%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : PUZ009-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n017.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 02:01:21 PM UTC 2026
% Result : Unsatisfiable 0.11s 0.42s
% Output : CNFRefutation 0.11s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 7
% Syntax : Number of clauses : 24 ( 7 unt; 5 nHn; 24 RR)
% Number of literals : 46 ( 0 equ; 23 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 0 ( 0 avg)
% Number of predicates : 6 ( 5 usr; 6 prp; 0-0 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(c1,axiom,
( ~ b_is_a_knight
| ~ a_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c1) ).
cnf(c18,negated_conjecture,
b_is_a_knight,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c18) ).
cnf(c17,axiom,
( ~ c_is_a_knight
| a_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c17) ).
cnf(c13,axiom,
( c_is_a_knight
| a_is_a_knight
| d_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c13) ).
cnf(c6,axiom,
( ~ d_is_a_knight
| ~ c_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c6) ).
cnf(c10,axiom,
( ~ d_is_a_knight
| ~ e_is_a_knight
| c_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c10) ).
cnf(c16,axiom,
( e_is_a_knight
| a_is_a_knight ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',c16) ).
cnf(c_0_7,plain,
( ~ b_is_a_knight
| ~ a_is_a_knight ),
inference(fof_simplification,[status(thm)],[c1]) ).
cnf(c_0_8,plain,
( ~ b_is_a_knight
| ~ a_is_a_knight ),
c_0_7 ).
cnf(c_0_9,negated_conjecture,
b_is_a_knight,
c18 ).
cnf(c_0_10,plain,
( ~ c_is_a_knight
| a_is_a_knight ),
inference(fof_simplification,[status(thm)],[c17]) ).
cnf(c_0_11,axiom,
( c_is_a_knight
| a_is_a_knight
| d_is_a_knight ),
c13 ).
cnf(c_0_12,plain,
~ a_is_a_knight,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_8,c_0_9])]) ).
cnf(c_0_13,plain,
( ~ d_is_a_knight
| ~ c_is_a_knight ),
inference(fof_simplification,[status(thm)],[c6]) ).
cnf(c_0_14,plain,
( ~ c_is_a_knight
| a_is_a_knight ),
c_0_10 ).
cnf(c_0_15,plain,
( d_is_a_knight
| c_is_a_knight ),
inference(sr,[status(thm)],[c_0_11,c_0_12]) ).
cnf(c_0_16,plain,
( ~ d_is_a_knight
| ~ e_is_a_knight
| c_is_a_knight ),
inference(fof_simplification,[status(thm)],[c10]) ).
cnf(c_0_17,axiom,
( e_is_a_knight
| a_is_a_knight ),
c16 ).
cnf(c_0_18,plain,
( ~ d_is_a_knight
| ~ c_is_a_knight ),
c_0_13 ).
cnf(c_0_19,plain,
d_is_a_knight,
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_12]) ).
cnf(c_0_20,plain,
( ~ d_is_a_knight
| ~ e_is_a_knight
| c_is_a_knight ),
c_0_16 ).
cnf(c_0_21,plain,
e_is_a_knight,
inference(sr,[status(thm)],[c_0_17,c_0_12]) ).
cnf(c_0_22,plain,
~ c_is_a_knight,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_18,c_0_19])]) ).
cnf(c_0_23,plain,
$false,
inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_20,c_0_19]),c_0_21])]),c_0_22]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ009-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.36 % Computer : n017.cluster.edu
% 0.11/0.36 % Model : x86_64 x86_64
% 0.11/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36 % Memory : 8046.5625MB
% 0.11/0.36 % OS : Linux 6.8.0-71-generic
% 0.11/0.36 % CPULimit : 300
% 0.11/0.36 % WCLimit : 300
% 0.11/0.36 % DateTime : Mon Sep 21 03:40:12 UTC 2026
% 0.11/0.36 % CPUTime :
% 0.11/0.36 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.11/0.41 Running first-order theorem proving
% 0.11/0.41 Running: /export/starexec/sandbox2/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/sandbox2/benchmark/theBenchmark.p
% 0.11/0.42 % Version: 3.5.1
% 0.11/0.42 % Preprocessing class: FSMSSLSSSSSNFFN.
% 0.11/0.42 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.11/0.42 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AI with 1500s (5) cores
% 0.11/0.42 % Starting new_bool_3 with 300s (1) cores
% 0.11/0.42 % Starting new_bool_1 with 300s (1) cores
% 0.11/0.42 % Starting sh5l with 300s (1) cores
% 0.11/0.42 % sh5l with pid 1347859 completed with status 0
% 0.11/0.42 % Result found by sh5l
% 0.11/0.42 % Preprocessing class: FSMSSLSSSSSNFFN.
% 0.11/0.42 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.11/0.42 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AI with 1500s (5) cores
% 0.11/0.42 % Starting new_bool_3 with 300s (1) cores
% 0.11/0.42 % Starting new_bool_1 with 300s (1) cores
% 0.11/0.42 % Starting sh5l with 300s (1) cores
% 0.11/0.42 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.11/0.42 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.11/0.42 % Search class: FGHNF-FFSS00-SFFFFFNN
% 0.11/0.42 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.11/0.42 % Starting SubtermCWHack with 31s (1) cores
% 0.11/0.42 % SubtermCWHack with pid 1347866 completed with status 0
% 0.11/0.42 % Result found by SubtermCWHack
% 0.11/0.42 % Preprocessing class: FSMSSLSSSSSNFFN.
