TSTP Solution File: KLE015+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : KLE015+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n003.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 02:21:44 EDT 2022

% Result   : Theorem 2.07s 2.36s
% Output   : Refutation 2.07s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : KLE015+1 : TPTP v8.1.0. Released v4.0.0.
% 0.06/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n003.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 : Thu Jun 16 15:02:26 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.43/0.98  ============================== Prover9 ===============================
% 0.43/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.43/0.98  Process 24495 was started by sandbox on n003.cluster.edu,
% 0.43/0.98  Thu Jun 16 15:02:27 2022
% 0.43/0.98  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_24342_n003.cluster.edu".
% 0.43/0.98  ============================== end of head ===========================
% 0.43/0.98  
% 0.43/0.98  ============================== INPUT =================================
% 0.43/0.98  
% 0.43/0.98  % Reading from file /tmp/Prover9_24342_n003.cluster.edu
% 0.43/0.98  
% 0.43/0.98  set(prolog_style_variables).
% 0.43/0.98  set(auto2).
% 0.43/0.98      % set(auto2) -> set(auto).
% 0.43/0.98      % set(auto) -> set(auto_inference).
% 0.43/0.98      % set(auto) -> set(auto_setup).
% 0.43/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.43/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/0.98      % set(auto) -> set(auto_limits).
% 0.43/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/0.98      % set(auto) -> set(auto_denials).
% 0.43/0.98      % set(auto) -> set(auto_process).
% 0.43/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.43/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.43/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.43/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.43/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.43/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.43/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.43/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.43/0.98      % set(auto2) -> assign(stats, some).
% 0.43/0.98      % set(auto2) -> clear(echo_input).
% 0.43/0.98      % set(auto2) -> set(quiet).
% 0.43/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.43/0.98      % set(auto2) -> clear(print_given).
% 0.43/0.98  assign(lrs_ticks,-1).
% 0.43/0.98  assign(sos_limit,10000).
% 0.43/0.98  assign(order,kbo).
% 0.43/0.98  set(lex_order_vars).
% 0.43/0.98  clear(print_given).
% 0.43/0.98  
% 0.43/0.98  % formulas(sos).  % not echoed (17 formulas)
% 0.43/0.98  
% 0.43/0.98  ============================== end of input ==========================
% 0.43/0.98  
% 0.43/0.98  % From the command line: assign(max_seconds, 300).
% 0.43/0.98  
% 0.43/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/0.98  
% 0.43/0.98  % Formulas that are not ordinary clauses:
% 0.43/0.98  1 (all A all B addition(A,B) = addition(B,A)) # label(additive_commutativity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  2 (all C all B all A addition(A,addition(B,C)) = addition(addition(A,B),C)) # label(additive_associativity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  3 (all A addition(A,zero) = A) # label(additive_identity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  4 (all A addition(A,A) = A) # label(additive_idempotence) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  5 (all A all B all C multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C)) # label(multiplicative_associativity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  6 (all A multiplication(A,one) = A) # label(multiplicative_right_identity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  7 (all A multiplication(one,A) = A) # label(multiplicative_left_identity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  8 (all A all B all C multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C))) # label(right_distributivity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  9 (all A all B all C multiplication(addition(A,B),C) = addition(multiplication(A,C),multiplication(B,C))) # label(left_distributivity) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  10 (all A multiplication(A,zero) = zero) # label(right_annihilation) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  11 (all A multiplication(zero,A) = zero) # label(left_annihilation) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  12 (all A all B (leq(A,B) <-> addition(A,B) = B)) # label(order) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  13 (all X0 (test(X0) <-> (exists X1 complement(X1,X0)))) # label(test_1) # label(axiom) # label(non_clause).  [assumption].
% 0.43/0.98  14 (all X0 all X1 (complement(X1,X0) <-> multiplication(X0,X1) = zero & multiplication(X1,X0) = zero & addition(X0,X1) = one)) # label(test_2) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  15 (all X0 all X1 (test(X0) -> (c(X0) = X1 <-> complement(X0,X1)))) # label(test_3) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  16 (all X0 (-test(X0) -> c(X0) = zero)) # label(test_4) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  17 -(all X0 all X1 (test(X1) & test(X0) -> multiplication(multiplication(addition(X0,X1),c(X0)),c(X1)) = zero)) # label(goals) # label(negated_conjecture) # label(non_clause).  [assumption].
