TSTP Solution File: GRP127-1.004 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : GRP127-1.004 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n018.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 11:17:28 EDT 2022

% Result   : Unsatisfiable 0.41s 0.98s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : GRP127-1.004 : TPTP v8.1.0. Released v1.2.0.
% 0.06/0.11  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.32  % Computer : n018.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Mon Jun 13 04:56:27 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.41/0.97  ============================== Prover9 ===============================
% 0.41/0.97  Prover9 (32) version 2009-11A, November 2009.
% 0.41/0.97  Process 28605 was started by sandbox on n018.cluster.edu,
% 0.41/0.97  Mon Jun 13 04:56:27 2022
% 0.41/0.97  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_28450_n018.cluster.edu".
% 0.41/0.97  ============================== end of head ===========================
% 0.41/0.97  
% 0.41/0.97  ============================== INPUT =================================
% 0.41/0.97  
% 0.41/0.97  % Reading from file /tmp/Prover9_28450_n018.cluster.edu
% 0.41/0.97  
% 0.41/0.97  set(prolog_style_variables).
% 0.41/0.97  set(auto2).
% 0.41/0.97      % set(auto2) -> set(auto).
% 0.41/0.97      % set(auto) -> set(auto_inference).
% 0.41/0.97      % set(auto) -> set(auto_setup).
% 0.41/0.97      % set(auto_setup) -> set(predicate_elim).
% 0.41/0.97      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.41/0.97      % set(auto) -> set(auto_limits).
% 0.41/0.97      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.41/0.97      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.41/0.97      % set(auto) -> set(auto_denials).
% 0.41/0.97      % set(auto) -> set(auto_process).
% 0.41/0.97      % set(auto2) -> assign(new_constants, 1).
% 0.41/0.97      % set(auto2) -> assign(fold_denial_max, 3).
% 0.41/0.97      % set(auto2) -> assign(max_weight, "200.000").
% 0.41/0.97      % set(auto2) -> assign(max_hours, 1).
% 0.41/0.97      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.41/0.97      % set(auto2) -> assign(max_seconds, 0).
% 0.41/0.97      % set(auto2) -> assign(max_minutes, 5).
% 0.41/0.97      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.41/0.97      % set(auto2) -> set(sort_initial_sos).
% 0.41/0.97      % set(auto2) -> assign(sos_limit, -1).
% 0.41/0.97      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.41/0.97      % set(auto2) -> assign(max_megs, 400).
% 0.41/0.97      % set(auto2) -> assign(stats, some).
% 0.41/0.97      % set(auto2) -> clear(echo_input).
% 0.41/0.97      % set(auto2) -> set(quiet).
% 0.41/0.97      % set(auto2) -> clear(print_initial_clauses).
% 0.41/0.97      % set(auto2) -> clear(print_given).
% 0.41/0.97  assign(lrs_ticks,-1).
% 0.41/0.97  assign(sos_limit,10000).
% 0.41/0.97  assign(order,kbo).
% 0.41/0.97  set(lex_order_vars).
% 0.41/0.97  clear(print_given).
% 0.41/0.97  
% 0.41/0.97  % formulas(sos).  % not echoed (22 formulas)
% 0.41/0.97  
% 0.41/0.97  ============================== end of input ==========================
% 0.41/0.97  
% 0.41/0.97  % From the command line: assign(max_seconds, 300).
% 0.41/0.97  
% 0.41/0.97  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.41/0.97  
% 0.41/0.97  % Formulas that are not ordinary clauses:
% 0.41/0.97  
% 0.41/0.97  ============================== end of process non-clausal formulas ===
% 0.41/0.97  
% 0.41/0.97  ============================== PROCESS INITIAL CLAUSES ===============
% 0.41/0.97  
% 0.41/0.97  ============================== PREDICATE ELIMINATION =================
% 0.41/0.97  1 -product(A,B,C) | -product(A,B,D) | equalish(C,D) # label(product_total_function2) # label(axiom).  [assumption].
% 0.41/0.97  2 -equalish(e_1,e_2) # label(e_1_is_not_e_2) # label(axiom).  [assumption].
% 0.41/0.97  3 -equalish(e_1,e_3) # label(e_1_is_not_e_3) # label(axiom).  [assumption].
% 0.41/0.97  4 -equalish(e_1,e_4) # label(e_1_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.97  5 -equalish(e_2,e_1) # label(e_2_is_not_e_1) # label(axiom).  [assumption].
