TSTP Solution File: GRP013-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP013-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n024.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 11:16:42 EDT 2022

% Result   : Unsatisfiable 0.72s 1.00s
% Output   : Refutation 0.72s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP013-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n024.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 11:20:48 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.72/1.00  ============================== Prover9 ===============================
% 0.72/1.00  Prover9 (32) version 2009-11A, November 2009.
% 0.72/1.00  Process 14250 was started by sandbox2 on n024.cluster.edu,
% 0.72/1.00  Mon Jun 13 11:20:49 2022
% 0.72/1.00  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_14097_n024.cluster.edu".
% 0.72/1.00  ============================== end of head ===========================
% 0.72/1.00  
% 0.72/1.00  ============================== INPUT =================================
% 0.72/1.00  
% 0.72/1.00  % Reading from file /tmp/Prover9_14097_n024.cluster.edu
% 0.72/1.00  
% 0.72/1.00  set(prolog_style_variables).
% 0.72/1.00  set(auto2).
% 0.72/1.00      % set(auto2) -> set(auto).
% 0.72/1.00      % set(auto) -> set(auto_inference).
% 0.72/1.00      % set(auto) -> set(auto_setup).
% 0.72/1.00      % set(auto_setup) -> set(predicate_elim).
% 0.72/1.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.72/1.00      % set(auto) -> set(auto_limits).
% 0.72/1.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.72/1.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.72/1.00      % set(auto) -> set(auto_denials).
% 0.72/1.00      % set(auto) -> set(auto_process).
% 0.72/1.00      % set(auto2) -> assign(new_constants, 1).
% 0.72/1.00      % set(auto2) -> assign(fold_denial_max, 3).
% 0.72/1.00      % set(auto2) -> assign(max_weight, "200.000").
% 0.72/1.00      % set(auto2) -> assign(max_hours, 1).
% 0.72/1.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.72/1.00      % set(auto2) -> assign(max_seconds, 0).
% 0.72/1.00      % set(auto2) -> assign(max_minutes, 5).
% 0.72/1.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.72/1.00      % set(auto2) -> set(sort_initial_sos).
% 0.72/1.00      % set(auto2) -> assign(sos_limit, -1).
% 0.72/1.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.72/1.00      % set(auto2) -> assign(max_megs, 400).
% 0.72/1.00      % set(auto2) -> assign(stats, some).
% 0.72/1.00      % set(auto2) -> clear(echo_input).
% 0.72/1.00      % set(auto2) -> set(quiet).
% 0.72/1.00      % set(auto2) -> clear(print_initial_clauses).
% 0.72/1.00      % set(auto2) -> clear(print_given).
% 0.72/1.00  assign(lrs_ticks,-1).
% 0.72/1.00  assign(sos_limit,10000).
% 0.72/1.00  assign(order,kbo).
% 0.72/1.00  set(lex_order_vars).
% 0.72/1.00  clear(print_given).
% 0.72/1.00  
% 0.72/1.00  % formulas(sos).  % not echoed (13 formulas)
% 0.72/1.00  
% 0.72/1.00  ============================== end of input ==========================
% 0.72/1.00  
% 0.72/1.00  % From the command line: assign(max_seconds, 300).
% 0.72/1.00  
% 0.72/1.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.72/1.00  
% 0.72/1.00  % Formulas that are not ordinary clauses:
% 0.72/1.00  
% 0.72/1.00  ============================== end of process non-clausal formulas ===
% 0.72/1.00  
% 0.72/1.00  ============================== PROCESS INITIAL CLAUSES ===============
% 0.72/1.00  
% 0.72/1.00  ============================== PREDICATE ELIMINATION =================
% 0.72/1.00  
% 0.72/1.00  ============================== end predicate elimination =============
% 0.72/1.00  
% 0.72/1.00  Auto_denials:
% 0.72/1.00    % copying label prove_c_times_d_is_identity to answer in negative clause
% 0.72/1.00  
% 0.72/1.00  Term ordering decisions:
% 0.72/1.00  
% 0.72/1.00  % Assigning unary symbol inverse kb_weight 0 and highest precedence (9).
% 0.72/1.00  Function symbol KB weights:  identity=1. a=1. b=1. c=1. d=1. multiply=1. inverse=0.