% 2.07/2.36  
% 2.07/2.36  ============================== end of process non-clausal formulas ===
% 2.07/2.36  
% 2.07/2.36  ============================== PROCESS INITIAL CLAUSES ===============
% 2.07/2.36  
% 2.07/2.36  ============================== PREDICATE ELIMINATION =================
% 2.07/2.36  18 -test(A) | complement(f1(A),A) # label(test_1) # label(axiom).  [clausify(13)].
% 2.07/2.36  19 test(c2) # label(goals) # label(negated_conjecture).  [clausify(17)].
% 2.07/2.36  20 test(c1) # label(goals) # label(negated_conjecture).  [clausify(17)].
% 2.07/2.36  21 test(A) | c(A) = zero # label(test_4) # label(axiom).  [clausify(16)].
% 2.07/2.36  22 test(A) | -complement(B,A) # label(test_1) # label(axiom).  [clausify(13)].
% 2.07/2.36  Derived: complement(f1(c2),c2).  [resolve(18,a,19,a)].
% 2.07/2.36  Derived: complement(f1(c1),c1).  [resolve(18,a,20,a)].
% 2.07/2.36  Derived: complement(f1(A),A) | c(A) = zero.  [resolve(18,a,21,a)].
% 2.07/2.36  Derived: complement(f1(A),A) | -complement(B,A).  [resolve(18,a,22,a)].
% 2.07/2.36  23 -test(A) | c(A) != B | complement(A,B) # label(test_3) # label(axiom).  [clausify(15)].
% 2.07/2.36  Derived: c(c2) != A | complement(c2,A).  [resolve(23,a,19,a)].
% 2.07/2.36  Derived: c(c1) != A | complement(c1,A).  [resolve(23,a,20,a)].
% 2.07/2.36  Derived: c(A) != B | complement(A,B) | c(A) = zero.  [resolve(23,a,21,a)].
% 2.07/2.36  Derived: c(A) != B | complement(A,B) | -complement(C,A).  [resolve(23,a,22,a)].
% 2.07/2.36  24 -test(A) | c(A) = B | -complement(A,B) # label(test_3) # label(axiom).  [clausify(15)].
% 2.07/2.36  Derived: c(c2) = A | -complement(c2,A).  [resolve(24,a,19,a)].
% 2.07/2.36  Derived: c(c1) = A | -complement(c1,A).  [resolve(24,a,20,a)].
% 2.07/2.36  Derived: c(A) = B | -complement(A,B) | c(A) = zero.  [resolve(24,a,21,a)].
% 2.07/2.36  Derived: c(A) = B | -complement(A,B) | -complement(C,A).  [resolve(24,a,22,a)].
% 2.07/2.36  25 leq(A,B) | addition(A,B) != B # label(order) # label(axiom).  [clausify(12)].
% 2.07/2.36  26 -leq(A,B) | addition(A,B) = B # label(order) # label(axiom).  [clausify(12)].
% 2.07/2.36  
% 2.07/2.36  ============================== end predicate elimination =============
% 2.07/2.36  
% 2.07/2.36  Auto_denials:  (non-Horn, no changes).
% 2.07/2.36  
% 2.07/2.36  Term ordering decisions:
% 2.07/2.36  Function symbol KB weights:  zero=1. one=1. c1=1. c2=1. multiplication=1. addition=1. c=1. f1=1.
% 2.07/2.36  
% 2.07/2.36  ============================== end of process initial clauses ========
% 2.07/2.36  
% 2.07/2.36  ============================== CLAUSES FOR SEARCH ====================
% 2.07/2.36  
% 2.07/2.36  ============================== end of clauses for search =============
% 2.07/2.36  
% 2.07/2.36  ============================== SEARCH ================================
% 2.07/2.36  
% 2.07/2.36  % Starting search at 0.01 seconds.
