TSTP Solution File: SET639+3 by Prover9---1109a
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- Process Solution
%------------------------------------------------------------------------------
% File : Prover9---1109a
% Problem : SET639+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_prover9 %d %s
% Computer : n011.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 : Tue Jul 19 04:31:04 EDT 2022
% Result : Theorem 0.44s 1.01s
% Output : Refutation 0.44s
% Verified :
% SZS Type : -
% Comments :
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET639+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13 % Command : tptp2X_and_run_prover9 %d %s
% 0.12/0.33 % Computer : n011.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
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Sat Jul 9 21:03:26 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.44/1.01 ============================== Prover9 ===============================
% 0.44/1.01 Prover9 (32) version 2009-11A, November 2009.
% 0.44/1.01 Process 30171 was started by sandbox2 on n011.cluster.edu,
% 0.44/1.01 Sat Jul 9 21:03:26 2022
% 0.44/1.01 The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_29832_n011.cluster.edu".
% 0.44/1.01 ============================== end of head ===========================
% 0.44/1.01
% 0.44/1.01 ============================== INPUT =================================
% 0.44/1.01
% 0.44/1.01 % Reading from file /tmp/Prover9_29832_n011.cluster.edu
% 0.44/1.01
% 0.44/1.01 set(prolog_style_variables).
% 0.44/1.01 set(auto2).
% 0.44/1.01 % set(auto2) -> set(auto).
% 0.44/1.01 % set(auto) -> set(auto_inference).
% 0.44/1.01 % set(auto) -> set(auto_setup).
% 0.44/1.01 % set(auto_setup) -> set(predicate_elim).
% 0.44/1.01 % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/1.01 % set(auto) -> set(auto_limits).
% 0.44/1.01 % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/1.01 % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/1.01 % set(auto) -> set(auto_denials).
% 0.44/1.01 % set(auto) -> set(auto_process).
% 0.44/1.01 % set(auto2) -> assign(new_constants, 1).
% 0.44/1.01 % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/1.01 % set(auto2) -> assign(max_weight, "200.000").
% 0.44/1.01 % set(auto2) -> assign(max_hours, 1).
% 0.44/1.01 % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/1.01 % set(auto2) -> assign(max_seconds, 0).
% 0.44/1.01 % set(auto2) -> assign(max_minutes, 5).
% 0.44/1.01 % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/1.01 % set(auto2) -> set(sort_initial_sos).
% 0.44/1.01 % set(auto2) -> assign(sos_limit, -1).
% 0.44/1.01 % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/1.01 % set(auto2) -> assign(max_megs, 400).
% 0.44/1.01 % set(auto2) -> assign(stats, some).
% 0.44/1.01 % set(auto2) -> clear(echo_input).
% 0.44/1.01 % set(auto2) -> set(quiet).
% 0.44/1.01 % set(auto2) -> clear(print_initial_clauses).
% 0.44/1.01 % set(auto2) -> clear(print_given).
% 0.44/1.01 assign(lrs_ticks,-1).
% 0.44/1.01 assign(sos_limit,10000).
% 0.44/1.01 assign(order,kbo).
% 0.44/1.01 set(lex_order_vars).
% 0.44/1.01 clear(print_given).
% 0.44/1.01
% 0.44/1.01 % formulas(sos). % not echoed (10 formulas)
% 0.44/1.01
% 0.44/1.01 ============================== end of input ==========================
% 0.44/1.01
% 0.44/1.01 % From the command line: assign(max_seconds, 300).
% 0.44/1.01
% 0.44/1.01 ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/1.01
% 0.44/1.01 % Formulas that are not ordinary clauses:
% 0.44/1.01 1 (all B all C (subset(B,C) -> intersection(B,C) = B)) # label(subset_intersection) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 2 (all B -member(B,empty_set)) # label(empty_set_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 3 (all B all C all D (member(D,intersection(B,C)) <-> member(D,B) & member(D,C))) # label(intersection_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 4 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 5 (all B all C (B = C <-> subset(B,C) & subset(C,B))) # label(equal_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 6 (all B all C intersection(B,C) = intersection(C,B)) # label(commutativity_of_intersection) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 7 (all B subset(B,B)) # label(reflexivity_of_subset) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 8 (all B (empty(B) <-> (all C -member(C,B)))) # label(empty_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 9 (all B all C (B = C <-> (all D (member(D,B) <-> member(D,C))))) # label(equal_member_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 10 -(all B all C (subset(B,C) & intersection(C,B) = empty_set -> B = empty_set)) # label(prove_th121) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.44/1.01
% 0.44/1.01 ============================== end of process non-clausal formulas ===
% 0.44/1.01
% 0.44/1.01 ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/1.01
% 0.44/1.01 ============================== PREDICATE ELIMINATION =================
% 0.44/1.01 11 -empty(A) | -member(B,A) # label(empty_defn) # label(axiom). [clausify(8)].
