%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : BOO004-4 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% Computer : n002.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 12:06:54 PM UTC 2026
% Result : Unsatisfiable 0.17s 0.53s
% Output : CNFRefutation 0.17s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 6
% Syntax : Number of clauses : 16 ( 16 unt; 0 nHn; 4 RR)
% Number of literals : 16 ( 15 equ; 3 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 17 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(distributivity1,axiom,
add(X1,multiply(X2,X3)) = multiply(add(X1,X2),add(X1,X3)),
file('/export/starexec/sandbox2/benchmark/Axioms/BOO004-0.ax',distributivity1) ).
cnf(additive_inverse1,axiom,
add(X1,inverse(X1)) = multiplicative_identity,
file('/export/starexec/sandbox2/benchmark/Axioms/BOO004-0.ax',additive_inverse1) ).
cnf(multiplicative_id1,axiom,
multiply(X1,multiplicative_identity) = X1,
file('/export/starexec/sandbox2/benchmark/Axioms/BOO004-0.ax',multiplicative_id1) ).
cnf(prove_a_plus_a_is_a,negated_conjecture,
add(a,a) != a,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_plus_a_is_a) ).
cnf(multiplicative_inverse1,axiom,
multiply(X1,inverse(X1)) = additive_identity,
file('/export/starexec/sandbox2/benchmark/Axioms/BOO004-0.ax',multiplicative_inverse1) ).
cnf(additive_id1,axiom,
add(X1,additive_identity) = X1,
file('/export/starexec/sandbox2/benchmark/Axioms/BOO004-0.ax',additive_id1) ).
cnf(c_0_6,axiom,
add(X1,multiply(X2,X3)) = multiply(add(X1,X2),add(X1,X3)),
distributivity1 ).
cnf(c_0_7,axiom,
add(X1,inverse(X1)) = multiplicative_identity,
additive_inverse1 ).
cnf(c_0_8,axiom,
multiply(X1,multiplicative_identity) = X1,
multiplicative_id1 ).
cnf(c_0_9,negated_conjecture,
add(a,a) != a,
inference(fof_simplification,[status(thm)],[prove_a_plus_a_is_a]) ).
cnf(c_0_10,plain,
add(X1,multiply(X2,inverse(X1))) = add(X1,X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_6,c_0_7]),c_0_8]) ).
cnf(c_0_11,axiom,
multiply(X1,inverse(X1)) = additive_identity,
multiplicative_inverse1 ).
cnf(c_0_12,axiom,
add(X1,additive_identity) = X1,
additive_id1 ).
cnf(c_0_13,negated_conjecture,
add(a,a) != a,
c_0_9 ).
cnf(c_0_14,plain,
add(X1,X1) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_10,c_0_11]),c_0_12]) ).
cnf(c_0_15,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_13,c_0_14])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : BOO004-4 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.04 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.13/0.39 % Computer : n002.cluster.edu
% 0.13/0.39 % Model : x86_64 x86_64
% 0.13/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39 % Memory : 8046.5625MB
% 0.13/0.39 % OS : Linux 6.8.0-71-generic
% 0.13/0.39 % CPULimit : 300
% 0.13/0.39 % WCLimit : 300
% 0.13/0.39 % DateTime : Mon Sep 21 13:48:33 UTC 2026
% 0.13/0.39 % CPUTime :
% 0.13/0.39 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.17/0.48 Running first-order theorem proving
% 0.17/0.48 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
% 0.17/0.53 % Version: 3.5.1
% 0.17/0.53 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.17/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.53 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.17/0.53 % Starting new_bool_3 with 300s (1) cores
% 0.17/0.53 % Starting new_bool_1 with 300s (1) cores
% 0.17/0.53 % Starting sh5l with 300s (1) cores
% 0.17/0.53 % sh5l with pid 3440666 completed with status 0
% 0.17/0.53 % Result found by sh5l
% 0.17/0.53 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.17/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.53 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.17/0.53 % Starting new_bool_3 with 300s (1) cores
% 0.17/0.53 % Starting new_bool_1 with 300s (1) cores
% 0.17/0.53 % Starting sh5l with 300s (1) cores
% 0.17/0.53 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.17/0.53 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.17/0.53 % Search class: FUUPM-FFSF21-SFFFFFNN
% 0.17/0.53 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.17/0.53 % Starting SubtermCWHack with 31s (1) cores
% 0.17/0.53 % SubtermCWHack with pid 3440672 completed with status 0
% 0.17/0.53 % Result found by SubtermCWHack
% 0.17/0.53 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.17/0.53 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.17/0.53 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.17/0.53 % Starting new_bool_3 with 300s (1) cores
% 0.17/0.53 % Starting new_bool_1 with 300s (1) cores
% 0.17/0.53 % Starting sh5l with 300s (1) cores
% 0.17/0.53 % (lift_lambdas = 0, lambda_to_forall = 0,unroll_only_formulas = 0, sine = gf500_gu_R04_F100_L20000)
% 0.17/0.53 % SinE strategy is gf500_gu_R04_F100_L20000
% 0.17/0.53 % Search class: FUUPM-FFSF21-SFFFFFNN
% 0.17/0.53 % Scheduled 5 strats onto 1 cores with 300 seconds (300 total)
% 0.17/0.53 % Starting SubtermCWHack with 31s (1) cores
% 0.17/0.53 % Preprocessing time : 0.002 s
% 0.17/0.53
% 0.17/0.53 % Proof found!
