TSTP Solution File: LAT392-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LAT392-1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n006.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 : Sun Jul 17 06:28:35 EDT 2022

% Result   : Unsatisfiable 1.28s 1.56s
% Output   : Refutation 1.28s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : LAT392-1 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n006.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Wed Jun 29 14:32:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.28/1.56  ============================== Prover9 ===============================
% 1.28/1.56  Prover9 (32) version 2009-11A, November 2009.
% 1.28/1.56  Process 14138 was started by sandbox on n006.cluster.edu,
% 1.28/1.56  Wed Jun 29 14:32:54 2022
% 1.28/1.56  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_13984_n006.cluster.edu".
% 1.28/1.56  ============================== end of head ===========================
% 1.28/1.56  
% 1.28/1.56  ============================== INPUT =================================
% 1.28/1.56  
% 1.28/1.56  % Reading from file /tmp/Prover9_13984_n006.cluster.edu
% 1.28/1.56  
% 1.28/1.56  set(prolog_style_variables).
% 1.28/1.56  set(auto2).
% 1.28/1.56      % set(auto2) -> set(auto).
% 1.28/1.56      % set(auto) -> set(auto_inference).
% 1.28/1.56      % set(auto) -> set(auto_setup).
% 1.28/1.56      % set(auto_setup) -> set(predicate_elim).
% 1.28/1.56      % set(auto_setup) -> assign(eq_defs, unfold).
% 1.28/1.56      % set(auto) -> set(auto_limits).
% 1.28/1.56      % set(auto_limits) -> assign(max_weight, "100.000").
% 1.28/1.56      % set(auto_limits) -> assign(sos_limit, 20000).
% 1.28/1.56      % set(auto) -> set(auto_denials).
% 1.28/1.56      % set(auto) -> set(auto_process).
% 1.28/1.56      % set(auto2) -> assign(new_constants, 1).
% 1.28/1.56      % set(auto2) -> assign(fold_denial_max, 3).
% 1.28/1.56      % set(auto2) -> assign(max_weight, "200.000").
% 1.28/1.56      % set(auto2) -> assign(max_hours, 1).
% 1.28/1.56      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 1.28/1.56      % set(auto2) -> assign(max_seconds, 0).
% 1.28/1.56      % set(auto2) -> assign(max_minutes, 5).
% 1.28/1.56      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 1.28/1.56      % set(auto2) -> set(sort_initial_sos).
% 1.28/1.56      % set(auto2) -> assign(sos_limit, -1).
% 1.28/1.56      % set(auto2) -> assign(lrs_ticks, 3000).
% 1.28/1.56      % set(auto2) -> assign(max_megs, 400).
% 1.28/1.56      % set(auto2) -> assign(stats, some).
% 1.28/1.56      % set(auto2) -> clear(echo_input).
% 1.28/1.56      % set(auto2) -> set(quiet).
% 1.28/1.56      % set(auto2) -> clear(print_initial_clauses).
% 1.28/1.56      % set(auto2) -> clear(print_given).
% 1.28/1.56  assign(lrs_ticks,-1).
% 1.28/1.56  assign(sos_limit,10000).
% 1.28/1.56  assign(order,kbo).
% 1.28/1.56  set(lex_order_vars).
% 1.28/1.56  clear(print_given).
% 1.28/1.56  
% 1.28/1.56  % formulas(sos).  % not echoed (2 formulas)
% 1.28/1.56  
% 1.28/1.56  ============================== end of input ==========================
% 1.28/1.56  
% 1.28/1.56  % From the command line: assign(max_seconds, 300).
% 1.28/1.56  
% 1.28/1.56  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 1.28/1.56  
% 1.28/1.56  % Formulas that are not ordinary clauses:
% 1.28/1.56  
% 1.28/1.56  ============================== end of process non-clausal formulas ===
% 1.28/1.56  
% 1.28/1.56  ============================== PROCESS INITIAL CLAUSES ===============
% 1.28/1.56  
% 1.28/1.56  ============================== PREDICATE ELIMINATION =================
% 1.28/1.56  
% 1.28/1.56  ============================== end predicate elimination =============
% 1.28/1.56  
% 1.28/1.56  Auto_denials:
% 1.28/1.56    % copying label goals to answer in negative clause
% 1.28/1.56  
% 1.28/1.56  Term ordering decisions:
% 1.28/1.56  Function symbol KB weights:  a=1. b=1. c=1. mult=1. plus=1.
