TSTP Solution File: GRP374-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP374-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n025.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 11:18:49 EDT 2022

% Result   : Unsatisfiable 1.72s 2.00s
% Output   : Refutation 1.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP374-1 : TPTP v8.1.0. Released v2.5.0.
% 0.12/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.33  % Computer : n025.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Tue Jun 14 03:43:54 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 1.72/2.00  ============================== Prover9 ===============================
% 1.72/2.00  Prover9 (32) version 2009-11A, November 2009.
% 1.72/2.00  Process 6340 was started by sandbox2 on n025.cluster.edu,
% 1.72/2.00  Tue Jun 14 03:43:55 2022
% 1.72/2.00  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_6187_n025.cluster.edu".
% 1.72/2.00  ============================== end of head ===========================
% 1.72/2.00  
% 1.72/2.00  ============================== INPUT =================================
% 1.72/2.00  
% 1.72/2.00  % Reading from file /tmp/Prover9_6187_n025.cluster.edu
% 1.72/2.00  
% 1.72/2.00  set(prolog_style_variables).
% 1.72/2.00  set(auto2).
% 1.72/2.00      % set(auto2) -> set(auto).
% 1.72/2.00      % set(auto) -> set(auto_inference).
% 1.72/2.00      % set(auto) -> set(auto_setup).
% 1.72/2.00      % set(auto_setup) -> set(predicate_elim).
% 1.72/2.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 1.72/2.00      % set(auto) -> set(auto_limits).
% 1.72/2.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 1.72/2.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 1.72/2.00      % set(auto) -> set(auto_denials).
% 1.72/2.00      % set(auto) -> set(auto_process).
% 1.72/2.00      % set(auto2) -> assign(new_constants, 1).
% 1.72/2.00      % set(auto2) -> assign(fold_denial_max, 3).
% 1.72/2.00      % set(auto2) -> assign(max_weight, "200.000").
% 1.72/2.00      % set(auto2) -> assign(max_hours, 1).
% 1.72/2.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 1.72/2.00      % set(auto2) -> assign(max_seconds, 0).
% 1.72/2.00      % set(auto2) -> assign(max_minutes, 5).
% 1.72/2.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 1.72/2.00      % set(auto2) -> set(sort_initial_sos).
% 1.72/2.00      % set(auto2) -> assign(sos_limit, -1).
% 1.72/2.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 1.72/2.00      % set(auto2) -> assign(max_megs, 400).
% 1.72/2.00      % set(auto2) -> assign(stats, some).
% 1.72/2.00      % set(auto2) -> clear(echo_input).
% 1.72/2.00      % set(auto2) -> set(quiet).
% 1.72/2.00      % set(auto2) -> clear(print_initial_clauses).
% 1.72/2.00      % set(auto2) -> clear(print_given).
% 1.72/2.00  assign(lrs_ticks,-1).
% 1.72/2.00  assign(sos_limit,10000).
% 1.72/2.00  assign(order,kbo).
% 1.72/2.00  set(lex_order_vars).
% 1.72/2.00  clear(print_given).
% 1.72/2.00  
% 1.72/2.00  % formulas(sos).  % not echoed (40 formulas)
% 1.72/2.00  
% 1.72/2.00  ============================== end of input ==========================
% 1.72/2.00  
% 1.72/2.00  % From the command line: assign(max_seconds, 300).
% 1.72/2.00  
% 1.72/2.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 1.72/2.00  
% 1.72/2.00  % Formulas that are not ordinary clauses:
% 1.72/2.00  
% 1.72/2.00  ============================== end of process non-clausal formulas ===
% 1.72/2.00  
% 1.72/2.00  ============================== PROCESS INITIAL CLAUSES ===============
% 1.72/2.00  
% 1.72/2.00  ============================== PREDICATE ELIMINATION =================
% 1.72/2.00  
% 1.72/2.00  ============================== end predicate elimination =============
% 1.72/2.00  
% 1.72/2.00  Auto_denials:  (non-Horn, no changes).
% 1.72/2.00  
% 1.72/2.00  Term ordering decisions:
% 1.72/2.00  
% 1.72/2.00  % Assigning unary symbol inverse kb_weight 0 and highest precedence (12).
% 1.72/2.00  Function symbol KB weights:  sk_c8=1. sk_c7=1. sk_c6=1. sk_c1=1. sk_c2=1. sk_c3=1. sk_c4=1. sk_c5=1. identity=1. multiply=1. inverse=0.