% 0.17/0.53 % SZS status Unsatisfiable
% 0.17/0.53 % SZS output start CNFRefutation
% See solution above
% 0.17/0.53 % Parsed axioms : 9
% 0.17/0.53 % Removed by relevancy pruning/SinE : 0
% 0.17/0.53 % Initial clauses : 9
% 0.17/0.53 % Removed in clause preprocessing : 0
% 0.17/0.53 % Initial clauses in saturation : 9
% 0.17/0.53 % Processed clauses : 19
% 0.17/0.53 % ...of these trivial : 2
% 0.17/0.53 % ...subsumed : 2
% 0.17/0.53 % ...remaining for further processing : 15
% 0.17/0.53 % Other redundant clauses eliminated : 0
% 0.17/0.53 % Clauses deleted for lack of memory : 0
% 0.17/0.53 % Backward-subsumed : 0
% 0.17/0.53 % Backward-rewritten : 1
% 0.17/0.53 % Generated clauses : 45
% 0.17/0.53 % ...of the previous two non-redundant : 27
% 0.17/0.53 % ...aggressively subsumed : 0
% 0.17/0.53 % Contextual simplify-reflections : 0
% 0.17/0.53 % Paramodulations : 45
% 0.17/0.53 % Factorizations : 0
% 0.17/0.53 % NegExts : 0
% 0.17/0.53 % Equation resolutions : 0
% 0.17/0.53 % Disequality decompositions : 0
% 0.17/0.53 % Total rewrite steps : 33
% 0.17/0.53 % ...of those cached : 14
% 0.17/0.53 % Propositional unsat checks : 0
% 0.17/0.53 % Propositional check models : 0
% 0.17/0.53 % Propositional check unsatisfiable : 0
% 0.17/0.53 % Propositional clauses : 0
% 0.17/0.53 % Propositional clauses after purity: 0
% 0.17/0.53 % Propositional unsat core size : 0
% 0.17/0.53 % Propositional preprocessing time : 0.000
% 0.17/0.53 % Propositional encoding time : 0.000
% 0.17/0.53 % Propositional solver time : 0.000
% 0.17/0.53 % Success case prop preproc time : 0.000
% 0.17/0.53 % Success case prop encoding time : 0.000
% 0.17/0.53 % Success case prop solver time : 0.000
% 0.17/0.53 % Current number of processed clauses : 14
% 0.17/0.53 % Positive orientable unit clauses : 12
% 0.17/0.53 % Positive unorientable unit clauses: 2
% 0.17/0.53 % Negative unit clauses : 0
% 0.17/0.53 % Non-unit-clauses : 0
% 0.17/0.53 % Current number of unprocessed clauses: 17
% 0.17/0.53 % ...number of literals in the above : 17
% 0.17/0.53 % Current number of archived formulas : 0
% 0.17/0.53 % Current number of archived clauses : 1
% 0.17/0.53 % Clause-clause subsumption calls (NU) : 0
% 0.17/0.53 % Rec. Clause-clause subsumption calls : 0
% 0.17/0.53 % Non-unit clause-clause subsumptions : 0
% 0.17/0.53 % Unit Clause-clause subsumption calls : 0
% 0.17/0.53 % Rewrite failures with RHS unbound : 0
% 0.17/0.53 % BW rewrite match attempts : 20
% 0.17/0.53 % BW rewrite match successes : 11
% 0.17/0.53 % Condensation attempts : 0
% 0.17/0.53 % Condensation successes : 0
% 0.17/0.53 % Termbank termtop insertions : 371
% 0.17/0.53 % Search garbage collected termcells : 2
% 0.17/0.53
% 0.17/0.53 % -------------------------------------------------
% 0.17/0.53 % User time : 0.005 s
% 0.17/0.53 % System time : 0.002 s
% 0.17/0.53 % Total time : 0.007 s
% 0.17/0.53 % Maximum resident set size: 3636 pages
% 0.17/0.53
% 0.17/0.53 % -------------------------------------------------
% 0.17/0.53 % User time : 0.007 s
% 0.17/0.53 % System time : 0.008 s
% 0.17/0.53 % Total time : 0.016 s
% 0.17/0.53 % Maximum resident set size: 4608 pages
% 0.17/0.53 % E exiting
%------------------------------------------------------------------------------