TSTP Solution File: GRP076-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP076-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n023.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 11:17:03 EDT 2022

% Result   : Unsatisfiable 0.77s 1.06s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.13  % Problem  : GRP076-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 0.09/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n023.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jun 14 02:38:21 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.77/1.06  ============================== Prover9 ===============================
% 0.77/1.06  Prover9 (32) version 2009-11A, November 2009.
% 0.77/1.06  Process 24648 was started by sandbox2 on n023.cluster.edu,
% 0.77/1.06  Tue Jun 14 02:38:21 2022
% 0.77/1.06  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_24495_n023.cluster.edu".
% 0.77/1.06  ============================== end of head ===========================
% 0.77/1.06  
% 0.77/1.06  ============================== INPUT =================================
% 0.77/1.06  
% 0.77/1.06  % Reading from file /tmp/Prover9_24495_n023.cluster.edu
% 0.77/1.06  
% 0.77/1.06  set(prolog_style_variables).
% 0.77/1.06  set(auto2).
% 0.77/1.06      % set(auto2) -> set(auto).
% 0.77/1.06      % set(auto) -> set(auto_inference).
% 0.77/1.06      % set(auto) -> set(auto_setup).
% 0.77/1.06      % set(auto_setup) -> set(predicate_elim).
% 0.77/1.06      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.77/1.06      % set(auto) -> set(auto_limits).
% 0.77/1.06      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.77/1.06      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.77/1.06      % set(auto) -> set(auto_denials).
% 0.77/1.06      % set(auto) -> set(auto_process).
% 0.77/1.06      % set(auto2) -> assign(new_constants, 1).
% 0.77/1.06      % set(auto2) -> assign(fold_denial_max, 3).
% 0.77/1.06      % set(auto2) -> assign(max_weight, "200.000").
% 0.77/1.06      % set(auto2) -> assign(max_hours, 1).
% 0.77/1.06      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.77/1.06      % set(auto2) -> assign(max_seconds, 0).
% 0.77/1.06      % set(auto2) -> assign(max_minutes, 5).
% 0.77/1.06      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.77/1.06      % set(auto2) -> set(sort_initial_sos).
% 0.77/1.06      % set(auto2) -> assign(sos_limit, -1).
% 0.77/1.06      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.77/1.06      % set(auto2) -> assign(max_megs, 400).
% 0.77/1.06      % set(auto2) -> assign(stats, some).
% 0.77/1.06      % set(auto2) -> clear(echo_input).
% 0.77/1.06      % set(auto2) -> set(quiet).
% 0.77/1.06      % set(auto2) -> clear(print_initial_clauses).
% 0.77/1.06      % set(auto2) -> clear(print_given).
% 0.77/1.06  assign(lrs_ticks,-1).
% 0.77/1.06  assign(sos_limit,10000).
% 0.77/1.06  assign(order,kbo).
% 0.77/1.06  set(lex_order_vars).
% 0.77/1.06  clear(print_given).
% 0.77/1.06  
% 0.77/1.06  % formulas(sos).  % not echoed (5 formulas)
% 0.77/1.06  
% 0.77/1.06  ============================== end of input ==========================
% 0.77/1.06  
% 0.77/1.06  % From the command line: assign(max_seconds, 300).
% 0.77/1.06  
% 0.77/1.06  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.77/1.06  
% 0.77/1.06  % Formulas that are not ordinary clauses:
% 0.77/1.06  
% 0.77/1.06  ============================== end of process non-clausal formulas ===
% 0.77/1.06  
% 0.77/1.06  ============================== PROCESS INITIAL CLAUSES ===============
% 0.77/1.06  
% 0.77/1.06  ============================== PREDICATE ELIMINATION =================
% 0.77/1.06  
% 0.77/1.06  ============================== end predicate elimination =============
% 0.77/1.06  
% 0.77/1.06  Auto_denials:
% 0.77/1.06    % copying label prove_these_axioms to answer in negative clause
% 0.77/1.06  
% 0.77/1.06  Term ordering decisions:
% 0.77/1.06  
% 0.77/1.06  % Assigning unary symbol inverse kb_weight 0 and highest precedence (10).
% 0.77/1.06  Function symbol KB weights:  identity=1. a1=1. a2=1. a3=1. b3=1. c3=1. double_divide=1. multiply=1. inverse=0.
% 0.77/1.06  
% 0.77/1.06  ============================== end of process initial clauses ========
% 0.77/1.06  
% 0.77/1.06  ============================== CLAUSES FOR SEARCH ====================
% 0.77/1.06  
% 0.77/1.06  ============================== end of clauses for search =============
% 0.77/1.06  
% 0.77/1.06  ============================== SEARCH ================================
% 0.77/1.06  
% 0.77/1.06  % Starting search at 0.01 seconds.
