TSTP Solution File: FLD032-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : FLD032-1 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n027.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 02:24:16 EDT 2022

% Result   : Unsatisfiable 13.04s 13.31s
% Output   : Refutation 13.04s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : FLD032-1 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.11/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun  7 03:30:40 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 13.04/13.31  ============================== Prover9 ===============================
% 13.04/13.31  Prover9 (32) version 2009-11A, November 2009.
% 13.04/13.31  Process 9057 was started by sandbox on n027.cluster.edu,
% 13.04/13.31  Tue Jun  7 03:30:40 2022
% 13.04/13.31  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_8890_n027.cluster.edu".
% 13.04/13.31  ============================== end of head ===========================
% 13.04/13.31  
% 13.04/13.31  ============================== INPUT =================================
% 13.04/13.31  
% 13.04/13.31  % Reading from file /tmp/Prover9_8890_n027.cluster.edu
% 13.04/13.31  
% 13.04/13.31  set(prolog_style_variables).
% 13.04/13.31  set(auto2).
% 13.04/13.31      % set(auto2) -> set(auto).
% 13.04/13.31      % set(auto) -> set(auto_inference).
% 13.04/13.31      % set(auto) -> set(auto_setup).
% 13.04/13.31      % set(auto_setup) -> set(predicate_elim).
% 13.04/13.31      % set(auto_setup) -> assign(eq_defs, unfold).
% 13.04/13.31      % set(auto) -> set(auto_limits).
% 13.04/13.31      % set(auto_limits) -> assign(max_weight, "100.000").
% 13.04/13.31      % set(auto_limits) -> assign(sos_limit, 20000).
% 13.04/13.31      % set(auto) -> set(auto_denials).
% 13.04/13.31      % set(auto) -> set(auto_process).
% 13.04/13.31      % set(auto2) -> assign(new_constants, 1).
% 13.04/13.31      % set(auto2) -> assign(fold_denial_max, 3).
% 13.04/13.31      % set(auto2) -> assign(max_weight, "200.000").
% 13.04/13.31      % set(auto2) -> assign(max_hours, 1).
% 13.04/13.31      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 13.04/13.31      % set(auto2) -> assign(max_seconds, 0).
% 13.04/13.31      % set(auto2) -> assign(max_minutes, 5).
% 13.04/13.31      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 13.04/13.31      % set(auto2) -> set(sort_initial_sos).
% 13.04/13.31      % set(auto2) -> assign(sos_limit, -1).
% 13.04/13.31      % set(auto2) -> assign(lrs_ticks, 3000).
% 13.04/13.31      % set(auto2) -> assign(max_megs, 400).
% 13.04/13.31      % set(auto2) -> assign(stats, some).
% 13.04/13.31      % set(auto2) -> clear(echo_input).
% 13.04/13.31      % set(auto2) -> set(quiet).
% 13.04/13.31      % set(auto2) -> clear(print_initial_clauses).
% 13.04/13.31      % set(auto2) -> clear(print_given).
% 13.04/13.31  assign(lrs_ticks,-1).
% 13.04/13.31  assign(sos_limit,10000).
% 13.04/13.31  assign(order,kbo).
% 13.04/13.31  set(lex_order_vars).
% 13.04/13.31  clear(print_given).
% 13.04/13.31  
% 13.04/13.31  % formulas(sos).  % not echoed (31 formulas)
% 13.04/13.31  
% 13.04/13.31  ============================== end of input ==========================
% 13.04/13.31  
% 13.04/13.31  % From the command line: assign(max_seconds, 300).
% 13.04/13.31  
% 13.04/13.31  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 13.04/13.31  
% 13.04/13.31  % Formulas that are not ordinary clauses:
% 13.04/13.31  
% 13.04/13.31  ============================== end of process non-clausal formulas ===
% 13.04/13.31  
% 13.04/13.31  ============================== PROCESS INITIAL CLAUSES ===============
% 13.04/13.31  
% 13.04/13.31  ============================== PREDICATE ELIMINATION =================
% 13.04/13.31  
% 13.04/13.31  ============================== end predicate elimination =============
% 13.04/13.31  
% 13.04/13.31  Auto_denials:  (non-Horn, no changes).
% 13.04/13.31  
% 13.04/13.31  Term ordering decisions:
% 13.04/13.31  Function symbol KB weights:  additive_identity=1. multiplicative_identity=1. a=1. add=1. multiply=1. multiplicative_inverse=1. additive_inverse=1.
% 13.04/13.31  
% 13.04/13.31  ============================== end of process initial clauses ========
% 13.04/13.31  
% 13.04/13.31  ============================== CLAUSES FOR SEARCH ====================
% 13.04/13.31  
% 13.04/13.31  ============================== end of clauses for search =============
% 13.04/13.31  
% 13.04/13.31  ============================== SEARCH ================================
% 13.04/13.31  
% 13.04/13.31  % Starting search at 0.01 seconds.
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=34.000, iters=3826
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=29.000, iters=3748
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=24.000, iters=3408
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=23.000, iters=3382
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=21.000, iters=3372
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=19.000, iters=3359
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=18.000, iters=3429
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=15.000, iters=3345
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=13.000, iters=4252
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=12.000, iters=3594
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=11.000, iters=3337
% 13.04/13.31  
% 13.04/13.31  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 972 (0.00 of 0.44 sec).
