%------------------------------------------------------------------------------
% File : E---3.5.1
% Problem : GRP055-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% Computer : n014.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 12:37:45 PM UTC 2026
% Result : Unsatisfiable 5.52s 1.33s
% Output : CNFRefutation 5.52s
% Verified :
% SZS Type : Refutation
% Derivation depth : 24
% Number of leaves : 2
% Syntax : Number of clauses : 43 ( 39 unt; 0 nHn; 6 RR)
% Number of literals : 50 ( 49 equ; 12 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 18 ( 3 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 9 ( 9 usr; 7 con; 0-2 aty)
% Number of variables : 111 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(single_axiom,axiom,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))))),multiply(X1,X3))) = X2,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',single_axiom) ).
cnf(prove_these_axioms,negated_conjecture,
( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
| multiply(multiply(inverse(b2),b2),a2) != a2
| multiply(inverse(a1),a1) != multiply(inverse(b1),b1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms) ).
cnf(c_0_2,axiom,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))))),multiply(X1,X3))) = X2,
single_axiom ).
cnf(c_0_3,plain,
inverse(multiply(inverse(multiply(X1,X2)),multiply(X1,X3))) = multiply(inverse(X3),inverse(multiply(inverse(X2),multiply(inverse(inverse(multiply(inverse(X3),X3))),inverse(multiply(inverse(inverse(multiply(inverse(X3),X3))),inverse(multiply(inverse(X3),X3)))))))),
inference(spm,[status(thm)],[c_0_2,c_0_2]) ).
cnf(c_0_4,plain,
inverse(multiply(inverse(multiply(X1,X2)),multiply(X1,X3))) = inverse(multiply(inverse(multiply(X4,X2)),multiply(X4,X3))),
inference(spm,[status(thm)],[c_0_3,c_0_3]) ).
cnf(c_0_5,plain,
multiply(inverse(multiply(X1,X2)),multiply(X1,X3)) = multiply(inverse(multiply(X4,X2)),multiply(X4,X3)),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_2,c_0_4]),c_0_2]) ).
cnf(c_0_6,plain,
inverse(multiply(inverse(multiply(X1,inverse(multiply(X2,multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))))),multiply(X1,X3))) = multiply(inverse(multiply(X4,inverse(multiply(inverse(X2),multiply(inverse(X5),inverse(multiply(inverse(X5),X5))))))),multiply(X4,X5)),
inference(spm,[status(thm)],[c_0_2,c_0_2]) ).
cnf(c_0_7,plain,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(multiply(X3,X4)),inverse(multiply(inverse(multiply(X5,X4)),multiply(X5,X4)))))))),multiply(X1,multiply(X3,X4)))) = X2,
inference(spm,[status(thm)],[c_0_2,c_0_5]) ).
cnf(c_0_8,plain,
multiply(inverse(multiply(X1,inverse(multiply(inverse(inverse(X2)),multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))))),multiply(X1,X3)) = X2,
inference(spm,[status(thm)],[c_0_2,c_0_6]) ).
cnf(c_0_9,plain,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(X3),inverse(multiply(inverse(multiply(X4,multiply(X5,X6))),multiply(X4,multiply(X5,X6))))))))),multiply(X1,X3))) = X2,
inference(spm,[status(thm)],[c_0_7,c_0_8]) ).
cnf(c_0_10,plain,
multiply(inverse(multiply(X1,inverse(multiply(inverse(inverse(X2)),multiply(inverse(multiply(X3,X4)),inverse(multiply(inverse(multiply(X5,X4)),multiply(X5,X4)))))))),multiply(X1,multiply(X3,X4))) = X2,
inference(spm,[status(thm)],[c_0_8,c_0_5]) ).
cnf(c_0_11,plain,
inverse(multiply(inverse(inverse(multiply(inverse(multiply(X1,X2)),multiply(X1,X3)))),multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))) = X2,
inference(spm,[status(thm)],[c_0_2,c_0_3]) ).
cnf(c_0_12,plain,
multiply(inverse(inverse(multiply(inverse(multiply(X1,inverse(X2))),multiply(X1,X3)))),multiply(inverse(X3),inverse(multiply(inverse(X3),X3)))) = X2,
inference(spm,[status(thm)],[c_0_8,c_0_3]) ).
cnf(c_0_13,plain,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(X3),inverse(multiply(inverse(X4),X4))))))),multiply(X1,X3))) = X2,
inference(spm,[status(thm)],[c_0_9,c_0_10]) ).