% 0.41/0.97  6 -equalish(e_2,e_3) # label(e_2_is_not_e_3) # label(axiom).  [assumption].
% 0.41/0.97  7 -equalish(e_2,e_4) # label(e_2_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.97  8 -equalish(e_3,e_1) # label(e_3_is_not_e_1) # label(axiom).  [assumption].
% 0.41/0.97  9 -equalish(e_3,e_2) # label(e_3_is_not_e_2) # label(axiom).  [assumption].
% 0.41/0.97  10 -equalish(e_3,e_4) # label(e_3_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.97  11 -equalish(e_4,e_1) # label(e_4_is_not_e_1) # label(axiom).  [assumption].
% 0.41/0.97  12 -equalish(e_4,e_2) # label(e_4_is_not_e_2) # label(axiom).  [assumption].
% 0.41/0.97  13 -equalish(e_4,e_3) # label(e_4_is_not_e_3) # label(axiom).  [assumption].
% 0.41/0.97  Derived: -product(A,B,e_1) | -product(A,B,e_2).  [resolve(1,c,2,a)].
% 0.41/0.97  Derived: -product(A,B,e_1) | -product(A,B,e_3).  [resolve(1,c,3,a)].
% 0.41/0.97  Derived: -product(A,B,e_1) | -product(A,B,e_4).  [resolve(1,c,4,a)].
% 0.41/0.97  Derived: -product(A,B,e_2) | -product(A,B,e_3).  [resolve(1,c,6,a)].
% 0.41/0.97  Derived: -product(A,B,e_2) | -product(A,B,e_4).  [resolve(1,c,7,a)].
% 0.41/0.97  Derived: -product(A,B,e_3) | -product(A,B,e_4).  [resolve(1,c,10,a)].
% 0.41/0.97  14 -product(A,B,C) | -product(A,D,C) | equalish(B,D) # label(product_right_cancellation) # label(axiom).  [assumption].
% 0.41/0.97  Derived: -product(A,e_1,B) | -product(A,e_2,B).  [resolve(14,c,2,a)].
% 0.41/0.97  Derived: -product(A,e_1,B) | -product(A,e_3,B).  [resolve(14,c,3,a)].
% 0.41/0.97  Derived: -product(A,e_1,B) | -product(A,e_4,B).  [resolve(14,c,4,a)].
% 0.41/0.98  Derived: -product(A,e_2,B) | -product(A,e_3,B).  [resolve(14,c,6,a)].
% 0.41/0.98  Derived: -product(A,e_2,B) | -product(A,e_4,B).  [resolve(14,c,7,a)].
% 0.41/0.98  Derived: -product(A,e_3,B) | -product(A,e_4,B).  [resolve(14,c,10,a)].
% 0.41/0.98  15 -product(A,B,C) | -product(D,B,C) | equalish(A,D) # label(product_left_cancellation) # label(axiom).  [assumption].
% 0.41/0.98  Derived: -product(e_1,A,B) | -product(e_2,A,B).  [resolve(15,c,2,a)].
% 0.41/0.98  Derived: -product(e_1,A,B) | -product(e_3,A,B).  [resolve(15,c,3,a)].
% 0.41/0.98  Derived: -product(e_1,A,B) | -product(e_4,A,B).  [resolve(15,c,4,a)].
% 0.41/0.98  Derived: -product(e_2,A,B) | -product(e_3,A,B).  [resolve(15,c,6,a)].
% 0.41/0.98  Derived: -product(e_2,A,B) | -product(e_4,A,B).  [resolve(15,c,7,a)].
% 0.41/0.98  Derived: -product(e_3,A,B) | -product(e_4,A,B).  [resolve(15,c,10,a)].
% 0.41/0.98  
% 0.41/0.98  ============================== end predicate elimination =============
% 0.41/0.98  
% 0.41/0.98  Auto_denials:  (non-Horn, no changes).
% 0.41/0.98  
% 0.41/0.98  Term ordering decisions:
% 0.41/0.98  Function symbol KB weights:  e_1=1. e_2=1. e_3=1. e_4=1.
% 0.41/0.98  
% 0.41/0.98  ============================== end of process initial clauses ========
% 0.41/0.98  
% 0.41/0.98  ============================== CLAUSES FOR SEARCH ====================
% 0.41/0.98  
% 0.41/0.98  ============================== end of clauses for search =============
% 0.41/0.98  
% 0.41/0.98  ============================== SEARCH ================================
% 0.41/0.98  
% 0.41/0.98  % Starting search at 0.01 seconds.