% 1.28/1.56  
% 1.28/1.56  ============================== end of process initial clauses ========
% 1.28/1.56  
% 1.28/1.56  ============================== CLAUSES FOR SEARCH ====================
% 1.28/1.56  
% 1.28/1.56  ============================== end of clauses for search =============
% 1.28/1.56  
% 1.28/1.56  ============================== SEARCH ================================
% 1.28/1.56  
% 1.28/1.56  % Starting search at 0.01 seconds.
% 1.28/1.56  
% 1.28/1.56  ============================== PROOF =================================
% 1.28/1.56  % SZS status Unsatisfiable
% 1.28/1.56  % SZS output start Refutation
% 1.28/1.56  
% 1.28/1.56  % Proof 1 at 0.58 (+ 0.01) seconds: goals.
% 1.28/1.56  % Length of proof is 78.
% 1.28/1.56  % Level of proof is 28.
% 1.28/1.56  % Maximum clause weight is 171.000.
% 1.28/1.56  % Given clauses 74.
% 1.28/1.56  
% 1.28/1.56  1 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(mult(plus(A,mult(mult(plus(D,B),plus(B,E)),B)),plus(mult(plus(B,plus(plus(mult(D,mult(B,E)),mult(F,B)),B)),plus(V6,mult(B,plus(plus(mult(B,V7),mult(F,B)),B)))),mult(A,mult(mult(plus(D,B),plus(B,E)),B)))),mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B # label(sos) # label(axiom).  [assumption].
% 1.28/1.56  2 plus(plus(mult(a,b),mult(b,c)),b) != b # label(goals) # label(negated_conjecture) # answer(goals).  [assumption].
% 1.28/1.56  3 mult(plus(mult(plus(A,mult(plus(B,C),plus(C,mult(B,C)))),plus(mult(plus(B,C),plus(C,mult(B,C))),mult(A,mult(plus(B,C),plus(C,mult(B,C)))))),D),plus(mult(plus(A,mult(mult(plus(mult(plus(B,C),plus(C,mult(B,C))),mult(plus(B,C),plus(C,mult(B,C)))),plus(mult(plus(B,C),plus(C,mult(B,C))),E)),mult(plus(B,C),plus(C,mult(B,C))))),plus(C,mult(A,mult(mult(plus(mult(plus(B,C),plus(C,mult(B,C))),mult(plus(B,C),plus(C,mult(B,C)))),plus(mult(plus(B,C),plus(C,mult(B,C))),E)),mult(plus(B,C),plus(C,mult(B,C))))))),mult(mult(plus(A,mult(plus(B,C),plus(C,mult(B,C)))),plus(mult(plus(B,C),plus(C,mult(B,C))),mult(A,mult(plus(B,C),plus(C,mult(B,C)))))),D))) = mult(plus(B,C),plus(C,mult(B,C))).  [para(1(a,1),1(a,1,2,1,2,1))].
% 1.28/1.56  4 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(mult(plus(A,mult(mult(plus(B,B),plus(B,D)),B)),plus(mult(plus(E,mult(mult(plus(F,B),plus(B,V6)),B)),plus(mult(plus(B,plus(plus(mult(F,mult(B,V6)),mult(V7,B)),B)),plus(V8,mult(B,plus(plus(mult(B,V9),mult(V7,B)),B)))),mult(E,mult(mult(plus(F,B),plus(B,V6)),B)))),mult(A,mult(mult(plus(B,B),plus(B,D)),B)))),mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B.  [para(1(a,1),3(a,1,1,1,1,2)),rewrite([1(88),1(88),1(92),1(92),1(93),1(95),1(122),1(122),1(123),1(125),1(129),1(130),1(130),1(136)])].