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=82.000, iters=3367
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=74.000, iters=3466
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=68.000, iters=3436
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=67.000, iters=3381
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=64.000, iters=3361
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=60.000, iters=3424
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=58.000, iters=3366
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=54.000, iters=3485
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=53.000, iters=3420
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=52.000, iters=3417
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=48.000, iters=3350
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=46.000, iters=3339
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=44.000, iters=3340
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=42.000, iters=3343
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=40.000, iters=3346
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=39.000, iters=3362
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=37.000, iters=3342
% 2.07/2.36  
% 2.07/2.36  Low Water (keep): wt=36.000, iters=3393
% 2.07/2.36  
% 2.07/2.36  ============================== PROOF =================================
% 2.07/2.36  % SZS status Theorem
% 2.07/2.36  % SZS output start Refutation
% 2.07/2.36  
% 2.07/2.36  % Proof 1 at 1.36 (+ 0.03) seconds.
% 2.07/2.36  % Length of proof is 72.
% 2.07/2.36  % Level of proof is 10.
% 2.07/2.36  % Maximum clause weight is 18.000.
% 2.07/2.36  % Given clauses 427.
% 2.07/2.36  
% 2.07/2.36  1 (all A all B addition(A,B) = addition(B,A)) # label(additive_commutativity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  2 (all C all B all A addition(A,addition(B,C)) = addition(addition(A,B),C)) # label(additive_associativity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  3 (all A addition(A,zero) = A) # label(additive_identity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  4 (all A addition(A,A) = A) # label(additive_idempotence) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  5 (all A all B all C multiplication(A,multiplication(B,C)) = multiplication(multiplication(A,B),C)) # label(multiplicative_associativity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  6 (all A multiplication(A,one) = A) # label(multiplicative_right_identity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  7 (all A multiplication(one,A) = A) # label(multiplicative_left_identity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  8 (all A all B all C multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C))) # label(right_distributivity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  9 (all A all B all C multiplication(addition(A,B),C) = addition(multiplication(A,C),multiplication(B,C))) # label(left_distributivity) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  10 (all A multiplication(A,zero) = zero) # label(right_annihilation) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  11 (all A multiplication(zero,A) = zero) # label(left_annihilation) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  13 (all X0 (test(X0) <-> (exists X1 complement(X1,X0)))) # label(test_1) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  14 (all X0 all X1 (complement(X1,X0) <-> multiplication(X0,X1) = zero & multiplication(X1,X0) = zero & addition(X0,X1) = one)) # label(test_2) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  15 (all X0 all X1 (test(X0) -> (c(X0) = X1 <-> complement(X0,X1)))) # label(test_3) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  16 (all X0 (-test(X0) -> c(X0) = zero)) # label(test_4) # label(axiom) # label(non_clause).  [assumption].
% 2.07/2.36  17 -(all X0 all X1 (test(X1) & test(X0) -> multiplication(multiplication(addition(X0,X1),c(X0)),c(X1)) = zero)) # label(goals) # label(negated_conjecture) # label(non_clause).  [assumption].
% 2.07/2.36  18 -test(A) | complement(f1(A),A) # label(test_1) # label(axiom).  [clausify(13)].
% 2.07/2.36  19 test(c2) # label(goals) # label(negated_conjecture).  [clausify(17)].
% 2.07/2.36  20 test(c1) # label(goals) # label(negated_conjecture).  [clausify(17)].
% 2.07/2.36  21 test(A) | c(A) = zero # label(test_4) # label(axiom).  [clausify(16)].
% 2.07/2.36  22 test(A) | -complement(B,A) # label(test_1) # label(axiom).  [clausify(13)].
% 2.07/2.36  23 -test(A) | c(A) != B | complement(A,B) # label(test_3) # label(axiom).  [clausify(15)].
% 2.07/2.36  24 -test(A) | c(A) = B | -complement(A,B) # label(test_3) # label(axiom).  [clausify(15)].
% 2.07/2.36  27 addition(A,zero) = A # label(additive_identity) # label(axiom).  [clausify(3)].
% 2.07/2.36  28 addition(A,A) = A # label(additive_idempotence) # label(axiom).  [clausify(4)].
% 2.07/2.36  29 multiplication(A,one) = A # label(multiplicative_right_identity) # label(axiom).  [clausify(6)].
