars).
% 0.88/1.23  clear(print_given).
% 0.88/1.23  
% 0.88/1.23  % formulas(sos).  % not echoed (3 formulas)
% 0.88/1.23  
% 0.88/1.23  ============================== end of input ==========================
% 0.88/1.23  
% 0.88/1.23  % From the command line: assign(max_seconds, 300).
% 0.88/1.23  
% 0.88/1.23  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.88/1.23  
% 0.88/1.23  % Formulas that are not ordinary clauses:
% 0.88/1.23  
% 0.88/1.23  ============================== end of process non-clausal formulas ===
% 0.88/1.23  
% 0.88/1.23  ============================== PROCESS INITIAL CLAUSES ===============
% 0.88/1.23  
% 0.88/1.23  ============================== PREDICATE ELIMINATION =================
% 0.88/1.23  
% 0.88/1.23  ============================== end predicate elimination =============
% 0.88/1.23  
% 0.88/1.23  Auto_denials:
% 0.88/1.23    % copying label prove_these_axioms_3 to answer in negative clause
% 0.88/1.23  
% 0.88/1.23  Term ordering decisions:
% 0.88/1.23  
% 0.88/1.23  % Assigning unary symbol inverse kb_weight 0 and highest precedence (7).
% 0.88/1.23  Function symbol KB weights:  a3=1. b3=1. c3=1. divide=1. multiply=1. inverse=0.
% 0.88/1.23  
% 0.88/1.23  ============================== end of process initial clauses ========
% 0.88/1.23  
% 0.88/1.23  ============================== CLAUSES FOR SEARCH ====================
% 0.88/1.23  
% 0.88/1.23  ============================== end of clauses for search =============
% 0.88/1.23  
% 0.88/1.23  ============================== SEARCH ================================
% 0.88/1.23  
% 0.88/1.23  % Starting search at 0.01 seconds.
% 0.88/1.23  
% 0.88/1.23  ============================== PROOF =================================
% 0.88/1.23  % SZS status Unsatisfiable
% 0.88/1.23  % SZS output start Refutation
% 0.88/1.23  
% 0.88/1.23  % Proof 1 at 0.24 (+ 0.01) seconds: prove_these_axioms_3.
% 0.88/1.23  % Length of proof is 46.
% 0.88/1.23  % Level of proof is 16.
% 0.88/1.23  % Maximum clause weight is 43.000.
% 0.88/1.23  % Given clauses 33.
% 0.88/1.23  
% 0.88/1.23  1 multiply(A,B) = divide(A,inverse(B)) # label(multiply) # label(axiom).  [assumption].
% 0.88/1.23  2 divide(divide(inverse(divide(A,B)),divide(divide(C,D),A)),divide(D,C)) = B # label(single_axiom) # label(axiom).  [assumption].
% 0.88/1.23  3 multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # label(prove_these_axioms_3) # label(negated_conjecture) # answer(prove_these_axioms_3).  [assumption].
% 0.88/1.23  4 divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3)))) # answer(prove_these_axioms_3).  [copy(3),rewrite([1(3),1(6),1(11),1(13)])].
% 0.88/1.23  5 divide(divide(inverse(A),divide(divide(B,C),divide(inverse(divide(D,A)),divide(divide(E,F),D)))),divide(C,B)) = divide(F,E).  [para(2(a,1),2(a,1,1,1,1))].
% 0.88/1.23  6 divide(divide(inverse(divide(A,B)),divide(C,A)),divide(divide(D,E),divide(inverse(divide(F,C)),divide(divide(E,D),F)))) = B.  [para(2(a,1),2(a,1,1,2,1))].
% 0.88/1.23  7 divide(divide(inverse(divide(divide(A,B),C)),D),divide(divide(divide(B,A),E),inverse(divide(E,D)))) = C.  [para(2(a,1),2(a,1,1,2))].
% 0.88/1.23  9 divide(divide(inverse(divide(A,B)),divide(divide(C,D),divide(inverse(E),divide(divide(F,V6),divide(inverse(divide(V7,E)),divide(divide(B,A),V7)))))),divide(D,C)) = divide(V6,F).  [para(5(a,1),2(a,1,1,1,1))].
% 0.88/1.23  14 divide(divide(inverse(A),divide(divide(B,C),divide(inverse(divide(D,A)),divide(E,D)))),divide(C,B)) = divide(divide(F,V6),divide(inverse(divide(V7,E)),divide(divide(V6,F),V7))).  [para(2(a,1),5(a,1,1,2,2,2,1))].