% 1.72/2.00  
% 1.72/2.00  ============================== end of process initial clauses ========
% 1.72/2.00  
% 1.72/2.00  ============================== CLAUSES FOR SEARCH ====================
% 1.72/2.00  
% 1.72/2.00  ============================== end of clauses for search =============
% 1.72/2.00  
% 1.72/2.00  ============================== SEARCH ================================
% 1.72/2.00  
% 1.72/2.00  % Starting search at 0.02 seconds.
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=44.000, iters=3512
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=43.000, iters=3453
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=42.000, iters=3394
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=41.000, iters=3399
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=39.000, iters=3343
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=38.000, iters=3368
% 1.72/2.00  
% 1.72/2.00  Low Water (keep): wt=37.000, iters=3345
% 1.72/2.00  
% 1.72/2.00  ============================== PROOF =================================
% 1.72/2.00  % SZS status Unsatisfiable
% 1.72/2.00  % SZS output start Refutation
% 1.72/2.00  
% 1.72/2.00  % Proof 1 at 1.00 (+ 0.01) seconds.
% 1.72/2.00  % Length of proof is 57.
% 1.72/2.00  % Level of proof is 17.
% 1.72/2.00  % Maximum clause weight is 55.000.
% 1.72/2.00  % Given clauses 392.
% 1.72/2.00  
% 1.72/2.00  1 multiply(identity,A) = A # label(left_identity) # label(axiom).  [assumption].
% 1.72/2.00  2 multiply(inverse(A),A) = identity # label(left_inverse) # label(axiom).  [assumption].
% 1.72/2.00  4 inverse(sk_c8) = sk_c7 | inverse(sk_c4) = sk_c8 # label(prove_this_6) # label(negated_conjecture).  [assumption].
% 1.72/2.00  5 inverse(sk_c1) = sk_c8 | inverse(sk_c3) = sk_c8 # label(prove_this_15) # label(negated_conjecture).  [assumption].
% 1.72/2.00  9 inverse(sk_c8) = sk_c7 | multiply(sk_c8,sk_c7) = sk_c6 # label(prove_this_1) # label(negated_conjecture).  [assumption].
% 1.72/2.00  11 inverse(sk_c8) = sk_c7 | multiply(sk_c8,sk_c5) = sk_c7 # label(prove_this_4) # label(negated_conjecture).  [assumption].
% 1.72/2.00  12 inverse(sk_c8) = sk_c7 | multiply(sk_c4,sk_c8) = sk_c5 # label(prove_this_5) # label(negated_conjecture).  [assumption].
% 1.72/2.00  13 multiply(sk_c1,sk_c8) = sk_c7 | inverse(sk_c3) = sk_c8 # label(prove_this_9) # label(negated_conjecture).  [assumption].
% 1.72/2.00  16 inverse(sk_c1) = sk_c8 | multiply(sk_c3,sk_c8) = sk_c7 # label(prove_this_14) # label(negated_conjecture).  [assumption].
% 1.72/2.00  28 multiply(sk_c1,sk_c8) = sk_c7 | multiply(sk_c3,sk_c8) = sk_c7 # label(prove_this_8) # label(negated_conjecture).  [assumption].
% 1.72/2.00  31 multiply(sk_c8,sk_c6) = sk_c7 | multiply(sk_c8,sk_c7) = sk_c6 # label(prove_this_19) # label(negated_conjecture).  [assumption].
% 1.72/2.00  39 multiply(multiply(A,B),C) = multiply(A,multiply(B,C)) # label(associativity) # label(axiom).  [assumption].
% 1.72/2.00  40 inverse(sk_c8) != sk_c7 | multiply(A,sk_c8) != sk_c7 | inverse(A) != sk_c8 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(B,sk_c6) != sk_c7 | inverse(B) != sk_c6 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(C,sk_c8) != sk_c7 | inverse(C) != sk_c8 | multiply(sk_c8,D) != sk_c7 | multiply(E,sk_c8) != D | inverse(E) != sk_c8 # label(prove_this_37) # label(negated_conjecture).  [assumption].
% 1.72/2.00  41 inverse(sk_c8) != sk_c7 | multiply(A,sk_c8) != sk_c7 | inverse(A) != sk_c8 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(B,sk_c6) != sk_c7 | inverse(B) != sk_c6 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(sk_c8,C) != sk_c7 | multiply(D,sk_c8) != C | inverse(D) != sk_c8.  [factor(40,b,h),merge(h)].
% 1.72/2.00  58 inverse(sk_c8) = sk_c7 | multiply(sk_c8,sk_c4) = identity.  [para(4(b,1),2(a,1,1))].
% 1.72/2.00  63 multiply(inverse(A),multiply(A,B)) = B.  [para(2(a,1),39(a,1,1)),rewrite([1(2)]),flip(a)].
