TSTP Solution File: SET880+1 by Prover9---1109a
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- Process Solution
%------------------------------------------------------------------------------
% File : Prover9---1109a
% Problem : SET880+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_prover9 %d %s
% Computer : n025.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 04:33:08 EDT 2022
% Result : Theorem 0.43s 0.98s
% Output : Refutation 0.43s
% Verified :
% SZS Type : -
% Comments :
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11 % Problem : SET880+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.12 % Command : tptp2X_and_run_prover9 %d %s
% 0.12/0.33 % Computer : n025.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 : Sun Jul 10 04:05:31 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.43/0.98 ============================== Prover9 ===============================
% 0.43/0.98 Prover9 (32) version 2009-11A, November 2009.
% 0.43/0.98 Process 15730 was started by sandbox on n025.cluster.edu,
% 0.43/0.98 Sun Jul 10 04:05:31 2022
% 0.43/0.98 The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_15577_n025.cluster.edu".
% 0.43/0.98 ============================== end of head ===========================
% 0.43/0.98
% 0.43/0.98 ============================== INPUT =================================
% 0.43/0.98
% 0.43/0.98 % Reading from file /tmp/Prover9_15577_n025.cluster.edu
% 0.43/0.98
% 0.43/0.98 set(prolog_style_variables).
% 0.43/0.98 set(auto2).
% 0.43/0.98 % set(auto2) -> set(auto).
% 0.43/0.98 % set(auto) -> set(auto_inference).
% 0.43/0.98 % set(auto) -> set(auto_setup).
% 0.43/0.98 % set(auto_setup) -> set(predicate_elim).
% 0.43/0.98 % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/0.98 % set(auto) -> set(auto_limits).
% 0.43/0.98 % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/0.98 % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/0.98 % set(auto) -> set(auto_denials).
% 0.43/0.98 % set(auto) -> set(auto_process).
% 0.43/0.98 % set(auto2) -> assign(new_constants, 1).
% 0.43/0.98 % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/0.98 % set(auto2) -> assign(max_weight, "200.000").
% 0.43/0.98 % set(auto2) -> assign(max_hours, 1).
% 0.43/0.98 % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/0.98 % set(auto2) -> assign(max_seconds, 0).
% 0.43/0.98 % set(auto2) -> assign(max_minutes, 5).
% 0.43/0.98 % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/0.98 % set(auto2) -> set(sort_initial_sos).
% 0.43/0.98 % set(auto2) -> assign(sos_limit, -1).
% 0.43/0.98 % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/0.98 % set(auto2) -> assign(max_megs, 400).
% 0.43/0.98 % set(auto2) -> assign(stats, some).
% 0.43/0.98 % set(auto2) -> clear(echo_input).
% 0.43/0.98 % set(auto2) -> set(quiet).
% 0.43/0.98 % set(auto2) -> clear(print_initial_clauses).
% 0.43/0.98 % set(auto2) -> clear(print_given).
% 0.43/0.98 assign(lrs_ticks,-1).
% 0.43/0.98 assign(sos_limit,10000).
% 0.43/0.98 assign(order,kbo).
% 0.43/0.98 set(lex_order_vars).
% 0.43/0.98 clear(print_given).
% 0.43/0.98
% 0.43/0.98 % formulas(sos). % not echoed (7 formulas)
% 0.43/0.98
% 0.43/0.98 ============================== end of input ==========================
% 0.43/0.98
% 0.43/0.98 % From the command line: assign(max_seconds, 300).
% 0.43/0.98
% 0.43/0.98 ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/0.98
% 0.43/0.98 % Formulas that are not ordinary clauses:
% 0.43/0.98 1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 2 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 3 (all A all B (set_difference(singleton(A),B) = empty_set <-> in(A,B))) # label(l36_zfmisc_1) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 4 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 5 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 6 -(all A all B (set_difference(singleton(A),singleton(B)) = empty_set -> A = B)) # label(t21_zfmisc_1) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.43/0.98
% 0.43/0.98 ============================== end of process non-clausal formulas ===
% 0.43/0.98
% 0.43/0.98 ============================== PROCESS INITIAL CLAUSES ===============
% 0.43/0.98
% 0.43/0.98 ============================== PREDICATE ELIMINATION =================
% 0.43/0.98
% 0.43/0.98 ============================== end predicate elimination =============
% 0.43/0.98
% 0.43/0.98 Auto_denials: (non-Horn, no changes).
