%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : PUZ020-1 : TPTP v9.2.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.sLgTMDPDAz true
% Computer : n015.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 : 300s
% DateTime : Thu Oct 2 04:49:30 PM UTC 2025
% Result : Unsatisfiable 0.56s 0.74s
% Output : Refutation 0.56s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : PUZ020-1 : TPTP v9.2.0. Released v1.0.0.
% 0.11/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.sLgTMDPDAz true
% 0.13/0.34 % Computer : n015.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 : 300
% 0.13/0.34 % DateTime : Wed Oct 1 15:09:08 EDT 2025
% 0.13/0.34 % CPUTime :
% 0.13/0.34 % Running portfolio for 300 s
% 0.13/0.34 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.56/0.64 % Total configuration time : 435
% 0.56/0.64 % Estimated wc time : 1092
% 0.56/0.64 % Estimated cpu time (7 cpus) : 156.0
% 0.56/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.74 % Solved by fo/fo6_bce.sh.
% 0.56/0.74 % BCE start: 19
% 0.56/0.74 % BCE eliminated: 1
% 0.56/0.74 % PE start: 18
% 0.56/0.74 logic: eq
% 0.56/0.74 % PE eliminated: 3
% 0.56/0.74 % done 15 iterations in 0.014s
% 0.56/0.74 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.56/0.74 % SZS output start Refutation
% 0.56/0.74 thf(a_truth_type, type, a_truth: $i > $o).
% 0.56/0.74 thf(wife_type, type, wife: $i).
% 0.56/0.74 thf(says_type, type, says: $i > $i > $o).
% 0.56/0.74 thf(person_type, type, person: $i > $o).
% 0.56/0.74 thf(knight_type, type, knight: $i > $o).
% 0.56/0.74 thf(knave_type, type, knave: $i > $o).
% 0.56/0.74 thf(statement_by_type, type, statement_by: $i > $i).
% 0.56/0.74 thf(husband_type, type, husband: $i).
% 0.56/0.74 thf(everyone_a_knight_or_knave, axiom,
% 0.56/0.74 (( ~( person @ X ) ) | ( knight @ X ) | ( knave @ X ))).
% 0.56/0.74 thf(zip_derived_cl0, plain,
% 0.56/0.74 (![X0 : $i]: (~ (person @ X0) | (knight @ X0) | (knave @ X0))),
% 0.56/0.74 inference('cnf', [status(esa)], [everyone_a_knight_or_knave])).
% 0.56/0.74 thf(husband_makes_statements, axiom,
% 0.56/0.74 (says @ husband @ ( statement_by @ husband ))).
% 0.56/0.74 thf(zip_derived_cl13, plain, ( (says @ husband @ (statement_by @ husband))),
% 0.56/0.74 inference('cnf', [status(esa)], [husband_makes_statements])).
% 0.56/0.74 thf(knaves_do_not_say_the_truth, axiom,
% 0.56/0.74 (( ~( knave @ X ) ) | ( ~( says @ X @ Y ) ) | ( ~( a_truth @ Y ) ))).
% 0.56/0.74 thf(zip_derived_cl9, plain,
% 0.56/0.74 (![X0 : $i, X1 : $i]:
% 0.56/0.74 (~ (knave @ X0) | ~ (says @ X0 @ X1) | ~ (a_truth @ X1))),
% 0.56/0.74 inference('cnf', [status(esa)], [knaves_do_not_say_the_truth])).
% 0.56/0.74 thf(zip_derived_cl89, plain,
% 0.56/0.74 ((~ (a_truth @ (statement_by @ husband)) | ~ (knave @ husband))),
% 0.56/0.74 inference('dp-resolution', [status(thm)],
% 0.56/0.74 [zip_derived_cl13, zip_derived_cl9])).
% 0.56/0.74 thf(zip_derived_cl91, plain,
% 0.56/0.74 (( (knight @ husband)
% 0.56/0.74 | ~ (person @ husband)
% 0.56/0.74 | ~ (a_truth @ (statement_by @ husband)))),
% 0.56/0.74 inference('dp-resolution', [status(thm)],
% 0.56/0.74 [zip_derived_cl0, zip_derived_cl89])).
