%------------------------------------------------------------------------------
% File : E-SAT---3.5.1
% Problem : ROB008-1 : 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 : n001.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 02:06:43 PM UTC 2026
% Result : Unsatisfiable 0.24s 0.54s
% Output : CNFRefutation 0.24s
% Verified :
% SZS Type : Refutation
% Derivation depth : 3
% Number of leaves : 4
% Syntax : Number of clauses : 12 ( 12 unt; 0 nHn; 7 RR)
% Number of literals : 12 ( 11 equ; 3 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 7 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 3 con; 0-2 aty)
% Number of variables : 13 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(robbins_axiom,axiom,
negate(add(negate(add(X1,X2)),negate(add(X1,negate(X2))))) = X1,
file('/export/starexec/sandbox2/benchmark/Axioms/ROB001-0.ax',robbins_axiom) ).
cnf(condition,hypothesis,
negate(add(a,negate(add(b,c)))) = negate(add(a,add(b,negate(c)))),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condition) ).
cnf(associativity_of_add,axiom,
add(add(X1,X2),X3) = add(X1,add(X2,X3)),
file('/export/starexec/sandbox2/benchmark/Axioms/ROB001-0.ax',associativity_of_add) ).
cnf(prove_result,negated_conjecture,
add(a,b) != a,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_result) ).
cnf(c_0_4,axiom,
negate(add(negate(add(X1,X2)),negate(add(X1,negate(X2))))) = X1,
robbins_axiom ).
cnf(c_0_5,hypothesis,
negate(add(a,negate(add(b,c)))) = negate(add(a,add(b,negate(c)))),
condition ).
cnf(c_0_6,axiom,
add(add(X1,X2),X3) = add(X1,add(X2,X3)),
associativity_of_add ).
cnf(c_0_7,negated_conjecture,
add(a,b) != a,
inference(fof_simplification,[status(thm)],[prove_result]) ).
cnf(c_0_8,hypothesis,
negate(add(negate(add(a,add(b,c))),negate(add(a,add(b,negate(c)))))) = a,
inference(spm,[status(thm)],[c_0_4,c_0_5]) ).
cnf(c_0_9,plain,
negate(add(negate(add(X1,add(X2,X3))),negate(add(X1,add(X2,negate(X3)))))) = add(X1,X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_4,c_0_6]),c_0_6]) ).
cnf(c_0_10,negated_conjecture,
add(a,b) != a,
c_0_7 ).
cnf(c_0_11,hypothesis,
$false,
inference(sr,[status(thm)],[inference(rw,[status(thm)],[c_0_8,c_0_9]),c_0_10]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : ROB008-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.07 % Command : run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.19/0.45 % Computer : n001.cluster.edu
% 0.19/0.45 % Model : x86_64 x86_64
% 0.19/0.45 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.19/0.45 % Memory : 8046.5625MB
% 0.19/0.45 % OS : Linux 6.8.0-71-generic
% 0.19/0.45 % CPULimit : 300
% 0.19/0.45 % WCLimit : 300
% 0.19/0.45 % DateTime : Mon Sep 21 04:28:43 UTC 2026
% 0.19/0.45 % CPUTime :
% 0.19/0.45 Running run_E /export/starexec/sandbox2/benchmark/theBenchmark.p 300 THM
% 0.24/0.51 Running first-order theorem proving
% 0.24/0.51 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
% 0.24/0.54 % Version: 3.5.1
% 0.24/0.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.24/0.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.24/0.54 % Starting new_bool_3 with 300s (1) cores
% 0.24/0.54 % Starting new_bool_1 with 300s (1) cores
% 0.24/0.54 % Starting sh5l with 300s (1) cores
% 0.24/0.54 % G-E--_302_C18_F1_URBAN_RG_S04BN with pid 2184398 completed with status 0
% 0.24/0.54 % Result found by G-E--_302_C18_F1_URBAN_RG_S04BN
% 0.24/0.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.24/0.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.24/0.54 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.24/0.54 % No SInE strategy applied
% 0.24/0.54 % Search class: FUUPS-FFSF21-MFFFFFNN
% 0.24/0.54 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.24/0.54 % Starting SubtermCWHack with 136s (1) cores
% 0.24/0.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 0.24/0.54 % Starting G-E--_300_C18_F1_SE_CS_SP_PS_S0Y with 136s (1) cores
% 0.24/0.54 % Starting U----_206c_00_C07_23_F1_SE_PI_CS_SP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 0.24/0.54 % Starting U----_206d_05_B11_00_F1_SE_PI_CS_SP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 0.24/0.54 % G-E--_302_C18_F1_URBAN_RG_S04BN with pid 2184403 completed with status 0
% 0.24/0.54 % Result found by G-E--_302_C18_F1_URBAN_RG_S04BN
% 0.24/0.54 % Preprocessing class: FSSSSMSSSSSNFFN.
