%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : NUM019-1 : TPTP v9.3.1. Bugfixed v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n007.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 : Tue Sep 29 12:09:49 PM UTC 2026
% Result : Unsatisfiable 0.09s 0.44s
% Output : Proof 0.09s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NUM019-1 : TPTP v9.3.1. Bugfixed v4.0.0.
% 0.00/0.04 % Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n007.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sun Sep 27 18:37:55 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.44 Command-line arguments: --no-flatten-goal
% 0.09/0.44
% 0.09/0.44 % SZS status Unsatisfiable
% 0.09/0.44
% 0.09/0.44 % SZS output start Proof
% 0.09/0.44 Axiom 1 (reflexivity): equalish(X, X) = true.
% 0.09/0.44 Axiom 2 (a_equals_aa): equalish(a, aa) = true.
% 0.09/0.44 Axiom 3 (ifeq_axiom): ifeq(X, X, Y, Z) = Y.
% 0.09/0.44 Axiom 4 (transitivity): ifeq(equalish(X, Y), true, ifeq(equalish(X, Z), true, equalish(Z, Y), true), true) = true.
% 0.09/0.44
% 0.09/0.44 Goal 1 (prove_b_equals_a): equalish(aa, a) = true.
% 0.09/0.44 Proof:
% 0.09/0.44 equalish(aa, a)
% 0.09/0.44 = { by axiom 3 (ifeq_axiom) R->L }
% 0.09/0.44 ifeq(true, true, equalish(aa, a), true)
% 0.09/0.44 = { by axiom 2 (a_equals_aa) R->L }
% 0.09/0.44 ifeq(equalish(a, aa), true, equalish(aa, a), true)
% 0.09/0.44 = { by axiom 3 (ifeq_axiom) R->L }
% 0.09/0.44 ifeq(true, true, ifeq(equalish(a, aa), true, equalish(aa, a), true), true)
% 0.09/0.44 = { by axiom 1 (reflexivity) R->L }
% 0.09/0.44 ifeq(equalish(a, a), true, ifeq(equalish(a, aa), true, equalish(aa, a), true), true)
% 0.09/0.44 = { by axiom 4 (transitivity) }
% 0.09/0.44 true
% 0.09/0.44 % SZS output end Proof
% 0.09/0.44
% 0.09/0.44 RESULT: Unsatisfiable (the axioms are contradictory).
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