cnf(c_0_14,plain,
inverse(multiply(inverse(inverse(multiply(inverse(multiply(inverse(multiply(X1,X2)),multiply(X1,X3))),multiply(inverse(multiply(X4,X2)),X5)))),multiply(inverse(X5),inverse(multiply(inverse(X5),X5))))) = multiply(X4,X3),
inference(spm,[status(thm)],[c_0_11,c_0_5]) ).
cnf(c_0_15,plain,
multiply(inverse(X1),multiply(inverse(X2),inverse(multiply(inverse(X2),X2)))) = multiply(inverse(X1),multiply(inverse(X2),inverse(multiply(inverse(X3),X3)))),
inference(spm,[status(thm)],[c_0_12,c_0_13]) ).
cnf(c_0_16,plain,
multiply(X1,inverse(multiply(inverse(X2),X2))) = multiply(X1,inverse(multiply(inverse(X3),X3))),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_14]) ).
cnf(c_0_17,plain,
multiply(inverse(X1),X1) = multiply(inverse(X2),X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_12,c_0_16]),c_0_12]) ).
cnf(c_0_18,plain,
multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(inverse(X2)),inverse(multiply(inverse(inverse(X2)),inverse(X2))))) = X2,
inference(spm,[status(thm)],[c_0_12,c_0_17]) ).
cnf(c_0_19,plain,
multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(inverse(X2)),inverse(multiply(inverse(X3),X3)))) = X2,
inference(spm,[status(thm)],[c_0_18,c_0_17]) ).
cnf(c_0_20,plain,
inverse(multiply(inverse(multiply(X1,inverse(multiply(inverse(X2),multiply(inverse(X3),X3))))),multiply(X1,inverse(multiply(inverse(X4),X4))))) = X2,
inference(spm,[status(thm)],[c_0_13,c_0_17]) ).
cnf(c_0_21,plain,
multiply(inverse(inverse(multiply(inverse(X1),X1))),multiply(inverse(X2),X2)) = multiply(inverse(X3),X3),
inference(spm,[status(thm)],[c_0_19,c_0_17]) ).
cnf(c_0_22,plain,
inverse(multiply(inverse(X1),X1)) = multiply(inverse(X2),X2),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_21]),c_0_20]) ).
cnf(c_0_23,plain,
inverse(multiply(inverse(X1),multiply(inverse(X2),X2))) = X1,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_22]),c_0_19]) ).
cnf(c_0_24,plain,
multiply(inverse(inverse(multiply(inverse(X1),X1))),X2) = X2,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_23]),c_0_23]) ).
cnf(c_0_25,plain,
inverse(inverse(multiply(inverse(multiply(X1,inverse(multiply(X2,multiply(inverse(X3),inverse(multiply(inverse(X3),X3))))))),multiply(X1,X3)))) = X2,
inference(spm,[status(thm)],[c_0_2,c_0_6]) ).
cnf(c_0_26,plain,
inverse(multiply(inverse(X1),inverse(multiply(inverse(X2),X2)))) = X1,
inference(spm,[status(thm)],[c_0_23,c_0_22]) ).
cnf(c_0_27,plain,
multiply(inverse(multiply(inverse(X1),X1)),X2) = X2,
inference(spm,[status(thm)],[c_0_24,c_0_20]) ).
cnf(c_0_28,plain,
inverse(inverse(multiply(X1,multiply(inverse(X1),X2)))) = X2,
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_26]),c_0_26]) ).
cnf(c_0_29,plain,
multiply(multiply(inverse(X1),X1),X2) = X2,
inference(spm,[status(thm)],[c_0_27,c_0_20]) ).
cnf(c_0_30,plain,
inverse(inverse(X1)) = X1,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_22]),c_0_29]),c_0_29]) ).
cnf(c_0_31,negated_conjecture,
( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
| multiply(multiply(inverse(b2),b2),a2) != a2
| multiply(inverse(a1),a1) != multiply(inverse(b1),b1) ),
inference(fof_simplification,[status(thm)],[prove_these_axioms]) ).
cnf(c_0_32,plain,
inverse(multiply(inverse(multiply(X1,multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X3),multiply(inverse(inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2))))),inverse(multiply(inverse(inverse(multiply(inverse(X2),X2))),inverse(multiply(inverse(X2),X2)))))))))))),multiply(X1,X2))) = multiply(inverse(X2),X3),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_3,c_0_6]),c_0_25]) ).
cnf(c_0_33,plain,
multiply(X1,multiply(inverse(X1),X2)) = X2,
inference(rw,[status(thm)],[c_0_28,c_0_30]) ).
