%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : PUZ035-7 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n009.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 08:54:22 AM UTC 2026
% Result : Unsatisfiable 0.55s 0.84s
% Output : Proof 0.55s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(everyone_a_knight_or_knave,axiom,
( truth(isa(P,knave))
| truth(isa(P,knight)) ),
file('theBenchmark.p',everyone_a_knight_or_knave) ).
cnf(not_both_a_knight_and_knave,axiom,
( ~ truth(isa(P,knave))
| ~ truth(isa(P,knight)) ),
file('theBenchmark.p',not_both_a_knight_and_knave) ).
cnf(knights_make_true_statements1,axiom,
( ~ reply(P,Q,yes)
| ~ truth(isa(P,knight))
| truth(Q) ),
file('theBenchmark.p',knights_make_true_statements1) ).
cnf(knights_make_true_statements2,axiom,
( ~ reply(P,Q,yes)
| truth(isa(P,knight))
| ~ truth(Q) ),
file('theBenchmark.p',knights_make_true_statements2) ).
cnf(knights_make_true_statements3,axiom,
( reply(P,Q,yes)
| ~ truth(isa(P,knight))
| ~ truth(Q) ),
file('theBenchmark.p',knights_make_true_statements3) ).
cnf(knights_make_true_statements4,axiom,
( reply(P,Q,yes)
| truth(isa(P,knight))
| truth(Q) ),
file('theBenchmark.p',knights_make_true_statements4) ).
cnf(yes_or_no,axiom,
( reply(P,Q,no)
| reply(P,Q,yes) ),
file('theBenchmark.p',yes_or_no) ).
cnf(not_yes_and_no,axiom,
( ~ reply(P,Q,no)
| ~ reply(P,Q,yes) ),
file('theBenchmark.p',not_yes_and_no) ).
cnf(true1,axiom,
( truth(not(C))
| truth(C) ),
file('theBenchmark.p',true1) ).
cnf(true2,axiom,
( ~ truth(not(C))
| ~ truth(C) ),
file('theBenchmark.p',true2) ).
cnf(or1,axiom,
( ~ truth(or(A,B))
| truth(B)
| truth(A) ),
file('theBenchmark.p',or1) ).
cnf(or2,axiom,
( ~ truth(A)
| truth(or(A,B)) ),
file('theBenchmark.p',or2) ).
cnf(or3,axiom,
( ~ truth(B)
| truth(or(A,B)) ),
file('theBenchmark.p',or3) ).
cnf(prove_answer,negated_conjecture,
( ~ truth(isa(other,Y))
| ~ truth(isa(asked,X))
| ~ reply(asked,or(isa(asked,knight),isa(other,knight)),R) ),
file('theBenchmark.p',prove_answer) ).
cnf(sat_proved,plain,
$false,
inference(cadical,[status(thm)],[]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ035-7 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.03 This is a CNF_UNS_RFO_NEQ_NHN problem
% 0.00/0.04 % Command : /export/starexec/sandbox2/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.35 % Computer : n009.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Sat Sep 19 19:57:42 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.55/0.84 % SZS status Unsatisfiable for theBenchmark
% 0.55/0.84 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------