% 1.72/2.00  64 inverse(sk_c8) = sk_c7 | multiply(sk_c8,multiply(sk_c7,A)) = multiply(sk_c6,A).  [para(9(b,1),39(a,1,1)),flip(b)].
% 1.72/2.00  149 inverse(sk_c8) != sk_c7 | identity != sk_c7 | inverse(inverse(sk_c8)) != sk_c8 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(A,sk_c6) != sk_c7 | inverse(A) != sk_c6 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(sk_c8,B) != sk_c7 | multiply(C,sk_c8) != B | inverse(C) != sk_c8.  [para(2(a,1),41(b,1))].
% 1.72/2.00  250 inverse(sk_c8) != sk_c7 | identity != sk_c7 | inverse(inverse(sk_c8)) != sk_c8 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(A,sk_c6) != sk_c7 | inverse(A) != sk_c6 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(sk_c8,B) != sk_c7 | identity != B.  [factor(149,c,j),rewrite([2(37)])].
% 1.72/2.00  521 multiply(inverse(inverse(A)),identity) = A.  [para(2(a,1),63(a,1,2))].
% 1.72/2.00  549 multiply(sk_c8,sk_c7) = sk_c6 | multiply(inverse(sk_c8),sk_c7) = sk_c6.  [para(31(a,1),63(a,1,2))].
% 1.72/2.00  559 multiply(inverse(inverse(A)),B) = multiply(A,B).  [para(63(a,1),63(a,1,2))].
% 1.72/2.00  560 multiply(A,identity) = A.  [back_rewrite(521),rewrite([559(4)])].
% 1.72/2.00  567 inverse(identity) = identity.  [para(560(a,1),2(a,1))].
% 1.72/2.00  608 inverse(sk_c8) = sk_c7 | inverse(sk_c8) = sk_c4.  [para(58(b,1),63(a,1,2)),rewrite([560(8)])].
% 1.72/2.00  611 inverse(sk_c8) = sk_c7 | multiply(sk_c4,sk_c8) = identity.  [para(608(b,1),2(a,1,1))].
% 1.72/2.00  726 multiply(A,inverse(A)) = identity.  [para(559(a,1),2(a,1))].
% 1.72/2.00  757 inverse(inverse(A)) = A.  [para(559(a,1),560(a,1)),rewrite([560(2)]),flip(a)].
% 1.72/2.00  797 inverse(sk_c8) != sk_c7 | identity != sk_c7 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(A,sk_c6) != sk_c7 | inverse(A) != sk_c6 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(sk_c8,B) != sk_c7 | identity != B.  [back_rewrite(250),rewrite([757(10)]),xx(c)].
% 1.72/2.00  807 inverse(sk_c1) = sk_c8 | multiply(sk_c3,sk_c8) = identity.  [para(5(b,1),726(a,1,2))].
% 1.72/2.00  820 inverse(sk_c8) = sk_c7 | multiply(sk_c6,inverse(sk_c7)) = sk_c8.  [para(726(a,1),64(b,1,2)),rewrite([560(7)]),flip(b)].
% 1.72/2.00  1029 inverse(sk_c8) = sk_c7 | identity = sk_c5.  [para(611(b,1),12(b,1)),merge(b)].
% 1.72/2.00  1069 identity = sk_c5 | inverse(sk_c7) = sk_c8.  [para(1029(a,1),757(a,1,1))].
% 1.72/2.00  1166 inverse(sk_c8) != sk_c7 | identity != sk_c7 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(sk_c8,sk_c7) != sk_c6 | multiply(sk_c8,A) != sk_c7 | identity != A.  [para(2(a,1),797(d,1)),rewrite([757(18)]),xx(e),merge(d)].
% 1.72/2.00  1191 inverse(sk_c8) != sk_c7 | identity != sk_c7 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(sk_c8,sk_c7) != sk_c6 | inverse(sk_c8) != identity.  [para(726(a,1),1166(e,1)),flip(f),merge(e)].
% 1.72/2.00  1200 inverse(sk_c1) = sk_c8 | identity = sk_c7.  [para(807(b,1),16(b,1)),merge(b)].
% 1.72/2.00  1205 identity = sk_c7 | multiply(sk_c1,sk_c8) = identity.  [para(1200(a,1),726(a,1,2))].
% 1.72/2.00  1298 identity = sk_c7 | inverse(sk_c3) = sk_c8.  [para(1205(b,1),13(a,1)),merge(b)].
