%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : COL055-1 : 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 : n015.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 12:09:26 PM UTC 2026
% Result : Unsatisfiable 0.23s 5.54s
% Output : CNFRefutation 0.23s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 2
% Syntax : Number of clauses : 7 ( 4 unt; 0 nHn; 7 RR)
% Number of literals : 10 ( 9 equ; 7 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 7 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(prove_happiness,negated_conjecture,
( response(a,X2) != X1
| response(a,X1) != X2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_happiness) ).
cnf(fond_bird_exists,hypothesis,
response(a,b) = b,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fond_bird_exists) ).
cnf(c_0_2,negated_conjecture,
( response(a,X2) != X1
| response(a,X1) != X2 ),
inference(fof_simplification,[status(thm)],[prove_happiness]) ).
cnf(c_0_3,negated_conjecture,
( response(a,X2) != X1
| response(a,X1) != X2 ),
c_0_2 ).
cnf(c_0_4,negated_conjecture,
response(a,response(a,X1)) != X1,
inference(er,[status(thm)],[c_0_3]) ).
cnf(c_0_5,hypothesis,
response(a,b) = b,
fond_bird_exists ).
cnf(c_0_6,hypothesis,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_4,c_0_5]),c_0_5])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : COL055-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.07 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.19/5.45 % Computer : n015.cluster.edu
% 0.19/5.45 % Model : x86_64 x86_64
% 0.19/5.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/5.45 % Memory : 8046.5625MB
% 0.19/5.45 % OS : Linux 6.8.0-71-generic
% 0.19/5.45 % CPULimit : 300
% 0.19/5.45 % WCLimit : 300
% 0.19/5.45 % DateTime : Mon Sep 21 14:10:11 UTC 2026
% 0.19/5.45 % CPUTime :
% 0.19/5.45 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.23/5.52 Running first-order theorem proving
% 0.23/5.52 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
% 0.23/5.54 % Version: 3.5.1
% 0.23/5.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/5.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/5.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/5.54 % Starting new_bool_3 with 300s (1) cores
% 0.23/5.54 % Starting new_bool_1 with 300s (1) cores
% 0.23/5.54 % Starting sh5l with 300s (1) cores
% 0.23/5.54 % new_bool_3 with pid 1656810 completed with status 0
% 0.23/5.54 % Result found by new_bool_3
% 0.23/5.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/5.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/5.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/5.54 % Starting new_bool_3 with 300s (1) cores
% 0.23/5.54 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.23/5.54 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.23/5.54 % Search class: FUHPF-FFSF22-SFFFFFNN
% 0.23/5.54 % partial match(1): FUHPF-FFSF22-MFFFFFNN
% 0.23/5.54 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.23/5.54 % Starting SubtermCWHack with 31s (1) cores
% 0.23/5.54 % SubtermCWHack with pid 1656816 completed with status 0
% 0.23/5.54 % Result found by SubtermCWHack
% 0.23/5.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.23/5.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.23/5.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.23/5.54 % Starting new_bool_3 with 300s (1) cores
% 0.23/5.54 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = GSinE(CountFormulas,hypos,1.5,,3,20000,1.0))
% 0.23/5.54 % SinE strategy is GSinE(CountFormulas,hypos,1.5,,3,20000,1.0)
% 0.23/5.54 % Search class: FUHPF-FFSF22-SFFFFFNN
% 0.23/5.54 % partial match(1): FUHPF-FFSF22-MFFFFFNN
% 0.23/5.54 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.23/5.54 % Starting SubtermCWHack with 31s (1) cores
% 0.23/5.54 % Preprocessing time : 0.001 s
% 0.23/5.54
% 0.23/5.54 % Proof found!
