TSTP Solution File: BOO022-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : BOO022-1 : TPTP v8.1.0. Released v2.2.0.
% 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 : Thu Jul 14 23:48:03 EDT 2022

% Result   : Unsatisfiable 1.94s 2.26s
% Output   : Refutation 1.94s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : BOO022-1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % 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 : Wed Jun  1 22:52:30 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 1.94/2.26  ============================== Prover9 ===============================
% 1.94/2.26  Prover9 (32) version 2009-11A, November 2009.
% 1.94/2.26  Process 7597 was started by sandbox on n032.cluster.edu,
% 1.94/2.26  Wed Jun  1 22:52:30 2022
% 1.94/2.26  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_7444_n032.cluster.edu".
% 1.94/2.26  ============================== end of head ===========================
% 1.94/2.26  
% 1.94/2.26  ============================== INPUT =================================
% 1.94/2.26  
% 1.94/2.26  % Reading from file /tmp/Prover9_7444_n032.cluster.edu
% 1.94/2.26  
% 1.94/2.26  set(prolog_style_variables).
% 1.94/2.26  set(auto2).
% 1.94/2.26      % set(auto2) -> set(auto).
% 1.94/2.26      % set(auto) -> set(auto_inference).
% 1.94/2.26      % set(auto) -> set(auto_setup).
% 1.94/2.26      % set(auto_setup) -> set(predicate_elim).
% 1.94/2.26      % set(auto_setup) -> assign(eq_defs, unfold).
% 1.94/2.26      % set(auto) -> set(auto_limits).
% 1.94/2.26      % set(auto_limits) -> assign(max_weight, "100.000").
% 1.94/2.26      % set(auto_limits) -> assign(sos_limit, 20000).
% 1.94/2.26      % set(auto) -> set(auto_denials).
% 1.94/2.26      % set(auto) -> set(auto_process).
% 1.94/2.26      % set(auto2) -> assign(new_constants, 1).
% 1.94/2.26      % set(auto2) -> assign(fold_denial_max, 3).
% 1.94/2.26      % set(auto2) -> assign(max_weight, "200.000").
% 1.94/2.26      % set(auto2) -> assign(max_hours, 1).
% 1.94/2.26      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 1.94/2.26      % set(auto2) -> assign(max_seconds, 0).
% 1.94/2.26      % set(auto2) -> assign(max_minutes, 5).
% 1.94/2.26      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 1.94/2.26      % set(auto2) -> set(sort_initial_sos).
% 1.94/2.26      % set(auto2) -> assign(sos_limit, -1).
% 1.94/2.26      % set(auto2) -> assign(lrs_ticks, 3000).
% 1.94/2.26      % set(auto2) -> assign(max_megs, 400).
% 1.94/2.26      % set(auto2) -> assign(stats, some).
% 1.94/2.26      % set(auto2) -> clear(echo_input).
% 1.94/2.26      % set(auto2) -> set(quiet).
% 1.94/2.26      % set(auto2) -> clear(print_initial_clauses).
% 1.94/2.26      % set(auto2) -> clear(print_given).
% 1.94/2.26  assign(lrs_ticks,-1).
% 1.94/2.26  assign(sos_limit,10000).
% 1.94/2.26  assign(order,kbo).
% 1.94/2.26  set(lex_order_vars).
% 1.94/2.26  clear(print_given).
% 1.94/2.26  
% 1.94/2.26  % formulas(sos).  % not echoed (7 formulas)
% 1.94/2.26  
% 1.94/2.26  ============================== end of input ==========================
% 1.94/2.26  
% 1.94/2.26  % From the command line: assign(max_seconds, 300).
% 1.94/2.26  
% 1.94/2.26  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 1.94/2.26  
% 1.94/2.26  % Formulas that are not ordinary clauses:
% 1.94/2.26  
% 1.94/2.26  ============================== end of process non-clausal formulas ===
% 1.94/2.26  
% 1.94/2.26  ============================== PROCESS INITIAL CLAUSES ===============
% 1.94/2.26  
% 1.94/2.26  ============================== PREDICATE ELIMINATION =================
% 1.94/2.26  
% 1.94/2.26  ============================== end predicate elimination =============
% 1.94/2.26  
% 1.94/2.26  Auto_denials:
% 1.94/2.26    % copying label prove_associativity_of_multiply to answer in negative clause
% 1.94/2.26  
% 1.94/2.26  Term ordering decisions:
% 1.94/2.26  
% 1.94/2.26  % Assigning unary symbol inverse kb_weight 0 and highest precedence (9).
