TSTP Solution File: BOO012-4 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : BOO012-4 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n027.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 : Thu Jul 14 23:48:00 EDT 2022

% Result   : Unsatisfiable 0.81s 1.13s
% Output   : Refutation 0.81s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.01/0.12  % Problem  : BOO012-4 : TPTP v8.1.0. Released v1.1.0.
% 0.12/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.33  % Computer : n027.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Wed Jun  1 17:43:48 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.81/1.13  ============================== Prover9 ===============================
% 0.81/1.13  Prover9 (32) version 2009-11A, November 2009.
% 0.81/1.13  Process 7498 was started by sandbox on n027.cluster.edu,
% 0.81/1.13  Wed Jun  1 17:43:49 2022
% 0.81/1.13  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_7345_n027.cluster.edu".
% 0.81/1.13  ============================== end of head ===========================
% 0.81/1.13  
% 0.81/1.13  ============================== INPUT =================================
% 0.81/1.13  
% 0.81/1.13  % Reading from file /tmp/Prover9_7345_n027.cluster.edu
% 0.81/1.13  
% 0.81/1.13  set(prolog_style_variables).
% 0.81/1.13  set(auto2).
% 0.81/1.13      % set(auto2) -> set(auto).
% 0.81/1.13      % set(auto) -> set(auto_inference).
% 0.81/1.13      % set(auto) -> set(auto_setup).
% 0.81/1.13      % set(auto_setup) -> set(predicate_elim).
% 0.81/1.13      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.81/1.13      % set(auto) -> set(auto_limits).
% 0.81/1.13      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.81/1.13      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.81/1.13      % set(auto) -> set(auto_denials).
% 0.81/1.13      % set(auto) -> set(auto_process).
% 0.81/1.13      % set(auto2) -> assign(new_constants, 1).
% 0.81/1.13      % set(auto2) -> assign(fold_denial_max, 3).
% 0.81/1.13      % set(auto2) -> assign(max_weight, "200.000").
% 0.81/1.13      % set(auto2) -> assign(max_hours, 1).
% 0.81/1.13      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.81/1.13      % set(auto2) -> assign(max_seconds, 0).
% 0.81/1.13      % set(auto2) -> assign(max_minutes, 5).
% 0.81/1.13      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.81/1.13      % set(auto2) -> set(sort_initial_sos).
% 0.81/1.13      % set(auto2) -> assign(sos_limit, -1).
% 0.81/1.13      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.81/1.13      % set(auto2) -> assign(max_megs, 400).
% 0.81/1.13      % set(auto2) -> assign(stats, some).
% 0.81/1.13      % set(auto2) -> clear(echo_input).
% 0.81/1.13      % set(auto2) -> set(quiet).
% 0.81/1.13      % set(auto2) -> clear(print_initial_clauses).
% 0.81/1.13      % set(auto2) -> clear(print_given).
% 0.81/1.13  assign(lrs_ticks,-1).
% 0.81/1.13  assign(sos_limit,10000).
% 0.81/1.13  assign(order,kbo).
% 0.81/1.13  set(lex_order_vars).
% 0.81/1.13  clear(print_given).
% 0.81/1.13  
% 0.81/1.13  % formulas(sos).  % not echoed (9 formulas)
% 0.81/1.13  
% 0.81/1.13  ============================== end of input ==========================
% 0.81/1.13  
% 0.81/1.13  % From the command line: assign(max_seconds, 300).
% 0.81/1.13  
% 0.81/1.13  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.81/1.13  
% 0.81/1.13  % Formulas that are not ordinary clauses:
% 0.81/1.13  
% 0.81/1.13  ============================== end of process non-clausal formulas ===
% 0.81/1.13  
% 0.81/1.13  ============================== PROCESS INITIAL CLAUSES ===============
% 0.81/1.13  
% 0.81/1.13  ============================== PREDICATE ELIMINATION =================
% 0.81/1.13  
% 0.81/1.13  ============================== end predicate elimination =============
% 0.81/1.13  
% 0.81/1.13  Auto_denials:
% 0.81/1.13    % copying label prove_inverse_is_an_involution to answer in negative clause
% 0.81/1.13  
% 0.81/1.13  Term ordering decisions:
% 0.81/1.13  
% 0.81/1.13  % Assigning unary symbol inverse kb_weight 0 and highest precedence (7).