% 0.41/0.98  
% 0.41/0.98  ============================== PROOF =================================
% 0.41/0.98  % SZS status Unsatisfiable
% 0.41/0.98  % SZS output start Refutation
% 0.41/0.98  
% 0.41/0.98  % Proof 1 at 0.03 (+ 0.00) seconds.
% 0.41/0.98  % Length of proof is 83.
% 0.41/0.98  % Level of proof is 11.
% 0.41/0.98  % Maximum clause weight is 20.000.
% 0.41/0.98  % Given clauses 146.
% 0.41/0.98  
% 0.41/0.98  2 -equalish(e_1,e_2) # label(e_1_is_not_e_2) # label(axiom).  [assumption].
% 0.41/0.98  3 -equalish(e_1,e_3) # label(e_1_is_not_e_3) # label(axiom).  [assumption].
% 0.41/0.98  4 -equalish(e_1,e_4) # label(e_1_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.98  6 -equalish(e_2,e_3) # label(e_2_is_not_e_3) # label(axiom).  [assumption].
% 0.41/0.98  7 -equalish(e_2,e_4) # label(e_2_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.98  10 -equalish(e_3,e_4) # label(e_3_is_not_e_4) # label(axiom).  [assumption].
% 0.41/0.98  14 -product(A,B,C) | -product(A,D,C) | equalish(B,D) # label(product_right_cancellation) # label(axiom).  [assumption].
% 0.41/0.98  15 -product(A,B,C) | -product(D,B,C) | equalish(A,D) # label(product_left_cancellation) # label(axiom).  [assumption].
% 0.41/0.98  16 group_element(e_1) # label(element_1) # label(axiom).  [assumption].
% 0.41/0.98  17 group_element(e_2) # label(element_2) # label(axiom).  [assumption].
% 0.41/0.98  18 group_element(e_3) # label(element_3) # label(axiom).  [assumption].
% 0.41/0.98  19 group_element(e_4) # label(element_4) # label(axiom).  [assumption].
% 0.41/0.98  20 product(A,A,A) # label(product_idempotence) # label(axiom).  [assumption].
% 0.41/0.98  21 -product(A,B,C) | -product(C,A,D) | product(D,A,B) # label(qg3) # label(negated_conjecture).  [assumption].
% 0.41/0.98  22 -group_element(A) | -group_element(B) | product(A,B,e_1) | product(A,B,e_2) | product(A,B,e_3) | product(A,B,e_4) # label(product_total_function1) # label(axiom).  [assumption].
% 0.41/0.98  29 -product(A,e_1,B) | -product(A,e_2,B).  [resolve(14,c,2,a)].
% 0.41/0.98  30 -product(A,e_1,B) | -product(A,e_3,B).  [resolve(14,c,3,a)].
% 0.41/0.98  31 -product(A,e_1,B) | -product(A,e_4,B).  [resolve(14,c,4,a)].
% 0.41/0.98  32 -product(A,e_2,B) | -product(A,e_3,B).  [resolve(14,c,6,a)].
% 0.41/0.98  33 -product(A,e_2,B) | -product(A,e_4,B).  [resolve(14,c,7,a)].
% 0.41/0.98  34 -product(A,e_3,B) | -product(A,e_4,B).  [resolve(14,c,10,a)].
% 0.41/0.98  35 -product(e_1,A,B) | -product(e_2,A,B).  [resolve(15,c,2,a)].
% 0.41/0.98  36 -product(e_1,A,B) | -product(e_3,A,B).  [resolve(15,c,3,a)].
% 0.41/0.98  37 -product(e_1,A,B) | -product(e_4,A,B).  [resolve(15,c,4,a)].
% 0.41/0.98  38 -product(e_2,A,B) | -product(e_3,A,B).  [resolve(15,c,6,a)].
% 0.41/0.98  39 -product(e_2,A,B) | -product(e_4,A,B).  [resolve(15,c,7,a)].
% 0.41/0.98  40 -product(e_3,A,B) | -product(e_4,A,B).  [resolve(15,c,10,a)].
% 0.41/0.98  44 -group_element(A) | product(e_4,A,e_1) | product(e_4,A,e_2) | product(e_4,A,e_3) | product(e_4,A,e_4).  [resolve(22,a,19,a)].
% 0.41/0.98  45 -group_element(A) | product(e_3,A,e_1) | product(e_3,A,e_2) | product(e_3,A,e_3) | product(e_3,A,e_4).  [resolve(22,a,18,a)].