% 0.77/1.06  
% 0.77/1.06  ============================== PROOF =================================
% 0.77/1.06  % SZS status Unsatisfiable
% 0.77/1.06  % SZS output start Refutation
% 0.77/1.06  
% 0.77/1.06  % Proof 1 at 0.02 (+ 0.00) seconds: prove_these_axioms.
% 0.77/1.06  % Length of proof is 53.
% 0.77/1.06  % Level of proof is 21.
% 0.77/1.06  % Maximum clause weight is 31.000.
% 0.77/1.06  % Given clauses 33.
% 0.77/1.06  
% 0.77/1.06  1 inverse(A) = double_divide(A,identity) # label(inverse) # label(axiom).  [assumption].
% 0.77/1.06  2 identity = double_divide(A,inverse(A)) # label(identity) # label(axiom).  [assumption].
% 0.77/1.06  3 double_divide(A,double_divide(A,identity)) = identity.  [copy(2),rewrite([1(2)]),flip(a)].
% 0.77/1.06  4 multiply(A,B) = double_divide(double_divide(B,A),identity) # label(multiply) # label(axiom).  [assumption].
% 0.77/1.06  5 double_divide(double_divide(A,double_divide(double_divide(double_divide(A,B),C),double_divide(B,identity))),double_divide(identity,identity)) = C # label(single_axiom) # label(axiom).  [assumption].
% 0.77/1.06  6 multiply(inverse(a1),a1) != identity | multiply(identity,a2) != a2 | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) # label(prove_these_axioms) # label(negated_conjecture) # answer(prove_these_axioms).  [assumption].
% 0.77/1.06  7 double_divide(identity,identity) != identity | double_divide(double_divide(a2,identity),identity) != a2 | double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity) != double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity) # answer(prove_these_axioms).  [copy(6),rewrite([1(2),4(5),3(5),4(8),4(15),4(19),4(25),4(28)]),flip(c)].
% 0.77/1.06  8 double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(double_divide(A,identity),identity))),double_divide(identity,identity)) = B.  [para(3(a,1),5(a,1,1,2,1,1))].
% 0.77/1.06  12 double_divide(double_divide(double_divide(double_divide(A,identity),B),C),double_divide(B,identity)) = double_divide(double_divide(A,C),double_divide(identity,identity)).  [para(5(a,1),5(a,1,1,2)),flip(a)].
% 0.77/1.06  13 double_divide(double_divide(identity,identity),double_divide(identity,identity)) = identity.  [para(3(a,1),8(a,1,1,2))].
% 0.77/1.06  14 double_divide(double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(double_divide(A,identity),identity))),double_divide(double_divide(B,C),double_divide(double_divide(identity,identity),identity))),double_divide(identity,identity)) = C.  [para(8(a,1),5(a,1,1,2,1,1))].
% 0.77/1.06  16 double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,identity),identity),identity)) = double_divide(double_divide(B,A),double_divide(identity,identity)).  [para(8(a,1),5(a,1,1,2)),flip(a)].
% 0.77/1.06  17 double_divide(double_divide(double_divide(identity,identity),double_divide(double_divide(identity,A),double_divide(double_divide(identity,identity),identity))),double_divide(identity,identity)) = A.  [para(13(a,1),5(a,1,1,2,1,1))].
% 0.77/1.06  18 double_divide(identity,identity) = identity.  [para(13(a,1),5(a,1,1,2,1)),rewrite([3(6),13(7)]),flip(a)].
% 0.77/1.06  19 double_divide(double_divide(identity,double_divide(double_divide(identity,A),identity)),identity) = A.  [back_rewrite(17),rewrite([18(3),18(6),18(6),18(9)])].
% 0.77/1.06  20 double_divide(double_divide(identity,A),double_divide(double_divide(double_divide(B,identity),identity),identity)) = double_divide(double_divide(B,A),identity).  [back_rewrite(16),rewrite([18(13)])].
% 0.77/1.06  22 double_divide(double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(double_divide(A,identity),identity))),double_divide(double_divide(B,C),identity)),identity) = C.  [back_rewrite(14),rewrite([18(12),18(12),18(15)])].
% 0.77/1.06  23 double_divide(double_divide(double_divide(double_divide(A,identity),B),C),double_divide(B,identity)) = double_divide(double_divide(A,C),identity).  [back_rewrite(12),rewrite([18(11)])].
