TSTP Solution File: GRP380-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP380-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n007.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 : Sat Jul 16 11:18:50 EDT 2022

% Result   : Unsatisfiable 71.33s 71.57s
% Output   : Refutation 71.33s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP380-1 : TPTP v8.1.0. Released v2.5.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.34  % Computer : n007.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jun 13 17:04:39 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 51.94/52.18  ============================== Prover9 ===============================
% 51.94/52.18  Prover9 (32) version 2009-11A, November 2009.
% 51.94/52.18  Process 11278 was started by sandbox on n007.cluster.edu,
% 51.94/52.18  Mon Jun 13 17:04:39 2022
% 51.94/52.18  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_11124_n007.cluster.edu".
% 51.94/52.18  ============================== end of head ===========================
% 51.94/52.18  
% 51.94/52.18  ============================== INPUT =================================
% 51.94/52.18  
% 51.94/52.18  % Reading from file /tmp/Prover9_11124_n007.cluster.edu
% 51.94/52.18  
% 51.94/52.18  set(prolog_style_variables).
% 51.94/52.18  set(auto2).
% 51.94/52.18      % set(auto2) -> set(auto).
% 51.94/52.18      % set(auto) -> set(auto_inference).
% 51.94/52.18      % set(auto) -> set(auto_setup).
% 51.94/52.18      % set(auto_setup) -> set(predicate_elim).
% 51.94/52.18      % set(auto_setup) -> assign(eq_defs, unfold).
% 51.94/52.18      % set(auto) -> set(auto_limits).
% 51.94/52.18      % set(auto_limits) -> assign(max_weight, "100.000").
% 51.94/52.18      % set(auto_limits) -> assign(sos_limit, 20000).
% 51.94/52.18      % set(auto) -> set(auto_denials).
% 51.94/52.18      % set(auto) -> set(auto_process).
% 51.94/52.18      % set(auto2) -> assign(new_constants, 1).
% 51.94/52.18      % set(auto2) -> assign(fold_denial_max, 3).
% 51.94/52.18      % set(auto2) -> assign(max_weight, "200.000").
% 51.94/52.18      % set(auto2) -> assign(max_hours, 1).
% 51.94/52.18      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 51.94/52.18      % set(auto2) -> assign(max_seconds, 0).
% 51.94/52.18      % set(auto2) -> assign(max_minutes, 5).
% 51.94/52.18      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 51.94/52.18      % set(auto2) -> set(sort_initial_sos).
% 51.94/52.18      % set(auto2) -> assign(sos_limit, -1).
% 51.94/52.18      % set(auto2) -> assign(lrs_ticks, 3000).
% 51.94/52.18      % set(auto2) -> assign(max_megs, 400).
% 51.94/52.18      % set(auto2) -> assign(stats, some).
% 51.94/52.18      % set(auto2) -> clear(echo_input).
% 51.94/52.18      % set(auto2) -> set(quiet).
% 51.94/52.18      % set(auto2) -> clear(print_initial_clauses).
% 51.94/52.18      % set(auto2) -> clear(print_given).
% 51.94/52.18  assign(lrs_ticks,-1).
% 51.94/52.18  assign(sos_limit,10000).
% 51.94/52.18  assign(order,kbo).
% 51.94/52.18  set(lex_order_vars).
% 51.94/52.18  clear(print_given).
% 51.94/52.18  
% 51.94/52.18  % formulas(sos).  % not echoed (54 formulas)
% 51.94/52.18  
% 51.94/52.18  ============================== end of input ==========================
% 51.94/52.18  
% 51.94/52.18  % From the command line: assign(max_seconds, 300).