% 2.07/2.36  30 multiplication(one,A) = A # label(multiplicative_left_identity) # label(axiom).  [clausify(7)].
% 2.07/2.36  31 multiplication(A,zero) = zero # label(right_annihilation) # label(axiom).  [clausify(10)].
% 2.07/2.36  32 multiplication(zero,A) = zero # label(left_annihilation) # label(axiom).  [clausify(11)].
% 2.07/2.36  33 addition(A,B) = addition(B,A) # label(additive_commutativity) # label(axiom).  [clausify(1)].
% 2.07/2.36  34 addition(addition(A,B),C) = addition(A,addition(B,C)) # label(additive_associativity) # label(axiom).  [clausify(2)].
% 2.07/2.36  35 addition(A,addition(B,C)) = addition(C,addition(A,B)).  [copy(34),rewrite([33(2)]),flip(a)].
% 2.07/2.36  36 multiplication(multiplication(A,B),C) = multiplication(A,multiplication(B,C)) # label(multiplicative_associativity) # label(axiom).  [clausify(5)].
% 2.07/2.36  37 multiplication(A,addition(B,C)) = addition(multiplication(A,B),multiplication(A,C)) # label(right_distributivity) # label(axiom).  [clausify(8)].
% 2.07/2.36  38 addition(multiplication(A,B),multiplication(A,C)) = multiplication(A,addition(B,C)).  [copy(37),flip(a)].
% 2.07/2.36  39 multiplication(addition(A,B),C) = addition(multiplication(A,C),multiplication(B,C)) # label(left_distributivity) # label(axiom).  [clausify(9)].
% 2.07/2.36  40 addition(multiplication(A,B),multiplication(C,B)) = multiplication(addition(A,C),B).  [copy(39),flip(a)].
% 2.07/2.36  41 multiplication(multiplication(addition(c1,c2),c(c1)),c(c2)) != zero # label(goals) # label(negated_conjecture).  [clausify(17)].
% 2.07/2.36  42 multiplication(addition(c1,c2),multiplication(c(c1),c(c2))) != zero.  [copy(41),rewrite([36(9)])].
% 2.07/2.36  44 -complement(A,B) | multiplication(A,B) = zero # label(test_2) # label(axiom).  [clausify(14)].
% 2.07/2.36  45 -complement(A,B) | addition(B,A) = one # label(test_2) # label(axiom).  [clausify(14)].
% 2.07/2.36  46 -complement(A,B) | addition(A,B) = one.  [copy(45),rewrite([33(2)])].
% 2.07/2.36  47 complement(A,B) | multiplication(B,A) != zero | multiplication(A,B) != zero | addition(B,A) != one # label(test_2) # label(axiom).  [clausify(14)].
% 2.07/2.36  48 complement(A,B) | multiplication(B,A) != zero | multiplication(A,B) != zero | addition(A,B) != one.  [copy(47),rewrite([33(8)])].
% 2.07/2.36  52 complement(f1(A),A) | -complement(B,A).  [resolve(18,a,22,a)].
% 2.07/2.36  53 c(c2) != A | complement(c2,A).  [resolve(23,a,19,a)].
% 2.07/2.36  54 c(c1) != A | complement(c1,A).  [resolve(23,a,20,a)].
% 2.07/2.36  59 c(A) = B | -complement(A,B) | c(A) = zero.  [resolve(24,a,21,a)].
% 2.07/2.36  60 c(A) = B | -complement(A,B) | -complement(C,A).  [resolve(24,a,22,a)].
% 2.07/2.36  62 c(A) = zero | -complement(A,zero).  [factor(59,a,c)].
% 2.07/2.36  64 addition(A,addition(A,B)) = addition(A,B).  [para(35(a,1),28(a,1)),rewrite([33(1),33(2),35(2,R),28(1),33(3)])].
% 2.07/2.36  65 addition(zero,multiplication(A,B)) = multiplication(A,B).  [para(27(a,1),38(a,2,2)),rewrite([31(3),33(3)])].
% 2.07/2.36  68 addition(multiplication(A,multiplication(B,C)),multiplication(D,C)) = multiplication(addition(D,multiplication(A,B)),C).  [para(36(a,1),40(a,1,1)),rewrite([33(6)])].