% 0.77/1.06  27 double_divide(double_divide(A,double_divide(double_divide(identity,B),double_divide(double_divide(A,identity),identity))),identity) = B.  [back_rewrite(8),rewrite([18(11)])].
% 0.77/1.06  28 double_divide(double_divide(a2,identity),identity) != a2 | double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity) != double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity) # answer(prove_these_axioms).  [back_rewrite(7),rewrite([18(3)]),xx(a)].
% 0.77/1.06  32 double_divide(double_divide(double_divide(identity,double_divide(double_divide(identity,A),identity)),B),identity) = double_divide(double_divide(identity,B),double_divide(double_divide(A,identity),identity)).  [para(19(a,1),20(a,1,2,1,1)),flip(a)].
% 0.77/1.06  33 double_divide(identity,double_divide(double_divide(A,identity),identity)) = double_divide(A,identity).  [para(19(a,1),20(a,2,1)),rewrite([18(3),19(9)])].
% 0.77/1.06  37 double_divide(identity,double_divide(A,identity)) = A.  [para(19(a,1),33(a,1,2,1)),rewrite([19(12)])].
% 0.77/1.06  38 double_divide(double_divide(identity,A),identity) = A.  [para(19(a,1),33(a,2)),rewrite([37(7),37(8)])].
% 0.77/1.06  39 double_divide(double_divide(A,identity),double_divide(double_divide(double_divide(B,identity),identity),identity)) = double_divide(double_divide(B,double_divide(double_divide(A,identity),identity)),identity).  [para(33(a,1),20(a,1,1))].
% 0.77/1.06  40 double_divide(double_divide(identity,A),double_divide(double_divide(B,identity),identity)) = double_divide(double_divide(double_divide(identity,B),A),identity).  [back_rewrite(32),rewrite([38(5)]),flip(a)].
% 0.77/1.06  43 double_divide(double_divide(A,double_divide(double_divide(double_divide(identity,A),B),identity)),identity) = B.  [back_rewrite(27),rewrite([40(7)])].
% 0.77/1.06  44 double_divide(double_divide(double_divide(A,double_divide(double_divide(double_divide(identity,A),B),identity)),double_divide(double_divide(B,C),identity)),identity) = C.  [back_rewrite(22),rewrite([40(7)])].
% 0.77/1.06  49 double_divide(double_divide(double_divide(A,B),C),double_divide(B,identity)) = double_divide(double_divide(double_divide(identity,A),C),identity).  [para(38(a,1),23(a,1,1,1,1))].
% 0.77/1.06  51 double_divide(double_divide(double_divide(double_divide(A,identity),identity),B),double_divide(double_divide(C,identity),identity)) = double_divide(double_divide(double_divide(double_divide(A,identity),C),B),identity).  [para(23(a,1),23(a,1,1,1))].
% 0.77/1.06  52 double_divide(double_divide(double_divide(A,identity),identity),identity) = double_divide(A,identity).  [para(23(a,1),23(a,1,1)),rewrite([49(6),38(4),18(7)]),flip(a)].
% 0.77/1.06  53 double_divide(double_divide(A,double_divide(double_divide(B,identity),identity)),identity) = double_divide(double_divide(B,identity),double_divide(A,identity)).  [back_rewrite(39),rewrite([52(8)]),flip(a)].
% 0.77/1.06  55 double_divide(double_divide(A,identity),identity) = A.  [para(52(a,1),37(a,1,2)),rewrite([37(4)]),flip(a)].
% 0.77/1.06  56 double_divide(double_divide(A,identity),double_divide(B,identity)) = double_divide(double_divide(B,A),identity).  [back_rewrite(53),rewrite([55(4)]),flip(a)].
% 0.77/1.06  57 double_divide(double_divide(double_divide(double_divide(A,identity),B),C),identity) = double_divide(double_divide(A,C),B).  [back_rewrite(51),rewrite([55(4),55(5)]),flip(a)].
% 0.77/1.06  59 double_divide(double_divide(double_divide(identity,A),B),identity) = double_divide(double_divide(identity,B),A).  [back_rewrite(40),rewrite([55(6)]),flip(a)].
% 0.77/1.06  60 double_divide(double_divide(double_divide(double_divide(c3,b3),identity),a3),identity) != double_divide(double_divide(c3,double_divide(double_divide(b3,a3),identity)),identity) # answer(prove_these_axioms).  [back_rewrite(28),rewrite([55(5)]),xx(a)].
