TSTP Solution File: BOO018-4 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : BOO018-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 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 23:48:03 EDT 2022

% Result   : Unsatisfiable 0.74s 1.03s
% Output   : Refutation 0.74s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : BOO018-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Wed Jun  1 21:51:04 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.74/1.03  ============================== Prover9 ===============================
% 0.74/1.03  Prover9 (32) version 2009-11A, November 2009.
% 0.74/1.03  Process 26985 was started by sandbox on n027.cluster.edu,
% 0.74/1.03  Wed Jun  1 21:51:04 2022
% 0.74/1.03  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_26822_n027.cluster.edu".
% 0.74/1.03  ============================== end of head ===========================
% 0.74/1.03  
% 0.74/1.03  ============================== INPUT =================================
% 0.74/1.03  
% 0.74/1.03  % Reading from file /tmp/Prover9_26822_n027.cluster.edu
% 0.74/1.03  
% 0.74/1.03  set(prolog_style_variables).
% 0.74/1.03  set(auto2).
% 0.74/1.03      % set(auto2) -> set(auto).
% 0.74/1.03      % set(auto) -> set(auto_inference).
% 0.74/1.03      % set(auto) -> set(auto_setup).
% 0.74/1.03      % set(auto_setup) -> set(predicate_elim).
% 0.74/1.03      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.74/1.03      % set(auto) -> set(auto_limits).
% 0.74/1.03      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.74/1.03      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.74/1.03      % set(auto) -> set(auto_denials).
% 0.74/1.03      % set(auto) -> set(auto_process).
% 0.74/1.03      % set(auto2) -> assign(new_constants, 1).
% 0.74/1.03      % set(auto2) -> assign(fold_denial_max, 3).
% 0.74/1.03      % set(auto2) -> assign(max_weight, "200.000").
% 0.74/1.03      % set(auto2) -> assign(max_hours, 1).
% 0.74/1.03      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.74/1.03      % set(auto2) -> assign(max_seconds, 0).
% 0.74/1.03      % set(auto2) -> assign(max_minutes, 5).
% 0.74/1.03      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.74/1.03      % set(auto2) -> set(sort_initial_sos).
% 0.74/1.03      % set(auto2) -> assign(sos_limit, -1).
% 0.74/1.03      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.74/1.03      % set(auto2) -> assign(max_megs, 400).
% 0.74/1.03      % set(auto2) -> assign(stats, some).
% 0.74/1.03      % set(auto2) -> clear(echo_input).
% 0.74/1.03      % set(auto2) -> set(quiet).
% 0.74/1.03      % set(auto2) -> clear(print_initial_clauses).
% 0.74/1.03      % set(auto2) -> clear(print_given).
% 0.74/1.03  assign(lrs_ticks,-1).
% 0.74/1.03  assign(sos_limit,10000).
% 0.74/1.03  assign(order,kbo).
% 0.74/1.03  set(lex_order_vars).
% 0.74/1.03  clear(print_given).
% 0.74/1.03  
% 0.74/1.03  % formulas(sos).  % not echoed (9 formulas)
% 0.74/1.03  
% 0.74/1.03  ============================== end of input ==========================
% 0.74/1.03  
% 0.74/1.03  % From the command line: assign(max_seconds, 300).
% 0.74/1.03  
% 0.74/1.03  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.74/1.03  
% 0.74/1.03  % Formulas that are not ordinary clauses:
% 0.74/1.03  
% 0.74/1.03  ============================== end of process non-clausal formulas ===
% 0.74/1.03  
% 0.74/1.03  ============================== PROCESS INITIAL CLAUSES ===============
% 0.74/1.03  
% 0.74/1.03  ============================== PREDICATE ELIMINATION =================
% 0.74/1.03  
% 0.74/1.03  ============================== end predicate elimination =============
% 0.74/1.03  
% 0.74/1.03  Auto_denials:
% 0.74/1.03    % copying label prove_inverse_of_1_is_0 to answer in negative clause
% 0.74/1.03  
% 0.74/1.03  Term ordering decisions:
% 0.74/1.03  
% 0.74/1.03  % Assigning unary symbol inverse kb_weight 0 and highest precedence (6).
% 0.74/1.03  Function symbol KB weights:  additive_identity=1. multiplicative_identity=1. add=1. multiply=1. inverse=0.
% 0.74/1.03  
% 0.74/1.03  ============================== end of process initial clauses ========
% 0.74/1.03  
% 0.74/1.03  ============================== CLAUSES FOR SEARCH ====================
% 0.74/1.03  
% 0.74/1.03  ============================== end of clauses for search =============
% 0.74/1.03  
% 0.74/1.03  ============================== SEARCH ================================
% 0.74/1.03  
% 0.74/1.03  % Starting search at 0.01 seconds.
% 0.74/1.03  
% 0.74/1.03  ============================== PROOF =================================
% 0.74/1.03  % SZS status Unsatisfiable
% 0.74/1.03  % SZS output start Refutation
% 0.74/1.03  
% 0.74/1.03  % Proof 1 at 0.05 (+ 0.00) seconds: prove_inverse_of_1_is_0.