% 0.81/1.13  Function symbol KB weights:  additive_identity=1. multiplicative_identity=1. x=1. add=1. multiply=1. inverse=0.
% 0.81/1.13  
% 0.81/1.13  ============================== end of process initial clauses ========
% 0.81/1.13  
% 0.81/1.13  ============================== CLAUSES FOR SEARCH ====================
% 0.81/1.13  
% 0.81/1.13  ============================== end of clauses for search =============
% 0.81/1.13  
% 0.81/1.13  ============================== SEARCH ================================
% 0.81/1.13  
% 0.81/1.13  % Starting search at 0.01 seconds.
% 0.81/1.13  
% 0.81/1.13  ============================== PROOF =================================
% 0.81/1.13  % SZS status Unsatisfiable
% 0.81/1.13  % SZS output start Refutation
% 0.81/1.13  
% 0.81/1.13  % Proof 1 at 0.18 (+ 0.00) seconds: prove_inverse_is_an_involution.
% 0.81/1.13  % Length of proof is 75.
% 0.81/1.13  % Level of proof is 21.
% 0.81/1.13  % Maximum clause weight is 27.000.
% 0.81/1.13  % Given clauses 86.
% 0.81/1.13  
% 0.81/1.13  1 add(A,additive_identity) = A # label(additive_id1) # label(axiom).  [assumption].
% 0.81/1.13  2 multiply(A,multiplicative_identity) = A # label(multiplicative_id1) # label(axiom).  [assumption].
% 0.81/1.13  3 add(A,inverse(A)) = multiplicative_identity # label(additive_inverse1) # label(axiom).  [assumption].
% 0.81/1.13  4 multiply(A,inverse(A)) = additive_identity # label(multiplicative_inverse1) # label(axiom).  [assumption].
% 0.81/1.13  5 add(A,B) = add(B,A) # label(commutativity_of_add) # label(axiom).  [assumption].
% 0.81/1.13  6 multiply(A,B) = multiply(B,A) # label(commutativity_of_multiply) # label(axiom).  [assumption].
% 0.81/1.13  7 add(A,multiply(B,C)) = multiply(add(A,B),add(A,C)) # label(distributivity1) # label(axiom).  [assumption].
% 0.81/1.13  8 multiply(add(A,B),add(A,C)) = add(A,multiply(B,C)).  [copy(7),flip(a)].
% 0.81/1.13  9 multiply(A,add(B,C)) = add(multiply(A,B),multiply(A,C)) # label(distributivity2) # label(axiom).  [assumption].
% 0.81/1.13  10 add(multiply(A,B),multiply(A,C)) = multiply(A,add(B,C)).  [copy(9),flip(a)].
% 0.81/1.13  11 inverse(inverse(x)) != x # label(prove_inverse_is_an_involution) # label(negated_conjecture) # answer(prove_inverse_is_an_involution).  [assumption].
% 0.81/1.13  12 multiply(A,add(A,B)) = add(A,multiply(B,additive_identity)).  [para(1(a,1),8(a,1,1)),rewrite([6(4)])].
% 0.81/1.13  13 multiply(multiplicative_identity,add(A,B)) = add(A,multiply(B,inverse(A))).  [para(3(a,1),8(a,1,1)),rewrite([6(5)])].
% 0.81/1.13  14 multiply(add(A,B),add(B,C)) = add(B,multiply(A,C)).  [para(5(a,1),8(a,1,1))].
% 0.81/1.13  15 multiply(A,add(B,multiplicative_identity)) = add(A,multiply(A,B)).  [para(2(a,1),10(a,1,1)),rewrite([5(4)]),flip(a)].
% 0.81/1.13  16 multiply(A,add(B,inverse(A))) = add(additive_identity,multiply(A,B)).  [para(4(a,1),10(a,1,1)),rewrite([5(5)]),flip(a)].
% 0.81/1.13  17 add(multiply(A,B),multiply(B,C)) = multiply(B,add(A,C)).  [para(6(a,1),10(a,1,1))].
% 0.81/1.13  18 multiply(multiply(A,add(B,C)),add(D,multiply(A,B))) = add(multiply(A,B),multiply(D,multiply(A,C))).  [para(10(a,1),8(a,1,1)),rewrite([5(4),6(8)])].