% 1.28/1.56  5 mult(plus(mult(plus(mult(plus(A,B),plus(B,mult(A,B))),B),plus(B,mult(mult(plus(A,B),plus(B,mult(A,B))),B))),C),plus(B,mult(mult(plus(mult(plus(A,B),plus(B,mult(A,B))),B),plus(B,mult(mult(plus(A,B),plus(B,mult(A,B))),B))),C))) = B.  [para(1(a,1),4(a,1,2,1))].
% 1.28/1.56  6 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(mult(plus(A,mult(mult(plus(B,B),plus(B,D)),B)),plus(mult(plus(E,mult(mult(plus(B,B),plus(B,F)),B)),plus(mult(plus(V6,mult(mult(plus(V7,B),plus(B,V8)),B)),plus(mult(plus(B,plus(plus(mult(V7,mult(B,V8)),mult(V9,B)),B)),plus(V10,mult(B,plus(plus(mult(B,V11),mult(V9,B)),B)))),mult(V6,mult(mult(plus(V7,B),plus(B,V8)),B)))),mult(E,mult(mult(plus(B,B),plus(B,F)),B)))),mult(A,mult(mult(plus(B,B),plus(B,D)),B)))),mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B.  [para(4(a,1),3(a,1,1,1,1,2)),rewrite([4(124),4(124),4(128),4(128),4(129),4(131),4(170),4(170),4(171),4(173),4(177),4(178),4(178),4(184)])].
% 1.28/1.56  9 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(mult(plus(A,mult(mult(plus(B,B),plus(B,D)),B)),plus(B,mult(A,mult(mult(plus(B,B),plus(B,D)),B)))),mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B.  [para(5(a,1),3(a,1,1,1,1,2)),rewrite([5(29),5(29),5(33),5(33),5(34),5(36),5(38),5(38),5(39),5(41),5(45),5(46),5(46),5(52)])].
% 1.28/1.56  15 mult(plus(A,B),plus(A,mult(A,B))) = A.  [para(5(a,1),5(a,1,1,1)),rewrite([5(29)])].
% 1.28/1.56  36 mult(plus(plus(A,B),plus(A,mult(A,B))),plus(plus(A,B),A)) = plus(A,B).  [para(15(a,1),15(a,1,2,2))].
% 1.28/1.56  42 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(mult(plus(A,mult(mult(plus(B,B),plus(B,D)),B)),plus(mult(plus(E,mult(mult(plus(B,B),plus(B,F)),B)),plus(mult(plus(V6,mult(mult(plus(B,B),plus(B,V7)),B)),plus(mult(plus(V8,mult(mult(plus(V9,B),plus(B,V10)),B)),plus(mult(plus(B,plus(plus(mult(V9,mult(B,V10)),mult(V11,B)),B)),plus(V12,mult(B,plus(plus(mult(B,V13),mult(V11,B)),B)))),mult(V8,mult(mult(plus(V9,B),plus(B,V10)),B)))),mult(V6,mult(mult(plus(B,B),plus(B,V7)),B)))),mult(E,mult(mult(plus(B,B),plus(B,F)),B)))),mult(A,mult(mult(plus(B,B),plus(B,D)),B)))),mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B.  [para(6(a,1),3(a,1,1,1,1,2)),rewrite([6(160),6(160),6(164),6(164),6(165),6(167),6(218),6(218),6(219),6(221),6(225),6(226),6(226),6(232)])].
% 1.28/1.56  54 mult(plus(A,mult(mult(plus(B,C),plus(C,D)),C)),plus(mult(plus(C,plus(plus(mult(B,mult(C,D)),mult(E,C)),C)),plus(F,mult(C,plus(plus(mult(C,V6),mult(E,C)),C)))),mult(A,mult(mult(plus(B,C),plus(C,D)),C)))) = C.  [para(1(a,1),9(a,1,1,1)),rewrite([1(246),1(88),15(4)]),flip(a)].
% 1.28/1.56  57 mult(plus(A,mult(mult(plus(B,B),plus(B,C)),B)),plus(B,mult(A,mult(mult(plus(B,B),plus(B,C)),B)))) = B.  [para(9(a,1),4(a,1,1,1)),rewrite([54(251),9(129),9(49),15(4)]),flip(a)].
