TSTP Solution File: RNG008-5 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : RNG008-5 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n026.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 : Mon Jul 18 20:39:10 EDT 2022

% Result   : Unsatisfiable 1.55s 1.87s
% Output   : Refutation 1.55s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : RNG008-5 : TPTP v8.1.0. Released v1.0.0.
% 0.13/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.35  % Computer : n026.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon May 30 18:00:55 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 1.55/1.87  ============================== Prover9 ===============================
% 1.55/1.87  Prover9 (32) version 2009-11A, November 2009.
% 1.55/1.87  Process 29783 was started by sandbox on n026.cluster.edu,
% 1.55/1.87  Mon May 30 18:00:56 2022
% 1.55/1.87  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_29630_n026.cluster.edu".
% 1.55/1.87  ============================== end of head ===========================
% 1.55/1.87  
% 1.55/1.87  ============================== INPUT =================================
% 1.55/1.87  
% 1.55/1.87  % Reading from file /tmp/Prover9_29630_n026.cluster.edu
% 1.55/1.87  
% 1.55/1.87  set(prolog_style_variables).
% 1.55/1.87  set(auto2).
% 1.55/1.87      % set(auto2) -> set(auto).
% 1.55/1.87      % set(auto) -> set(auto_inference).
% 1.55/1.87      % set(auto) -> set(auto_setup).
% 1.55/1.87      % set(auto_setup) -> set(predicate_elim).
% 1.55/1.87      % set(auto_setup) -> assign(eq_defs, unfold).
% 1.55/1.87      % set(auto) -> set(auto_limits).
% 1.55/1.87      % set(auto_limits) -> assign(max_weight, "100.000").
% 1.55/1.87      % set(auto_limits) -> assign(sos_limit, 20000).
% 1.55/1.87      % set(auto) -> set(auto_denials).
% 1.55/1.87      % set(auto) -> set(auto_process).
% 1.55/1.87      % set(auto2) -> assign(new_constants, 1).
% 1.55/1.87      % set(auto2) -> assign(fold_denial_max, 3).
% 1.55/1.87      % set(auto2) -> assign(max_weight, "200.000").
% 1.55/1.87      % set(auto2) -> assign(max_hours, 1).
% 1.55/1.87      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 1.55/1.87      % set(auto2) -> assign(max_seconds, 0).
% 1.55/1.87      % set(auto2) -> assign(max_minutes, 5).
% 1.55/1.87      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 1.55/1.87      % set(auto2) -> set(sort_initial_sos).
% 1.55/1.87      % set(auto2) -> assign(sos_limit, -1).
% 1.55/1.87      % set(auto2) -> assign(lrs_ticks, 3000).
% 1.55/1.87      % set(auto2) -> assign(max_megs, 400).
% 1.55/1.87      % set(auto2) -> assign(stats, some).
% 1.55/1.87      % set(auto2) -> clear(echo_input).
% 1.55/1.87      % set(auto2) -> set(quiet).
% 1.55/1.87      % set(auto2) -> clear(print_initial_clauses).
% 1.55/1.87      % set(auto2) -> clear(print_given).
% 1.55/1.87  assign(lrs_ticks,-1).
% 1.55/1.87  assign(sos_limit,10000).
% 1.55/1.87  assign(order,kbo).
% 1.55/1.87  set(lex_order_vars).
% 1.55/1.87  clear(print_given).
% 1.55/1.87  
% 1.55/1.87  % formulas(sos).  % not echoed (26 formulas)
% 1.55/1.87  
% 1.55/1.87  ============================== end of input ==========================
% 1.55/1.87  
% 1.55/1.87  % From the command line: assign(max_seconds, 300).