% 0.24/0.54 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 0.24/0.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 0.24/0.54 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 0.24/0.54 % No SInE strategy applied
% 0.24/0.54 % Search class: FUUPS-FFSF21-MFFFFFNN
% 0.24/0.54 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 0.24/0.54 % Starting SubtermCWHack with 136s (1) cores
% 0.24/0.54 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 0.24/0.54 % Preprocessing time : 0.001 s
% 0.24/0.54
% 0.24/0.54 % Proof found!
% 0.24/0.54 % SZS status Unsatisfiable
% 0.24/0.54 % SZS output start CNFRefutation
% See solution above
% 0.24/0.54 % Parsed axioms : 5
% 0.24/0.54 % Removed by relevancy pruning/SinE : 0
% 0.24/0.54 % Initial clauses : 5
% 0.24/0.54 % Removed in clause preprocessing : 0
% 0.24/0.54 % Initial clauses in saturation : 5
% 0.24/0.54 % Processed clauses : 35
% 0.24/0.54 % ...of these trivial : 3
% 0.24/0.54 % ...subsumed : 11
% 0.24/0.54 % ...remaining for further processing : 21
% 0.24/0.54 % Other redundant clauses eliminated : 0
% 0.24/0.54 % Clauses deleted for lack of memory : 0
% 0.24/0.54 % Backward-subsumed : 0
% 0.24/0.54 % Backward-rewritten : 1
% 0.24/0.54 % Generated clauses : 463
% 0.24/0.54 % ...of the previous two non-redundant : 395
% 0.24/0.54 % ...aggressively subsumed : 0
% 0.24/0.54 % Contextual simplify-reflections : 0
% 0.24/0.54 % Paramodulations : 463
% 0.24/0.54 % Factorizations : 0
% 0.24/0.54 % NegExts : 0
% 0.24/0.54 % Equation resolutions : 0
% 0.24/0.54 % Disequality decompositions : 0
% 0.24/0.54 % Total rewrite steps : 156
% 0.24/0.54 % ...of those cached : 102
% 0.24/0.54 % Propositional unsat checks : 0
% 0.24/0.54 % Propositional check models : 0
% 0.24/0.54 % Propositional check unsatisfiable : 0
% 0.24/0.54 % Propositional clauses : 0
% 0.24/0.54 % Propositional clauses after purity: 0
% 0.24/0.54 % Propositional unsat core size : 0
% 0.24/0.54 % Propositional preprocessing time : 0.000
% 0.24/0.54 % Propositional encoding time : 0.000
% 0.24/0.54 % Propositional solver time : 0.000
% 0.24/0.54 % Success case prop preproc time : 0.000
% 0.24/0.54 % Success case prop encoding time : 0.000
% 0.24/0.54 % Success case prop solver time : 0.000
% 0.24/0.54 % Current number of processed clauses : 20
% 0.24/0.54 % Positive orientable unit clauses : 15
% 0.24/0.54 % Positive unorientable unit clauses: 4
% 0.24/0.54 % Negative unit clauses : 1
% 0.24/0.54 % Non-unit-clauses : 0
% 0.24/0.54 % Current number of unprocessed clauses: 365
% 0.24/0.54 % ...number of literals in the above : 365
% 0.24/0.54 % Current number of archived formulas : 0
% 0.24/0.54 % Current number of archived clauses : 1
% 0.24/0.54 % Clause-clause subsumption calls (NU) : 0
% 0.24/0.54 % Rec. Clause-clause subsumption calls : 0
% 0.24/0.54 % Non-unit clause-clause subsumptions : 0
% 0.24/0.54 % Unit Clause-clause subsumption calls : 19
% 0.24/0.54 % Rewrite failures with RHS unbound : 0
% 0.24/0.54 % BW rewrite match attempts : 77
% 0.24/0.54 % BW rewrite match successes : 23
% 0.24/0.54 % Condensation attempts : 0
% 0.24/0.54 % Condensation successes : 0
% 0.24/0.54 % Termbank termtop insertions : 9158
% 0.24/0.54 % Search garbage collected termcells : 2
% 0.24/0.54
% 0.24/0.54 % -------------------------------------------------
% 0.24/0.54 % User time : 0.010 s
% 0.24/0.54 % System time : 0.003 s
% 0.24/0.54 % Total time : 0.013 s
% 0.24/0.54 % Maximum resident set size: 3636 pages
% 0.24/0.54
% 0.24/0.54 % -------------------------------------------------
% 0.24/0.54 % User time : 0.042 s
% 0.24/0.54 % System time : 0.022 s
% 0.24/0.54 % Total time : 0.064 s
% 0.24/0.54 % Maximum resident set size: 4608 pages
% 0.24/0.54 % E exiting
%------------------------------------------------------------------------------