cnf(c_0_34,negated_conjecture,
( multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
| multiply(multiply(inverse(b2),b2),a2) != a2
| multiply(inverse(a1),a1) != multiply(inverse(b1),b1) ),
c_0_31 ).
cnf(c_0_35,plain,
inverse(multiply(inverse(X1),X2)) = multiply(inverse(X2),X1),
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_33]),c_0_24]),c_0_30]),c_0_24]),c_0_30]),c_0_24]),c_0_30]),c_0_27]),c_0_27]),c_0_26]),c_0_27]) ).
cnf(c_0_36,plain,
multiply(X1,inverse(multiply(inverse(X2),X2))) = X1,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_19,c_0_24]),c_0_30]) ).
cnf(c_0_37,negated_conjecture,
( multiply(multiply(inverse(b2),b2),a2) != a2
| multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
inference(sr,[status(thm)],[c_0_34,c_0_17]) ).
cnf(c_0_38,plain,
multiply(inverse(X1),multiply(X1,X2)) = X2,
inference(spm,[status(thm)],[c_0_33,c_0_30]) ).
cnf(c_0_39,plain,
multiply(inverse(multiply(X1,X2)),multiply(X1,multiply(X2,X3))) = X3,
inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_13,c_0_35]),c_0_36]),c_0_35]),c_0_30]) ).
cnf(c_0_40,negated_conjecture,
multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_37,c_0_29])]) ).
cnf(c_0_41,plain,
multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_30]) ).
cnf(c_0_42,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_40,c_0_41])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : GRP055-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.05 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.36 % Computer : n014.cluster.edu
% 0.12/0.36 % Model : x86_64 x86_64
% 0.12/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.36 % Memory : 8046.5625MB
% 0.12/0.36 % OS : Linux 6.8.0-71-generic
% 0.12/0.36 % CPULimit : 300
% 0.12/0.36 % WCLimit : 300
% 0.12/0.36 % DateTime : Sun Sep 20 19:55:49 UTC 2026
% 0.12/0.37 % CPUTime :
% 0.12/0.37 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.15/0.40 Running first-order theorem proving
% 0.15/0.41 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
% 5.52/1.33 % Version: 3.5.1
% 5.52/1.33 % Preprocessing class: FSSSSMSSSSSNFFN.
% 5.52/1.33 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 5.52/1.33 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 5.52/1.33 % Starting new_bool_3 with 300s (1) cores
% 5.52/1.33 % Starting new_bool_1 with 300s (1) cores
% 5.52/1.33 % Starting sh5l with 300s (1) cores
% 5.52/1.33 % G-E--_302_C18_F1_URBAN_RG_S04BN with pid 2213736 completed with status 0
% 5.52/1.33 % Result found by G-E--_302_C18_F1_URBAN_RG_S04BN
% 5.52/1.33 % Preprocessing class: FSSSSMSSSSSNFFN.
% 5.52/1.33 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 5.52/1.33 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 5.52/1.33 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 5.52/1.33 % No SInE strategy applied
% 5.52/1.33 % Search class: FUHPF-FFSF21-DFFFFFNN
% 5.52/1.33 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 5.52/1.33 % Starting SubtermCWHack with 136s (1) cores
% 5.52/1.33 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 5.52/1.33 % Starting G-E--_208_C18_F1_SE_CS_SSP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 5.52/1.33 % Starting new_bool_3 with 136s (1) cores
% 5.52/1.33 % Starting new_bool_1 with 136s (1) cores
% 5.52/1.33 % new_bool_1 with pid 2213747 completed with status 0
% 5.52/1.33 % Result found by new_bool_1
% 5.52/1.33 % Preprocessing class: FSSSSMSSSSSNFFN.
% 5.52/1.33 % Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 5.52/1.33 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 1500s (5) cores
% 5.52/1.33 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto)
% 5.52/1.33 % No SInE strategy applied
% 5.52/1.33 % Search class: FUHPF-FFSF21-DFFFFFNN
% 5.52/1.33 % Scheduled 7 strats onto 5 cores with 1500 seconds (1500 total)
% 5.52/1.33 % Starting SubtermCWHack with 136s (1) cores
% 5.52/1.33 % Starting G-E--_302_C18_F1_URBAN_RG_S04BN with 151s (1) cores
% 5.52/1.33 % Starting G-E--_208_C18_F1_SE_CS_SSP_PS_S5PRR_RG_S04AN with 136s (1) cores
% 5.52/1.33 % Starting new_bool_3 with 136s (1) cores
% 5.52/1.33 % Starting new_bool_1 with 136s (1) cores
% 5.52/1.33 % Preprocessing time : 0.001 s
% 5.52/1.33 % Presaturation interreduction done
% 5.52/1.33
% 5.52/1.33 % Proof found!