% 0.81/1.13  21 add(add(A,multiply(B,C)),multiply(D,add(A,B))) = multiply(add(A,B),add(D,add(A,C))).  [para(8(a,1),10(a,1,1)),rewrite([6(4),5(8)])].
% 0.81/1.13  22 add(multiply(A,add(B,C)),add(B,multiply(C,D))) = multiply(add(B,C),add(A,add(B,D))).  [para(8(a,1),10(a,1,2)),rewrite([6(2)])].
% 0.81/1.13  24 multiply(A,A) = add(A,multiply(additive_identity,additive_identity)).  [para(1(a,1),12(a,1,2))].
% 0.81/1.13  25 add(A,multiply(inverse(A),additive_identity)) = A.  [para(3(a,1),12(a,1,2)),rewrite([2(2)]),flip(a)].
% 0.81/1.13  36 add(A,multiply(B,multiply(inverse(A),additive_identity))) = multiply(A,add(A,B)).  [para(25(a,1),8(a,1,1)),rewrite([6(6)]),flip(a)].
% 0.81/1.13  39 add(multiplicative_identity,multiply(additive_identity,additive_identity)) = multiplicative_identity.  [para(24(a,1),2(a,1))].
% 0.81/1.13  40 add(add(A,B),multiply(additive_identity,additive_identity)) = add(A,multiply(B,B)).  [para(24(a,1),8(a,1))].
% 0.81/1.13  46 multiply(A,A) = add(A,add(additive_identity,multiply(additive_identity,additive_identity))).  [para(24(a,1),12(a,2,2)),rewrite([1(2)])].
% 0.81/1.13  49 add(additive_identity,multiplicative_identity) = multiplicative_identity.  [para(39(a,1),8(a,2)),rewrite([5(3),5(6),8(7),2(4)])].
% 0.81/1.13  53 multiply(multiplicative_identity,add(A,A)) = A.  [para(4(a,1),13(a,2,2)),rewrite([1(5)])].
% 0.81/1.13  54 multiply(multiplicative_identity,add(A,B)) = add(B,multiply(A,inverse(B))).  [para(13(a,2),5(a,2)),rewrite([5(3),5(5)]),flip(a)].
% 0.81/1.13  57 multiply(add(A,B),multiply(multiplicative_identity,add(A,C))) = add(A,multiply(B,multiply(C,inverse(A)))).  [para(13(a,2),8(a,1,2))].
% 0.81/1.13  59 add(A,multiply(B,inverse(A))) = add(A,B).  [para(13(a,1),10(a,2)),rewrite([6(2),2(2),6(2),2(2)]),flip(a)].
% 0.81/1.13  63 add(multiplicative_identity,multiply(A,additive_identity)) = add(A,multiplicative_identity).  [para(13(a,1),12(a,1)),rewrite([59(5),5(2)]),flip(a)].
% 0.81/1.13  70 multiply(multiplicative_identity,add(A,B)) = add(A,B).  [back_rewrite(54),rewrite([59(6),5(4)])].
% 0.81/1.13  71 add(A,multiply(B,multiply(C,inverse(A)))) = add(A,multiply(B,C)).  [back_rewrite(57),rewrite([70(4),8(3)]),flip(a)].
% 0.81/1.13  74 add(A,A) = A.  [back_rewrite(53),rewrite([70(3)])].
% 0.81/1.13  75 add(A,multiply(A,additive_identity)) = A.  [para(49(a,1),10(a,2,2)),rewrite([2(4),5(3),2(5)])].
% 0.81/1.13  76 multiply(A,A) = A.  [back_rewrite(46),rewrite([75(6),1(3)])].
% 0.81/1.13  77 add(additive_identity,add(A,B)) = add(A,B).  [back_rewrite(40),rewrite([76(4),5(3),76(4)])].
% 0.81/1.13  78 multiply(A,add(A,B)) = add(A,multiply(A,B)).  [para(74(a,1),8(a,1,1))].
% 0.81/1.13  80 add(A,multiply(B,multiply(inverse(A),additive_identity))) = add(A,multiply(A,B)).  [back_rewrite(36),rewrite([78(7)])].
% 0.81/1.13  86 add(A,multiply(B,additive_identity)) = add(A,multiply(A,B)).  [back_rewrite(12),rewrite([78(2)]),flip(a)].
