%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : PUZ035-2 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n018.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 02:01:39 PM UTC 2026
% Result : Unsatisfiable 0.15s 0.63s
% Output : CNFRefutation 0.15s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 5
% Syntax : Number of clauses : 17 ( 6 unt; 7 nHn; 17 RR)
% Number of literals : 34 ( 0 equ; 15 neg)
% Maximal clause size : 3 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 15 ( 12 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(everyone_a_knight_or_knave,axiom,
( ~ person(X1)
| isa(X1,knave)
| isa(X1,knight) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',everyone_a_knight_or_knave) ).
cnf(prove_answer,negated_conjecture,
( ~ isa(other,X3)
| ~ isa(asked,X2)
| ~ response(X1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_answer) ).
cnf(asked_person,axiom,
person(asked),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',asked_person) ).
cnf(other_person,axiom,
person(other),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',other_person) ).
cnf(two_answers,axiom,
( response(no)
| response(yes) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',two_answers) ).
cnf(c_0_5,plain,
( ~ person(X1)
| isa(X1,knave)
| isa(X1,knight) ),
inference(fof_simplification,[status(thm)],[everyone_a_knight_or_knave]) ).
cnf(c_0_6,negated_conjecture,
( ~ isa(other,X3)
| ~ isa(asked,X2)
| ~ response(X1) ),
inference(fof_simplification,[status(thm)],[prove_answer]) ).
cnf(c_0_7,plain,
( ~ person(X1)
| isa(X1,knave)
| isa(X1,knight) ),
c_0_5 ).
cnf(c_0_8,axiom,
person(asked),
asked_person ).
cnf(c_0_9,negated_conjecture,
( ~ isa(other,X3)
| ~ isa(asked,X2)
| ~ response(X1) ),
c_0_6 ).
cnf(c_0_10,plain,
( isa(asked,knave)
| isa(asked,knight) ),
inference(spm,[status(thm)],[c_0_7,c_0_8]) ).
cnf(c_0_11,axiom,
person(other),
other_person ).
cnf(c_0_12,negated_conjecture,
( ~ isa(other,X2)
| ~ response(X1) ),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_9,c_0_10]),c_0_9]) ).
cnf(c_0_13,plain,
( isa(other,knave)
| isa(other,knight) ),
inference(spm,[status(thm)],[c_0_7,c_0_11]) ).
cnf(c_0_14,axiom,
( response(no)
| response(yes) ),
two_answers ).
cnf(c_0_15,negated_conjecture,
~ response(X1),
inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_13]),c_0_12]) ).
cnf(c_0_16,plain,
$false,
inference(sr,[status(thm)],[inference(sr,[status(thm)],[c_0_14,c_0_15]),c_0_15]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ035-2 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.56 % Computer : n018.cluster.edu
% 0.12/0.56 % Model : x86_64 x86_64
% 0.12/0.56 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.56 % Memory : 8046.5625MB
% 0.12/0.56 % OS : Linux 6.8.0-71-generic
% 0.12/0.56 % CPULimit : 300
% 0.12/0.56 % WCLimit : 300
% 0.12/0.56 % DateTime : Mon Sep 21 03:48:43 UTC 2026
% 0.12/0.57 % CPUTime :
% 0.12/0.57 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.61 Running first-order theorem proving
% 0.12/0.61 Running: /export/starexec/sandbox/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --auto-schedule=8 --cpu-limit=300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.15/0.63 % Version: 3.5.1
% 0.15/0.63 % Preprocessing class: FSMSSMSSSSSNFFN.
% 0.15/0.63 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.15/0.63 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.15/0.63 % Starting new_bool_3 with 300s (1) cores
% 0.15/0.63 % Starting new_bool_1 with 300s (1) cores
% 0.15/0.63 % Starting sh5l with 300s (1) cores
% 0.15/0.63 % new_bool_3 with pid 900519 completed with status 0
% 0.15/0.63 % Result found by new_bool_3
% 0.15/0.63 % Preprocessing class: FSMSSMSSSSSNFFN.
% 0.15/0.63 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.15/0.63 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.15/0.63 % Starting new_bool_3 with 300s (1) cores
% 0.15/0.63 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.15/0.63 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.15/0.63 % Search class: FGHNF-FFSS00-SFFFFFNN
% 0.15/0.63 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.15/0.63 % Starting SubtermCWHack with 31s (1) cores
% 0.15/0.63 % SubtermCWHack with pid 900522 completed with status 0
% 0.15/0.63 % Result found by SubtermCWHack
% 0.15/0.63 % Preprocessing class: FSMSSMSSSSSNFFN.