% 1.55/1.87  
% 1.55/1.87  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 1.55/1.87  
% 1.55/1.87  % Formulas that are not ordinary clauses:
% 1.55/1.87  
% 1.55/1.87  ============================== end of process non-clausal formulas ===
% 1.55/1.87  
% 1.55/1.87  ============================== PROCESS INITIAL CLAUSES ===============
% 1.55/1.87  
% 1.55/1.87  ============================== PREDICATE ELIMINATION =================
% 1.55/1.87  
% 1.55/1.87  ============================== end predicate elimination =============
% 1.55/1.87  
% 1.55/1.87  Auto_denials:
% 1.55/1.87    % copying label prove_b_times_a_is_c to answer in negative clause
% 1.55/1.87  
% 1.55/1.87  Term ordering decisions:
% 1.55/1.87  
% 1.55/1.87  % Assigning unary symbol additive_inverse kb_weight 0 and highest precedence (10).
% 1.55/1.87  Function symbol KB weights:  additive_identity=1. a=1. b=1. c=1. add=1. multiply=1. additive_inverse=0.
% 1.55/1.87  
% 1.55/1.87  ============================== end of process initial clauses ========
% 1.55/1.87  
% 1.55/1.87  ============================== CLAUSES FOR SEARCH ====================
% 1.55/1.87  
% 1.55/1.87  ============================== end of clauses for search =============
% 1.55/1.87  
% 1.55/1.87  ============================== SEARCH ================================
% 1.55/1.87  
% 1.55/1.87  % Starting search at 0.01 seconds.
% 1.55/1.87  
% 1.55/1.87  ============================== PROOF =================================
% 1.55/1.87  % SZS status Unsatisfiable
% 1.55/1.87  % SZS output start Refutation
% 1.55/1.87  
% 1.55/1.87  % Proof 1 at 0.84 (+ 0.03) seconds: prove_b_times_a_is_c.
% 1.55/1.87  % Length of proof is 55.
% 1.55/1.87  % Level of proof is 8.
% 1.55/1.87  % Maximum clause weight is 20.000.
% 1.55/1.87  % Given clauses 149.
% 1.55/1.87  
% 1.55/1.87  1 sum(additive_identity,A,A) # label(additive_identity1) # label(axiom).  [assumption].
% 1.55/1.87  2 sum(A,additive_identity,A) # label(additive_identity2) # label(axiom).  [assumption].
% 1.55/1.87  3 product(A,additive_identity,additive_identity) # label(multiply_additive_id1) # label(axiom).  [assumption].
% 1.55/1.87  4 product(additive_identity,A,additive_identity) # label(multiply_additive_id2) # label(axiom).  [assumption].
% 1.55/1.87  5 product(A,A,A) # label(x_squared_is_x) # label(hypothesis).  [assumption].
% 1.55/1.87  6 product(a,b,c) # label(a_times_b_is_c) # label(hypothesis).  [assumption].
% 1.55/1.87  7 sum(additive_inverse(A),A,additive_identity) # label(left_inverse) # label(axiom).  [assumption].
% 1.55/1.87  8 sum(A,additive_inverse(A),additive_identity) # label(right_inverse) # label(axiom).  [assumption].
% 1.55/1.87  9 product(A,B,multiply(A,B)) # label(closure_of_multiplication) # label(axiom).  [assumption].
% 1.55/1.87  10 sum(A,B,add(A,B)) # label(closure_of_addition) # label(axiom).  [assumption].
% 1.55/1.87  11 sum(additive_inverse(additive_inverse(A)),additive_identity,A) # label(additive_inverse_additive_inverse) # label(axiom).  [assumption].
% 1.55/1.87  12 product(A,additive_inverse(B),additive_inverse(multiply(A,B))) # label(multiply_additive_inverse) # label(axiom).  [assumption].
% 1.55/1.87  13 sum(additive_inverse(A),additive_inverse(B),additive_inverse(add(A,B))) # label(distribute_additive_inverse) # label(axiom).  [assumption].
% 1.55/1.87  14 -product(b,a,c) # label(prove_b_times_a_is_c) # label(negated_conjecture) # answer(prove_b_times_a_is_c).  [assumption].
% 1.55/1.87  15 -sum(A,B,C) | sum(B,A,C) # label(commutativity_of_addition) # label(axiom).  [assumption].