% 1.28/1.56  65 mult(plus(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(B,mult(mult(plus(A,B),plus(B,mult(A,B))),C))),plus(plus(mult(plus(A,B),plus(B,mult(A,B))),C),B)) = plus(mult(plus(A,B),plus(B,mult(A,B))),C).  [para(9(a,1),15(a,1,2,2)),rewrite([57(17)])].
% 1.28/1.56  75 mult(plus(mult(plus(A,B),plus(B,mult(A,B))),C),plus(B,mult(mult(plus(A,B),plus(B,mult(A,B))),C))) = B.  [back_rewrite(42),rewrite([54(45),57(27),57(22),57(17)])].
% 1.28/1.56  80 mult(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))) = B.  [para(15(a,1),57(a,1,1,2,1)),rewrite([15(6)])].
% 1.28/1.56  83 mult(plus(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))),plus(plus(A,mult(B,B)),B)) = plus(A,mult(B,B)).  [para(80(a,1),15(a,1,2,2))].
% 1.28/1.56  84 mult(plus(plus(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))),plus(plus(A,mult(B,B)),B)),plus(plus(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))),plus(A,mult(B,B)))) = plus(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))).  [para(80(a,1),36(a,1,1,2,2))].
% 1.28/1.56  123 mult(plus(A,plus(plus(mult(B,mult(A,C)),mult(D,A)),A)),plus(E,mult(A,plus(plus(mult(A,F),mult(D,A)),A)))) = A.  [para(54(a,1),15(a,1)),flip(a)].
% 1.28/1.56  142 mult(plus(A,mult(mult(plus(B,C),plus(C,D)),C)),plus(C,mult(A,mult(mult(plus(B,C),plus(C,D)),C)))) = C.  [back_rewrite(54),rewrite([123(18)])].
% 1.28/1.56  156 mult(plus(A,B),plus(plus(plus(mult(A,mult(A,C)),mult(D,A)),A),mult(A,B))) = plus(plus(mult(A,mult(A,C)),mult(D,A)),A).  [para(123(a,1),75(a,1,1,1)),rewrite([123(25)])].
% 1.28/1.56  157 mult(plus(plus(plus(mult(A,mult(A,B)),mult(C,A)),A),D),plus(plus(plus(mult(A,mult(A,B)),mult(C,A)),A),mult(A,D))) = plus(plus(mult(A,mult(A,B)),mult(C,A)),A).  [para(123(a,1),75(a,1,2,2,1)),rewrite([156(19)])].
% 1.28/1.56  158 mult(plus(A,B),plus(B,mult(A,B))) = B.  [para(123(a,1),75(a,1))].
% 1.28/1.56  163 plus(plus(plus(mult(A,mult(A,B)),mult(C,A)),A),D) = plus(A,D).  [para(123(a,1),65(a,2,1)),rewrite([158(19),158(30),158(38),36(32)])].
% 1.28/1.56  178 plus(plus(mult(A,mult(A,B)),mult(C,A)),A) = A.  [back_rewrite(157),rewrite([163(6),163(8),15(4)]),flip(a)].
% 1.28/1.56  179 mult(plus(plus(A,B),plus(B,mult(A,B))),plus(plus(A,B),B)) = plus(A,B).  [para(158(a,1),15(a,1,2,2))].
% 1.28/1.56  180 mult(plus(plus(plus(A,B),plus(B,mult(A,B))),plus(plus(A,B),B)),plus(plus(plus(A,B),plus(B,mult(A,B))),plus(A,B))) = plus(plus(A,B),plus(B,mult(A,B))).  [para(158(a,1),36(a,1,1,2,2))].
% 1.28/1.56  184 mult(plus(plus(A,mult(B,B)),plus(B,mult(A,mult(B,B)))),plus(plus(B,mult(A,mult(B,B))),B)) = plus(B,mult(A,mult(B,B))).  [para(80(a,1),158(a,1,2,2))].