% 1.72/2.00  1370 identity = sk_c7 | multiply(sk_c3,sk_c8) = identity.  [para(1298(b,1),726(a,1,2))].
% 1.72/2.00  2458 identity = sk_c7 | multiply(sk_c1,sk_c8) = sk_c7.  [para(1370(b,1),28(b,1)),merge(c)].
% 1.72/2.00  5109 identity = sk_c7.  [para(2458(b,1),1205(b,1)),flip(c),merge(b),merge(c)].
% 1.72/2.00  6706 inverse(sk_c8) != sk_c7 | multiply(sk_c8,sk_c6) != sk_c7 | multiply(sk_c8,sk_c7) != sk_c6.  [back_rewrite(1191),rewrite([5109(5),5109(20)]),xx(b),merge(d)].
% 1.72/2.00  6718 sk_c5 = sk_c7 | inverse(sk_c7) = sk_c8.  [back_rewrite(1069),rewrite([5109(1)]),flip(a)].
% 1.72/2.00  6748 inverse(sk_c7) = sk_c7.  [back_rewrite(567),rewrite([5109(1),5109(3)])].
% 1.72/2.00  6749 multiply(A,sk_c7) = A.  [back_rewrite(560),rewrite([5109(1)])].
% 1.72/2.00  6850 sk_c5 = sk_c7 | sk_c7 = sk_c8.  [back_rewrite(6718),rewrite([6748(5)])].
% 1.72/2.00  6864 inverse(sk_c8) = sk_c7 | sk_c6 = sk_c8.  [back_rewrite(820),rewrite([6748(7),6749(7)])].
% 1.72/2.00  6869 inverse(sk_c8) != sk_c7 | multiply(sk_c8,sk_c6) != sk_c7 | sk_c6 != sk_c8.  [back_rewrite(6706),rewrite([6749(12)]),flip(c)].
% 1.72/2.00  6987 sk_c6 = sk_c8 | inverse(sk_c8) = sk_c6.  [back_rewrite(549),rewrite([6749(3),6749(7)]),flip(a)].
% 1.72/2.00  7134 sk_c7 = sk_c8 | inverse(sk_c8) = sk_c7.  [para(6850(a,1),11(b,1,2)),rewrite([6749(10)]),flip(c),merge(c)].
% 1.72/2.00  7249 sk_c6 = sk_c8 | sk_c6 = sk_c7.  [para(6987(b,1),6864(a,1)),merge(c)].
% 1.72/2.00  7272 sk_c7 = sk_c8.  [para(7134(b,1),757(a,1,1)),rewrite([6748(5)]),merge(b)].
% 1.72/2.00  7291 sk_c6 = sk_c8.  [back_rewrite(7249),rewrite([7272(5)]),merge(b)].
% 1.72/2.00  7416 inverse(sk_c8) != sk_c8 | multiply(sk_c8,sk_c8) != sk_c8.  [back_rewrite(6869),rewrite([7272(3),7291(6),7272(8),7291(10)]),xx(c)].
% 1.72/2.00  7430 multiply(A,sk_c8) = A.  [back_rewrite(6749),rewrite([7272(1)])].
% 1.72/2.00  7431 inverse(sk_c8) = sk_c8.  [back_rewrite(6748),rewrite([7272(1),7272(3)])].
% 1.72/2.00  7531 $F.  [back_rewrite(7416),rewrite([7431(2),7430(6)]),xx(a),xx(b)].
% 1.72/2.00  
% 1.72/2.00  % SZS output end Refutation
% 1.72/2.00  ============================== end of proof ==========================
% 1.72/2.00  
% 1.72/2.00  ============================== STATISTICS ============================
% 1.72/2.00  
% 1.72/2.00  Given=392. Generated=20223. Kept=7530. proofs=1.
% 1.72/2.00  Usable=24. Sos=206. Demods=15. Limbo=109, Disabled=7231. Hints=0.
% 1.72/2.00  Megabytes=8.19.
% 1.72/2.00  User_CPU=1.00, System_CPU=0.01, Wall_clock=1.
% 1.72/2.00  
% 1.72/2.00  ============================== end of statistics =====================
% 1.72/2.00  
% 1.72/2.00  ============================== end of search =========================
% 1.72/2.00  
% 1.72/2.00  THEOREM PROVED
% 1.72/2.00  % SZS status Unsatisfiable
% 1.72/2.00  
% 1.72/2.00  Exiting with 1 proof.
% 1.72/2.00  
% 1.72/2.00  Process 6340 exit (max_proofs) Tue Jun 14 03:43:56 2022
% 1.72/2.00  Prover9 interrupted
%------------------------------------------------------------------------------