% 0.72/1.00  
% 0.72/1.00  ============================== end of process initial clauses ========
% 0.72/1.00  
% 0.72/1.00  ============================== CLAUSES FOR SEARCH ====================
% 0.72/1.00  
% 0.72/1.00  ============================== end of clauses for search =============
% 0.72/1.00  
% 0.72/1.00  ============================== SEARCH ================================
% 0.72/1.00  
% 0.72/1.00  % Starting search at 0.01 seconds.
% 0.72/1.00  
% 0.72/1.00  ============================== PROOF =================================
% 0.72/1.00  % SZS status Unsatisfiable
% 0.72/1.00  % SZS output start Refutation
% 0.72/1.00  
% 0.72/1.00  % Proof 1 at 0.02 (+ 0.00) seconds: prove_c_times_d_is_identity.
% 0.72/1.00  % Length of proof is 17.
% 0.72/1.00  % Level of proof is 3.
% 0.72/1.00  % Maximum clause weight is 16.000.
% 0.72/1.00  % Given clauses 14.
% 0.72/1.00  
% 0.72/1.00  1 product(identity,A,A) # label(left_identity) # label(axiom).  [assumption].
% 0.72/1.00  3 product(A,A,identity) # label(squareness) # label(hypothesis).  [assumption].
% 0.72/1.00  4 product(a,b,c) # label(a_times_b_is_c) # label(hypothesis).  [assumption].
% 0.72/1.00  5 product(inverse(A),A,identity) # label(left_inverse) # label(axiom).  [assumption].
% 0.72/1.00  6 product(A,inverse(A),identity) # label(right_inverse) # label(axiom).  [assumption].
% 0.72/1.00  7 product(A,B,multiply(A,B)) # label(total_function1) # label(axiom).  [assumption].
% 0.72/1.00  8 product(inverse(a),inverse(b),d) # label(inverse_a_times_inverse_b_is_d) # label(hypothesis).  [assumption].
% 0.72/1.00  9 -product(c,d,identity) # label(prove_c_times_d_is_identity) # label(negated_conjecture) # answer(prove_c_times_d_is_identity).  [assumption].
% 0.72/1.00  10 -product(inverse(A),inverse(B),C) | product(A,C,B) # label(inverses_have_property) # label(hypothesis).  [assumption].
% 0.72/1.00  11 -product(A,B,C) | -product(A,B,D) | C = D # label(total_function2) # label(axiom).  [assumption].
% 0.72/1.00  13 -product(A,B,C) | -product(B,D,E) | -product(A,E,F) | product(C,D,F) # label(associativity2) # label(axiom).  [assumption].
% 0.72/1.00  14 product(a,d,b).  [hyper(10,a,8,a)].
% 0.72/1.00  23 multiply(A,A) = identity.  [hyper(11,a,7,a,b,3,a)].
% 0.72/1.00  26 inverse(identity) = identity.  [hyper(11,a,6,a,b,1,a),flip(a)].
% 0.72/1.00  102 -product(identity,d,c) # answer(prove_c_times_d_is_identity).  [ur(13,b,3,a,c,5,a,d,9,a),rewrite([26(2)])].
% 0.72/1.00  113 product(identity,d,c).  [hyper(13,a,7,a,b,14,a,c,4,a),rewrite([23(3)])].
% 0.72/1.00  114 $F # answer(prove_c_times_d_is_identity).  [resolve(113,a,102,a)].
% 0.72/1.00  
% 0.72/1.00  % SZS output end Refutation
% 0.72/1.00  ============================== end of proof ==========================
% 0.72/1.00  
% 0.72/1.00  ============================== STATISTICS ============================
% 0.72/1.00  
% 0.72/1.00  Given=14. Generated=470. Kept=113. proofs=1.
% 0.72/1.00  Usable=14. Sos=94. Demods=8. Limbo=3, Disabled=14. Hints=0.
% 0.72/1.00  Megabytes=0.09.
% 0.72/1.00  User_CPU=0.02, System_CPU=0.00, Wall_clock=0.
% 0.72/1.00  
% 0.72/1.00  ============================== end of statistics =====================
% 0.72/1.00  
% 0.72/1.00  ============================== end of search =========================
% 0.72/1.00  
% 0.72/1.00  THEOREM PROVED
% 0.72/1.00  % SZS status Unsatisfiable
% 0.72/1.00  
% 0.72/1.00  Exiting with 1 proof.
% 0.72/1.00  
% 0.72/1.00  Process 14250 exit (max_proofs) Mon Jun 13 11:20:49 2022
% 0.72/1.00  Prover9 interrupted
%------------------------------------------------------------------------------