% 1.55/1.87  16 -sum(A,B,C) | -sum(A,B,D) | C = D # label(addition_is_well_defined) # label(axiom).  [assumption].
% 1.55/1.87  17 -product(A,B,C) | -product(A,B,D) | C = D # label(multiplication_is_well_defined) # label(axiom).  [assumption].
% 1.55/1.87  18 -sum(A,B,C) | -sum(B,D,E) | -sum(C,D,F) | sum(A,E,F) # label(associativity_of_addition1) # label(axiom).  [assumption].
% 1.55/1.87  19 -sum(A,B,C) | -sum(B,D,E) | -sum(A,E,F) | sum(C,D,F) # label(associativity_of_addition2) # label(axiom).  [assumption].
% 1.55/1.87  23 -product(A,B,C) | -product(A,D,E) | -sum(B,D,F) | -sum(C,E,V6) | product(A,F,V6) # label(distributivity2) # label(axiom).  [assumption].
% 1.55/1.87  24 -product(A,B,C) | -product(D,B,E) | -sum(A,D,F) | -product(F,B,V6) | sum(C,E,V6) # label(distributivity3) # label(axiom).  [assumption].
% 1.55/1.87  25 -product(A,B,C) | -product(D,B,E) | -sum(A,D,F) | -sum(C,E,V6) | product(F,B,V6) # label(distributivity4) # label(axiom).  [assumption].
% 1.55/1.87  28 sum(A,B,add(B,A)).  [hyper(15,a,10,a)].
% 1.55/1.87  29 additive_inverse(add(A,B)) = add(additive_inverse(A),additive_inverse(B)).  [hyper(16,a,13,a,b,10,a)].
% 1.55/1.87  33 additive_inverse(additive_inverse(A)) = A.  [hyper(16,a,11,a,b,2,a),flip(a)].
% 1.55/1.87  34 add(A,additive_identity) = A.  [hyper(16,a,10,a,b,11,a),rewrite([33(2)])].
% 1.55/1.87  35 add(A,additive_inverse(A)) = additive_identity.  [hyper(16,a,10,a,b,8,a)].
% 1.55/1.87  37 add(additive_identity,A) = A.  [hyper(16,a,10,a,b,1,a)].
% 1.55/1.87  38 additive_inverse(additive_identity) = additive_identity.  [hyper(16,a,8,a,b,13,a),rewrite([35(3)]),flip(a)].
% 1.55/1.87  39 additive_inverse(multiply(A,B)) = multiply(A,additive_inverse(B)).  [hyper(17,a,12,a,b,9,a)].
% 1.55/1.87  43 multiply(A,A) = A.  [hyper(17,a,9,a,b,5,a)].
% 1.55/1.87  44 multiply(additive_identity,A) = additive_identity.  [hyper(17,a,9,a,b,4,a)].
% 1.55/1.87  45 multiply(A,additive_identity) = additive_identity.  [hyper(17,a,9,a,b,3,a)].
% 1.55/1.87  51 sum(additive_inverse(A),add(A,B),B).  [hyper(18,a,7,a,b,10,a,c,10,a),rewrite([37(4)])].
% 1.55/1.87  52 sum(add(A,B),C,add(A,add(B,C))).  [hyper(19,a,10,a,b,10,a,c,10,a)].
% 1.55/1.87  111 product(a,add(a,b),add(a,c)).  [hyper(23,a,5,a,b,6,a,c,10,a,d,10,a)].
% 1.55/1.87  113 -sum(multiply(b,a),additive_identity,c) # answer(prove_b_times_a_is_c).  [ur(23,a,9,a,b,9,a,c,2,a,e,14,a),rewrite([45(6)])].
% 1.55/1.87  130 sum(additive_inverse(A),multiply(A,additive_inverse(A)),additive_identity).  [hyper(24,a,5,a,b,9,a,c,7,a,d,9,a),rewrite([44(6)])].
% 1.55/1.87  182 sum(add(A,B),additive_inverse(A),B).  [hyper(19,a,28,a,b,8,a,c,28,a),rewrite([37(4)])].
