TSTP Solution File: PUZ008-1 by iProver---3.8
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : iProver---3.8
% Problem : PUZ008-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover %s %d THM
% 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 : Thu Aug 31 13:19:26 EDT 2023
% Result : Unsatisfiable 1.67s 1.15s
% Output : CNFRefutation 1.67s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 3
% Syntax : Number of clauses : 9 ( 6 unt; 0 nHn; 7 RR)
% Number of literals : 12 ( 0 equ; 5 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 6 ( 2 avg)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-3 aty)
% Number of functors : 8 ( 8 usr; 3 con; 0-2 aty)
% Number of variables : 15 ( 6 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c_53,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))) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',missionary_west_to_east) ).
cnf(c_61,plain,
achievable(west(X0,X1),X2,east(m(s(X3)),c(s(s(X3))))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',extra_cannibal_meal_on_east_bank) ).
cnf(c_64,negated_conjecture,
~ achievable(west(m(n0),c(n0)),X0,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_can_get_to_east_bank) ).
cnf(c_240,plain,
( ~ achievable(west(m(s(X0)),c(X1)),boatonwest,east(m(s(X2)),c(s(s(X2)))))
| achievable(west(m(X0),c(X1)),boatoneast,east(m(s(s(X2))),c(s(s(X2))))) ),
inference(instantiation,[status(thm)],[c_53]) ).
cnf(c_241,plain,
achievable(west(m(s(X0)),c(X1)),boatonwest,east(m(s(X2)),c(s(s(X2))))),
inference(instantiation,[status(thm)],[c_61]) ).
cnf(c_576,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)],[c_240]) ).
cnf(c_577,plain,
~ achievable(west(m(n0),c(n0)),boatoneast,east(m(s(s(s(n0)))),c(s(s(s(n0)))))),
inference(instantiation,[status(thm)],[c_64]) ).
cnf(c_630,plain,
achievable(west(m(s(n0)),c(n0)),boatonwest,east(m(s(s(n0))),c(s(s(s(n0)))))),
inference(instantiation,[status(thm)],[c_241]) ).
cnf(c_631,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_630,c_577,c_576]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PUZ008-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.13 % Command : run_iprover %s %d THM
% 0.13/0.34 % Computer : n020.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 : Sat Aug 26 22:45:29 EDT 2023
% 0.13/0.34 % CPUTime :
% 0.19/0.46 Running first-order theorem proving
% 0.19/0.46 Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 1.67/1.15 % SZS status Started for theBenchmark.p
% 1.67/1.15 % SZS status Unsatisfiable for theBenchmark.p
% 1.67/1.15
% 1.67/1.15 %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.67/1.15
% 1.67/1.15 ------ iProver source info
% 1.67/1.15
% 1.67/1.15 git: date: 2023-05-31 18:12:56 +0000
% 1.67/1.15 git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.67/1.15 git: non_committed_changes: false
% 1.67/1.15 git: last_make_outside_of_git: false
% 1.67/1.15
% 1.67/1.15 ------ Parsing...successful
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15 ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e
% 1.67/1.15
% 1.67/1.15 ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 1.67/1.15 ------ Proving...
% 1.67/1.15 ------ Problem Properties
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15 clauses 16
% 1.67/1.15 conjectures 1
% 1.67/1.15 EPR 0
% 1.67/1.15 Horn 16
% 1.67/1.15 unary 6
% 1.67/1.15 binary 10
% 1.67/1.15 lits 26
% 1.67/1.15 lits eq 0
% 1.67/1.15 fd_pure 0
% 1.67/1.15 fd_pseudo 0
% 1.67/1.15 fd_cond 0
% 1.67/1.15 fd_pseudo_cond 0
% 1.67/1.15 AC symbols 0
% 1.67/1.15
% 1.67/1.15 ------ Schedule dynamic 5 is on
% 1.67/1.15
% 1.67/1.15 ------ no equalities: superposition off
% 1.67/1.15
% 1.67/1.15 ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15 ------
% 1.67/1.15 Current options:
% 1.67/1.15 ------
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15 ------ Proving...
% 1.67/1.15
% 1.67/1.15
% 1.67/1.15 % SZS status Unsatisfiable for theBenchmark.p
% 1.67/1.15
% 1.67/1.15 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.67/1.15
% 1.67/1.15
%------------------------------------------------------------------------------