TSTP Solution File: SET588+3 by Prover9---1109a
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Prover9---1109a
% Problem : SET588+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_prover9 %d %s
% Computer : n027.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 04:30:28 EDT 2022
% Result : Theorem 0.44s 1.00s
% Output : Refutation 0.44s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET588+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13 % Command : tptp2X_and_run_prover9 %d %s
% 0.12/0.34 % Computer : n027.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 : Sat Jul 9 21:13:47 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.44/0.99 ============================== Prover9 ===============================
% 0.44/0.99 Prover9 (32) version 2009-11A, November 2009.
% 0.44/0.99 Process 6582 was started by sandbox2 on n027.cluster.edu,
% 0.44/0.99 Sat Jul 9 21:13:47 2022
% 0.44/0.99 The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_6428_n027.cluster.edu".
% 0.44/0.99 ============================== end of head ===========================
% 0.44/0.99
% 0.44/0.99 ============================== INPUT =================================
% 0.44/0.99
% 0.44/0.99 % Reading from file /tmp/Prover9_6428_n027.cluster.edu
% 0.44/0.99
% 0.44/0.99 set(prolog_style_variables).
% 0.44/0.99 set(auto2).
% 0.44/0.99 % set(auto2) -> set(auto).
% 0.44/0.99 % set(auto) -> set(auto_inference).
% 0.44/0.99 % set(auto) -> set(auto_setup).
% 0.44/0.99 % set(auto_setup) -> set(predicate_elim).
% 0.44/0.99 % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/0.99 % set(auto) -> set(auto_limits).
% 0.44/0.99 % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/0.99 % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/0.99 % set(auto) -> set(auto_denials).
% 0.44/0.99 % set(auto) -> set(auto_process).
% 0.44/0.99 % set(auto2) -> assign(new_constants, 1).
% 0.44/0.99 % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/0.99 % set(auto2) -> assign(max_weight, "200.000").
% 0.44/0.99 % set(auto2) -> assign(max_hours, 1).
% 0.44/0.99 % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/0.99 % set(auto2) -> assign(max_seconds, 0).
% 0.44/0.99 % set(auto2) -> assign(max_minutes, 5).
% 0.44/0.99 % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/0.99 % set(auto2) -> set(sort_initial_sos).
% 0.44/0.99 % set(auto2) -> assign(sos_limit, -1).
% 0.44/0.99 % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/0.99 % set(auto2) -> assign(max_megs, 400).
% 0.44/0.99 % set(auto2) -> assign(stats, some).
% 0.44/0.99 % set(auto2) -> clear(echo_input).
% 0.44/0.99 % set(auto2) -> set(quiet).
% 0.44/0.99 % set(auto2) -> clear(print_initial_clauses).
% 0.44/0.99 % set(auto2) -> clear(print_given).
% 0.44/0.99 assign(lrs_ticks,-1).
% 0.44/0.99 assign(sos_limit,10000).
% 0.44/0.99 assign(order,kbo).
% 0.44/0.99 set(lex_order_vars).
% 0.44/0.99 clear(print_given).
% 0.44/0.99
% 0.44/0.99 % formulas(sos). % not echoed (4 formulas)
% 0.44/0.99
% 0.44/0.99 ============================== end of input ==========================
% 0.44/0.99
% 0.44/0.99 % From the command line: assign(max_seconds, 300).
% 0.44/0.99
% 0.44/0.99 ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/0.99
% 0.44/0.99 % Formulas that are not ordinary clauses:
% 0.44/0.99 1 (all B all C all D (member(D,difference(B,C)) <-> member(D,B) & -member(D,C))) # label(difference_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/0.99 2 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/0.99 3 (all B subset(B,B)) # label(reflexivity_of_subset) # label(axiom) # label(non_clause). [assumption].
% 0.44/0.99 4 -(all B all C all D (subset(B,C) -> subset(difference(B,D),difference(C,D)))) # label(prove_difference_subset1) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.44/0.99
% 0.44/0.99 ============================== end of process non-clausal formulas ===
% 0.44/0.99
% 0.44/0.99 ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/0.99
% 0.44/0.99 ============================== PREDICATE ELIMINATION =================
% 0.44/0.99 5 -subset(difference(c1,c3),difference(c2,c3)) # label(prove_difference_subset1) # label(negated_conjecture). [clausify(4)].
% 0.44/0.99 6 subset(A,A) # label(reflexivity_of_subset) # label(axiom). [clausify(3)].
% 0.44/0.99 7 subset(c1,c2) # label(prove_difference_subset1) # label(negated_conjecture). [clausify(4)].
% 0.44/0.99 8 subset(A,B) | member(f1(A,B),A) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/0.99 Derived: member(f1(difference(c1,c3),difference(c2,c3)),difference(c1,c3)). [resolve(5,a,8,a)].
% 0.44/0.99 9 subset(A,B) | -member(f1(A,B),B) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/0.99 Derived: -member(f1(difference(c1,c3),difference(c2,c3)),difference(c2,c3)). [resolve(9,a,5,a)].
% 0.44/0.99 10 -subset(A,B) | -member(C,A) | member(C,B) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/0.99 Derived: -member(A,c1) | member(A,c2). [resolve(10,a,7,a)].
