%------------------------------------------------------------------------------
% File : hopCoP---0.1
% Problem : LCL076-2 : TPTP v9.3.1. 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 : 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 : Mon Sep 7 12:13:07 PM UTC 2026
% Result : Unsatisfiable 0.16s 0.36s
% Output : CNFRefutation 0.16s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named prove_cn_40ERROR: Could not build tree for root finalERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(5,plain,
~ is_a_theorem(implies(a,not(not(a)))),
inference(cnf,[status(esa)],[prove_cn_40]) ).
cnf(l0,plain,
~ is_a_theorem(implies(a,not(not(a)))),
inference(instantiation,[status(thm)],[5]) ).
cnf(0,plain,
( ~ is_a_theorem(X0)
| ~ is_a_theorem(implies(X0,X1))
| is_a_theorem(X1) ),
inference(cnf,[status(esa)],[condensed_detachment]) ).
cnf(l1,plain,
( ~ is_a_theorem(implies(not(not(not(a))),not(a)))
| ~ is_a_theorem(implies(implies(not(not(not(a))),not(a)),implies(a,not(not(a)))))
| is_a_theorem(implies(a,not(not(a)))) ),
inference(instantiation,[status(thm)],[0]) ).
cnf(4,plain,
is_a_theorem(implies(not(not(X0)),X0)),
inference(cnf,[status(esa)],[extra_lemma]) ).
cnf(l2,plain,
is_a_theorem(implies(not(not(not(a))),not(a))),
inference(instantiation,[status(thm)],[4]) ).
cnf(3,plain,
is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0))),
inference(cnf,[status(esa)],[cn_49]) ).
cnf(l3,plain,
is_a_theorem(implies(implies(not(not(not(a))),not(a)),implies(a,not(not(a))))),
inference(instantiation,[status(thm)],[3]) ).
cnf(final,plain,
$false,
inference(ground_refutation,[status(thm)],[l0,l1,l2,l3]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL076-2 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : /export/starexec/sandbox/solver/bin/execute.py 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.35 % Computer : n009.cluster.edu
% 0.11/0.35 % Model : x86_64 x86_64
% 0.11/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.35 % Memory : 8046.5625MB
% 0.11/0.35 % OS : Linux 6.8.0-71-generic
% 0.11/0.35 % CPULimit : 300
% 0.11/0.35 % WCLimit : 300
% 0.11/0.36 % DateTime : Fri Sep 4 19:42:21 UTC 2026
% 0.11/0.36 % CPUTime :
% 0.11/0.36 % launching worker at depth: 1
% 0.11/0.36 % launching worker at depth: 6
% 0.11/0.36 % launching worker at depth: 4
% 0.11/0.36 % launching worker at depth: 3
% 0.11/0.36 % launching worker at depth: 5
% 0.11/0.36 % launching worker at depth: 7
% 0.11/0.36 % launching worker at depth: 2
% 0.11/0.36 % launching worker at depth: 8
% 0.11/0.36 % launching worker at depth: 9
% 0.16/0.36 % SZS status Theorem for theBenchmark
% 0.16/0.36 % SZS output start CNFRefutation
% See solution above
%------------------------------------------------------------------------------