% 0.74/1.03  % Length of proof is 25.
% 0.74/1.03  % Level of proof is 8.
% 0.74/1.03  % Maximum clause weight is 13.000.
% 0.74/1.03  % Given clauses 43.
% 0.74/1.03  
% 0.74/1.03  1 add(A,additive_identity) = A # label(additive_id1) # label(axiom).  [assumption].
% 0.74/1.03  2 multiply(A,multiplicative_identity) = A # label(multiplicative_id1) # label(axiom).  [assumption].
% 0.74/1.03  3 add(A,inverse(A)) = multiplicative_identity # label(additive_inverse1) # label(axiom).  [assumption].
% 0.74/1.03  4 multiply(A,inverse(A)) = additive_identity # label(multiplicative_inverse1) # label(axiom).  [assumption].
% 0.74/1.03  5 add(A,B) = add(B,A) # label(commutativity_of_add) # label(axiom).  [assumption].
% 0.74/1.03  6 multiply(A,B) = multiply(B,A) # label(commutativity_of_multiply) # label(axiom).  [assumption].
% 0.74/1.03  7 add(A,multiply(B,C)) = multiply(add(A,B),add(A,C)) # label(distributivity1) # label(axiom).  [assumption].
% 0.74/1.03  8 multiply(add(A,B),add(A,C)) = add(A,multiply(B,C)).  [copy(7),flip(a)].
% 0.74/1.03  9 multiply(A,add(B,C)) = add(multiply(A,B),multiply(A,C)) # label(distributivity2) # label(axiom).  [assumption].
% 0.74/1.03  10 add(multiply(A,B),multiply(A,C)) = multiply(A,add(B,C)).  [copy(9),flip(a)].
% 0.74/1.03  11 inverse(multiplicative_identity) != additive_identity # label(prove_inverse_of_1_is_0) # label(negated_conjecture) # answer(prove_inverse_of_1_is_0).  [assumption].
% 0.74/1.03  13 multiply(multiplicative_identity,add(A,B)) = add(A,multiply(B,inverse(A))).  [para(3(a,1),8(a,1,1)),rewrite([6(5)])].
% 0.74/1.03  14 multiply(add(A,B),add(B,C)) = add(B,multiply(A,C)).  [para(5(a,1),8(a,1,1))].
% 0.74/1.03  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)].
% 0.74/1.03  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)].
% 0.74/1.03  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)].
% 0.74/1.03  70 multiply(multiplicative_identity,add(A,B)) = add(A,B).  [back_rewrite(54),rewrite([59(6),5(4)])].
% 0.74/1.03  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)].
% 0.74/1.03  96 multiply(A,add(B,inverse(A))) = multiply(A,B).  [back_rewrite(16),rewrite([88(6)])].
% 0.74/1.03  121 multiply(multiplicative_identity,multiply(A,B)) = multiply(A,B).  [para(88(a,1),70(a,1,2)),rewrite([88(6)])].
% 0.74/1.03  183 add(A,inverse(multiplicative_identity)) = A.  [para(96(a,1),70(a,1)),rewrite([6(2),2(2)]),flip(a)].
% 0.74/1.03  185 add(inverse(multiplicative_identity),multiply(A,B)) = multiply(A,B).  [para(121(a,1),96(a,2)),rewrite([5(5),70(6)])].
% 0.74/1.03  190 add(A,multiply(inverse(A),inverse(multiplicative_identity))) = A.  [para(183(a,1),59(a,2)),rewrite([6(4)])].
% 0.74/1.03  233 inverse(multiplicative_identity) = additive_identity.  [para(185(a,1),190(a,1)),rewrite([6(6),4(6)]),flip(a)].
% 0.74/1.03  234 $F # answer(prove_inverse_of_1_is_0).  [resolve(233,a,11,a)].
% 0.74/1.03  
% 0.74/1.03  % SZS output end Refutation
% 0.74/1.03  ============================== end of proof ==========================
% 0.74/1.03  
% 0.74/1.03  ============================== STATISTICS ============================
% 0.74/1.03  
% 0.74/1.03  Given=43. Generated=1121. Kept=231. proofs=1.
% 0.74/1.03  Usable=34. Sos=124. Demods=141. Limbo=8, Disabled=73. Hints=0.
% 0.74/1.03  Megabytes=0.25.
% 0.74/1.03  User_CPU=0.05, System_CPU=0.00, Wall_clock=0.
% 0.74/1.03  
% 0.74/1.03  ============================== end of statistics =====================
% 0.74/1.03  
% 0.74/1.03  ============================== end of search =========================
% 0.74/1.03  
% 0.74/1.03  THEOREM PROVED
% 0.74/1.03  % SZS status Unsatisfiable
% 0.74/1.03  
% 0.74/1.03  Exiting with 1 proof.
% 0.74/1.03  
% 0.74/1.03  Process 26985 exit (max_proofs) Wed Jun  1 21:51:04 2022
% 0.74/1.04  Prover9 interrupted
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