% 1.28/1.56  195 plus(plus(mult(plus(A,B),A),mult(C,plus(A,B))),plus(A,B)) = plus(A,B).  [para(15(a,1),178(a,1,1,1,2))].
% 1.28/1.56  204 mult(plus(plus(mult(A,mult(A,B)),mult(A,A)),plus(A,mult(mult(A,mult(A,B)),mult(A,A)))),A) = plus(mult(A,mult(A,B)),mult(A,A)).  [para(178(a,1),83(a,1,2))].
% 1.28/1.56  211 mult(plus(A,A),plus(B,mult(A,plus(plus(mult(A,C),mult(D,A)),A)))) = A.  [para(178(a,1),123(a,1,1,2))].
% 1.28/1.56  216 mult(A,plus(A,mult(plus(mult(A,mult(A,B)),mult(C,A)),A))) = A.  [para(178(a,1),158(a,1,1))].
% 1.28/1.56  237 plus(plus(mult(A,A),mult(B,A)),A) = A.  [para(216(a,1),178(a,1,1,1,2))].
% 1.28/1.56  254 plus(plus(mult(plus(A,mult(B,A)),plus(A,mult(B,A))),A),plus(A,mult(B,A))) = plus(A,mult(B,A)).  [para(158(a,1),237(a,1,1,2))].
% 1.28/1.56  280 plus(plus(mult(plus(plus(A,B),B),plus(plus(A,B),B)),plus(A,B)),plus(plus(A,B),B)) = plus(plus(A,B),B).  [para(179(a,1),237(a,1,1,2))].
% 1.28/1.56  297 plus(plus(mult(A,plus(mult(A,A),mult(B,A))),mult(C,A)),A) = A.  [para(237(a,1),195(a,1,1,1,1)),rewrite([237(8),237(10),237(11)])].
% 1.28/1.56  312 mult(plus(plus(mult(A,plus(mult(A,A),mult(B,A))),mult(A,A)),plus(A,mult(mult(A,plus(mult(A,A),mult(B,A))),mult(A,A)))),A) = plus(mult(A,plus(mult(A,A),mult(B,A))),mult(A,A)).  [para(297(a,1),83(a,1,2))].
% 1.28/1.56  330 mult(plus(plus(plus(mult(A,mult(A,B)),mult(A,A)),plus(A,mult(mult(A,mult(A,B)),mult(A,A)))),A),plus(plus(plus(mult(A,mult(A,B)),mult(A,A)),plus(A,mult(mult(A,mult(A,B)),mult(A,A)))),plus(mult(A,mult(A,B)),mult(A,A)))) = plus(plus(mult(A,mult(A,B)),mult(A,A)),plus(A,mult(mult(A,mult(A,B)),mult(A,A)))).  [para(178(a,1),84(a,1,1,2))].
% 1.28/1.56  352 mult(plus(A,A),plus(B,mult(A,A))) = A.  [para(178(a,1),211(a,1,2,2,2))].
% 1.28/1.56  360 mult(A,A) = A.  [para(352(a,1),80(a,1))].
% 1.28/1.56  363 mult(mult(plus(A,B),plus(B,C)),B) = B.  [para(352(a,1),142(a,1))].
% 1.28/1.56  376 plus(plus(plus(A,B),B),plus(A,B)) = plus(A,B).  [para(352(a,1),237(a,1,1,2)),rewrite([360(1),360(2),360(3),360(3),360(5)])].
% 1.28/1.56  393 mult(plus(plus(plus(mult(A,mult(A,B)),A),plus(A,mult(mult(A,mult(A,B)),A))),A),plus(plus(plus(mult(A,mult(A,B)),A),plus(A,mult(mult(A,mult(A,B)),A))),plus(mult(A,mult(A,B)),A))) = plus(plus(mult(A,mult(A,B)),A),plus(A,mult(mult(A,mult(A,B)),A))).  [back_rewrite(330),rewrite([360(3),360(6),360(12),360(15),360(20),360(25),360(28)])].
% 1.28/1.56  404 mult(plus(plus(mult(A,plus(A,mult(B,A))),A),plus(A,mult(mult(A,plus(A,mult(B,A))),A))),A) = plus(mult(A,plus(A,mult(B,A))),A).  [back_rewrite(312),rewrite([360(1),360(4),360(5),360(8),360(12),360(15)])].
