0.00/0.02 % Problem : theBenchmark.p : TPTP v0.0.0. Released v0.0.0. 0.00/0.04 % Command : run_E /export/starexec/sandbox/benchmark/theBenchmark.p 180 THM 0.08/0.34 % Computer : n016.cluster.edu 0.08/0.34 % Model : x86_64 x86_64 0.08/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz 0.08/0.34 % Memory : 8046.5625MB 0.08/0.34 % OS : Linux 6.8.0-71-generic 0.08/0.34 % CPULimit : 1440 0.08/0.34 % WCLimit : 180 0.08/0.34 % DateTime : Mon Jul 27 10:08:07 UTC 2026 0.08/0.35 % CPUTime : 0.08/0.35 Running run_E /export/starexec/sandbox/benchmark/theBenchmark.p 180 THM 0.14/0.39 Running first-order theorem proving 0.14/0.39 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=180 /export/starexec/sandbox/benchmark/theBenchmark.p 0.14/0.42 % Version: 3.5.1 0.14/0.42 % Preprocessing class: FSMSSMSSSSSNFFN. 0.14/0.42 % Scheduled 4 strats onto 8 cores with 180 seconds (1440 total) 0.14/0.42 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 900s (5) cores 0.14/0.42 % Starting new_bool_3 with 180s (1) cores 0.14/0.42 % Starting new_bool_1 with 180s (1) cores 0.14/0.42 % Starting sh5l with 180s (1) cores 0.14/0.42 % G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with pid 1138285 completed with status 0 0.14/0.42 % Result found by G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN 0.14/0.42 % Preprocessing class: FSMSSMSSSSSNFFN. 0.14/0.42 % Scheduled 4 strats onto 8 cores with 180 seconds (1440 total) 0.14/0.42 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 900s (5) cores 0.14/0.42 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto) 0.14/0.42 % No SInE strategy applied 0.14/0.42 % Search class: FGHSM-FFMF31-SFFFFFNN 0.14/0.42 % partial match(1): FGHSM-FFMM31-SFFFFFNN 0.14/0.42 % Scheduled 11 strats onto 5 cores with 900 seconds (900 total) 0.14/0.42 % Starting SubtermCWHack with 82s (1) cores 0.14/0.42 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 91s (1) cores 0.14/0.42 % Starting G-E--_208_C18_F1_SE_CS_SP_PS_S4b with 82s (1) cores 0.14/0.42 % Starting G-E--_302_C18_F1_URBAN_S5PRR_RG_S0Y with 82s (1) cores 0.14/0.42 % Starting G-E--_208_B07----D_F1_SE_CS_SP_PS_S5PRR_RG_S04AN with 82s (1) cores 0.14/0.42 % SubtermCWHack with pid 1138291 completed with status 0 0.14/0.42 % Result found by SubtermCWHack 0.14/0.42 % Preprocessing class: FSMSSMSSSSSNFFN. 0.14/0.42 % Scheduled 4 strats onto 8 cores with 180 seconds (1440 total) 0.14/0.42 % Starting G-E--_208_C18_F1_SE_CS_SOS_SP_PS_S5PRR_RG_S04AN with 900s (5) cores 0.14/0.42 % (lift_lambdas = 1, lambda_to_forall = 1,unroll_only_formulas = 1, sine = Auto) 0.14/0.42 % No SInE strategy applied 0.14/0.42 % Search class: FGHSM-FFMF31-SFFFFFNN 0.14/0.42 % partial match(1): FGHSM-FFMM31-SFFFFFNN 0.14/0.42 % Scheduled 11 strats onto 5 cores with 900 seconds (900 total) 0.14/0.42 % Starting SubtermCWHack with 82s (1) cores 0.14/0.42 % Preprocessing time : 0.002 s 0.14/0.42 0.14/0.42 % Proof found! 0.14/0.42 % SZS status Theorem 0.14/0.42 % SZS output start CNFRefutation 0.14/0.42 fof(goal_036, conjecture, ?[X9]:((nf(X9)&tc(nil,X9,arr(a,arr(b,b))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p', goal_036)). 0.14/0.42 fof(axiom_033, axiom, ![X1, X9, X13, X14]:((tc(cons(X13,X1),X9,X14)<=>tc(X1,lam(X9),arr(X13,X14)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p', axiom_033)). 