% 0.41/0.98  46 -group_element(A) | product(e_2,A,e_1) | product(e_2,A,e_2) | product(e_2,A,e_3) | product(e_2,A,e_4).  [resolve(22,a,17,a)].
% 0.41/0.98  47 -group_element(A) | product(e_1,A,e_1) | product(e_1,A,e_2) | product(e_1,A,e_3) | product(e_1,A,e_4).  [resolve(22,a,16,a)].
% 0.41/0.98  64 -product(e_2,e_1,e_2).  [resolve(29,b,20,a)].
% 0.41/0.98  66 -product(e_3,e_1,e_3).  [resolve(30,b,20,a)].
% 0.41/0.98  67 -product(e_1,e_3,e_1).  [ur(30,a,20,a)].
% 0.41/0.98  69 -product(e_1,e_4,e_1).  [ur(31,a,20,a)].
% 0.41/0.98  70 -product(e_3,e_2,e_3).  [resolve(32,b,20,a)].
% 0.41/0.98  71 -product(e_2,e_3,e_2).  [ur(32,a,20,a)].
% 0.41/0.98  73 -product(e_2,e_4,e_2).  [ur(33,a,20,a)].
% 0.41/0.98  74 -product(e_4,e_3,e_4).  [resolve(34,b,20,a)].
% 0.41/0.98  75 -product(e_3,e_4,e_3).  [ur(34,a,20,a)].
% 0.41/0.98  77 -product(e_2,e_1,e_1).  [ur(35,a,20,a)].
% 0.41/0.98  78 -product(e_1,e_3,e_3).  [resolve(36,b,20,a)].
% 0.41/0.98  79 -product(e_3,e_1,e_1).  [ur(36,a,20,a)].
% 0.41/0.98  80 -product(e_1,e_4,e_4).  [resolve(37,b,20,a)].
% 0.41/0.98  82 -product(e_2,e_3,e_3).  [resolve(38,b,20,a)].
% 0.41/0.98  83 -product(e_3,e_2,e_2).  [ur(38,a,20,a)].
% 0.41/0.98  84 -product(e_2,e_4,e_4).  [resolve(39,b,20,a)].
% 0.41/0.98  86 -product(e_3,e_4,e_4).  [resolve(40,b,20,a)].
% 0.41/0.98  87 -product(e_4,e_3,e_3).  [ur(40,a,20,a)].
% 0.41/0.98  88 product(e_4,e_3,e_1) | product(e_4,e_3,e_2).  [resolve(44,a,18,a),unit_del(c,87),unit_del(d,74)].
% 0.41/0.98  93 product(e_4,e_3,e_1) | -product(e_3,A,e_4) | product(e_2,e_3,A).  [resolve(88,b,21,b)].
% 0.41/0.98  99 product(e_3,e_4,e_1) | product(e_3,e_4,e_2).  [resolve(45,a,19,a),unit_del(c,75),unit_del(d,86)].
% 0.41/0.98  100 product(e_3,e_2,e_1) | product(e_3,e_2,e_4).  [resolve(45,a,17,a),unit_del(b,83),unit_del(c,70)].
% 0.41/0.98  101 product(e_3,e_1,e_2) | product(e_3,e_1,e_4).  [resolve(45,a,16,a),unit_del(a,79),unit_del(c,66)].
% 0.41/0.98  105 product(e_2,e_4,e_1) | product(e_2,e_4,e_3).  [resolve(46,a,19,a),unit_del(b,73),unit_del(d,84)].
% 0.41/0.98  106 product(e_2,e_3,e_1) | product(e_2,e_3,e_4).  [resolve(46,a,18,a),unit_del(b,71),unit_del(c,82)].
% 0.41/0.98  107 product(e_2,e_1,e_3) | product(e_2,e_1,e_4).  [resolve(46,a,16,a),unit_del(a,77),unit_del(b,64)].
% 0.41/0.98  109 product(e_3,e_4,e_1) | -product(e_1,e_4,e_2).  [resolve(99,b,36,b)].
% 0.41/0.98  110 product(e_3,e_4,e_1) | -product(e_3,e_1,e_2).  [resolve(99,b,31,b)].
% 0.41/0.98  117 product(e_3,e_1,e_2) | -product(e_2,e_1,e_4).  [resolve(101,b,38,b)].
% 0.41/0.98  120 product(e_1,e_4,e_2) | product(e_1,e_4,e_3).  [resolve(47,a,19,a),unit_del(a,69),unit_del(d,80)].
