%------------------------------------------------------------------------------
% File : Twee---2.7
% Problem : PLA006-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n015.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 12:27:33 PM UTC 2026
% Result : Unsatisfiable 3.07s 0.85s
% Output : Proof 3.07s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA006-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.04 % Command : run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n015.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Sun Sep 27 22:12:30 UTC 2026
% 0.10/0.36 % CPUTime :
% 0.10/0.36 Running run_twee /export/starexec/sandbox2/benchmark/theBenchmark.p
% 3.07/0.85 Command-line arguments: --lhs-weight 1 --flip-ordering --normalise-queue-percent 10 --cp-renormalise-threshold 10 --complete-subsets --ground-joining-incomplete-limit 15 --flatten-regeneralise
% 3.07/0.85
% 3.07/0.85 % SZS status Unsatisfiable
% 3.07/0.85
% 3.07/0.85 % SZS output start Proof
% 3.07/0.85 Axiom 1 (initial_state8): holds(empty, s0) = true.
% 3.07/0.85 Axiom 2 (clear_table): holds(clear(table), X) = true.
% 3.07/0.85 Axiom 3 (initial_state7): holds(clear(c), s0) = true.
% 3.07/0.85 Axiom 4 (differ_c_table): differ(c, table) = true.
% 3.07/0.85 Axiom 5 (ifeq_axiom): ifeq(X, X, Y, Z) = Y.
% 3.07/0.85 Axiom 6 (putdown_2): ifeq(holds(clear(X), Y), true, ifeq(holds(holding(Z), Y), true, holds(on(Z, X), do(putdown(Z, X), Y)), true), true) = true.
% 3.07/0.85 Axiom 7 (pickup_1): ifeq(differ(X, table), true, ifeq(holds(clear(X), Y), true, ifeq(holds(empty, Y), true, holds(holding(X), do(pickup(X), Y)), true), true), true) = true.
% 3.07/0.85
% 3.07/0.85 Goal 1 (prove_CTable): holds(on(c, table), X) = true.
% 3.07/0.85 The goal is true when:
% 3.07/0.85 X = do(putdown(c, table), do(pickup(c), s0))
% 3.07/0.85
% 3.07/0.85 Proof:
% 3.07/0.85 holds(on(c, table), do(putdown(c, table), do(pickup(c), s0)))
% 3.07/0.85 = { by axiom 5 (ifeq_axiom) R->L }
% 3.07/0.85 ifeq(true, true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 7 (pickup_1) R->L }
% 3.07/0.85 ifeq(ifeq(differ(c, table), true, ifeq(holds(clear(c), s0), true, ifeq(holds(empty, s0), true, holds(holding(c), do(pickup(c), s0)), true), true), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 3 (initial_state7) }
% 3.07/0.85 ifeq(ifeq(differ(c, table), true, ifeq(true, true, ifeq(holds(empty, s0), true, holds(holding(c), do(pickup(c), s0)), true), true), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 4 (differ_c_table) }
% 3.07/0.85 ifeq(ifeq(true, true, ifeq(true, true, ifeq(holds(empty, s0), true, holds(holding(c), do(pickup(c), s0)), true), true), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 5 (ifeq_axiom) }
% 3.07/0.85 ifeq(ifeq(true, true, ifeq(holds(empty, s0), true, holds(holding(c), do(pickup(c), s0)), true), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 5 (ifeq_axiom) }
% 3.07/0.85 ifeq(ifeq(holds(empty, s0), true, holds(holding(c), do(pickup(c), s0)), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 1 (initial_state8) }
% 3.07/0.85 ifeq(ifeq(true, true, holds(holding(c), do(pickup(c), s0)), true), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 5 (ifeq_axiom) }
% 3.07/0.85 ifeq(holds(holding(c), do(pickup(c), s0)), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true)
% 3.07/0.85 = { by axiom 5 (ifeq_axiom) R->L }
% 3.07/0.85 ifeq(true, true, ifeq(holds(holding(c), do(pickup(c), s0)), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true), true)
% 3.07/0.85 = { by axiom 2 (clear_table) R->L }
% 3.07/0.85 ifeq(holds(clear(table), do(pickup(c), s0)), true, ifeq(holds(holding(c), do(pickup(c), s0)), true, holds(on(c, table), do(putdown(c, table), do(pickup(c), s0))), true), true)
% 3.07/0.85 = { by axiom 6 (putdown_2) }
% 3.07/0.85 true
% 3.07/0.85 % SZS output end Proof
% 3.07/0.85
% 3.07/0.85 RESULT: Unsatisfiable (the axioms are contradictory).
%------------------------------------------------------------------------------