0.14/0.42 fof(axiom_035, axiom, ![X1, X5, X3, X6]:(((tc(X1,var(X3),X5)<=>X6=X5)<=just(X6)=index(X1,X3))), file('/export/starexec/sandbox/benchmark/theBenchmark.p', axiom_035)). 0.14/0.42 fof(axiom_029, axiom, ![X5, X7]:(just(X5)=index(cons(X5,X7),zero)), file('/export/starexec/sandbox/benchmark/theBenchmark.p', axiom_029)). 0.14/0.42 fof(axiom_026, axiom, ![X9]:((nf(X9)<=>nf(lam(X9)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p', axiom_026)). 0.14/0.42 fof(axiom_027, axiom, ![X4]:(nf(var(X4))), file('/export/starexec/sandbox/benchmark/theBenchmark.p', axiom_027)). 0.14/0.42 fof(c_0_6, negated_conjecture, ~(?[X9]:((nf(X9)&tc(nil,X9,arr(a,arr(b,b)))))), inference(assume_negation,[status(cth)],[goal_036])). 0.14/0.42 fof(c_0_7, negated_conjecture, ![X71]:((~nf(X71)|~tc(nil,X71,arr(a,arr(b,b))))), inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])])). 0.14/0.42 fof(c_0_8, plain, ![X64, X65, X66, X67]:(((~tc(cons(X66,X64),X65,X67)|tc(X64,lam(X65),arr(X66,X67)))&(~tc(X64,lam(X65),arr(X66,X67))|tc(cons(X66,X64),X65,X67)))), inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[axiom_033])])])). 0.14/0.42 fof(c_0_9, plain, ![X1, X5, X3, X6]:((just(X6)=index(X1,X3)=>(tc(X1,var(X3),X5)<=>X6=X5))), inference(fof_simplification,[status(thm)],[axiom_035])). 0.14/0.42 cnf(c_0_10, negated_conjecture, (~nf(X1)|~tc(nil,X1,arr(a,arr(b,b)))), inference(split_conjunct,[status(thm)],[c_0_7])). 0.14/0.42 cnf(c_0_11, plain, (tc(X2,lam(X3),arr(X1,X4))|~tc(cons(X1,X2),X3,X4)), inference(split_conjunct,[status(thm)],[c_0_8])). 0.14/0.42 fof(c_0_12, plain, ![X19, X20, X21, X22]:(((~tc(X19,var(X21),X20)|X22=X20|just(X22)!=index(X19,X21))&(X22!=X20|tc(X19,var(X21),X20)|just(X22)!=index(X19,X21)))), inference(distribute,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_9])])])])). 0.14/0.42 cnf(c_0_13, negated_conjecture, (~nf(lam(X1))|~tc(cons(a,nil),X1,arr(b,b))), inference(spm,[status(thm)],[c_0_10, c_0_11])). 0.14/0.42 cnf(c_0_14, plain, (tc(X3,var(X4),X2)|X1!=X2|just(X1)!=index(X3,X4)), inference(split_conjunct,[status(thm)],[c_0_12])). 0.14/0.42 cnf(c_0_15, negated_conjecture, (~nf(lam(lam(X1)))|~tc(cons(b,cons(a,nil)),X1,b)), inference(spm,[status(thm)],[c_0_13, c_0_11])). 0.14/0.42 cnf(c_0_16, plain, (tc(X1,var(X2),X3)|just(X3)!=index(X1,X2)), inference(er,[status(thm)],[c_0_14])). 0.14/0.42 fof(c_0_17, plain, ![X83, X84]:(just(X83)=index(cons(X83,X84),zero)), inference(variable_rename,[status(thm)],[axiom_029])). 0.14/0.42 cnf(c_0_18, negated_conjecture, (index(cons(b,cons(a,nil)),X1)!=just(b)|~nf(lam(lam(var(X1))))), inference(spm,[status(thm)],[c_0_15, c_0_16])). 0.14/0.42 cnf(c_0_19, plain, (just(X1)=index(cons(X1,X2),zero)), inference(split_conjunct,[status(thm)],[c_0_17])). 0.14/0.42 fof(c_0_20, plain, ![X37]:(((~nf(X37)|nf(lam(X37)))&(~nf(lam(X37))|nf(X37)))), inference(fof_nnf,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[axiom_026])])])). 0.14/0.42 cnf(c_0_21, negated_conjecture, (~nf(lam(lam(var(zero))))), inference(spm,[status(thm)],[c_0_18, c_0_19])). 0.14/0.42 cnf(c_0_22, plain, (nf(lam(X1))|~nf(X1)), inference(split_conjunct,[status(thm)],[c_0_20])). 0.14/0.42 fof(c_0_23, plain, ![X43]:(nf(var(X43))), inference(variable_rename,[status(thm)],[axiom_027])). 