% 0.23/5.54 % SZS status Unsatisfiable
% 0.23/5.54 % SZS output start CNFRefutation
% See solution above
% 0.23/5.54 % Parsed axioms : 2
% 0.23/5.54 % Removed by relevancy pruning/SinE : 0
% 0.23/5.54 % Initial clauses : 2
% 0.23/5.54 % Removed in clause preprocessing : 0
% 0.23/5.54 % Initial clauses in saturation : 2
% 0.23/5.54 % Processed clauses : 3
% 0.23/5.54 % ...of these trivial : 0
% 0.23/5.54 % ...subsumed : 0
% 0.23/5.54 % ...remaining for further processing : 3
% 0.23/5.54 % Other redundant clauses eliminated : 1
% 0.23/5.54 % Clauses deleted for lack of memory : 0
% 0.23/5.54 % Backward-subsumed : 0
% 0.23/5.54 % Backward-rewritten : 0
% 0.23/5.54 % Generated clauses : 2
% 0.23/5.54 % ...of the previous two non-redundant : 1
% 0.23/5.54 % ...aggressively subsumed : 0
% 0.23/5.54 % Contextual simplify-reflections : 0
% 0.23/5.54 % Paramodulations : 1
% 0.23/5.54 % Factorizations : 0
% 0.23/5.54 % NegExts : 0
% 0.23/5.54 % Equation resolutions : 1
% 0.23/5.54 % Disequality decompositions : 0
% 0.23/5.54 % Total rewrite steps : 1
% 0.23/5.54 % ...of those cached : 0
% 0.23/5.54 % Propositional unsat checks : 0
% 0.23/5.54 % Propositional check models : 0
% 0.23/5.54 % Propositional check unsatisfiable : 0
% 0.23/5.54 % Propositional clauses : 0
% 0.23/5.54 % Propositional clauses after purity: 0
% 0.23/5.54 % Propositional unsat core size : 0
% 0.23/5.54 % Propositional preprocessing time : 0.000
% 0.23/5.54 % Propositional encoding time : 0.000
% 0.23/5.54 % Propositional solver time : 0.000
% 0.23/5.54 % Success case prop preproc time : 0.000
% 0.23/5.54 % Success case prop encoding time : 0.000
% 0.23/5.54 % Success case prop solver time : 0.000
% 0.23/5.54 % Current number of processed clauses : 2
% 0.23/5.54 % Positive orientable unit clauses : 1
% 0.23/5.54 % Positive unorientable unit clauses: 0
% 0.23/5.54 % Negative unit clauses : 1
% 0.23/5.54 % Non-unit-clauses : 0
% 0.23/5.54 % Current number of unprocessed clauses: 0
% 0.23/5.54 % ...number of literals in the above : 0
% 0.23/5.54 % Current number of archived formulas : 0
% 0.23/5.54 % Current number of archived clauses : 0
% 0.23/5.54 % Clause-clause subsumption calls (NU) : 0
% 0.23/5.54 % Rec. Clause-clause subsumption calls : 0
% 0.23/5.54 % Non-unit clause-clause subsumptions : 0
% 0.23/5.54 % Unit Clause-clause subsumption calls : 0
% 0.23/5.54 % Rewrite failures with RHS unbound : 0
% 0.23/5.54 % BW rewrite match attempts : 0
% 0.23/5.54 % BW rewrite match successes : 0
% 0.23/5.54 % Condensation attempts : 0
% 0.23/5.54 % Condensation successes : 0
% 0.23/5.54 % Termbank termtop insertions : 49
% 0.23/5.54 % Search garbage collected termcells : 5
% 0.23/5.54
% 0.23/5.54 % -------------------------------------------------
% 0.23/5.54 % User time : 0.002 s
% 0.23/5.54 % System time : 0.002 s
% 0.23/5.54 % Total time : 0.004 s
% 0.23/5.54 % Maximum resident set size: 3624 pages
% 0.23/5.54
% 0.23/5.54 % -------------------------------------------------
% 0.23/5.54 % User time : 0.005 s
% 0.23/5.54 % System time : 0.006 s
% 0.23/5.54 % Total time : 0.012 s
% 0.23/5.54 % Maximum resident set size: 4864 pages
% 0.23/5.54 % E exiting
%------------------------------------------------------------------------------