% 2.07/2.36  73 complement(one,zero).  [resolve(48,d,27,a),rewrite([29(6),31(9)]),xx(b),xx(c)].
% 2.07/2.36  87 complement(c2,c(c2)).  [resolve(53,a,30,a(flip)),rewrite([30(5)])].
% 2.07/2.36  89 complement(c1,c(c1)).  [resolve(54,a,30,a(flip)),rewrite([30(5)])].
% 2.07/2.36  101 c(one) = zero.  [resolve(73,a,62,b)].
% 2.07/2.36  105 addition(zero,one) = one.  [resolve(73,a,46,a),rewrite([33(3)])].
% 2.07/2.36  110 multiplication(c2,c(c2)) = zero.  [resolve(87,a,44,a)].
% 2.07/2.36  114 complement(f1(c(c1)),c(c1)).  [resolve(89,a,52,b)].
% 2.07/2.36  116 multiplication(c1,c(c1)) = zero.  [resolve(89,a,44,a)].
% 2.07/2.36  121 complement(zero,one).  [resolve(105,a,48,d),rewrite([31(6),29(9)]),xx(b),xx(c)].
% 2.07/2.36  122 zero = A | -complement(one,A).  [resolve(121,a,60,c),rewrite([101(2)])].
% 2.07/2.36  236 multiplication(addition(c2,multiplication(A,B)),c(c2)) = multiplication(A,multiplication(B,c(c2))).  [para(110(a,1),68(a,1,2)),rewrite([33(6),65(6)]),flip(a)].
% 2.07/2.36  252 addition(c(c1),f1(c(c1))) = one.  [resolve(114,a,46,a),rewrite([33(6)])].
% 2.07/2.36  255 multiplication(c1,multiplication(c(c1),A)) = zero.  [para(116(a,1),36(a,1,1)),rewrite([32(2)]),flip(a)].
% 2.07/2.36  284 -complement(one,multiplication(addition(c1,c2),multiplication(c(c1),c(c2)))).  [ur(122,a,42,a(flip))].
% 2.07/2.36  388 addition(one,c(c1)) = one.  [para(252(a,1),64(a,1,2)),rewrite([33(4),252(10)])].
% 2.07/2.36  396 addition(A,multiplication(A,c(c1))) = A.  [para(388(a,1),38(a,2,2)),rewrite([29(2),29(6)])].
% 2.07/2.36  8024 multiplication(c2,multiplication(c(c1),c(c2))) = zero.  [para(396(a,1),236(a,1,1)),rewrite([110(4)]),flip(a)].
% 2.07/2.36  8071 multiplication(addition(A,c2),multiplication(c(c1),c(c2))) = multiplication(A,multiplication(c(c1),c(c2))).  [para(8024(a,1),40(a,1,1)),rewrite([65(8),33(8)]),flip(a)].
% 2.07/2.36  8094 $F.  [back_rewrite(284),rewrite([8071(10),255(8)]),unit_del(a,73)].
% 2.07/2.36  
% 2.07/2.36  % SZS output end Refutation
% 2.07/2.36  ============================== end of proof ==========================
% 2.07/2.36  
% 2.07/2.36  ============================== STATISTICS ============================
% 2.07/2.36  
% 2.07/2.36  Given=427. Generated=37227. Kept=8061. proofs=1.
% 2.07/2.36  Usable=393. Sos=7231. Demods=1732. Limbo=23, Disabled=451. Hints=0.
% 2.07/2.36  Megabytes=10.36.
% 2.07/2.36  User_CPU=1.36, System_CPU=0.03, Wall_clock=1.
% 2.07/2.36  
% 2.07/2.36  ============================== end of statistics =====================
% 2.07/2.36  
% 2.07/2.36  ============================== end of search =========================
% 2.07/2.36  
% 2.07/2.36  THEOREM PROVED
% 2.07/2.36  % SZS status Theorem
% 2.07/2.36  
% 2.07/2.36  Exiting with 1 proof.
% 2.07/2.36  
% 2.07/2.36  Process 24495 exit (max_proofs) Thu Jun 16 15:02:28 2022
% 2.07/2.36  Prover9 interrupted
%------------------------------------------------------------------------------