% 1.28/1.56  416 plus(plus(A,B),plus(plus(A,B),B)) = plus(plus(A,B),B).  [back_rewrite(280),rewrite([360(5),376(4)])].
% 1.28/1.56  426 plus(plus(plus(A,mult(B,A)),A),plus(A,mult(B,A))) = plus(A,mult(B,A)).  [back_rewrite(254),rewrite([360(5)])].
% 1.28/1.56  437 plus(plus(A,mult(B,A)),A) = A.  [back_rewrite(237),rewrite([360(1)])].
% 1.28/1.56  439 mult(plus(plus(mult(A,mult(A,B)),A),plus(A,mult(mult(A,mult(A,B)),A))),A) = plus(mult(A,mult(A,B)),A).  [back_rewrite(204),rewrite([360(3),360(6),360(12)])].
% 1.28/1.56  441 mult(plus(plus(A,B),plus(B,mult(A,B))),B) = plus(B,mult(A,B)).  [back_rewrite(184),rewrite([360(1),360(2),360(5),437(7),360(6)])].
% 1.28/1.56  450 plus(A,plus(A,mult(B,A))) = plus(A,mult(B,A)).  [back_rewrite(426),rewrite([437(3)])].
% 1.28/1.56  456 plus(A,mult(mult(A,mult(A,B)),A)) = plus(mult(A,mult(A,B)),A).  [back_rewrite(439),rewrite([441(9)])].
% 1.28/1.56  458 plus(A,mult(mult(A,plus(A,mult(B,A))),A)) = plus(mult(A,plus(A,mult(B,A))),A).  [back_rewrite(404),rewrite([441(11)])].
% 1.28/1.56  473 mult(plus(plus(plus(mult(A,mult(A,B)),A),plus(mult(A,mult(A,B)),A)),A),plus(plus(plus(mult(A,mult(A,B)),A),plus(mult(A,mult(A,B)),A)),plus(mult(A,mult(A,B)),A))) = plus(plus(mult(A,mult(A,B)),A),plus(mult(A,mult(A,B)),A)).  [back_rewrite(393),rewrite([456(7),456(15),456(27)])].
% 1.28/1.56  476 plus(A,A) = A.  [para(360(a,1),15(a,1,2,2)),rewrite([360(3)])].
% 1.28/1.56  478 mult(plus(A,plus(plus(mult(B,mult(A,C)),A),A)),plus(D,mult(A,plus(plus(mult(A,E),A),A)))) = A.  [para(360(a,1),123(a,1,1,2,1,2)),rewrite([360(7)])].
% 1.28/1.56  479 plus(plus(mult(A,mult(A,B)),A),A) = A.  [para(360(a,1),178(a,1,1,2))].
% 1.28/1.56  482 mult(A,plus(B,A)) = A.  [para(360(a,1),211(a,1,2,2,2,1,1)),rewrite([476(1),437(3),360(1)])].
% 1.28/1.56  485 plus(mult(A,mult(A,B)),A) = A.  [back_rewrite(473),rewrite([476(7),479(4),476(7),476(7),482(4),476(7)]),flip(a)].
% 1.28/1.56  495 mult(plus(A,plus(plus(mult(B,mult(A,C)),A),A)),plus(D,A)) = A.  [back_rewrite(478),rewrite([482(9)])].
% 1.28/1.56  535 plus(mult(plus(A,B),B),plus(A,B)) = plus(A,B).  [para(158(a,1),485(a,1,1,2))].
% 1.28/1.56  546 mult(plus(plus(plus(A,plus(B,A)),plus(plus(B,A),A)),plus(plus(A,plus(B,A)),plus(B,A))),plus(plus(plus(A,plus(B,A)),plus(plus(B,A),A)),plus(A,plus(B,A)))) = plus(plus(A,plus(B,A)),plus(plus(B,A),A)).  [para(482(a,1),180(a,1,1,1,2,2)),rewrite([482(15),482(24)])].