% 51.94/52.18  
% 51.94/52.18  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 51.94/52.18  
% 51.94/52.18  % Formulas that are not ordinary clauses:
% 51.94/52.18  
% 51.94/52.18  ============================== end of process non-clausal formulas ===
% 51.94/52.18  
% 51.94/52.18  ============================== PROCESS INITIAL CLAUSES ===============
% 51.94/52.18  
% 51.94/52.18  ============================== PREDICATE ELIMINATION =================
% 51.94/52.18  
% 51.94/52.18  ============================== end predicate elimination =============
% 51.94/52.18  
% 51.94/52.18  Auto_denials:  (non-Horn, no changes).
% 51.94/52.18  
% 51.94/52.18  Term ordering decisions:
% 51.94/52.18  
% 51.94/52.18  % Assigning unary symbol inverse kb_weight 0 and highest precedence (15).
% 51.94/52.18  Function symbol KB weights:  sk_c10=1. sk_c11=1. sk_c2=1. sk_c8=1. sk_c9=1. sk_c1=1. sk_c6=1. sk_c3=1. sk_c4=1. sk_c5=1. sk_c7=1. identity=1. multiply=1. inverse=0.
% 51.94/52.18  
% 51.94/52.18  ============================== end of process initial clauses ========
% 51.94/52.18  
% 51.94/52.18  ============================== CLAUSES FOR SEARCH ====================
% 51.94/52.18  
% 51.94/52.18  ============================== end of clauses for search =============
% 51.94/52.18  
% 51.94/52.18  ============================== SEARCH ================================
% 51.94/52.18  
% 51.94/52.18  % Starting search at 0.66 seconds.
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=2434, wt=83.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=9214, wt=81.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=4188, wt=80.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=9204, wt=79.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=1286, wt=71.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=10560, wt=61.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=10562, wt=59.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=10565, wt=58.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=10639, wt=57.000
% 51.94/52.18  
% 51.94/52.18  Low Water (keep): wt=59.000, iters=4894
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=11009, wt=56.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=14169, wt=54.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=17269, wt=53.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=19066, wt=51.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=19116, wt=50.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=22600, wt=49.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=31126, wt=48.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=31142, wt=46.000
% 51.94/52.18  
% 51.94/52.18  Low Water (displace): id=31323, wt=45.000
% 51.94/52.18  
% 51.94/52.18  Low Water (keep): wt=58.000, iters=6367
% 51.94/52.18  
% 51.94/52.18  Low Water (keep): wt=55.000, iters=4894
% 51.94/52.18  
% 51.94/52.18  Low Water (keep): wt=54.000, iters=4420
% 51.94/52.18  
% 51.94/52.18  Low Water (keep): wt=53.000, iters=3353
% 51.94/52.18  
% 51.94/52.18  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 78 (0.00 of 50.91 sec).
% 71.33/71.57  
% 71.33/71.57  Low Water (keep): wt=52.000, iters=3361
% 71.33/71.57  
% 71.33/71.57  Low Water (keep): wt=51.000, iters=3386
% 71.33/71.57  
% 71.33/71.57  Low Water (keep): wt=50.000, iters=3440
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=107672, wt=44.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=107688, wt=43.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108276, wt=36.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108278, wt=35.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108353, wt=31.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108450, wt=17.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108451, wt=14.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108480, wt=13.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=108597, wt=12.000
% 71.33/71.57  
% 71.33/71.57  Low Water (keep): wt=49.000, iters=3334
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=110848, wt=11.000
% 71.33/71.57  
% 71.33/71.57  Low Water (displace): id=120213, wt=10.000
% 71.33/71.57  
% 71.33/71.57  ============================== PROOF =================================
% 71.33/71.57  % SZS status Unsatisfiable
% 71.33/71.57  % SZS output start Refutation
% 71.33/71.57  
% 71.33/71.57  % Proof 1 at 70.12 (+ 0.45) seconds.
% 71.33/71.57  % Length of proof is 70.
% 71.33/71.57  % Level of proof is 18.
% 71.33/71.57  % Maximum clause weight is 68.000.
% 71.33/71.57  % Given clauses 1366.