% 0.77/1.06  62 double_divide(double_divide(double_divide(A,double_divide(double_divide(identity,B),A)),double_divide(double_divide(B,C),identity)),identity) = C.  [back_rewrite(44),rewrite([59(5)])].
% 0.77/1.06  63 double_divide(double_divide(A,double_divide(double_divide(identity,B),A)),identity) = B.  [back_rewrite(43),rewrite([59(5)])].
% 0.77/1.06  65 double_divide(identity,A) = double_divide(A,identity).  [para(55(a,1),37(a,1,2))].
% 0.77/1.06  66 double_divide(identity,double_divide(A,double_divide(double_divide(B,identity),A))) = B.  [back_rewrite(63),rewrite([65(2),65(6,R)])].
% 0.77/1.06  67 double_divide(identity,double_divide(double_divide(A,double_divide(double_divide(B,identity),A)),double_divide(identity,double_divide(B,C)))) = C.  [back_rewrite(62),rewrite([65(2),65(7,R),65(10,R)])].
% 0.77/1.06  69 double_divide(identity,double_divide(double_divide(identity,double_divide(c3,b3)),a3)) != double_divide(identity,double_divide(c3,double_divide(identity,double_divide(b3,a3)))) # answer(prove_these_axioms).  [back_rewrite(60),rewrite([65(5,R),65(9,R),65(15,R),65(18,R)])].
% 0.77/1.06  70 double_divide(identity,double_divide(double_divide(A,identity),B)) = double_divide(double_divide(B,identity),A).  [back_rewrite(59),rewrite([65(2),65(5,R),65(7)])].
% 0.77/1.06  72 double_divide(identity,double_divide(double_divide(double_divide(A,identity),B),C)) = double_divide(double_divide(A,C),B).  [back_rewrite(57),rewrite([65(6,R)])].
% 0.77/1.06  73 double_divide(double_divide(A,identity),double_divide(B,identity)) = double_divide(identity,double_divide(B,A)).  [back_rewrite(56),rewrite([65(8,R)])].
% 0.77/1.06  76 double_divide(double_divide(identity,double_divide(identity,double_divide(A,B))),A) = B.  [para(70(a,1),66(a,1)),rewrite([73(5),65(5,R)])].
% 0.77/1.06  79 double_divide(identity,double_divide(identity,double_divide(A,B))) = double_divide(A,B).  [para(76(a,1),70(a,2,1)),rewrite([65(7),37(8),65(5),73(6)])].
% 0.77/1.06  81 double_divide(A,double_divide(B,A)) = B.  [para(76(a,1),76(a,1,1,2,2)),rewrite([65(3),37(4),79(5)])].
% 0.77/1.06  82 double_divide(double_divide(A,B),A) = B.  [back_rewrite(67),rewrite([81(5),70(8),65(5,R),79(5)])].
% 0.77/1.06  95 double_divide(identity,double_divide(A,double_divide(B,identity))) = double_divide(B,double_divide(A,identity)).  [para(82(a,1),73(a,1,1)),rewrite([65(6)]),flip(a)].
% 0.77/1.06  101 double_divide(double_divide(identity,double_divide(A,B)),C) = double_divide(A,double_divide(identity,double_divide(B,C))).  [para(73(a,1),72(a,2,1)),rewrite([65(5,R),81(5),95(6),65(3,R)]),flip(a)].
% 0.77/1.06  104 $F # answer(prove_these_axioms).  [back_rewrite(69),rewrite([101(8)]),xx(a)].
% 0.77/1.06  
% 0.77/1.06  % SZS output end Refutation
% 0.77/1.06  ============================== end of proof ==========================
% 0.77/1.06  
% 0.77/1.06  ============================== STATISTICS ============================
% 0.77/1.06  
% 0.77/1.06  Given=33. Generated=561. Kept=101. proofs=1.
% 0.77/1.06  Usable=12. Sos=12. Demods=26. Limbo=4, Disabled=78. Hints=0.
% 0.77/1.06  Megabytes=0.11.
% 0.77/1.06  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.77/1.06  
% 0.77/1.06  ============================== end of statistics =====================
% 0.77/1.06  
% 0.77/1.06  ============================== end of search =========================
% 0.77/1.06  
% 0.77/1.06  THEOREM PROVED
% 0.77/1.06  % SZS status Unsatisfiable
% 0.77/1.06  
% 0.77/1.06  Exiting with 1 proof.
% 0.77/1.06  
% 0.77/1.06  Process 24648 exit (max_proofs) Tue Jun 14 02:38:21 2022
% 0.77/1.06  Prover9 interrupted
%------------------------------------------------------------------------------