% 5.52/1.33 % SZS status Unsatisfiable
% 5.52/1.33 % SZS output start CNFRefutation
% See solution above
% 5.52/1.33 % Parsed axioms : 2
% 5.52/1.33 % Removed by relevancy pruning/SinE : 0
% 5.52/1.33 % Initial clauses : 2
% 5.52/1.33 % Removed in clause preprocessing : 0
% 5.52/1.33 % Initial clauses in saturation : 2
% 5.52/1.33 % Processed clauses : 305
% 5.52/1.33 % ...of these trivial : 39
% 5.52/1.33 % ...subsumed : 184
% 5.52/1.33 % ...remaining for further processing : 82
% 5.52/1.33 % Other redundant clauses eliminated : 0
% 5.52/1.33 % Clauses deleted for lack of memory : 0
% 5.52/1.33 % Backward-subsumed : 3
% 5.52/1.33 % Backward-rewritten : 57
% 5.52/1.33 % Generated clauses : 18298
% 5.52/1.33 % ...of the previous two non-redundant : 17583
% 5.52/1.33 % ...aggressively subsumed : 0
% 5.52/1.33 % Contextual simplify-reflections : 0
% 5.52/1.33 % Paramodulations : 18297
% 5.52/1.33 % Factorizations : 0
% 5.52/1.33 % NegExts : 0
% 5.52/1.33 % Equation resolutions : 0
% 5.52/1.33 % Disequality decompositions : 0
% 5.52/1.33 % Total rewrite steps : 13398
% 5.52/1.33 % ...of those cached : 11551
% 5.52/1.33 % Propositional unsat checks : 0
% 5.52/1.33 % Propositional check models : 0
% 5.52/1.33 % Propositional check unsatisfiable : 0
% 5.52/1.33 % Propositional clauses : 0
% 5.52/1.33 % Propositional clauses after purity: 0
% 5.52/1.33 % Propositional unsat core size : 0
% 5.52/1.33 % Propositional preprocessing time : 0.000
% 5.52/1.33 % Propositional encoding time : 0.000
% 5.52/1.33 % Propositional solver time : 0.000
% 5.52/1.33 % Success case prop preproc time : 0.000
% 5.52/1.33 % Success case prop encoding time : 0.000
% 5.52/1.33 % Success case prop solver time : 0.000
% 5.52/1.33 % Current number of processed clauses : 19
% 5.52/1.33 % Positive orientable unit clauses : 13
% 5.52/1.33 % Positive unorientable unit clauses: 6
% 5.52/1.33 % Negative unit clauses : 0
% 5.52/1.33 % Non-unit-clauses : 0
% 5.52/1.33 % Current number of unprocessed clauses: 17124
% 5.52/1.33 % ...number of literals in the above : 17124
% 5.52/1.33 % Current number of archived formulas : 0
% 5.52/1.33 % Current number of archived clauses : 63
% 5.52/1.33 % Clause-clause subsumption calls (NU) : 0
% 5.52/1.33 % Rec. Clause-clause subsumption calls : 0
% 5.52/1.33 % Non-unit clause-clause subsumptions : 0
% 5.52/1.33 % Unit Clause-clause subsumption calls : 225
% 5.52/1.33 % Rewrite failures with RHS unbound : 1140
% 5.52/1.33 % BW rewrite match attempts : 1024
% 5.52/1.33 % BW rewrite match successes : 149
% 5.52/1.33 % Condensation attempts : 0
% 5.52/1.33 % Condensation successes : 0
% 5.52/1.33 % Termbank termtop insertions : 1425074
% 5.52/1.33 % Search garbage collected termcells : 8
% 5.52/1.33
% 5.52/1.33 % -------------------------------------------------
% 5.52/1.33 % User time : 0.843 s
% 5.52/1.33 % System time : 0.029 s
% 5.52/1.33 % Total time : 0.872 s
% 5.52/1.33 % Maximum resident set size: 3588 pages
% 5.52/1.33
% 5.52/1.33 % -------------------------------------------------
% 5.52/1.33 % User time : 3.797 s
% 5.52/1.33 % System time : 0.178 s
% 5.52/1.33 % Total time : 3.975 s
% 5.52/1.33 % Maximum resident set size: 4608 pages
% 5.52/1.33 % E exiting
%------------------------------------------------------------------------------