% 71.33/71.57  
% 71.33/71.57  1 multiply(identity,A) = A # label(left_identity) # label(axiom).  [assumption].
% 71.33/71.57  2 multiply(inverse(A),A) = identity # label(left_inverse) # label(axiom).  [assumption].
% 71.33/71.57  3 inverse(sk_c11) = sk_c10 | inverse(sk_c3) = sk_c11 # label(prove_this_2) # label(negated_conjecture).  [assumption].
% 71.33/71.57  4 inverse(sk_c11) = sk_c10 | inverse(sk_c4) = sk_c10 # label(prove_this_4) # label(negated_conjecture).  [assumption].
% 71.33/71.57  5 inverse(sk_c11) = sk_c10 | inverse(sk_c5) = sk_c8 # label(prove_this_6) # label(negated_conjecture).  [assumption].
% 71.33/71.57  8 inverse(sk_c1) = sk_c2 | inverse(sk_c3) = sk_c11 # label(prove_this_32) # label(negated_conjecture).  [assumption].
% 71.33/71.57  13 inverse(sk_c11) = sk_c10 | multiply(sk_c3,sk_c11) = sk_c10 # label(prove_this_1) # label(negated_conjecture).  [assumption].
% 71.33/71.57  15 inverse(sk_c11) = sk_c10 | multiply(sk_c5,sk_c8) = sk_c11 # label(prove_this_5) # label(negated_conjecture).  [assumption].
% 71.33/71.57  19 multiply(sk_c10,sk_c9) = sk_c11 | inverse(sk_c4) = sk_c10 # label(prove_this_14) # label(negated_conjecture).  [assumption].
% 71.33/71.57  23 multiply(sk_c1,sk_c2) = sk_c10 | inverse(sk_c3) = sk_c11 # label(prove_this_22) # label(negated_conjecture).  [assumption].
% 71.33/71.57  24 multiply(sk_c1,sk_c2) = sk_c10 | inverse(sk_c4) = sk_c10 # label(prove_this_24) # label(negated_conjecture).  [assumption].
% 71.33/71.57  28 inverse(sk_c1) = sk_c2 | multiply(sk_c3,sk_c11) = sk_c10 # label(prove_this_31) # label(negated_conjecture).  [assumption].
% 71.33/71.57  39 multiply(sk_c10,sk_c9) = sk_c11 | multiply(sk_c4,sk_c10) = sk_c9 # label(prove_this_13) # label(negated_conjecture).  [assumption].
% 71.33/71.57  43 multiply(sk_c1,sk_c2) = sk_c10 | multiply(sk_c3,sk_c11) = sk_c10 # label(prove_this_21) # label(negated_conjecture).  [assumption].
% 71.33/71.57  53 multiply(multiply(A,B),C) = multiply(A,multiply(B,C)) # label(associativity) # label(axiom).  [assumption].
% 71.33/71.57  54 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,B) != sk_c10 | inverse(A) != B | multiply(B,sk_c9) != sk_c10 | multiply(C,sk_c11) != sk_c10 | inverse(C) != sk_c11 | multiply(D,sk_c10) != sk_c9 | inverse(D) != sk_c10 | multiply(E,F) != sk_c11 | inverse(E) != F | multiply(F,sk_c10) != sk_c11 | inverse(V6) != V7 | inverse(V7) != F | multiply(V6,F) != V7 # label(prove_this_51) # label(negated_conjecture).  [assumption].
% 71.33/71.57  56 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,B) != sk_c10 | inverse(A) != B | multiply(B,sk_c9) != sk_c10 | multiply(C,sk_c11) != sk_c10 | inverse(C) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(D,E) != sk_c11 | inverse(D) != E | multiply(E,sk_c10) != sk_c11 | inverse(F) != V6 | inverse(V6) != E | multiply(F,E) != V6.  [factor(54,a,i)].