% 1.94/2.26  Function symbol KB weights:  n0=1. n1=1. a=1. b=1. c=1. add=1. multiply=1. inverse=0.
% 1.94/2.26  
% 1.94/2.26  ============================== end of process initial clauses ========
% 1.94/2.26  
% 1.94/2.26  ============================== CLAUSES FOR SEARCH ====================
% 1.94/2.26  
% 1.94/2.26  ============================== end of clauses for search =============
% 1.94/2.26  
% 1.94/2.26  ============================== SEARCH ================================
% 1.94/2.26  
% 1.94/2.26  % Starting search at 0.01 seconds.
% 1.94/2.26  
% 1.94/2.26  ============================== PROOF =================================
% 1.94/2.26  % SZS status Unsatisfiable
% 1.94/2.26  % SZS output start Refutation
% 1.94/2.26  
% 1.94/2.26  % Proof 1 at 1.40 (+ 0.04) seconds: prove_associativity_of_multiply.
% 1.94/2.26  % Length of proof is 32.
% 1.94/2.26  % Level of proof is 9.
% 1.94/2.26  % Maximum clause weight is 23.000.
% 1.94/2.26  % Given clauses 279.
% 1.94/2.26  
% 1.94/2.26  3 multiply(add(A,B),B) = B # label(multiply_add) # label(axiom).  [assumption].
% 1.94/2.26  4 add(multiply(A,B),B) = B # label(add_multiply) # label(axiom).  [assumption].
% 1.94/2.26  5 multiply(A,add(B,C)) = add(multiply(B,A),multiply(C,A)) # label(multiply_add_property) # label(axiom).  [assumption].
% 1.94/2.26  6 add(multiply(A,B),multiply(C,B)) = multiply(B,add(A,C)).  [copy(5),flip(a)].
% 1.94/2.26  7 add(A,multiply(B,C)) = multiply(add(B,A),add(C,A)) # label(add_multiply_property) # label(axiom).  [assumption].
% 1.94/2.26  8 multiply(add(A,B),add(C,B)) = add(B,multiply(A,C)).  [copy(7),flip(a)].
% 1.94/2.26  9 multiply(multiply(a,b),c) != multiply(a,multiply(b,c)) # label(prove_associativity_of_multiply) # label(negated_conjecture) # answer(prove_associativity_of_multiply).  [assumption].
% 1.94/2.26  12 multiply(A,A) = A.  [para(4(a,1),3(a,1,1))].
% 1.94/2.26  13 add(A,A) = A.  [para(3(a,1),4(a,1,1))].
% 1.94/2.26  16 multiply(multiply(A,add(B,C)),multiply(C,A)) = multiply(C,A).  [para(6(a,1),3(a,1,1))].
% 1.94/2.26  28 multiply(multiply(A,add(B,C)),add(D,multiply(C,A))) = add(multiply(C,A),multiply(multiply(B,A),D)).  [para(6(a,1),8(a,1,1))].
% 1.94/2.26  35 multiply(A,add(A,B)) = add(A,multiply(B,A)).  [para(12(a,1),6(a,1,1)),flip(a)].
% 1.94/2.26  36 multiply(A,add(B,A)) = A.  [para(12(a,1),6(a,1,2)),rewrite([4(2)]),flip(a)].
% 1.94/2.26  38 add(A,B) = add(B,A).  [para(12(a,1),8(a,1)),rewrite([12(2)])].
% 1.94/2.26  41 add(A,multiply(B,A)) = A.  [back_rewrite(36),rewrite([38(1),35(2)])].
% 1.94/2.26  49 multiply(add(A,B),add(B,C)) = add(B,multiply(A,C)).  [back_rewrite(8),rewrite([38(2)])].
% 1.94/2.26  53 multiply(A,B) = multiply(B,A).  [para(13(a,1),6(a,1)),rewrite([13(2)])].
