%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : SYN081+1 : TPTP v9.2.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n026.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 05:36:05 PM UTC 2026
% Result : Theorem 0.26s 1.61s
% Output : CNFRefutation 0.26s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SYN081+1 : TPTP v9.2.1. Released v2.0.0.
% 0.00/0.12 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.33 % Computer : n026.cluster.edu
% 0.16/0.33 % Model : x86_64 x86_64
% 0.16/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33 % Memory : 8042.1875MB
% 0.16/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33 % CPULimit : 300
% 0.16/0.33 % WCLimit : 300
% 0.16/0.33 % DateTime : Tue May 5 08:12:38 EDT 2026
% 0.16/0.33 % CPUTime :
% 0.16/0.34 % start to proof: theBenchmark
% 0.26/1.61 % Version : CSE_E---1.7
% 0.26/1.61 % Problem : theBenchmark.p
% 0.26/1.61 % SZS status Theorem for theBenchmark.p
% 0.26/1.61 % SZS output start CNFRefutation
% 0.26/1.61 fof(pel59_1, axiom, ![X1]:(big_f(X1)<=>~(big_f(f(X1)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', pel59_1)).
% 0.26/1.61 fof(pel59, conjecture, ?[X1]:(big_f(X1)&~(big_f(f(X1)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p', pel59)).
% 0.26/1.61 fof(i_0_2, plain, ![X1]:(big_f(X1)<=>~big_f(f(X1))), inference(fof_simplification,[status(thm)],[pel59_1])).
% 0.26/1.61 fof(i_0_3, negated_conjecture, ~(?[X1]:(big_f(X1)&~big_f(f(X1)))), inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[pel59])])).
% 0.26/1.61 fof(i_0_4, plain, ![X4]:((~big_f(X4)|~big_f(f(X4)))&(big_f(f(X4))|big_f(X4))), inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[i_0_2])])).
% 0.26/1.61 fof(i_0_5, negated_conjecture, ![X5]:(~big_f(X5)|big_f(f(X5))), inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[i_0_3])])).
% 0.26/1.61 cnf(i_0_6, plain, (~big_f(X1)|~big_f(f(X1))), inference(split_conjunct,[status(thm)],[i_0_4]), ['final']).
% 0.26/1.61 cnf(i_0_7, negated_conjecture, (big_f(f(X1))|~big_f(X1)), inference(split_conjunct,[status(thm)],[i_0_5]), ['final']).
% 0.26/1.61 cnf(i_0_8, plain, (big_f(f(X1))|big_f(X1)), inference(split_conjunct,[status(thm)],[i_0_4]), ['final']).
% 0.26/1.63 cnf(i_0_9, plain, (~big_f(X1)|~big_f(f(f(X1)))), inference(scs_inference,[],[i_0_6,i_0_7])).
% 0.26/1.63 cnf(i_0_10, plain, (~big_f(f(f(X1)))|big_f(f(X1))), inference(scs_inference,[],[i_0_8,i_0_9])).
% 0.26/1.63 cnf(i_0_11, plain, (~big_f(f(X1))|big_f(f(X1))), inference(scs_inference,[],[i_0_10,i_0_7])).
% 0.26/1.63 cnf(i_0_12, plain, (~big_f(X1)), inference(scs_inference,[],[i_0_6,i_0_7])).
% 0.26/1.63 cnf(i_0_13, plain, (big_f(X1)), inference(scs_inference,[],[i_0_12,i_0_8])).
% 0.26/1.63 cnf(i_0_14, plain, (~big_f(X1)), inference(rename_variables,[],[i_0_12])).
% 0.26/1.63 cnf(i_0_15,plain, ($false), inference(scs_inference,[],[i_0+12, i_0_13]), ['proof']).
% 0.26/1.63 % SZS output end CNFRefutation
% 0.26/1.63 % Total time : 1.267s
%------------------------------------------------------------------------------