TSTP Solution File: PUZ004-1 by Prover9---1109a
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Prover9---1109a
% Problem : PUZ004-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : tptp2X_and_run_prover9 %d %s
% Computer : n019.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 18:23:48 EDT 2022
% Result : Unsatisfiable 0.44s 1.00s
% Output : Refutation 0.44s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : PUZ004-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13 % Command : tptp2X_and_run_prover9 %d %s
% 0.13/0.34 % Computer : n019.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 600
% 0.13/0.34 % DateTime : Sun May 29 02:14:56 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.44/1.00 ============================== Prover9 ===============================
% 0.44/1.00 Prover9 (32) version 2009-11A, November 2009.
% 0.44/1.00 Process 28866 was started by sandbox on n019.cluster.edu,
% 0.44/1.00 Sun May 29 02:14:56 2022
% 0.44/1.00 The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_28489_n019.cluster.edu".
% 0.44/1.00 ============================== end of head ===========================
% 0.44/1.00
% 0.44/1.00 ============================== INPUT =================================
% 0.44/1.00
% 0.44/1.00 % Reading from file /tmp/Prover9_28489_n019.cluster.edu
% 0.44/1.00
% 0.44/1.00 set(prolog_style_variables).
% 0.44/1.00 set(auto2).
% 0.44/1.00 % set(auto2) -> set(auto).
% 0.44/1.00 % set(auto) -> set(auto_inference).
% 0.44/1.00 % set(auto) -> set(auto_setup).
% 0.44/1.00 % set(auto_setup) -> set(predicate_elim).
% 0.44/1.00 % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/1.00 % set(auto) -> set(auto_limits).
% 0.44/1.00 % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/1.00 % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/1.00 % set(auto) -> set(auto_denials).
% 0.44/1.00 % set(auto) -> set(auto_process).
% 0.44/1.00 % set(auto2) -> assign(new_constants, 1).
% 0.44/1.00 % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/1.00 % set(auto2) -> assign(max_weight, "200.000").
% 0.44/1.00 % set(auto2) -> assign(max_hours, 1).
% 0.44/1.00 % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/1.00 % set(auto2) -> assign(max_seconds, 0).
% 0.44/1.00 % set(auto2) -> assign(max_minutes, 5).
% 0.44/1.00 % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/1.00 % set(auto2) -> set(sort_initial_sos).
% 0.44/1.00 % set(auto2) -> assign(sos_limit, -1).
% 0.44/1.00 % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/1.00 % set(auto2) -> assign(max_megs, 400).
% 0.44/1.00 % set(auto2) -> assign(stats, some).
% 0.44/1.00 % set(auto2) -> clear(echo_input).
% 0.44/1.00 % set(auto2) -> set(quiet).
% 0.44/1.00 % set(auto2) -> clear(print_initial_clauses).
% 0.44/1.00 % set(auto2) -> clear(print_given).
% 0.44/1.00 assign(lrs_ticks,-1).
% 0.44/1.00 assign(sos_limit,10000).
% 0.44/1.00 assign(order,kbo).
% 0.44/1.00 set(lex_order_vars).
% 0.44/1.00 clear(print_given).
% 0.44/1.00
% 0.44/1.00 % formulas(sos). % not echoed (12 formulas)
% 0.44/1.00
% 0.44/1.00 ============================== end of input ==========================
% 0.44/1.00
% 0.44/1.00 % From the command line: assign(max_seconds, 300).
% 0.44/1.00
% 0.44/1.00 ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/1.00
% 0.44/1.00 % Formulas that are not ordinary clauses:
% 0.44/1.00
% 0.44/1.00 ============================== end of process non-clausal formulas ===
% 0.44/1.00
% 0.44/1.00 ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/1.00
% 0.44/1.00 ============================== PREDICATE ELIMINATION =================
% 0.44/1.00
% 0.44/1.00 ============================== end predicate elimination =============
% 0.44/1.00
% 0.44/1.00 Auto_denials: (non-Horn, no changes).
% 0.44/1.00
% 0.44/1.00 Term ordering decisions:
% 0.44/1.00 Function symbol KB weights:
% 0.44/1.00
% 0.44/1.00 ============================== PROOF =================================
% 0.44/1.00 % SZS status Unsatisfiable
% 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 20.
% 0.44/1.00 % Level of proof is 5.
% 0.44/1.00 % Maximum clause weight is 2.000.
% 0.44/1.00 % Given clauses 0.
% 0.44/1.00
% 0.44/1.00 1 by_brown # label(letter_by_brown) # label(hypothesis). [assumption].
% 0.44/1.00 2 can_be_read # label(prove_it_cannot_be_read) # label(negated_conjecture). [assumption].
% 0.44/1.00 3 crossed | in_black_ink # label(not_crossed_in_black_ink) # label(axiom). [assumption].
% 0.44/1.00 4 -can_be_read | -filed # label(not_filed_if_read) # label(axiom). [assumption].
% 0.44/1.00 5 -filed. [copy(4),unit_del(a,2)].
% 0.44/1.00 6 -begins_with_dear_sir | -in_third_person # label(no_dear_sirs_in_third_person) # label(axiom). [assumption].
% 0.44/1.00 7 -dated | on_blue_paper # label(dated_on_blue_paper) # label(axiom). [assumption].
% 0.44/1.00 9 in_third_person | -in_black_ink # label(black_ink_in_third_person) # label(axiom). [assumption].
% 0.44/1.00 10 -on_one_sheet | dated # label(dated_if_on_one_sheet) # label(axiom). [assumption].
% 0.44/1.00 11 -by_brown | begins_with_dear_sir # label(brown_starts_with_sir) # label(axiom). [assumption].
% 0.44/1.00 12 begins_with_dear_sir. [copy(11),unit_del(a,1)].
% 0.44/1.00 13 -on_blue_paper | filed # label(filed_if_on_blue_paper) # label(axiom). [assumption].
% 0.44/1.00 14 -on_blue_paper. [copy(13),unit_del(b,5)].
% 0.44/1.00 15 on_one_sheet | -crossed # label(on_one_sheet_if_crossed) # label(axiom). [assumption].
% 0.44/1.00 16 -in_third_person. [back_unit_del(6),unit_del(a,12)].
% 0.44/1.00 17 -dated. [back_unit_del(7),unit_del(b,14)].
% 0.44/1.00 18 -in_black_ink. [back_unit_del(9),unit_del(a,16)].
% 0.44/1.00 19 -on_one_sheet. [back_unit_del(10),unit_del(b,17)].
% 0.44/1.00 20 crossed. [back_unit_del(3),unit_del(b,18)].
% 0.44/1.00 21 $F. [back_unit_del(15),unit_del(a,19),unit_del(b,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=0. Generated=18. Kept=17. proofs=1.
% 0.44/1.00 Usable=0. Sos=8. Demods=0. Limbo=2, Disabled=19. Hints=0.
% 0.44/1.00 Megabytes=0.02.
% 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 Unsatisfiable
% 0.44/1.00
% 0.44/1.00 Exiting with 1 proof.
% 0.44/1.00
% 0.44/1.00 Process 28866 exit (max_proofs) Sun May 29 02:14:56 2022
% 0.44/1.00 Prover9 interrupted
%------------------------------------------------------------------------------