% 71.33/71.57  104 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,B) != sk_c10 | inverse(A) != B | multiply(B,sk_c9) != sk_c10 | multiply(C,sk_c11) != sk_c10 | inverse(C) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c10,sk_c10) != sk_c11 | inverse(D) != E | inverse(E) != sk_c10 | multiply(D,sk_c10) != E.  [factor(56,a,j)].
% 71.33/71.57  370 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,B) != sk_c10 | inverse(A) != B | multiply(B,sk_c9) != sk_c10 | multiply(C,sk_c11) != sk_c10 | inverse(C) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c10,sk_c10) != sk_c11 | multiply(C,sk_c10) != sk_c11.  [factor(104,g,k),merge(k)].
% 71.33/71.57  800 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,B) != sk_c10 | inverse(A) != B | multiply(B,sk_c9) != sk_c10 | multiply(sk_c10,sk_c11) != sk_c10 | inverse(sk_c10) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c10,sk_c10) != sk_c11.  [factor(370,j,k)].
% 71.33/71.57  1029 inverse(sk_c11) = sk_c10 | multiply(sk_c11,sk_c3) = identity.  [para(3(b,1),2(a,1,1))].
% 71.33/71.57  1030 inverse(sk_c11) = sk_c10 | multiply(sk_c10,sk_c4) = identity.  [para(4(b,1),2(a,1,1))].
% 71.33/71.57  1031 inverse(sk_c11) = sk_c10 | multiply(sk_c8,sk_c5) = identity.  [para(5(b,1),2(a,1,1))].
% 71.33/71.57  1039 multiply(inverse(A),multiply(A,B)) = B.  [para(2(a,1),53(a,1,1)),rewrite([1(2)]),flip(a)].
% 71.33/71.57  1052 inverse(sk_c4) = sk_c10 | multiply(sk_c10,multiply(sk_c9,A)) = multiply(sk_c11,A).  [para(19(a,1),53(a,1,1)),flip(b)].
% 71.33/71.57  92481 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,sk_c10) != inverse(inverse(A)) | multiply(A,multiply(sk_c10,sk_c9)) != sk_c10 | multiply(sk_c10,sk_c11) != sk_c10 | inverse(sk_c10) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c10,sk_c10) != sk_c11.  [resolve(1039,a,800,c),rewrite([53(18)]),flip(c)].
% 71.33/71.57  92997 multiply(inverse(inverse(A)),identity) = A.  [para(2(a,1),1039(a,1,2))].
% 71.33/71.57  93033 multiply(sk_c10,sk_c9) = sk_c11 | multiply(inverse(sk_c4),sk_c9) = sk_c10.  [para(39(b,1),1039(a,1,2))].
% 71.33/71.57  93439 inverse(sk_c11) = sk_c10 | multiply(inverse(sk_c11),identity) = sk_c3.  [para(1029(b,1),1039(a,1,2))].
% 71.33/71.57  93440 multiply(inverse(inverse(A)),B) = multiply(A,B).  [para(1039(a,1),1039(a,1,2))].
% 71.33/71.57  94396 multiply(A,identity) = A.  [back_rewrite(92997),rewrite([93440(4)])].
% 71.33/71.57  95023 inverse(sk_c11) = sk_c10 | inverse(sk_c11) = sk_c3.  [back_rewrite(93439),rewrite([94396(8)])].
% 71.33/71.57  95680 inverse(identity) = identity.  [para(94396(a,1),2(a,1))].
% 71.33/71.57  96939 inverse(sk_c11) = sk_c10 | multiply(sk_c3,sk_c11) = identity.  [para(95023(b,1),2(a,1,1))].
% 71.33/71.57  96942 inverse(sk_c11) = sk_c10 | inverse(sk_c10) = sk_c4.  [para(1030(b,1),1039(a,1,2)),rewrite([94396(8)])].
% 71.33/71.57  96952 inverse(sk_c11) = sk_c10 | inverse(sk_c8) = sk_c5.  [para(1031(b,1),1039(a,1,2)),rewrite([94396(8)])].