% 0.81/1.13  88 add(additive_identity,multiply(A,B)) = multiply(A,B).  [para(1(a,1),14(a,1,1)),rewrite([5(2),1(2)]),flip(a)].
% 0.81/1.13  89 add(inverse(A),multiply(A,B)) = add(B,inverse(A)).  [para(3(a,1),14(a,1,1)),rewrite([5(3),70(4)]),flip(a)].
% 0.81/1.13  94 multiply(A,add(B,A)) = add(A,multiply(B,A)).  [para(25(a,1),14(a,1,2)),rewrite([6(2),80(7),6(3)])].
% 0.81/1.13  96 multiply(A,add(B,inverse(A))) = multiply(A,B).  [back_rewrite(16),rewrite([88(6)])].
% 0.81/1.13  97 multiply(add(A,multiplicative_identity),add(B,multiplicative_identity)) = add(multiplicative_identity,multiply(B,multiply(A,additive_identity))).  [para(63(a,1),8(a,1,1)),rewrite([5(4),6(9)])].
% 0.81/1.13  101 add(add(A,B),multiply(C,add(A,B))) = add(add(A,B),multiply(C,additive_identity)).  [para(77(a,1),14(a,1,1)),rewrite([5(3),94(4),6(7)])].
% 0.81/1.13  103 multiply(A,add(B,multiplicative_identity)) = add(A,multiply(B,A)).  [para(15(a,1),6(a,2)),rewrite([6(3),6(4)])].
% 0.81/1.13  110 add(multiply(A,B),add(A,multiply(A,C))) = multiply(A,add(B,add(C,multiplicative_identity))).  [para(15(a,1),10(a,1,2))].
% 0.81/1.13  117 multiply(add(A,B),add(C,multiplicative_identity)) = add(add(A,B),multiply(C,additive_identity)).  [back_rewrite(101),rewrite([103(4,R)])].
% 0.81/1.13  118 add(add(A,multiplicative_identity),multiply(B,additive_identity)) = add(multiplicative_identity,multiply(B,multiply(A,additive_identity))).  [back_rewrite(97),rewrite([117(5)])].
% 0.81/1.13  124 multiply(inverse(A),add(A,B)) = multiply(B,inverse(A)).  [para(4(a,1),17(a,1,1)),rewrite([6(3),88(4)]),flip(a)].
% 0.81/1.13  127 add(add(A,multiply(B,C)),multiply(D,add(A,C))) = multiply(add(A,C),add(D,add(A,B))).  [para(8(a,1),17(a,1,1)),rewrite([6(4),5(8)])].
% 0.81/1.13  167 multiply(multiply(A,add(B,add(C,multiplicative_identity))),add(D,add(A,multiply(A,C)))) = add(multiply(A,add(C,multiplicative_identity)),multiply(D,multiply(A,B))).  [para(15(a,1),18(a,1,2,2)),rewrite([5(3)])].
% 0.81/1.13  287 multiply(A,add(B,multiplicative_identity)) = add(A,multiply(B,additive_identity)).  [para(86(a,2),15(a,2))].
% 0.81/1.13  299 multiply(add(A,multiply(B,additive_identity)),add(C,add(A,D))) = multiply(add(A,multiply(A,B)),add(C,add(A,D))).  [para(86(a,1),21(a,2,1)),rewrite([6(3),127(9)])].
% 0.81/1.13  313 multiply(multiply(A,add(B,add(C,multiplicative_identity))),add(D,add(A,multiply(A,C)))) = add(add(A,multiply(C,additive_identity)),multiply(D,multiply(A,B))).  [back_rewrite(167),rewrite([287(11)])].
% 0.81/1.13  328 add(multiplicative_identity,inverse(A)) = multiplicative_identity.  [para(2(a,1),89(a,1,2)),rewrite([5(2),3(2)]),flip(a)].
% 0.81/1.13  346 add(additive_identity,inverse(A)) = inverse(A).  [para(89(a,1),86(a,1)),rewrite([6(6),4(6),1(6)])].
% 0.81/1.13  348 add(multiplicative_identity,multiply(A,inverse(B))) = add(A,multiplicative_identity).  [para(328(a,1),8(a,1,1)),rewrite([5(3),94(4),2(3),5(2),6(5)]),flip(a)].