% 0.44/0.99 Derived: -member(A,B) | member(A,C) | member(f1(B,C),B). [resolve(10,a,8,a)].
% 0.44/0.99 Derived: -member(A,B) | member(A,C) | -member(f1(B,C),C). [resolve(10,a,9,a)].
% 0.44/0.99
% 0.44/0.99 ============================== end predicate elimination =============
% 0.44/0.99
% 0.44/0.99 Auto_denials: (non-Horn, no changes).
% 0.44/0.99
% 0.44/0.99 Term ordering decisions:
% 0.44/0.99 Function symbol KB weights: c1=1. c2=1. c3=1. difference=1. f1=1.
% 0.44/1.00
% 0.44/1.00 ============================== end of process initial clauses ========
% 0.44/1.00
% 0.44/1.00 ============================== CLAUSES FOR SEARCH ====================
% 0.44/1.00
% 0.44/1.00 ============================== end of clauses for search =============
% 0.44/1.00
% 0.44/1.00 ============================== SEARCH ================================
% 0.44/1.00
% 0.44/1.00 % Starting search at 0.01 seconds.
% 0.44/1.00
% 0.44/1.00 ============================== PROOF =================================
% 0.44/1.00 % SZS status Theorem
% 0.44/1.00 % SZS output start Refutation
% 0.44/1.00
% 0.44/1.00 % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.44/1.00 % Length of proof is 18.
% 0.44/1.00 % Level of proof is 5.
% 0.44/1.00 % Maximum clause weight is 11.000.
% 0.44/1.00 % Given clauses 12.
% 0.44/1.00
% 0.44/1.00 1 (all B all C all D (member(D,difference(B,C)) <-> member(D,B) & -member(D,C))) # label(difference_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.00 2 (all B all C (subset(B,C) <-> (all D (member(D,B) -> member(D,C))))) # label(subset_defn) # label(axiom) # label(non_clause). [assumption].
% 0.44/1.00 4 -(all B all C all D (subset(B,C) -> subset(difference(B,D),difference(C,D)))) # label(prove_difference_subset1) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.44/1.00 5 -subset(difference(c1,c3),difference(c2,c3)) # label(prove_difference_subset1) # label(negated_conjecture). [clausify(4)].
% 0.44/1.00 7 subset(c1,c2) # label(prove_difference_subset1) # label(negated_conjecture). [clausify(4)].
% 0.44/1.00 8 subset(A,B) | member(f1(A,B),A) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/1.00 9 subset(A,B) | -member(f1(A,B),B) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/1.00 10 -subset(A,B) | -member(C,A) | member(C,B) # label(subset_defn) # label(axiom). [clausify(2)].
% 0.44/1.00 11 -member(A,difference(B,C)) | -member(A,C) # label(difference_defn) # label(axiom). [clausify(1)].
% 0.44/1.00 12 -member(A,difference(B,C)) | member(A,B) # label(difference_defn) # label(axiom). [clausify(1)].
% 0.44/1.00 13 member(A,difference(B,C)) | -member(A,B) | member(A,C) # label(difference_defn) # label(axiom). [clausify(1)].
% 0.44/1.00 14 member(f1(difference(c1,c3),difference(c2,c3)),difference(c1,c3)). [resolve(5,a,8,a)].
% 0.44/1.00 15 -member(f1(difference(c1,c3),difference(c2,c3)),difference(c2,c3)). [resolve(9,a,5,a)].
% 0.44/1.00 16 -member(A,c1) | member(A,c2). [resolve(10,a,7,a)].
% 0.44/1.00 20 member(f1(difference(c1,c3),difference(c2,c3)),c1). [resolve(14,a,12,a)].
% 0.44/1.00 21 -member(f1(difference(c1,c3),difference(c2,c3)),c3). [resolve(14,a,11,a)].
% 0.44/1.00 33 -member(f1(difference(c1,c3),difference(c2,c3)),c2). [ur(13,a,15,a,c,21,a)].
% 0.44/1.00 37 $F. [ur(16,b,33,a),unit_del(a,20)].
% 0.44/1.00
% 0.44/1.00 % SZS output end Refutation
% 0.44/1.00 ============================== end of proof ==========================
% 0.44/1.00
% 0.44/1.00 ============================== STATISTICS ============================
% 0.44/1.00
% 0.44/1.00 Given=12. Generated=33. Kept=26. proofs=1.
% 0.44/1.00 Usable=12. Sos=13. Demods=0. Limbo=1, Disabled=14. Hints=0.
% 0.44/1.00 Megabytes=0.06.
% 0.44/1.00 User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.44/1.00
% 0.44/1.00 ============================== end of statistics =====================
% 0.44/1.00
% 0.44/1.00 ============================== end of search =========================
% 0.44/1.00
% 0.44/1.00 THEOREM PROVED
% 0.44/1.00 % SZS status Theorem
% 0.44/1.00
% 0.44/1.00 Exiting with 1 proof.
% 0.44/1.00
% 0.44/1.00 Process 6582 exit (max_proofs) Sat Jul 9 21:13:47 2022
% 0.44/1.00 Prover9 interrupted
%------------------------------------------------------------------------------