0.14/0.42 cnf(c_0_24, negated_conjecture, (~nf(lam(var(zero)))), inference(spm,[status(thm)],[c_0_21, c_0_22])). 0.14/0.42 cnf(c_0_25, plain, (nf(var(X1))), inference(split_conjunct,[status(thm)],[c_0_23])). 0.14/0.42 cnf(c_0_26, negated_conjecture, ($false), inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_24, c_0_22]), c_0_25])]), ['proof']). 0.14/0.42 % SZS output end CNFRefutation 0.14/0.42 % Parsed axioms : 36 0.14/0.42 % Removed by relevancy pruning/SinE : 0 0.14/0.42 % Initial clauses : 43 0.14/0.42 % Removed in clause preprocessing : 0 0.14/0.42 % Initial clauses in saturation : 43 0.14/0.42 % Processed clauses : 62 0.14/0.42 % ...of these trivial : 0 0.14/0.42 % ...subsumed : 6 0.14/0.42 % ...remaining for further processing : 56 0.14/0.42 % Other redundant clauses eliminated : 1 0.14/0.42 % Clauses deleted for lack of memory : 0 0.14/0.42 % Backward-subsumed : 1 0.14/0.42 % Backward-rewritten : 0 0.14/0.42 % Generated clauses : 36 0.14/0.42 % ...of the previous two non-redundant : 26 0.14/0.42 % ...aggressively subsumed : 0 0.14/0.42 % Contextual simplify-reflections : 0 0.14/0.42 % Paramodulations : 33 0.14/0.42 % Factorizations : 0 0.14/0.42 % NegExts : 0 0.14/0.42 % Equation resolutions : 3 0.14/0.42 % Disequality decompositions : 0 0.14/0.42 % Total rewrite steps : 8 0.14/0.42 % ...of those cached : 1 0.14/0.42 % Propositional unsat checks : 0 0.14/0.42 % Propositional check models : 0 0.14/0.42 % Propositional check unsatisfiable : 0 0.14/0.42 % Propositional clauses : 0 0.14/0.42 % Propositional clauses after purity: 0 0.14/0.42 % Propositional unsat core size : 0 0.14/0.42 % Propositional preprocessing time : 0.000 0.14/0.42 % Propositional encoding time : 0.000 0.14/0.42 % Propositional solver time : 0.000 0.14/0.42 % Success case prop preproc time : 0.000 0.14/0.42 % Success case prop encoding time : 0.000 0.14/0.42 % Success case prop solver time : 0.000 0.14/0.42 % Current number of processed clauses : 54 0.14/0.42 % Positive orientable unit clauses : 15 0.14/0.42 % Positive unorientable unit clauses: 0 0.14/0.42 % Negative unit clauses : 15 0.14/0.42 % Non-unit-clauses : 24 0.14/0.42 % Current number of unprocessed clauses: 7 0.14/0.42 % ...number of literals in the above : 23 0.14/0.42 % Current number of archived formulas : 0 0.14/0.42 % Current number of archived clauses : 1 0.14/0.42 % Clause-clause subsumption calls (NU) : 24 0.14/0.42 % Rec. Clause-clause subsumption calls : 18 0.14/0.42 % Non-unit clause-clause subsumptions : 1 0.14/0.42 % Unit Clause-clause subsumption calls : 32 0.14/0.42 % Rewrite failures with RHS unbound : 0 0.14/0.42 % BW rewrite match attempts : 0 0.14/0.42 % BW rewrite match successes : 0 0.14/0.42 % Condensation attempts : 0 0.14/0.42 % Condensation successes : 0 0.14/0.42 % Termbank termtop insertions : 2573 0.14/0.42 % Search garbage collected termcells : 318 0.14/0.42 0.14/0.42 % ------------------------------------------------- 0.14/0.42 % User time : 0.008 s 0.14/0.42 % System time : 0.004 s 0.14/0.42 % Total time : 0.011 s 0.14/0.42 % Maximum resident set size: 3668 pages 0.14/0.42 0.14/0.42 % ------------------------------------------------- 0.14/0.42 % User time : 0.030 s 0.14/0.42 % System time : 0.010 s 0.14/0.42 % Total time : 0.039 s 0.14/0.42 % Maximum resident set size: 4608 pages 0.14/0.42 % E exiting 0.14/0.42 EOF