TSTP Solution File: GRP195-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP195-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n028.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 11:18:06 EDT 2022

% Result   : Unsatisfiable 0.42s 0.97s
% Output   : Refutation 0.42s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP195-1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n028.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jun 13 10:17:07 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.42/0.97  ============================== Prover9 ===============================
% 0.42/0.97  Prover9 (32) version 2009-11A, November 2009.
% 0.42/0.97  Process 2119 was started by sandbox2 on n028.cluster.edu,
% 0.42/0.97  Mon Jun 13 10:17:08 2022
% 0.42/0.97  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_1959_n028.cluster.edu".
% 0.42/0.97  ============================== end of head ===========================
% 0.42/0.97  
% 0.42/0.97  ============================== INPUT =================================
% 0.42/0.97  
% 0.42/0.97  % Reading from file /tmp/Prover9_1959_n028.cluster.edu
% 0.42/0.97  
% 0.42/0.97  set(prolog_style_variables).
% 0.42/0.97  set(auto2).
% 0.42/0.97      % set(auto2) -> set(auto).
% 0.42/0.97      % set(auto) -> set(auto_inference).
% 0.42/0.97      % set(auto) -> set(auto_setup).
% 0.42/0.97      % set(auto_setup) -> set(predicate_elim).
% 0.42/0.97      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.42/0.97      % set(auto) -> set(auto_limits).
% 0.42/0.97      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.42/0.97      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.42/0.97      % set(auto) -> set(auto_denials).
% 0.42/0.97      % set(auto) -> set(auto_process).
% 0.42/0.97      % set(auto2) -> assign(new_constants, 1).
% 0.42/0.97      % set(auto2) -> assign(fold_denial_max, 3).
% 0.42/0.97      % set(auto2) -> assign(max_weight, "200.000").
% 0.42/0.97      % set(auto2) -> assign(max_hours, 1).
% 0.42/0.97      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.42/0.97      % set(auto2) -> assign(max_seconds, 0).
% 0.42/0.97      % set(auto2) -> assign(max_minutes, 5).
% 0.42/0.97      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.42/0.97      % set(auto2) -> set(sort_initial_sos).
% 0.42/0.97      % set(auto2) -> assign(sos_limit, -1).
% 0.42/0.97      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.42/0.97      % set(auto2) -> assign(max_megs, 400).
% 0.42/0.97      % set(auto2) -> assign(stats, some).
% 0.42/0.97      % set(auto2) -> clear(echo_input).
% 0.42/0.97      % set(auto2) -> set(quiet).
% 0.42/0.97      % set(auto2) -> clear(print_initial_clauses).
% 0.42/0.97      % set(auto2) -> clear(print_given).
% 0.42/0.97  assign(lrs_ticks,-1).
% 0.42/0.97  assign(sos_limit,10000).
% 0.42/0.97  assign(order,kbo).
% 0.42/0.97  set(lex_order_vars).
% 0.42/0.97  clear(print_given).
% 0.42/0.97  
% 0.42/0.97  % formulas(sos).  % not echoed (3 formulas)
% 0.42/0.97  
% 0.42/0.97  ============================== end of input ==========================
% 0.42/0.97  
% 0.42/0.97  % From the command line: assign(max_seconds, 300).
% 0.42/0.97  
% 0.42/0.97  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.42/0.97  
% 0.42/0.97  % Formulas that are not ordinary clauses:
% 0.42/0.97  
% 0.42/0.97  ============================== end of process non-clausal formulas ===
% 0.42/0.97  
% 0.42/0.97  ============================== PROCESS INITIAL CLAUSES ===============
% 0.42/0.97  
% 0.42/0.97  ============================== PREDICATE ELIMINATION =================
% 0.42/0.97  
% 0.42/0.97  ============================== end predicate elimination =============
% 0.42/0.97  
% 0.42/0.97  Auto_denials:
% 0.42/0.97    % copying label prove_this to answer in negative clause
% 0.42/0.97  
% 0.42/0.97  Term ordering decisions:
% 0.42/0.97  Function symbol KB weights:  a=1. b=1. multiply=1.