% 0.15/0.63 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.15/0.63 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 1500s (5) cores
% 0.15/0.63 % Starting new_bool_3 with 300s (1) cores
% 0.15/0.63 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.15/0.63 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.15/0.63 % Search class: FGHNF-FFSS00-SFFFFFNN
% 0.15/0.63 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.15/0.63 % Starting SubtermCWHack with 31s (1) cores
% 0.15/0.63 % Preprocessing time : 0.001 s
% 0.15/0.63
% 0.15/0.63 % Proof found!
% 0.15/0.63 % SZS status Unsatisfiable
% 0.15/0.63 % SZS output start CNFRefutation
% See solution above
% 0.15/0.63 % Parsed axioms : 16
% 0.15/0.63 % Removed by relevancy pruning/SinE : 0
% 0.15/0.63 % Initial clauses : 16
% 0.15/0.63 % Removed in clause preprocessing : 0
% 0.15/0.63 % Initial clauses in saturation : 16
% 0.15/0.63 % Processed clauses : 26
% 0.15/0.63 % ...of these trivial : 0
% 0.15/0.63 % ...subsumed : 1
% 0.15/0.63 % ...remaining for further processing : 25
% 0.15/0.63 % Other redundant clauses eliminated : 0
% 0.15/0.63 % Clauses deleted for lack of memory : 0
% 0.15/0.63 % Backward-subsumed : 7
% 0.15/0.63 % Backward-rewritten : 0
% 0.15/0.63 % Generated clauses : 19
% 0.15/0.63 % ...of the previous two non-redundant : 13
% 0.15/0.63 % ...aggressively subsumed : 0
% 0.15/0.63 % Contextual simplify-reflections : 2
% 0.15/0.63 % Paramodulations : 18
% 0.15/0.63 % Factorizations : 0
% 0.15/0.63 % NegExts : 0
% 0.15/0.63 % Equation resolutions : 0
% 0.15/0.63 % Disequality decompositions : 0
% 0.15/0.63 % Total rewrite steps : 0
% 0.15/0.63 % ...of those cached : 0
% 0.15/0.63 % Propositional unsat checks : 0
% 0.15/0.63 % Propositional check models : 0
% 0.15/0.63 % Propositional check unsatisfiable : 0
% 0.15/0.63 % Propositional clauses : 0
% 0.15/0.63 % Propositional clauses after purity: 0
% 0.15/0.63 % Propositional unsat core size : 0
% 0.15/0.63 % Propositional preprocessing time : 0.000
% 0.15/0.63 % Propositional encoding time : 0.000
% 0.15/0.63 % Propositional solver time : 0.000
% 0.15/0.63 % Success case prop preproc time : 0.000
% 0.15/0.63 % Success case prop encoding time : 0.000
% 0.15/0.63 % Success case prop solver time : 0.000
% 0.15/0.63 % Current number of processed clauses : 17
% 0.15/0.63 % Positive orientable unit clauses : 2
% 0.15/0.63 % Positive unorientable unit clauses: 0
% 0.15/0.63 % Negative unit clauses : 1
% 0.15/0.63 % Non-unit-clauses : 14
% 0.15/0.63 % Current number of unprocessed clauses: 3
% 0.15/0.63 % ...number of literals in the above : 11
% 0.15/0.63 % Current number of archived formulas : 0
% 0.15/0.63 % Current number of archived clauses : 8
% 0.15/0.63 % Clause-clause subsumption calls (NU) : 78
% 0.15/0.63 % Rec. Clause-clause subsumption calls : 60
% 0.15/0.63 % Non-unit clause-clause subsumptions : 4
% 0.15/0.63 % Unit Clause-clause subsumption calls : 6
% 0.15/0.63 % Rewrite failures with RHS unbound : 0
% 0.15/0.63 % BW rewrite match attempts : 0
% 0.15/0.63 % BW rewrite match successes : 0
% 0.15/0.63 % Condensation attempts : 0
% 0.15/0.63 % Condensation successes : 0
% 0.15/0.63 % Termbank termtop insertions : 765
% 0.15/0.63 % Search garbage collected termcells : 37
% 0.15/0.63
% 0.15/0.63 % -------------------------------------------------
% 0.15/0.63 % User time : 0.003 s
% 0.15/0.63 % System time : 0.002 s
% 0.15/0.63 % Total time : 0.005 s
% 0.15/0.63 % Maximum resident set size: 3636 pages
% 0.15/0.63
% 0.15/0.63 % -------------------------------------------------
% 0.15/0.63 % User time : 0.003 s
% 0.15/0.63 % System time : 0.008 s
% 0.15/0.63 % Total time : 0.011 s
% 0.15/0.63 % Maximum resident set size: 4864 pages
% 0.15/0.63 % E exiting
%------------------------------------------------------------------------------