% 0.88/1.23  20 divide(divide(A,B),divide(inverse(C),divide(divide(B,A),divide(inverse(divide(D,C)),divide(divide(E,F),D))))) = divide(E,F).  [para(5(a,1),5(a,1,1,2,2,2,1)),rewrite([5(11)]),flip(a)].
% 0.88/1.23  47 divide(divide(inverse(A),divide(divide(B,C),divide(inverse(divide(D,A)),divide(E,D)))),divide(C,B)) = divide(divide(divide(F,V6),divide(inverse(divide(V7,V8)),divide(divide(V6,F),V7))),divide(inverse(divide(V9,E)),divide(V8,V9))).  [para(6(a,1),5(a,1,1,2,2,2,1))].
% 0.88/1.23  107 divide(divide(A,B),divide(inverse(C),divide(divide(B,A),divide(inverse(divide(D,C)),divide(E,D))))) = E.  [para(2(a,1),20(a,1,2,2,2,2,1)),rewrite([2(17)])].
% 0.88/1.23  184 divide(inverse(A),divide(divide(B,C),divide(inverse(divide(D,A)),divide(E,D)))) = divide(divide(inverse(E),divide(divide(F,V6),divide(C,B))),divide(V6,F)).  [para(107(a,1),2(a,1,1,1,1)),flip(a)].
% 0.88/1.23  232 divide(divide(inverse(divide(A,B)),divide(B,A)),divide(C,D)) = divide(D,C).  [para(107(a,1),9(a,1,1,2))].
% 0.88/1.23  241 divide(divide(inverse(divide(A,B)),divide(divide(C,D),divide(inverse(divide(E,F)),divide(F,E)))),divide(D,C)) = divide(B,A).  [para(232(a,1),2(a,1,1,1,1))].
% 0.88/1.23  250 divide(divide(A,B),divide(inverse(divide(C,D)),divide(D,C))) = divide(A,B).  [para(232(a,1),5(a,1,1,2,2,2,1)),rewrite([5(11)]),flip(a)].
% 0.88/1.23  288 divide(divide(inverse(divide(A,B)),divide(C,D)),divide(D,C)) = divide(B,A).  [back_rewrite(241),rewrite([250(8)])].
% 0.88/1.23  290 divide(A,divide(inverse(divide(B,C)),divide(C,B))) = A.  [para(250(a,1),2(a,1,1,2)),rewrite([288(10)])].
% 0.88/1.23  318 divide(divide(A,B),divide(inverse(C),divide(B,A))) = C.  [para(250(a,1),107(a,1,2,2))].
% 0.88/1.23  333 divide(inverse(divide(divide(A,B),C)),divide(divide(divide(B,A),D),inverse(D))) = C.  [para(290(a,1),7(a,1,1)),rewrite([290(10)])].
% 0.88/1.23  458 divide(divide(inverse(A),divide(divide(B,C),divide(D,E))),divide(C,B)) = divide(inverse(A),divide(E,D)).  [para(318(a,1),2(a,1,1,1,1))].
% 0.88/1.23  471 divide(divide(inverse(divide(A,B)),C),divide(divide(divide(divide(inverse(A),divide(D,E)),divide(E,D)),F),inverse(divide(F,C)))) = B.  [para(318(a,1),7(a,1,1,1,1,1))].
% 0.88/1.23  472 divide(divide(inverse(A),B),divide(divide(divide(C,D),E),inverse(divide(E,B)))) = divide(inverse(A),divide(C,D)).  [para(318(a,1),7(a,1,1,1,1))].
% 0.88/1.23  481 divide(divide(inverse(divide(A,B)),divide(C,A)),divide(divide(divide(inverse(D),divide(E,F)),divide(F,E)),divide(inverse(divide(V6,C)),divide(D,V6)))) = B.  [para(318(a,1),6(a,1,2,2,2,1))].
% 0.88/1.23  499 divide(inverse(divide(A,B)),divide(divide(C,D),inverse(D))) = divide(divide(B,A),C).  [para(318(a,1),9(a,1,1,2,2,2)),rewrite([458(10)])].
% 0.88/1.23  512 divide(divide(inverse(divide(A,B)),divide(B,A)),C) = divide(divide(inverse(C),divide(D,E)),divide(E,D)).  [para(318(a,1),232(a,1,2))].
% 0.88/1.23  513 divide(divide(divide(A,B),inverse(divide(B,A))),inverse(C)) = C.  [para(318(a,1),232(a,1)),flip(a)].
% 0.88/1.23  578 divide(inverse(A),divide(divide(B,C),divide(inverse(divide(D,A)),divide(E,D)))) = divide(inverse(E),divide(B,C)).  [back_rewrite(184),rewrite([458(15)])].