% 0.42/0.97  
% 0.42/0.97  ============================== end of process initial clauses ========
% 0.42/0.97  
% 0.42/0.97  ============================== CLAUSES FOR SEARCH ====================
% 0.42/0.97  
% 0.42/0.97  ============================== end of clauses for search =============
% 0.42/0.97  
% 0.42/0.97  ============================== SEARCH ================================
% 0.42/0.97  
% 0.42/0.97  % Starting search at 0.01 seconds.
% 0.42/0.97  
% 0.42/0.97  ============================== PROOF =================================
% 0.42/0.97  % SZS status Unsatisfiable
% 0.42/0.97  % SZS output start Refutation
% 0.42/0.97  
% 0.42/0.97  % Proof 1 at 0.01 (+ 0.00) seconds: prove_this.
% 0.42/0.98  % Length of proof is 8.
% 0.42/0.98  % Level of proof is 4.
% 0.42/0.98  % Maximum clause weight is 31.000.
% 0.42/0.98  % Given clauses 6.
% 0.42/0.98  
% 0.42/0.98  1 multiply(multiply(A,B),C) = multiply(A,multiply(B,C)) # label(associativity_of_multiply) # label(axiom).  [assumption].
% 0.42/0.98  2 multiply(A,multiply(B,B)) = multiply(B,multiply(B,A)) # label(condition) # label(hypothesis).  [assumption].
% 0.42/0.98  3 multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,b))))))) != multiply(a,multiply(a,multiply(a,multiply(a,multiply(b,multiply(b,multiply(b,b))))))) # label(prove_this) # label(negated_conjecture) # answer(prove_this).  [assumption].
% 0.42/0.98  4 multiply(A,multiply(B,multiply(B,C))) = multiply(B,multiply(B,multiply(A,C))).  [para(2(a,1),1(a,1,1)),rewrite([1(3),1(2),1(5)]),flip(a)].
% 0.42/0.98  9 multiply(A,multiply(B,multiply(C,multiply(B,multiply(C,D))))) = multiply(B,multiply(C,multiply(B,multiply(C,multiply(A,D))))).  [para(4(a,2),1(a,1)),rewrite([1(3),1(4),1(8)])].
% 0.42/0.98  14 multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,b))))))) != multiply(a,multiply(a,multiply(b,multiply(a,multiply(a,multiply(b,multiply(b,b))))))) # answer(prove_this).  [para(4(a,2),3(a,2,2,2))].
% 0.42/0.98  22 multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,multiply(b,multiply(a,b))))))) != multiply(a,multiply(a,multiply(b,multiply(a,multiply(b,multiply(b,multiply(a,b))))))) # answer(prove_this).  [para(4(a,1),14(a,2,2,2,2,2))].
% 0.42/0.98  23 $F # answer(prove_this).  [resolve(22,a,9,a(flip))].
% 0.42/0.98  
% 0.42/0.98  % SZS output end Refutation
% 0.42/0.98  ============================== end of proof ==========================
% 0.42/0.98  
% 0.42/0.98  ============================== STATISTICS ============================
% 0.42/0.98  
% 0.42/0.98  Given=6. Generated=104. Kept=22. proofs=1.
% 0.42/0.98  Usable=6. Sos=15. Demods=2. Limbo=0, Disabled=3. Hints=0.
% 0.42/0.98  Megabytes=0.06.
% 0.42/0.98  User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.42/0.98  
% 0.42/0.98  ============================== end of statistics =====================
% 0.42/0.98  
% 0.42/0.98  ============================== end of search =========================
% 0.42/0.98  
% 0.42/0.98  THEOREM PROVED
% 0.42/0.98  % SZS status Unsatisfiable
% 0.42/0.98  
% 0.42/0.98  Exiting with 1 proof.
% 0.42/0.98  
% 0.42/0.98  Process 2119 exit (max_proofs) Mon Jun 13 10:17:08 2022
% 0.42/0.98  Prover9 interrupted
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