% 0.44/1.01 12 empty(A) | member(f2(A),A) # label(empty_defn) # label(axiom). [clausify(8)].
% 0.44/1.01 Derived: -member(A,B) | member(f2(B),B). [resolve(11,a,12,a)].
% 0.44/1.01
% 0.44/1.01 ============================== end predicate elimination =============
% 0.44/1.01
% 0.44/1.01 Auto_denials: (non-Horn, no changes).
% 0.44/1.01
% 0.44/1.01 Term ordering decisions:
% 0.44/1.01
% 0.44/1.01 % Assigning unary symbol f2 kb_weight 0 and highest precedence (10).
% 0.44/1.01 Function symbol KB weights: empty_set=1. c1=1. c2=1. intersection=1. f1=1. f3=1. f2=0.
% 0.44/1.01
% 0.44/1.01 ============================== end of process initial clauses ========
% 0.44/1.01
% 0.44/1.01 ============================== CLAUSES FOR SEARCH ====================
% 0.44/1.01
% 0.44/1.01 ============================== end of clauses for search =============
% 0.44/1.01
% 0.44/1.01 ============================== SEARCH ================================
% 0.44/1.01
% 0.44/1.01 % Starting search at 0.01 seconds.
% 0.44/1.01
% 0.44/1.01 ============================== PROOF =================================
% 0.44/1.01 % SZS status Theorem
% 0.44/1.01 % SZS output start Refutation
% 0.44/1.01
% 0.44/1.01 % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.44/1.01 % Length of proof is 11.
% 0.44/1.01 % Level of proof is 4.
% 0.44/1.01 % Maximum clause weight is 8.000.
% 0.44/1.01 % Given clauses 10.
% 0.44/1.01
% 0.44/1.01 1 (all B all C (subset(B,C) -> intersection(B,C) = B)) # label(subset_intersection) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 6 (all B all C intersection(B,C) = intersection(C,B)) # label(commutativity_of_intersection) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.01 10 -(all B all C (subset(B,C) & intersection(C,B) = empty_set -> B = empty_set)) # label(prove_th121) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.44/1.01 14 subset(c1,c2) # label(prove_th121) # label(negated_conjecture). [clausify(10)].
% 0.44/1.01 15 intersection(c2,c1) = empty_set # label(prove_th121) # label(negated_conjecture). [clausify(10)].
% 0.44/1.01 16 empty_set = intersection(c2,c1). [copy(15),flip(a)].
% 0.44/1.01 17 intersection(A,B) = intersection(B,A) # label(commutativity_of_intersection) # label(axiom). [clausify(6)].
% 0.44/1.01 22 empty_set != c1 # label(prove_th121) # label(negated_conjecture). [clausify(10)].
% 0.44/1.01 23 intersection(c1,c2) != c1. [copy(22),rewrite([16(1),17(3)])].
% 0.44/1.01 26 -subset(A,B) | intersection(A,B) = A # label(subset_intersection) # label(axiom). [clausify(1)].
% 0.44/1.01 42 $F. [resolve(26,a,14,a),unit_del(a,23)].
% 0.44/1.01
% 0.44/1.01 % SZS output end Refutation
% 0.44/1.01 ============================== end of proof ==========================
% 0.44/1.01
% 0.44/1.01 ============================== STATISTICS ============================
% 0.44/1.01
% 0.44/1.01 Given=10. Generated=41. Kept=26. proofs=1.
% 0.44/1.01 Usable=10. Sos=14. Demods=2. Limbo=1, Disabled=24. Hints=0.
% 0.44/1.01 Megabytes=0.05.
% 0.44/1.01 User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.44/1.01
% 0.44/1.01 ============================== end of statistics =====================
% 0.44/1.01
% 0.44/1.01 ============================== end of search =========================
% 0.44/1.01
% 0.44/1.01 THEOREM PROVED
% 0.44/1.01 % SZS status Theorem
% 0.44/1.01
% 0.44/1.01 Exiting with 1 proof.
% 0.44/1.01
% 0.44/1.01 Process 30171 exit (max_proofs) Sat Jul 9 21:03:26 2022
% 0.44/1.01 Prover9 interrupted
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