% 0.11/0.42 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.11/0.42 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S5PRR_RG_S04AI with 1500s (5) cores
% 0.11/0.42 % Starting new_bool_3 with 300s (1) cores
% 0.11/0.42 % Starting new_bool_1 with 300s (1) cores
% 0.11/0.42 % Starting sh5l with 300s (1) cores
% 0.11/0.42 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.11/0.42 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.11/0.42 % Search class: FGHNF-FFSS00-SFFFFFNN
% 0.11/0.42 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.11/0.42 % Starting SubtermCWHack with 31s (1) cores
% 0.11/0.42 % Preprocessing time : 0.001 s
% 0.11/0.42
% 0.11/0.42 % Proof found!
% 0.11/0.42 % SZS status Unsatisfiable
% 0.11/0.42 % SZS output start CNFRefutation
% See solution above
% 0.11/0.43 % Parsed axioms : 18
% 0.11/0.43 % Removed by relevancy pruning/SinE : 0
% 0.11/0.43 % Initial clauses : 18
% 0.11/0.43 % Removed in clause preprocessing : 0
% 0.11/0.43 % Initial clauses in saturation : 18
% 0.11/0.43 % Processed clauses : 20
% 0.11/0.43 % ...of these trivial : 4
% 0.11/0.43 % ...subsumed : 5
% 0.11/0.43 % ...remaining for further processing : 10
% 0.11/0.43 % Other redundant clauses eliminated : 0
% 0.11/0.43 % Clauses deleted for lack of memory : 0
% 0.11/0.43 % Backward-subsumed : 3
% 0.11/0.43 % Backward-rewritten : 1
% 0.11/0.43 % Generated clauses : 2
% 0.11/0.43 % ...of the previous two non-redundant : 2
% 0.11/0.43 % ...aggressively subsumed : 0
% 0.11/0.43 % Contextual simplify-reflections : 0
% 0.11/0.43 % Paramodulations : 1
% 0.11/0.43 % Factorizations : 0
% 0.11/0.43 % NegExts : 0
% 0.11/0.43 % Equation resolutions : 0
% 0.11/0.43 % Disequality decompositions : 0
% 0.11/0.43 % Total rewrite steps : 16
% 0.11/0.43 % ...of those cached : 13
% 0.11/0.43 % Propositional unsat checks : 0
% 0.11/0.43 % Propositional check models : 0
% 0.11/0.43 % Propositional check unsatisfiable : 0
% 0.11/0.43 % Propositional clauses : 0
% 0.11/0.43 % Propositional clauses after purity: 0
% 0.11/0.43 % Propositional unsat core size : 0
% 0.11/0.43 % Propositional preprocessing time : 0.000
% 0.11/0.43 % Propositional encoding time : 0.000
% 0.11/0.43 % Propositional solver time : 0.000
% 0.11/0.43 % Success case prop preproc time : 0.000
% 0.11/0.43 % Success case prop encoding time : 0.000
% 0.11/0.43 % Success case prop solver time : 0.000
% 0.11/0.43 % Current number of processed clauses : 5
% 0.11/0.43 % Positive orientable unit clauses : 3
% 0.11/0.43 % Positive unorientable unit clauses: 0
% 0.11/0.43 % Negative unit clauses : 2
% 0.11/0.43 % Non-unit-clauses : 0
% 0.11/0.43 % Current number of unprocessed clauses: 0
% 0.11/0.43 % ...number of literals in the above : 0
% 0.11/0.43 % Current number of archived formulas : 0
% 0.11/0.43 % Current number of archived clauses : 5
% 0.11/0.43 % Clause-clause subsumption calls (NU) : 0
% 0.11/0.43 % Rec. Clause-clause subsumption calls : 0
% 0.11/0.43 % Non-unit clause-clause subsumptions : 0
% 0.11/0.43 % Unit Clause-clause subsumption calls : 3
% 0.11/0.43 % Rewrite failures with RHS unbound : 0
% 0.11/0.43 % BW rewrite match attempts : 2
% 0.11/0.43 % BW rewrite match successes : 2
% 0.11/0.43 % Condensation attempts : 0
% 0.11/0.43 % Condensation successes : 0
% 0.11/0.43 % Termbank termtop insertions : 365
% 0.11/0.43 % Search garbage collected termcells : 20
% 0.11/0.43
% 0.11/0.43 % -------------------------------------------------
% 0.11/0.43 % User time : 0.004 s
% 0.11/0.43 % System time : 0.000 s
% 0.11/0.43 % Total time : 0.004 s
% 0.11/0.43 % Maximum resident set size: 3576 pages
% 0.11/0.43
% 0.11/0.43 % -------------------------------------------------
% 0.11/0.43 % User time : 0.005 s
% 0.11/0.43 % System time : 0.005 s
% 0.11/0.43 % Total time : 0.010 s
% 0.11/0.43 % Maximum resident set size: 4608 pages
% 0.11/0.43 % E exiting
%------------------------------------------------------------------------------