% 0.41/0.98  121 product(e_1,e_3,e_2) | product(e_1,e_3,e_4).  [resolve(47,a,18,a),unit_del(a,67),unit_del(c,78)].
% 0.41/0.98  123 product(e_2,e_4,e_1) | -product(e_1,e_4,e_3).  [resolve(105,b,35,b)].
% 0.41/0.98  124 product(e_2,e_4,e_1) | -product(e_2,e_1,e_3).  [resolve(105,b,31,b)].
% 0.41/0.98  127 product(e_2,e_3,e_1) | -product(e_1,e_3,e_4).  [resolve(106,b,35,b)].
% 0.41/0.98  128 product(e_2,e_3,e_1) | -product(e_2,e_1,e_4).  [resolve(106,b,30,b)].
% 0.41/0.98  137 product(e_3,e_1,e_2) | product(e_2,e_1,e_3).  [resolve(117,b,107,b)].
% 0.41/0.98  147 product(e_2,e_4,e_1) | product(e_1,e_4,e_2).  [resolve(123,b,120,b)].
% 0.41/0.98  148 product(e_2,e_3,e_1) | product(e_1,e_3,e_2).  [resolve(127,b,121,b)].
% 0.41/0.98  149 product(e_2,e_3,e_1) | product(e_2,e_1,e_3).  [resolve(128,b,107,b)].
% 0.41/0.98  153 product(e_2,e_1,e_3) | product(e_3,e_4,e_1).  [resolve(137,a,110,b)].
% 0.41/0.98  160 product(e_1,e_4,e_2) | -product(e_2,e_3,e_1).  [resolve(147,a,34,b)].
% 0.41/0.98  164 product(e_4,e_3,e_1) | product(e_3,e_2,e_1).  [resolve(93,b,100,b),unit_del(b,71)].
% 0.41/0.98  173 product(e_2,e_1,e_3) | -product(e_3,e_2,e_1).  [resolve(153,b,33,b)].
% 0.41/0.98  184 product(e_1,e_4,e_2) | product(e_1,e_3,e_2).  [resolve(160,b,148,a)].
% 0.41/0.98  185 product(e_3,e_2,e_1) | -product(e_2,e_3,e_1).  [resolve(164,a,39,b)].
% 0.41/0.98  208 product(e_1,e_3,e_2) | product(e_3,e_4,e_1).  [resolve(184,a,109,b)].
% 0.41/0.98  212 product(e_3,e_2,e_1) | product(e_2,e_1,e_3).  [resolve(185,b,149,a)].
% 0.41/0.98  243 product(e_1,e_3,e_2) | -product(e_2,e_4,e_1).  [resolve(208,b,38,b)].
% 0.41/0.98  251 product(e_2,e_1,e_3).  [resolve(212,a,173,b),merge(b)].
% 0.41/0.98  252 product(e_2,e_4,e_1).  [back_unit_del(124),unit_del(b,251)].
% 0.41/0.98  254 product(e_1,e_3,e_2).  [back_unit_del(243),unit_del(b,252)].
% 0.41/0.98  261 $F.  [ur(21,b,251,a,c,66,a),unit_del(a,254)].
% 0.41/0.98  
% 0.41/0.98  % SZS output end Refutation
% 0.41/0.98  ============================== end of proof ==========================
% 0.41/0.98  
% 0.41/0.98  ============================== STATISTICS ============================
% 0.41/0.98  
% 0.41/0.98  Given=146. Generated=499. Kept=245. proofs=1.
% 0.41/0.98  Usable=106. Sos=52. Demods=0. Limbo=5, Disabled=122. Hints=0.
% 0.41/0.98  Megabytes=0.16.
% 0.41/0.98  User_CPU=0.03, System_CPU=0.00, Wall_clock=0.
% 0.41/0.98  
% 0.41/0.98  ============================== end of statistics =====================
% 0.41/0.98  
% 0.41/0.98  ============================== end of search =========================
% 0.41/0.98  
% 0.41/0.98  THEOREM PROVED
% 0.41/0.98  % SZS status Unsatisfiable
% 0.41/0.98  
% 0.41/0.98  Exiting with 1 proof.
% 0.41/0.98  
% 0.41/0.98  Process 28605 exit (max_proofs) Mon Jun 13 04:56:27 2022
% 0.41/0.98  Prover9 interrupted
%------------------------------------------------------------------------------