%------------------------------------------------------------------------------
% File : hopCoP---0.1
% Problem : PUZ008-1 : 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 : n020.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 01:24:24 PM UTC 2025
% Result : Unsatisfiable 0.13s 0.35s
% Output : CNFRefutation 0.13s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named prove_can_get_to_east_bank)
% Comments :
%------------------------------------------------------------------------------
cnf(15,plain,
~ achievable(west(m(n0),c(n0)),X0,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
inference(cnf,[status(esa)],[prove_can_get_to_east_bank]) ).
cnf(l0,plain,
~ achievable(west(m(n0),c(n0)),boatoneast,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
inference(instantiation,[status(thm)],[15]) ).
cnf(4,plain,
( ~ achievable(west(m(s(X0)),c(X1)),boatonwest,east(m(X2),c(X3)))
| achievable(west(m(X0),c(X1)),boatoneast,east(m(s(X2)),c(X3))) ),
inference(cnf,[status(esa)],[missionary_west_to_east]) ).
cnf(l1,plain,
( ~ achievable(west(m(s(n0)),c(n0)),boatonwest,east(m(s(s(n0))),c(s(s(s(n0))))))
| achievable(west(m(n0),c(n0)),boatoneast,east(m(s(s(s(n0)))),c(s(s(s(n0)))))) ),
inference(instantiation,[status(thm)],[4]) ).
cnf(12,plain,
achievable(west(X0,X1),X2,east(m(s(X3)),c(s(s(X3))))),
inference(cnf,[status(esa)],[extra_cannibal_meal_on_east_bank]) ).
cnf(l2,plain,
achievable(west(m(s(n0)),c(n0)),boatonwest,east(m(s(s(n0))),c(s(s(s(n0)))))),
inference(instantiation,[status(thm)],[12]) ).
cnf(final,plain,
$false,
inference(ground_refutation,[status(thm)],[l0,l1,l2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13 % Problem : PUZ008-1 : TPTP v9.0.0. Released v1.0.0.
% 0.03/0.13 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35 % Computer : n020.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 300
% 0.13/0.35 % DateTime : Mon Jul 21 15:47:49 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % launching worker at depth: 6
% 0.13/0.35 % launching worker at depth: 2
% 0.13/0.35 % launching worker at depth: 4
% 0.13/0.35 % launching worker at depth: 5
% 0.13/0.35 % launching worker at depth: 1
% 0.13/0.35 % launching worker at depth: 3
% 0.13/0.35 % launching worker at depth: 7
% 0.13/0.35 % launching worker at depth: 8
% 0.13/0.35 % launching worker at depth: 9
% 0.13/0.35 % SZS status Theorem for theBenchmark
% 0.13/0.35 % SZS output start CNFRefutation
% See solution above
%------------------------------------------------------------------------------