% 1.94/2.26  58 add(A,multiply(A,B)) = A.  [back_rewrite(41),rewrite([53(1)])].
% 1.94/2.26  60 multiply(multiply(A,add(B,C)),add(D,multiply(A,C))) = add(multiply(A,C),multiply(D,multiply(A,B))).  [back_rewrite(28),rewrite([53(3),53(6),53(7),53(8)])].
% 1.94/2.26  62 multiply(multiply(A,B),multiply(A,add(C,B))) = multiply(A,B).  [back_rewrite(16),rewrite([53(3),53(4),53(5)])].
% 1.94/2.26  63 multiply(c,multiply(a,b)) != multiply(a,multiply(b,c)) # answer(prove_associativity_of_multiply).  [back_rewrite(9),rewrite([53(5)])].
% 1.94/2.26  64 add(multiply(A,B),multiply(B,C)) = multiply(B,add(A,C)).  [back_rewrite(6),rewrite([53(2)])].
% 1.94/2.26  65 multiply(A,add(B,A)) = A.  [back_rewrite(3),rewrite([53(2)])].
% 1.94/2.26  139 add(A,multiply(B,A)) = A.  [para(13(a,1),49(a,1,2)),rewrite([53(2),65(2)]),flip(a)].
% 1.94/2.26  308 multiply(multiply(A,B),add(C,multiply(A,multiply(B,D)))) = add(multiply(A,multiply(B,D)),multiply(C,multiply(A,B))).  [para(58(a,1),60(a,1,1,2))].
% 1.94/2.26  315 multiply(A,multiply(B,add(C,A))) = multiply(B,A).  [para(139(a,1),60(a,1,2)),rewrite([53(3),64(7),58(5),53(4)])].
% 1.94/2.26  392 multiply(multiply(A,B),multiply(A,multiply(C,B))) = multiply(A,multiply(C,B)).  [para(139(a,1),62(a,1,2,2)),rewrite([53(4)])].
% 1.94/2.26  1536 multiply(multiply(A,B),multiply(A,C)) = multiply(C,multiply(A,B)).  [para(58(a,1),315(a,1,2,2)),rewrite([53(2)])].
% 1.94/2.26  1537 multiply(multiply(A,B),multiply(B,C)) = multiply(C,multiply(A,B)).  [para(139(a,1),315(a,1,2,2)),rewrite([53(2)])].
% 1.94/2.27  1575 multiply(multiply(A,B),multiply(C,A)) = multiply(C,multiply(A,B)).  [back_rewrite(392),rewrite([53(2),1536(4),53(4)])].
% 1.94/2.27  5432 multiply(A,multiply(B,C)) = multiply(C,multiply(A,B)).  [para(139(a,1),308(a,1,2)),rewrite([1537(3),1575(7),13(7)]),flip(a)].
% 1.94/2.27  5433 $F # answer(prove_associativity_of_multiply).  [resolve(5432,a,63,a(flip))].
% 1.94/2.27  
% 1.94/2.27  % SZS output end Refutation
% 1.94/2.27  ============================== end of proof ==========================
% 1.94/2.27  
% 1.94/2.27  ============================== STATISTICS ============================
% 1.94/2.27  
% 1.94/2.27  Given=279. Generated=59069. Kept=5430. proofs=1.
% 1.94/2.27  Usable=222. Sos=3887. Demods=4062. Limbo=3, Disabled=1324. Hints=0.
% 1.94/2.27  Megabytes=6.66.
% 1.94/2.27  User_CPU=1.40, System_CPU=0.04, Wall_clock=2.
% 1.94/2.27  
% 1.94/2.27  ============================== end of statistics =====================
% 1.94/2.27  
% 1.94/2.27  ============================== end of search =========================
% 1.94/2.27  
% 1.94/2.27  THEOREM PROVED
% 1.94/2.27  % SZS status Unsatisfiable
% 1.94/2.27  
% 1.94/2.27  Exiting with 1 proof.
% 1.94/2.27  
% 1.94/2.27  Process 7597 exit (max_proofs) Wed Jun  1 22:52:32 2022
% 1.94/2.27  Prover9 interrupted
%------------------------------------------------------------------------------