% 0.43/0.98
% 0.43/0.98 Term ordering decisions:
% 0.43/0.98
% 0.43/0.98 % Assigning unary symbol singleton kb_weight 0 and highest precedence (11).
% 0.43/0.98 Function symbol KB weights: empty_set=1. c1=1. c2=1. c3=1. c4=1. set_difference=1. f1=1. singleton=0.
% 0.43/0.98
% 0.43/0.98 ============================== end of process initial clauses ========
% 0.43/0.98
% 0.43/0.98 ============================== CLAUSES FOR SEARCH ====================
% 0.43/0.98
% 0.43/0.98 ============================== end of clauses for search =============
% 0.43/0.98
% 0.43/0.98 ============================== SEARCH ================================
% 0.43/0.98
% 0.43/0.98 % Starting search at 0.01 seconds.
% 0.43/0.98
% 0.43/0.98 ============================== PROOF =================================
% 0.43/0.98 % SZS status Theorem
% 0.43/0.98 % SZS output start Refutation
% 0.43/0.98
% 0.43/0.98 % Proof 1 at 0.01 (+ 0.00) seconds.
% 0.43/0.98 % Length of proof is 9.
% 0.43/0.98 % Level of proof is 3.
% 0.43/0.98 % Maximum clause weight is 10.000.
% 0.43/0.98 % Given clauses 10.
% 0.43/0.98
% 0.43/0.98 2 (all A all B (B = singleton(A) <-> (all C (in(C,B) <-> C = A)))) # label(d1_tarski) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 3 (all A all B (set_difference(singleton(A),B) = empty_set <-> in(A,B))) # label(l36_zfmisc_1) # label(axiom) # label(non_clause). [assumption].
% 0.43/0.98 6 -(all A all B (set_difference(singleton(A),singleton(B)) = empty_set -> A = B)) # label(t21_zfmisc_1) # label(negated_conjecture) # label(non_clause). [assumption].
% 0.43/0.98 9 set_difference(singleton(c3),singleton(c4)) = empty_set # label(t21_zfmisc_1) # label(negated_conjecture). [clausify(6)].
% 0.43/0.98 12 c4 != c3 # label(t21_zfmisc_1) # label(negated_conjecture). [clausify(6)].
% 0.43/0.98 14 set_difference(singleton(A),B) != empty_set | in(A,B) # label(l36_zfmisc_1) # label(axiom). [clausify(3)].
% 0.43/0.98 16 singleton(A) != B | -in(C,B) | C = A # label(d1_tarski) # label(axiom). [clausify(2)].
% 0.43/0.98 22 in(c3,singleton(c4)). [resolve(14,a,9,a)].
% 0.43/0.98 26 $F. [ur(16,a,xx,c,12,a(flip)),unit_del(a,22)].
% 0.43/0.98
% 0.43/0.98 % SZS output end Refutation
% 0.43/0.98 ============================== end of proof ==========================
% 0.43/0.98
% 0.43/0.98 ============================== STATISTICS ============================
% 0.43/0.98
% 0.43/0.98 Given=10. Generated=23. Kept=19. proofs=1.
% 0.43/0.98 Usable=10. Sos=7. Demods=1. Limbo=2, Disabled=12. Hints=0.
% 0.43/0.98 Megabytes=0.05.
% 0.43/0.98 User_CPU=0.01, System_CPU=0.00, Wall_clock=0.
% 0.43/0.98
% 0.43/0.98 ============================== end of statistics =====================
% 0.43/0.98
% 0.43/0.98 ============================== end of search =========================
% 0.43/0.98
% 0.43/0.98 THEOREM PROVED
% 0.43/0.98 % SZS status Theorem
% 0.43/0.98
% 0.43/0.98 Exiting with 1 proof.
% 0.43/0.98
% 0.43/0.98 Process 15730 exit (max_proofs) Sun Jul 10 04:05:31 2022
% 0.43/0.98 Prover9 interrupted
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