% 1.28/1.56  549 mult(mult(A,plus(A,B)),A) = A.  [para(178(a,1),363(a,1,1,1))].
% 1.28/1.56  553 mult(plus(A,B),B) = B.  [para(482(a,1),363(a,1,1))].
% 1.28/1.56  557 plus(mult(A,plus(A,mult(B,A))),A) = A.  [back_rewrite(458),rewrite([549(4),476(1)]),flip(a)].
% 1.28/1.56  558 plus(A,plus(B,A)) = plus(B,A).  [back_rewrite(535),rewrite([553(2)])].
% 1.28/1.56  561 plus(plus(A,B),B) = plus(A,B).  [back_rewrite(546),rewrite([558(2),416(4),558(4),476(5),376(4),558(3),416(5),558(5),376(5),360(3),558(3),416(5)]),flip(a)].
% 1.28/1.56  576 mult(plus(mult(A,mult(B,C)),B),plus(D,B)) = B.  [back_rewrite(495),rewrite([561(4),558(4)])].
% 1.28/1.56  593 plus(mult(A,plus(A,B)),A) = mult(A,plus(A,B)).  [para(549(a,1),15(a,1,2,2)),rewrite([360(7)])].
% 1.28/1.56  600 mult(A,plus(A,mult(B,A))) = A.  [back_rewrite(557),rewrite([593(4)])].
% 1.28/1.56  611 plus(A,mult(B,A)) = A.  [para(600(a,1),36(a,1,1,2,2)),rewrite([450(3),476(3),437(3),450(3),437(3),360(1),450(3)]),flip(a)].
% 1.28/1.56  624 mult(A,mult(B,A)) = mult(B,A).  [para(611(a,1),553(a,1,1))].
% 1.28/1.56  625 plus(mult(A,B),B) = B.  [para(611(a,1),558(a,1,2)),rewrite([611(4)])].
% 1.28/1.56  630 plus(plus(mult(A,B),mult(C,B)),B) = B.  [para(625(a,1),195(a,1,1,1,1)),rewrite([624(2),625(3),625(5),625(6)])].
% 1.28/1.56  684 plus(mult(A,mult(B,C)),B) = B.  [para(576(a,1),360(a,1)),flip(a)].
% 1.28/1.56  715 plus(mult(A,B),A) = A.  [para(360(a,1),684(a,1,1))].
% 1.28/1.56  724 mult(A,plus(A,B)) = A.  [back_rewrite(593),rewrite([715(3)]),flip(a)].
% 1.28/1.56  744 mult(mult(A,B),A) = mult(A,B).  [para(715(a,1),724(a,1,2))].
% 1.28/1.56  819 plus(plus(mult(A,B),mult(B,C)),B) = B.  [para(744(a,1),630(a,1,1,2))].
% 1.28/1.56  820 $F # answer(goals).  [resolve(819,a,2,a)].
% 1.28/1.56  
% 1.28/1.56  % SZS output end Refutation
% 1.28/1.56  ============================== end of proof ==========================
% 1.28/1.56  
% 1.28/1.56  ============================== STATISTICS ============================
% 1.28/1.56  
% 1.28/1.56  Given=74. Generated=5295. Kept=819. proofs=1.
% 1.28/1.56  Usable=25. Sos=89. Demods=114. Limbo=1, Disabled=705. Hints=0.
% 1.28/1.56  Megabytes=2.27.
% 1.28/1.56  User_CPU=0.58, System_CPU=0.01, Wall_clock=0.
% 1.28/1.56  
% 1.28/1.56  ============================== end of statistics =====================
% 1.28/1.56  
% 1.28/1.56  ============================== end of search =========================
% 1.28/1.56  
% 1.28/1.56  THEOREM PROVED
% 1.28/1.56  % SZS status Unsatisfiable
% 1.28/1.56  
% 1.28/1.56  Exiting with 1 proof.
% 1.28/1.56  
% 1.28/1.56  Process 14138 exit (max_proofs) Wed Jun 29 14:32:54 2022
% 1.28/1.56  Prover9 interrupted
%------------------------------------------------------------------------------