% 13.04/13.31  
% 13.04/13.31  Low Water (displace): id=5604, wt=34.000
% 13.04/13.31  
% 13.04/13.31  Low Water (displace): id=5678, wt=30.000
% 13.04/13.31  
% 13.04/13.31  Low Water (displace): id=10658, wt=10.000
% 13.04/13.31  
% 13.04/13.31  Low Water (displace): id=10783, wt=8.000
% 13.04/13.31  
% 13.04/13.31  Low Water (displace): id=15255, wt=7.000
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=10.000, iters=3414
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=9.000, iters=5371
% 13.04/13.31  
% 13.04/13.31  Low Water (keep): wt=8.000, iters=4334
% 13.04/13.31  
% 13.04/13.31  ============================== PROOF =================================
% 13.04/13.31  % SZS status Unsatisfiable
% 13.04/13.31  % SZS output start Refutation
% 13.04/13.31  
% 13.04/13.31  % Proof 1 at 11.07 (+ 1.25) seconds.
% 13.04/13.31  % Length of proof is 22.
% 13.04/13.31  % Level of proof is 5.
% 13.04/13.31  % Maximum clause weight is 12.000.
% 13.04/13.31  % Given clauses 5322.
% 13.04/13.31  
% 13.04/13.31  3 defined(a) # label(a_is_defined) # label(hypothesis).  [assumption].
% 13.04/13.31  4 equalish(multiplicative_inverse(a),multiplicative_identity) # label(multiplicative_inverses_equal) # label(negated_conjecture).  [assumption].
% 13.04/13.31  6 -equalish(a,additive_identity) # label(a_not_equal_to_additive_identity_2) # label(negated_conjecture).  [assumption].
% 13.04/13.31  7 -equalish(a,multiplicative_identity) # label(a_not_equal_to_multiplicative_identity_4) # label(negated_conjecture).  [assumption].
% 13.04/13.31  10 equalish(A,B) | -equalish(B,A) # label(symmetry_of_equality) # label(axiom).  [assumption].
% 13.04/13.31  12 equalish(multiply(multiplicative_identity,A),A) | -defined(A) # label(existence_of_identity_multiplication) # label(axiom).  [assumption].
% 13.04/13.31  16 defined(multiplicative_inverse(A)) | -defined(A) | equalish(A,additive_identity) # label(well_definedness_of_multiplicative_inverse) # label(axiom).  [assumption].
% 13.04/13.31  19 equalish(A,B) | -equalish(A,C) | -equalish(C,B) # label(transitivity_of_equality) # label(axiom).  [assumption].
% 13.04/13.31  23 equalish(multiply(A,multiplicative_inverse(A)),multiplicative_identity) | -defined(A) | equalish(A,additive_identity) # label(existence_of_inverse_multiplication) # label(axiom).  [assumption].
% 13.04/13.31  24 equalish(multiply(A,B),multiply(B,A)) | -defined(A) | -defined(B) # label(commutativity_multiplication) # label(axiom).  [assumption].
% 13.04/13.31  28 equalish(multiply(A,B),multiply(C,B)) | -defined(B) | -equalish(A,C) # label(compatibility_of_equality_and_multiplication) # label(axiom).  [assumption].
% 13.04/13.31  64 equalish(multiply(multiplicative_identity,a),a).  [resolve(12,b,3,a)].
% 13.04/13.31  82 defined(multiplicative_inverse(a)).  [resolve(16,b,3,a),unit_del(b,6)].
% 13.04/13.31  100 equalish(multiply(a,multiplicative_inverse(a)),multiplicative_identity).  [resolve(23,b,3,a),unit_del(b,6)].
% 13.04/13.31  102 equalish(multiply(a,A),multiply(A,a)) | -defined(A).  [resolve(24,b,3,a)].
% 13.04/13.31  109 equalish(multiply(multiplicative_inverse(a),A),multiply(multiplicative_identity,A)) | -defined(A).  [resolve(28,c,4,a)].
% 13.04/13.31  6765 -equalish(a,multiply(a,multiplicative_inverse(a))).  [ur(19,a,7,a,c,100,a)].
% 13.04/13.31  6767 -equalish(multiply(a,multiplicative_inverse(a)),a).  [ur(10,a,6765,a)].
% 13.04/13.31  6770 -equalish(multiply(a,multiplicative_inverse(a)),multiply(multiplicative_identity,a)).  [ur(19,a,6767,a,c,64,a)].
% 13.04/13.31  6984 equalish(multiply(a,multiplicative_inverse(a)),multiply(multiplicative_inverse(a),a)).  [resolve(102,b,82,a)].
% 13.04/13.31  7474 equalish(multiply(multiplicative_inverse(a),a),multiply(multiplicative_identity,a)).  [resolve(109,b,3,a)].
% 13.04/13.31  31443 $F.  [ur(19,a,6770,a,c,7474,a),unit_del(a,6984)].
% 13.04/13.31  
% 13.04/13.31  % SZS output end Refutation
% 13.04/13.31  ============================== end of proof ==========================
% 13.04/13.31  
% 13.04/13.31  ============================== STATISTICS ============================
% 13.04/13.31  
% 13.04/13.31  Given=5322. Generated=2500011. Kept=31442. proofs=1.
% 13.04/13.31  Usable=5322. Sos=9871. Demods=0. Limbo=35, Disabled=16245. Hints=0.
% 13.04/13.31  Megabytes=14.95.
% 13.04/13.31  User_CPU=11.07, System_CPU=1.25, Wall_clock=13.
% 13.04/13.31  
% 13.04/13.31  ============================== end of statistics =====================
% 13.04/13.31  
% 13.04/13.31  ============================== end of search =========================
% 13.04/13.31  
% 13.04/13.31  THEOREM PROVED
% 13.04/13.31  % SZS status Unsatisfiable
% 13.04/13.31  
% 13.04/13.31  Exiting with 1 proof.
% 13.04/13.31  
% 13.04/13.31  Process 9057 exit (max_proofs) Tue Jun  7 03:30:53 2022
% 13.04/13.31  Prover9 interrupted
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