% 0.88/1.23  607 divide(divide(inverse(A),divide(B,C)),divide(C,B)) = divide(divide(divide(D,E),divide(inverse(divide(F,V6)),divide(divide(E,D),F))),divide(inverse(divide(V7,A)),divide(V6,V7))).  [back_rewrite(47),rewrite([578(8)])].
% 0.88/1.23  614 divide(divide(inverse(A),divide(B,C)),divide(C,B)) = divide(divide(D,E),divide(inverse(divide(F,A)),divide(divide(E,D),F))).  [back_rewrite(14),rewrite([578(8)])].
% 0.88/1.23  615 divide(inverse(divide(A,B)),divide(divide(inverse(A),divide(C,D)),divide(D,C))) = B.  [back_rewrite(471),rewrite([472(13)])].
% 0.88/1.23  629 divide(divide(A,divide(B,C)),divide(C,B)) = A.  [back_rewrite(333),rewrite([499(8)])].
% 0.88/1.23  678 divide(inverse(divide(A,B)),inverse(A)) = B.  [back_rewrite(615),rewrite([629(7)])].
% 0.88/1.23  679 divide(divide(A,B),divide(inverse(divide(C,D)),divide(divide(B,A),C))) = inverse(D).  [back_rewrite(614),rewrite([629(5)]),flip(a)].
% 0.88/1.23  681 divide(inverse(A),divide(inverse(divide(B,C)),divide(A,B))) = inverse(C).  [back_rewrite(607),rewrite([629(5),679(8)]),flip(a)].
% 0.88/1.23  690 divide(divide(inverse(divide(A,B)),divide(B,A)),C) = inverse(C).  [back_rewrite(512),rewrite([629(10)])].
% 0.88/1.23  698 divide(divide(inverse(divide(A,B)),divide(C,A)),inverse(C)) = B.  [back_rewrite(481),rewrite([629(9),681(10)])].
% 0.88/1.23  702 inverse(divide(A,B)) = divide(B,A).  [back_rewrite(288),rewrite([629(6)])].
% 0.88/1.23  897 divide(divide(divide(A,B),divide(C,B)),inverse(C)) = A.  [back_rewrite(698),rewrite([702(2)])].
% 0.88/1.23  902 divide(divide(divide(A,B),divide(A,B)),C) = inverse(C).  [back_rewrite(690),rewrite([702(2)])].
% 0.88/1.23  909 divide(divide(A,B),inverse(B)) = A.  [back_rewrite(678),rewrite([702(2)])].
% 0.88/1.23  958 inverse(inverse(A)) = A.  [back_rewrite(513),rewrite([702(3),902(5)])].
% 0.88/1.23  1020 divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(c3),b3)) # answer(prove_these_axioms_3).  [back_rewrite(4),rewrite([702(13)])].
% 0.88/1.23  1120 divide(divide(A,B),divide(C,B)) = divide(A,C).  [para(897(a,1),909(a,1,1)),rewrite([958(2)]),flip(a)].
% 0.88/1.23  1141 divide(divide(A,B),C) = divide(A,divide(C,inverse(B))).  [para(909(a,1),1120(a,1,1)),flip(a)].
% 0.88/1.23  1145 $F # answer(prove_these_axioms_3).  [back_rewrite(1020),rewrite([1141(7),958(6)]),xx(a)].
% 0.88/1.23  
% 0.88/1.23  % SZS output end Refutation
% 0.88/1.23  ============================== end of proof ==========================
% 0.88/1.23  
% 0.88/1.23  ============================== STATISTICS ============================
% 0.88/1.23  
% 0.88/1.23  Given=33. Generated=2240. Kept=1143. proofs=1.
% 0.88/1.23  Usable=10. Sos=1. Demods=15. Limbo=4, Disabled=1131. Hints=0.
% 0.88/1.23  Megabytes=1.46.
% 0.88/1.23  User_CPU=0.24, System_CPU=0.01, Wall_clock=0.
% 0.88/1.23  
% 0.88/1.23  ============================== end of statistics =====================
% 0.88/1.23  
% 0.88/1.23  ============================== end of search =========================
% 0.88/1.23  
% 0.88/1.23  THEOREM PROVED
% 0.88/1.23  % SZS status Unsatisfiable
% 0.88/1.23  
% 0.88/1.23  Exiting with 1 proof.
% 0.88/1.23  
% 0.88/1.23  Process 10641 exit (max_proofs) Mon Jun 13 04:12:53 2022
% 0.88/1.23  Prover9 interrupted
%------------------------------------------------------------------------------