%------------------------------------------------------------------------------
% File : hopCoP---0.1
% Problem : PUZ020-1 : TPTP v9.0.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n029.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 : Fri Jul 25 01:24:27 PM UTC 2025
% Result : Unsatisfiable 0.07s 0.26s
% Output : CNFRefutation 0.07s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named prove_knight_husband)
% Comments :
%------------------------------------------------------------------------------
cnf(17,plain,
~ knight(husband),
inference(cnf,[status(esa)],[prove_knight_husband]) ).
cnf(l0,plain,
~ knight(husband),
inference(instantiation,[status(thm)],[17]) ).
cnf(5,plain,
( ~ person(X0)
| ~ a_truth(statement_by(X0))
| knight(X0) ),
inference(cnf,[status(esa)],[knights_make_true_statements]) ).
cnf(l1,plain,
( ~ person(husband)
| ~ a_truth(statement_by(husband))
| knight(husband) ),
inference(instantiation,[status(thm)],[5]) ).
cnf(9,plain,
person(husband),
inference(cnf,[status(esa)],[husband]) ).
cnf(l2,plain,
person(husband),
inference(instantiation,[status(thm)],[9]) ).
cnf(15,plain,
( knight(wife)
| a_truth(statement_by(husband)) ),
inference(cnf,[status(esa)],[knight_wife_or_truthful_husband]) ).
cnf(l3,plain,
( knight(wife)
| a_truth(statement_by(husband)) ),
inference(instantiation,[status(thm)],[15]) ).
cnf(16,plain,
( ~ knight(wife)
| a_truth(statement_by(husband)) ),
inference(cnf,[status(esa)],[knight_wife_means_truthful_husband]) ).
cnf(l4,plain,
( ~ knight(wife)
| a_truth(statement_by(husband)) ),
inference(instantiation,[status(thm)],[16]) ).
cnf(final,plain,
$false,
inference(ground_refutation,[status(thm)],[l0,l1,l2,l3,l4]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07 % Problem : PUZ020-1 : TPTP v9.0.0. Released v1.0.0.
% 0.00/0.07 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.07/0.26 % Computer : n029.cluster.edu
% 0.07/0.26 % Model : x86_64 x86_64
% 0.07/0.26 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26 % Memory : 8042.1875MB
% 0.07/0.26 % OS : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26 % CPULimit : 300
% 0.07/0.26 % WCLimit : 300
% 0.07/0.26 % DateTime : Mon Jul 21 15:50:03 EDT 2025
% 0.07/0.26 % CPUTime :
% 0.07/0.26 % launching worker at depth: 1
% 0.07/0.26 % launching worker at depth: 3
% 0.07/0.26 % launching worker at depth: 2
% 0.07/0.26 % launching worker at depth: 4
% 0.07/0.26 % launching worker at depth: 5
% 0.07/0.26 % launching worker at depth: 6
% 0.07/0.26 % launching worker at depth: 7
% 0.07/0.26 % launching worker at depth: 8
% 0.07/0.26 % launching worker at depth: 9
% 0.07/0.26 % SZS status Theorem for theBenchmark
% 0.07/0.26 % SZS output start CNFRefutation
% See solution above
%------------------------------------------------------------------------------