% 0.81/1.13  351 add(add(A,multiplicative_identity),add(B,multiply(A,additive_identity))) = add(multiplicative_identity,multiply(B,multiply(A,additive_identity))).  [para(328(a,1),21(a,2,2,2)),rewrite([348(4),5(4),287(5),5(8),287(11),118(11)])].
% 0.81/1.13  353 add(multiply(A,B),add(B,multiply(C,additive_identity))) = multiply(B,add(A,add(B,C))).  [para(1(a,1),22(a,1,1,2)),rewrite([6(3),1(7)])].
% 0.81/1.13  376 add(multiply(A,add(B,multiply(C,additive_identity))),add(B,multiply(D,multiply(B,C)))) = multiply(add(B,multiply(B,C)),add(A,add(B,D))).  [para(86(a,2),22(a,1,1,2)),rewrite([6(6)])].
% 0.81/1.13  385 multiply(A,additive_identity) = additive_identity.  [para(346(a,1),96(a,1,2)),rewrite([4(2)]),flip(a)].
% 0.81/1.13  390 multiply(add(A,multiply(A,B)),add(C,add(A,D))) = add(multiply(C,A),add(A,multiply(D,multiply(A,B)))).  [back_rewrite(376),rewrite([385(2),1(2)]),flip(a)].
% 0.81/1.13  394 multiply(A,add(B,add(A,C))) = add(A,multiply(B,A)).  [back_rewrite(353),rewrite([385(3),1(3),5(2)]),flip(a)].
% 0.81/1.13  395 add(A,add(B,multiplicative_identity)) = multiplicative_identity.  [back_rewrite(351),rewrite([385(4),1(4),5(3),385(6),385(6),5(6),49(6)])].
% 0.81/1.13  399 add(A,multiply(B,multiply(A,C))) = add(A,multiply(A,B)).  [back_rewrite(313),rewrite([395(3),2(2),394(4),6(1),385(4),1(4)]),flip(a)].
% 0.81/1.13  407 add(A,multiply(A,B)) = A.  [back_rewrite(299),rewrite([385(2),1(2),394(3),6(1),390(7),6(3),399(6),110(6),395(5),2(4)])].
% 0.81/1.13  543 multiply(inverse(A),multiply(A,B)) = additive_identity.  [para(407(a,1),124(a,1,2)),rewrite([6(2),4(2),6(4)]),flip(a)].
% 0.81/1.13  556 multiply(inverse(inverse(A)),multiply(B,inverse(A))) = additive_identity.  [para(124(a,1),543(a,1,2))].
% 0.81/1.13  756 add(A,multiply(B,inverse(inverse(A)))) = A.  [para(556(a,1),71(a,1,2)),rewrite([1(2),6(3)]),flip(a)].
% 0.81/1.13  760 add(A,inverse(inverse(A))) = A.  [para(76(a,1),756(a,1,2))].
% 0.81/1.13  800 inverse(inverse(A)) = A.  [para(760(a,1),89(a,2)),rewrite([6(4),4(4),1(4)])].
% 0.81/1.13  801 $F # answer(prove_inverse_is_an_involution).  [resolve(800,a,11,a)].
% 0.81/1.13  
% 0.81/1.13  % SZS output end Refutation
% 0.81/1.13  ============================== end of proof ==========================
% 0.81/1.13  
% 0.81/1.13  ============================== STATISTICS ============================
% 0.81/1.13  
% 0.81/1.13  Given=86. Generated=4445. Kept=798. proofs=1.
% 0.81/1.13  Usable=59. Sos=348. Demods=394. Limbo=2, Disabled=397. Hints=0.
% 0.81/1.13  Megabytes=0.77.
% 0.81/1.13  User_CPU=0.18, System_CPU=0.00, Wall_clock=0.
% 0.81/1.13  
% 0.81/1.13  ============================== end of statistics =====================
% 0.81/1.13  
% 0.81/1.13  ============================== end of search =========================
% 0.81/1.13  
% 0.81/1.13  THEOREM PROVED
% 0.81/1.13  % SZS status Unsatisfiable
% 0.81/1.13  
% 0.81/1.13  Exiting with 1 proof.
% 0.81/1.13  
% 0.81/1.13  Process 7498 exit (max_proofs) Wed Jun  1 17:43:49 2022
% 0.81/1.13  Prover9 interrupted
%------------------------------------------------------------------------------