% 71.33/71.57  96953 inverse(sk_c11) = sk_c10 | multiply(sk_c5,sk_c8) = identity.  [para(96952(b,1),2(a,1,1))].
% 71.33/71.57  98359 multiply(A,inverse(A)) = identity.  [para(93440(a,1),2(a,1))].
% 71.33/71.57  100675 inverse(inverse(A)) = A.  [para(93440(a,1),94396(a,1)),rewrite([94396(2)]),flip(a)].
% 71.33/71.57  101011 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(A,sk_c10) != A | multiply(A,multiply(sk_c10,sk_c9)) != sk_c10 | multiply(sk_c10,sk_c11) != sk_c10 | inverse(sk_c10) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c10,sk_c10) != sk_c11.  [back_rewrite(92481),rewrite([100675(13)])].
% 71.33/71.57  101885 inverse(sk_c11) != sk_c10 | multiply(sk_c10,sk_c9) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c11 | multiply(sk_c11,multiply(sk_c10,sk_c9)) != sk_c10 | multiply(sk_c10,sk_c11) != sk_c10 | inverse(sk_c10) != sk_c11 | multiply(sk_c11,sk_c10) != sk_c9 | multiply(sk_c10,sk_c10) != sk_c11.  [factor(101011,c,h)].
% 71.33/71.57  102531 inverse(sk_c10) = sk_c4 | inverse(sk_c10) = sk_c11.  [para(96942(a,1),100675(a,1,1))].
% 71.33/71.57  103629 inverse(sk_c1) = sk_c2 | multiply(sk_c3,sk_c11) = identity.  [para(8(b,1),98359(a,1,2))].
% 71.33/71.57  107549 inverse(sk_c11) = sk_c10 | identity = sk_c10.  [para(96939(b,1),13(b,1)),merge(b)].
% 71.33/71.57  107556 identity = sk_c10 | inverse(sk_c10) = sk_c11.  [para(107549(a,1),100675(a,1,1))].
% 71.33/71.57  107762 inverse(sk_c11) = sk_c10 | identity = sk_c11.  [para(96953(b,1),15(b,1)),merge(b)].
% 71.33/71.57  107767 identity = sk_c11 | inverse(sk_c10) = sk_c11.  [para(107762(a,1),100675(a,1,1))].
% 71.33/71.57  108127 inverse(sk_c1) = sk_c2 | identity = sk_c10.  [para(103629(b,1),28(b,1)),merge(b)].
% 71.33/71.57  108136 identity = sk_c10 | multiply(sk_c1,sk_c2) = identity.  [para(108127(a,1),98359(a,1,2))].
% 71.33/71.57  108165 identity = sk_c10 | inverse(sk_c3) = sk_c11.  [para(108136(b,1),23(a,1)),merge(b)].
% 71.33/71.57  108166 identity = sk_c10 | inverse(sk_c4) = sk_c10.  [para(108136(b,1),24(a,1)),merge(b)].
% 71.33/71.57  108177 identity = sk_c10 | multiply(sk_c3,sk_c11) = identity.  [para(108165(b,1),98359(a,1,2))].
% 71.33/71.57  108183 identity = sk_c10 | inverse(sk_c10) = sk_c4.  [para(108166(b,1),100675(a,1,1))].
% 71.33/71.57  108196 inverse(sk_c4) = sk_c10 | multiply(sk_c10,multiply(sk_c9,inverse(sk_c11))) = identity.  [para(98359(a,1),1052(b,2))].
% 71.33/71.57  108282 identity = sk_c10 | sk_c4 = sk_c11.  [para(108183(b,1),107556(b,1)),merge(b)].
% 71.33/71.57  108287 sk_c4 = sk_c11 | inverse(sk_c10) = identity.  [para(108282(a,1),95680(a,1,1))].
