%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ004-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n015.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 08:54:16 AM UTC 2026
% Result : Unsatisfiable 0.08s 0.38s
% Output : Proof 0.08s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(dated_on_blue_paper,axiom,
( on_blue_paper
| ~ dated ),
file('theBenchmark.p',dated_on_blue_paper) ).
cnf(third_person_in_black_ink,axiom,
( in_black_ink
| ~ in_third_person ),
file('theBenchmark.p',third_person_in_black_ink) ).
cnf(black_ink_in_third_person,axiom,
( ~ in_black_ink
| in_third_person ),
file('theBenchmark.p',black_ink_in_third_person) ).
cnf(not_filed_if_read,axiom,
( ~ filed
| ~ can_be_read ),
file('theBenchmark.p',not_filed_if_read) ).
cnf(dated_if_on_one_sheet,axiom,
( dated
| ~ on_one_sheet ),
file('theBenchmark.p',dated_if_on_one_sheet) ).
cnf(not_crossed_in_black_ink,axiom,
( in_black_ink
| crossed ),
file('theBenchmark.p',not_crossed_in_black_ink) ).
cnf(brown_starts_with_sir,axiom,
( begins_with_dear_sir
| ~ by_brown ),
file('theBenchmark.p',brown_starts_with_sir) ).
cnf(filed_if_on_blue_paper,axiom,
( filed
| ~ on_blue_paper ),
file('theBenchmark.p',filed_if_on_blue_paper) ).
cnf(on_one_sheet_if_crossed,axiom,
( ~ crossed
| on_one_sheet ),
file('theBenchmark.p',on_one_sheet_if_crossed) ).
cnf(no_dear_sirs_in_third_person,axiom,
( ~ in_third_person
| ~ begins_with_dear_sir ),
file('theBenchmark.p',no_dear_sirs_in_third_person) ).
cnf(letter_by_brown,hypothesis,
by_brown,
file('theBenchmark.p',letter_by_brown) ).
cnf(prove_it_cannot_be_read,negated_conjecture,
can_be_read,
file('theBenchmark.p',prove_it_cannot_be_read) ).
cnf(sat_proved,plain,
$false,
inference(cadical,[status(thm)],[]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ004-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.03 This is a CNF_UNS_PRP problem
% 0.00/0.03 % Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.36 % Computer : n015.cluster.edu
% 0.08/0.36 % Model : x86_64 x86_64
% 0.08/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.36 % Memory : 8046.5625MB
% 0.08/0.36 % OS : Linux 6.8.0-71-generic
% 0.08/0.36 % CPULimit : 300
% 0.08/0.36 % WCLimit : 300
% 0.08/0.36 % DateTime : Sat Sep 19 19:57:49 UTC 2026
% 0.08/0.36 % CPUTime :
% 0.08/0.38 % SZS status Unsatisfiable for theBenchmark
% 0.08/0.38 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------