% 1.55/1.87  218 add(A,B) = add(B,A).  [hyper(16,a,10,a,b,28,a)].
% 1.55/1.87  237 -sum(multiply(b,a),additive_inverse(c),additive_identity) # answer(prove_b_times_a_is_c).  [ur(18,b,7,a,c,1,a,d,113,a)].
% 1.55/1.87  342 add(additive_identity,additive_inverse(A)) = additive_inverse(A).  [para(38(a,1),29(a,2,1)),rewrite([218(2),34(2)]),flip(a)].
% 1.55/1.87  428 multiply(A,additive_inverse(A)) = additive_inverse(A).  [para(43(a,1),39(a,1,1)),flip(a)].
% 1.55/1.87  433 sum(additive_inverse(A),additive_inverse(A),additive_identity).  [back_rewrite(130),rewrite([428(3)])].
% 1.55/1.87  435 -product(additive_inverse(b),a,additive_inverse(c)) # answer(prove_b_times_a_is_c).  [ur(24,a,9,a,c,8,a,d,4,a,e,237,a)].
% 1.55/1.87  951 sum(additive_identity,additive_inverse(A),A).  [hyper(19,a,8,a,b,433,a,c,10,a),rewrite([34(4)])].
% 1.55/1.87  1024 add(additive_inverse(A),add(B,A)) = B.  [hyper(16,a,51,a,b,10,a),rewrite([218(2)]),flip(a)].
% 1.55/1.87  1045 -product(additive_inverse(b),add(a,b),add(b,additive_inverse(c))) # answer(prove_b_times_a_is_c).  [ur(23,a,5,a,c,51,a,d,51,a,e,435,a),rewrite([218(5)])].
% 1.55/1.87  1290 additive_inverse(A) = A.  [hyper(16,a,10,a,b,951,a),rewrite([342(3)])].
% 1.55/1.87  1339 -product(b,add(a,b),add(b,c)) # answer(prove_b_times_a_is_c).  [back_rewrite(1045),rewrite([1290(2),1290(7)])].
% 1.55/1.87  1347 add(A,add(A,B)) = B.  [back_rewrite(1024),rewrite([1290(1),218(1)])].
% 1.55/1.87  1405 sum(add(A,B),A,B).  [back_rewrite(182),rewrite([1290(2)])].
% 1.55/1.87  1516 add(A,add(B,C)) = add(C,add(A,B)).  [hyper(16,a,10,a,b,52,a),rewrite([218(2)]),flip(a)].
% 1.55/1.87  6557 product(b,add(a,b),add(b,c)).  [hyper(25,a,5,a,b,111,a,c,1405,a,d,52,a),rewrite([1516(10,R),218(9),1347(11)])].
% 1.55/1.87  6558 $F # answer(prove_b_times_a_is_c).  [resolve(6557,a,1339,a)].
% 1.55/1.87  
% 1.55/1.87  % SZS output end Refutation
% 1.55/1.87  ============================== end of proof ==========================
% 1.55/1.87  
% 1.55/1.87  ============================== STATISTICS ============================
% 1.55/1.87  
% 1.55/1.87  Given=149. Generated=40721. Kept=6557. proofs=1.
% 1.55/1.87  Usable=102. Sos=3832. Demods=29. Limbo=7, Disabled=2641. Hints=0.
% 1.55/1.87  Megabytes=4.83.
% 1.55/1.87  User_CPU=0.84, System_CPU=0.03, Wall_clock=1.
% 1.55/1.87  
% 1.55/1.87  ============================== end of statistics =====================
% 1.55/1.87  
% 1.55/1.87  ============================== end of search =========================
% 1.55/1.87  
% 1.55/1.87  THEOREM PROVED
% 1.55/1.87  % SZS status Unsatisfiable
% 1.55/1.87  
% 1.55/1.87  Exiting with 1 proof.
% 1.55/1.87  
% 1.55/1.87  Process 29783 exit (max_proofs) Mon May 30 18:00:57 2022
% 1.55/1.87  Prover9 interrupted
%------------------------------------------------------------------------------