% 71.33/71.57  108419 sk_c4 = sk_c11 | identity = sk_c11.  [para(108287(b,1),107767(b,1)),merge(c)].
% 71.33/71.57  108448 sk_c4 = sk_c11 | sk_c11 = sk_c10.  [para(108419(b,1),108282(a,1)),merge(c)].
% 71.33/71.57  108469 sk_c11 = sk_c10 | inverse(sk_c10) = sk_c11.  [para(108448(a,1),102531(a,2)),merge(c)].
% 71.33/71.57  109071 identity = sk_c10 | multiply(sk_c1,sk_c2) = sk_c10.  [para(108177(b,1),43(b,1)),merge(c)].
% 71.33/71.57  120383 identity = sk_c10.  [para(109071(b,1),108136(b,1)),flip(c),merge(b),merge(c)].
% 71.33/71.57  120498 inverse(sk_c4) = sk_c10 | multiply(sk_c10,multiply(sk_c9,inverse(sk_c11))) = sk_c10.  [back_rewrite(108196),rewrite([120383(11)])].
% 71.33/71.57  120801 inverse(sk_c10) = sk_c10.  [back_rewrite(95680),rewrite([120383(1),120383(3)])].
% 71.33/71.57  120803 multiply(A,sk_c10) = A.  [back_rewrite(94396),rewrite([120383(1)])].
% 71.33/71.57  120815 multiply(sk_c10,A) = A.  [back_rewrite(1),rewrite([120383(1)])].
% 71.33/71.57  120841 sk_c11 = sk_c10.  [back_rewrite(108469),rewrite([120801(5)]),flip(b),merge(b)].
% 71.33/71.57  120848 sk_c9 != sk_c10.  [back_rewrite(101885),rewrite([120841(1),120801(2),120815(6),120841(5),120841(7),120803(9),120841(8),120841(10),120815(13),120815(12),120841(14),120803(15),120801(17),120841(17),120841(19),120803(21),120803(24),120841(23)]),flip(g),xx(a),xx(c),xx(e),xx(f),xx(h),merge(b),merge(c)].
% 71.33/71.57  120874 sk_c4 = sk_c9.  [back_rewrite(39),rewrite([120815(3),120841(2),120803(6)]),unit_del(a,120848)].
% 71.33/71.57  120876 inverse(sk_c9) = sk_c10.  [back_rewrite(120498),rewrite([120874(1),120841(7),120801(8),120803(8),120815(7)]),unit_del(b,120848)].
% 71.33/71.57  120879 $F.  [back_rewrite(93033),rewrite([120815(3),120841(2),120874(4),120876(5),120815(6)]),merge(b),unit_del(a,120848)].
% 71.33/71.57  
% 71.33/71.57  % SZS output end Refutation
% 71.33/71.57  ============================== end of proof ==========================
% 71.33/71.57  
% 71.33/71.57  ============================== STATISTICS ============================
% 71.33/71.57  
% 71.33/71.57  Given=1366. Generated=622798. Kept=120878. proofs=1.
% 71.33/71.57  Usable=119. Sos=345. Demods=28. Limbo=64, Disabled=120404. Hints=0.
% 71.33/71.57  Megabytes=174.44.
% 71.33/71.57  User_CPU=70.12, System_CPU=0.45, Wall_clock=71.
% 71.33/71.57  
% 71.33/71.57  ============================== end of statistics =====================
% 71.33/71.57  
% 71.33/71.57  ============================== end of search =========================
% 71.33/71.57  
% 71.33/71.57  THEOREM PROVED
% 71.33/71.57  % SZS status Unsatisfiable
% 71.33/71.57  
% 71.33/71.57  Exiting with 1 proof.
% 71.33/71.57  
% 71.33/71.57  Process 11278 exit (max_proofs) Mon Jun 13 17:05:50 2022
% 71.33/71.57  Prover9 interrupted
%------------------------------------------------------------------------------