% 0.56/0.74 thf(prove_knight_husband, conjecture, (knight @ husband)).
% 0.56/0.74 thf(zf_stmt_0, negated_conjecture, (~( knight @ husband )),
% 0.56/0.74 inference('cnf.neg', [status(esa)], [prove_knight_husband])).
% 0.56/0.74 thf(zip_derived_cl18, plain, (~ (knight @ husband)),
% 0.56/0.74 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.56/0.74 thf(husband, axiom, (person @ husband)).
% 0.56/0.74 thf(zip_derived_cl10, plain, ( (person @ husband)),
% 0.56/0.74 inference('cnf', [status(esa)], [husband])).
% 0.56/0.74 thf(zip_derived_cl146, plain, (~ (a_truth @ (statement_by @ husband))),
% 0.56/0.74 inference('demod', [status(thm)],
% 0.56/0.74 [zip_derived_cl91, zip_derived_cl18, zip_derived_cl10])).
% 0.56/0.74 thf(knight_wife_means_truthful_husband, axiom,
% 0.56/0.74 (( ~( knight @ wife ) ) | ( a_truth @ ( statement_by @ husband ) ))).
% 0.56/0.74 thf(zip_derived_cl17, plain,
% 0.56/0.74 ((~ (knight @ wife) | (a_truth @ (statement_by @ husband)))),
% 0.56/0.74 inference('cnf', [status(esa)], [knight_wife_means_truthful_husband])).
% 0.56/0.74 thf(knight_wife_or_truthful_husband, axiom,
% 0.56/0.74 (( a_truth @ ( statement_by @ husband ) ) | ( knight @ wife ))).
% 0.56/0.74 thf(zip_derived_cl16, plain,
% 0.56/0.74 (( (a_truth @ (statement_by @ husband)) | (knight @ wife))),
% 0.56/0.74 inference('cnf', [status(esa)], [knight_wife_or_truthful_husband])).
% 0.56/0.74 thf(knights_make_true_statements, axiom,
% 0.56/0.74 (( ~( person @ X ) ) | ( ~( a_truth @ ( statement_by @ X ) ) ) |
% 0.56/0.74 ( knight @ X ))).
% 0.56/0.74 thf(zip_derived_cl6, plain,
% 0.56/0.74 (![X0 : $i]:
% 0.56/0.74 (~ (person @ X0) | ~ (a_truth @ (statement_by @ X0)) | (knight @ X0))),
% 0.56/0.74 inference('cnf', [status(esa)], [knights_make_true_statements])).
% 0.56/0.74 thf(zip_derived_cl142, plain,
% 0.56/0.74 (( (knight @ wife) | ~ (person @ husband) | (knight @ husband))),
% 0.56/0.74 inference('s_sup-', [status(thm)], [zip_derived_cl16, zip_derived_cl6])).
% 0.56/0.74 thf(zip_derived_cl10, plain, ( (person @ husband)),
% 0.56/0.74 inference('cnf', [status(esa)], [husband])).
% 0.56/0.74 thf(zip_derived_cl18, plain, (~ (knight @ husband)),
% 0.56/0.74 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.56/0.74 thf(zip_derived_cl143, plain, ( (knight @ wife)),
% 0.56/0.74 inference('demod', [status(thm)],
% 0.56/0.74 [zip_derived_cl142, zip_derived_cl10, zip_derived_cl18])).
% 0.56/0.74 thf(zip_derived_cl147, plain, ( (a_truth @ (statement_by @ husband))),
% 0.56/0.74 inference('demod', [status(thm)], [zip_derived_cl17, zip_derived_cl143])).
% 0.56/0.74 thf(zip_derived_cl148, plain, ($false),
% 0.56/0.74 inference('demod', [status(thm)], [zip_derived_cl146, zip_derived_cl147])).
% 0.56/0.74
% 0.56/0.74 % SZS output end Refutation
% 0.56/0.74
% 0.56/0.74
% 0.56/0.74 % Terminating...
% 1.49/0.87 % Runner terminated.
% 1.49/0.88 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------